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VXI 3002 User's Manual

1. WARNING information to prevent personal injury information to prevent damage to the equipment important general information The meaning of hazard symbols appearing on the equipment and in the documentation is as follows Symbol Description N Refer to the operating manual when this symbol is marked on the instrument Familiarize yourself with the nature of the hazard and the actions that may have to be taken Toxic hazard AA Static sensitive components General conditions of use This product is designed and tested to comply with the requirements of IEC EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use for Class III portable equipment and is for use in a pollution degree 2 environment The equipment is designed to operate from an installation category I supply Equipment should be protected from the ingress of liquids and precipitation such as rain snow etc When moving the equipment from a cold to a hot environment it is important to allow the temperature of the equipment to stabilize before it is connected to the supply to avoid condensation forming The equipment must only be operated within the environmental conditions specified in Chapter 1 Performance data in the Operating Instruction manual otherwise the protection provided by the equipment may be impaired This product is not approved for use in hazardous atmospheres or medical applications
2. H Y o 0000 y LP i Function generator gt o MOD OUTPUT INPUT RF ut INPUT EO OUTPUT Temporary 1 connection 1 DVM 500 load Audio analyzer INPUT C2565 Fig 5 8 External modulation and modulation distortion test set up 30 Hz to 100 kHz 1 Connect the test equipment as shown in Fig 5 8 2 On the UUT set Carr Freq 15 MHz RF Level 0 dBm Mod Mode FM External FMI Level 50 kHz Source On Mod On DC coupling 3 Set the function generator to give 1V RMS 1 kHz sine wave 4 On the modulation meter select CAL FM 10 Hz gt 300 kHz filter 5 12 5 6 7 0 Hz DC On the modulation meter check that the FM reading is between 47 5 kHz and 52 5 kHz then set a reference using the relative function Set the function generator to each of the frequencies shown in Table 5 25 checking that the relative readings on the modulation meter are within specification At those frequencies indicated in Table 5 25 set the modulation meter LF output control to mid position and measure the AF distortion on the audio analyzer checking that the results are within specification To measure the FM deviation at DC it will be necessary to use the DC offset facility on the function generator proceeding as follows 8 9
3. Spectrum analyzer RF INPUT C5357 Fig 5 4 Carrier harmonics and non harmonics test set up 1 Press CAL on the spectrum analyzer 2 Connect the test equipment as shown in Fig 5 4 3 Onthe UUT set Carr Freq 10 kHz RF Level 4 dBm 5 7 4 Measure the level of the second and third harmonics on the spectrum analyzer at each of the carrier frequencies shown in Table 5 15 checking that the results are within specification 5 Set the UUT RF level to 7 dBm and repeat 4 using Table 5 16 6 Set the UUT RF level to 13 dBm and repeat 4 using Table 5 17 7 Set the UUT RF level to 19 dBm and repeat 4 up to 1 2 GHz using Table 5 18 Non harmonics Test procedure 1 2 3 4 Residual FM Press CAL on the spectrum analyzer Connect the test equipment as shown in Fig 5 4 On the UUT set Carr Freq 1201 MHz RF Level 0 dB Measure the level of the non harmonics on the spectrum analyzer at each of the carrier frequencies shown in Table 5 19 checking that the results are within specification Test procedure 1 2 3 4 UUT 5 RF OUT RF INPUT Measuring gt receiver ak o C2562 Fig 5 5 Residual FM test set up Connect the test equipment as shown in Fig 5 5 On the UUT set Carr Freq 1 GHz RF Level 0 dBm On th
4. 10 11 12 13 Set the function generator to 1 4142 V DC temporarily connect the function generator output to the DVM and set this voltage as close as possible to 1 4142 V Press CARRIER ERROR on the modulation meter Set the function generator to 1 4142 V DC temporarily connect the function generator output to the DVM and set this voltage as close as possible to 21 4142 V Measure the frequency indicated on the modulation meter carrier frequency window FMI Reset the function generator to 1V RMS 1 kHz sine wave and measure the FM deviation FM2 Using the following formula calculate the change in response checking that the result is within the specification shown against 0 Hz in Table 5 25 uw 20 logio l re External FM frequency response ALC on Test procedure 1 2 3 4 5 6 7 Connect the test equipment as shown in Fig 5 8 On the UUT set Carr Freq 15 MHz RF Level 0 dBm Mod Mode FM External FMI Level 10 KHz Source On Mod On ALC coupling Set the function generator to give 0 75 V RMS 1 kHz sine wave On the modulation meter select CAL FM 10 Hz gt 300 kHz filter On the modulation meter check that the FM reading is between 9 5 kHz and 10 5 kHz then set a reference using the relative function Set the function generator to each of the frequencies shown in Table 5 26 checking that the relative readings on the modulation meter are within specificatio
5. These commands enable you to select a 10 MHz output to provide a standard for use with associated equipment as well as enabling you to select a standard either external or internal for use by the instrument When an external standard is selected the internal TCXO is locked to the external standard using a phase locked loop In this case you can select between direct and indirect When direct is selected the internal standard for the RF tray is provided directly from the external standard When indirect is selected this standard is provided from the TCXO locked to the external standard You should select direct if your provided standard is better than that fitted in the instrument FSTD Select internal or external frequency standard Data type Character program data any one of INT EXTIODIR EXTIIND EXTIOIND or INTIOOUT Allowed suffices None Default suffix None Examples FSTD INT FSTD EXT1OIND FSTD Prepares message containing information on frequency standard selection in the format FSTD lt char gt Example FSTD EXT10IND Reading error messages This command enables the error messages to be read off the error queue in the order that they occurred ERROR Prepares message relating to the next error in the error queue in the following format lt nrl gt lt string gt Where lt string gt is a descriptive error message The numeric value returned is either that of the next error number or 0 if the queue is
6. 4 5 6 ALC linearity 6960B UUT RF power meter EE L SENSOR ooo dg RF OUT 6932 INPUT 1898 es gt gt 5 O 0000 Power sensor C2558 Fig 5 1 RF output test set up Perform AUTO ZERO and AUTO CAL on the power meter Connect the test equipment as shown in Fig 5 1 On the UUT set Carr Freq 30 kHz RF Level 0 dBm Record the output level measured by the power meter against each of the carrier frequencies shown in Table 5 1 checking that the results are within specification Set the UUT RF level to 7 dBm and repeat 4 using Table 5 2 Set the UUT RF level to 25 dBm and repeat 4 using Table 5 3 decreasing the RF level to 19 dBm when testing at carrier frequencies above 1 2 GHz Test procedure 1 2 3 4 5 6 7 8 Perform AUTO ZERO and AUTO CAL on the power meter Connect the test equipment as shown in Fig 5 1 On the UUT set Carr Freq 2 5 MHz RF Level 4 dBm Record the output level measured by the power meter against each of the steps shown in Table 5 4 checking that the results are within specification Set the UUT carrier frequency to 950 MHz and repeat 4 using Table 5 5 Set the UUT carrier frequency to 1200 MHz and repeat 4 using Table 5 6 Set the UUT carrier frequency to 1900 MHz and repeat 4 using Table 5 7 Set the UUT
7. Allowed suffices Default suffix UP DN RETN XFER SIN TRI SQR Data type Allowed suffices Default suffix PHASE Examples Set Phase Modulation Deviation short form Set Phase Modulation Deviation Set Phase Modulation step size Decimal Numeric Program Data RAD Select modulation source where src is any one of INT EXTAC EXTALC or EXTDC Turn PM ON locally Turn PM OFF locally Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting None None None PM DEVN 2 38RAD INT ON PM1 DEVN 1 5RAD INC 0 1RAD EXTAC Set PM modulation oscillator frequency short form Set PM modulation oscillator frequency Set PM modulation oscillator frequency step size Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting Select sinusoidal waveform Select triangle waveform Select square waveform None None None Set phase offset of PM2 relative to PMI PM1 MODF VALUE 10 5KHZ SOR PM2 MODF PHASE 2 0DEG 3 14 PM or PM1 or PM2 Example PM MODF or PM1 MODF or PM2 MODF Example Prepares message containing information on Phase Modulation setting in one of the following formats PM DEVN lt nr2 gt lt sre gt lt status gt INC lt nr2 gt PM1 DEVN lt nr2 gt lt src gt lt status gt INC lt nr2 gt PM2 DEVN
8. Carr Freq 15 MHz RF Level 0 dBm Mod Mode PM Internal Source On Mod On PMI Level 10 rad On the modulation meter select CAL FM 50 Hz gt 15 kHz LF filter Measure the deviation on the modulation meter and calculate the phase modulation using the formula M FM dev Hz mod freq Hz On the UUT set mod source to each of the frequencies shown in Table 5 29 measure the deviation on the modulation meter and calculate the phase modulation for each step using the formula in 4 5 14 6 Using the figure recorded in 4 as a reference calculate the change in response at each modulation frequency using the formula 2010810 Figure recorded in 5 Figure recorded in 4 Check that the results are within the specifications shown in Table 5 29 Amplitude modulation Specification Range 0 to 99 9 Resolution 0 1 Accuracy For carrier frequencies less than 500 MHz usable to 2 GHz 5 of set depth at 1 kHz rate at 17 C to 27 C ambient temperature Temperature coefficient lt 0 02 per C Bandwidth 1 dB DC to 30 kHz DC coupled 10 Hz to 30 kHz AC coupled 20 Hz to 30 kHz AC coupled with ALC Distortion Less than 2 5 at 1 kHz rate for modulation depths up to 80 Less than 1 5 at 1 kHz rate for modulation depths up to 30 Test equipment Modulation meter AM accuracy 1 at 1 kHz modulation frequency IFR 2305 with distortion option DVM DC voltage measurement Solartron 7150 50 Q load 1 W
9. Deviation range Resolution Accuracy Bandwidth 1 dB Group delay Carrier frequency offset Distortion Modulation source Modes Data source Frequency shift Accuracy Timing jitter Filter PHASE MODULATION Deviation Resolution Accuracy at 1 kHz Bandwidth 3 dB Distortion Modulation source GENERAL INFORMATION 0 to 100 kHz 3 digits or 1 Hz 5 at 1 kHz modulation rate DC to 100 kHz DC coupled 10 Hz to 100 kHz AC coupled 20 Hz to 100 kHz AC coupled with ALC Less than 5 us to 100 kHz Less than 1 of the set frequency deviation when DC coupled Less than 3 at 1 kHz rate for deviations up to 100 kHz Typically lt 0 5 at 1 kHz rate for deviations up to 10 kHz Internal LF generator or external via front panel BNC 2 level or 4 level FSK Note that 4 FSK is not available with Option 11 Fast Pulse fitted External data connected to TRIGGER INPUT connector 2 level or TRIGGER INPUT and PULSE INPUT connectors 4 level Settable up to 100 kHz As FM deviation accuracy 3 2 us 8 order Bessel 3 dB at 20 kHz 0 to 10 radians 3 digits or 0 01 radians 15 of indicated deviation excluding residual phase modulation 100 Hz to 10 kHz Less than 3 at 10 radians at 1 kHz modulation rate Typically lt 0 5 for deviations up to 1 radian at 1 kHz Internal LF generator or external via front panel BNC AMPLITUDE MODULATION for carrier frequencies lt 500 MHz usable Bandwidth
10. EROFLEX VXI SIGNAL GENERATOR 3002 Operating Manual Document part no 46892 226 Issue 8 8 July 2004 VXI SIGNAL GENERATOR 3002 9 kHz 2 4 GHz This manual applies to instruments with software issues of 2 00 and higher Aeroflex International Ltd 2004 No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying or recorded by any information storage or retrieval system without permission in writing by Aeroflex International Ltd hereafter referred to throughout the document as Aeroflex Printed in the UK Manual part no 46892 226 PDF version Based on Issue 8 of the printed manual 8 July 2004 About this manual This manual explains how to use the 3002 AM FM Signal Generators Intended audience Persons engaged on work relating to equipment who have a need for accurately generated signals in the VHF and UHF spectrum Structure Chapter 1 Main features and performance data Chapter 2 Installation and power up Chapter 3 Programming with keywords and sample programs Chapter 4 Brief technical description Chapter 5 Instructions for doing acceptance testing Annex A Fast pulse modulation Document conventions The following conventions apply throughout this manual RF OUT Titles marked on the instrument panel are shown in capital letters CONTENTS PREFACE RA iv Precautions TA Pr cautions ANO v
11. If the equipment is to be used in a safety related application e g avionics or military applications the suitability of the product must be assessed and approved for use by a competent person N Electrical hazards DC supply voltage This equipment conforms with IEC safety Class III meaning that for continued safety it must only be connected to supplies and signal sources which conform to Separated Extra Low Voltage SELV and SELV E voltage and insulation requirements No hazardous voltages are generated internally See under Performance data in Chapter for the maximum permitted voltage levels that can be applied Do not remove instrument covers as this may result in personal injury There are no user serviceable parts inside Refer all servicing to qualified personnel See list of Service Centers at rear of manual N Fire hazard Access to the supply fuses is through the removal of an external cover Removal of the covers should be referred to qualified Personnel For continued protection against fire fuses must only be replaced with those of the correct rating and type Toxic hazards Some of the components used in this equipment may include resins and other materials which give off toxic fumes if incinerated Take appropriate precautions therefore in the disposal of these items Beryllia Beryllia beryllium oxide is used in the construction of some of the components in this equipment This material when
12. None Default suffix None Examples PULSE ON PULSE OFF PULSE Prepares message containing information on Pulse Modulation setting in the following format PULSE lt status gt where lt status gt is a program mnemonic indicating whether the pulse modulation is ON or OFF Examples PULSE ON PULSE OFF Examples PULSE ON PULSE OFF To enable pulse modulation Select any modulation mode together with pulse for example MODE AM PULSE Turn pulse modulation on PULSE ON this command is valid for instruments that do not contain Option 11 Turn the AM off by sending AM OFF This disables the AM but leaves pulse modulation enabled To disable pulse modulation Turn pulse modulation off PULSE OFF this command is valid for instruments that do not contain Option 11 or set a new modulation mode without pulse for example MODE AM This command is valid for all instruments 3 18 Memory stores Carrier store The non volatile carrier frequency store has 100 locations numbered 0 to 99 for the storage of carrier frequency only This store can be used to apply a set of test conditions to a range of frequencies For example if you wish to use the same modulation at a variety of frequencies you can use the carrier store to set the instrument to each of the frequencies in turn When a carrier store is recalled it will only replace the current carrier frequency all the other settings will remain unc
13. aplicaci n de calor Para su eliminaci n debe tratarse como un residuo especial El material NO DEBE eliminarse mediante incineraci n xvii CAUTION Idoneidad de uso Este equipo ha sido disefiado y fabricado por Aeroflex para generar sefiales de VHF y UHF de bajo nivel de potencia para prueba de equipos de radiocomunicaciones Si el equipo fuese utilizado de forma diferente a la especificada por Aeroflex la proteccion ofrecida por el equipo pudiera quedar reducida Aeroflex no tiene control sobre el uso de este equipo y no puede por tanto exigirsele responsabilidades derivadas de una utilizaci n distinta de aquellas para las que ha sido disefiado xvili Chapter 1 GENERAL INFORMATION Contents Introduction rete Re ee etes o 1 1 features iui aio ide 1 1 Performance A ceo 1 3 Versions Options and ACCESSOLIES eri 1 6 Introduction The 3002 is a C size message based VXI signal generator covering the frequency range 9 kHz to 2 4 GHz The RF output can be modulated in amplitude frequency or phase using internal or external signal sources Additionally pulse modulation may be applied externally An internal AF source is capable of generating simultaneous two tone modulation The 3002 is 2 slots wide and conforms to revisions 1 3 and 1 4 of the VXI specification Main features Frequency selection Output Carrier frequency resolution is 1 Hz across the band A series of ca
14. gt 65 dBc up to 2 4 GHz typically gt 70 dB at 2 4 GHz Rise and fall time lt 20 ns typically 15 ns Maximum repetition frequency 10 MHz Control 50 Q input impedance A logic 1 2 to 5 V turns the carrier on a logic 0 0 to 0 8 V turns the carrier off Maximum input is 10 V Test equipment Alternative equipment may be used providing it complies with the stated minimum performance Minimum specification Example Power meter 0 1 dB from 9 kHz to 2 4 GHz IFR 6960B and 6912 Spectrum Frequency coverage 100 kHz to 2 4 GHz AnritsuMS2602A analyzer 50 Q load 1 W 50 Q nominal impedance DC to 2 4 GHz Lucas Weinschel termination M1404N Oscilloscope 100 MHz bandwidth Tektronix TDS 220 Function DC to 10 kHz square wave HP 3325B generator RF detector 100 kHz to 2 GHz HP 8471D Annex A 1 Pulse modulation RF level frequency response 6960B UUT RF power meter Function generator o ar Css gt ce O 0000 ES E OUTPUT 6912 SENSOR PULSE 7 Power INPUT INPUT sensor gt 2824 Fig 1 Pulse modulation test set up Test procedure 1 2 3 4 5 6 7 Perform AUTO ZERO and AUTO CAL on the power meter Connect the test equipment as shown in Fig A 1 On the UUT set Carr Freq 100 kHz RF Level 7 dBm Pulse ON Set th
15. 50 Q nominal impedance DC to 2 4 GHz Lucas Weinschel termination M1404N Audio analyzer Capable of measuring THD of 0 01 from 100 Hz Rohde amp to 20 kHz Schwarz UPA3 Function DC to 30 kHz sine 0 6 dB flatness Agilent 3325B generator AM depth and distortion Test procedure 1 Connect the test equipment as shown in Fig 5 7 2 On the UUT set Carr Freq 1 5 MHz RF Level 4 dBm Mod Mode AM Internal Source On Mod On AMI Level 30 3 On the modulation meter select CAL AM 300 Hz gt 3 4 kHz LF filter 4 Measure the AM accuracy and distortion at the frequencies shown in Table 5 30 checking that the results are within specification 5 Set the UUT AMI level to 80 and repeat 4 6 Set the UUT to RF level 7 dBm and repeat 2 to 5 using Table 5 31 7 Set the UUT to RF level 13 dBm and repeat 2 to 5 using Table 5 32 5 15 8 Set the UUT to RF level 19 dBm and repeat 2 to 5 using Table 5 33 AM scale shape Test procedure 1 2 3 4 Connect the test equipment as shown in Fig 5 7 On the UUT set Carr Freq 100 MHz RF Level 0 dBm Mod Mode AM Internal Source On Mod On AMI Level 30 On the modulation meter select CAL AM 300 Hz gt 3 4 kHz LF filter Measure the AM accuracy at the depths shown in Table 5 34 checking that the results are within specification External AM frequency response ALC off DC coupled Test procedure 100 Hz to 30 kHz
16. Aeroflex Aeroflex n a aucun contr le sur l usage de l instrument et ne pourra tre tenu pour responsable en cas d v nement survenant suite une utilisation diff rente de celle pr vue Vorsichtsma nahmen WARNING CAUTION Note Diese Hinweise haben eine bestimmte Bedeutung in diesem Handbuch dienen zur Vermeidung von Verletzungsrisiken CAUTION dienen dem Schutz der Ger te Note enthalten wichtige Informationen Gefahrensymbole Die Bedeutung der Gefahrensymbole auf den Ger ten und in der Dokumentation ist wie folgt Symbol Gefahrenart N Beziehen Sie sich auf die Bedienungsanleitung wenn das Messgerat mit diesem Symbol markiert ist Machen Sie sich mit der Art der Gefahr und den Aktionen die getroffen werden m ssen bekannt Warnung vor giftigen Substanzen Allgemeine Hinweise zur Verwendung Dieses Produkt wurde entsprechend den Anforderungen von IEC EN61010 1 Sicherheitsanforderungen f r elektrische Ausr stung f r MeBaufgaben Steuerung und Laborbedarf Klasse III transportabel zur Verwendung in einer Grad 2 verunreinigten Umgebung entwickelt und getestet Dieses Ger t ist f r Netzversorgung Klasse I zugelassen Das Ger t sollte vor dem Eindringen von Fl ssigkeiten sowie vor Regen Schnee etc gesch tzt werden Bei Standort nderung von kalter in w rmere Umgebung sollte das Ger t wegen der Kondensation erst nach Anpassung an die w rmere Umgebung mit dem Netz verbunden wer
17. Fig 5 14 Modulation oscillator distortion test set up 1 Connect the test equipment as shown in Fig 5 14 2 On the UUT set FMI Freq I kHz 5 21 3 Measure the distortion on the audio analyzer checking that the result is within the specification shown in Table 5 44 4 Measure the absolute level on the audio analyzer in dBm and record this level as a reference 5 Set the UUT mod source to each of the frequencies shown in Table 5 44 Subtract the level measured on the audio analyzer at each frequency from that recorded in 4 checking that the results are within specification External frequency standard input Specification External input Front panel BNC connector accepts an input of 1 MHz or 10 MHz at 220 mV RMS to 1 8 V RMS into 1 kQ Test equipment Signal generator 220 mV to 1 8 V RMS 1 MHz to 10 MHz IFR 2041 or 2030 Test procedure Signal generator UUT o E lg Ole Ooo 000 000 B NG di a FREQ STD RF OUTPUT VO Sy o C2570 Fig 5 15 External standard test set up 1 Connect the test equipment as shown in Fig 5 15 2 On the UUT set Freq Std External 1 Direct 3 Set the signal generator to RF level 220 mV EMF carrier frequency 1 MHz 4 Using Table 5 45 check that no external standard error messages are displayed on the UUT 5 Set the signal generator t
18. Herewith declares that the product Equipment Description VXI 9 kHz to 2 4 GHz Signal Generator Model No 3002 Options 11 is in conformity with the following EC directive s including all applicable amendments Reference No Title 73 23 EEC Low Voltage Directive 89 336 EEC EMC Directive and that the standards and or technical specifications referenced below have been applied Safety IEC EN61010 1 2001 C1 2002 C2 2003 EMC IEC EN 61326 1 1997 A1 1998 A2 2001 RF Emission Class B Immunity Table 1 and Performance Criterion B Qualifying Notes Aeroflex Stevenage Place 23 December 2003 Date pu Robert Trott Director of Product Assurance Signature GENERAL INFORMATION Contents Chapter 2 INSTALLATION AND POWER UP Initial visual inspection ss 2 1 Setting logical address Linneo 2 1 Ventilation requirements d er rtr naked EE PED e E SERERE S 2 1 Installing in VXI mainframe seen 2 2 Routine safety testing and inspection 2 2 Cleaning iE 2 3 Putting into storage nee ta 2 3 Front panel connectors and indicators i 2 3 SWIECHNE ON ee nent idee dun ns 2 4 Disk installation loading instructions 2 4 List of figures Fig 2 1 3002 front panel showing connectors and indicators eee 2 3 VAN Initial visual insp
19. analyzer Frequency coverage 32 MHz to 2 4 GHz Anritsu MS2602A Oscilloscope 100 MHz bandwidth Tektronix TDS 220 Function generator DC to 10 kHz square wave Agilent 3325B Pulse modulation RF level frequency response 6960B UUT RF power meter o 2 Function generator a H de Css ai C gt gt on OUTPUT 6912 SENSOR PULSE Power INPUT INPUT sensor gt 3 o 2824 Fig 5 10 Pulse modulation test set up Test procedure 1 2 3 4 5 6 Perform AUTO ZERO and AUTO CAL on the power meter Connect the test equipment as shown in Fig 5 10 On the UUT set Carr Freq 32 MHz RF Level 7 dBm Pulse ON Set the function generator to provide 5 V DC The RF output will now be enabled Record the output level measured by the power meter against each of the carrier frequencies shown in Table 5 38 checking that the results are within specification Set the UUT RF level to 4 dBm and repeat 5 using Table 5 39 7 Set the UUT RF level to 14 dBm and repeat 5 using Table 5 40 Pulse modulation on off ratio UUT RF OUT gt d Function generator OUTPUT PULSE INPUT OO J Spectrum analyzer o O RF INPUT g C5358 Fig 5 11 Pulse modulation on off ratio test set up T
20. carrier and full stores are non volatile The contents of the RAM store are lost when the instrument is switched off Carrier recall The non volatile carrier frequency store has 100 locations numbered 0 to 99 for carrier frequency only These can be recalled and used in conjunction with full recall to apply a set of test conditions to a range of frequencies Full recall The non volatile full store has 100 locations numbered 100 to 199 for the storage of instrument settings These stores may be recalled and used to reset the instrument s parameters to those which affect the RF output carrier frequency RF level modulations in use on off and source information and the two modulation oscillator frequencies in use RAM recall The volatile RAM store has locations numbered 200 to 299 for the full storage of instrument settings The parameters that are recalled are the same as those for full recall Recalling default settings For a list of the default settings see Table 3 1 Memory recall To recall the factory default settings press the RCL 999 RCL Recall Store 0 299 short form MEM Recall Store 0 299 CFRQ Recall Carrier Freq Store 0 99 FULL Recall Full Store 100 199 RAM Recall RAM Store 200 299 Data type Decimal Numeric Program Data Allowed suffices None Default suffix None UP Step up through stores Use this command for memory sequencing DN Step down through stores Use this command for memory sequencing Dataty
21. carrier frequency to 2400 MHz and repeat 4 using Table 5 8 Attenuator accuracy Test procedure 1 2 3 4 5 6 7 8 9 10 11 Signal generator OODDOO O00000 000 0000 ooo 000 000 O UUT RF OUTPUT RF OUT RF LO Ee ex gt Down converter lt Frequency offset Sensor mode connection receiver Measuring C2559 Fig 5 2 RF output test set up Connect the test equipment as shown in Fig 5 2 On the UUT set Carr freq 2 6 MHz RF Level 4 dBm Set A 11 ENTER Tune the receiver to 2 6 MHz and record the output level measured in Table 5 9 checking that the result is within specification Set the UUT RF level to 4 1 dBm Measure the received level and record the result in Table 5 9 checking that the result is within specification Decrement the UUT using the icon in 11 dB steps down to an RF level of 103 1 dBm measuring the received level at each step shown in Table 5 9 checking that the results are within specification Set the UUT to carrier frequency 480 1 MHz and repeat 2 to 5 using Table 5 10 Set the UUT to carrier frequency 1199 MHz and repeat 2 to 5 using Table 5 11 The down converter will automatically be enabled when testing frequencies above 1300 MHz Set the local oscillator to 8 dBm at a carr
22. checking that it is within the specification shown in Table 5 42 Repeat 4 to 5 for the fall time of the envelope Modulation oscillator Specification Frequency range 0 01 Hz to 20 kHz Resolution 0 01 Hz for frequencies up to 100 Hz 0 1 Hz for frequencies up to 1 kHz 1 Hz for frequencies up to 20 kHz Frequency accuracy As frequency standard Distortion Less than 0 1 THD at 1 kHz Waveforms Sine to 20 kHz triangle or square wave to 3 kHz Audio output The modulation oscillator signal is available on a front panel BNC connector at a level of 2 V RMS EMF from a 600 Q source impedance Test equipment Frequency 9 kHz to 2 4 GHz Agilent 53181A counter with option 030 Audio analyzer Capable of measuring THD of 0 01 at 1 kHz Rohde amp Schwarz UPA3 5 20 Modulation oscillator frequencies Test procedure INPUT LF OUTPUT C5359 Fig 5 13 Modulation oscillator frequency test set up 1 Connect the test equipment as shown in Fig 5 13 2 On the UUT set FMI Freq 10 Hz 3 Record the frequency measured by the counter against each of the modulation oscillator frequencies shown in Table 5 43 Modulation oscillator distortion and LF output flatness Test procedure UUT B de o LF OUTPUT INPUT Audio analyzer Y q C2569
23. concerne I livelli massimi di tensione applicabili Non rimuovete mai le coperture perch cosi potreste provocare danni a voi stessi Non vi sono all interno parti di interesse all utilizzatore xiii Tutte gli interventi sono di competenza del personale qualificato Vedi elenco internazionale dei Centri di Assistenza in fondo al manuale N Pericolo d incendio L accesso ai fusibili dell alimentazione avviene attraverso la rimozione di un coperchio esterno La rimozione dei coperchi dovrebbe essere eseguita solo da personale qualificato Per una protezione costante contro pericoli d incendio utilizzare esclusivamente fusibili del tipo e dalle caratteristiche elettriche prescritte Pericolo sostanze tossiche Alcuni dei componenti usati in questo strumento possono contenere resine o altri materiali che se bruciati possono emettere fumi tossici Prendere quindi le opportune precauzioni nell uso di tali parti Berillio Berillio ossido di berillio utilizzato nella costruzione di alcuni componenti di quest apparato Questo materiale se inalato sotto forma di polvere fine o vapore pu causare malattie respiratorie Allo stato solido come usato qui pu essere maneggiato con sufficiente sicurezza anche se prudente evitare condizioni che provochino la formazione di polveri tramite abrasioni superficiali A cause di questi pericoli occorre essere molto prudenti nella rimozione e nella locazione di questi component
24. empty or 399 if the queue is full Example 100 Carrier Limit 3 29 Status byte The Status Byte provides information about events and conditions within the instrument It may be read by a conventional Serial Poll or its value obtained as a response to the STB query Bits 0 to 5 and bit 7 are each single bit Summary Messages which may be of two types or not used at all i Queue Status a 1 indicates that an associated Queue is non empty and has data available to be read ii Status Register Summary reports the occurrence of an enabled event monitored by a Status Register Structure The Service Request Enable Register determines which of the bits can generate an SRQ This register may be set by SRE or read by SRE If the bitwise AND of the Status Byte and the Enable Register is non zero the Flag Master Summary Status lt mss gt is True Bit 6 of the Status Byte value read by STB holds lt mss gt However bit 6 of the Status Byte when Serial Polled is the Request For Service bit used to determine which device on the Bus has asserted SRQ and is cleared by a Serial Poll The IEEE 488 2 Standard defines bit 4 as Message Available lt mav gt the Queue Summary for the Output Buffer indicating whether any part of a Response Messages is available to be read Bit 5 is the Event Summary Bit lt esb gt the Summary Message from the Standard Event Status Register With this instrument bit 7 is a Queue Summary for the Er
25. in a 1 Hz bandwidth checking that the result is within the specification shown in Table 5 21 5 9 Internal FM Specification Deviation range 0 to 100 kHz Resolution 3 digits or 1 Hz Accuracy 5 at 1 kHz modulation rate Bandwidth 1 dB DC to 100 kHz DC coupled 10 Hz to 100 kHz AC coupled 20 Hz to 100 kHz AC coupled with ALC Carrier frequency offset Less than 1 of the set frequency deviation when DC coupled Distortion Less than 3 at 1 kHz rate for deviations up to 100 kHz Typically lt 0 5 at 1 kHz rate for deviations up to 10 kHz FSK 2 level or 4 level FSK Note that 4 FSK is not available with Option 11 Fast Pulse fitted Test equipment Modulation meter FM accuracy 1 at 1 kHz modulation frequency IFR 2305 with distortion option DVM DC voltage measurement Solartron 7150 50 Q load 1 W 50 nominal impedance DC to 2 4 GHz Lucas Weinschel termination M1404N Audio analyzer Capable of measuring THD of 0 01 from 100 Hz Rohde amp to 20 kHz Schwarz UPA3 Function DC to 100 kHz sine 0 6 dB flatness Agilent 3325B generator FM deviation and distortion Test procedure 2305 UUT Modulation meter IS RF OUT a RF INPUT 17 Q o 2564 Fig 5 7 Internal modulation and modulation
26. in the form of fine dust or vapour and inhaled into the lungs can cause a respiratory disease In its solid form as used here it can be handled quite safely although it is prudent to avoid handling conditions which promote dust formation by surface abrasion Because of this hazard you are advised to be very careful in removing and disposing of these components Do not put them in the general industrial or domestic waste or despatch them by post They should be separately and securely packed and clearly identified to show the nature of the hazard and then disposed of in a safe manner by an authorized toxic waste contractor Beryllium copper Some mechanical components within this instrument are manufactured from beryllium copper This is an alloy with a beryllium content of approximately 5 It represents no risk in normal use The material should not be machined welded or subjected to any process where heat is involved It must be disposed of as special waste It must NOT be disposed of by incineration CAUTION A Static sensitive components This equipment contains static sensitive components which may be damaged by handling refer to the Maintenance Manual for handling precautions CAUTION Voltage restraint Excessive voltages can damage the instrument Ensure that applied signal voltages are within the limits marked on the front panel vi CAUTION Installation Never insert or remove the instrument when the mainframe
27. is already powered up Always switch the mainframe off first and then on again afterwards then run the resource manager again for normal operation CAUTION Suitability for use This equipment has been designed and manufactured by Aeroflex to generate low power RF signals for testing radio communications apparatus If the equipment is not used in a manner specified by Aeroflex the protection provided by the equipment may be impaired Aeroflex has no control over the use of this equipment and cannot be held responsible for events arising from its use other than for its intended purpose vii Pr cautions WARNING CAUTION Note Les termes suivants ont dans ce manuel des significations particuli res WARNING contient des informations pour viter toute blessure au personnel CAUTION contient des informations pour viter les dommages aux quipements Note contient d importantes informations d ordre g n ral Symboles signalant un risque La signification des symboles de danger apparaissant sur l quipement et dans la documentation est la suivante Symbole Nature du risque N Reportez vous au manuel d utilisation quand ce symbole appara t sur l instrument Familiarisez vous avec la nature du danger et la conduite tenir Danger produits toxiques Conditions g n rales d utilisation Ce produit a t concu et test pour tre conforme aux exigences des normes CEI EN61010 1
28. lt newline gt END A message unit consists of a mnemonic header which may be followed by data If data follows then it must be separated from its header by at least one space lt header gt lt SPACE gt lt data gt e g RFLV INC 6 0 dB Spaces may be freely inserted in a message to improve readability except within a header or within data A header may be a command or a query A query has a as its final character and causes the generation of a response message which will be read by the controller Common commands and queries defined in IEEE 488 2 begin with a Upper and lower case characters are considered equivalent i e FM fm Fm fM are all interpreted by the instrument in the same way Compound headers The instrument implements compound headers which allows a complex set of commands to be built up from a small set of basic elements in a tree and branch structure The elements of a compound header are separated by a colon Spaces are not allowed within a header Special rules apply when more than one compound header is used in one message When the separator is encountered all headers except the trailing element of the previous header in the message are assumed to precede the following header for example AM DEPTH 30PCT ON is equivalent to the two commands AM DEPTH 30PCT and AM ON This does not apply to common commands RST etc The rule may be overridden by preceding a header with a colon for ex
29. lt nr2 gt lt src gt lt status gt INC lt nr2 gt where lt src gt is a program mnemonic representing the source of the modulation signal and lt status gt is a program mnemonic indicating whether the phase modulation is locally ON or OFF PM2 DEVN 2 30 INT OFF INC 0 05 Prepares message containing information on PM modulation oscillator setting in one of the following formats PM MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt PMI MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt PM2 MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt where lt shape gt is a program mnemonic representing the waveform shape PM2 MODF VALUE 2500 00 TRI INC 500 00 Amplitude modulation These commands enable you to select amplitude modulation either as a single modulation or as the sum of two signals to set the AM depth as a percentage and to switch the modulation on and off You can set the modulation oscillator frequency and select between sine triangle and square waveforms Also the phase difference of modulation oscillator channel 2 relative to channel 1 can be offset in degrees to a resolution of 0 1 Both modulation depth and modulation oscillator frequency can have their step sizes set and then be stepped up or down And after having adjusted the modulation depth or the modulation oscillator frequency you can either return to the reference depth or frequency or make the current value the new reference AM or AM1 or
30. of sweep d4 not used not used d2 selfcal in progress selfcal completed d3 DC FM null in progress DC FM null completed dq d45 not used not used lt ssb gt instrument event register summary bit 3 35 STATUS BYTE Queue flag details Input from all Error Conditions Status Byte amp Enable Register non zero From Standard Event Registers Response Message Device Dependant Errors d de d d ds de d d Status Byte Register Data from Output Queue C0075 The lt mav gt status bit is set when one or more bytes are available to be read from the Output Queue The lt erb gt status bit is set when one or more errors are present in the Error Queue The ERROR query will place a nrl and string response message in the Output Queue representing the error at the head of the queue If the queue is empty this message will be 0 No error 3 36 STATUS BYTE Status byte when read by STB Note Status Byte Register ds d d d eee Register Read Command Y STB SRE SRE 4 d d ds d ds do d d Register Read Write Service Request Enable Register C0073 Commands Bit 6 in this register ignores data sent by SRE and always returns 0 in response to SRE lt rqs gt lt esb gt and lt mav gt are defined in IEEE 488 2 lt erb gt is a device defined queue summary bit indicating that the error queue is non empty lt mss gt is true when Status Byte
31. 0 30 950 30 30 1200 30 30 1201 30 30 1500 30 30 1900 30 30 2400 30 30 5 37 Table 5 16 Carrier harmonic tests at 7 dBm Carrier 2nd harmonic Result MHz 3rd harmonic Result MHz frequency MHz max level max level dBc 5 38 Table 5 17 Carrier harmonic tests at 13 dBm Carrier 2nd harmonic Result MHz 3rd harmonic Result MHz frequency MHz max level max level dBc 5 39 Table 5 18 Carrier harmonic tests at 19 dBm Carrier 2nd harmonic Result MHz 3rd harmonic Result MHz frequency MHz max level max level dBc dBc 5 40 Carrier frequency MHz 1201 1201 1599 1599 1601 1601 1999 1999 2001 2001 2400 2400 9 9 Table 5 19 Carrier non harmonic tests Sub harmonic output Sub harmonic output Non Result dBc harmonic level dBc Non Non harmonic frequency MHz 800 6667 64 400 3333 64 1066 64 533 64 1200 75 _64 800 5 _64 1499 25 64 999 5 64 1600 8 60 1200 6 60 1920 60 1440 60 100 000016 70 harmonic level dBc Result dBc Non harmonic frequency MHz 1601 3333 2001 6667 2132 2665 2001 25 2401 5 2498 75 2998 5 2401 2 2801 4 2880 3360 109 900008 Table 5 20 Residual FM test Carrier frequency Residual FM 1 GHz lt 4 5 Hz RMS Table 5 21 SSB phase noise test 470 MHz Carrier frequency SSB phase noise at 20 kHz offset lt 124 dBc Hz 5 41 Me
32. 02 Signal Generator may be via the VXI TTL triggers 0 7 the trigger command TRG message or front panel input Calibration data All alignment data is digitally derived Realignment can be undertaken without removing covers by protected functions via the VXI interface 1 2 Performance data GENERAL DESCRIPTION CARRIER FREQUENCY Range Resolution Accuracy RF OUTPUT Range Resolution Accuracy Attenuator hold VSWR Output impedance Output protection SPECTRAL PURITY Harmonics Non harmonics offsets gt 3 kHz Residual FM FM off SSB phase noise on AM MODULATION z JO cis i 2 Ow The 3002 is a synthesized VXI signal generator covering the frequency range 9 kHz to 2 4 GHz The RF output can be amplitude frequency phase or pulse modulated An internal programmable AF source is capable of generating simultaneous two tone modulation All functions can be controlled by an IEEE 488 2 message based interface 9 kHz to 2 4 GHz 1 Hz Equal to the frequency standard accuracy Accuracy over temperature range 17 C to 27 C 9kHzto12GHz 1 2 GHz to 2 4 GHz gt 127 dBm 1 0 dB 2 0 dB oo Temperature coeff over temperature range 0 C to 55 C 9kHzto12GHz 1 2 GHz to 2 4 GHz 002 dB C lt 0 04 dB 137 dBm to 25 dBm 19 dBm above 1 2 GHz When AM is selected the maximum RF output level decreases linearly with increasing AM depths to
33. 02 VXI Signal Generator 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 end of this chapter are a set of results tables which give all the test points for each of the tests These tables should be photocopied and used to record the results of all the measurements taken RF output Specification Range 137 dBm to 25 dBm 19 dBm above 1 2 GHz When AM is selected the maximum RF output level decreases linearly with increasing AM depths to 19 dBm 13 dBm above 1 2 GHz at 99 depth Accuracy Accuracy over temperature range 17 C to 27 C 9 kHz to 1 2 GHz 1 2 GHz to 2 4 GHz gt 127 dBm 1 0 dB 2 0 dB Temperature coeff over temperature range 0 C to 55 C 9kHzto12GHz 1 2 GHz to 2 4 GHz 002 dB C lt 0 04 dB C VSWR For output levels less than 5 dBm output VSWR is less than 1 3 1 for carrier frequencies up to 1 2 GHz and less than 1 5 1 for carrier frequencies up to 2 4 GHz Output impedance 50 Q SMA female connector to MIL 390123D Test equipment Power meter 0 1 dB from 9 kHz to 2 4 GHz IFR 6960B and 6932 Measuring 0 dBm to 127 dBm 2 5 MHz to 2 4 GHz Agilent 8902A receiver with 11722A sensor and 11793A down converter Signal generator 8 dBm from 32 5 MHz to 2 43 GHz IFR 2041 5 3 RF level frequency response Test procedure 1 2 3
34. 09 5541 Fax 358 9 804 2441 FRANCE Tel 33 1 60 79 96 00 Fax 33 1 60 77 69 22 GERMANY Tel 49 8131 2926 0 Fax 49 8131 2926 130 HONG KONG Tel 852 2832 7988 Fax 852 2834 5364 INDIA Tel 91 80 5115 4501 Fax 91 80 5115 4502 EROFLEX KOREA Tel 82 2 3424 2719 Fax 82 2 3424 8620 SCANDINAVIA Tel 45 9614 0045 Fax 45 9614 0047 SPAIN Tel 34 91 640 11 34 Fax 34 91 640 06 40 UK Burnham Tel 44 0 1628 604455 Fax 44 0 1628 662017 UK Stevenage Tel 44 0 1438 742200 Fax 44 0 1438 727601 Freephone 0800 282388 USA Tel 1 316 522 4981 Fax 1 316 522 1360 Toll Free 800 835 2352 As we are always seeking to improve our products the information in this document gives only a general indication of the product capacity performance and suitability none of which shall form part of any contract We reserve the right to make design changes without notice web www aeroflex com Email info test aeroflex com November 2005
35. 1 2 3 4 5 6 7 8 9 Connect the test equipment as shown in Fig 5 8 On the UUT set Carr Freq 400 MHz RF Level 4 dBm Mod Mode AM External AMI Level 80 Source On Mod On DC coupling Set the function generator to give 1 V RMS 1 kHz sine wave On the modulation meter select CAL AM 10 Hz gt 300 KHz filter On the modulation meter check that the AM reading is between 76 and 84 then set a reference using the relative function Record the absolute reading for use in the formula in 16 below Set the function generator to each of the frequencies shown in Table 5 35 checking that the relative readings on the modulation meter are within specification Set the UUT RF level to 7 dBm and repeat 3 to 7 using Table 5 36 Set the UUT RF level to 13 dBm and repeat 3 to 7 using Table 5 37 5 16 0 Hz DC To measure the AM depth at DC it will be necessary to use the DC offset facility on the function generator proceeding as follows 9 10 11 12 13 14 15 16 17 18 6960B UUT RF power meter Function generator 8 RF a u gt 9 8000 EXT MOD OUTPUT INPUT 6912 SENSOR Temporary d Power INPUT connection 50 Q sensor load DVM C2566 Fig 5 9 0 Hz external AM and distortion test set up Connect the t
36. 1 dB Distortion Modulation source PULSE MODULATION Carrier frequency range RF level range RF level accuracy Control ON OFF ratio Rise and fall time to 2 GHz Range 0 to 99 9 Resolution 0 1 Accuracy 5 of set depth at 1 kHz rate at 17 C to 27 C ambient temperature Temperature coefficient lt 0 02 per C DC to 30 kHz DC coupled 10 Hz to 30 kHz AC coupled 20 Hz to 30 kHz AC coupled with ALC Less than 2 5 at 1 kHz rate for modulation depths up to 80 Less than 1 5 at 1 kHz rate for modulation depths up to 30 Internal LF generator or external via front panel BNC 32 MHz to 2 4 GHz usable to 10 MHz Maximum guaranteed output is reduced to 20 dBm 14 dBm above 1 2 GHz When pulse modulation is enabled adds 0 5 dB to the RF level accuracy TTL CMOS compatible pulse input is on front panel BNC connector with 10 kQ input impedance A logical 1 3 5 V to 5 V turns the carrier on a logical 0 0 V to 1 V turns the carrier off Maximum safe input is 15 V Better than 45 dB below 1 2 GHz Better than 40 dB above 1 2 GHz Less than 10 us INTERNAL LF GENERATOR Frequency range Resolution Frequency accuracy Distortion Waveforms Audio output EXTERNAL MODULATION INPUT Input level Input impedance Modulation ALC SWEEP MODE Control parameters Sweep time Linear sweep Logarithmic sweep Sweep mode Trigger mode FREQUENCY STANDARD TCXO Temperature stability Ag
37. 19 dBm 13 dBm above 1 2 GHz at 99 depth 0 1 dB Selection of attenuator hold provides for uncalibrated level reduction of at least 10 dB without the mechanical attenuator operating For output levels less than 5 dBm output VSWR is less than 1 3 1 for carrier frequencies up to 1 2 GHz and less than 1 5 1 for carrier frequencies up to 2 4 GHz 50 Q SMA female connector to MIL 390123D Protected from a source of reverse power up to 50 W from 50 Q or 25 W from a source VSWR of 5 1 Tripping of the reverse power protection circuit illuminates a front panel LED and raises an interrupt The protection circuit can be reset remotely Typically better than 30 dBc for levels up to 7 dBm typically better than 25 dBc for levels 6 dB below the maximum specified output Better than 70 dBc for carrier frequencies up to 1 GHz better than 64 dBc for carrier frequencies above 1 GHz better than 60 dBc for carrier frequencies above 2 GHz Less than 4 5 Hz RMS in a 300 Hz to 3 4 kHz bandwidth at a carrier frequency of 1 GHz Better than 124 dBc Hz at 20 kHz offset from a 470 MHz carrier Typically 121 dBc Hz at 20 kHz offset from a 1 GHz carrier Typically 0 1 radians at 30 depth at 470 MHz Internal and external modulation can be simultaneously enabled to produce combined amplitude and frequency or phase modulation Pulse modulation can be used in combination with the other forms of modulation 1 3 FREQUENCY MODULATION FSK
38. AIL POWER OK RPP TRIP FREQ STD I O EXT MOD INPUT TRIGGER INPUT PULSE INPUT LF OUTPUT OG CO Switching on INSTALLATION AND POWER UP 50 Q SMA type socket Protected against the application of reverse power of up to This red LED lights to indicate that the signal generator has failed or is in the process of executing its self test It indicates the condition of the VXI bus SYSFAIL line The LED will continue to be lit whilst the self test is in progress even when SYSFAIL is inhibited by the commander This green LED lights to indicate that power is being supplied to the signal generator All lines are continuously checked for sufficient voltage This red LED lights to indicate that the Reverse Power Protection RPP circuit has tripped The power source must be removed from the RF OUT socket BNC socket for the input of external standard frequencies of either 1 MHz or 10 MHz Also supplies a 10 MHz internal standard output BNC socket which allows an external modulating signal to be applied BNC socket which has three uses in priority order these are FSK logic input Memory sequencing Sweep trigger 10 kQ BNC socket which accepts a pulsed input Also used as one logic input the other is the TRIGGER INPUT for 4FSK modulation 600 Q BNC socket which monitors the modulation oscillator Insert the signal generator module in the required slot in the mainframe and screw in the retaining screws Switch th
39. AM2 DEPTH INC Data type Allowed suffices Default suffix lt src gt ON OFF UP DN RETN XFER Data type Allowed suffices Default suffix Examples MODF VALUE INC Data type Allowed suffices Default suffix UP DN RETN XFER SIN TRI SQR Data type Allowed suffices Default suffix PHASE Examples Set AM Depth short form Set AM Depth Set AM step size Decimal Numeric Program Data PCT PCT Select modulation source where lt src gt is any one of INT EXTAC EXTALC or EXTDC Turn AM ON locally Turn AM OFF locally Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting None None None AM DEPTH 30 5PCT EXTAC ON AM1 DEPTH 40PCT INT OFF Set AM modulation oscillator frequency short form Set AM modulation oscillator frequency Set AM modulation oscillator frequency step size Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting Select sinusoidal waveform Select triangle waveform Select square waveform None None None Set phase offset of AM2 relative to AM1 AM2 MODF VALUE 15 5KHZ TRI INC 500HZ AM MODF PHASE 5DEG 3 16 AM or AM1 or AM2 Example AM MODF or AM1 MODF or AM2 MODF Example Prepares message containing information on Amplitude Modulation setti
40. AND Enable register gt 0 lt esb gt is the standard event register summary bit lt mav gt is message available indicating that the output queue is non empty lt hsb gt is hardware status summary bit lt csb gt is coupling status summary bit lt ssb gt is instrument status summary bit The Status Byte Register is Not cleared by the STB query 3 37 STATUS BYTE Status byte when read by serial poll Status Byte Register d ds ds d d d 4 d d Service Request Generation SRE SRE d de ds d d 9 d do Register Read Write Service Request Enable Register C0074 Commands Bit 6 in this register ignores data sent by SRE and always returns 0 in response to SRE lt erb gt is a device defined queue summary bit indicating that the error queue is non empty lt rqs gt is set by a request for service and is cleared by the poll lt esb gt is the standard event register summary bit lt mav gt is message available indicating that the output queue is non empty lt hsb gt is hardware status summary bit lt csb gt is coupling status summary bit lt ssb gt is instrument status summary bit lt rqs gt lt esb gt and lt mav gt are defined in IEEE 488 2 lt rqs gt request for service will produce an SRQ at the controller It is set by a change to either the Status Byte or the Service Enable Register that results in a New Reason for Service
41. At 1200 MHz disconnect the UUT internal frequency standard from the counter and instead apply the external reference Check the result against the limits The test limits quoted are for guidance and assume that the internal frequency standard has recently been adjusted Aging and stability have to be considered when establishing the real test limits see Performance data in Chapter 1 5 6 Spectral purity Specification Harmonics Typically better than 30 dBc for levels up to 7 dBm typically better than 25 dBc for levels 6 dB below the maximum specified output Non harmonics offsets gt Better than 70 dBc for carrier frequencies up to 1 GHz 3 kHz better than 64 dBc for carrier frequencies above 1 GHz better than 60 dBc for carrier frequencies above 2 GHz Residual FM FM off Less than 4 5 Hz RMS in a 300 Hz to 3 4 kHz bandwidth at a carrier frequency of 1 GHz SSB phase noise Better than 124 dBc Hz at 20 kHz offset from a 470 MHz carrier Typically 121 dBc Hz at 20 kHz offset from a 1 GHz carrier Test equipment Spectrum DC to 7 2 GHz frequency coverage Anritsu MS2602A analyzer Measuring 0 dBm to 127 dBm 2 5 MHz to 2 4 GHz Capable Agilent 8902A receiver of measuring residual FM less than 2 Hz and SSB with option 037 phase noise lt 124 dBc Hz at 20 kHz offset from a 1 GHz carrier Signal generator 8 dBm from 32 5 MHz to 2 43 GHz IFR 2041 Harmonics Test procedure RF OUT
42. It is cleared when mss goes FALSE i e no reason for service or by Serial Poll 3 38 Summary of status reporting commands and queries CLS ESE lt nrf gt ESE ESR SRE lt nrf gt SRE STB CCR CSE lt nrf gt CSE CSR HCR HSE lt nrf gt HSE HSR SCR SSE lt nrf gt SSE SSR lt nrf gt STATUS BYTE Clears Status Registers and the Error Queue Writes to Standard Event Enable Register Reads from Standard Event Enable Register Reads from Standard Event Status Register Writes to Service Request Enable Register Reads from Service Request Enable Register Reads from Status Byte Register Reads from Coupling Condition Register Writes to Coupling Status Enable Register Reads from Coupling Status Enable Register Reads from Coupling Status Register Reads from Hardware Condition Register Writes to Hardware Status Enable Register Reads from Hardware Status Enable Register Reads from Hardware Status Register Reads from Instrument Condition Register Writes to Instrument State Enable Register Reads from Instrument State Enable Register Reads from Instrument State Status Register Decimal Numeric Program Data All of the above queries respond with a nrl numeric format 3 39 Error messages Error handling Error messages are divided into four groups 1 Background errors represent a condition of the instrument 2 Foreground errors generally caused by the user 3 IEEE 4882 errors generated b
43. OCK Table 3 2 below applies to software versions 1 03 onwards Maximum level with attenuator lock on will reduce if AM or pulse modulation is applied Any user programmed limits for RF level or offsets will also affect the attenuator lock ranges Table 3 2 Attenuator lock ranges RF level Atten lock Atten lock setting dBm min dBm max dBm 3 27 STATUS BYTE Power up options These commands allow you to select between powering up with the factory settings given in Table 3 1 or with the settings of your choice stored in one of the full memory locations range 100 to 199 or carrier frequency memory locations range 0 to 99 POWUP MODE Data type Allowed suffices Default suffix MEM Data type Allowed suffices Default suffix Example POWUP Example Reverse power protection not used alone Select the power up mode The instrument can power up in either the factory preset mode or from a selected memory Character program data FACTORY or MEMORY None None Set the memory location for a memory power up Decimal Numeric Program Data None None POWUP MODE MEMORY POWUP MEM 172 Prepares message containing information on the instrument power up selection in the following format POWUP MODE MEMORY MEM 135 Accidental application of power to the RF OUT socket trips the reverse power protection circuit The following commands enable you to detect when the protection circuit has been trip
44. OMPOUND QUERY PROGRAM HEADER gt lt PROGRAM HEADER SEPARATOR gt lt PROGRAM DATA gt lt PROGRAM DATA SEPARATOR gt lt DECIMAL NUMERIC PROGRAM DATA gt lt CHARACTER PROGRAM DATA gt lt SUFFIX PROGRAM DATA gt lt STRING PROGRAM DATA gt lt ARBITRARY BLOCK PROGRAM DATA gt Device talking elements The following is a list of the device talking elements as defined in the IEEE 488 2 standard which are used in the instrument lt RESPONSE MESSAGE gt lt RESPONSE MESSAGE TERMINATOR gt lt RESPONSE MESSAGE UNIT gt lt RESPONSE MESSAGE UNIT SEPARATOR gt lt COMPOUND RESPONSE HEADER gt lt RESPONSE HEADER SEPARATOR gt lt RESPONSE DATA gt lt RESPONSE DATA SEPARATOR gt lt NR1 NUMERIC RESPONSE DATA gt lt NR2 NUMERIC RESPONSE DATA gt lt ARBITRARY ASCII RESPONSE DATA gt lt CHARACTER RESPONSE DATA gt lt STRING RESPONSE DATA gt lt DEFINITE LENGTH ARBITRARY BLOCK RESPONSE DATA gt 3 1 Programming Program messages Note A message consists of one or more message units Message units are separated by a semi colon The whole message is ended by the Program Message Terminator or End Of Message defined as one of the following 1 lt newline gt ASCII 10 often known as line feed or 2 lt newline gt END the EOI line is asserted as well or 3 END EOI is asserted in the last data byte of the message A response message is always terminated by lt EOM gt consisting of
45. OT START STOP Data type Allowed suffices Default suffix ON OFF Data type Allowed suffices Default suffix Examples not used alone Set the start of the memory block which is to be protected unprotected Set the end of the memory block which is to be protected unprotected Decimal Numeric Program Data None None Set memory protection ON for the selected memory block Set memory protection OFF i e unprotected for the selected memory block None None None MPROT START 100 STOP 150 MPROT ON 3 22 Sweep operation These commands allow you to configure the instrument as a swept carrier signal generator where you define the start and stop frequencies the step size and time per step Note that these commands also appear under Carrier frequency To make these commands operational they must first be enabled by the CFRQ MODE SWEPT command For triggering methods refer to Trigger source at the end of this section Sweeps may be linear or logarithmic For linear sweeps set the step size in the range 1 Hz to the instrument maximum frequency to a resolution of 1 Hz For logarithmic sweeps set the step size in the range of 0 01 to 50 00 to a resolution of 0 01 SWEEP CFRQ START STOP INC Data type Allowed suffices Default suffix LOGINC TIME Data type Allowed suffices Default suffix Example SWEEP CFRQ Example not used alone Optional command may be
46. Regles de s curit pour appareils lectriques de mesurage de r gulation et de laboratoire pour des quipements Classe III portables et pour une utilisation dans un environnement de pollution de niveau 2 Cet quipement est concu pour fonctionner partir d une alimentation de cat gorie I Cet quipement doit tre prot g de l introduction de liquides ainsi que des pr cipitations d eau de neige etc Lorsqu on transporte cet quipement d un environnement chaud vers un environnement froid il est important de laisser l quipement se stabiliser en temp rature avant de le connecter une alimentation afin d viter toute formation de condensation L appareil doit tre utilis uniquement dans le cadre des conditions d environnement sp cifi es au chapitre 1 Performance data du manuel d utilisation toute autre utilisation peut endommager les syst mes de protection Ce produit n est pas garanti pour fonctionner dans des atmospheres dangereuses ou pour un usage m dical Si l quipement doit tre utilis pour des applications en relation avec la s curit par exemple des applications militaires ou a ronautiques la compatibilit du produit doit tre tablie et approuv e par une personne comp tente WARNING N S curit lectrique tension d alimentation continue Cet quipement est conforme aux normes de s curit CEI Classe III c est dire qu il ne doit tre connect qu des sources d alimentation ou de sig
47. Returns an arbitrary ASCII response containing a data field for each fitted option in the format lt option a gt lt option b gt lt option n gt lt EOM gt If no options are fitted ASCII 0 is returned Note Because an Arbitrary ASCII Response ends with the Response Message Terminator lt EOM gt either IDN or OPT must be the last Query Message Unit in a Program Message 3 3 RST Reset Command Sets the instrument functions to the factory default power up State TST Self Test Query Returns a 0 when the VXI interface and processor are operating OPC Operation Complete Command Sets the Operation Complete bit in the Standard Event Status Register when execution of the preceding operation is complete OPC Operation Complete Query Returns a 1 when the preceding operation has been completed WAI Wait to Continue Command Inhibits execution of an overlapped command until the execution of the preceding operation has been completed TRG Trigger Command Equivalent to Group Execute Trigger STB Read Status Byte Query Returns the value of the Status Byte as an nrl number 0 255 SRE lt nrf gt Service Request Enable Command Sets the Service Request Enable Register SRE Service Request Enable Query Returns the value of the Service Request Enable Register as nrl ESR Standard Event Status Register Query Returns the value of the Status Event Status Register as nrl ESE lt nrf gt Standard Event S
48. Table 5 44 Modulation oscillator distortion and LF output tests Mod oscillator Response Response Distortion Result frequency Hz level min level max dB dB reference Table 5 45 External frequency standard tests External signal Locked v 5 51 Annex A OPTION 11 FAST PULSE MODULATION General description Option 11 adds the ability for the instrument to internally generate a fast pulse modulated waveform from logic levels applied to the PULSE INPUT socket The pulse modulator is suitable for generating fast pulses with high isolation for applications in radar and EMI It may be used in conjunction with other forms of modulation to form composite signals Familiarity with normal operation of the signal generator is assumed Operation Fast pulse modulation is automatically applied when Option 11 is fitted Acceptance testing The following acceptance tests supersede those given under Pulse modulation in Chapter 5 Pulse modulation Specification Pulse modulation Carrier frequency range 100 kHz to 2 4 GHz usable to 9 kHz RF output range As standard instrument with the exception that maximum output level is reduced by 3 dB when pulse modulation is enabled RF level accuracy Additional 0 01 dB C temperature coefficient when pulse modulation enabled Adds 0 25 dB for carrier frequencies below 10 MHz On off ratio gt 80 dBc below 1 2 GHz gt 70 dBc up to 2 05 GHz typically gt 80 dB
49. Turn FM OFF locally Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting None None None FM DEVN 25KHZ INT ON FM1 DEVN 15KHZ INC 1KHZ EXTDC Set FM modulation oscillator frequency short form Set FM modulation oscillator frequency Set FM modulation oscillator frequency step size Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting Select sinusoidal waveform Select triangle waveform Select square waveform None None None 3 12 PHASE Data type Allowed suffices Default suffix Examples DCFMNL Data type Allowed suffices Default suffix Example FM or FM1 or FM2 Example FM MODF or FM1 MODF or FM2 MODF Example Set phase offset of FM2 relative to Decimal Numeric Program Data DEG DEG FM2 MODF VALUE 1 5KHZ SIN FM MODF PHASE 1 2DEG Perform DC FM null operation only for EXTDC mode None None None DCFMNL Prepares message containing information on FM setting in one of the following formats FM DEVN lt nr2 gt lt src gt lt status gt INC lt nr2 gt FM1 DEVN lt nr2 gt lt sre gt lt status gt INC lt nr2 gt FM2 DEVN lt nr2 gt lt src gt lt status gt INC lt nr2 gt where lt src gt is a program mnemonic representing the source of the modulation signal and lt sta
50. a HOLD IMMEDIATE TTLTRGO TTLTRGI TTLTRG2 TTLTRG3 TTLTRG4 TTLTRG5 TTLTRG6 TTLTRG7 BUS EXTERNAL HOLD means no trigger Allowed suffices None Default suffix None Example TRIGGER SOURCE EXTERNAL TRIGGER SOURCE Prepares message containing information on Trigger Source setting in the following format TRIGGER SOURCE source where source is character program data defining the trigger Source Examples TRIGGER SOURCE EXTERNAL TRIGGER SOURCE TTLTRG3 BUS The trigger is generated over the GPIB or VXI interface The group execute trigger GET provides the trigger over IEEE 488 1 HOLD Selecting this means the event detection is disabled IMMEDIATE No waiting for an event to occur TTLTRG 0 7 The VXI backplane TTLTRG triggers provide the source EXTERNAL An external trigger is provided via the TRIGGER INPUT socket 3 26 Miscellaneous commands Attenuator hold The ATTEN LOCK command allows you to reduce the RF level by at least another 10 dB without the step attenuator operating ATTEN not used alone LOCK Lock the Attenuators UNLOCK Unlock the Attenuators Datatype None Allowed suffices None Default suffix None Example ATTEN LOCK ATTEN Prepares message containing information on whether the Attenuators are locked or unlocked in the following format ATTEN lt status gt where lt status gt is a program mnemonic indicating whether the attenuators are locked or unlocked Example ATTEN L
51. ables the instrument outputs such that the outputs will adjust to the values specified by commands sent while the outputs were disabled Note It is up to the user to ensure that the last command sent prior to OUTPUT ENABLE is such that the RF output is set to a safe level None None None OUTPUT DISABLE CFRQ 300MHZ RFLV 10DBM MODE AM AM 40PCT AM ON MOD ON STO 200 CFRQ 400MHZ RFLV 7DBM STO 201 CFRQ 500MHZ RFLV 5DBM STO 202 CFRQ 600MHZ RFLV 4DBM STO 203 OUTPUT ENABLE RCL 200 RCL 201 RCL 202 RCL 203 Prepares message containing information on output control setting in the following format OUTPUT lt status gt where lt status gt is a program mnemonic indicating whether the output control is ENABLED or DISABLED OUTPUT ENABLE OUTPUT DISABLE 3 9 Modulation mode These commands allow you to select the modulation mode between amplitude frequency and phase modulation as well as binary 2 level and quadrature 4 level frequency shift keying Binary FSK results from a logic level digital signal applied to the TRIGGER INPUT socket Quadrature FSK is achieved using both the TRIGGER INPUT and PULSE INPUT sockets Also pulse modulation may be selected from a signal connected to the PULSE INPUT socket These modulations may be used in the combinations shown in the table below Additionally an external signal applied to the EXT MOD INPUT socket can be combined with any selected modulation comb
52. all the instrument first set the logical address see Setting logical address above if required then slide the module into the mainframe ensuring that the top and bottom card guides are in the slots Ensure that the rear connectors are seated properly and screw in the front panel retaining screws The instrument is now ready to power up CAUTION Never insert or remove the instrument when the mainframe is already powered up Routine safety testing and inspection 1 Visual inspection In the UK the Electricity at Work Regulations 1989 section 4 2 places a requirement on the users of equipment to maintain it in a safe condition The explanatory notes call for regular inspections and tests together with a need to keep records This module is not designed to be connected to a supply or signals which present hazardous levels and no hazardous voltages are generated internally All such levels must be maintained within Separated Extra Low Voltage SELV or SELV E limits for continued safety No requirement therefore exists to carry out insulation tests on the module Periodic electrical tests and visual inspections should however be performed on the complete mainframe chassis by competent personnel Information should be sought from the mainframe supplier regarding the visual inspection earth bonding and insulation resistance test requirements Visually check that the module has been installed in accordance with the instructions provide
53. ameter the steps are preset to 1 kHz for carrier frequency 1 kHz for modulation oscillator 1 kHz for FM deviation 1 for AM depth 0 1 rad for DM and 1 dB for output level Frequency sweep The sweep capability of the instrument allows comprehensive testing of systems Sweeps may be logarithmic or linear Four parameters are used to specify sweep start stop step size and time per step all of which can be programmed by the user Sweep triggering can be programmed as single shot or continuous and can be initiated directly or on the detection of a trigger The triggering signal may be from a back plane trigger programmed or from a TTL CMOS signal applied to the front panel TRIGGER INPUT Memory The instrument provides both non volatile and volatile memory for storing instrument settings The non volatile memory provides 100 instrument settings and 100 settings of carrier frequency only The volatile memory RAM also provides 100 instrument settings Any one of the non volatile instrument settings can be selected as the power up setting for the instrument Memory sequencing A software facility allows sequences of stored instrument settings to be defined The incrementing facilities can then be used to cycle through the settings using the VXI trigger facilities Memory protection To prevent accidental change of the contents of the stored settings individual memories or ranges of memories can be write protected Triggers Triggering the 30
54. ample AM ON FM ON Most main functions have a short form of header which may be used for clarity and brevity in simple messages for example CFRQ 1 25GHZ is the same as CFRQ VALUE 1 25GHZ 3 2 Program data Data can take many forms as follows Decimal Numeric Data is a flexible numeric format which encompasses integer fixed point and floating point mantissa and exponent representations Data is rounded to a resolution appropriate to the function Decimal data can in most cases be followed by the appropriate units Ifno units are present the specified default units are assumed Character Data is an alphanumeric word String Data consists of a number of 7 bit ASCII characters enclosed in quotes either a pair of single ASCII 39 or double ASCII 34 quotes may be used Some commands can accept Multiple Data items which are separated by commas for example MODE FM AM Message exchange protocol The controller should not attempt to read a response until it has sent the entire query message terminated by EOM Also it should not start to send a new message until it has read the entire response terminated by EOM The query message may contain more than one query message unit but only one response message containing several response message units is generated Failure to follow the protocol will generate a query error INTERRUPTED error 450 occurs when the controller starts to send a new message before having read
55. applicable law are in lieu of any implied conditions guarantees or warranties whatsoever and whether statutory or otherwise as to the software all of which are hereby expressly excluded 8 INDEMNITY 8 1 Aeroflex shall defend at its expense any action brought against the Licensee alleging that the Licensed Software infringes any patent registered design trademark or copyright and shall pay all Licensor s costs and damages finally awarded up to an aggregate equivalent to the Licence fee provided the Licensee shall not have done or permitted to be done anything which may have been or become any such infringement and shall have exercised reasonable care in protecting the same failing which the Licensee shall indemnify Aeroflex against all claims costs and damages incurred and that Aeroflex is given prompt written notice of such claim and given information reasonable assistance and sole authority to defend or settle such claim on behalf of the Licensee In the defence or settlement of any such claim Aeroflex may obtain for the Licensee the right to continue using the Licensed Software or replace it or modify it so that it becomes non infringing 8 2 Aeroflex shall not be liable if the alleged infringement 8 2 1 is based upon the use of the Licensed Software in combination with other software not furnished by Aeroflex or 8 2 2 is based upon the use of the Licensed Software alone or in combination with other software in equipment not functionally i
56. asured value Hz RMS Measured value dBc Hz Table 5 22 Internal FM deviation and distortion tests at 100 kHz deviation Carrier FM deviation FM deviation Distortion Result frequency min kHz max kHz MHz 10 95 105 lt 3 10 144 95 105 lt 3 10 292 95 105 lt 3 10 441 95 105 lt 3 10 592 95 105 lt 3 10 746 95 105 lt 3 10 901 95 105 lt 3 11 059 95 105 lt 3 11 22 95 105 lt 3 11 382 95 105 lt 3 11 547 95 105 lt 3 11 714 95 105 lt 3 11 884 95 105 lt 3 12 056 95 105 lt 3 12 23 95 105 lt 3 12 5 95 105 lt 3 12 587 95 105 lt 3 12 77 95 105 lt 3 12 995 95 105 lt 3 13 143 95 105 lt 3 13 333 95 105 lt 3 Table 5 23 FM scale shape tests at 15 MHz carrier FM deviation kHz FM deviation FM deviation min kHz max kHz 5 42 Table 5 24 Carrier error test at 1 2 GHz FM deviation 100 kHz lt 1 kHz Table 5 25 External FM frequency response ALC off DC coupled 50 kHz deviation Modulation Response Result dB Response Distortion Result frequency kHz level min level max dB dB reference 5 43 Table 5 26 External FM frequency response ALC on 10 kHz deviation 0 75 V input Modulation Response Result dB Response frequency kHz level min level max dB dB reference Table 5 27 External FM frequency response ALC on 10 kHz deviation 1 25 V input Modulation Response Result dB Response Distortion Result freq
57. cas Si se va a utilizar el equipo en una aplicaci n con implicaciones en cuanto a seguridad como por ejemplo aplicaciones de avi nica o militares es preciso que un experto competente en materia de seguridad apruebe su uso N Nivel peligroso de electricidad tensi n de alimentaci n DC Este equipo cumple con la norma de seguridad IEC clase III lo que significa que para total seguridad debe ser conectado a alimentaciones y fuentes de sef al que cumplan los requerimientos de tensi n y aislamiento Tension Separada Extra Baja SELV y SELV E Ninguna tensi n generada internamente implica riesgo para el operario En el cap tulo 1 Especificaciones podr encontrar los valores m ximos permitidos que pueden aplicarse xvi No retire las cubiertas del chasis del instrumento ya que pudiera resultar dafiado personalmente No existen partes que puedan ser reparadas en su interior Deje todas las tareas relativas a reparacion a un servicio t cnico cualificado Vea la lista de Centros de Servicios Internacionales en la parte trasera del manual N Peligro de incendio El acceso a los fusibles de alimentaci n se lleva a cabo retirando la tapa exterior del equipo La retirada de las tapas deber efectuar a personal cualificado Para asegurar protecci n continuada frente a incendios los fusibles fundidos s lo deber n reemplazarse con aquellos del tipo y valores correctos Aviso de toxicidad Alguno de los componentes utilizad
58. cillator is provided having a frequency range of 0 01 Hz to 20 KHz The oscillator is capable of generating one or two modulation tones simultaneously in one modulation channel An independent BNC input on the front panel allows external modulation signals to be combined with 1 1 GENERAL INFORMATION the internal signal s These sources can be combined to give a number of modulation modes The pulse modulation can be used in combination with the other forms of modulation The frequency modulation range provides a 1 dB bandwidth of typically 100 kHz and provides FM deviation up to a maximum of 100 kHz AC or DC coupled FM can be selected Phase modulation is also available with a 10 kHz bandwidth up to a maximum of 10 radians Amplitude modulation with a 1 dB bandwidth of typically 30 kHz and with modulation depths of up to 99 9 is available with a resolution of 0 1 Pulse modulation is available as standard with typical rise and fall times of less than 10 us and 40 dB on off ratio The external input voltage required for 100 modulation is 1 V RMS 1 414 V peak To accommodate other signal levels Automatic Level Control ALC can be selected which provides correctly calibrated modulation for inputs between 0 75 and 1 25 V RMS HI and LO indications are reported when the input level is outside the range of the ALC system Incrementing All major parameters can be incremented or decremented in steps If no step size is programmed for a par
59. d e g that the ventilation is adequate all fixing screws are present and tightened and that all warning labels markings and supplied safety information are present and legible If any defect is noted this should be rectified before proceeding with further electrical tests No attempt should be made to perform high current earth bonding tests on the functional earths e g signal carrying connector shells or screen connections present on the module connectors High current earth bonding tests are also not recommended between the mainframe protective earth connector and the module front panel Serious damage may result to both the module and the mainframe if the module is not fully screwed into the mainframe during high current testing Low current earth bonding tests 1 mA to 100 mA should be performed to establish earth path continuity between the module front panel and the mainframe protective earth 2 Rectification It is recommended that the results of the above tests are recorded and checked during each repeat test Significant differences between the previous readings and measured values should be investigated If any failure is detected during the above visual inspection or tests the equipment should be disabled and the fault should be rectified by an experienced Service Engineer who is familiar with the hazards involved in carrying out such repairs Safety critical components should only be replaced with equivalent parts using tech
60. d short form Set RF Level offset for given frequency band Decimal Numeric Program Data DB only DB Enable offsets Disable offsets Save offsets in non volatile memory Prepares message containing information on RF Level setting in the following format RFLV UNITS lt unit gt TYPE lt type gt VALUE lt nr2 gt INC lt nr2 gt lt status gt where lt unit gt is character program data defining the default RF level units DBM DBV DBMV DBUV V MV or UV lt type gt is character program data indicating EMF or PD and lt status gt is a program mnemonic indicating whether the RF output is ON or OFF RFLV UNITS DBM TYPE PD VALUE 103 5 INC 2 0 ON RFLV UNITS DBV TYPE EMF VALUE 83 2 INC 0 5 0N Prepares message containing information on RF Level max limit setting in the following format RFLV LIMIT VALUE lt nr2 gt lt status gt RFLV LIMIT VALUE 20 0 ENABLE Prepares message containing information on RF Level offset in the following format RFLV OFFS VALUE lt nr2 gt lt status gt RFLV OFFS VALUE 3 2 ENABLE Output control These commands allow you to download and store settings without the output changing OUTPUT DISABLE ENABLE Data type Allowed suffices Default suffix Examples OUTPUT Examples not used alone Allows user to download and store settings in the normal way without the output of the instrument changing until the OUTPUT ENABLE command is received En
61. den Es darf nicht durch Verbrennung entsorgt werden CAUTION Eignung f r Gebrauch Dieses Ger t wurde von Aeroflex entwickelt und hergestellt um HF Signale geringer Leistung zum Test von Kommunikationseinrichtungen zu erzeugen Sollte das Ger t nicht auf die von Aeroflex vorgesehene Art und Weise verwendet werden kann die Schutzfunktion des Ger tes beeintr chtigt werden Aeroflex hat keinen Einflu auf die Art der Verwendung und bernimmt keinerlei Verantwortung bei unsachgem sser Handhabung xii Precauzioni WARNING CAUTION Note Questi termini vengono utilizzati in questo manuale con significati specifici WARNING riportano informazioni atte ad evitare possibili pericoli alla persona CAUTION riportano informazioni per evitare possibili pericoli all apparecchiatura Note riportano importanti informazioni di carattere generale Simboli di pericolo Il significato del simbolo di pericolo riportato sugli strumenti e nella documentazione il seguente Simbolo Tipo di pericolo N Fare riferimento al manuale operativo quando questo simbolo riportato sullo strumento Rendervi conto della natura del pericolo e delle precauzioni che dovrete prendere Pericolo sostanze tossiche Condizioni generali d uso Questo prodotto stato progettato e collaudato per rispondere ai requisiti della direttiva IEC EN61010 1 Safety requirements for electrical equipment for meas
62. den Das Ger t darf nur in Umgebungsbedingungen wie in Kapitel 1 Leistungsdaten Performance data der Bedienungsanleitung beschrieben betrieben werden ansonsten wird der vom Ger t vorgesehene Schutz des Anwenders beeintr chtigt Dieses Produkt ist nicht f r den Einsatz in gef hrlicher Umgebung z B Ex Bereich und f r medizinische Anwendungen gepr ft Sollte das Ger t f r den Einsatz in sicherheitsrelevanten Anwendungen wie z B im Flugverkehr oder bei militaerischen Anwendungen vorgesehen sein so ist dieser von einer f r diesen Bereich zust ndigen Person zu beurteilen und genehmigen N Elektrische Schl ge Gleichspannungsversorgung Dieses Ger t entspricht der IEC Sicherheitsklasse III Aus Sicherheitsgr nden darf es nur an Netzger te und Signalquellen angeschlossen werden die in Spannung und Isolation der SELV und SELV E Richtlinie gen gen Getrennte Niederspannung Im Ger t werden keine gef hrlichen Spannungen erzeugt Im Handbuch Kapitel 1 Performance data Leistungsdaten werden die anschlie baren H chstspannungen definiert ffnen Sie niemals das Geh use der Ger te das dies zu ernsthaften Verletzungen f hren kann Es gibt keine vom Anwender austauschbare Teile in diesem Ger t xi Lassen Sie alle Reparaturen durch qualifiziertes Personal durchf hren Eine Liste der Servicestellen finden Sie auf der Riickseite des Handbuches N Brandgefahr Der Zugriff auf die Netzsicherungen geschieht
63. dentical to the Designated Equipment or 8 2 3 arises as a result of Aeroflex having followed a properly authorised design or instruction of the Licensee or 8 2 4 arises out of the use of the Licensed Software in a country other than the one disclosed to Aeroflex as the intended country of use of the Licensed Software at the commencement of this Agreement 8 3 Aeroflex shall not be liable to the Licensee for any loss of use or for loss of profits or of contracts arising directly or indirectly out of any such infringement of patent registered design trademark or copyright 9 TERMINATION 9 1 Notwithstanding anything herein to the contrary this Licence shall forthwith determine if the Licensee 9 1 1 As an individual has a Receiving Order made against him or is adjudicated bankrupt or compounds with creditors or as a corporate body compounds with creditors or has a winding up order made against it or 9 1 2 Parts with possession of the Designated Equipment 9 2 This Licence may be terminated by notice in writing to the Licensee if the Licensee shall be in breach of any of its obligations hereunder and continue in such breach for a period of 21 days after notice thereof has been served on the Licensee 9 3 On termination of this Agreement for any reason Aeroflex may require the Licensee to return to Aeroflex all copies of the Licensed Software in the custody of the Licensee and the Licensee shall at its own cost and expense comply with such requir
64. distortion test set up 5 10 1 2 3 4 Connect the test equipment as shown in Fig 5 7 On the UUT set Carr Freq 10 MHz RF Level 0 dBm FMI Level 100 kHz Mod On Source On On the modulation meter select CAL FM 50 Hz gt 15 kHz filter Measure the FM accuracy and distortion at the carrier frequencies shown in Table 5 22 checking that the results are within specification FM scale shape Test procedure 1 2 3 4 Connect the test equipment as shown in Fig 5 7 On the UUT set Carr Freq 15 MHz RF Level 0 dBm FMI Level 100 kHz Mod On Source On On the modulation meter select CAL FM 50 Hz gt 15 kHz filter Measure the FM accuracy at the deviations shown in Table 5 23 checking that the results are within specification 5 11 Carrier error Test procedure 1 Connect the test equipment as shown in Fig 5 7 2 On the UUT set Carr Freq 1200 MHz RF Level 0 dBm 3 On the modulation meter select CARRIER ERROR The FREQUENCY display will read 0 00 kHz 4 On the UUT set Mod Mode FM External FMI Level 100 kHz Source On Mod On DC coupling Null DCFM 5 On the modulation meter measure the carrier frequency error displayed in the FREQUENCY window checking that the result is within the specification shown in Table 5 24 External FM frequency response ALC off DC coupled Test procedure 2305 T Modulation meter U c RF OUT alle
65. durch die Entfernung einer Abdeckung Die Entfernung der Abdeckungen sollte nur von qualifiziertem Personal ausgef hrt werden Zum Schutz gegen Brandgefahr d rfen die Sicherungen nur gegen solche gleichen Typs und Wertes ausgetauscht werden Warnung vor giftigen Substanzen In einigen Bauelementen dieses Ger ts k nnen Epoxyharze oder andere Materialien enthalten sein die im Brandfall giftige Gase erzeugen Bei der Entsorgung m ssen deshalb entsprechende Vorsichtsma nahmen getroffen werden Beryllium Oxid Beryllium Oxid wird in einigen Bauelementen verwendet Als Staub inhaliert kann Beryllium zu Sch digungen der Atemwege f hren In fester Form kann es ohne Gefahr gehandhabt werden wobei Staubabrieb vermieden werden sollte Wegen dieser Gefahren diirfen diese Bauelemente nur mit der entsprechenden Vorsicht ausgebaut und entsorgt werden Sie d rfen nicht mit Industrie oder Hausm ll vermengt oder per Post versandt werden Sie m ssen separat verpackt und entsprechend der Gef hrdung markiert werden Die Entsorgung mu ber einen autorisierten Fachbetrieb erfolgen Beryllium Kupfer In diesem Ger t sind einige mechanische Komponenten aus Beryllium Kupfer gefertigt Dies ist eine Verbindung welche aus einem Berylliumanteil von ca 5 besteht Bei normaler Verwendung besteht kein Gesundheitsrisiko Das Metall darf nicht bearbeitet geschwei t oder sonstiger W rmebehandlung ausgesetzt werden Es mu als Sonderm ll entsorgt wer
66. e function generator to provide 5 V DC The RF output will now be enabled Record the output level measured by the power meter against each of the carrier frequencies shown in Table A 1 checking that the results are within specification Set the UUT RF level to 0 dBm and repeat 5 using Table A 2 Set the UUT RF level to 16 dBm and repeat 5 using Table A 3 Pulse modulation on off ratio UUT RF Function generator o OUT gt INPUT COVO OUTPUT PULSE gt Spectrum analyzer RF INPUT 5358 Fig A 2 Pulse modulation on off ratio test set up Annex A 2 Test procedure 1 2 3 4 5 6 7 8 9 10 Press CAL on the spectrum analyzer Connect the test equipment as shown in Fig A 2 On the UUT set Carr Freq 100 kHz RF Level 0 dB Pulse ON Set the function generator to provide 5 V DC The RF output will now be enabled Tune the spectrum analyzer to the same frequency as the signal generator Press PEAK FIND on the spectrum analyzer and note the output level Apply a short circuit to the PULSE INPUT socket Again note the output level measured by the spectrum analyzer The difference between the levels recorded in 6 and 8 is the pulse mod on off ratio Check that the ratio is within specification using Table A 4 Repeat 5 to 9 for each of the
67. e mainframe on All three LEDs should initially light while the generator carries out its self checks When the unit passes its self checks and if there are no errors detected on the backplane the red SYSTEM FAIL and RPP LEDs will go out within 5 seconds and the green POWER OK LED will remain on Disk installation loading instructions LabWindows CVI Instrument Driver and VXI Plug and Play Soft Panel disks are supplied with this instrument Before inserting a disk in your disk drive read the installation or loading instructions given on the label of the appropriate disk Refer to read me files for further information Chapter 3 PROGRAMMING Introduction An IEEE 488 2 program interface is provided Ease of use is ensured by careful selection of mnemonics For example if carrier frequency and RF level are to be set to 2 54 MHz and 27 3 dBm respectively the VXI instruction message is CFRQ VALUE 2 54 MHZ lt EOM gt RFLV VALUE 27 3 DBM lt EOM gt For full information on the IEEE protocols and syntax the IEEE 488 2 standard should be consulted Device listening elements The following is a list of the device listening elements as defined in the IEEE 488 2 standard which are used in the instrument lt PROGRAM MESSAGE gt lt PROGRAM MESSAGE TERMINATOR gt lt PROGRAM MESSAGE UNIT gt lt PROGRAM MESSAGE UNIT SEPARATOR gt lt COMMAND MESSAGE UNIT gt lt QUERY MESSAGE UNIT gt lt COMPOUND COMMAND PROGRAM HEADER gt lt C
68. e measuring receiver select FM 300 Hz high pass filter 3 4 kHz low pass filter and enable averaging Measure the residual FM checking that the result is within the specification shown in Table 5 20 5 8 SSB phase noise Test procedure 1 2 3 4 5 6 7 8 9 10 UUT Signal generator o E E OUT a O Ft o B 88 000 000000 a J RF OUTPUT Measuring LO receiver 2563 Fig 5 6 SSB phase noise test set up Connect the test equipment as shown in Fig 5 6 On the UUT set Carr Freq 470 MHz RF Level 0 dBm On the measuring receiver Tune the receiver to 470 MHz Select 24 0 SPCL to enter selective power measurement mode Select 23 1 SPCL to set the LO to external Set the signal generator to a carrier frequency of 470 455 MHz RF level 0 dBm On the measuring receiver Select 24 5 SPCL to establish the IF reference value in volts Select 24 6 SPCL to set the reference to 0 dBm Fine tune the signal generator frequency until a maximum value is displayed on the measuring receiver Offset the signal generator by 20 kHz On the measuring receiver Select 24 7 SPCL to normalize the measurement for a 1 Hz bandwidth Offset the signal generator by 20 kHz Measure the level on the receiver the SSB phase noise
69. e not more than two copies of the Licensed Software but not the Authoring and Language Manuals in machine readable form for operational security and shall ensure that all such copies include Aeroflex s copyright notice together with any features which disclose the name of the Licensed Software and the Licensee Furthermore the Licensee shall not permit the Licensed Software or any part to be disclosed in any form to any third party and shall maintain the Licensed Software in secure premises to prevent any unauthorised disclosure The Licensee shall notify Aeroflex immediately if the Licensee has knowledge that any unlicensed party possesses the Licensed Software The Licensee s obligation to maintain confidentiality shall cease when the Licensed Software and all copies have been destroyed or returned The copyright in the Licensed Software shall remain with Aeroflex The Licensee will permit Aeroflex at all reasonable times to audit the use of the Licensed Software The Licensee will not disassemble or reverse engineer the Licensed Software nor sub licence lease rent or part with possession or otherwise transfer the whole or any part of the Licensed Software 5 WARRANTY 5 1 5 2 5 3 Aeroflex certifies that the Licensed Software supplied by Aeroflex will at the time of delivery function substantially in accordance with the applicable Software Product Descriptions Data Sheets or Product Specifications published by Aeroflex The warranty peri
70. easurement is dependent on specific instrument settings or special measurement techniques Test precautions To ensure minimum errors and uncertainties when making measurements it is important to observe the following precautions 1 Always use recently calibrated test equipment with any correction figures taken into account so as to establish a known traceable limit of performance uncertainty This uncertainty must be allowed for in determining the accuracy of measurements 2 A common external frequency standard with an accuracy of 1 part in 10 should be used for any frequency controlled test equipment 3 Use the shortest possible connecting leads 4 Some areas of the specification which are labeled typical rather than having clearly defined limits are not tested 5 1 Recommended test equipment The test equipment recommended for acceptance testing is shown below Alternative equipment may be used provided it complies with the stated minimum specification Power meter Measuring receiver Signal generator Frequency counter Audio analyzer Spectrum analyzer Modulation meter Function generator Digital voltmeter 50 Q load termination Oscilloscope Recommended test equipment Minimum specification Example 0 1 dB from 9 kHz to 2 4 GHz 0 dBm to 127 dBm 2 5 MHz to 2 4 GHz Capable of measuring residual FM less than 2 Hz and SSB phase noise lt 124 dBc Hz at 20 kHz offset from a 1 GHZ carr
71. ection After unpacking the equipment inspect the shipping container and its cushioning material for signs of stress or damage If damage is identified retain the packing material for examination by the carrier in the event that a claim is made Examine the equipment for signs of damage do not connect the equipment to a supply when damage is present internal electrical damage could result in shock if the equipment is turned on Setting logical address Before installing the signal generator in the VXI mainframe verify that the logical address is between 1 and 254 and does not clash with the logical address of any other device in the rack The logical address is set on a bank of 8 DIL switches These are located on the right hand side of the instrument Use some form of stylus e g a ball point pen to move the switches to form the binary address Logical addresses may be set in the range 1 to 254 Logical address 0 is reserved for slot 0 devices and logical address 255 is reserved for dynamically configured devices The 3002 VXI Signal Generator does not support dynamic configuration Ventilation requirements Ensure that the VXI signal generator module is supplied with adequate cooling i e 2 4 liter s at 1 mm H50 backpressure minimum per slot 2 1 INSTALLATION AND POWER UP Installing in VXI mainframe This instrument will take up two slots of a C sized VXI mainframe Before installation ensure that the mainframe power is off To inst
72. ement within 14 days and shall at the same time certify to Aeroflex in writing that all copies of the Licensed Software in whatever form have been obliterated from the Designated Equipment 10 THIRD PARTY LICENCES The software or part thereof may be the proprietary property of third party licensors In such an event such third party licensors as referenced on the package or the Order Acknowledgement and or Aeroflex may directly enforce the terms of this Agreement and may terminate the Agreement if the Licensee is in breach of the conditions contained herein 11 EXPORT REGULATIONS The Licensee undertakes that where necessary the Licensee will conform with all relevant export regulations imposed by the Governments of the United Kingdom and or the United State of America 12 NOTICES Any notice to be given by the Licensee to Aeroflex shall be addressed to Aeroflex International Limited Longacres House Six Hills Way Stevenage SG1 2AN UK 13 LAW AND JURISDICTION This Agreement shall be governed by the laws of England and shall be subject to the exclusive jurisdiction of the English courts This agreement constitutes the whole Contract between the parties and may be changed only by memorandum signed by both parties AEROFLEX INTERNATIONAL LTD 2004 48000 025 Issue 1 CHINA Beijing Tel 86 10 6539 1166 Fax 86 10 6539 1778 CHINA Shanghai Tel 86 21 5109 5128 Fax 86 21 5150 6112 FINLAND Tel 358 9 27
73. erence level You can set the units to a default if required For voltage related units you can select either EMF or PD You can also switch the output at the RF OUT socket off or on For attenuator hold see under Miscellaneous commands below You can also set your own maximum output power limit which allows you to protect sensitive devices connected to the RF OUT socket The maximum calibrated output level is 25 1 dBm up to 1 2 GHz and 19 dBm above this frequency Above 1 2 GHz an uncalibrated level up to 25 1 dBm is allowed The setting will be saved in non volatile memory so that when subsequently the instrument is switched on again it will be set with your specified RF level limit The RF offset function enables you to offset the RF output level to compensate for cable or switching losses or to standardize a group of instruments so that they give identical measurements One offset is allowed in each of the following ranges 9 kHz 150 MHz 150 MHz 300 MHz 300 MHz 600 MHz 600 MHz 1 2 GHz 1 2 GHz 2 4 GHz The entered carrier frequency automatically selects the appropriate frequency range over which the offset is applied Set the required positive or negative RF offset in the range 0 to 5 0 dB toa resolution of 0 1 dB For each required additional range enter the carrier frequency then the offset Ensure that your offsets are saved so that when subsequently the instrument is switched on again it will be set with your specified offset
74. est equipment as shown in Fig 5 9 Set the function generator to 1 4142 V DC temporarily connect the function generator output to the DVM and set this voltage as close as possible to 1 4142 V Measure the power on the power meter PI Set the function generator to 1 4142 V DC temporarily connect the function generator output to the DVM and set this voltage as close as possible to 1 4142 V Measure the power on the power meter P2 Subtract P2 from Pl x Calculate the modulation depth using the formula 100 20 AM 1 1020 Calculate the 0 Hz response relative to 1 kHz using the following formula recording the result in Table 5 35 2 iso Figure recorded in 6 Figure recorded in 15 Set the UUT RF level to 7 dBm and repeat 10 to 16 using Table 5 36 Set the UUT RF level to 13 dBm and repeat 10 to 16 using Table 5 37 5 17 Pulse modulation Does not apply to instruments fitted with Option 11 refer to Annex A Specification Carrier frequency range 32 MHz to 2 4 GHz usable to 10 MHz RF level range Maximum guaranteed output is reduced to 20 dBm 14 dBm above 1 2 GHz RF level accuracy When pulse modulation is enabled adds 0 5 dB to the RF level accuracy ON OFF ratio Better than 45 dB below 1 2 GHz Better than 40 dB above 1 2 GHz Rise and fall time Less than 10 us Test equipment Power meter 0 1 dB from 9 kHz to 2 4 GHz IFR 6960B and 6912 Spectrum
75. est procedure 1 2 3 4 5 6 7 8 9 Press CAL on the spectrum analyzer Connect the test equipment as shown in Fig 5 11 On the UUT set Carr Freq 32 MHz RF Level 0 dBm Pulse ON Set the function generator to provide 5 V DC The RF output will now be enabled Tune the spectrum analyzer to the same frequency as the signal generator Press PEAK FIND on the spectrum analyzer and note the output level Apply a short circuit to the PULSE INPUT socket Again note the output level measured by the spectrum analyzer The difference between the levels recorded in 6 and 8 is the pulse mod on off ratio Check that the ratio is within specification using Table 5 41 10 Repeat 5 to 9 for each of the frequencies shown in Table 5 41 5 19 Pulse modulation rise and fall time UUT RF Oscilloscope Function generator i OUT Y PULSE INPUT OUTPUT gt COCO C2567 Fig 5 12 Pulse modulation rise and fall time test set up Test procedure 1 2 3 4 5 6 Connect the test equipment as shown in Fig 5 12 On the UUT set Carr Freq 50 MHz RF Level 7 dBm Pulse ON Set the function generator to produce 10 kHz 0 V to 5 V square wave Adjust the oscilloscope controls such that the rise time of the envelope can be measured Measure the rise time between the 10 to 90 points
76. esult max Result at Result at frequency 30 depth 80 depth MHz lt 1 5 lt 2 5 5 46 Table 5 34 AM scale shape test AM depth AM depth min Result AM depth max Table 5 35 External AM frequency response ALC off DC coupled RF level 4 dBm Modulation Response Result dB Response level frequency kHz level min dB max dB reference Table 5 36 External AM frequency response ALC off DC coupled RF level 7 dBm Modulation Response Result dB Response level frequency kHz level min dB max dB reference 5 47 Table 5 37 External AM frequency response ALC off DC coupled RF level 13 dBm Modulation Response Result dB Response level frequency kHz level min dB max dB reference Carrier frequency RF level min Result dBm RF level max MHz dBm dBm 5 48 Table 5 39 Pulse modulation RF output at 4 dBm Carrier frequency RF level min Result dBm RF level max MHz dBm dBm 5 49 Table 5 40 Pulse modulation RF output at 14 dBm Carrier frequency RF level min Result dBm RF level max MHz dBm dBm Table 5 41 Pulse modulation on off ratio test Carrier frequency Pulse mod on off Measured value dB MHz ratio dB 5 50 Table 5 42 Pulse modulation rise and fall time test Rise time Fall time Table 5 43 Modulation oscillator frequency tests
77. frequencies shown in Table A 4 Pulse modulation rise and fall time UUT RF Oscilloscope OUT de VOVO J Function generator OUTPUT PULSE INPUT o C2567 Fig A 3 Pulse modulation rise and fall time test set up Test procedure 1 2 3 4 5 6 Connect the test equipment as shown in Fig A 3 On the UUT set Carr Freq 1 GHz RF Level 7 dB Pulse ON Set the function generator to produce 100 kHz 0 V to 5 V square wave Adjust the oscilloscope controls such that the rise time of the envelope can be measured Measure the rise time between the 10 to 90 points checking that it is within the specification shown in Table A 5 Repeat 4 to 5 for the fall time of the envelope Annex A 3 ACCEPTANCE TEST RESULTS TABLES for Option 11 fast pulse modulator Table A 1 Pulse mod RF output at 7 dBm Carrier Frequency RF level min Result dBm RF level max MHz dBm dBm 0 1 8 25 5 75 1 8 25 5 75 3 8 25 5 75 10 8 6 30 8 6 90 8 6 150 8 6 270 8 6 390 8 6 510 8 6 630 8 6 750 8 6 870 8 6 990 8 6 1110 8 6 1200 8 6 1201 9 5 1290 9 5 1410 9 5 1530 9 5 1650 9 5 1770 9 5 1890 9 5 2010 9 5 2130 9 5 2250 9 5 2370 9 5 2400 9 5 Annex A 4 Table A 2 Pulse mod RF output at 0 dBm Carrier frequency RF level min Result dBm RF le
78. hanged Full store The non volatile full store has 100 locations numbered 100 to 199 for the storage of instrument settings This store is used to store those parameters which currently affect the RF output carrier frequency RF level modulations in use on off and source information and the two modulation oscillator frequencies in use A full store contains the following information Carrier frequency setting Carrier frequency step size RF level setting RF level step size All modulation settings All modulation step sizes Modulation mode and status The active modulation frequencies The modulation frequency step size All sweep settings RAM store The volatile RAM store has 100 locations numbered from 200 to 299 for the full storage of instrument settings The parameters stored are the same as those for the full store However the RAM store has no long term wear out mechanism and is therefore recommended for use in ATE programs where all the settings to be used in a test sequence are initially declared and then recalled This results in a reduction of the 488 2 message overhead Memory store STO Store 0 299 short form MEM Store 0 299 CFRQ Carrier Freq Store 0 99 FULL Full Store 100 199 RAM RAM Store 200 299 Data type Decimal Numeric Program Data Allowed suffices None Default suffix None Examples STO FULL 112 STO CFRQ 83 3 19 Memory recall There are three types of recall carrier full and RAM Both
79. i Questi non devono essere gettati tra i rifiuti domestici o industriali n vanno spediti per posta Essi devono essere impacchettati separatamente ed in modo sicuro e devono indicare chiaramente la natura del pericolo e quindi affidate a personale autorizzato Rame berillio Alcuni componenti meccanici in questo strumento sono realizzati in rame berillio Si tratta di una lega con contenuto di berillio di circa il 5 che non presenta alcun rischio in usi normali Questo materiale non deve essere lavorato saldato o subire qualsiasi processo che coinvolge alte temperature Deve essere eliminato come rifiuto speciale Non deve essere eliminato tramite inceneritore xiv CAUTION Caratteristiche d uso Questo strumento stato progettato e prodotto da Aeroflex generare segnali RF in bassa potenza per provare apparati di radio comunicazione Se lo strumento non utilizzato nel modo specificato da Aeroflex le protezioni previste sullo strumento potrebbero risultare inefficaci Aeroflex non pu avere il controllo sull uso di questo strumento e non pu essere ritenuta responsabile per eventi risultanti da un uso diverso dallo scopo prefisso XV Precauciones WARNING CAUTION Note Estos t rminos tienen significados especificos en este manual WARNING contienen informaci n referente a prevenci n de da os personales CAUTION contienen informaci n referente a prevenci n de da os en eq
80. ier 8 dBm from 32 5 MHZ to 2 43 GHz 10 Hz to 2 4 GHz Capable of measuring THD of 0 01 from 100 Hz to 20 kHz DC to 7 2 GHz 3 Hz resolution bandwidth AM FM and M 50 kHz to 2 4 GHz Accuracy 1 at 1 kHz modulation frequency DC to 100 kHz sine 0 6 dB flatness 100 kHz square wave DC voltage measurement 1 W 50 Q nominal impedance DC to 2 4 GHz 100 MHz bandwidth IFR 6960B with 6932 sensor Agilent 8902A with option 037 and 11722A sensor and 11793A down converter IFR 2041 Agilent 53181A with option 030 Rohde amp Schwarz UPA3 Anritsu MS2602A IFR 2305 plus distortion option Agilent 3325B Solartron 7150 Lucas Weinschel M1404N Tektronix TDS 220 Personal Computer with Microsoft Windows version 3 1 or greater installed and fitted with National Instruments PCIIA GPIB Interface Card Vero 203 304014B VXI Mainframe Racal 1260 00C GPIB Slot 0 IFR 3002 executable Soft Front Panel part number 59000 286 Option 037 is necessary to measure SSB phase noise The distortion option of the 2305 Modulation Meter allows modulation distortion tests to be carried out with greater ease If a 2305 with the distortion option is not available the audio analyzer may be connected to the modulation meter LF output and set to measure distortion Executable soft front panel software The acceptance test procedures use the supplied executable soft front panel as the user interface for the 30
81. ier frequency of 62 MHz less than the test frequency i e 1813 1 MHz On the receiver enter the local oscillator frequency followed by the test frequency Set the UUT to carrier frequency 1875 1 MHz and repeat 2 to 5 using Table 5 12 Set the UUT to carrier frequency 2399 MHz and repeat 2 to 5 using Table 5 13 5 5 Carrier frequency accuracy This check provides a conventional method of checking the signal generator frequency locking circuitry It will confirm correct operation of phase locked loops and dividers Overall accuracy is determined by the instrument s internal reference standard Specification Range 9 kHz to 2 4 GHz Resolution 1 Hz Accuracy Equal to the frequency standard accuracy Test equipment Frequency 9 kHz to 2 4 GHz Agilent 53181A counter with option 030 Test procedure Counter INPUT RF OUT o 0000 5356 Fig 5 3 Carrier frequency accuracy test set up 1 Connect the test equipment as shown in Fig 5 3 2 Connect the internal frequency standard from the UUT to the external standard input on the counter 3 On the UUT set Carr Freq 9 kHz RF Level 0 dBm 4 Record the frequency measured by the counter against each of the carrier frequencies shown in Table 5 14 Since the two instruments frequencies are locked together the limit is 1 digit on the counter display 5
82. iii Vorsichtsma n hmen sisecccccsssseievessvcversesscdevsvevcesstussevevssscvestesccsavdveevevedescdessesdesbscsbeubesessvedsccsoseesvese xi PIECAUZIONI ME E xiii Precaucionds REI EDD xvi Chapter 1 GENERAL INFORMATION 1 1 Chapter 2 INSTALLATION AND 2 1 Chapter YJ PROGRAMMING ais cs sssscsennsseanssessossessnnssosvassensevesntondsonsessenosobeussonsasvenneonmadsonsesinnseededs 3 1 MISCELLANEOUS COMMANDS iii 3 29 STATUS BYTE iuit rettet Ee Gk e eee i 3 33 ERROR MESSAGES 3 43 Chapter 4 TECHNICAL DESCRIPTION 2000s2000000002000200000000020000 000000000000 00 Rn setas stone seta seo 4 1 Chapter 5 ACCEPTANCE TESTING 200222000000022000200000000200000 0000200000 00000000 esposos seoses oorsese 5 1 TEST PROCEDURES o reste ote een ete 5 5 Annex A OPTION 11 FAST PULSE MODULATION e ee ee eee eee resero se resero te toten A 1 Index ns H EY 1 1 PREFACE Patent protection The 3002 VXI Signal Generator is protected by the following patents EP 0322139 GB 2214012 US 4870384 EP 0125790 GB 2140232 US 4609881 CAUTION Note Symbols Precautions WARNING CAUTION Note These terms have specific meanings in this manual
83. ination MODE Set modulation mode Data type Character Program Data valid combinations of AM FM PM FSK2L FSKAL or PULSE See table below Allowed suffices None Default suffix None Examples MODE AM FM MODE FM PULSE VALID MODE COMBINATIONS TABLE AM PULSE FM PULSE PM PULSE AM FM PULSE AM PM PULSE FSK2L PULSE FSK4L Note Order is not important for example AM FM is equivalent to FM AM PULSE modulation can be used with any of the AM FM PM and FSK2L modes but not with FSK4L FSK2L and FSK4L parameters are controlled using the FM commands The frequency shifts produced by the applied data are as follows 2FSK 4FSK TRIGGER SHIFT TRIGGER PULSE SHIFT 1 D 1 D 0 D 1 D 3 0 D 3 0 D Where D is the set deviation value MODE Prepares message containing information on Modulation Mode in the following format MODE mode where mode is character program data indicating the modulation mode settings Example MODE AM FM 3 10 Modulation control These commands allow you to switch ALL modulation ON or OFF MOD ON OFF Examples MOD Example not used alone Turn modulation globally ON Turn modulation globally OFF MOD ON MOD OFF Prepares message containing information on Modulation Control in the following format MOD lt status gt where lt status gt is a program mnemonic indicating whether the Modulation is globally ON or OFF MOD ON 3 11 Frequency modulatio
84. ing rate External input VXI bus INTERFACE CAPABILITIES Logical address Device type Protocol Connectors TTLTRG CLK10 Local bus ECLTRG Peak current amp power consumption Cooling per slot BITE built in test equipment RFI COMPATIBILITY z JO cis i 2 Ow 0 01 Hz to 20 kHz 0 01 Hz for frequencies up to 100 Hz 0 1 Hz for frequencies up to 1 kHz 1 Hz for frequencies up to 20 kHz As frequency standard Less than 0 1 THD at 1 kHz Sine to 20 kHz triangle or square wave to 3 kHz The modulation oscillator signal is available on a front panel BNC connector at a level of 2 V RMS EMF from a 600 Q source impedance A front panel BNC connector is provided for external modulation input 1 V RMS 1 414 V peak sine wave for set deviation 100 kQ nominal The external modulation input can be leveled by a peak leveling ALC system over the input voltage range of 0 75 V to 1 25 V RMS sine wave High and low indications are reported as part of the instrument status when the input is outside the leveling range A carrier frequency sweep mode is provided The sweep is defined by setting the start stop and frequency step size The step time can be set from A step or the complete sweep may be triggered by the trigger input on the front panel VXI backplane trigger message or VXI command Sweep can be set to continuous Start stop values of carrier frequency size of step and time per step 50 ms to 10 s
85. input steps the sweep on by one frequency step The trigger latch is reset after each step ready for the next step SWEEP MODE Data type Allowed suffices Default suffix Example TYPE Data type Allowed suffices Default suffix Example TRIG Data type Allowed suffices Default suffix Example SWEEP Example not used alone Select Mode of operation for Sweep generator single or continuous Character Program Data either SNGL or CONT None None SWEEP MODE SNGL Select type of sweep linear or logarithmic Character Program Data LIN or LOG None None SWEEP TYPE LOG Character Program Data any one of OFF START STARTSTOP STEP None None SWEEP TRIG STARTSTOP Prepares message containing information on Sweep Mode type and trigger in the following format SWEEP MODE lt mode gt TYPE lt type gt TRIG lt trig gt where lt mode gt is character program data indicating the sweep mode selected lt type gt is character program data indicating type selected and lt trig gt is character program data indicating the trigger type selected SWEEP MODE CONT TYPE LOG TRIG STEP 3 24 Sweep control To make these commands operational they must first be enabled by the CFRQ MODE SWEPT command These commands enable you to start the sweep in the selected increments from the chosen reference frequency pause the sweep step the sweep up or down fro
86. level min Result dBm RF level max dBm dBm 5 29 Table 5 8 ALC linearity at 2400 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 30 Table 5 9 Attenuator test at 2 6 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 31 Table 5 10 Attenuator test at 480 1 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 32 Table 5 11 Attenuator test at 1199 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 33 Table 5 12 Attenuator test at 1875 1 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 34 Table 5 13 Attenuator test at 2399 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 35 Table 5 14 Carrier frequency tests Frequency MHz Frequency min Result MHz Frequency max MHz MHz 0 009 1 9 999999 18 75 37 5 75 150 300 600 1200 1200 000001 1230 1250 1260 1320 1350 1500 1599 999999 2400 5 36 Table 5 15 Carrier harmonic tests at 4 dBm Carrier 2nd harmonic Result MHz 3rd harmonic Result MHz frequency MHz max level max level dBc dBc 0 01 30 30 0 1 30 30 1 30 30 9 9 30 30 10 30 30 18 7 30 30 18 8 30 30 37 4 30 30 37 6 30 30 74 9 30 30 75 1 30 30 150 30 30 151 30 30 300 30 30 301 30 30 600 30 30 601 30 30 750 3
87. limit FM mod freq limit FM2 mod freq limit M mod freq limit M2 mod freq limit Return Transfer not allowed Start freq limit Sweep time limit Carrier phase limit FM phase limit Memory store limit Display blanking limit Latch address limit Freq std carrier limit Freq std fine adj limit Util not available Data out of range Unlev fact limited by FM fact Data overrun Data framing Transmit buffer full Protected utility Level 1 Pulse unavailable in 4FSK mode No attenuator fitted These errors are not used in this instrument 3 42 EEPROM checksum RF cal checksum Synthesizer cal checksum Mod offset checksum ALC cal checksum FM tracking checksum System cal checksum Store checksum VCO cal fail at lt freq gt FM tracking cal fail at lt freq gt Keyboard buffer overflow Display missing Carrier step limit RF level step limit AM limit AM step limit FM limit FM step limit limit step limit Memory limit AM mod step limit AM2 mod step limit FM mod step limit FM2 mod step limit M mod step limit o 2 mod step limit Util limit Stop freq limit Sweep mode disabled AM phase limit phase limit Memory recall limit GPIB address limit Latch data limit Freq std course adj limit Mod ref adj limit Entry outside limits Units not valid Invalid baud rate Data parity Break in data Receiver not enabled Protected uti
88. lity Level 2 This store is Read Only Pulse has been disabled No high power amp fitted Ext DCFM mod mode required Error queue full ERROR MESSAGES Table 3 5 IEEE 488 2 errors 400 499 Syntax error Numeric syntax Illegal data Incorrect data type Character data not unique Block size Terminator expected Unit not expected Header not unique Sub command not allowed Query not allowed with header Query INTERRUPTED Query DEADLOCK 3 43 Unrecognised mnemonic Data expected Too much data Unrecognised character data Block definition Missing quote Invalid unit No header match found Illegal star command Action not allowed with header Parser decode Query UNTERMINATED Query lost after arbitrary char Chapter 4 TECHNICAL DESCRIPTION Introduction The 3002 VXI Signal Generator is a VXI module which covers a wide range of frequencies from 9 kHz to 2 4 GHz Output levels from 137 dBm to 25 dBm are available These are C size 2 slot wide plug in modules that require a VXI bus mainframe for operation The simplified block schematic diagram for the instrument is shown in Fig 4 1 Modulation The carrier frequency can be frequency phase or amplitude modulated from internal or external sources The internal source can be the sum of two signals and used in combination with an external source connected to the front panel EXT MOD INPUT connector Frequency generation A voltage cont
89. lt nrf gt and lt str gt have the following meanings char Character Program Data lt nrf gt x Decimal Numeric Program Data lt str gt String Program Data Where the data format is Decimal Numeric Program Data the value may be expressed as a signed or unsigned number in any of the following formats nrl Decimal integer e g 1234 or 567 nr2 Floating point number e g 1 234 or 56 789 nr3 Floating point number with exponent e g 1 2345E5 or 12 47E 8 Default settings The instrument is reset to the factory default settings in the following cases 1 At power up 2 Following execution of the RCL 999 command 3 Following execution of the RST command The default settings are shown in Table 3 1 Carrier frequency Step RF level Step Status RF output Modulation mode Modulations Modulation steps Mod frequency steps Carrier sweep Freq mode Mode Type Ext trigger Start Stop Step size Time 2 4 GHz 1 kHz 137 dBm 1 dB ON Enabled Table 3 1 Instrument default settings Internal FM modulation disabled FM1 FM2 DMI 2 AM1 AM2 Pulse Deviation 0 Hz OFF Internal source frequency 1 kHz sine Deviation 0 Hz OFF Internal source frequency 400 Hz sine Deviation 0 rad OFF Internal source frequency 1 kHz sine Deviation 0 rad OFF Internal source frequency 400 Hz sine Deviation 0 OFF Internal source frequenc
90. m the paused position and continue the sweep At any time when the sweep is stopped you can either return to the reference frequency or transfer the current frequency as the new reference frequency SWEEP not used alone GO Commence Sweep HALT Pause Sweep CONT Continue Sweep RESET Reset sweep to Start Value RETN Return to original setting XFER Transfer current value as the new setting UP Go UP one sweep step while paused DN Go DOWN one sweep step while paused Datatype None Allowed suffices None Default suffix None Examples SWEEP GO SWEEP RESET 3 25 Trigger source Sources These commands enable you to disable the trigger select the trigger source from one of the eight VXI backplane triggers or to select an external trigger For external triggering connect a TTL trigger signal to the TRIGGER INPUT connector Ensure however that this socket is not disabled for your application by a higher priority mode having been selected The order of priority is as follows FSK logic input Memory sequencing Sweep trigger All three modes of operation may be enabled at the same time but only one mode will be active the one with the highest priority Therefore ensure that for example FSK and memory sequencing are not enabled when selecting sweep triggering otherwise the triggering will have no effect Trigger source selection is as follows TRIGGER SOURCE Select trigger source Data type Character Program Dat
91. n Set the function generator to 1 25 V RMS and repeat 4 to 6 using Table 5 27 also measuring the AF distortion on the audio analyzer at those frequencies indicated 5 13 Phase modulation Specification Deviation 0 to 10 radians Resolution 3 digits or 0 01 radians Accuracy at 1 kHz 5 of indicated deviation excluding residual phase modulation Bandwidth 3 dB 100 Hz to 10 kHz Distortion Less than 3 at 10 radians at 1 kHz modulation rate Typically lt 0 5 for deviations up to 1 radian at 1 kHz Test equipment Description Minimum specification Example Modulation meter and FM accuracy 2 at 1 kHz modulation IFR 2305 with frequency distortion option Phase modulation Test procedure 1 2 3 4 Connect the test equipment as shown in Fig 5 7 On the UUT set Carr Freq 10 5 MHz RF Level 0 dBm Source On Mod Mode PM Internal PMI Level 10 rad On the modulation meter select CAL DM Measure the PM accuracy and distortion checking that the results are within the specification shown in Table 5 28 Phase modulation flatness Test procedure For this test the phase modulation figures are calculated from readings taken with the modulation meter set to FM No allowances need to be made for the modulation source frequency accuracy since it is derived from the reference oscillator in the UUT 1 2 3 4 5 Connect the test equipment as shown in Fig 5 7 On the UUT set
92. n and FSK These commands enable you to select frequency modulation either as a single modulation or as the sum of two signals to set the deviation rate to switch the modulation on and off and to perform DC FM nulling For the latter ensure that a ground reference is connected to the EXT MOD INPUT socket before you implement the command You can set the modulation oscillator frequency and select between sine triangle and square waveforms Also the phase difference of modulation oscillator channel 2 relative to channel 1 can be offset in degrees Both deviation rate and modulation oscillator frequency can have their step sizes set and then be stepped up or down And after having adjusted the deviation rate or the modulation oscillator frequency you can either return to the reference rate or frequency or make the current value the new reference FM or FM1 or FM2 DEVN INC Data type Allowed suffices Default suffix lt src gt ON OFF UP DN RETN Data type Allowed suffices Default suffix Examples MODF VALUE INC Data type Allowed suffices Default suffix UP DN RETN XFER SIN TRI SQR Data type Allowed suffices Default suffix Set FM Deviation short form Set FM Deviation Set FM step size Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ Select modulation source where src is any one of INT EXTAC EXTALC or EXTDC Turn FM ON locally
93. naux qui suivent les recommandations de tension et d isolement du type Tension extra faible s par e SELV at SELV E Aucune tension dangereuse n est g n r e en interne Performance data dans le chapitre 1 du manuel d utilisation pr cise les niveaux de tension maximum acceptables en entr e Ne d montez pas le capot de l instrument car ceci peut provoquer des blessures Il n y a pas de pi ces remplagables par l utilisateur l int rieur viii Faites effectuer toute r paration par du personnel qualifi Contacter un des Centres de Maintenance Internationaux dans la liste jointe la fin du manuel N Risque li au feu L acc s aux fusibles d alimentation se fait apr s d montage d un couvercle de protection exterieur Cette manipulation est la charge d un personnel qualifi Pour un protection continue contre le feu les fusibles de remplacement doivent de type et de valeur adapt s Danger produits toxiques Certains composants utilis s dans cet appareil peuvent contenir des r sines et d autres mati res qui d gagent des fum es toxiques lors de leur incin ration Les pr cautions d usages doivent donc tre prises lorsqu on se d barrasse de ce type de composant Le B ryllia Le B ryllia oxyde de B ryllium entre dans la composition de certains composants de cet appareil Cette mati re peut lorsqu elle est inhal e sous forme de vapeur ou de fine poussi re tre la cause de maladies respi
94. ng in one of the following formats AM DEPTH lt nr2 gt lt src gt lt status gt INC lt nr2 gt AM1 DEPTH lt nr2 gt lt src gt lt status gt INC lt nr2 gt AM2 DEPTH lt nr2 gt lt src gt lt status gt INC lt nr2 gt where lt src gt is a program mnemonic representing the source of the modulation signal and lt status gt is a program mnemonic indicating whether the amplitude modulation is locally ON or OFF AM1 DEPTH 56 6 INT ON INC 5 0 Prepares message containing information on AM modulation oscillator setting in one of the following formats AM MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt AM1 MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt AM2 MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt where lt shape gt is a program mnemonic representing the waveform shape AM MODF VALUE 5000 00 TRI INC 1000 00 Pulse modulation You can use these commands to switch the pulse modulation on and off when it is part of the modulation mode When ON is selected the carrier is modulated by the logic level applied to the PULSE INPUT socket Pulse ON Logic level between 3 5 and 5 V Pulse OFF Logic level between 0 and 1 0 V Note the PULSE ON and PULSE OFF commands are invalid when used with Option 11 fast pulse PULSE always returns PULSE ON when used with Option 11 PULSE not used alone ON Turn Pulse modulation ON OFF Turn Pulse modulation OFF Datatype None Allowed suffices
95. niques and procedures recommended by Aeroflex The above information is provided for guidance only Aeroflex designs and constructs its products in accordance with International Safety Standards such that in normal use they represent no hazard to the operator Aeroflex reserves the right to amend the above information in the course of its continuing commitment to product safety 2 2 INSTALLATION AND POWER UP Cleaning Before commencing any cleaning switch off the instrument and disconnect the mainframe from the supply The exterior surface of the case may be cleaned using a soft cloth moistened in water Do not use aerosol or liquid solvent cleaners z O 6 E Putting into storage lt If the instrument is to be put into storage ensure that the following conditions are maintained Temperature range 40 to 70 C 7 Humidity Less than 93 at 40 C Z Front panel connectors and indicators The front panel with its connectors and indicators is shown in Fig 2 1 below O REVERSE POWER RPP FAIL 50W MAX TRIP POWER RF OUT 500 Y N IT N FREQ STD A yo NY 0 pkpk N EXTMOD A MAR INPUT toxo VF FA TRIGGER A INPUT TN PULSE A INPUT ECO O up I OUTPUT H 6000 9kHz 2 4GHz signal generator C4342 Fig 2 1 3002 front panel showing connectors and indicators 2 3 RF OUT SYSTEM F
96. nleveled do fractional n loop high dio high power amplifier failed d3 external standard missing d44 ALC too high d4 external standard frequency too low d42 ALC too low ds external standard frequency too high d43 DSP not responding dg VCXO loop low d44 RF level uncalibrated d VCXO loop high 915 not used lt hsb gt hardware event register summary bit 3 33 STATUS BYTE Coupling event registers This is a device dependent register and the bits have meanings as shown in the list at the bottom of the page Condition Register CCR Transition i Filter Register Read Write Commands Status Register CSR Enable Register CSE CSE lt csb gt Positive transition sets status C1625 do RF level restricted by requested AM depth d4 not used d2 not used d3 AM2 depth restricted by requested AM1 depth d4 FM2 deviation restricted by requested FM1 deviation d5 M2 deviation restricted by requested M1 deviation dg not used dz d45 not used lt csb gt coupling event register summary bit 3 34 STATUS BYTE Instrument event registers This is a device dependent register and the bits have meanings as shown in the list at the bottom of the page Condition Register SCR Transition Filter Register Read Write Commands Status Register SSR Enable Register SSE SSE lt ssb gt Negative transition sets status 02395 Condition SCR Event Status SSR do sweep in progress end
97. o 1 8 V EMF and repeat 4 6 On the UUT set Freq Std External 10 Indirect 7 Set the signal generator to carrier frequency 10 MHz and repeat 4 8 Set the signal generator to 220 mV and repeat 4 5 22 ACCEPTANCE TEST RESULTS TABLES For 3002 Signal Generator serial number I Table 5 1 RF output at 4 dBm Carrier frequency RF level min Result dBm RF level max MHz dBm dBm 0 03 5 3 0 33 5 3 9 5 3 11 5 3 60 5 3 180 5 3 300 5 3 420 5 3 540 5 3 660 5 3 780 5 3 900 5 3 1020 5 3 1140 5 3 1200 E 3 1201 6 2 1260 6 2 1320 6 3 1380 6 2 1440 6 2 1500 6 9 1560 6 2 1620 6 2 1680 6 9 1740 6 E 1800 6 2 1860 6 9 1920 6 2 1980 6 2 2040 6 9 2100 6 2 2160 6 2 2220 6 9 2340 6 2 2400 6 2 5 23 Table 5 2 RF output at 7 dBm Carrier frequency RF level min Result dBm RF level max MHz dBm dBm 5 24 Table 5 3 RF output at 25 dBm Carrier frequency RF level min Result dBm RF level max MHz dBm dBm 19 dBm 5 25 Table 5 4 ALC linearity at 2 5 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 26 Table 5 5 ALC linearity at 950 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 27 Table 5 6 ALC linearity at 1200 MHz RF level dBm RF level min Result dBm RF level max dBm dBm 5 28 Table 5 7 ALC linearity at 1900 MHz RF level dBm RF
98. od unless an extended warranty for Embedded Software has been purchased from date of delivery in respect of each type of Licensed Software is Embedded Software 12 months Add In Application Software 90 days Computer Application Software 90 days Downloaded Software No warranty If during the appropriate Warranty Period the Licensed Software does not conform substantially to the Software Product Descriptions Data Sheets or Product Specifications Aeroflex will provide 5 3 1 In the case of Embedded Software and at Aeroflex s discretion either a fix for the problem or an effective and efficient work around 5 3 2 In the case of Add In Application Software and Computer Application Software and at Aeroflex s discretion replacement of the 5 4 software or a fix for the problem or an effective and efficient work around Aeroflex does not warrant that the operation of any software will be uninterrupted or error free AEROFLEX INTERNATIONAL LTD SOFTWARE LICENCE AND WARRANTY The above Warranty does not apply to 6 1 Defects resulting from software not supplied by Aeroflex from unauthorised modification or misuse or from operation outside of the specification 6 2 Third party produced Proprietary Software which Aeroflex may deliver with its products in such case the third party Software Licence Agreement including its warranty terms shall apply 7 The remedies offered above are sole and exclusive remedies and to the extent permitted by
99. omitted Set Start Frequency Set Stop Frequency Set Carrier Frequency sweep step size Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ PCT Select time per sweep step Decimal Numeric Program Data MS S MS SWEEP CFRQ START 100KHZ STOP 500KHZ INC 100HZ TIME 60MS Prepares message containing information on Carrier Frequency Sweep settings in the following format SWEEP CFRQ START lt nr2 gt STOP lt nr2 gt INC lt nr2 gt LOGINC lt nr2 gt TIME lt nr2 gt SWEEP CFRO START 1230000 0 STOP 1330000 0 INC 100 0 LOGINC 50 00 TIME 20 0 3 23 Sweep mode To make these commands operational they must first be enabled by the CFRQ MODE SWEPT command These commands enable you to select the sweep mode between single shot and continuous sweep and between linear and logarithmic sweep You can also select the triggering mode from the following OFF Disable the trigger START The first trigger input causes the carrier sweep to commence sweeping Any other trigger inputs whilst sweeping are ignored Only at the end of each sweep is the trigger latch reset ready for the next input STARTSTOP The first trigger input starts the carrier sweep and the following trigger input pauses it so that the user can investigate a particular point of interest The next trigger input continues the sweep from where it was paused At the start of each sweep the trigger latch is reset ready for the next input STEP Each trigger
100. os en este equipo pudieran incluir resinas u otro tipo de materiales que al arder produjeran sustancias t xicas Por tanto tome las debidas precauciones en la manipulaci n de esas piezas Berilio Berilio xido de berilio Este material es utilizado en la fabricaci n de alguno de los componentes de este equipo La inhalaci n de este material en forma de polvo fino o vapor entrando en los pulmones puede ser causa de enfermedades respiratorias En forma s lida como se utiliza en este caso puede manipularse con bastante seguridad aunque se recomienda no manejarlo en aquellas condiciones que pudieran favorecer la aparici n de polvo por abrasi n de la superficie Por todo lo anterior se recomienda tener el m ximo cuidado al reemplazar o deshacerse de estos componentes no tir ndolos en basuras industriales o dom sticas y no utilizar el correo para su env o Deben ser empaquetados de forma segura y separada y el paquete debidamente etiquetado e identificado sefialando claramente la naturaleza del riesgo y ponerlo a disposici n de un destructor autorizado de productos t xicos Berilio cobre Algunos componentes mec nicos contenidos en este instrumento incorporan berilio cobre en su proceso de fabricaci n Se trata de una aleaci n con un contenido aproximado de berilio del 595 lo que no representa ning n riesgo durante su uso normal El material no debe ser manipulado soldado ni sometido a ning n proceso que implique la
101. p size Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ Go UP one step Go DOWN one step Return to original setting Transfer current value to be the new setting None None None Selects the mode of carrier frequency operation SWEPT enables swept carrier frequency operation while FIXED disables it Character Program Data FIXED non swept mode SWEPT swept mode None None Set Start Frequency for use in sweep Set Stop Frequency for use in sweep Decimal Numeric Program Data Any one of GHZ MHZ KHZ or HZ HZ Set time per sweep step Decimal Numeric Program Data MS orS MS Adjust Phase Offset of Carrier in degrees Decimal Numeric Program Data DEG DEG CFRO VALUE 2 54MHZ INC 10KHZ CFRQ UP XFER CFRO START 1MHZ STOP 10MHZ TIME 100MS CFRO MODE SWEPT Prepares message containing information on Carrier Frequency setting in the following format CFRQ VALUE lt nr2 gt INC lt nr2 gt MODE lt mode gt where mode is character program data indicating whether carrier frequency operation is swept or fixed CFRO VALUE 1000000000 0 INC 25000 0 MODE FIXED 3 6 RF level These commands enable you to set the RF level in the range 137 to 25 dBm to a resolution of 0 1 dB You can adjust the level in steps by setting the size of the step and then stepping the level up or down And after having adjusted the level you can either return to the reference level or make the current level the ref
102. pe None Allowed suffices None Default suffix None Examples RCL FULL 125 RCL UP RCL Prepares message containing information on last memory store that was recalled in the following format RCL MEM lt nr1 gt Examples RCL MEM 126 3 20 Memory erase ERASE CFRQ FULL RAM ALL Data type Allowed suffices Default suffix Examples Memory sequencing not used alone Erase all Carrier Freq Stores 0 99 Erase all Full Stores 100 199 Erase all RAM Stores 200 299 Erase all Stores 0 299 None None None ERASE FULL ERASE ALL These commands enable you to step through the memory stores in a sequence For triggering refer to Memory triggering below MSEQ MODE Data type Allowed suffices Default suffix Examples SEQ1 SEQ9 START STOP Data type Allowed suffices Default suffix Example MSEQ Examples MSEQ SEQ1 MSEQ SEQ9 Example not used alone Select sequencing mode of operation When a sequence is selected the user can step through the sequence using the RCL UP and RCL DN commands The sequence modes are SEQ1 to SEQ9 and the sequencing can be disabled with the OFF parameter Character Program Data None None MSEQ MODE OFF MSEQ MODE SEQ2 Set the memory store for the start of the sequencing loop Set the memory store for the end of the sequencing loop Decimal Numeric Program Data None None MSEQ SEQ2 START 50 STOP 70 Prepares mes
103. ped reset the protection after you have removed the source from the socket and find out how many times the circuit has tripped RPP RESET Data type Allowed suffices Default suffix Example RPP TRIPPED Example RPP COUNT Example Reset reverse power protection trip short form Reset RPP trip None None None RPP RESET Prepares message containing information on whether the RPP circuit is currently tripped in the following format lt nrl gt 0 not tripped 1 tripped E Prepares message containing information on the number of times the RPP circuit has tripped in the following format lt nrl gt 3 Note that the protection circuit may be activated when the generator is set to a high level and the RF OUT socket has no terminating load 3 28 STATUS BYTE Operating hours These commands enable you to find out either the total operating hours or the elapsed operating hours since the last reset as well as to reset the elapsed time to zero ELAPSED RESET Reset elapsed operating hours to zero Datatype None Allowed suffices None Default suffix None Example ELAPSED RESET ELAPSED Prepares message containing information on elapsed operating hours since last reset in the following format lt nr2 gt Example 454 50 OPER Prepares message containing information on total operating hours in the following format lt nr2 gt Example 1453 00 Frequency standard selection
104. per step Frequency step size of 1 Hz minimum Percentage increment of 0 01 to 50 in 0 01 steps Single continuous or external trigger A trigger input is available on a front panel BNC A step or the complete sweep may be triggered by the front panel input VXI backplane trigger or VXI command 10 MHz Better than 7 in 10 over the operating range 0 to 55 C Less than 1 in 10 per year Front panel BNC connector accepts an input of 1 MHz or 10 MHz at 220 mV RMS to 1 8 V RMS into 1 kQ Complies with revisions 1 3 and 1 4 of the VXIbus specification for message based instruments Manual selection 1 254 A16 D16 message based servant programmable interrupter Word serial IEEE 488 2 Fast handshake not supported P1 P2 highest slot of a 2 slot allocation Used to trigger sweep mode and step memory sequences Not used Not used Not used 24 V 12V 5 V 12 V Total power lpm 12A 1 0A 2 0A 0 6A 60 W max Idm 0 1A 0 1A 1 3A 0 1A 2 4 litre s at 1 mm H O backpressure for 10 C maximum temperature rise LEDs on module s front panel indicate POWER OK green SYSTEM FAIL red and RPP TRIP Reverse Power Protection Tripped red Complies with VXIbus revision 1 3 1 4 specifications below 1 GHz 1 5 ELECTROMAGNETIC COMPATIBILITY SAFETY RATED RANGE OF USE CONDITIONS OF STORAGE AND TRANSPORT CALIBRATION INTERVAL DIMENSIONS AND WEIGHT Dimensions Weight GENERAL INFORMATION Conforms with
105. ratoires Sous sa forme solide comme c est le cas ici cette mati re peut tre manipul e sans risque bien qu il soit conseill d viter toute manipulation pouvant entrainer la formation de poussi re par abrasion de la surface Il est donc conseill pour viter ce risque de prendre les pr cautions requises pour retirer ces composants et s en d barrasser Ne les jetez pas avec les d chets industriels ou domestiques ou ne les envoyez pas par la poste Il faut les emballer s par ment et solidement et bien indiquer la nature du risque avant de les c der avec pr cautions une entreprise sp cialis e dans le traitement de d chets toxiques Bronze au b ryllium Dans cet quipement certaines pi ces m caniques sont base de bronze au b ryllium Il s agit d un alliage dans lequel le pourcentage de b ryllium ne d passe pas 5 Il ne pr sente aucun danger en utilisation normale Toutefois cet alliage ne doit pas tre travaill soud ou soumis un processus qui implique l utilisation d une source de chaleur En cas de destruction il sera entrepos dans un container sp cial IL ne devra pas tre d truit par incin ration CAUTION Utilisation Cet quipement a t concu et fabriqu par Aeroflex pour g n rer des signaux RF de faible puissance pour le test d appareils de radio communications La protection de l quipement peut tre alt r e s il n est pas utilis dans les conditions sp cifi es par
106. rb gt in the status byte register is set and an appropriate bit in the standard event register is also set one of lt cme gt lt exe gt lt dde gt or lt qye gt These errors will also generate a VXI controller interrupt for the event Request True if the appropriate interface settings have been set up Many background errors are also reported in the Hardware and Coupling Status Registers 3 40 ERROR MESSAGES Table 3 3 Background errors 500 599 in priority order Main RAM faulty RPP tripped Fractional N loop high External std frequency low VCXO loop low Amplitude modulator unleveled Power Amp Fail or Unterminated ALC too low RF level limited by AM FM2 limited by FMI 3 41 Main PROM faulty Fractional N loop low Ext standard missing External std frequency high VCXO loop high Output unleveled ALC too high DSP not responding RF level uncalibrated AM2 limited by AMI 2 limited by DMI ERROR MESSAGES Table 3 4 Foreground errors 0 399 No error Pad cal checksum Freq std checksum Mod ref checksum Mod amp checksum FM cal factor checksum M cal factor checksum AM cal checksum Image checksum Frac N out of lock at lt freq gt VTF tune cal fail at lt freq gt Display buffer overflow Carrier limit RF level limit Invalid modulation mode AM2 limit AM2 step limit FM2 limit FM2 step limit M2 limit M2 step limit AM mod freq limit AM2 mod freq
107. rolled oscillator VCO covering the frequency range 400 to 533 MHz is phase locked to a 10 MHz temperature controlled crystal oscillator using a fractional N synthesizer system Additional frequency coverage is achieved by means of frequency division and multiplication Low frequencies are generated by a beat frequency oscillator BFO system Control Internal control of the instrument is achieved by a microprocessor which receives data and sends instructions via an internal 8 bit data bus to the signal processing circuits 4 1 gt HARMONIC 10MHz 24GHz REVERSE LEVEL gt gt FILTERS eco POWER o PROTECT okHz 00192 to 10MHz 20kHz TA 1224GHz 100MHz TRIGGER TRIGGER contro ineur STEP ATTENUATOR FMIOM r DEVN MOD Pa DAC CONV INTERFACE SMHz veio 10MHz STD 10 MHz LOOP SELECT TCXO gia 10 MHz in as 10 MHz out Fig 4 1 Block schematic diagram 4 2 C2871 Chapter 5 ACCEPTANCE TESTING Introduction The test procedures in this chapter enable you to verify that the electrical performance of the signal generator complies with the Performance Data given in Chapter 1 For convenience the test equipment and specification for each test are summarized before the test procedure Apart from the UUT Unit Under Test no specific set up procedures will be included for the test equipment unless the m
108. ror Queue Bits 1 2 and 3 are Status summaries for the Instrument Status Coupling Status and Hardware Status Registers Bit 0 is unused 3 30 STATUS BYTE Status data structure register model Below is a generalized model of the Register Set which funnels the monitored data into a single summary bit to set the appropriate bit in the Status Byte Device Status continuously monitored by Condition Register Condition Register Transition Filter Event Register Event Enable Register Summary Message C0072 The Device Status is continuously monitored by the Condition Register If a Query to read a Condition Register is provided the Response represents the Status of the instrument at the moment the Response is generated A Condition Register cannot be written to The Transition Filter determines which transition of the Condition Register data bits will set the corresponding bit in the Event Register Either positive going negative going or both transitions can set bits in an Event Register But with this instrument the Transition Filters are pre set as either Positive or Negative as described in the following pages The bits in an Event Register are latched Once set they remain set regardless of subsequent changes in the associated condition bit until the Event Register is cleared by being read or by the CLS common command Once cleared an Event Register bit will only be set again if the appropriate change in
109. rrier frequencies can be stored in non volatile memory for recall when required RF output up to 25 dBm uncalibrated above 1 2 GHz can be set with a resolution of 0 1 dB over the entire range Carrier output can be completely disabled An electronic trip protects the generator output against reverse power of up to 50 W This prevents damage to output circuits when RF or DC power is accidentally applied to the RF OUT connector To facilitate testing of receiver squelch systems an attenuator hold function allows control of the RF output without introducing RF level drop outs from the step attenuator The RF output level can be offset by up to 5 0 dB to compensate for cable or switching losses or to standardize a group of instruments The maximum RF output level can be set so as to protect sensitive devices connected to the RF OUTPUT socket Spectral purity With an SSB phase noise performance of typically 121 dBc Hz at 20 kHz offset from a 1 GHz carrier this instrument can be used for both in channel and adjacent channel receiver measurements Harmonically related signals and non harmonics are better than 25 dBc and 60 dBc respectively Modulation Comprehensive amplitude frequency and phase modulations are available Pulse modulation can be applied to the carrier from an external pulse source The instrument also accepts one or two logic level inputs to produce a 2 level or 4 level FSK modulated output An internal modulation os
110. s RFLV Set RF Output Level short form VALUE Set RF Output Level Data type Decimal Numeric Program Data Allowed suffices one of DBM DBV DBMV DBUV V MV or UV Default suffix DBM unless changed by UNITS command INC Set RF Level step dB Data type Decimal Numeric Program Data Allowed suffices only Default suffix DB UP Go UP one step DN Go DOWN one step RETN Return to original setting XFER Transfer current value to be the new setting ON Turn RF Output ON OFF Turn RF Output OFF Datatype None Allowed suffices None Default suffix None Selects EMF or PD for voltage related units Data type Character Program Data EMF or PD Allowed suffices None Default suffix None 3 7 UNITS Data type Allowed suffices Default suffix Examples LIMIT VALUE Data type Allowed suffices Default suffix ENABLE DISABLE OFFS VALUE Data type Allowed suffices Default suffix ENABLE DISABLE SAVE RFLV Examples RFLV LIMIT Examples RFLV OFFS Examples Select default RF level units Character Program Data DBM DBV DBMV DBUV V MV or UV None None RFLV VALUE 27 3DBM ON RFLV TYPE PD VALUE 1 23UV Set RF Level max limit short form Set RF Level max limit Decimal Numeric Program Data Any one of DBM DBV DBMV DBUV V MV or UV DBM unless changed by UNITS command Enable limit Disable limit Set RF Level offset for given frequency ban
111. sage containing information on the current memory sequencing mode in the following format MSEQ MODE lt mode gt lt mode gt is character program data indicating the sequence mode selection where MSEQ MODE SEQ4 MSEQ MODE OFF Prepares message containing information on the start and stop settings of the given memory sequence in the following format MSEQ SEQn START lt nr1 gt STOP lt nr1 gt where n is between 1 and 9 inclusive MSEQ SEQ4 START 120 STOP 155 3 21 Memory triggering For external triggering methods refer to Trigger source at the end of this section MTRIG ON OFF Data type Allowed suffices Default suffix Examples MTRIG Example Memory protection Enables memory recall triggering to be activated by TRG command or by external triggering Disable memory recall triggering None None None MTRIG 0N MTRIG OFF Prepares message containing information on memory triggering state in the following format MTRIG lt status gt where lt status gt is a program mnemonic indicating whether the memory recall triggering is enabled ON or disabled OFF MTRIG ON These commands enable you to either write protect a block of stores or a single store to prevent accidental overwriting or to unprotect it For a single store set both start and stop numbers the same Note that any protection applied to RAM will be lost once the instrument has been switched off MPR
112. tatus Enable Command Sets the Standard Event Enable Register ESE Standard Event Status Enable Query Returns the value of the Standard Event Status Enable Register as nrl CLS Clear Status Command Clears all the Status Event registers and clears the Error Queue Does not affect the Enable Registers The IEEE 488 2 Device Clear function only affects the remote functions The input and output buffers are cleared and the instrument put into a state to accept new messages Earlier versions of IEEE 488 1 put the instrument functions into a defined state but this is now performed by the RST common command Device dependent commands The following list describes the features of the device dependent mnemonics for the instrument together with simple examples of their use within each major section Carrier frequency RF level etc The root mnemonic is listed first followed by the lower level mnemonics Each group is followed by a list of requirements for data type and suffix In addition to the normal listen commands the instrument accepts query commands which cause it to prepare a message which will be sent to the controller when the instrument is next addressed to talk For each query an example of a response is given Where responses are similar for a group of queries not all are listed Some queries can produce more than one type of response an example of each is usually given In the list which follows the abbreviations lt char gt
113. the Condition bit occurs The Event Enable Register may be both written to and read from It is bitwise AND ed with the Event Register and if the result is non zero the Summary Message is true otherwise the Summary Message is false Enable Registers are not affected by CLS but are however clear at power on 3 31 STATUS BYTE Standard event registers This register is defined by IEEE 488 2 and each bit has the meaning shown below Register Read Write Commands ESR Condition Register 4 de ds d ds do d d Transition Filter Status Register ESE ESE lt esb gt Positive transition sets status C0069 pon power on lt urq gt user request not implemented in this product lt cme gt command error lt exe gt execution error lt dde gt device dependent error lt qye gt query error lt rqc gt request control not implemented in this product lt opc gt operation complete set in response to the OPC command for synchronization lt esb gt standard event register summary bit 3 32 STATUS BYTE Hardware event registers This is a device dependent register and the bits have meanings as shown in the list at the bottom of the page Condition Register HCR Transition Register Filter Read Write Commands HSR Enable Register HSE HSE lt hsb gt Positive transition sets status C0068 dg reverse power protection tripped dg filter unleveled d4 fractional n loop low dg output u
114. the protection requirements of the EEC Council Directive 89 336 EEC Conforms with the limits specified in the following standards IEC EN61326 1 1997 RF Emission Class B Immunity Table 1 Performance Criterion B Conforms with the requirements of EEC Council Directive 73 23 EEC as amended and the product safety standard IEC EN 61010 1 2001 C1 2002 C2 2003 for Class 3 portable equipment for use in a Pollution Degree 2 environment The instrument is designed to operate from an Installation Category 1 supply Full specification is met over the temperature range 0 to 55 C humidity up to 93 at 40 C and elevation up to 3050 m 10 000 ft The instrument can be stored at temperatures from 40 C to 70 C humidities up to 93 at 40 C and elevations up to 4600 m 15 000 ft 2 years 2 slot C size Less than 4 kg Versions options and accessories When ordering please quote the full ordering number information Ordering numbers 3002 Option 11 46882 226 59000 285 59000 286 Versions 9 kHz to 2 4 GHz Signal Generator Option Fast pulse modulator Supplied accessories Operating manual this manual LabWindows CVI driver VXI Plug amp Play soft front panel 1 6 EC Declaration of Conformity Certificate Ref No DC230 The undersigned representing Manufacturer Aeroflex International Ltd Address Longacres House Six Hills Way Stevenage Hertfordshire UK SG1 2AN
115. the response to a preceding query UNTERMINATED error 451 occurs when the controller attempts to read a response without having sent a query DEADLOCK error 452 can only occur if the input and output buffers are both filled by the controller having sent an extra long message containing several query message units These instruments have an input buffer of 256 characters and an output buffer of 256 characters Common commands and queries IEEE 488 2 The IEEE 488 2 standard defines a set of common commands and queries which implement common system functions Common command and query mnemonics are preceded by an asterisk to distinguish them from device dependent data such as instrument programming strings The following common commands and queries are implemented in the instrument Mnemonic Name and Description IDN Identification Query Returns an arbitrary ASCII response comprising four data fields in the format lt manufacturer gt lt model gt lt serial number gt lt software part number and issue number gt where manufacturer is IFR lt model gt is the instrument model number 3002 lt serial number gt is the instrument serial number in the form nnnnnn nnn where nis an ASCII digit in the range 0 to 9 software part number and issue number gt is in the form nnnnn nnn n nn where nis an ASCII digit in the range 0 to 9 Example IFR 3002 811152 011 44533 445 01 00 lt EOM gt OPT Option Identification Query
116. tus gt is a program mnemonic indicating whether the frequency modulation is locally ON or OFF FM1 DEVN 25000 0 INT ON INC 1000 0 Prepares message containing information on FM modulation oscillator setting in one of the following formats FM MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt FM1 MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt FM2 MODF VALUE lt nr2 gt lt shape gt INC lt nr2 gt where lt shape gt is a program mnemonic representing the waveform shape FM1 MODF VALUE 5750 00 SIN INC 1000 00 Phase modulation These commands enable you to select phase modulation either as a single modulation or as the sum of two signals to set the deviation rate in radians and to switch the modulation on and off You can set the modulation oscillator frequency and select between sine triangle and square waveforms Also the phase difference of modulation oscillator channel 2 relative to channel can be offset in degrees Both deviation rate and modulation oscillator frequency can have their step sizes set and then be stepped up or down And after having adjusted the deviation rate or the modulation oscillator frequency you can either return to the reference rate or frequency or make the current value the new reference PM or PM1 or PM2 DEVN INC Data type Allowed suffix lt src gt ON OFF UP DN RETN XFER Data type Allowed suffices Default suffix Examples MODF VALUE INC Data type
117. tware is installed Downloaded Software any software downloaded from an Aeroflex web site Embedded Software Licensed Software that forms part of the Equipment supplied by Aeroflex and without which the Equipment cannot function Licence Fee the consideration ruling at the date of this Agreement for the use of one copy of the Licensed Software on the Designated Equipment Licensed Software All and any programs listings flow charts and instructions in whole or in part including Add in Computer Application Downloaded and Embedded Software supplied to work with Designated Equipment 2 LICENCE FEE The Licensee shall pay the Licence Fee to Aeroflex in accordance with the terms of the contract between the Licensee and Aeroflex 3 TERM This Agreement shall be effective from the date hereof and shall continue in force until terminated under the provisions of Clause 9 4 LICENCE 4 1 4 2 43 44 4 5 Unless and until terminated this Licence confers upon the Licensee the non transferable and non exclusive right to use the Licensed Software on the Designated Equipment The Licensee may not use the Licensed Software on other than the Designated Equipment unless written permission is first obtained from Aeroflex and until the appropriate additional Licence Fee has been paid to Aeroflex The Licensee may not amend or alter the Licensed Software and shall have no right or licence other than that stipulated herein The Licensee may mak
118. uency kHz level min level max dB dB reference Table 5 28 Internal and distortion test at 10 5 MHz carrier 10 rad deviation OM deviation Result rad OM deviation Distortion Result min rad max rad 5 44 Table 5 29 Internal M flatness test Modulation Response Result dB Response frequency kHz level min level max dB dB reference Carrier min Result max min Result max Result at Result at frequency 30 depth 80 depth MHz lt 1 5 lt 2 5 Table 5 31 Internal AM depth and distortion tests at 7 dBm AM depth30 Am dopin eo Distortion Carrier min Result max min Result max Result at Result at frequency 30 depth 80 depth MHz lt 1 5 lt 2 5 5 45 Table 5 32 Internal AM depth and distortion tests at 13 dBm AM AM depth 30 AM depth 30 AM AM depth 80 AM depth 80 Carrier Result at Result at frequency 24 30 depth 80 depth lt 1 5 lt 2 5 1 5 28 5 1381 5 76 ZZ 84 6 28 5 o 31 5 76 84 9 28 5 ____ 31 5 76 i 84 11 28 5 31 5 76 84 20 28 5 ____ 31 5 76 84 50 28 5 131 5 76 D 84 100 28 5 31 5 76 cali 84 200 28 5 1 31 5 76 84 500 28 5 31 5 76 84 Carrier min Result max min R
119. uipos Note contienen informaci n general importante S mbolos de peligro El significado de los s mbolos de peligro en el equipo y en la documentaci n es el siguiente Simbolo Naturaleza del peligro N Vea el manual de funcionamiento cuando este simbolo aparezca en el instrumento Familiaricese con la naturaleza del riesgo y con las acciones que deban de tamarca Aviso de toxicidad Condiciones generales de uso Este producto ha sido disefiado y probado para cumplir los requerimientos de la normativa IEC EN61010 1 Requerimientos de la normativa para equipos el ctricos de medida control y uso en laboratorio para equipos clase III portatiles y para uso en un ambiente con un grado de contaminaci n 2 El equipo ha sido disefiado para funcionar sobre una instalacion de alimentaci n de categorias II Debe protegerse el equipo de la entrada de liquidos y precipitaciones como nieve lluvia etc Cuando se traslada el equipo de entorno frio a un entorno caliente es importante aguardar la estabilizaci n el equipo para evitar la condensaci n S lo debe utilizarse el aparato en las condiciones ambientales especificadas en el capitulo 1 Especificaciones o Performance data del Manual de Instrucciones Manual de Operaci n Funcionamiento en caso contrario la propia protecci n del equipo puede resultar dafiada Este producto no ha sido aprobado para su utilizaci n en entornos peligrosos o en aplicaciones m di
120. urement control and laboratory use per apparati di classe III portatili e per l uso in un ambiente inquinato di grado 2 L apparato stato progettato per essere alimentato da un alimentatore di categoria I Lo strumento deve essere protetto dal possibile ingresso di liquidi quali ad es acqua pioggia neve ecc Qualora lo strumento venga portato da un ambiente freddo ad uno caldo importante lasciare che la temperatura all interno dello strumento si stabilizzi prima di alimentarlo per evitare formazione di condense Lo strumento deve essere utilizzato esclusivamente nelle condizioni ambientali descritte nel capitolo 1 Performance data del manuale operativo in caso contrario le protezioni previste nello strumento potrebbero risultare non sufficienti Questo prodotto non stato approvato per essere usato in ambienti pericolosi o applicazioni medicali Se lo strumento deve essere usato per applicazioni particolari collegate alla sicurezza per esempio applicazioni militari o avioniche occorre che una persona o un istituto competente ne certifichi l uso N Pericoli da elettricit alimentazione a c c Questo strumento rispetta le norme IEC classe III e quindi per una completa sicurezza deve essere collegato solo ad alimentatori e generatori di segnali che rispettano I requisiti di tensione ed isolamento SELV e SELV E Separated Extra Low Voltage Nessuna tensione pericolosa generata al suo interno Vedi capitolo 1 per quanto
121. vel max MHz dBm dBm Annex A 5 Table A 3 Pulse mod RF output at 16 dBm Carrier frequency RF level min Result dBm RF level max MHz dBm dBm Annex A 6 Table A 4 Pulse modulation on off ratio test Carrier frequency Pulse mod on off Measured value dB MHz ratio dB 0 145 gt 80 1 1 gt 80 10 1 gt 80 32 gt 80 101 gt 80 321 gt 80 1001 gt 80 1199 gt 80 1501 gt 70 1801 gt 70 2101 gt 70 2399 gt 65 Table A 5 Pulse modulation rise and fall time test Result ns Rise time Fall time Annex A 7 AEROFLEX INTERNATIONAL LTD SOFTWARE LICENCE AND WARRANTY This document is an Agreement between the user of this Licensed 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 If you do not agree to the terms of this Agreement please return the Software package unopened to Aeroflex International Limited or do not use the software 1 DEFINITIONS The following expressions will have the meanings set out below for the purposes of this Agreement Add In Application Software Licensed Software that may be loaded separately from time to time into the Equipment to improve or modify its functionality Computer Application Software Licensed Software supplied to run on a standard PC or workstation Designated Equipment the single piece of Equipment upon which the licensed sof
122. y 1 kHz sine Deviation 0 OFF Internal source frequency 400 Hz sine OFF AFM 1 kHz A M 0 1 rad AAM 1 10 Hz Fixed Single sweep Linear OFF 9 kHz 2 4 GHZ 1 kHz 50 ms Carrier frequency These commands enable you to set the carrier frequency in the range 9 kHz to 2 4 GHz to a resolution of 1 Hz You can adjust the frequency in steps by setting the size of the step and then stepping the frequency up or down After having adjusted the frequency you can either return to the reference frequency or make the current frequency the reference frequency Additionally you can adjust the phase offset of the carrier in degrees in the range 359 99 to 359 99 Also you can configure the instrument as a swept frequency signal generator where you define the start and stop frequencies and set the step size step time and step direction For triggering methods refer to Trigger source at the end of this section CFRQ VALUE INC UP DN RETN XFER MODE START STOP TIME PHASE CFRQ Data type Allowed suffices Default suffix Data type Allowed suffices Default suffix Data type Allowed suffices Default suffix Data type Allowed suffices Default suffix Data type Allowed suffices Default suffix Data type Allowed suffices Default suffix Examples Example Set Carrier Frequency short form Set Carrier Frequency Set Carrier Frequency ste
123. y incorrect programming 4 Fatal errors caused by failure associated with the main RAM or the PROM These errors may or may not be displayed according to the severity of the failure or corruption Background errors These are generated due to an incorrect operating condition within the instrument These errors are generated automatically to warn the operator For example if the reverse power protection circuit should trip error 500 RPP tripped will be placed in the error queue Background errors are listed in Table 3 3 Foreground errors These are typically generated when an entered parameter value is outside the valid range or for some other invalid operation For example trying to set the carrier frequency above or below the specified range will put error 100 Carrier limit into the error queue Foreground errors are listed in Table 3 4 Error queue When an error occurs the error number is put into the error queue The error at the head of the queue is only cleared by the ERROR query which returns that error or by the CLS command which clears the whole error queue IEEE 488 2 errors are listed in Table 3 5 The queue holds a maximum of 64 error message error numbers If an error occurs while the queue is full the last error number is replaced with 399 to indicate that the queue is full The ERROR query returns a value of 399 for queue full and 0 for queue empty When an error number is written into the queue a bit lt e

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