Manuel d'utilisation / d'entretien du produit 3002 du fabricant VXI
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VXI SIGNAL GENERATOR 3002 Operating Manual Document part no. 46892/226 Issue 8 8 July 2004.
i VXI SIGNAL GENERATOR 3002 9 kHz - 2.4 GHz This manual applies to instrum ents with software iss ues of 2.00 and higher . Aeroflex Inter national Ltd.
ii A bout this manual This m anual explains how to use t he 3002 AM/ FM Sign al Generators . Intended audience Persons en gaged on w ork relating to equi pmen t wh o have a n eed for accurately gen erated signals in the VHF and UHF spectru m. Structure Chapter 1 Main featu res and perform ance data.
iii CONTENTS PREFACE ....................................................................................................................... ......... iv Precautions .....................................................................................
iv PREFA CE Patent protection The 3002 VXI Signal Generator is prot ected by the following patents: EP 0322139 GB 2214012 US 4870384 EP 0125790 GB 2140232 US 4609881.
v Precautions Thes e term s have spec ific m eanings in this m anual: WARNING inform ation to preven t personal injury. inform ation to prevent da mage to the eq uipm ent.
vi WARNING Fire haz ard Access to the sup ply fuses is thr ough the removal of an ext ernal cove r. Remova l of the cove rs shou ld be referred to qu alifie d Personne l. For conti nued protect ion agai nst f ire, fu ses m us t only be replaced w ith those of the correct rating an d type.
vii Installation Never insert or rem ove th e instrum ent w hen the main fram e is already powered u p. Alw ay s sw itch the m ainfram e off first and th en on again afterw ards, then run the res ource man ager again for norm al operation.
viii Précautions Les term es s uivants ont, dans c e m anuel, des signif ications partic ulières: WARNING contient des inform ations pour éviter toute blessu re au personnel. conti ent de s infor mations p our é viter les do mmages aux équi pements.
ix Faites e ffectue r to ute ré par atio n par du p erso nnel q ualifié . Conta cter un des Ce ntre s de Maintenance In ternationaux dans la liste jointe à la fin du m anuel. WARNING Risque lié au feu L'accès aux f usibles d' alimen tation se f ait après démon tage d'u n couv ercle de protection extérieur.
x La protection de l'équipement peut être altérée s' il n'est pas utilisé dans les conditions spécifi ées par Aerof lex. Aerof lex n' a aucun contrôle su r l'us age de.
xi Vorsichtsm aßnahmen Diese Hinweise haben eine bestimmte Bedeutung in diesem Handbuch: WARNING diene n zur V ermeid ung von Ve rle tzungsri siken. dienen dem Schut z der Geräte.
xii Lassen Sie alle Reparatu ren durch qu alifiziertes Personal du rchfü hren. Eine L iste der Servicestellen f inden Sie auf der Rück seite des Handbuch es. WARNING Brandgefahr Der Zugr iff auf d ie N etzsi cher ungen gesc hieht d urch d ie E ntfer nung einer Abde ckung.
xiii Precauzioni Questi termini vengono utilizzati in quest o manuale con sign ificati specifici: WARNING riportano informazioni atte ad evitare possibili pericoli alla persona. riportano informazioni per evitare possibili pericoli all'apparecchiatura.
xiv Tutte gli interventi sono di com petenza del personal e qualificato. Vedi elenco in ternazionale dei Centri di A ssist enza in fon do al man uale. WARNING Pericolo d 'incendio L'accesso ai f usibili dell'alimen tazione avviene attrav erso la rimozione di un coperchio esterno.
xv Caratteri stiche d’uso Questo s trum ento è s tato progett ato e prodotto da Aerof lex g enerare seg nali R F in bass a potenza per provare apparati di radio com unicazion e. Se lo strum ento n on è utilizzato nel m odo specifi cat o da A eroflex, le protezion i previste su llo strum ento potrebbero ris ultare inef ficaci.
xvi Precauciones Estos términos tienen sig nificados e specíficos e n este manual: WARNING contienen inform ación refe rente a preven ción de daños person ales. contienen inform ación ref erente a preven ción de daños en equipos. contienen inf ormación g eneral im portante.
xvii No retire las cu biertas del ch asis del instru me nto, y a que pudi era resultar dañ ado personal men te. No existen partes que puedan ser reparadas en su interior. Deje todas las tareas relativas a reparación a un serv icio técnico cualificado.
xviii Idoneidad de uso Este equ ipo ha si do diseñado y fabricado por Aerofl ex para gen erar señ ales de VHF y UH F de bajo nivel de poten cia para prueba de equi pos de radiocom unicacion es. Si el equipo fuese utilizado de form a diferente a la especificada por Aeroflex, la protección ofrecida por el equ ipo pudiera qu edar reducida.
1-1 Chapter 1 GENERA L INFORMA TION Contents Introduction ................................................................................................................... .............. 1- 1 Main featu res ..........................................
GENERA L INFORMATION 1-2 the intern al signal(s ). These sources can be com bined to g ive a nu mber of modu lation m odes. The pulse modulation can be used in combination w ith th e other forms of m odulation.
1-3 GENERAL INFORMATION Performance data GENERAL DESCRIPTION The 3002 is a synt hesized VXI si gnal generator coveri ng the frequenc y range 9 kHz to 2.4 GHz. The RF output can be am plit ude, frequenc y, phase or pul se m odulated. A n internal programm able AF s ource is capable of generating si mult aneous two-tone m odulation.
GENERA L INFORMATION 1-4 FREQUE NCY MO DULA TION Deviation range 0 to 100 kHz. Resoluti on 3 digits or 1 Hz. Acc uracy ±5% at 1 k Hz modul ation rate. Bandwidth (1 dB) DC t o 100 kHz (DC coupl ed), 10 Hz to 100 kHz (A C coupled), 20 Hz to 100 kHz (A C coupled with ALC).
1-5 GENERAL INFORMATION INTERNA L LF GENE RA TOR Frequency range 0.01 Hz to 20 k Hz. Resoluti on 0.01 Hz for f requencies up t o 100 Hz, 0.1 Hz for f requencies up t o 1 kHz, 1 Hz for frequenc ies up to 20 kHz. Frequency acc uracy As frequenc y st andard.
GENERA L INFORMATION 1-6 EL ECTR OM AGNETI C COMPA TIBILITY Conform s with the protec tion requi rement s of the E EC Counci l Direct ive 89/336/E EC. Conform s with the lim it s spec ified i n the fo.
1-7 GENERAL INFORMATION EC Declaration of Conformity Certificate Ref. No.: DC230 (Date) (Signature) Aeroflex International Ltd. The undersigned, representing: Manufacturer: Address: Longacres House, Six Hills W ay , S tevenage, Hertfordshire, UK SG1 2AN Herewith declares that the product: Equipment Description: Model No.
2-1 Chapter 2 INSTA LLA TION A ND POWER-UP Contents Initial visual in spec tion ...................................................................................................... .......... 2-1 Setting logical address .............................
INSTALLA T ION A ND POWER-UP 2-2 Installing in VXI mainframe This instrumen t will tak e up two slots of a C-sized VXI m ainfram e. Before installation ensure that the m ainframe pow er is off.
INSTALLA T ION A ND POWER-UP 2-3 INSTALLATION Cleaning Before comm encin g any cleaning , switch off th e instrum ent an d disconnect th e main fram e from th e supply . The exterior surf ace of the case m ay be cleaned usin g a soft cloth moisten ed in w ater.
INSTALLA T ION A ND POWER-UP 2-4 1 RF OUT 50 Ω SMA-ty pe socket. Protected against th e application of rev erse pow er of up to 50 W. 2 SYST EM FA IL This red LED lights to indicate that the sig nal generator has failed, or is in the process of executing its self-test.
3-1 Chapter 3 PROGRA MMING Introduction An IEEE 488.2 prog ram in terface is prov ided. Ease of u se is ens ured by careful s election of mn emon ics. For exam ple, if carrier f requency and RF lev el are to be set to 2.54 MHz and -27.3 dBm respectively, the VXI instru ction message is: CFRQ :VAL UE 2.
3-2 Programmi ng Program messages A m essa ge consi sts of one or m ore mes sage u nits . Message u nits are separated by a sem i-c olon (;). T h e w hole m essag e is en ded by th e Program Messag e .
3-3 Program data Data can take m any forms, as f ollows: Decimal Nu meric Data is a f lexible nu meric f ormat w hich encom passes integ er, fixed point and floating point (m antissa and exponen t) representations. Data is rounded to a resolution appropr iate to the function.
3-4 * RST Rese t Comm and. Sets the instrum ent f unctions to the f act ory de fault pow er up state. * TST? Self Test Query. Returns a '0' when the V XI in terface and p rocessor are o peratin g.
3-5 Default settings The instrumen t is reset to the factory default settin gs in the f ollowing cases: (1) At pow er-up. (2) Follow ing executi on of th e RCL 999 comm an d. (3) Following execution of the * RST co mma n d. The defaul t settin gs are s how n in Table 3-1 .
3-6 Carrier frequency These comm ands en able you to s et the carrier fr equency in the range 9 kHz to 2 .4 GHz t o a resolution of 1 Hz. You can adjust the frequen cy in steps by setting the size of th e step and then stepp ing the freq uency up o r d own.
3-7 RF lev el These com man ds enable y ou to s et the R F level i n the ran ge -137 t o +25 dBm to a resol ution of 0.1 dB. You can adjust th e level in steps by settin g the si ze of the step an d then st epping the lev el up or down.
3-8 :UNITS Se le ct defaul t RF l ev el units . Da t a t y pe : Characte r Prog ram Data (DBM , DBV, DBM V, DBUV, V, M V or U V) Allow ed su ffices : None Defau lt suffix : Non e Examples: RFLV:VALUE -27.
3-9 Output control These comman ds allow y ou to download and store settings w ithout the output chang ing. OUTPUT [n ot u sed a lone] :DISABLE Al lo ws us er to dow nload and s tore setting s in the no rmal way w ithout the output o f the instrume nt changing until the O UTP UT: ENA BL E command is r eceiv ed.
3-10 Modul ation mode These comman ds allow y ou to select the modulation m ode between am plitude, frequency and phase m odulation as w ell as binary (2-level) an d quadrature (4- level) frequ ency shif t key ing. Binary FSK results f rom a logic level digital sig nal applied to the T RIGGER INPUT socket.
3-11 Modul ation contr ol These comman ds allow you to sw itch A LL m odulation ON or OFF. MOD [n ot u sed a lone] :ON Turn m odulatio n glo ball y O N :OFF Turn m odulatio n glo ball y O FF Examples:.
3-12 Frequency modulation (and FSK) These comm ands en able you to select frequen cy m odulation either as a sing le modulation or as the sum of two sign als, to set the deviation rate, to switch th e modulation on and off an d to perform DC FM nulling .
3-13 :PHASE Set phas e of fse t of F M2 rel ative to F M1 Data ty pe : Decim al Nume ric Pro gram D ata Allow ed su ffices : DEG Defau lt suffix : DEG Examples: FM2:MODF:VALUE 1.
3-14 Phase modulation These comm ands enable you to select phase m odula tion eith er as a single m odulation or as the sum of tw o signals, to set the deviation rate in radians, and to sw itch the m odulation on and off. You can set the m odulation oscillator frequency and select between sin e, triangle and square w aveform s.
3-15 PM? or PM1? or PM 2? Pre pares m essa ge co ntaining info rmation o n Phase Modulatio n setting in on e of th e following forma ts: :PM: DEVN <nr 2>;<src>;<status>;I NC <nr2&.
3-16 A mplitude modul ation These comman ds enable you to select am plitude modulation either as a sing le modulation or as the sum of two sign als, to set the AM depth as a percentage, and to sw itch the m odulation on and off. You can set the m odulation oscillator frequency and select between sin e, triangle and square wav eforms.
3-17 A M? or A M1? or A M2? Pre pares mess age co ntaining info rmatio n on A mplitude Modul ation setting in one o f the f ol low ing f ormats : :A M:DEP TH <nr 2>;<src>;<status>;I .
3-18 Pulse modulati on You can use these com m ands to switch th e pulse modulation on and off wh en it is part of the modulation m ode. When ON is selected the carrier is modulated by the logic level applied to the PUL SE IN PUT soc ket . Pulse O N Logic l evel betw een 3.
3-19 Memory stores Carrier store The non-v olatile carrier frequen cy s tore has 100 location s num bered 0 to 99 for th e storage of carrier frequency only.
3-20 Memory -recall There are three types of recall: carrier, f ull and RAM. Both carrier and fu ll stores are non-volatile. The contents of the RA M store are lost w hen the instru men t is sw itched of f. Carrier recall The non-v olatile carrier frequen cy s tore has 100 location s num bered 0 to 99 for carrier f requency only.
3-21 Memory - erase ERA SE [not u sed alone] :CFRQ Erase a ll Car rier Freq Stor es (0 -99 ) :FULL Erase all Ful l Sto res (100-199) :RAM Er ase al l RA M Stor es ( 200-299) :ALL Erase all Stor es (0-.
3-22 Memor y - triggering For external triggerin g m ethods, refer to 'Trigger source' at the end of this section. MT RIG :ON Enables m emo ry recal l trig ger ing to be activated by *T RG c.
3-23 Sw eep operati on These comm ands allow you to config ure the inst ru men t as a sw ept carrier sig nal gen erator wh ere you def ine the s tart and stop f requencies, th e step size and tim e per step. (Note that these comm ands also appear under ' Carrier freque ncy '.
3-24 Sw eep mode To make these comm ands operational they m ust f irst be enabled by the CFRQ:MODE SWEPT comm and. These com m ands enable y ou to select th e sw eep mode betw een single sh ot and continuou s sw eep and betw een lin ear and logarith m ic sweep.
3-25 Sw eep control To make these comm ands operational they m ust f irst be enabled by the CFRQ:MODE SWEPT comm and. These com m ands enable y ou to start th e sw eep in the selected increm ents from th e chosen referen ce frequency , pause the sw eep, step the sw eep up or down from the paused position, and conti nue th e sw eep.
3-26 Trigger source These comm ands en able you to dis able the trigg er, select the trigg er source from one of th e eight VXI backplane trigg ers or to select an ex ternal trigger. For e xterna l tri ggering, conne ct a T T L trigger sign al to the TRIGGER INPUT connector.
3-27 Miscella neous comma nds A ttenuator hold The ATT EN:LOCK comm and allow s you to reduce th e RF level by at least anoth er 10 dB with out the step attenuator operating.
STATUS BYT E 3-28 Pow er -up options These comm ands allow you to select betw een pow ering u p with th e factory settings (given in Table 3-1) or w ith the set tings of y our choi ce stored in on e of th e full mem o ry l ocations (ran ge 100 to 199) or carrier frequ ency me mory location s (range 0 to 99).
STATUS BYT E 3-29 Operating hour s These comman ds enable you to fin d out either the total operating hours or the elapsed operating hours since the last reset, as w ell as to reset the elapsed time to zero.
3-30 Status by te The Status Byte provides inform ation about events and conditions w ithin th e instrum ent. It m ay be read by a conventional Serial Poll or its value obtaine d as a response t o the * STB? query. Bit s 0 to 5 and bit 7 are each si ngle bit Sum mary Mess ages w hich may be of tw o types (or not used at all).
STATUS BYT E 3-31 Status data structure - register model Belo w is a gener aliz ed mod el of the Registe r Set which funnel s the monito red da ta into a single sum mary bit to set the approp riate bit in the Status Byte.
STATUS BYT E 3-32 Standard event registers This regist er is defin ed by IEEE 488.2 an d each bit has th e mean ing sh ow n below :- *ESR? *ESE *ESE? Register Read/Write Commands <esb> & &am.
STATUS BYT E 3-33 Hardw are event registers This is a device dependen t register and th e bits ha ve m eanings as shown in the list at the bottom of the page.
STATUS BYT E 3-34 Coupling event registers This is a device dependen t register and th e bits ha ve m eanings as shown in the list at the bottom of the page. CCR? CSR? CSE CSE? Register Read/Write Commands <csb> Transition Filter # Condition Register Status Register C1625 # Positive transition sets status.
STATUS BYT E 3-35 Instrument event registers This is a device dependen t register and th e bits ha ve m eanings as shown in the list at the bottom of the page. SCR? SSR? SSE SSE? Register Read/Write Commands <ssb> Transition Filter # Condition Register Status Register C2395 # transition sets status.
STATUS BYT E 3-36 Queue flag details C0075 d dd d d dd d 3 75 1 2 64 0 Status Byte Register ➤ Error Queue Output Queue 88 8 Device Dependant Errors Status Byte & Enable Register non-zero From St.
STATUS BYT E 3-37 Status by te w hen read by *STB? *SRE *SRE? & & & & *STB? C0073 OR & e d d e d d e d d e d d e d d e d d e d d e d d 3 3 3 7 7 7 5 5 5 1 1 1 2 2 2 6 6 6 4 4 4 0 0.
STATUS BYT E 3-38 Status by te w hen read b y serial poll *SRE *SRE? C0074 e d d e d d e d d e d d e d d e d d e d d e d d 3 3 3 7 7 7 5 5 5 1 1 1 2 2 2 6 6 6 4 4 4 0 0 0 <erb> <mss> <m.
STATUS BYT E 3-39 Summary of status reporting commands and quer ies *CLS Clears Status Reg isters an d the Error Queue *ESE<nrf> Writes to Standard Event Enable Register *ESE? Reads from Standar.
3-40 Error messages Error handling Error me ssage s are divi ded into f our grou ps: (1) Background errors - represent a condition of the in strum ent. (2) Foregroun d errors - generally cau sed by the us er. (3) IEEE 488.2 errors - generated by incorrect program mi ng.
ERROR M ESSA GES 3-41 Table 3-3 Background errors (500 - 599) in priority order - - - 591 ftl Main PROM faul ty 590 ftl Main RAM faulty - - - - - - - - - - - - - - - - - - - - - 500 dde RPP trippe d 5.
ERROR M ESSA GES 3-42 Table 3-4 Foreground errors (0 - 399) 0 dde No err or 1 dde EE PROM checksum 2 dde Pad cal checksum 3 dde RF cal che cksum 4 dde F req s td checksum 5 dde Synthes ize r cal che c.
ERROR M ESSA GES 3-43 Tabl e 3-5 IEEE 488.2 errors (400 - 499) 400 cme Sy ntax err or 401 cme Unre cognis ed mnem onic 402 cme Numer ic syntax 403 cme Data e xpecte d 404 cme I ll egal data 405 cme To.
4-1 Chapter 4 TECHNICA L DESCRIPTION Introduction The 3002 VXI Sig nal Gen erator is a VXI m odul e w hich cov ers a w ide rang e of f requenci es from 9 kHz to 2.4 GHz. O utput l evels f rom -137 dBm to +25 dBm are available. Thes e are C size, 2- slot w ide plu g-i n m odules t hat requi re a VXI bus m ain fram e for operation .
4-2 11dB 10dB STEP ATTENUATOR STEP ATTENUATOR 100MHz 1.2-2.4GHz REVERSE POWER PROTECT TRIGGER CONTROL VXI INTERFACE VXI C2871 ALC INT MOD SOURCE LEVEL MOD 10MHz- 2.
5-1 Chapter 5 A CCEPTA NCE TESTING Introduction The test procedures in th is chapte r enable y ou to verif y that th e electrical perform ance of th e signal generator complies w ith th e Performance Data giv en in Chapter 1. For convenien ce, the test equipm ent and specif ication for each test ar e su mm arized before th e test procedure.
5-2 Recommended test equipment The test equipm ent recom m ended for acceptance tes ting is s how n below . Alternativ e equipm ent may be used provided it complies with the stated m inim um specification. Recommended test equipment Description Minimum specification Example Power meter ± 0.
5-3 TEST PROCEDURES Each test procedure relies on the UUT being set to its power-up conditions. Reset the UUT after each test procedure by setting: Store/Recall Address 999 Recall At the en d of this chapter are a set of resu lts tables w hich g ive all the tes t points f or each of the tests .
5-4 RF level frequency response Test procedure UUT C2558 RF OUT SENSOR INPUT 6960B RF power meter 6932 Power sensor Fig. 5-1 RF output tes t set -up (1) Perform AUTO ZER O and A UTO CAL on th e power m eter. (2) Connect the tes t equipm ent as sh ow n in Fig.
5-5 A ttenuat or accuracy Test procedure UUT C2559 RF RF OUT Frequency offset mode connection LO RF OUTPUT Signal generator Sensor Measuring receiver Down converter Fig. 5-2 RF output tes t set -up (1) Connect the tes t equipm ent as sh ow n in Fig. 5- 2.
5-6 Carrier frequency accuracy Thi s chec k pro vide s a co nventi onal method o f chec king the si gnal gene rat or fr eq uency loc king circuitry . It will con firm correct operation of ph ase locked loops and dividers . Overall accuracy is determined by the instru ment ’s intern al reference standard.
5-7 Spectral purity Specificat ion Harmonic s Typical ly better t han − 30 dBc f or levels up t o +7 dBm , typicall y better than − 25 dB c for l evels 6 dB bel ow the maximum spec ified out put.
5-8 (4) Measure the level of the second an d third harm onics on the spectrum analy zer at each of the carrier frequencies show n in Table 5-15 ch ecking th at the results are w ithin specification. (5) Set the UU T RF level t o +7 dBm an d repeat (4) usin g Table 5-16.
5-9 SSB phase noise Test procedure UUT C2563 RF LO RF OUTPUT Signal generator RF OUT Measuring receiver Fig. 5-6 SSB phase nois e test s et-up (1) Connect the tes t equipm ent as sh ow n in Fig. 5- 6. (2) On the UUT set: Carr F req 470 MHz RF Lev el 0 dBm (3) On the m easuring receiv er: Tune the receiv er to 470 MHz.
5-10 Internal F M Specificat ion Deviation range 0 to 100 kHz. Resoluti on 3 digits or 1 Hz. Acc uracy ±5% at 1 k Hz modul ation rate. Bandwidth (1 dB) DC t o 100 kHz (DC coupl ed), 10 Hz to 100 kHz (A C coupled), 20 Hz to 100 kHz (A C coupled with ALC).
5-11 (1) Connect the test equ ipmen t as show n in Fig. 5-7. (2) On th e UUT set: C arr Freq 10 MHz R F Le vel 0 dBm F M1 Lev el 100 kHz Mod On Source On (3) On the modulation m eter select CAL , FM, 50 Hz Þ 15 kHz filter.
5-12 Carrier error Test procedure (1) Connect the tes t equipm ent as sh ow n in Fig. 5- 7. (2) On the UUT set: Carr F req 1200 MHz RF Lev el 0 dBm (3) On the modulation m eter select CARRIER ERROR.
5-13 (5) On the m odulation m eter check th at the FM reading is betw een 47.5 kHz and 52.5 k Hz, then set a reference us ing the relative f unction. (6) Set the fun ction generator to each of the f requencies sh ow n in Table 5-25 check ing that th e relative readings on th e modulation m eter are w ithin specification.
5-14 Phase modulation Specificat ion Deviation 0 t o 10 radians. Resoluti on 3 digits or 0. 01 radians. Acc uracy at 1 kHz ±5% of i ndicated devi ation excluding res idual phase m odulati on. Bandwidth (3 dB) 100 Hz t o 10 kHz. Distort ion Less than 3% at 10 radians at 1 kHz m odulati on rate.
5-15 (6) Using the f igure recorded in (4) as a reference, calcu late the chan ge in respon se at each modula tion fr eq uency using the for mula: þ ý ü î í ì ) 4 ( in recorded Figure ) 5 ( in recorded Figure log 20 10 Check th at the results are w ithin the s pecifications sh ow n in Table 5-29.
5-16 (8) Set the UU T to RF lev el +19 dBm and repeat (2) to (5) us ing Table 5-33. A M scale shape Test procedure (1) Connect the tes t equipm ent as s how n in Fig . 5-7. (2) On the UUT set: Carr F req 100 MHz RF Lev el 0 dBm Mod Mode AM Internal Source On Mod On AM1 Level 30% (3) On the m odulation m eter, sel ect CA L, A M, 300 Hz Þ 3.
5-17 0 Hz (DC) To measure the A M depth at DC, it w ill be necessary to use th e DC off set facility on the f unction generator proceedin g as follow s: 6960B RF power meter 6912 Power sensor C2566 OUTPUT Temporary connection SENSOR INPUT Function generator DVM RF OUT 50 load Ω UUT EXT MOD INPUT Fig.
5-18 Pulse modulati on Does not apply to instrum ents fitted w ith Option 11 — refer to An nex A. Specificat ion Carrier frequency range 32 MHz to 2.4 GHz, us able to 10 MHz. RF level range Maximum guarant eed output is reduced to +20 dB m, +14 dBm above 1.
5-19 (7) Set the UU T RF level to +14 dBm and repeat (5) us ing Table 5- 40. Pulse modulation on/off ratio C5358 OUTPUT Function generator RF OUT UUT PULSE INPUT RF INPUT Spectrum analyzer Fig. 5-11 Pulse modul ation on/off ratio te st set -up Test procedure (1) Press CAL on the s pectrum analy zer.
5-20 Pulse modulation rise and fall time C2567 OUTPUT Function generator RF OUT UUT PULSE INPUT Oscilloscope Fig. 5-12 Pulse modul ation ris e and fall t ime test set-up Test procedure (1) Connect the tes t equipm ent as s how n in Fig .
5-21 Modulation oscillator frequencies Test procedure C5359 INPUT LF OUTPUT UUT Counter Fig. 5-13 Modulation oscilla tor frequency tes t set-up (1) Connect the tes t equipm ent as s how n in Fig .
5-22 (3) Measure the distortion on the audio an alyzer ch ecking th at the result is with in the specificat ion sh ow n in Table 5- 44. (4) Measure the absolute lev el on the au dio an aly zer (in dBm ) and record this lev el as a reference. (5) Set the UUT mod source to each of the f requencies sh ow n in Table 5-44.
5-23 A CCEPTA NCE TEST RESULTS TABLES For 3002 Signal Generator, serial number _ _ _ _ _ _ / _ _ _ Table 5-1 RF output at − 4 dBm Carrier frequency (MHz) RF level min.
5-24 Table 5-2 RF output at +7 dBm Carrier frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0.03 +6 _______ +8 0.33 +6 _______ +8 9 +6 _______ +8 11 +6 _______ +8 60 +6 _______ +8 .
5-25 Table 5- 3 RF outp ut at +25 dBm Carrier frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0.03 +24 _______ +26 0.33 +24 _______ +26 9 +24 _______ +26 11 +24 _______ +26 60 +24.
5-26 Table 5- 4 A LC linearity at 2.5 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) − 4 − 5 _______ − 3 3 − 4 _______ − 2 − 2 − 3 _______ − 1 − 1 − 2 ___.
5-27 Table 5- 5 A LC linearity at 950 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) − 4 − 5 _______ − 3 − 3 − 4 _______ − 2 − 2 − 3 _______ − 1 − 1 − 2.
5-28 Table 5- 6 A LC linearity at 1200 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) − 4 − 5 _______ − 3 − 3 − 4 _______ − 2 − 2 − 3 _______ − 1 − 1 − .
5-29 Table 5- 7 A LC linearity at 1900 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) − 4 − 6 _______ − 2 − 3 − 5 _______ − 1 − 2 − 4 _______ 0 − 1 − 3 __.
5-30 Table 5- 8 A LC linearity at 2400 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) − 4 − 6 _______ − 2 − 3 − 5 _______ − 1 − 2 − 4 _______ 0 − 1 − 3 __.
5-31 Table 5- 9 A ttenuat or test at 2.6 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0 − 1 _______ +1 − 4 − 5 _______ − 3 − 5 − 6 _______ − 4 − 15 − 16 _.
5-32 Table 5- 10 A ttenuat or test at 480.1 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0 − 1 _______ +1 − 4 − 5 _______ − 3 − 5 − 6 _______ − 4 − 15 − 1.
5-33 Table 5- 11 A ttenuat or test at 1199 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0 − 1 _______ +1 − 4 − 5 _______ − 3 − 5 − 6 _______ − 4 − 15 − 16.
5-34 Table 5- 12 A ttenuat or test at 1875.1 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0 − 2 _______ +2 − 4 − 6 _______ − 2 − 5 − 7 _______ − 3 − 15 − .
5-35 Table 5- 13 A ttenuat or test at 2399 M Hz RF level (dBm) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0 − 2 _______ +2 − 4 − 6 _______ − 2 − 5 − 7 _______ − 3 − 15 − 17.
5-36 Table 5- 14 Carrier frequen cy tests Frequency (MHz) Frequency min. (MHz) Result (MHz) Frequency max. (MHz) 0.009 − _______ − 1 − _______ − 9.999999 − _______ − 18.75 − _______ − 37.5 − _______ − 75 − _______ − 150 − _______ − 300 − _______ − 600 − _______ − 1200 1199.
5-37 Table 5- 15 Carrier harmonic t ests at − 4 dBm Carrier frequency (M Hz) 2nd harmonic max. level (dBc) Result (MHz) 3rd harmonic max. level (dBc) Result (MHz) 0.01 − 30 _______ − 30 _______ 0.1 − 30 _______ − 30 _______ 1 − 30 _______ − 30 _______ 9.
5-38 Table 5- 16 Carrier harmonic test s at +7 dBm Carrier frequency (M Hz) 2nd harmonic max. level (dBc) Result (MHz) 3rd harmonic max. level (dBc) Result (MHz) 0.01 − 30 _______ − 30 _______ 0.1 − 30 _______ − 30 _______ 1 − 30 _______ − 30 _______ 9.
5-39 Table 5- 17 Carrier harmonic test s at +13 dBm Carrier frequency (M Hz) 2nd harmonic max. level (dBc) Result (MHz) 3rd harmonic max. level (dBc) Result (MHz) 0.01 − 25 _______ − 25 _______ 0.1 − 25 _______ − 25 _______ 1 − 25 _______ − 25 _______ 9.
5-40 Table 5- 18 Carrier harmonic test s at +19 dBm Carrier frequency (M Hz) 2nd harmonic max. level (dBc) Result (MHz) 3rd harmonic max. level (dBc) Result (MHz) 0.01 − 25 _______ − 25 _______ 0.1 − 25 _______ − 25 _______ 1 − 25 _______ − 25 _______ 9.
5-41 Table 5-19 Carrie r non-harmonic tes ts Sub-harmonic output Sub-harmonic output Carrier frequency (MHz) Non- harmonic frequency (MHz) Non- harmonic level (dBc) Result (dBc) Non- harmonic frequency (MHz) Non- harmonic level (dBc) Result (dBc) 1201 800.
5-42 Table 5- 22 Internal FM d eviation and dist ortion t ests at 100 kHz dev iation FM Deviation Distortion Carrier frequency (MHz) FM deviation min. (kHz) Result (kHz) FM deviation max. (kHz) Distortion (% ) Result (% ) 10 95 _______ 105 <3% _______ 10.
5-43 Table 5- 24 Carrier error test at 1.2 GHz, F M d eviatio n 100 kHz Carrier error Result (k Hz) <1 kHz _______ Table 5-25 Exter nal FM frequency r esponse (A LC off, DC coupled), 50 kHz deviation Modulation frequency (kHz ) Response level min. (dB) Result (dB) Response level max.
5-44 Table 5-26 Exter nal FM frequency r esponse (A LC on), 10 kHz deviation, 0.75 V input Modulation frequency (kHz ) Response level min. (dB) Result (dB) R esponse level max.
5-45 Table 5- 29 Internal Φ M fl atness test Modulation frequency (kHz ) Response level min. (dB) Result (dB) Response level max. (dB) 0.1 − 3 _______ +3 0.
5-46 Table 5- 32 Internal AM depth and dist ortion t ests at +13 dBm AM depth 30% A M depth 80% Distortion Carrier frequency (MHz) min. (% ) Result (% ) max. . (% ) min. (% ) Result (% ) max. (% ) Result at 30% depth (<1.5% ) Result at 80% depth (<2.
5-47 Table 5- 34 A M scale sh ape test AM depth (% ) AM depth min. (% ) Result (% ) A M depth max. (% ) 10 9.5 _______ 10.5 20 19 _______ 21 30 28.5 _______ 31.5 40 38 _______ 42 50 47.5 _______ 52.5 60 57 _______ 63 70 66.5 _______ 73.5 80 76 _______ 84 85 80.
5-48 Table 5-37 Externa l A M frequency re sponse (A LC off, DC coupled), RF level +13 dBm Modulation frequency (kHz ) Response level min. (dB) Result (dB) Response level max.
5-49 Table 5-39 Pulse modulation RF output at + 4 dBm Carrier frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 32 +2.5 _______ +5.5 60 +2.5 _______ +5.5 180 +2.5 _______ +5.5 300 +2.5 _______ +5.5 420 +2.5 _______ +5.5 540 +2.5 _______ +5.
5-50 Table 5-40 Pulse modulation RF output at + 14 dBm Carrier frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 32 +12.5 _______ +15.5 60 +12.5 _______ +15.5 180 +12.5 _______ +15.5 300 +12.5 _______ +15.5 420 +12.5 _______ +15.5 540 +12.
5-51 Table 5-42 Pulse modulation ri se and fall time test Result ( µ s) Rise time <10 µ s _______ Fall time <10 µ s _______ Table 5-43 M odulation oscillator frequency tests Frequency (Hz) Result (Hz) 10 _______ 100 _______ 1000 _______ 20000 _______ Table 5-44 M odulation oscillato r distortion and LF output tests Mod.
Annex-A-1 A nnex A OPTION 11 FA ST PULSE MODULA TION General description Option 11 adds the ability for the instru ment to intern ally g enerate a fast pulse m odulated wav eform f rom logic levels applied to the PULSE INPUT socket.
Annex-A-2 Pulse modulation RF level frequency response Fig. A-1 Pulse modul ation tes t set-up Test procedure (1) Perform AUTO Z ERO and A UTO CA L on th e pow er me ter. (2) Connect th e test equipm ent as s how n in Fig . A-1. (3) On the UUT set: Carr Freq 100 kHz RF Le vel − 7 dBm Pulse ON (4) Set the function generator to provide +5 V DC.
Annex-A-3 Test procedure (1) Press CAL on the s pectrum analyzer. (2) Connect th e test equipm ent as s how n in Fig . A-2. (3) On the UUT set: Carr Freq 100 kHz RF Lev el 0 dB Pulse ON (4) Set the function generator to provide +5 V DC. T he RF output w ill now be enabled.
Annex-A-4 A CCEPTA NCE TEST RESULTS TABLES for Option 11 (fast pulse modul ator) Table A -1 Pulse mod. RF output at − 7 dBm Carrier Frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0.1 − 8.25 _______ − 5.75 1 − 8.25 _______ − 5.
Annex-A-5 Table A -2 Pulse mod. RF output at +0 dBm Carrier frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0.1 − 1.25 _______ +1.
Annex-A-6 Table A -3 Pulse mod. RF output at +1 6 dBm Carrier frequency (MHz) RF level min. (dBm) Result (dBm) RF level max. (dBm) 0.1 +14.75 _______ +17.
Annex-A-7 Table A -4 Pulse modulation on/off r atio test Carrier frequency (MHz) Pulse mod. on/off ratio (dB) Measured value (dB) 0.145 >80 _______ 1.
AEROFLEX INTERNATIONAL LTD. SOFTWARE LICENCE AND WARRANTY This document is an Agreement between the user of this License d Software, the Licensee, and Aeroflex International Limited, the Licensor. By opening this Software package or commencing to use the software you accept the terms of this Agreement.
AEROFLEX INTERNATIONAL LTD SOFTWARE LICENCE AND WARRANTY 48000/025 Issue 1 6 The above Warranty does not apply to: 6.1 Defects resulting from software not supplied by Aeroflex, fro m unauthorised modification or misuse or from operation outsid e of the specification.
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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 VXI 3002 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 VXI 3002 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation VXI 3002, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le VXI 3002 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le VXI 3002, 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 VXI 3002.
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 VXI 3002. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei VXI 3002 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.
