Manuel d'utilisation / d'entretien du produit AM700 du fabricant Tektronix
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AM700 Audio Measur ement Set 070-9001-01 Programmer Manual This document applies to firmware version 1.04 and above..
Copyright T ektronix, Inc. All rights reserved. Licensed software products are owned by T ektronix or its suppliers and are protected by United States copyright laws and international treaty provisions.
AM700 Audio Measurement Set Programmer Manual i T able of Contents Preface xxi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Content xxi . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents ii AM700 Audio Measurement Set Programmer Manual ROUT e Subsystem 1–21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INPut Subsystem 1–22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual iii CMODe Subsystem (FFT / MT ONe Analyzer) 3–45 . . . . . . . . . . . . . . . . . . . . CMODe Subsystem (SOUNd and DAUDio) 3–48 . . . . . . . . . . . . . . . . . . . . . . CMODe Subsystem (T rigger) 3–49 .
T able of Contents iv AM700 Audio Measurement Set Programmer Manual Status Questionable Registers 3–154 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Status Questionable Input Registers 3–156 . . . . . . . . . . . . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual v List of Figures Figure 1–1: AM700 Rear Panel 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1–2: GPIB Connector 1–7 . . . . . . . . . . . . . . . . . .
T able of Contents vi AM700 Audio Measurement Set Programmer Manual T able 2–1: SCPI subsystems implemented in the AM700 2–1 . . . . . . . . . T able 2–2: New command subsystems implemented in the AM700 2–2 . T able 3–1: IEEE mandated commands 3–1 .
T able of Contents AM700 Audio Measurement Set Programmer Manual vii SCPI Command List ROOT :SUBSystem:SUBSystem:COMMand 3–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AMEasure[1–4]:ST A T e 3–7 . . . . . . . . . .
T able of Contents viii AM700 Audio Measurement Set Programmer Manual AMEasure:SETTled:FREQuency:RESolution 3–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AMEasure:SETTled:FREQuency:T OLerance 3–16 . . . . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual ix AMEasure[1–5]:MODE? 3–28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AMEasure[1–5]:ST A T e 3–28 . . . . . . . . . .
T able of Contents x AM700 Audio Measurement Set Programmer Manual CMODe:FFT FFT|MT ONe 3–45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CMODe:FFT :MTONe[1|2]:A VECtor? 3–45 . . . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual xi DISPlay:WINDow98:ST A T e 3–57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DISPlay:WINDow98:ST A T e? 3–57 . . . . . . . . . .
T able of Contents xii AM700 Audio Measurement Set Programmer Manual GCONtrol:ANALog:MODE HRESolution|HBW 3–69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GCONtrol:DIGital:MODE AES|DSP 3–70 . . . . . . . . . . . . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual xiii MMEMory:COPY 3–85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MMEMemory:DA T A 3–85 . . . . . . . . . . . .
T able of Contents xiv AM700 Audio Measurement Set Programmer Manual PROGram:SELected:DEFine 3–98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PROGram:SELected:DELete:SELected 3–98 . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual xv SOURce[5|6]:DAUDio:UBIT s:MODE NULL|FILE 3–1 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOURce[5|6]:DAUDio:UBIT s:FILE:NAME 3–1 10 . . . . . . . . . . . . . .
T able of Contents xvi AM700 Audio Measurement Set Programmer Manual SOURce[1–8]:FUNCtion:SHApe TPOLarity 3–126 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOURce[1–8]:FUNCtion:SHApe USER 3–126 . . . . . . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual xvii ST A Tus:QUEue:ENABle 3–143 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST A Tus:OPERation 3–144 . . . . . . . . . . .
T able of Contents xviii AM700 Audio Measurement Set Programmer Manual ST A Tus:QUEStionable:NTRansition 3–155 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST A Tus:QUEStionable:PTRansition 3–155 . . . . . .
T able of Contents AM700 Audio Measurement Set Programmer Manual xix ST A Tus:QUEStionable:SOURce[1–8]:NTRansition 3–166 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST A Tus:QUEStionable:SOURce[1–8]:MAP 3–166 . . . . . . . . .
T able of Contents xx AM700 Audio Measurement Set Programmer Manual TRACe:DA T A:V ALue 3–180 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRACe[:DA T A]:V ALue? 3–180 . . . . . . . . .
AM700 Audio Measurement Set Programmer Manual xxi Preface This manual is for the programmer who is writing remote control programs for the AM700 Audio Measurement Set. Manual Content Getting Started provides information about the remote control capabilities of the AM700 Audio Measurement Set.
Preface xxii AM700 Audio Measurement Set Programmer Manual.
Getting Started.
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AM700 Audio Measurement Set Programmer Manual 1–1 Getting Started This section gives the GPIB and RS-232C features for remote control of the AM700. The AM700 is designed to use the GPIB port for remote control operations. The serial RS-232C port support serial printer operations.
Getting Started 1–2 AM700 Audio Measurement Set Programmer Manual Query internal data points not directly accessible to a user at the front panel. Place prompting messages on the screen and query for key presses for interactive procedures. Set up timed functions.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–3 T able 1–1: IEEE 488.1 interface functions implemented in the AM700 Function Implemented Notes Source Handshake SH1 Complete capab.
Getting Started 1–4 AM700 Audio Measurement Set Programmer Manual T able 1–2: IEEE 488.2 status reporting commands (cont.) Command Function Name *ESE? Standard Event Status Enable Query Queries the contents of the Standard Event Status Enable Register .
Getting Started AM700 Audio Measurement Set Programmer Manual 1–5 T able 1–4: Synchronization commands Command Name Function *OPC Operation Complete Command Causes the AM700 to Generate the operation complete message in the Standard Event Status Register when all pending selected device operations have been finished.
Getting Started 1–6 AM700 Audio Measurement Set Programmer Manual T able 1–5: Serial port protocol (cont.) Serial interface parameters Signal Bits 7 or 8 Stop Bits 1 or 2 Parity Odd, Even, and Non.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–7 Rear Panel I/O Connectors Figure 1–1: AM700 Rear Panel The GPIB connector (shown in Figure 1–2) provides a remote control interface to the AM700. It is a standard IEEE 488 parallel GPIB connector .
Getting Started 1–8 AM700 Audio Measurement Set Programmer Manual These two male DB-9 connectors (shown in Figure 1–3) provide the interface for RS-232C serial output as DTE ports.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–9 REMOTE Pin 1 TTL-Level Input Pins 2, 4, 6, 8 Ground Pin 3 to Pin 9 Normally Open Pin 5 to Pin 9 Normally Closed Pin 7 +5 V Output @ .
Getting Started 1–10 AM700 Audio Measurement Set Programmer Manual T able 1–6: Remote connector pins (cont.) Remote connector Pin 3 to Pin 9, Contact Closure Normally open.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–1 1 Figure 1–5: Configure system setup communicate menu Connecting Printers This topic discusses connecting an EPSON LQ, Apple LaserW riter , HP LaserJet, DeskJet, or ThinkJet, or generic ASCII printer to the AM700.
Getting Started 1–12 AM700 Audio Measurement Set Programmer Manual default values, all you need to do now is turn on the AM700 and the printer . If you have changed some factory default values, be sure the values shown in the following example are set.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–13 T able 1–8: Apple LaserW riter connections Male DB-25 connector pin number (Apple LaserWriter end) Female DB-9 connector pin numb.
Getting Started 1–14 AM700 Audio Measurement Set Programmer Manual T able 1–9: HP LaserJet cable connections Male DB-25 connector pin number (HP LaserJet end) Female DB-9 connector pin number (AM7.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–15 In this screen you may set the following copy functions: Copy output format Copy destination File name when File is the.
Getting Started 1–16 AM700 Audio Measurement Set Programmer Manual Screen dumps print when you press the Copy button. The image currently on the screen is printed. Graphic displays are printed only when the printer port is formatted for a graphics printer .
Getting Started AM700 Audio Measurement Set Programmer Manual 1–17 Figure 1–7: Hard Copy output file selector This controls the choice of the color output for PostScript and TIFF formatted files. When set to Color , printer output will be color formatted.
Getting Started 1–18 AM700 Audio Measurement Set Programmer Manual data after processing and numerical values of key features of a measurement. Examples of display numerical value are the amplitude at a frequency , the frequency at a cursor location, the THD + N, etc.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–19 ROUT e INPut SENse Select Impedance Gain/Attnuation THD Notch Select Select Select High res ADC High BW ADC Decimation Acquisition .
Getting Started 1–20 AM700 Audio Measurement Set Programmer Manual Signal Routing Input Sense High RES Front panel XLR Rear panel BNC Rear panel optical ROUT e1 ROUT e2 ROUT e3 INPut1 INPut3 INPut5 .
Getting Started AM700 Audio Measurement Set Programmer Manual 1–21 signals, the routing commands take on suffixes and channel_list numbers to provide the control needed. Figure 1–10 illustrates the selection paths available in the AM700. The ROUT e Subsystem commands are used for switching signals in the input.
Getting Started 1–22 AM700 Audio Measurement Set Programmer Manual Syntax: ROUTe[1|2|3]:CLOSE <channel_list> or ROUTe[1|2|3]:CLOSE:STATE? Only certain closures go with a given route: The accep.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–23 Range. The AM700 treats attenuation and gain as joined parameters that define the input range setting.
Getting Started 1–24 AM700 Audio Measurement Set Programmer Manual IMPedance. Another choice in the Input subsystem is the input impedance setting. The Input command in the AM700 uses suffixes to designate the input that has the impedance setting applied.
Coupled Commands: Getting Started AM700 Audio Measurement Set Programmer Manual 1–25 SENSe[5–8]:DAUDio:INTerface:BWIDth LOW|MEDium|HIGH SENSe[5–8]:DAUDio:INTerface:JGAin NORMal|HIGH CSTReam commands direct the appropriate Sense output to the measurement channels.
Getting Started 1–26 AM700 Audio Measurement Set Programmer Manual FFT Analyzer SCPI Commands. In the FFT Analyzer , the calculate blocks are separated by channels and function. Calculate1 is used for the fft zoom functions of channel 1 and is fed by the CSTReam1 feed.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–27 The FFT Analyzer application also contains the Multitone measurement calculate blocks. A special SCPI command switches the FFT Analyzer between the two functions as shown in Figure 1–12.
Getting Started 1–28 AM700 Audio Measurement Set Programmer Manual The AMEasure subsystem provide commands that set up the AM700 to perform selected measurements and to control some parameter settings of applications. The commands are application specific.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–29 traces are selected by trace name; not suffixes. T race commands are also application specific and will change with the Instrument selection. A useful query in the T race subsystem is one that returns the names of the defined traces.
Getting Started 1–30 AM700 Audio Measurement Set Programmer Manual Also found in the system commands are the ones used for setting the communica- tions parameters for RS-232 communications (baud rat.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–31 Syntax: INST:NSEL <app_number> Query: INST:NSEL? returns the number of the selected application. Syntax: INST:SEL <app_name> Query: INST:SEL? returns a short form name for the selected application.
Getting Started 1–32 AM700 Audio Measurement Set Programmer Manual AM700 File Structure. The upper level of the AM700 files comprise ROM, NVRAM, and DOS logical directories. Under those, other directories or files may exist. Certain directories are accessible by the user for storage use or information.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–33 MMEM:CDIR .. T o list the files in a directory use the MMEMemory:CATalog? query .
Getting Started 1–34 AM700 Audio Measurement Set Programmer Manual GCONtrol MODE Commands. The following commands control the generator signal source. The first sets either the high resolution generator or the high bandwidth generator for the analog signal.
Getting Started AM700 Audio Measurement Set Programmer Manual 1–35 SOURce1 SOURce2 SOURce3 SOURce5 SOURce6 SOURce7 SOURce8 SOURce9 SOURce4 Analog Generator Digital Audio Generator OUTPut1 OUTPut2 OU.
Getting Started 1–36 AM700 Audio Measurement Set Programmer Manual SOURce Subsystem Commands. Commands in the source subsystem control the signal selections from the AM700 generator . The commands are divided between those used to control the digital generator and those used to control the analog generator .
SCPI Conformance Information.
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AM700 Audio Measurement Set Programmer Manual 2–1 SCPI Conformance Information The AM700 commands are based on SCPI VERSION 1994.0. SCPI Command Subsystems Implemented in the AM700 T able 2–1: SCP.
SCPI Conformance Information 2–2 AM700 Audio Measurement Set Programmer Manual T able 2–1: SCPI subsystems implemented in the AM700 (cont.) Subsystem Use in the AM700 TRIGger Starting and stopping the sweep UNIT Selection of units for input or output of certain parameters.
SCPI Conformance Information AM700 Audio Measurement Set Programmer Manual 2–3 SCPI Background Information Reference: Standar d Command for Programmable Instruments, SCPI 1994. Instruments that conform to the 1993 SCPI standard will be able to meet the requirements of IEEE Std.
SCPI Conformance Information 2–4 AM700 Audio Measurement Set Programmer Manual The following is a list of reference documents related to standards tested by the AM700 Audio T est Set ANSI S1.4 ANSI X3.4-1977 , American National Standard Code for Information Interchange; ISO Std.
SCPI Conformance Information AM700 Audio Measurement Set Programmer Manual 2–5 IEC Recommendation 179 IEEE Micr o, V olume 8, Number 4, August, 1988, pp 62-76 ISO Std, 2955-1983 , Inform.
SCPI Conformance Information 2–6 AM700 Audio Measurement Set Programmer Manual.
AM700 SCPI Commands.
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AM700 Audio Measurement Set Programmer Manual 3–1 AM700 SCPI Commands The AM700 is a multi-function measurement tool. Many commands are specific to the needs of the measurement function in use, and, as needed, the various SCPI commands will have multiple subsets.
AM700 SCPI Commands 3–2 AM700 Audio Measurement Set Programmer Manual Required Commands The following commands are required in all SCPI instruments: T able 3–2: SCPI required commands Mnemonic Command description section (SCPI Std) Syntax and style section (SCPI Std) :SYST em :ERRor? 19.
AM700 SCPI Commands AM700 Audio Measurement Set Programmer Manual 3–3 alternative parameter values, a subset may be used. If the instrument does not support an alternative value of the complete set, it may generate an error on receipt.
AM700 SCPI Commands 3–4 AM700 Audio Measurement Set Programmer Manual Example: CALC:A VER:COUN 32 calc:aver:coun 32 calculate:average:count 32 CALCULA TE:A VERAGE:COUNT 32 Command Notation in this Manual In the listing of SCPI commands for the AM700, descriptive headings are used to divide the information into more easily identified parts.
Explanation of Example: Coupled Commands: AM700 SCPI Commands AM700 Audio Measurement Set Programmer Manual 3–5 Example: An example of the command usage is provided here. Sometimes the short form of the keywords will be used and sometimes lowercase characters are used to remind you that these forms are valid.
AM700 SCPI Commands 3–6 AM700 Audio Measurement Set Programmer Manual.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–7 AMEasure Subsystem The AMEasure subsystem provide commands that quickly set up the AM700 to perform selected measurements and to control some parameter settings of applications.
AMEasure Subsystem (Audio Analyzer) 3–8 AM700 Audio Measurement Set Programmer Manual AMEasure[1–5]:MODE <char_data> Parameters: XY|REGulation|RTDisplay Usage: Sets or queries the operation mode of the designated AME. AME[1–4] may not be set to R TD.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–9 AMEasure[1–4]:REFerence:FILE:STORe Usage: Command only . Stores the reference trace to the file name that was previously set by the AMEasure[1–4]:REFerence:FILE[:NAME] command.
AMEasure Subsystem (Audio Analyzer) 3–10 AM700 Audio Measurement Set Programmer Manual AMEasure[1–4]:XY:X:INPut <char_data> Parameters: CHANnel1|CHANnel2|ANALog1|ANALog2|DIGital1|DIGital2 Usage: Sets or queries the source of the input to the x-axis for the designated AME in XY mode.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–1 1 THDN range = 0 to 100 Units: Units of the numeric value depend on the setting of AME:REG:FUNC <char_data>.
AMEasure Subsystem (Audio Analyzer) 3–12 AM700 Audio Measurement Set Programmer Manual AMEasure[1–4]:REGulation:TARGet <numeric_data> Usage: Sets the T arget V alue for use in regulation mode. Range: 0 to 173.62 V –97.7815 to 47.0104 dBu –100 to 44.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–13 AMEasure[1–4]:REGulation:FREQuency:MODE <char_data> Parameters: LINear|LOGarithmic Usage: Sets or queries the stepping mode of the regulation test signal.
AMEasure Subsystem (Audio Analyzer) 3–14 AM700 Audio Measurement Set Programmer Manual AMEasure[1–4]:REGulation:LEVel:LOWer <numeric_value> Usage: Sets or queries the lower amplitude setting for the LEV el. Query: AME[1–4]:REG:LEV:LOW? returns the lower amplitude setting used for a regualtion mode voltage sweep for the designated AME.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–15 AMEasure:SETTled:CROSstalk:TOLerance <numeric_value> Usage: Sets or queries the settling tolerance setting of the THD measurement for the designated AME. Range: 0 to 100% Query: AME[1–4]:SETT:CROS:TOL? returns *RST: 1.
AMEasure Subsystem (Audio Analyzer) 3–16 AM700 Audio Measurement Set Programmer Manual AMEasure:SETTled:FREQuency:RESolution <numeric_value> Usage: Sets or queries the settling resolution setting of the frequency measurement for the designated AME.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–17 AMEasure:SETTled:IMD:TOLerance <numeric_value> Usage: Sets or queries the settling tolerance setting of the intermodulation distortion measurement for the designated AME.
AMEasure Subsystem (Audio Analyzer) 3–18 AM700 Audio Measurement Set Programmer Manual AMEasure:SETTled:LEVel:MINimum <numeric_value> Usage: Sets or queries the minimum amplitude of data to consider in determining if a signal is being received.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–19 AMEasure:SETTled:PDIFference:RESolution <numeric_value> Usage: Sets or queries the global settling resolution setting of the phase difference for settled data points.
AMEasure Subsystem (Audio Analyzer) 3–20 AM700 Audio Measurement Set Programmer Manual AMEasure:SETTled:SEParation:TOLerance <numeric_value> Usage: Sets or queries the global settling tolerance setting of the channel separation measurement.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–21 AMEasure:SETTled:THDN:RESolution <numeric_value> Usage: Sets or queries the settling resolution setting of the total harmonic distortion plus noise measurement.
AMEasure Subsystem (Audio Analyzer) 3–22 AM700 Audio Measurement Set Programmer Manual AMEasure[1–4]:SETTled:TYPE FLAT:EXPonential Usage: Sets or queries the settling type selected for the designated AME. Query: AME[1–4]:SETT:TYPE? returns the selected settling type for the designated AME.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–23 AMEasure[1–4]:SWEep:DIRection RISing|FALLing Usage: Sets or queries the direction of the sweep being looked for by the AM700. Query: AME[1–4]:SWE:DIR? returns RISING or F ALLING for the setting of sweep recognition for the designated AME.
AMEasure Subsystem (Audio Analyzer) 3–24 AM700 Audio Measurement Set Programmer Manual NOTE . Numeric values r eported back by the AM700 will match the units set by SCPI, but will not match the displayed values when the fr ont panel set units and the SCPI set units do not match.
AMEasure Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–25 AMEasure[1–4]:XY:X:FUNCtion <char_data> Parameters: FREQuency|LEVel Usage: Sets or queries the measurement function attached to the x-axis in XY mode.
AMEasure Subsystem (Audio Analyzer) 3–26 AM700 Audio Measurement Set Programmer Manual AMEasure[1–4]:XY:Y:FUNCtion <char_data> Parameters: FREQuency|THD|THDN|IMD|PDIFference|SEParation| CROSStalk|LDIFference|LEVel Usage: Sets or queries the measurement function attached to the y-axis of the designated AME in XY mode.
AMEasure Subsystem (FFT) AM700 Audio Measurement Set Programmer Manual 3–27 AMEasure Subsystem (FFT) FFT supports 5 separate measurements. They are: AMEasure1: FFT on channel 1 AMEasure2: FFT on cha.
AMEasure Subsystem (FFT) 3–28 AM700 Audio Measurement Set Programmer Manual AMEasure[1–5]:MODE? Usage: Queries the designated AMEasure to determine what mode it is operating in. These modes are fixed by design so that AME[1–2] always return FFT and AME[3–5] always return MTONE.
AMEasure Subsystem (FFT) AM700 Audio Measurement Set Programmer Manual 3–29 Query: AME[3–5]:MTON:FUNC? returns the selected measurement for the designated AME.
AMEasure Subsystem (Digital Interface T ester) 3–30 AM700 Audio Measurement Set Programmer Manual AMEasure Subsystem (Digital Interface T ester) The Digital Interface T ester has AMEasure command support for four separate measurements.
AMEasure Subsystem (Digital Interface T ester) AM700 Audio Measurement Set Programmer Manual 3–31 AMEasure[1–4]:STATe ON|OFF Usage: T urn the designated AMEasure for the Digital Interface T ester on or off. Query: AME[1–4]:STAT? returns 0 for off and 1 for on for the designated AMEasure.
AMEasure Subsystem (Audio Monitor) 3–32 AM700 Audio Measurement Set Programmer Manual AMEasure Subsystem (Audio Monitor) The Audio Monitor has minimal use of the AMEasure commands, only being able to turn a scope channel on or off or querying the state of the channels, on or of f.
CALCulate Subsystem (A verage) AM700 Audio Measurement Set Programmer Manual 3–33 CALCulate Subsystem (A verage) Usage: The CALCulate subsystem for A verage control the number of averages, the averaging mode, and turning averaging on and off.
CALCulate Subsystem (A verage) 3–34 AM700 Audio Measurement Set Programmer Manual Query: CALC[3|4]:AVER:TYPE? returns the current setting for the designated CALC block as MAXIMUM, MINIMUM, or EXPONENTIAL. *RST: Sets A VER:TYPE to EXPonential. CALCulate[3|4]:FEED? Usage: Query to determine the signal feed for the A VERage CALC blocks.
CALCulate Subsystem (FFT Analyzer) AM700 Audio Measurement Set Programmer Manual 3–35 CALCulate Subsystem (FFT Analyzer) Usage: This is the CALCulate Subsystem for the FFT Analyzer . The CALCulate subsystem performs post–acquisition data processing.
CALCulate Subsystem (FFT Analyzer) 3–36 AM700 Audio Measurement Set Programmer Manual Query: CALCulate[1–2]:TRANsform:FREQuency:STARt? returns the span start frequency . *RST: Sets ST ARt to 20 CALCulate[1–2]:TRANsform:FREQuency:SPAN <numeric_value> Usage: Specifies the frequency span of FFT output.
CALCulate Subsystem (FFT Analyzer) AM700 Audio Measurement Set Programmer Manual 3–37 918.468 20 1838.94 10 3677.87 5 4597.34 4 9194.68 2 18389.4 1 (Full span) AES 32 kHz 133.438 100 266.875 50 533.75 25 667.187 20 1334.38 10 2668.75 5 3335.94 4 6671.
CALCulate Subsystem (FFT Analyzer) 3–38 AM700 Audio Measurement Set Programmer Manual Resolution: Resolution = Sampling Rate / 1024 Default: Omitting the suffix number of CALC is the same as CALC1. Query: CALCulate[1–2]:TRANsform:FREQuency:CENTer? returns the CENT er frequency setting.
CALibration Subsystem AM700 Audio Measurement Set Programmer Manual 3–39 CALibration Subsystem CALibration[:ALL]? Usage: This query causes the AM700 to initiate a calibration procedure and return a numeric response that indicates the result of the calibration.
CALibration Subsystem 3–40 AM700 Audio Measurement Set Programmer Manual CALibration:OUTPut:POWer:REFerence:RESistance <numeric_value> Usage: Set the user ’ s external resistor values to use in the AM700 display of output power (dBm). Range: 0.
CMODe Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–41 CMODe Subsystem (Audio Analyzer) Usage: The CMODe:ENABle commands control the display of the real-time measure- ment readout in the Real T ime window of Audio Analyzer .
CMODe Subsystem (Audio Analyzer) 3–42 AM700 Audio Measurement Set Programmer Manual CMODe:ENABle:THD <Boolean> Usage: T urns the THD measurements on and off in the Real_T ime measurement window of Audio Analyzer .
CMODe Subsystem (Audio Analyzer) AM700 Audio Measurement Set Programmer Manual 3–43 CMODe:FILTer:TYPE[1|2] ’filter_name’ Usage: Selects the filter type used for Audio Analyzer measurements. NOTE . Parameters are case sensitive and must be entered as indicated in the parameters list in single quotation marks.
CMODe Subsystem (Audio Analyzer) 3–44 AM700 Audio Measurement Set Programmer Manual.
CMODe Subsystem (FFT/MTONe Analyzer) AM700 Audio Measurement Set Programmer Manual 3–45 CMODe Subsystem (FFT / MTONe Analyzer) Usage: Commands under CMODe:FFT are used to switch the FFT Analyzer operations between Zoom mode and Multitone measurements and to designate signal sources for the multitone signal.
CMODe Subsystem (FFT/MTONe Analyzer) 3–46 AM700 Audio Measurement Set Programmer Manual CMODe:FFT:MTONe[1|2]:NTONes? Usage: Returns the number of tones making up the designated multitone signal. CMODe:FFT:MTONe[1|2]:RLENgth? Usage: Returns the record length of the file used to create the designated multitone signal.
CMODe Subsystem (FFT/MTONe Analyzer) AM700 Audio Measurement Set Programmer Manual 3–47 Query: CMODe:FFT:MTONe[1|2]:SUFFix? returns the number of the source (generator) designated to send the multitone signal. Example: CMOD:FFT:MTON1:SUFF 5 selects digital generator channel A as the source of the multitone signal for multitone 1.
CMODe Subsystem (SOUNd and DAUDio) 3–48 AM700 Audio Measurement Set Programmer Manual CMODe Subsystem (SOUNd and DAUDio) Usage: The CMODe commands found here are used for setting the digital audio sample rate clock source and turning off Sound and selecting the Sound source.
CMODe Subsystem (TRIGger) AM700 Audio Measurement Set Programmer Manual 3–49 CMODe Subsystem (T rigger) The CMODe commands found here are used to control the T rigger modes of the Audio Monitor . CMODe:TRIGger:LEVel <numeric_value> Usage: Sets the trigger level for the Audio Monitor trigger system.
CMODe Subsystem (TRIGger) 3–50 AM700 Audio Measurement Set Programmer Manual CMODe:TRIGger:SLOPe RISing|FALLing Usage: Selects either the rising or the falling edge of the selected trigger signal as the triggering edge when the Audio Monitor trigger system is enabled.
CSTReam Subsystem AM700 Audio Measurement Set Programmer Manual 3–51 CSTReam Subsystem Usage: CSTReam is used to select the two inputs to the measurement applications.
CSTReam Subsystem 3–52 AM700 Audio Measurement Set Programmer Manual Default: Omitting the suffix on CSTReam is the same as CSTReam1 . Query: CSTR[1|2]:FEED? returns the data feed for the designated CSTReam.
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–53 DISPlay Subsystem The DISPlay Subsystem controls the selection and presentation of text, graphs, and TRACe information. DISPlay does not modify the way in which data is output to a controller .
DISPlay Subsystem 3–54 AM700 Audio Measurement Set Programmer Manual DISPlay:MENU:CLEar[:IMMediate] Usage: Command only . Clears menus, dialog boxes, and notifiers from the display .
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–55 DISPlay:WINDow98:DISMiss:[ALL] Usage: T urns off all notifier windows that occur in the display to show a warning or provide some item of information about some event. Query: No query for this command.
DISPlay Subsystem 3–56 AM700 Audio Measurement Set Programmer Manual DISPlay[:WINDow[1-n|60|98|99]][:STATe] <Boolean> Usage: Controls whether WINDow(n) is visible or not. The command DISPlay ON|OFF refers to this node. Multiple instances of WINDow may exist under a particular DISPlay .
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–57 DISPlay:WINDow98:STATe <Boolean> Usage: Sets or queries the state of the notifier box display . Query: DISP:WIND98:STAT? returns 0 or 1 for OFF or ON. *RST: T urns off the notifier display .
DISPlay Subsystem 3–58 AM700 Audio Measurement Set Programmer Manual DISPlay:WINDow99:TEXT:CLEar Usage: Clears text from the dialog box, WINDow99. DISPlay[:WINDow[1–4]]:Y[:AXIS]:DUAL <Boolean> Usage: Sets or queries the state of the dual-trace display of traces.
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–59 DISPlay[:WINDow[1–4]]:TRACe[1|2]:STYle:CSTatus:FORMat <char_data> Usage: Used to set or query the format of the Digital Interface T ester Channel Status display . Either option for TRACe may be used, or it may be omitted.
DISPlay Subsystem 3–60 AM700 Audio Measurement Set Programmer Manual DISPlay[:WINDow[1–4]]:TRACe[1|2]:STYle:CSTatus:SUBFrame A|B|BOTH Usage: Sets the Digital Interface T ester Bit Activity display to show either A or B subframes or both. Either option for TRACe may be used, or it may be omitted.
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–61 DISPlay:WINDow:TRAce[:X]:AXIS:UNIT <unit_type> Usage: Used to set the units of the traces’ x-axes. Example: DISP:WIND:TRAC:X:AXIS:UNIT khz or DISP:WIND:TRAC:AXIS:UNIT khz sets the x-axes units to kilohertz.
DISPlay Subsystem 3–62 AM700 Audio Measurement Set Programmer Manual Example: DISP:WIND5:TRAC2:AXIS:UNIT dbm sets the Ch 1 Level units in the real-time analyzer to dbm.
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–63 DISPlay[:WINDow[1–4]]:TRACe[1|2]:X[:SCALe]:AUTO ONCE Usage: This command scales the X-axis TRACe[1|2] to display the full trace horizontally once for each time this command is used.
DISPlay Subsystem 3–64 AM700 Audio Measurement Set Programmer Manual DISPlay[:WINDow[1–4]]:TRACe[1|2]:X[:SCALe]:RIGHt <numeric_value> Usage: Sets or queries the value represented by the maximum (right) edge of the x-axis. This value may be bounded by a range of data.
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–65 DISPlay:WINDow[5|16]:TRACe[1–16]:Y:AXIS:UNIT <unit_type> Usage: Used to set the y-axis units of the specified trace in the anayzer real-time measurement traces (WIND5) or the generator (WIND60).
DISPlay Subsystem 3–66 AM700 Audio Measurement Set Programmer Manual DISPlay[:WINDow[1–4]]:TRACe[1|2]:Y[:SCALe]:TOP <numeric_value> Usage: Sets or queries the value represented by the top edge of the display . The value may be bounded by the range of data.
DISPlay Subsystem AM700 Audio Measurement Set Programmer Manual 3–67 :TRACe[1|2]:STYle:CSTatus commands) Eye Diagram EYED Jitter Interpolator , Bar Graph, and Spectrogram Parameters: INT erpolator Plot of fft data points with interpolated data for a continuous live trace.
FORMat Subsystem 3–68 AM700 Audio Measurement Set Programmer Manual FORMat Subsystem Default units are defined, where applicable, for each SCPI command. The UNIT subsystem provides a mechanism to change the default values. The units selected apply to the designated command parameters for both command and response.
GCONtrol Subsystem AM700 Audio Measurement Set Programmer Manual 3–69 GCONtrol Subsystem GCONtrol is the root command for controlling the AM700 audio signal generator . Selection of the generator modes and controlling the output states is done using the special commands of the GCONtrol subsystem.
GCONtrol Subsystem 3–70 AM700 Audio Measurement Set Programmer Manual Example: gcon:anal:mode hres sets the Analog generator to high resolution mode. Query: GCON:ANAL:MODE? returns the selected generator, HRES or HBW AN. *RST: Sets the analog mode to high resolution, HRES.
HCOPy Subsystem AM700 Audio Measurement Set Programmer Manual 3–71 HCOPy Subsystem The AM700 support for hardcopy is non-standard to the 1994 SCPI manual for hardcopy , but it more closely tracks the way this feature has been previously implemented.
HCOPy Subsystem 3–72 AM700 Audio Measurement Set Programmer Manual HCOPy[:IMMediate] Usage: Causes the currently visible screen to be printed to the currently-selected hardcopy device, using the currently-selected hardcopy format. Query: Event only , no query .
HCOPy Subsystem AM700 Audio Measurement Set Programmer Manual 3–73 Query: hcop:dest? returns the current setting for the hardcopy destination. Default: The power up default is SYST :COMM:SER (serial port 1). *RST: Sets the copy destination to an empty string.
HCOPy Subsystem 3–74 AM700 Audio Measurement Set Programmer Manual ELQuality Epson Letter Quality . Good for various Epson LQ and compatible printers. TIFF T agged Image File Format. This is a bit-mapped image that may be output in color , depending on the setting of HCOP:DEV :COL.
INPut Subsystem AM700 Audio Measurement Set Programmer Manual 3–75 INPut Subsystem The commands under the INPut subsystem are used to select the INPut signal source and set the input impedance and range of the analog inputs, A and B. As indicated in the commands, not all INPut suffixes are available for all the commands.
INPut Subsystem 3–76 AM700 Audio Measurement Set Programmer Manual Resolution: 6 dBu steps. Error: Entering a <numeric_value> that is not at one of the range step values causes the range setting to go to the next higher valid range step. No error is generated.
INST rument Subsystem AM700 Audio Measurement Set Programmer Manual 3–77 INST rument Subsystem W ithin the AM700 thare are multiple logical instruments. The INST rument subsystem commands provide the controls and queries needed to switch instruments and the find out what the name, number , or short form name.
INST rument Subsystem 3–78 AM700 Audio Measurement Set Programmer Manual INSTrument:LSELect:USER <descriptive_name> Usage: Selects an instrument (application) to run on the User button by long descriptive name. The string data returned by INST:LCAT? provides the long descriptive names for the applications.
INST rument Subsystem AM700 Audio Measurement Set Programmer Manual 3–79 Parameters: NSEL? SEL? LSEL? 1 FFT ”FFT Analyzer” 2 Analyzer ”Audio Analyzer” 3 Monitor ”Audio Monitor” 4 Digital.
INST rument Subsystem 3–80 AM700 Audio Measurement Set Programmer Manual Digital Digital Interface T ester Diagnostics Diagnostics PanelCal T ouch Panel Calibration Example: inst:sel analyzer selects the Audio Analyzer application to run. Query: INSTrument:SELect? returns the short name for the selected application.
MMEMory Subsystem AM700 Audio Measurement Set Programmer Manual 3–81 MMEMory Subsystem The Mass Memory subsystem behavior in the AM700 is very similar to to the documented SCPI behavior . One major divergence form standard SCPI is the absence of msus (mass storage unit specifier) support in the AM700.
MMEMory Subsystem 3–82 AM700 Audio Measurement Set Programmer Manual The upper level of the AM700 files comprise ROM, NVRAM, and DOS logical directories. Under those, other directories or files may exist. Certain directories are accessible by the user for storage use or information.
MMEMory Subsystem AM700 Audio Measurement Set Programmer Manual 3–83 MMEMory:CATalog? Usage: The CA T alog command is query-only and returns information on the current contents and state of the current working directory .
MMEMory Subsystem 3–84 AM700 Audio Measurement Set Programmer Manual MMEMory:CDIRectory ' [device:/]directory_name ' Usage: Changes the working directory in the file system. The <directory_name> parameter is a string. The contents of the <directory_name> parameter are dependent on the file system being accessed.
Explanation of Example: MMEMory Subsystem AM700 Audio Measurement Set Programmer Manual 3–85 MMEMory:CLOSe Usage: Closes the file specified in MMEMory:NAME .
Explanation of Example: MMEMory Subsystem 3–86 AM700 Audio Measurement Set Programmer Manual Query: MMEM:DATA? <filename> returns the contents of the file in definite length block data format. Again if the <filename> is a path string, single quotes must be used around the filename string.
MMEMory Subsystem AM700 Audio Measurement Set Programmer Manual 3–87 New data arriving from <data_handle> overwrites the contents of the specified file.
Explanation of Example: MMEMory Subsystem 3–88 AM700 Audio Measurement Set Programmer Manual Error: Attempting to open a file that is already open causes a “File name error” (–256) to be generated.
OUTPut Subsystem AM700 Audio Measurement Set Programmer Manual 3–89 OUTPut Subsystem Usage: The majority of the OUTPut command control the digital audio generator; two are used to set the analog generator output impedance and select whether the common is floating or referenced to ground.
OUTPut Subsystem 3–90 AM700 Audio Measurement Set Programmer Manual Parameters: frequency from 30 kHz to 52 kHz, with a resolution of 0.001 Hz. Range: 30,000 to 52,000 Resolution: 0.001 Hz Units: Hz Query: OUTP3:DAUD:INT:CLOC:VFR? returns the variable clock frequency setting.
OUTPut Subsystem AM700 Audio Measurement Set Programmer Manual 3–91 OUTPut3:DAUDio:INTerface:VOLTage:BALanced <numeric_value> Usage: Sets the voltage output level at the balanced connectors. The balanced to unbalanced ratio is always 5:1 so the balanced and unbalanced output levels are not independently settable.
OUTPut Subsystem 3–92 AM700 Audio Measurement Set Programmer Manual OUTPut:COMMon FLOat|GROund Usage: Selects whether the analog outputs are floating (with no ground reference) or referenced to ground. Query: OUTP:COMM? returns “FLOA T” or “GROUND”.
PROGram Subsystem AM700 Audio Measurement Set Programmer Manual 3–93 PROGram Subsystem These SCPI commands are for the PROGram subsystem as implemented in the AM700 for the selection and running of functions. These commands provide features needed to generate and control one or more user-programmed tasks in the AM700.
PROGram Subsystem 3–94 AM700 Audio Measurement Set Programmer Manual PROGram:CATalog? Usage: This is a query only command that lists all the programs stored in the function directories of both nvram: and rom:. If there are functions of the same name in both directories, only one will be shown.
PROGram Subsystem AM700 Audio Measurement Set Programmer Manual 3–95 T o download and overwrite an existing function file of the same name, the first file must be deleted. Program names entered as character data are not case sensitive and are reported back as all capitalized characters.
PROGram Subsystem 3–96 AM700 Audio Measurement Set Programmer Manual PROGram:EXPLicit:STATe <progname>,RUN|STOP Usage: The explicitly named function is started by setting state to RUN. If the state is already RUN, a second run of the same function is started.
PROGram Subsystem AM700 Audio Measurement Set Programmer Manual 3–97 PROGram:EXPLicit:TIMed:CLEar <progname> Usage: Remove all the cron_strings for the function explicitly named by ‘<progname>’ .
PROGram Subsystem 3–98 AM700 Audio Measurement Set Programmer Manual PROGram:SELected:DEFine <prog_data> Usage: Creates and downloads programs to the selected progname. The <prog_data> must be in definite length arbitrary block data format for down loading to the AM700.
PROGram Subsystem AM700 Audio Measurement Set Programmer Manual 3–99 PROGram:SELected:LNAME? Usage: Query only that returns a full pathname that may be used with the MMEMory subsystem or in T cl scripts. The returned long name is string data. Example: PROG:SEL:LNAME? returns the full pathname to the selected <progname> .
PROGram Subsystem 3–100 AM700 Audio Measurement Set Programmer Manual PROGram:SELected:STATe RUN|STOP Usage: The selected function is started by setting state to RUN. If the state is already RUN, a second run of the function is started. When set to STOP , all instances started through this interface or the Function user interface will be stopped.
PROGram Subsystem AM700 Audio Measurement Set Programmer Manual 3–101 PROGram:SELected:USER:SET Usage: Command only . Assigns the selected function to the function user button. PROGram:SELected:USER:STATe <nr1> Usage: An nr1 argument of 1 assigns the selected function to the user button.
ROUT e Subsystem 3–102 AM700 Audio Measurement Set Programmer Manual ROUT e Subsystem Signal routing is the block where the user has access to actual signals. ROUTe[1–3]:CLOSe <numeric_value> Usage: Sets the route setting. If all the specified channels cannot be closed, an execution error is reported.
ROUT e Subsystem AM700 Audio Measurement Set Programmer Manual 3–103 Y ou must use a valid channel number (see Parameters) for the designated route to get a return. When the query is correctly stated, the command returns 0 for open and 1 for closed.
SENSe Subsystem 3–104 AM700 Audio Measurement Set Programmer Manual SENSe Subsystem The SENSe setup commands are used to control some parameters of the digital audio measurement function, and to query measurements made on the digital interface. Commands in this subsystem are used to control the acquisition methods of the AM700.
SENSe Subsystem AM700 Audio Measurement Set Programmer Manual 3–105 Parameters: MED for 120 Hz HIGH for 1200 Hz The LF REJ filter is always engaged for SENSe1 1. *RST: MED SENSe11:DAUDio:INTerface:JGAin NORMal|HIGH Usage: Set or query the gain used in the eye/jitter detection circuitry .
SENSe Subsystem 3–106 AM700 Audio Measurement Set Programmer Manual NOTE . This value is only updated when measur ements ar e being made on the digital input. This usually means that the digital generator must be in AES mode and CSTReam1 or CSTREAM2 is fed with SENSE5 or SENSe6.
SENSe Subsystem AM700 Audio Measurement Set Programmer Manual 3–107 SENSe5:DAUDio:INTerface:VOLTage:AC? Usage: Query only . Used to determine the peak-to-peak voltage of the digital main input signal. Query: SENS5:DAUD:INT:VOLT:AC? Query only . returns the voltage of the digital main input in volts peak-to-peak.
SOURce:DAUDio Subsystem 3–108 AM700 Audio Measurement Set Programmer Manual SOURce:DAUDio Subsystem SOURce is the root command in the SOURce Subsystem for the AM700.
SOURce:DAUDio Subsystem AM700 Audio Measurement Set Programmer Manual 3–109 SOURce[5|6]:DAUDio:AUDio:WSIZe <numeric_value> Usage: Selects the word size used for the digital audio signal from the generator . Parameters: 8 to 24 Current software in the AM700 forces both channels on a digital interface to have the same word length.
SOURce:DAUDio Subsystem 3–1 10 AM700 Audio Measurement Set Programmer Manual SOURce[5|6]:DAUDio:CSTatus:FILE:NAME <filename> Usage: Designates the filename to be used for setting user bits when the :CSTatus:MODE command is set to FILE. Query: SOUR[5|6]:DAUD:CST:FILE:NAME? returns the file name without the path.
SOURce:DAUDio Subsystem AM700 Audio Measurement Set Programmer Manual 3–1 1 1 SOURce[5|6]:DAUDio:UBITs:FILE:LNAME <filename> Usage: Designates the filename with will path to be used for setting user bits when the :UBITs:MODE command is set to FILE.
SOURce:FOLLow Subsystem 3–1 12 AM700 Audio Measurement Set Programmer Manual SOURce:FOLLow Subsystem SOURce[1–8]:FOLLow[:STATe] <Boolean> Usage: T urns follow mode on or off for a designated source channel. Parameters: Boolean – ON|OFF or 1|0.
SOURce:FREQuency Subsystem AM700 Audio Measurement Set Programmer Manual 3–1 13 SOURce:FREQuency Subsystem SOURce[1–8]:FREQuency <numeric_value> Usage: Sets the sine–wave frequency of the designated source. This frequency setting is used as the fixed signal frequency when generating a sine–wave.
Coupled Commands: SOURce:FREQuency Subsystem 3–1 14 AM700 Audio Measurement Set Programmer Manual Query: SOUR[1–8]:FREQ:MODE? returns the operating mode of a designated SOURce as CW or FIXED for non–sweeping, SWEEP for a frequency sweep, or LIST for generating signals from a list of frequencies.
SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–1 15 SOURce:FUNCtion Subsystem Usage: The FUNCtion subsystem controls the shape and attributes of the output signal of the AM700 internal signal generator .
Coupled Commands: SOURce:FUNCtion Subsystem 3–1 16 AM700 Audio Measurement Set Programmer Manual SOURce[1–8]:FUNCtion:SHAPe <signal_name> Default: The last selected signal type is generated unless the AM700 has been reset. The reset default is a sinusoidal CW signal of 1 kHz at 0 dBu.
Coupled Commands: SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–1 17 SOURce[5–6]:FUNCtion:SHAPe JSINe Usage: Used to apply jitter to the digital interface signal from the A and B digital generators (suffix SOURce5 and SOURce6 respectively).
SOURce:FUNCtion Subsystem 3–1 18 AM700 Audio Measurement Set Programmer Manual Resolution: 0.01 Units: UIpp (peak-to-peak unit intervals) SOURce[1–8]:FUNCtion:SHAPe TBURst Usage: This command generates a sine-wave burst with variable amplitude, frequency , and on and off times.
SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–1 19 Example: sour:volt 4 sour:freq 3000 sour:burs:per 5 sour:burs:wid 5e–1 SOURce:TBURst:PERiod <numeric_value> Usage: PERiod is an integer containing the number of cycles until burst repeats (i.
Coupled Commands: SOURce:FUNCtion Subsystem 3–120 AM700 Audio Measurement Set Programmer Manual *RST: 64 SOURce[1–8]:FUNCtion:SHAPe SIMD Usage: Generates a two-tone intermodulation signal with one tone variable in frequency . The IM frequency is 60 Hz for SMPTE.
SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–121 Example: SOUR1:VOLT:LEV 3;:SOUR1:SIMD:FREQ 7000;:SOUR1:FUNC:SHAP SIMD;:SOUR1:SIMD:RAT 3;:SOUR1:SIMD:VFR 100 *RST: Amplitude Ratio 4.0 V ariable Frequency 7000 Hz Amplitude 0.
SOURce:FUNCtion Subsystem 3–122 AM700 Audio Measurement Set Programmer Manual Range: 40 to 500 Hz Resolution: 1 Hz Query: SOURce:SIMD:IMFRequency? *RST: 60 SOURce:SIMD:RATio <numeric_value> Usage: Sets the amplitude ratio between the two frequencies of the SIMD signal.
Coupled Commands: SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–123 Units: Frequency Hz Amplitude V olts Spacing Hz Ratio None Resolution: Center Frequency 0.
Coupled Commands: SOURce:FUNCtion Subsystem 3–124 AM700 Audio Measurement Set Programmer Manual SOURce:CIMD:RATio <numeric_value> Usage: Set amplitude ratio of one frequency to the other in the CIMD signal. This is nomally 1:1. Query: SOURce:CIMD:RATio? returns the ratio of the amplitudes of the two frequencies of the CIMD signal.
Coupled Commands: Coupled Commands: SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–125 Units: Start Frequency Hz Stop Frequency Hz Resolution: Frequency 0.34 Hz (high res.), 1 1.7 Hz (high BW) Start Frequency 0.34 Hz (high res.
SOURce:FUNCtion Subsystem 3–126 AM700 Audio Measurement Set Programmer Manual Example: SOUR1:FUNC:SHA POL;SOUR1:VOLT:LEV 12;:SOUR1:FREQ:CW 2000 The generator AMPLITUDE knob controls the test signal amplitude ( SOURce:VOLTage ) and the FREQUENCY knob control the signal frequency ( SOURce:FREQuency:CW ).
Coupled Commands: SOURce:FUNCtion Subsystem AM700 Audio Measurement Set Programmer Manual 3–127 Units: Amplitude V olts Peak Frequency Hz Record Length Bytes Resolution: T ones Frequency (Sampling r.
SOURce:LIST Subsystem 3–128 AM700 Audio Measurement Set Programmer Manual SOURce:LIST Subsystem Usage: Commands in the SOURce:LIST subsystem permit defining voltage and frequency points and dwell time per point to be used for generating a signal from a LIST .
SOURce:LIST Subsystem AM700 Audio Measurement Set Programmer Manual 3–129 SOURce[1–8]:LIST:DWELl <time1{,time2,...time128}> Usage: Sets the dwell times for each point in a list, up to 128 points, for the designated source.
SOURce:LIST Subsystem 3–130 AM700 Audio Measurement Set Programmer Manual Example: SOUR1:LIST:VOLT 0.025,0.050,0.075,1.0,1.025,2.0,3.0,2.5,1,5,0.5 Query: SOUR[1–8]:LIST:VOLT? returns a comma separated list of the point voltages. *RST: Sets the level to 2.
SOURce:MT ONe Subsystem AM700 Audio Measurement Set Programmer Manual 3–131 SOURce:MTONe Subsystem SOURce[1–8]:MTONe:MODE LIST|FILE Usage: Designates whether the multitone signal from a designated source is generated using the list or a user file.
SOURce:ST A T e Subsystem 3–132 AM700 Audio Measurement Set Programmer Manual SOURce:ST A T e Subsystem SOURce[1–8]:STATe <Boolean> Usage: Enables individual sources. When a source is off, its output is silence. This is not the same as GCON:ST A T ON|OFF .
SOURce:SWEep Subsystem AM700 Audio Measurement Set Programmer Manual 3–133 SOURce:SWEep Subsystem SOURce[1–8]:SWEep:COUNt <numeric_value> Usage: Sets or queries the number of sweeps that are enabled by a single trigger event for the designated SOUR.
SOURce:SWEep Subsystem 3–134 AM700 Audio Measurement Set Programmer Manual SOURce[1–8]:SWEep:DWELl <numeric_value> Usage: Sets the dwell time for points in a sweep for the designated source. Note that dwell cannot exceed TIME/POINts. T rying to set it to a greater value causes an error .
SOURce:SWEep Subsystem AM700 Audio Measurement Set Programmer Manual 3–135 Query: SOURce[1–8]:SWEep:SPACing? returns LINEAR or LOGARITHMIC for the spacing setting of the designated SOURce. *RST: Sets spacing to LOGarithmic. SOURce[1–8]:SWEep:TIME <numeric_value> Usage: Sets the sweep time duration.
SOURce:USER Subsystem 3–136 AM700 Audio Measurement Set Programmer Manual SOURce:USER Subsystem SOURce[1–8]:USER:DATA:SCALing[:STATe] <Boolean> Usage: T urns scaling of the user data on or off. ON causes the user data to be scaled; OFF uses the user data as is for amplitude.
SOURce:USER Subsystem AM700 Audio Measurement Set Programmer Manual 3–137 SOURce[1–8]:USER:DATA:FILE:LNAME? Usage: Query only that returns the complete path name to the user data file named by SOUR[1–8]:USER:DATA:FILE:NAME <file_name> for the designated source.
SOURce:VOL T age Subsystem 3–138 AM700 Audio Measurement Set Programmer Manual SOURce:VOL T age Subsystem Usage: The SOURce setup commands are divided into several sections. Each section or subsystem deals with a specific grouping of controls that affect dif ferent aspects of the AM700 SOURce commands.
SOURce:VOL T age Subsystem AM700 Audio Measurement Set Programmer Manual 3–139 SOURce[1–8]:VOLTage:STOP <numeric_value> Usage: Sets the stopping voltage for a voltage sweep. Query: SOURce:VOLTAGE:STOP? returns the maximum level of a voltage sweep for the designated SOURce.
ST A Tus Subsystem 3–140 AM700 Audio Measurement Set Programmer Manual ST A T us Subsystem The ST A Tus subsystem controls the status-reporting registers of the AM700.
ST A Tus Subsystem AM700 Audio Measurement Set Programmer Manual 3–141 A portion of the register structure is illustrated in Figure 3–1. The example shows the bit progression through the registers when the W aiting for Multitone 1 bit changes from a 0 to a 1 state to show that multitone 1 was detected.
ST A Tus Subsystem 3–142 AM700 Audio Measurement Set Programmer Manual 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CAL Sweep Trig Syst Inst Sum Prog Run Bit Result ST A T :OPER:EVENT? Mask Mask Result Mas.
ST A Tus Subsystem AM700 Audio Measurement Set Programmer Manual 3–143 STATus:PRESet Usage: Configure the SCPI and device-dependent status data registers so that device-dependent events are reported at a higher level through the mandatory part of the status-reporting system.
ST A Tus Subsystem 3–144 AM700 Audio Measurement Set Programmer Manual The following commands can be applied to all SCPI status registers by prefixing the command with the node(s) that represent the particular register to be controlled.
ST A Tus Subsystem AM700 Audio Measurement Set Programmer Manual 3–145 STATus:OPERation[:EVENt]? Usage: Returns the content of the OPERation:EVENt register . Reading the register clears it. Query: Query only . STATus:OPERation:CONDition? Usage: Returns the contents of the OPERation:CONDition register .
ST A Tus Subsystem 3–146 AM700 Audio Measurement Set Programmer Manual STATus:OPERation:NTRansition <NRf> Usage: Sets the negative transition filter .
ST A Tus:OPERation:INST rument Registers AM700 Audio Measurement Set Programmer Manual 3–147 ST A T us:OPERation:INST rument Registers The following status register commands for OPERation:INST rument registers follow the same format as the ST A T :OPER registers just defined.
ST A Tus:OPERation:INST rument Registers 3–148 AM700 Audio Measurement Set Programmer Manual STATus:OPERation:INSTrument[:EVENt]? Usage: Returns the content of the OPERation:INST rument:EVENt register . Reading the register clears it. Query: Query only .
ST A Tus:OPERation:INST rument Registers AM700 Audio Measurement Set Programmer Manual 3–149 Parameters: The parameter may be a decimal number , or it may be sent as a non-decimal numeric mask.
ST A Tus:OPERation:TRIGger Registers 3–150 AM700 Audio Measurement Set Programmer Manual ST A T us:OPERation:TRIGger Registers The following status register commands for ST A Tus:OPERation:TRIGger registers follow the same format as the ST A T :OPER registers.
ST A Tus:OPERation:TRIGger Registers AM700 Audio Measurement Set Programmer Manual 3–151 T able 3–9: TRIGger subsystem layer-change events Condition definition Condition number Summary bits or action Save selected state 1200 Causes the current state to be saved.
ST A Tus:OPERation:SYST em Registers 3–152 AM700 Audio Measurement Set Programmer Manual ST A T us:OPERation:SYST em Registers STATus:OPERation T able 3–10: ST A T us:OPERation Condition definitio.
ST A Tus:OPERation:SYST em Registers AM700 Audio Measurement Set Programmer Manual 3–153 T able 3–1 1: System conditions (cont.) Condition Definition Summary bits Condition Number Keyboard Present.
Status Questionable Registers 3–154 AM700 Audio Measurement Set Programmer Manual Status Questionable Registers STATus:QUEStionable? T able 3–12: ST A T us:QUEStionable Condition definition Condition number Status T emperature 201 T oo hot – set when over temperature is sensed.
Status Questionable Registers AM700 Audio Measurement Set Programmer Manual 3–155 STATus:QUEStionable[:EVENt]? STATus:QUEStionable:CONDition? STATus:QUEStionable:ENAble <numeric_value> STATus:.
Status Questionable Input Registers 3–156 AM700 Audio Measurement Set Programmer Manual Status Questionable Input Registers T able 3–13: ST A T us:QUEStionable:INPut:SUMmary Condition Definition C.
Status Questionable Input Registers AM700 Audio Measurement Set Programmer Manual 3–157 STATus:QUEStionable:INPut The status bits are the following: Status Bit: 1 – Input protected 2 – Input cli.
Status Questionable Input Summary Registers 3–158 AM700 Audio Measurement Set Programmer Manual Status Questionable Input Summary Registers Parameters: INPut1 Analog A INPut3 Analog B INPut5 Digital.
ST A Tus:QUEStionable Registers Conditions AM700 Audio Measurement Set Programmer Manual 3–159 ST A T us:QUEStionable Registers Conditions STATus:QUEStionable Define: ST A T QUES TEMP 201 Usage: T oo hot.
Source Summary 3–160 AM700 Audio Measurement Set Programmer Manual SOURce Summary Parameters: ST A T QUES SOUR 204 Usage: Summary of ST A T QUES SOUR SUMM *.
INST rument Conditions AM700 Audio Measurement Set Programmer Manual 3–161 INST rument Conditions T able 3–15: INST rument conditions Condition Definition Condition Number Summary bits Freeze acti.
INST rument Conditions 3–162 AM700 Audio Measurement Set Programmer Manual T able 3–16: INPut conditions (cont.) Condition definition Summary bits Condition number Input 10 Unlocked 617 Used by di.
User Modifiable Conditions and Events AM700 Audio Measurement Set Programmer Manual 3–163 User Modifiable Conditions and Events T able 3–17: User modifiable conditions Condition Definition Conditi.
User Modifiable Conditions and Events 3–164 AM700 Audio Measurement Set Programmer Manual T able 3–18: User modifiable events (cont.) Event Definition Summary bits or action Condition Number User .
Status Questionable Instrument Registers AM700 Audio Measurement Set Programmer Manual 3–165 Status Questionable Instrument Registers STATus:QUEStionable:INSTrument[:EVENt]? STATus:QUEStionable:INST.
Status Questionable Source Registers 3–166 AM700 Audio Measurement Set Programmer Manual Status Questionable Source Registers Suffixes: SOURce1 Analog generator HR A SOURce2 Analog generator HR B SO.
Status Questionable Source Summary Registers AM700 Audio Measurement Set Programmer Manual 3–167 Status Questionable Source Summary Registers Suffixes: SOURce1 Analog generator HR A SOURce2 Analog g.
SYST em Subsystem 3–168 AM700 Audio Measurement Set Programmer Manual SYST em Subsystem Usage: Commands under the COMMunicate node are used to set the communication parameters for the GPIB and RS232 interfaces and the remote connector .
SYST em Subsystem AM700 Audio Measurement Set Programmer Manual 3–169 GPIB port and it does not reply to controller commands. Off bus ceases remote communication between the AM700 and any other device on the bus. Query: SYST:COMM:GPIB[:SELF]:MODE? returns the current setting for the GPIB mode TLISTEN if it is in the TLISten mode.
SYST em Subsystem 3–170 AM700 Audio Measurement Set Programmer Manual Query: SYST:COMM:SER[1–2]:BITS? returns the stop bits setting, 1 or 2, for the designated serial port. *RST: 8 SYSTem:COMMunicate:SERial[1–2]:CONTrol:RTS ON|RFR|IBFull Usage: Sets or queries the selection for hardware handshaking of the data.
SYST em Subsystem AM700 Audio Measurement Set Programmer Manual 3–171 SYSTem:COMMunicate:SERial[1–2]:PACe XON|NONE Usage: Used to select either software data handshaking (XON/XOFF) or NONE.
SYST em Subsystem 3–172 AM700 Audio Measurement Set Programmer Manual <month> Must be <numeric_value>. The month number value is rounded to the nearest integer from 1 to 12 inclusive. The numbers have the common correspondence to months: example 1 is January and 12 is December , etc.
SYST em Subsystem AM700 Audio Measurement Set Programmer Manual 3–173 SYSTem:KLOCk [0|1] Usage: SYST:KLOC 1 locks out the local keyboard inputs. When local lockout is activated, the “focus” button at the top right of the display changes to say “Remote (Unlock)”.
SYST em Subsystem 3–174 AM700 Audio Measurement Set Programmer Manual <seconds> Must be a <numeric_value> The second value is rounded to the nearest second in the range of 0 to 60. A number of 60 is allowed since rounding may cause a number greater than 59.
TRACe Subsystem AM700 Audio Measurement Set Programmer Manual 3–175 TRACe Subsystem A TRACe area is a named entity stored in instument memory . The content of the TRACe memory may be queried to output the trace data. The Audio Analyzer reference traces may now be assigned to, using the commands detailed below .
TRACe Subsystem 3–176 AM700 Audio Measurement Set Programmer Manual DIT_BAH_Z Bit Activity Z Subframe (not viewed) DIT_JSPECT Jitter Spectrum T race Data FFT Analyzer T race Data FFTMAG_1 FFT bin da.
TRACe Subsystem AM700 Audio Measurement Set Programmer Manual 3–177 THDN1 THD + Noise on CH1 THDN2 THD + Noise on CH2 WOW1 W ow and Flutter on CH1 WOW2 W ow and Flutter on CH2 Each of the real time traces have corresponding REF traces (for example FREQ1_REF or THDN2_REF) that can be set.
TRACe Subsystem 3–178 AM700 Audio Measurement Set Programmer Manual The units of the returned data pairs depend on the measurement setup in the view . The possible choices are: Frequency , Level, THD, THD+N, IMD, Phase Diff, Separation, Crosstalk + Noise, and Level Dif ference versus either Frequency or Level.
TRACe Subsystem AM700 Audio Measurement Set Programmer Manual 3–179 TRACe:DATA <trace_name>,[X,Y]{,X,Y} Usage: TRAC:DA T A can be used to assign new values to the measurement trace and available reference traces. Previous trace values are discarded.
TRACe Subsystem 3–180 AM700 Audio Measurement Set Programmer Manual the Audio Analyzer traces and the multitone traces. The fft trace queries return the amplitude of the data, in dBu, in each bin only for each of the bins and the monitor traces return the amplitude of the data points.
TRIGger Subsystem AM700 Audio Measurement Set Programmer Manual 3–181 TRiGger Subsystem The trigger subsystem in the AM700 contains commands only to start and stop a sweep.
UNIT Subsystem 3–182 AM700 Audio Measurement Set Programmer Manual UNIT Subsystem Default units are defined, where applicable, for each SCPI command.
UNIT Subsystem AM700 Audio Measurement Set Programmer Manual 3–183 UNIT:IMPedance [Ohm|kOhm] Usage: Sets or queries the unit associated with an IMPedance query reply or command entry . Query: unit:imp? returns the current IMPedence unit setting as Ohm or kOhm.
UNIT Subsystem 3–184 AM700 Audio Measurement Set Programmer Manual dBv is a voltage ratio between the measured voltage and 1 V . dBFS is a voltage ratio between the measured voltage and the full scale voltage calibration factor CAL:VOLT:FS . It is primarily intended for digital levels.
Examples.
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AM700 Audio Measurement Set Programmer Manual 4–1 Examples The example given here is based on writing a function. Functions can be learned through the front panel, but they may also be written externally to the AM700 Audio Measurement Set loaded when needed.
Examples 4–2 AM700 Audio Measurement Set Programmer Manual The T cl parser looks first to see if it is a T cl command that it knows about; if so, it runs it as a T cl command. If not, the parser looks for an *, a ?, or a : in the command lines to see if it is a SCPI command.
Examples AM700 Audio Measurement Set Programmer Manual 4–3 +!"%+ )')2!+ %-%0!2.0 /321 12$.32 ” )')2!+ ” %2 2(% 2. )21 $%&!3+2 12!2%1 1#/) %+%#2 2(% $)')2!+ '%-%0!2.
Examples 4–4 AM700 Audio Measurement Set Programmer Manual Function are stored in two different directories in the AM700. Those stored in rom:/function are permanently stored for specific purposes by the factory . Those stored in nvram:/function are user generated.
Examples AM700 Audio Measurement Set Programmer Manual 4–5 3. Use the PROG:SEL:STAT RUN command to start the named function. Send PROG:SEL:STAT STOP to stop the running function if is is not self terminating. A timed function may be set to run at certain times by setting a time for it to start using the PROGram commands.
Examples 4–6 AM700 Audio Measurement Set Programmer Manual An * in a field means to do it on all occurrence. An exception to the * usage is that if both the day of the week and the day of the month fields have an * it just means “every day .
Examples AM700 Audio Measurement Set Programmer Manual 4–7 Usage: Displays the message in a notifier on the screen, requiring one of the buttons to be pressed.
Examples 4–8 AM700 Audio Measurement Set Programmer Manual can be used for . The user can use these to signal between functions concurrently or consecutively running.
Index.
AM700 Audio Measurement Set Programmer Manual Index–1 Index A Accessories, Remote Control, 1–1 AM700 SCPI Control Model, 1–17 AMEasure Subsystem, 1–28, 3–7 Analog Signal Path, 1–18 arbitra.
Index Index–2 AM700 Audio Measurement Set Programmer Manual F FFT Analyzer , Multitone measurements, 1–27 File Names, 3–82 Capacity , 3–82 File Structure, 3–82 FORMat Subsystem, 3–68 Functions PROGram Subsystem, 3–93 running, 4–4 startup.
Index AM700 Audio Measurement Set Programmer Manual Index–3 R range setting, 1–23 references, 2–4 Remote Connector , 1–8 ROUT e Subsystem, 3–102 Route Subsystem, 1–21 Route suffixes, 1–2.
Index Index–4 AM700 Audio Measurement Set Programmer Manual.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Tektronix AM700 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Tektronix AM700 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Tektronix AM700, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Tektronix AM700 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Tektronix AM700, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Tektronix AM700.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Tektronix AM700. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Tektronix AM700 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
