Rohde & Schwarz FSQ3 Service Manual

Rohde & Schwarz FSQ3 Service Manual

Signal analyzer
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A l l t e s t I n s t r u me n t s , I n c .
5 0 0 C e n t r a l A v e .
F a r mi n g d a l e , N J 0 7 7 2 7
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T h e t e s t & me a s u r e me n t
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A l l t e s t c a r r i e s t h e w o r l d ' s l a r g e s t s e l e c t i o n o f
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  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2 Service Manual Instrument Signal Analyzer ® ® R&S FSQ3 R&S FSQ31 1155.5001.03 1155.5001.31 R&S ® FSQ8 R&S ® FSQ40 1155.5001.08 1155.5001.40 ® R&S FSQ26 1155.5001.26 Printed in Germany Test and Measurement 1155.5047.82-08-...
  • Page 4 R&S FSQ Tabbed Divider Overview Tabbed Divider Overview Index Safety Instructions Certificate of Quality Spare Parts Express Service List of R&S Representatives Contents of Manuals for Spectrum Analyzer R&S FSQ Service and Repair Tabbed Divider Chapter 1: Performance Test Chapter 2: Adjustment Chapter 3: Repair...
  • Page 6 Grouped Safety Messages Make sure to read through and observe the following safety instructions! All plants and locations of the Rohde & Schwarz group of companies make every effort to keep the safety standard of our products up to date and to offer our customers the highest possible degree of safety. Our products and the auxiliary equipment required for them are designed and tested in accordance with the relevant safety standards.
  • Page 7 Grouped Safety Messages Tags and their meaning DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION CAUTION indicates a hazardous situation which, if not avoided, may result in minor or moderate injury.
  • Page 8 Grouped Safety Messages 5. If handling the product yields hazardous of the connecting cable is regarded as the substances or fuels that must be disposed of disconnecting device. In such cases, it must in a special way, e.g. coolants or engine oils be ensured that the power plug is easily that must be replenished regularly, the safety reachable and accessible at all times...
  • Page 9 Grouped Safety Messages 20. For permanently installed equipment without national regulations regarding waste built-in fuses, circuit breakers or similar disposal and recycling. protective devices, the supply circuit must be 28. Please be aware that in the event of a fire, fused in such a way that suitable protection toxic substances (gases, liquids etc.) that is provided for users and products.
  • Page 10 Informaciones elementales de seguridad ¡Es imprescindible leer y observar las siguientes instrucciones e informaciones de seguridad! El principio del grupo de empresas Rohde & Schwarz consiste en tener nuestros productos siempre al día con los estándares de seguridad y de ofrecer a nuestros clientes el máximo grado de seguridad. Nuestros productos y todos los equipos adicionales son siempre fabricados y examinados según las normas de seguridad vigentes.
  • Page 11 Informaciones elementales de seguridad Tener en cuenta las informaciones de seguridad sirve para tratar de evitar daños y peligros de toda clase. Es necesario de que se lean las siguientes informaciones de seguridad concienzudamente y se tengan en cuenta debidamente antes de la puesta en funcionamiento del producto. También deberán ser tenidas en cuenta las informaciones para la protección de personas que encontrarán en el capítulo correspondiente de la documentación de producto y que también son obligatorias de seguir.
  • Page 12 Informaciones elementales de seguridad 3. Como en todo producto de fabricación El empresario/usuario está comprometido a industrial no puede ser excluido en general de valorar y señalar áreas de trabajo en las que que se produzcan al usarlo elementos que se corra un riesgo aumentado de exposición a puedan generar alergias, los llamados radiaciones para evitar riesgos.
  • Page 13 Informaciones elementales de seguridad 12. No utilice nunca el producto si está dañado el 20. En caso de que los productos que son cable eléctrico. Compruebe regularmente el instalados fijamente en un lugar sean sin correcto estado de los cables de conexión a protector implementado, autointerruptor o red.
  • Page 14 Informaciones elementales de seguridad 27. Baterías y acumuladores no deben de ser de horquilla, carros etc. El usuario es expuestos a temperaturas altas o al fuego. responsable de que los productos sean Guardar baterías y acumuladores fuera del sujetados de forma segura a los medios de alcance de los niños.
  • Page 16 Safety Instructions WARNING Danger of injuries When removing the rear feet, the unit can slip out of the cabinet. Put the unit onto the front handles, before removing the rear feet and taking off the cabinet. Thus the risk of personal injuries and damages to the unit is avoided. When mounting the cabinet take care not to pen in the fingers.
  • Page 18 Certified Quality System DIN EN ISO 9001 : 2000 DIN EN 9100 : 2003 DIN EN ISO 14001 : 1996 DQS REG. NO 001954 QM/ST UM QUALITÄTSZERTIFIKAT CERTIFICATE OF QUALITY CERTIFICAT DE QUALITÉ Sehr geehrter Kunde, Dear Customer, Cher Client, Sie haben sich für den Kauf eines you have decided to buy a Rohde &...
  • Page 20 Customer Support Technical support – where and when you need it For quick, expert help with any Rohde & Schwarz equipment, contact one of our Customer Support Centers. A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation, programming or applications of Rohde &...
  • Page 22 Address List Headquarters, Plants and Subsidiaries Locations Worldwide Headquarters Please refer to our homepage: www.rohde-schwarz.com ◆ ROHDE&SCHWARZ GmbH & Co. KG Phone +49 (89) 41 29-0 Sales Locations Mühldorfstraße 15 · D-81671 München Fax +49 (89) 41 29-121 64 ◆ Service Locations P.O.Box 80 14 69 ·...
  • Page 24 Index R&S FSQ Index Error message DETECTOR access failed! ........3.92 Adjustment ..............2.1 LOUNL ..............3.112 frequency accuracy..........2.6 External generator control Frequency response correction ........ 2.8 Replacement ............3.69 functions ..............2.2 External Generator Control level accuracy ............2.4 Function ..............3.11 level of the calibration signal ........
  • Page 25 Index R&S FSQ LC display ..............3.9 OCXO Function ..............3.8 Replacement............3.23 Replacement ............3.67 Level accuracy Option adjustment ............... 2.4 Check ............1.15, 1.53 Function .............3.2 Lithium battery Replacement ............3.78 Replacement............3.18 R&S FSP-B10 Function ............3.11 R&S FSP-B4 Function .............3.8 R&S FSQ-B4 Manuel adjustment ............
  • Page 26 Index R&S FSQ Performance Test Report Option FSU-B21 ..1.116, 1.152 FIRMWARE UPDATE ..........4.1 Phase Noise REF FREQUENCY...........2.2 Check ............1.36, 1.133 RESTORE FIRMWARE..........4.1 Power cables ..............3 SAVE CHANGES .............2.2 Power supply SELFTEST RESULTS..........3.95 Function ..............3.10 SERVICE ..............2.1 Replacement............
  • Page 28: Table Of Contents

    R&S FSQ Contents - Performance Test Contents - Chapter 1 "Performance Test" Performance Test ........................1.1 Test Instructions .........................1.1 Measuring Equipment and Accessories ...................1.2 Performance Test R&S FSQ .......................1.6 Checking the Reference Frequency Accuracy ................1.6 Checking Immunity to Interference ....................1.7 IF Image Frequency Rejection ................1.8 IF Image Frequency Rejection ................1.8 IF Image Frequency Rejection ................1.8 IF Rejection ......................1.9...
  • Page 29 R&S FSQ Contents - Performance Test Performance Test Option Preamplifier FSU-B24 ..............1.52 Checking Noise Display....................... 1.52 Checking the Level accuracy and the Frequency Response ........... 1.53 Absolute level accuracy at 128 MHz .................1.54 Frequency response < 3.6 GHz ................1.55 Frequency response > 3.6 GHz ................1.57 Performance Test Option Electronic Attenuator B25............1.60 Checking Noise Display with Preamplifier (B25)................
  • Page 30: Performance Test

    R&S FSQ Test Instructions 1 Performance Test Test Instructions To ensure that rated specifications are maintained, the following preparations must be made prior to checking the rated characteristics • At least 15 minutes warm-up • All internal adjustments must be carried out. The overall adjustment is performed in the CAL menu [CAL : CAL TOTAL].
  • Page 31 Measuring Equipment and Accessories R&S FSQ Measuring Equipment and Accessories Item Type of Specifications recommended Equipment Alternative equipment recommended equipment Frequency frequency range up to 10 MHz Advantest HP 53132A with Frequency accuracy of counter resolution min. 9 digits R5361B option 012 reference oscillator accuracy...
  • Page 32 R&S FSQ Measuring Equipment and Accessories Item Type of Specifications recommended Equipment Alternative equipment recommended equipment level imbalance 3.6 GHz to 8 GHz 0.3 dB 8 GHz to 22 GHz 0.4 dB 22 GHz to 40 GHz 0.5 dB 40 GHz to 50 GHz 0.6 dB equivalent output SWR 3.6 GHz to 8 GHz...
  • Page 33 Measuring Equipment and Accessories R&S FSQ Item Type of Specifications recommended Equipment Alternative equipment recommended equipment Precision Step 0 dB to 30 dB, 10 dB steps R&S FSMR-Z2 Verification Kit Display Linearity Attenuator insertion loss at 0dB 20 dB Attenuator HP (alternative measurement) nominal 11812 A...
  • Page 34: Measuring Equipment And Accessories

    R&S FSQ Measuring Equipment and Accessories Item Type of Specifications recommended Equipment Alternative equipment recommended equipment Volt meter DC and AC voltage R&S URE02/03 34401A B9: test of modulation (2 units) (Agilent) N cable attenuation< 0.2 dB up to 3.6 B9/B12: test of output level Spectrum Frequency range up to 3,6 GHz...
  • Page 35: Performance Test R&S Fsq

    Performance Test R&S FSQ R&S FSQ R&S FSQ Performance Test Checking the Reference Frequency Accuracy Preparation: The measurement can be performed either with a signal generator on the RF INPUT connector (front panel) at 1 GHz or on the EXT REF OUT connector (rear panel) at 10 MHz with a frequency counter.
  • Page 36: Checking Immunity To Interference

    R&S FSQ Performance Test R&S FSQ Frequency Counter: Measurement with Test equipment: Frequency counter (Section "Measurement Equipment", item 1): Accuracy < 1x10 Frequency range up to 10 MHz R&SFSQ Test setup: Connect frequency counter to 10-MHz reference output of the (rear panel) R&S FSQsettings: - [SETUP : REFERENCE INT / EXT ]...
  • Page 37: St If Image Frequency Rejection

    Performance Test R&S FSQ R&S FSQ IF Image Frequency Rejection Additional signal generator - Frequency + 9256.8 MHz settings: Additional R&S FSQ settings: - [ FREQ : CENTER : {f See table of performance test report for values of f Measurement: Set marker to peak of signal - [ MKR...
  • Page 38: St If Rejection

    R&S FSQ Performance Test R&S FSQ IF Rejection Additional signal generator - Frequency 4628.4 MHz settings: Additional FSQ settings: - [ FREQ : CENTER : {f See table of performance test report for values of f Measurement: Set marker to peak of signal - [ MKR : PEAK ] Evaluation:...
  • Page 39: Checking Nonlinearities

    10 MHz to 26.5 GHz R&S FSQ 40: 10 MHz to 40 GHz - Power splitter/combiner (Section "Measurement Equipment", item 8) Frequency range: R&S FSQ3: 10 MHz to 3.6 GHz R&S FSQ 8: 10 MHz to 8 GHz R&S FSQ 26: 10 MHz to 26.5 GHz...
  • Page 40: Second-Order Harmonic Distortion

    R&S FSQ Performance Test R&S FSQ Second-Order Harmonic Distortion Test equipment: Signal generator (Section "Measurement Equipment", item 3) Frequency range: 9 kHz to 1.8 GHz Recommended harmonic suppression: f <100 MHz : >35 dBc 100 MHz < f < 1 GHz : >45 dBc f >1 GHz : >35 dBc In order to improve the harmonic suppression of the generator it is...
  • Page 41: Checking If Filters

    Performance Test R&S FSQ R&S FSQ Checking IF Filters Test equipment: Signal generator (Section "Measurement Equipment", item 3): Frequency 128 MHz Level 0 dBm Test setup: Connect RF output of the signal generator to the RF input of the R&S FSQ. Checking the bandwidth switching level accuracy Reference measurement (RBW 10 kHz) Signal generator settings:...
  • Page 42: Checking Bandwidth

    R&S FSQ Performance Test R&S FSQ Checking Bandwidth Signal generator settings: - Frequency: 128 MHz - Level: -10 dBm R&S FSQ settings: - [ PRESET ] - [ AMPT : RF ATTEN MANUAL : 10 dB ] - [ AMPT : 0 dBm ] - [ FREQ : CENTER : 128 MHz ] - [ BW : COUPLING RATIO : SPAN/RBW MANUAL : 3 : ENTER ] Determine 3-dB-Bandwith...
  • Page 43: Checking Noise Display

    Performance Test R&S FSQ R&S FSQ Checking Noise Display Test equipment: termination (Section "Measurement Equipment", item 7) Frequency range: R&S FSQ 3: DC to 3.6 GHz R&S FSQ 8: DC to 8 GHz R&S FSQ 26: DC to 26.5 GHz R&S FSQ 40: DC to 40 GHz Test setup:...
  • Page 44: Checking The Level Accuracy And The Frequency Response

    R&S FSQ Performance Test R&S FSQ Checking the Level accuracy and the Frequency Response Test equipment: - Signal Generator (Section "Measurement Equipment", item 3) Frequency range 100 kHz to 3.6 GHz Maximum level 0 dBm - Signal Generator (Section "Measurement Equipment", item 2) Frequency range: R&S FSQ 3: 10 MHz to 3.6 GHz...
  • Page 45 - [ PRESET ] - [ AMPT : RF ATTEN MANUAL : 10 dB ] - [ AMPT : RF INPUT DC ] (R&S FSQ3 / 8 / 26 only) - [ AMPT : -10 dBm ] - [ SPAN : 30 kHz ]...
  • Page 46: Frequency Response > 3.6 Ghz

    R&S FSQ Performance Test R&S FSQ Frequency response < 3.6 GHz Power splitter calibration This section can be skipped, if a power splitter with a level imbalance Note: <0.1 dB is available. Test setup: Standardize the Power Meter and both Power Sensors (item 10, 11). Use Power Splitter (item) and connect equipment as shown below.
  • Page 47 - [ PRESET ] - [ AMPT : RF ATTEN MANUAL : 10 dB ] - [ AMPT : RF INPUT DC ] (R&S FSQ3 / 8 / 26 only) - [ AMPT : 0 dBm ] - [ SPAN : 100 kHz ]...
  • Page 48 R&S FSQ Performance Test R&S FSQ Reference measurement Measurement: Determine signal level L powermeter Set marker to peak of signal - [ MKR : PEAK ] Read level indication from R&S FSQ (reading of marker 1): Read level indication from Power Meter : L PowerMeter Evaluation: Calculate...
  • Page 49 - [ PRESET ] - [ AMPT : RF ATTEN MANUAL : 10 dB ] - [ AMPT : RF INPUT DC ] (R&S FSQ3 / 8 / 26 only) - [ AMPT : 0 dBm ] - [ SPAN : 100 kHz ]...
  • Page 50: Checking The Display Linearity

    R&S FSQ Performance Test R&S FSQ R&S FSQ settings: - [ FREQ : CENTER : {f fresp See table in performance test report for values of f fresp - Set marker to peak of signal - [ MKR : PEAK ] Read level indication from R&S FSQ (reading of marker 1): Power Meter: Read level indication from Power Meter : L...
  • Page 51 Performance Test R&S FSQ R&S FSQ Signal generator settings: - Frequency 5 MHz - Level +10 dBm Step attenuator settings: Attenuation 20 dB R&S FSQ settings: - [ PRESET ] - [ AMPT : RF ATTEN MANUAL : 10 dB ] - [ AMPT : 0 dBm ] - [ FREQ :CENTER : 5 MHz ] - [ SPAN : 0 Hz ]...
  • Page 52: Checking The Display Linearity (Alternative Measurement)

    R&S FSQ Performance Test R&S FSQ Checking the Display Linearity (alternative Measurement) Test equipment: - Signal Generator (Section "Measurement Equipment", item 4) Frequency 30 MHz Maximum level 16 dBm Harmonics < -25 dBc - Power Meter (Section "Measurement Equipment", item 10) Dual Channel Power range -30 to 0 dBm - Power Splitter (Section "Measurement Equipment", item 7)
  • Page 53 Performance Test R&S FSQ R&S FSQ R&S FSQ settings: - [ PRESET ] - [ FREQ : 30 MHz ] - [ SPAN : 0 Hz ] - [ AMPT : -10 dBm: RF ATTEN MANUAL : 10 dB ] - [ BW : 500 Hz ] - [ TRACE : DETECTOR : DETECTOR AVERAGE ] - [ SWEEP : 500 ms ]...
  • Page 54 R&S FSQ Performance Test R&S FSQ Step 1 Set the power of the Signal Generator and the attenuation of the Verification Kit to the first value listed in the table above. Set the Step Attenuator to 0 dB. R&S FSQ setting - [ MEAS : TIME DOM POWER ] - [ NEXT : SET REFERENCE ] Set Power Meter to relative indication (dB) and store actual value as...
  • Page 55 Performance Test R&S FSQ R&S FSQ Signal Generator Verification Kit Power Meter Signal Generator Power Attenuation indication Level Error dB (relativ) YGEN dB (relativ) 0.00 0.00 _____ -4 = _____ _____ -8 = _____ _____ -12 = _____ _____ -6 = _____ _____ -0 =...
  • Page 56 R&S FSQ Performance Test R&S FSQ Measurement - RBW 300 kHz Signal Generator Verification Kit Power Meter Signal Generator Power Attenuation indication Level Error dB (relativ) YGEN dB (relativ) 0.00 0.00 _____ +6 = _____ _____ +2 = _____ _____ +8 = _____ _____...
  • Page 57: Checking The Rf Attenuator

    Performance Test R&S FSQ R&S FSQ Step 1 Set the power of the Signal Generator and the attenuation of the Verification Kit to the first value listed in the table above. Set the Step Attenuator to 0 dB. R&S FSQ setting - [ BW : 300 kHz ] - [ MEAS : TIME DOM POWER ] - [ NEXT : SET REFERENCE ]...
  • Page 58 R&S FSQ Performance Test R&S FSQ R&S FSQ settings: - [ PRESET ] - [ FREQ : CENTER : 128 MHz ] - [ SPAN : 500 Hz ] - [ BW : RES BW MANUAL : 1 kHz ] - [ TRACE : DETECTOR : RMS ] - [ BW : VIDEO BW MANUAL : 100 Hz ] - [ AMPT : RF ATTEN MANUAL : 10 dB ]...
  • Page 59: Checking The Rf Attenuator Accuracy (Alternative Measurement)

    Performance Test R&S FSQ R&S FSQ Checking the RF Attenuator Accuracy (alternative Measurement) Test equipment: - Signal Generator (Section "Measurement Equipment", item 4) Frequency 128 MHz Level range -62 to +8 dBm - Power Splitter (Section "Measurement Equipment", item 7) - Fixed Attenuator (Section "Measurement Equipment", item 17) 3 dB / 128 MHz - Measuring Receiver (Section "Measurement Equipment", item 19)
  • Page 60 R&S FSQ Performance Test R&S FSQ R&S FSQ R&S FSQ Signal Generator RF Attenuation Ref Level Power Step 1 Set the power of the Signal Generator to the first value listed in the table above. Set RF Attenuation and Reference Level of the R&S FSQ to the first value listed in the table above: - [ AMPT : RF ATTEN MANUAL : xx dB : REF LEVEL xx dBm ] Set R&S FSQ Delta Marker Reference...
  • Page 61: Checking The Reference Level Switching (If-Gain)

    Performance Test R&S FSQ R&S FSQ Checking the Reference Level Switching (IF-Gain) Test principle: The IF gain of the R&S FSQ can be switched from 0 to 50 dB by changing the reference level at fixed RF attenuation. To prevent the IF gain accuracies to be mixed up with the log amplifier accuracy it is determined by comparison using an external precision attenuator.
  • Page 62 R&S FSQ Performance Test R&S FSQ Measurement Step attenuator settings: Attenuation See table below for values of a FSQ settings: - [ AMPT : {reference level} dBm ] See table below for values of reference level. - [ MKR : PEAK ] The difference between the level of the input signal of the R&S FSQ Evaluation: and the reference (at 10 dB IF-Gain) is displayed in the marker field...
  • Page 63: Checking The Reference Level Switching Accuracy (Alternative Measurement)

    Performance Test R&S FSQ R&S FSQ Checking the Reference Level Switching Accuracy (alternative Measurement) Test equipment: - Signal Generator (Section "Measurement Equipment", item 4) Frequency 128 MHz Level range -52 to +8 dBm - Power Splitter (Section "Measurement Equipment", item 7) - Fixed Attenuator (Section "Measurement Equipment", item 17) 3 dB / 128 MHz - Measuring Receiver (Section "Measurement Equipment", item 19)
  • Page 64 R&S FSQ Performance Test R&S FSQ R&S FSQ Signal Generator Ref Level Power Step 1 Set the power of the Signal Generator to the first value listed in the table above. Set the Reference Level of the R&S FSQ to the first value listed in the table above.: - [ AMPT : REF LEVEL xx dBm ] Set R&S FSQ Delta Marker Reference...
  • Page 65: Checking The Phase Noise For Instruments With Serial Numbers Smaller Than 200000

    Performance Test R&S FSQ R&S FSQ Checking the Phase Noise for Instruments with serial numbers smaller than 200000 Test equipment: Signal Generator (Section "Measurement Equipment", item 4 or R&S equipment item 3) Frequency 639 MHz Level 5 dBm Phase Noise at 639 MHz: <...
  • Page 66 R&S FSQ Performance Test R&S FSQ Phase noise measurement settings Offset Span Reference level R&S FSQ 100 Hz 20 Hz 30 Hz 0 dBm 10 dB 1 kHz 200 Hz 100 Hz 0 dBm 10 dB 10 kHz 2 kHz 300 Hz 0 dBm 10 dB...
  • Page 67: Testing The Phase Noise At 639 Mhz Or 640 Mhz For Instruments With Serial Number Larger Than 200000

    Performance Test R&S FSQ R&S FSQ Testing the phase noise at 639 MHz or 640 MHz for instruments with serial number larger than 200000 Measuring equipment: Tester (section “measuring instruments and accessories”, pos. 30) Frequency 640 MHz Level 5 dBm to 9 dBm (on the FSU) Phase noise at 640 MHz: <...
  • Page 68 R&S FSQ Performance Test R&S FSQ R&S FSQ settings: - [ PRESET ] - [ SETUP : REFERENCE INT ] - [ FREQ : CENTER : 640 or 639 MHz ] - [ AMPT : RF ATTEN MANUAL : 10 dB ] - [ SPAN : 1 kHz ] Correct frequency deviation f between signal generator or R&S...
  • Page 69: Alternative Phase-Noise Testing At 800 Mhz For Instruments With A Serial Number Larger Than 200000

    Performance Test R&S FSQ R&S FSQ Alternative phase-noise testing at 800 MHz for instruments with a serial number larger than 200000 Measuring equipment: Alternative measuring at 800 MHz (Section measuring instruments and accessories pos. 31) This measurement can be performed , if no FSU with a 640 MHz output is available.
  • Page 70 R&S FSQ Performance Test R&S FSQ R&S FSQ settings: - [ PRESET ] Switch to internal reference (INT). - [ SETUP : REFERENCE INT / EXT ] - [ FREQ : CENTER : 800 MHz ] Correct offset frequency f between REFSYN and R&S FSQ with: Offset - [FREQ : FREQUENCY OFFSET : {f...
  • Page 71 Performance Test R&S FSQ R&S FSQ Setting for phase noise measurement Offset Span RES BW / SWEEP Reference TIME level 100 Hz 0 Hz 10 Hz/10s + 8 dBm 10 dB 1 kHz 0 Hz 100 Hz/10s +8 dBm 10 dB 10 kHz 0 Hz 500Hz/5s...
  • Page 72: Checking The Return Loss At The Rf Input

    R&S FSQ Performance Test R&S FSQ Checking the Return Loss at the RF Input Note: For R&S FSQ 3 or R&S FSQ 8 as alternative to the VSWR bridge a network analyzer (item 14a) can be used also. For R&S FSQ 26, 40 it is recommended to use a network analyzer for better accuracy. Test equipment: - Signal generator (Section "Measurement Equipment", item 3) Frequency range:...
  • Page 73: Checking The Frequency Response Of The Iq Compensation Filter

    Performance Test R&S FSQ R&S FSQ Checking the frequency response of the IQ compensation filter As IQ-data are not available in manual mode, checking the compensation of IQ-data path is only possible running a little program on an external PC. Instead of manual settings, GPIB commands for the FSQ are shown in the following table.
  • Page 74: Test Procedure Option Tracking Generator B9 With Option Attenuator B12

    R&S FSQTest Procedure Option Tracking Generator B9 with Option Attenuator B12 Test Procedure Option Tracking Generator B9 with Option Attenuator B12 Checking the output level Test equipment: - N cable (section "Measurement Equipment", item 28) Frequency up to 3.6 GHz Maximum attenuation <...
  • Page 75: Checking The Frequency Response

    Test Procedure Option Tracking Generator B9 with Option Attenuator B12 R&S FSQ Checking the frequency response Test equipment: - N cable (section "Measurement Equipment", item 18) Frequency up to 3.6 GHz Maximum attenuation < 0.2 dB Test setup: Connect the tracking generator output to the RF input of theFSQ . FSQ settings: - [ PRESET ] - [ AMPT : RF ATTEN MANUAL : 5 dB ]...
  • Page 76: Checking The Dynamic Range

    R&S FSQ Test Procedure Option Tracking Generator B9 with Option Attenuator B12 Checking the dynamic range Test equipment: - N cable (section "Measurement Equipment", item 28) Frequency up to 3.6 GHz Maximum attenuation < 0.2 dB Connect the tracking generator output to the RF input of theFSQ. Test setup: FSQ settings: - [ PRESET ]...
  • Page 77: Checking Modulation

    Test Procedure Option Tracking Generator B9 with Option Attenuator B12 R&S FSQ Checking Modulation Checking the I/Q modulator Test equipment: - AMIQ (section "Measurement Equipment", item 30-35) - Arbitrary waveform generator (section "Measurement Equipment", item 26) - Spectrum analyzer (section "Measurement Equipment", item 29) - Voltmeter, 2 units (refer to "Measurement Equipment", item 27) - 2 BNC T pieces Test setup with AMIQ:...
  • Page 78: Checking The Amplitude Modulation

    R&S FSQ Test Procedure Option Tracking Generator B9 with Option Attenuator B12 Measuring the residual carrier: Switch off the outputs on the generator. Voltmeter display: DC voltage < 3 mV AC voltage < 3 mV Set marker to peak: Set marker to peak of signal: - [ MKR : PEAK ] Read off the measured value on the spectrum analyzer (Marker Peak)
  • Page 79: Checking The Frequency Modulation

    Test Procedure Option Tracking Generator B9 with Option Attenuator B12 R&S FSQ Spectrum analyzer settings: - [ FREQUENCY : 1 GHz ] - [ SPAN : 10 MHz ] - [ AMPT : REF LEVEL : 10 dBm ] FSQ settings: - [ PRESET ] - [ FREQUENCY : 1 GHz ] - [ SPAN : 0 MHz ]...
  • Page 80 R&S FSQ Test Procedure Option Tracking Generator B9 with Option Attenuator B12 FSQ settings: - [ PRESET ] - [ FREQUENCY : 1 GHz ] - [ SPAN : 0 MHz ] - [ AMPT : REF LEVEL : 10 dBm ] - [ NETWORK : SOURCE POWER: 0 dBm] - [ MODULATION : EXT FM : 100 kHz] Measurement:...
  • Page 81: Performance Test Option Preamplifier Fsu-B24

    Performance Test Option Preamplifier FSU-B24 R&S FSQ Performance Test Option Preamplifier FSU-B24 Comment: The option B24 is only avaible for the models R&S FSQ 26 and FSQ 40. Checking Noise Display Test equipment: termination (Section "Measurement Equipment", item 9) Frequency range: R&S FSQ 26: DC to 26.5 GHz R&S FSQ 40:...
  • Page 82: Checking The Level Accuracy And The Frequency Response

    R&S FSQ Performance Test Option Preamplifier FSU-B24 Checking the Level accuracy and the Frequency Response Test equipment: Section "Measurement Equipment" , item 3) - Signal Generator ( Frequency range 100 kHz to 3.6 GHz Maximum level 0 dBm - Signal Generator ( Section "Measurement Equipment"...
  • Page 83: Absolute Level Accuracy At 128 Mhz

    Performance Test Option Preamplifier FSU-B24 R&S FSQ Section "Measurement Equipment" , item 8) - 6 dB Power Splitter ( Frequency range: R&S FSQ 26 DC to 26.5 GHz R&S FSQ 40 DC to 40 GHz Level imbalance 3.6 to 8 GHz 0.3 dB 8 to 22 GHz 0.4 dB...
  • Page 84: Frequency Response < 3.6 Ghz

    R&S FSQ Performance Test Option Preamplifier FSU-B24 Frequency response < 3.6 GHz Power splitter calibration Note: This section can be skipped, if a power splitter with a level imbalance <0.1 dB is available. Test setup: Standardize the Power Meter and both Power Sensors (item 10, 11). Use Power Splitter (item) and connect equipment as shown below.
  • Page 85 Performance Test Option Preamplifier FSU-B24 R&S FSQ Power Splitter calibration data Applied frequency (f Imbalance / dB fresp 100 kHz _______ 1 MHz _______ 10 MHz _______ 50 MHz _______ 100 MHz _______ 128 MHz _______ 200 MHz _______ 300 MHz _______ 400 MHz _______...
  • Page 86 R&S FSQ Performance Test Option Preamplifier FSU-B24 R&S FSQ settings: Set marker to peak of signal - [ MKR : PEAK ] Read level indication from R&S FSQ (reading of marker 1): Power Meter: Read level indication from Power Meter : L PowerMeter Evaluation: Calculate...
  • Page 87 Performance Test Option Preamplifier FSU-B24 R&S FSQ Test setup: Standardize the Power Meter and Power Sensor (item 10, 12). Use Power Splitter/Combiner (item 8) and connect equipment as shown below. Connect the power splitter directly to the R&S FSQ RF input 1. Important Note Throughout the remaining steps set the Power Meter Cal Factor as appropriate!
  • Page 88 R&S FSQ Performance Test Option Preamplifier FSU-B24 R&S FSQ settings: - [ FREQ : CENTER : {f fresp See table in performance test report for values of f fresp - Set marker to peak of signal - [ MKR : PEAK ] Read level indication from R&S FSQ (reading of marker 1): Power Meter: Read level indication from Power Meter : L...
  • Page 89: Performance Test Option Electronic Attenuator B25

    Performance Test Option Electronic Attenuator B25 R&S FSQ Performance Test Option Electronic Attenuator B25 Comment: With FSQ 26, 40 the option B25 is implemented in the signal path below 3.6 GHz. Therefore the measurements are done up to 3.6 GHz only. Checking Noise Display with Preamplifier (B25) Test equipment: 50 _ termination (Section "Measurement Equipment", item 9)
  • Page 90: Checking The Level Accuracy And The Frequency Response With Preamplifier

    R&S FSQ Performance Test Option Electronic Attenuator B25 Checking the Level accuracy and the Frequency Response with Preamplifier Test equipment: - Signal generator (Section "Measurement Equipment", item 2) Frequency range: R&S FSQ 3, 26, 40 10 MHz to 3.6 GHz R&S FSQ 8: 10 MHz to 8 GHz Maximum level...
  • Page 91 Performance Test Option Electronic Attenuator B25 R&S FSQ Determining the level accuracy at 128 MHz Test setup: Standardize the Power Meter and Power Sensor (item 10, 11). Set the Power Meter Cal Factor to the appropriate value for the Power Sensor for 128 MHz. Connect Power Sensor through a cable to RF output of Signal Generator.
  • Page 92 R&S FSQ Performance Test Option Electronic Attenuator B25 Checking frequency response <3.6 GHz Power splitter calibration Note: This section can be skipped, if a power splitter with a level imbalance <0.1 dB is available. Test setup: Standardize the Power Meter and both Power Sensors (item 10, 11). Use Power Splitter (item) and connect equipment as shown below.
  • Page 93 Performance Test Option Electronic Attenuator B25 R&S FSQ Power Splitter calibration data Applied frequency (f Imbalance / dB fresp 100 kHz _______ 1 MHz _______ 10 MHz _______ 50 MHz _______ 100 MHz _______ 128 MHz _______ 200 MHz _______ 300 MHz _______ 400 MHz...
  • Page 94 R&S FSQ Performance Test Option Electronic Attenuator B25 R&S FSQ settings: Set marker to peak of signal - [ MKR : PEAK ] Read level indication from R&S FSQ (reading of marker 1): Power Meter: Read level indication from Power Meter : L PowerMeter Evaluation: Calculate...
  • Page 95 Performance Test Option Electronic Attenuator B25 R&S FSQ B25 with Electronic Attenuator Reference Measurement Test setup: Disconnect the Power Sensor (CHA, Reference Sensor) from the Power Splitter. Connect the open port of the Power Splitter directly to the RF input 1 of the R&S FSQ.
  • Page 96 R&S FSQ Performance Test Option Electronic Attenuator B25 Frequency Response Measurement: Signal generator settings: - Frequency fresp See table of performance test report for values of f fresp R&S FSQ settings: - [ FREQ : CENTER : {f fresp See table in performance test report for values of f fresp - Set marker to peak of signal - [ MKR...
  • Page 97: Frequency Response > 3.6 Ghz

    Performance Test Option Electronic Attenuator B25 R&S FSQ Frequency response > 3.6 GHz Test setup: Standardize the Power Meter and Power Sensor (item 10, 12). Use Power Splitter/Combiner (item 8) and connect equipment as shown below. Connect the power splitter directly to the R&S FSQ RF input 1. Important Note Throughout the remaining steps set the Power Meter Cal Factor as appropriate!
  • Page 98 R&S FSQ Performance Test Option Electronic Attenuator B25 Signal Generator settings: - Frequency fresp See table in performance test report for values of f fresp R&S FSQ settings: - [ FREQ : CENTER : {f fresp See table in performance test report for values of f fresp - Set marker to peak of signal - [ MKR...
  • Page 99 Performance Test Option Electronic Attenuator B25 R&S FSQ R&S FSQ settings: - [ FREQ : CENTER : {f fresp See table in performance test report for values of f fresp - Set marker to peak of signal - [ MKR : PEAK ] Read level indication from R&S FSQ (reading of marker 1): Power Meter:...
  • Page 100: Checking Nonlinearities With Electronic Attenuator

    R&S FSQ Performance Test Option Electronic Attenuator B25 Checking Nonlinearities with Electronic Attenuator Third-Order Intercept Test equipment: - 2 signal generators ( Section "Measurement Equipment", item 2) Frequency range: R&S FSQ 3/26/40: 10 MHz to 3.6 GHz R&S FSQ 8: 10 MHz to 8 GHz Maximum level 0 dBm...
  • Page 101: Checking The Rf Attenuator (With Option B25)

    Performance Test Option Electronic Attenuator B25 R&S FSQ Checking the RF Attenuator (with Option B25) Test equipment: - Signal generator (Section "Measurement Equipment", item 3) frequency 128 MHz maximum level 10 dBm - Step attenuator (Section "Measurement Equipment", item 13) Frequency 128 MHz Attenuation...
  • Page 102: Checking The Rf Attenuator Accuracy With Option B25 (Alternative Measurement)

    R&S FSQ Performance Test Option Electronic Attenuator B25 Checking the RF Attenuator Accuracy with option B25 (alternative Measurement) Test equipment: - Signal Generator (Section "Measurement Equipment", item 4) Frequency 128 MHz Level range -62 to +8 dBm - Power Splitter (Section "Measurement Equipment", item 7) - Fixed Attenuator (Section "Measurement Equipment", item 17) 3 dB / 128 MHz - Measuring Receiver (Section "Measurement Equipment", item 19)
  • Page 103 Performance Test Option Electronic Attenuator B25 R&S FSQ Signal Generator RF Attenuation Ref Level Power Step 1 Set the power of the Signal Generator to the first value listed in the table above. Set RF Attenuation and Reference Level of the R&S FSQ to the first value listed in the table above: - [ AMPT : RF ATTEN MANUAL : xx dB : REF LEVEL xx dBm ] Set R&S FSQ Delta Marker Reference...
  • Page 104: Checking The Electronic Attenuator Accuracy

    R&S FSQ Performance Test Option Electronic Attenuator B25 Checking the electronic Attenuator accuracy Test equipment: - Signal generator (Section "Measurement Equipment", item 3) Frequency 128 MHz Maximum level 0 dBm - Step attenuator (Section "Measurement Equipment", item 13) Frequency 128 MHz Attenuation 0 to 40 dB in 5 dB steps Attenuation accuracy <...
  • Page 105: Checking The Electronic Attenuator Accuracy With Option B25 (Alternative Measurement)

    Performance Test Option Electronic Attenuator B25 R&S FSQ Checking the electronic Attenuator Accuracy with option B25 (alternative Measurement) Test equipment: - Signal Generator (Section "Measurement Equipment", item 4) Frequency 128 MHz Level range -62 to +8 dBm - Power Splitter (Section "Measurement Equipment", item 7) - Fixed Attenuator (Section "Measurement Equipment", item 17) 3 dB / 128 MHz - Measuring Receiver (Section "Measurement Equipment", item 19)
  • Page 106 R&S FSQ Performance Test Option Electronic Attenuator B25 R&S FSQ R&S FSQ Signal Generator RF elec. attenuation Ref Level Power Step 1 Set the power of the Signal Generator to the first value listed in the table above. Set RF Attenuation and Reference Level of the R&S FSQ to the first value listed in the table above: - [ AMPT :NEXT:ELEC ATTEN MANUAL: xx dB : REF LEVEL xx dBm ] Set R&S FSQ Delta Marker Reference...
  • Page 107: Performance Test Option External Mixing B21

    Performance Test Option External Mixing B21 R&S FSQ Performance Test Option External Mixing B21 Checking LO-level Measurement equipment: - Power sensor (section "Measurement Equipment", item 12) Frequency range 7.0 MHz to 15.5 GHz Max. input power + 23 dBm 2.5% referred to measured power Impedance Z = 50 - Power Meter (Section "Measurement Equipment", item 10)
  • Page 108: Checking The Input Lo Out / If In (2-Port-Mixers)

    R&S FSQ Performance Test Option External Mixing B21 Checking the Input LO / IF (2-Port-Mixers) Measurement equipment: - Generator (section "Measurement Equipment", item 2 or 3) frequency f = 404.4 MHz output power P = - 20 dBm R&S FSQ settings: - [ PRESET ] - [ FREQ : EXTERNAL MIXER : SELECT BAND ] - Table settings:...
  • Page 109: Checking The Bias Supply

    Performance Test Option External Mixing B21 R&S FSQ Checking the bias supply Measurement equipment: - DC-current meter (section "Measurement Equipment", item 29) R&S FSQ settings: - [ PRESET ] - [ FREQ : EXTERNAL MIXER ] Switch off LO with service function: - [ SETUP : SERVICE : ENTER PASSWORT 894129 ] - [ SETUP : SERVICE FUNCTION : 2.18.1.2 ] - [ FREQ : EXTERNAL MIXER : SELECT BAND ]...
  • Page 110: Performance Test Option - B23

    R&S FSQ Performance Test Option - B23 Performance Test Option - B23 Comment: The option B23 is implemented in the signal path above 3.6 GHz and is only avaible for the model FSQ 26. Therefore the measurements are done between 3.6 GHz and 26.5 GHz.. Checking Noise Display with Preamplifier (B23) Test equipment: 50- termination (Section "Measurement Equipment", item 9)
  • Page 111: Checking The Level Accuracy And The Frequency Response With Preamplifier (B23)

    Performance Test Option - B23 R&S FSQ Checking the Level accuracy and the Frequency Response with Preamplifier (B23) Test equipment: Section "Measurement Equipment" , item 2) - Signal Generator ( Frequency range: R&S FSQ 26 10 MHz to 26.5 GHz Maximum level 0 dBm - Power Meter (...
  • Page 112 R&S FSQ Performance Test Option - B23 Measuring the frequency response Test setup: Standardize the Power Meter and Power Sensor (item 10, 12). Use Power Splitter/Combiner (item 8) and connect equipment as shown below. Connect the power splitter directly to the R&S FSQ RF input 1. Important Note Throughout the remaining steps set the Power Meter Cal Factor as appropriate!
  • Page 113 Performance Test Option - B23 R&S FSQ Frequency Response Measurement Signal Generator settings: - Frequency fresp See table in performance test report for values of f fresp R&S FSQ settings: - [ SETUP : SIGNAL SOURCE : YIG FILTER {state}] - [ FREQ : CENTER : {f fresp See table in performance test report for values of f...
  • Page 114: Test Procedure For Option Iq Baseband Input Fsq-B71

    R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 Test Procedure for Option IQ Baseband Input FSQ-B71 The baseband input can only be checked using a program on an external PC. For each measurement, 4096 samples of I/Q data are to be taken from the FSQ to calculate the spectrum by means of the complex FFT.
  • Page 115 Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ Firmware/software software FSQ-B71 FSQ I/Q test program Follow the instructions in "readme.txt" for installing the program. Two files are created in a directory selected by the user: ccrptmr6.dll FSUTest.exe The program is started by executing "FSUTest.exe". The program starts with the following default setting.
  • Page 116 R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 Press the buttons "use I" or "use Q" depending on the channel to be measured. The following setting is recommended: rate = 20 MHz samples = 4096 cont(inuous), count = 30 minimum = –120 dBm window = Flat top marker on, number = 2, (unit) dBm...
  • Page 117 Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ Measurement example: -100 -110 -120 Conversion to power in 1 Hz bandwidth: value displayed at the marker – 41.1 dB. In the example: -113.57 dBm – 41.1 dB = -154.67 dBm [1Hz] The correction value –41,1 dB is only valid for the specified setting.
  • Page 118: Testing The Level Error (50 )

    R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 Testing the Level Error (50 ) All test results must be determined from the I/Q data. The sampling rate is 81.6 MHz in each case. Test equipment: Signal generator item 3 Power meter item 10 Power sensor...
  • Page 119 Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ Evaluation: The difference between the signal levels of the power meter and the FSQ reflects the level error of the FSQ. Then evaluate the imbalance: The ratio I-high/Q-high as well as I- low/Q-low at all levels.
  • Page 120 R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ settings: [ SETUP: SIGNAL SOURCE: BASEBAND ANALOG: I/Q INPUT 50 : BALANCED ON: FILTER ON: DITHER OFF ] [ AMPT : REF LEVEL : 1 V ] Measurement sequence: Level on FSQ Freq.
  • Page 121 Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ Dynamic Range (50 Test equipment: Signal generator Item 3 6 dB divider Item 7 Lowpass 15 MHz Item 18 4 x 50 termination Item 25 Spurious and harmonics Test setup: Connect the signal generator RF output with inserted lowpass to the I- high input of the FSQ.
  • Page 122 R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 Evaluation: Measure the noise floor using the FFT. Measure I and Q separately. Also use the measured I data for the FFT and set all Q values to zero and vice versa.
  • Page 123: Checking The Level Error (1 K / 1M )

    Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ Checking the Level Error (1 k / 1M ) All measurement results must be determined from the I/Q data. The sampling rate is 81.6 MHz. Test equipment: Signal generator Item 3 Power meter Item 10 Power sensor...
  • Page 124 R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 Checking the frequency response Test setup: Equip all 4 baseband inputs of the FSQ with a 50 termination (to be directly screwed on). Connect the RF output of the signal generator to the input of the 6 dB divider.
  • Page 125: Dynamic Range (1 K / 1 M )

    Test Procedure for Option IQ Baseband Input FSQ-B71 R&S FSQ Dynamic Range (1 k / 1 M ) Test equipment: Signal generator Item 3 6 dB divider Item 7 Lowpass 15 MHz Item 18 4 x 50 termination Item 25 Spurious and harmonics Test setup: Equip all 4 baseband inputs of the FSQ with a 50...
  • Page 126 R&S FSQ Test Procedure for Option IQ Baseband Input FSQ-B71 I/Q offset Test setup: Equip all 4 baseband inputs of the FSQ with a 50 termination (item 25). FSQ settings: [ SETUP: SIGNAL SOURCE: BASEBAND ANALOG: I/Q INPUT 1k 1 M : BALANCED ON: FILTER ON: DITHER OFF] [ AMPT : REF LEVEL : 100mV ] Evaluation: Evaluation performed from the FFT at the zero frequency.
  • Page 127: Test Procedure For Option I/Q Bandwidth Extension R&Sfsq-B72

    Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 The bandwidth extension can only be checked using a program on an external PC. For each measurement, 4096 samples of I/Q data are to be taken from the FSQ to calculate the spectrum by means of the complex FFT.
  • Page 128 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 A Windows program is available for manual measurements; this program reads the I/Q data, evaluates it with the flattop window and displays the FFT spectrum. The files required for this program can be loaded from "gloris" (https://gloris.rohde-schwarz.com/ ) as follows: Firmware/Software Software...
  • Page 129 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Averaging Continuous averaging: Select averaging and cont(inous), count = 0 Averaging over n FFTs: Set count = n Lin/Log: Default is the averaging of the logarithmic values. For linear averaging, select "use linear values for AVG". Markers On/off switch for all markers.
  • Page 130 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Measuring the absolute level A marker is active in the default setting. The marker automatically jumps to the largest signal and displays the level in dBm. The peak search range of the marker can be limited with limit, if required. Measuring the frequency response: operate the program in the cont(inuous) mode with count = 0, averaging off, only one marker is active.
  • Page 131 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Spurious with input signal Activate two markers, select dBc, set limit to the range specified in the test instruction, averaging, cont(inuous), count = 0. Important: Set lock area = 10 to ensure that also spurious close to the test signal can be detected.
  • Page 132 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Signal-to-noise ratio Number of markers = 1, select dBF, set free marker to the frequency where the noise is to be measured (5 MHz), averaging, use linear values for AVG, cont(inuous), count = 64. The marker on the test signal displays the signal-to-noise ratio in dBc (the displayed unit dBRef signifies dB referenced to the free marker).
  • Page 133 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Noise Floor Number of markers = 0, set free marker to the frequency where the noise is to be measured (5 MHz), averaging, use linear values for AVG, cont(inuous), count = 64. The marker displays the noise power in dBm.
  • Page 134 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Note: Test settings and specifications depend on the model number of the installed option FSQ-B72. Unless otherwise noted test procedures apply to both models 02 and 12. The model number can be read from the instrument as follows: [ SETUP : SYSTEM INFO: HARDWARE INFO ] The FSQ-B72 model number is displayed in line "Bandwidth Ext."...
  • Page 135 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Measurement sequence: - Frequency on generator 128 MHz - Level on generator REF LEVEL on the FSQ model 02 0 dBm +5 dBm 0 dBm 0 dBm -5 dBm -5 dBm -10 dBm -10 dBm...
  • Page 136 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Measurement: Determine the output power of the signal generator using the power meter. Test setup: Connect the RF output of the signal generator to the RF input of the FSQ.
  • Page 137 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ I/Q frequency response Test equipment: Signal generator (2) Power meter (8) Power sensor (10) Power splitter (6) I/Q frequency response at 128 MHz vs IF gain Test setup: Connect the RF output of the signal generator to the attenuator input. Connect output 1 of the attenuator to the power sensor of the power meter.
  • Page 138 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Measurement sequence: model 02 FSQ input level FSQ reference level -5 dBm (±2dB) 0 dBm Frequencies on transmitter FSQ center -30 MHz (98) FSQ center -25 MHz (103) FSQ center -15 MHz (113) FSQ center (128) FSQ center +15 MHz (143)
  • Page 139 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ I/Q frequency response vs RF frequency RF range Test setup: Connect the RF output of the signal generator to the attenuator input. Connect output 1 of the attenuator to the power sensor of the power meter. Connect output 2 of the attenuator to the RF input of the FSQ.
  • Page 140 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Measurement sequence: Center frequencies on the FSQ Only FSQ8 5 GHz 6 GHz 7.9 GHz Only FSQ26/FSQ40 5 GHz 12 GHz 18 GHz 26 GHz Frequencies on the transmitter FSQ center -60MHz FSQ center...
  • Page 141 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Measurement sequence: FSQ input Frequency level on transmitter model 02 -5 dBm 990 MHz 1000 MHz 1025 MHz model 12 -5 dBm 960 MHz 1005 MHz 1030 MHz Evaluation: Use the FFT to determine the level difference between the largest spurious signal and the test signal within: model 02...
  • Page 142 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 Evaluation: Use the FFT to determine the level of the largest spurious signal within: model 02 ±30 MHz model 12 ±60 MHz Exclude the signal at center frequency which is specified especially as IQ offset.
  • Page 143 Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ Third-order intermodulation RF range Test setup: Connect the RF outputs of the two signal generators (2) using a power splitter to the RF input of the FSQ. FSQ settings: [ FREQ : CENTER : 1000 MHz ] [ AMPT : RF ATT: 10 dB: REF LEVEL : -4 dBm ] Measurement sequence:...
  • Page 144 R&S FSQ Test Procedure for Option I/Q Bandwidth Extension R&S FSQ-B72 R&S FSQ settings: - [ FREQ : CENTER : 5000 MHz ] - [ AMPT : RF ATT: 0 dB: model 02 REF LEVEL : -30 dBm ] model 12 REF LEVEL : -20 dBm ] Evaluation: Measuring noise via FFT.
  • Page 145: Test Procedure For Option Digital Baseband Interface R&Sfsq-B17

    Test Procedure for Option Digital Baseband Interface R&S FSQ-B17 R&S FSQ Test Procedure for Option Digital Baseband Interface R&S FSQ-B17 Interconnect both connectors of option R&S FSQ-B17 (IQ DATA I/O) with MDR cable (e.g. R&S Order No. 1130.1302.00). enter service password [SETUP: SERVICE: ENTER PASSWORD: 894129 ENTER] enter service function [SETUP: SERVICE FUNCTIONS: 2.39.10.2.1 : ENTER]...
  • Page 146: Performance Test Report R&S Fsq

    R&S FSQ Performance Test Report R&S FSQ Performance Test Report R&S FSQ Table 1-1 Performance Test report ROHDE & SCHWARZ Performance Test Report Signal Analyzer R&S Version 08-04-17 Model FSQ 3 / FSQ 8 /FSQ 26 / FSQ 40): Order number: 1155.5001.03 / 1155.5001.08 / 1155.5001.26 / 1155.5001.40: Serial number: Test person:...
  • Page 147 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Image frequency Page 1.8 rejection 3rd IF, f 101 MHz ________ FSQ 8 / 26 / 40: 4500 MHz ________ FSQ: 2000 MHz ________ 1st IF rejection Page 1.9...
  • Page 148 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance -order Page 1.10 intercept point, f FSQ 3 /8: 28 MHz ________ 106 MHz ________ 261 MHz ________ 640 MHz ________ 1000 MHz ________ 1700 MHz ________...
  • Page 149 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance -order harmonic Page 1.11 distortion, f 28 MHz ________ 106 MHz ________ 261 MHz ________ 640 MHz ________ 1000 MHz ________ 1700 MHz ________ with option 88 additional:...
  • Page 150 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance IF bandwidth Page 1.13 Bandwidth: 100 Hz ________ 1 kHz ________ 1030 10 kHz ________ 10.3 100 kHz ________ 300 kHz ________ 1 MHz ________ 1100...
  • Page 151 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Noise Display Page 1.14 normalized to 1Hz: noise FSQ3 / 8: ________ –130 9 kHz ________ –136 95 kHz ________ –146 999 kHz ________ –155 9.99 MHz ________ –155...
  • Page 152 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Noise Display Page 1.14 normalized to 1Hz: noise FSQ 8: 3999 MHz ________ – 150 4499 MHz ________ – 150 4999 MHz ________ –...
  • Page 153 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Noise Display Page 1.14 normalized to 1Hz: noise FSQ 26: ________ –151 3601 MHz ________ –151 6999 MHz ________ –149 9999 MHz ________ –149 12999 MHz...
  • Page 154 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.15 RF Attenuation 10 dB DC coupling FSQ : fresp 1 MHz -0.5 ________ +0.5 10 MHz -0.3 ________ +0.3 50 MHz -0.3...
  • Page 155 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.15 RF Attenuation 10 dB DC coupling ________ YIG filter = ON ________ FSQ 26 / 40: ________ ________ resp ________ 9000 MHz...
  • Page 156 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.15 RF Attenuation 10 dB DC coupling YIG filter = ON FSQ 40: resp 27000 MHz -2.5 ________ +2.5 28000 MHz -2.5 ________...
  • Page 157 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.15 RF attenuation 5 dB DC coupling fresp 10 MHz -0.3 ________ +0.3 50 MHz -0.3 ________ +0.3 100 MHz -0.3 ________ +0.3...
  • Page 158 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.15 RF attenuation 40 dB DC coupling fresp 10 MHz -0.3 ________ +0.3 50 MHz -0.3 ________ +0.3 100 MHz -0.3 ________ +0.3...
  • Page 159 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.15 RF Attenuation 10 dB DC coupling YIG filter = OFF FSQ 26 / 40: resp 9000 MHz -1.5 ________ +1.5 10000 MHz...
  • Page 160 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Display linearity Page 1.20 RBW 500 Hz 10 dB ________ 10.1 15 dB ________ 20 dB reference 25 dB -5.1 ________ -4.9 30 dB - 10.1 ________...
  • Page 161 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Display linearity Page 1.20 RBW 20 MHz 10 dB ________ 10.5 15 dB ________ 20 dB reference 25 dB -5.5 ________ -4.5 30 dB –...
  • Page 162 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Phase noise Page 1.34 for instruments with serial numbers smaller than 200000 Offset frequency: 100 Hz ________ dBc (1Hz) 1 kHz ________ -112 dBc (1Hz) 10 kHz...
  • Page 163 Performance Test Report R&S FSQ R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Return Loss Page 1.43 RF input RF att 10 dB / DC FSQ 3 / 8: 10 MHz ________ 250 MHz ________ 500 MHz ________ 750 MHz...
  • Page 164 R&S FSQ Performance Test Report R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance FSQ 26 / 40: 10 MHz ________ 250 MHz ________ 500 MHz ________ 750 MHz ________ 1000 MHz ________ 1250 MHz ________ 1500 MHz ________ 1750 MHz...
  • Page 165 Performance Test Report Option R&S FSU-B9 R&S FSQ Performance Test Report Option R&S FSU-B9 Table 1-2: Performance Test Report Option B9, B12 ROHDE & SCHWARZ Performance Test Report Option B9 Version 08-04-17 Serial number: Option B12 installed: yes / no Test person: Date: Signature:...
  • Page 166 R&S FSQ Performance Test Report Option R&S FSU-B9 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.46 Tracking generator 100 kHz to 3.6 GHz output level, referenced to 128 MHz: Without option B12 0 dBm ________ - 5 dBm –...
  • Page 167 Performance Test Report Option R&S FSU-B9 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Checking Modulation Page 1.49 Tracking generator AM modulation ________ Carrier level Sgnl spacing 1001 MHz ________ Signal spacing 999 MHz ________ Checking modulation Page 1.50 Tracking generator...
  • Page 168: Performance Test Report Option R&S Fsu-B9

    R&S FSQ Performance Test Report Option R&S FSU-B24 Performance Test Report Option R&S FSU-B24 Table 1-3: Performance Test Report Option R&S FSU-B24 ROHDE & SCHWARZ Performance Test Report Option R&S FSU-B24 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic Included in Min.
  • Page 169 Performance Test Report Option R&S FSU-B24 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Noise Display Page 1.52 normalized to 1 Hz preamplifier = OFF noise FSQ 40: 26799 MHz ________ -131 30999 MHz ________ -131 34999 MHz ________...
  • Page 170 R&S FSQ Performance Test Report Option R&S FSU-B24 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Noise Display Page 1.52 normalized to 1 Hz preamplifier = ON YIG filter = ON noise FSQ 40: 26799 MHz ________ -160 30999 MHz ________...
  • Page 171 Performance Test Report Option R&S FSU-B24 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.53 <3.6 GHz RF Attenuation 10 dB DC coupling preamplifier = ON fresp FSQ 26/40: 100 kHz -0.8 ________ +0.8 1 MHz...
  • Page 172 R&S FSQ Performance Test Report Option R&S FSU-B24 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response Page 1.53 >3.6 GHz RF Attenuation 10 dB DC coupling preamplifier = ON YIG filter = ON fresp FSQ 26/40: 3610 MHz -2.0 ________...
  • Page 173 Performance Test Report Option R&S FSU-B24 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response >3.6 GHz RF Attenuation 10 dB DC coupling preamplifier = ON YIG filter = ON fresp FSQ 40: 27000 MHz -3.0 ________ +3.0...
  • Page 174 R&S FSQ Performance Test Report Option R&S FSU-B24 Characteristic Included in Min. value Actual value Max. value Unit Tolerance 9000 MHz ________ 10000 MHz ________ 11000 MHz ________ 12000 MHz ________ 13000 MHz ________ 14000 MHz ________ 15000 MHz ________ 16000 MHz ________ 17000 MHz...
  • Page 175: Performance Test Report Option B25

    Performance Test Report Option B25 R&S FSQ Performance Test Report Option B25 Table 1-4: Performance Test Report Option B25 ROHDE & SCHWARZ Performance Test Report Option B25 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic included in Min. value Actual value Max.
  • Page 176 R&S FSQ Performance Test Report Option B25 Characteristic included in Min. value Actual value Max. value Unit Tolerance Level accuracy with Page 1.61 Preamplifier (B25) at 128 MHz, -30 dBm -0.3 ________ +0.3 Level accuracy with Page 1.61 electronic attenuator at 128 MHz, -30 dBm -0.3 ________...
  • Page 177 Performance Test Report Option B25 R&S FSQ Characteristic included in Min. value Actual value Max. value Unit Tolerance Frequency Response Page 1.61 elec. attenuator (B25) = 5 dB FSQ: f fresp 10 MHz ________ 50 MHz -0.6 ________ +0.6 100 MHz -0.6 ________ +0.6...
  • Page 178 R&S FSQ Performance Test Report Option B25 Characteristic included in Min. value Actual value Max. value Unit Tolerance Frequency Response Page 1.61 elec. attenuator (B25) = 10 dB FSQ: f fresp 10 MHz ________ 50 MHz -0.6 ________ +0.6 100 MHz -0.6 ________ +0.6...
  • Page 179 Performance Test Report Option B25 R&S FSQ Characteristic included in Min. value Actual value Max. value Unit Tolerance Frequency Response Page 1.61 elec. attenuator (B25) = 15 dB FSQ: f fresp 10 MHz ________ 50 MHz -0.6 ________ +0.6 100 MHz -0.6 ________ +0.6...
  • Page 180 R&S FSQ Performance Test Report Option B25 Characteristic included in Min. value Actual value Max. value Unit Tolerance 3rd-order intercept Page 1.71 point with elec. att., f FSQ: 28 MHz ________ 106 MHz ________ 261 MHz ________ 640 MHz ________ 1000 MHz ________ 1700 MHz...
  • Page 181: Performance Test Report Option Fsu-B21

    Performance Test Report Option FSU-B21 R&S FSQ Performance Test Report Option FSU-B21 Table 1-5: Performance Test Report Option B21 ROHDE & SCHWARZ Performance Test Report Option B21 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic Included in Min. value Actual value Max.
  • Page 182: Performance Test Report Option B23

    R&S FSQ Performance Test Report Option B23 Performance Test Report Option B23 Table 1-6: Performance Test Report Option B23 ROHDE & SCHWARZ Performance Test Report Option B23 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic Included in Min. value Actual value Max.
  • Page 183 Performance Test Report Option B23 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Frequency response page 1.82 with Preamplifier (B23) FSQ 26: f fresp 3610 MHz ________ 4000 MHz ________ 4500 MHz ________ 5000 MHz ________ 5500 MHz ________...
  • Page 184: Performance Test Report Option R&S Fsq-B71

    R&S FSQ Performance Test Report Option R&S FSQ-B71 Performance Test Report Option R&S FSQ-B71 Table 1-7: Performance Test Report Option R&S FSQ-B71 ROHDE & SCHWARZ Performance Test Report Option R&S FSQ-B71 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic Included in Min.
  • Page 185 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Input I-low RefLevel 5.62 V -0.25 ____________ +0.25 3.16 V -0.25 ____________ +0.25 1.78 V -0.25 ____________ +0.25 -0.25 ____________ +0.25 562 mV -0.25 ____________...
  • Page 186 R&S FSQ Performance Test Report Option R&S FSQ-B71 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Input Q-low RefLevel 5.62 V -0.25 ____________ +0.25 3.16 V -0.25 ____________ +0.25 1.78 V -0.25 ____________ +0.25 -0.25 ____________ +0.25 562 mV -0.25 ____________...
  • Page 187 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance I-low – Q-low RefLevel 5.62 V -0.1 ____________ +0.1 3.16 V -0.1 ____________ +0.1 1.78 V -0.1 ____________ +0.1 -0.1 ____________ +0.1 562 mV -0.1...
  • Page 188 R&S FSQ Performance Test Report Option R&S FSQ-B71 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Input I-low RefLevel 1 V 2 MHz -0.3 ____________ +0.3 5 MHz -0.3 ____________ +0.3 10 MHz -0.3 ____________ +0.3 20 MHz -0.3 ____________ +0.3...
  • Page 189 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Input Q-low RefLevel 1V 2 MHz -0.3 ____________ +0.3 5 MHz -0.3 ____________ +0.3 10 MHz -0.3 ____________ +0.3 20 MHz -0.3 ____________ +0.3...
  • Page 190 R&S FSQ Performance Test Report Option R&S FSQ-B71 Characteristic Included in Min. value Actual value Max. value Unit Tolerance I/Q Imbalance, page 1.89 Frequency response without filter, 50 I-high – Q-high RefLevel 1 V -0.15 ____________ +0.15 2 MHz -0.15 ____________ +0.15 5 MHz...
  • Page 191 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance I-low – Q-low RefLevel 1 V 2 MHz -0.15 ____________ +0.15 5 MHz -0.15 ____________ +0.15 10 MHz -0.15 ____________ +0.15 20 MHz -0.15 ____________...
  • Page 192 R&S FSQ Performance Test Report Option R&S FSQ-B71 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Input I-low RefLevel 1 V 2 MHz -0.3 ____________ +0.3 5 MHz -0.3 ____________ +0.3 10 MHz -0.3 ____________ +0.3 20 MHz -0.3 ____________ +0.3...
  • Page 193 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance I/Q Imbalance, page 1.90 Frequency response with filter, 50 I-high – Q-high RefLevel 1 V -0.15 ____________ +0.15 2 MHz -0.15 ____________ +0.15 5 MHz...
  • Page 194 R&S FSQ Performance Test Report Option R&S FSQ-B71 Characteristic Included in Min. value Actual value Max. value Unit Tolerance Input I-low RefLevel 1 V 12 MHz ____________ 30 MHz ____________ RefLevel 316 mV 12 MHz ____________ 30 MHz ____________ RefLevel 100 mV 12 MHz ____________ 30 MHz...
  • Page 195 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance Noise floor, page 1.92 50 , balanced Noise voltage in 1 Hz bandwidth Channel Q ____________ RefLevel 562 mV ____________ RefLevel 178 mV ____________ RefLevel 31.6 mV Channel I...
  • Page 196 R&S FSQ Performance Test Report Option R&S FSQ-B71 Characteristic included in Min. value Actual value Max. value Unit Tolerance Level error Absolute error at page 1.94 1 MHz, 1 k / 1 M RefLevel 1 V -0.25 ____________ +0.25 Input I-high -0.25 ____________ +0.25...
  • Page 197 Performance Test Report Option R&S FSQ-B71 R&S FSQ Characteristic included in Min. value Actual value Max. value Unit Tolerance I/Q imbalance, page 1.94 Frequency response, 1 k / 1 M RefLevel 1V I-high – Q-high -0.15 ____________ +0.15 5 MHz -0.15 ____________ +0.15...
  • Page 198: Performance Test Report Option R&S Fsq-B72

    R&S FSQ Performance Test Report Option R&S FSQ-B72 Performance Test Report Option R&S FSQ-B72 Table 1-8: Performance Test Report Option R&S FSQ-B72 ROHDE & SCHWARZ Performance Test Report Option R&S FSQ-B72 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic Included in Min.
  • Page 199 Performance Test Report Option R&S FSQ-B72 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance only FSQ26/FSQ40 -1.5 _________ 5 GHz -2.5 _________ 12 GHz -2.5 _________ 18 GHz -2.5 _________ 22 GHz -2.5 _________ 26 GHz only R&S FSQ40 30 GHz -2.5...
  • Page 200 R&S FSQ Performance Test Report Option R&S FSQ-B72 Characteristic Included in Min. value Actual value Max. value Unit Tolerance I/Q frequency Page 1.108 response at 128 MHz vs IF gain model 02 REF LEVEL 0 dBm offset -30 MHz -0.6 _________ -25 MHz -0.3...
  • Page 201 Performance Test Report Option R&S FSQ-B72 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance REF LEVEL -20 dBm offset -30 MHz -0.6 _________ -25 MHz -0.3 _________ -15 MHz -0.3 _________ 0 MHz Reference value +15 MHz -0.3 _________...
  • Page 202 R&S FSQ Performance Test Report Option R&S FSQ-B72 Characteristic Included in Min. value Actual value Max. value Unit Tolerance REF LEVEL +5 dBm offset -60 MHz -0.6 _________ +0.6 -40 MHz -0.3 _________ +0.3 -30 MHz -0.3 _________ +0.3 -25 MHz -0.3 _________ +0.3...
  • Page 203 Performance Test Report Option R&S FSQ-B72 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance REF LEVEL -10 dBm offset -60 MHz -0.6 _________ +0.6 -40 MHz -0.3 _________ +0.3 -30 MHz -0.3 _________ +0.3 -25 MHz -0.3 _________ +0.3...
  • Page 204 R&S FSQ Performance Test Report Option R&S FSQ-B72 Characteristic Included in Min. value Actual value Max. value Unit Tolerance = 1800 MHz center offset -30 MHz -0.6 _________ -25 MHz -0.3 _________ -15 MHz -0.3 _________ 0 MHz Reference value +15 MHz -0.3 _________...
  • Page 205 Performance Test Report Option R&S FSQ-B72 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance = 1800 MHz center offset -60 MHz -0.6 _________ -40 MHz -0.3 _________ -30 MHz -0.3 _________ -25 MHz -0.3 _________ -15 MHz -0.3 _________...
  • Page 206 R&S FSQ Performance Test Report Option R&S FSQ-B72 Characteristic Included in Min. value Actual value Max. value Unit Tolerance models 02 and 12 only R&S R&S FSQ8 = 5 GHz center offset -60 MHz -0.6 _________ -40 MHz -0.6 _________ -20 MHz -0.6 _________...
  • Page 207 Performance Test Report Option R&S FSQ-B72 R&S FSQ Characteristic Included in Min. value Actual value Max. value Unit Tolerance = 12 GHz center offset -60 MHz -0.6 _________ -40 MHz -0.6 _________ -20 MHz -0.6 _________ 0 MHz Reference value +20 MHz -0.6 _________...
  • Page 208 R&S FSQ Performance Test Report Option R&S FSQ-B72 Characteristic Included in Min. value Actual value Max. value Unit Tolerance = 4 GHz center signal 3960 MHz _________ 4000 MHz _________ 4025 MHz _________ 4055 MHz _________ model 12 = 1 GHz center signal 960 MHz...
  • Page 209 = 995 / 1005 MHz _________ signal = 4 GHz center =3990 / 4010 MHz _________ signal Noise floor Page 1.114 = 1 GHz center R&S FSQ3/R&S FSQ8 _________ -150 dBm [1Hz] R&S FSQ26/R&S _________ -148 dBm [1Hz] FSQ40 = 5 GHz _________ -147...
  • Page 210: Performance Test Report Option R&S Fsq-B17

    R&S FSQ Performance Test Report Option R&S FSQ-B17 Performance Test Report Option R&S FSQ-B17 Table 1-9: Performance Test Report Option R&S FSQ-B17 ROHDE & SCHWARZ Performance Test Report Option R&S FSQ-B17 Version 08-04-17 Serial number: Test person: Date: Signature: Characteristic Included in Min.
  • Page 212 R&S FSQ Contents - Adjustment Contents - Chapter 2 "Adjustment" 2 Adjustment ......................2.1 Service Menu ............................2.1 Entering the Password....................2.2 Adjustment Functions ....................2.2 Manual Adjustment ..........................2.3 Test Instructions........................2.3 Measuring Equipment and Accessories ..................2.3 Adjusting the level measurement accuracy ................2.4 Adjusting the frequency accuracy ....................2.6 Adjustment of Module Data......................2.8 Frequency response correction .....................2.8 1155.5047.82...
  • Page 213 Contents - Adjustment R&S FSQ This page is left blank intentionally. 1155.5047.82 I-2.2...
  • Page 214: Adjustment

    R&S FSQ Service Menu 2 Adjustment The following chapter describes the adjustment of the reference sources as well as the software- controlled adjustment of individual module data following module replacement. The R&S FSQ permits the following manual adjustments: • Adjustment of the 10 MHz reference oscillator which determines the frequency accuracy of the R&S •...
  • Page 215: Entering The Password

    Service Menu R&S FSQ Entering the Password SETUP SERVICE submenu: The ENTER PASSWORD softkey allows the entry of a password. ENTER PA SSWORD The R&S FSQ contains a variety of service functions which, if incorrectly used, can impair the functionality of the analyzer. These functions are normally not accessible and are only usable after the entry of a password.
  • Page 216: Manual Adjustment

    R&S FSQ Manual Adjustment Manual Adjustment In the following, the measuring instruments and auxiliary means required for the manual adjustment of the R&S FSQ, the appropriate preparations of the instrument as well as the individual adjustments will be explained. Test Instructions •...
  • Page 217: Adjusting The Level Measurement Accuracy

    Manual Adjustment R&S FSQ Adjusting the level measurement accuracy Test equipment: - Signal generator (Section "Measurement Equipment", item 2): frequency 128 MHz level -30 dBm - power meter (Section "Measurement Equipment", item 3) - power sensor (Section "Measurement Equipment", item 4) frequency 128 MHz ≥...
  • Page 218 R&S FSQ Manual Adjustment CAUTION The following re-alignment changes the level of the internal calibration source. Since this adjustment influences the level measurement accuracy of the R&S FSQ, it is strongly recommended to perform this adjustment only if the level is not within the tolerance. R&S FSQ settings: - [ SETUP : SERVICE : ENTER PASSWORD : 894129 ENTER ] - [ SETUP : SERVICE : CAL SIGNAL POWER ]...
  • Page 219: Adjusting The Frequency Accuracy

    Manual Adjustment R&S FSQ Adjusting the frequency accuracy Preparation: The measurement can be performed either with a signal generator at connector RF INPUT (front of R&S FSQ) at 1 GHz or at connector EXT REF OUT (rear of R&S FSQ) at 10 MHz using a frequency counter For the adjustment, the R&S FSQ must be set to internal reference.
  • Page 220 R&S FSQ Manual Adjustment Preparation for adjustment with frequency counter: Test equipment: Frequency counter (Section "Measurement Equipment", item 1): error < 1x10 frequency range up to 10 MHz Test setup: connect frequency counter to 10-MHz reference output of the R&S FSQ (rear panel) R&S FSQ settings: - [SETUP : REFERENCE INT / EXT ]...
  • Page 221: Adjustment Of Module Data

    Adjustment of Module Data R&S FSQ Adjustment of Module Data All boards of the R&S FSQ contain EEPROMS for storage of board data. In addition to some standard information such as module name, serial number, hardware status and date of manufacture, these stored data items contain important pieces of information within value tables from module pre-testing, e.g.
  • Page 222 Replacing Floppy Disk Drive A30...................3.28 Replacing Power Supply A20 ....................3.29 Replacing Fan E1........................3.30 Replacing RF Input Connector (Cable W1) R&S FSQ3/8............3.31 Replacing RF INPUT Connector (Testport Adapter) R&S FSQ26 .........3.32 Replacing RF-INPUT (Testport Adapter) R&S FSQ26 ............3.33 Replacing Motherboard A10....................3.34 Replacing RF Attenuator A40....................3.36...
  • Page 223 Contents-Repair R&S FSQ Replacing Electronic Attenuator A50 (Option B25) ..............3.78 Replacing I/Q Memory Extension (Option B100) ..............3.79 Replacing Memory Modules (Option B102) ................3.81 Replacing Preamplifier A50 (Option B24) ................3.82 Replacing IQ DATA IN/OUT A290 (Option B17)..............3.83 Troubleshooting ..........................3.85 Measuring Equipment and Accessories.................3.85 Troubleshooting Switch-on Problems ..................3.86 Troubleshooting Problems with Booting.................3.87 Troubleshooting - Loading Module EEPROMs ..............3.93...
  • Page 224: Repair

    R&S FSQ Instrument Design and Function Description 3 Repair This chapter describes the design of the R&S FSQ, simple measures for repair and troubleshooting and the replacement of modules. For troubleshooting and diagnostics, a selftest is available that can be used to poll diagnostic voltages of the modules and signal limit violations.
  • Page 225: Description Of Block Diagram

    -30 dBm for calibration purposes or 0 dBm for the selftest of the instrument. Different attenuators are used: the 8 GHz attenuator in the R&S FSQ3 and R&S FSQ8, and the microwave attenuators up to 26 GHz or 46 GHz. All attenuators switch in steps of 5 dB and have maximum total attenuation of 75 dB;...
  • Page 226: Fig. 3-3 Conversion Of The Rf To The Third If From 20 Hz To 3.6 Ghz

    R&S FSQ Instrument Design and Function Description RF to IF Conversion for Frequencies < 3.6 GHz – RF Converter The RF converter is used to convert the signal in the reception range from 20 Hz to 3.6 GHz to a low intermediate frequency of 20.4 MHz.
  • Page 227: Fig. 3-4 Conversion Of The Rf To The If From 3.6 Ghz

    Instrument Design and Function Description R&S FSQ RF to IF Conversion for Frequencies > 3.6 GHz - MW Converter The high-frequency models of the R&S (frequency range > 3.6 GHz) also comprise a microwave converter board. After the RF attenuator, the input signals are fed to the microwave converter and split up in the diplexer to frequencies below 3.6 GHz and above 3.6 GHz.
  • Page 228: Fig. 3-5 If Filter

    R&S FSQ Instrument Design and Function Description IF Filter Module The RF converter is followed by the analog IF filter module: 20.4 MHz from Log Amp RF Converter Step Gain LC Filter LC Filter, -20 ...50 dB or Bypass to Detector Board XTAL Filter Wide Band...
  • Page 229: Fig. 3-6 Processing Of Measured Data

    Instrument Design and Function Description R&S FSQ Processing of Measured Data - Detector Board The sections below explain the signal and data paths required for result processing in the various operating modes: WDDC IF / Video Wideband SD-Ram Resampler Digital SD-Ram Controller Down...
  • Page 230: Fig. 3-7 Synchronization Of 1St Local Oscillator

    R&S FSQ Instrument Design and Function Description FFT Bandwidths In FFT bandwidth mode, the synthesizer is set to the desired frequency via the DCON, which also generates the tuning voltages for the analog hardware. The signal path is routed via ADC, Corr RAM and WDDC.
  • Page 231 Instrument Design and Function Description R&S FSQ 2nd Local Oscillator - Synthesizer The second local oscillator is a DRO (dielectric resonator oscillator) on the synthesizer board at 4224 MHz. This oscillator is synchronized to a harmonic of the 3rd LO (384 MHz). This type of oscillator features excellent phase noise values.
  • Page 232: Fig. 3-8 Sweep Synthesizer

    R&S FSQ Instrument Design and Function Description Sweep VCO - Synthesizer The sweep VCO on the synthesizer board is used to synchronize the YIG oscillator on the RF converter. An oscillator with ceramic resonator at approx. 600 MHz is used. This VCO can be tuned over quite a small range of about 20 MHz for good phase noise performance.
  • Page 233 Instrument Design and Function Description R&S FSQ Front module controller The front module controller contains all the necessary components on a board such as processor, memory chips (SIMM modules), I/O devices (ISA bus), lithium battery, IEC/IEEE-bus controller, two serial interfaces (COM1/2), a parallel interface (LPT), LCD graphics controller, external VGA monitor graphics interface (monitor) and an external keyboard connection (keyboard PS/2).
  • Page 234 R&S FSQ Volume / Phones The volume/phones board is located on the front mounting plate and accommodates the external interfaces PHONES (headphones connector) and the volume control (rotary encoder) for the AF demodulator. For connection with the motherboard, a ribbon cable is used. Tracking Generator (Option FSU-B9) In normal operation (no frequency offset), the tracking generator generates a signal exactly at the input frequency of the R&S FSQ in the frequency range up to 3.6 GHz.
  • Page 235: Module Replacement

    Module Replacement R&S FSQ Module Replacement This section describes in detail the replacement of modules. Chapter 5 provides information on how to order spare parts; it contains the list of mechanical parts with order numbers and the illustrations for board replacement. Note: The numbers indicated in brackets refer to the item position in the list of mechanical parts in chapter 5.
  • Page 236: Performing A Cold Start

    R&S FSQ Module Replacement Performing a Cold Start A cold start has to be performed as described below each time a module containing an EEPROM has been replaced. Connect the power cable and press the power switch. While the ON key is pressed, the decimal point key must be pressed and held down until the computer responds with a beep.
  • Page 237 Module Replacement R&S FSQ Overview of the Modules Table 3-1 Overview - module replacement Required tests and adjustments after replacement Module Function tests and Adjustment Other system error correction Front module controller SYSTEM MESSAGES/ BIOS update SELFTEST / CAL Lithium battery SYSTEM MESSAGES/ Cold boot SELFTEST / CAL...
  • Page 238 R&S FSQ Module Replacement Required tests and adjustments after replacement Module Function tests and Adjustment Other system error correction External Mixer -B21 SYSTEM MESSAGES/ Frequency response Cold boot SELFTEST / CAL Preamplifier 26.5 GHz -B23 SYSTEM MESSAGES/ Frequency response Cold boot SELFTEST / CAL Trigger Port B28 SYSTEM MESSAGES/...
  • Page 239: Replacing Front Module Controller A90

    Module Replacement R&S FSQ Replacing Front Module Controller A90 (see chapter 5, spare parts list, item 573 and illustrations 1155.5001 and 1166.1677) The front module controller is mounted behind the front panel. Opening Instrument and Removing Front Panel Switch off the instrument and pull the mains plug. Undo the 4 screws (430) on the front handles on both sides and take off the front handles.
  • Page 240: Fig. 3-10 Position Of Connectors On Front Module Controller

    R&S FSQ Module Replacement Installing New Front Module Controller and Completing Instrument Remove the additional RAM (574) from the old controller and mount it to the new controller. Carefully plug the new front module controller to the motherboard and fasten it in place using the 9 screws with washers (590).
  • Page 241: Replacing Lithium Battery On Front Module Controller

    Module Replacement R&S FSQ Replacing Lithium Battery on Front Module Controller (see chapter 5, spare parts list, item 776 and illustrations 1155.5001 and 1166.1677) The lithium battery is accommodated on the front module controller board behind the front panel. Caution! Lithium batteries must not be exposed to high temperatures or fire.
  • Page 242: Fig. 3-11 Position Of Lithium Battery On Front Module Controller

    R&S FSQ Module Replacement Removing Lithium Battery Carefully lift and remove the battery. Note: 3.4 V lithium battery ( 20 mm * 3 mm ) R&S Order No. 0858.2049.00 Fig. 3-11 Position of lithium battery on front module controller Installing New Battery and Completing Instrument Caution! Do not short-circuit the battery.
  • Page 243 Module Replacement R&S FSQ Putting Instrument into Operation Connect the instrument to the AC supply and switch on the power switch. The instrument is now in the stand-by mode. After battery replacement, a cold boot is required. See section "Performing a Cold Start". After starting the instrument, check the log file for system messages: - [ SETUP : SYSTEM INFO : SYSTEM MESSAGES ] Start the selftest and check results:...
  • Page 244: Replacing Hard Disk A60

    R&S FSQ Module Replacement Replacing Hard Disk A60 (see chapter 5, spare parts list, item 710, and illustrations 1155.5001 and 1166.1677) The hard disk is located between the front module and the boards. The spare part contains the complete software. Before removal: Frequency response data for option FSQ-B72 (I/Q bandwidth extension) If the FSQ-B72 option is installed, the correction data for the I/Q frequency response is located on the...
  • Page 245 Module Replacement R&S FSQ Without option FSQ-B72: After starting the instrument, check the log file for system messages: - [ SETUP : SYSTEM INFO : SYSTEM MESSAGES ] Perform a firmware update to actual version if necessary. See section "Software Update/Installing Options".
  • Page 246: Replacing Lcd And Dc/Ac Converter In Front Module

    R&S FSQ Module Replacement Replacing LCD and DC/AC Converter in Front Module (see chapter 5, spare parts list, items 601, 921 and 871, and illustrations 1155.5001, 1166.1677, 1093.4708) The LCD is accommodated on the mounting plate together with the associated DC/AC converter. It is connected to the front module controller via cables, which can also be replaced individually.
  • Page 247: Fig. 3-12 Position Of Connectors On Front Module Controller

    Module Replacement R&S FSQ Installing New LCD and/or DC/AC Converter and Putting into Operation To insert the new LCD and/or DC/AC converter, proceed in the reverse order, connect all cables in the correct position and tighten all screws (drawing 1093.4708). Place the front panel with the keys on top of the instrument so that the cables can be connected to the front module controller.
  • Page 248: Replacing Keyboard Membrane Or Mat On Front Module

    R&S FSQ Module Replacement Replacing Keyboard Membrane or Mat on Front Module (see chapter 5, spare parts list items 631 and 641, and illustrations 1155.5001, 1166.1677) The keyboard membrane is the contact film for the rubber keys (mat) behind the front cover and the keyboard frame.
  • Page 249: Fig. 3-13 Position Of Connectors On Front Module Controller

    Module Replacement R&S FSQ Installing New Membrane and Completing Instrument Insert the new mat (631) into the keyboard frame (621) from the back. Note: The pins of the mat must be inserted into the holes at the keyboard frame. Position the new keyboard membrane (641) on the back of the mat (631). Note: Push the foil cable of the membrane through the slot in the mounting panel.
  • Page 250: Replacing Front Cover On Front Module

    R&S FSQ Module Replacement Replacing Front Cover on Front Module (see chapter 5, spare parts list, items 270/280/290, and illustration 1155.5001) The front cover is the outer front panel that carries the labels. Each model has its own front cover. Switch off the instrument and pull the mains plug.
  • Page 251: Replacing Floppy Disk Drive A30

    Module Replacement R&S FSQ Replacing Floppy Disk Drive A30 (see chapter 5, spare parts list, item 670, and illustrations 1155.5001, 1166.1677) Opening Instrument and Removing Floppy Disk Drive Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 252: Replacing Power Supply A20

    R&S FSQ Module Replacement Replacing Power Supply A20 (see chapter 5, spare parts list, item 550, and illustration 1166.1677) The power supply is installed at the rear of the instrument frame. Removing Power Supply Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the rear.
  • Page 253: Replacing Fan E1

    Module Replacement R&S FSQ Replacing Fan E1 (see chapter 5, spare parts list, item 15, and illustration 1155.5001) The fan is installed at the right side of the frame. Opening Instrument and Removing Fan Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 254: Replacing Rf Input Connector (Cable W1) R&S Fsq3/8

    R&S FSQ Module Replacement Replacing RF Input Connector (Cable W1) R&S FSQ3/8 (see capter 5, spare parts list, item 295, and illustration 1155.5001) The RF input connector is installed at the bottom right side of the front panel. Depending on the frequency range, different cables W1 are available.
  • Page 255: Replacing Rf Input Connector (Testport Adapter) R&S Fsq26

    Module Replacement R&S FSQ Replacing RF INPUT Connector (Testport Adapter) R&S FSQ26 (see chapter 5, spare parts list, item 315, and illustration 1155.5001) The input connector is at the bottom right of the front panel. Different connectors are used depending on the frequency range of the instrument.
  • Page 256: Replacing Rf-Input (Testport Adapter) R&S Fsq26

    R&S FSQ Module Replacement Replacing RF-INPUT (Testport Adapter) R&S FSQ26 (see chapter 5, spare parts list, item 320, and illustration 1155.5001) The input is located at the bottom right of the front panel. The input design will vary depending on the frequency range of the instrument.
  • Page 257: Replacing Motherboard A10

    Module Replacement R&S FSQ Replacing Motherboard A10 (see chapter 5, spare parts list, item 510 and illustrations 1155.5001 and 1166.1677) The motherboard is located at the bottom. Before removing the motherboard, you must determine the EEPROM entry for the specification version: - [ SETUP : SERVICE : ENTER PASSWORD „30473035“...
  • Page 258 R&S FSQ Module Replacement Installing New Motherboard and Completing Instrument Reinstall the motherboard in the instrument in the reverse order. Note: Be careful when installing the motherboard in order not to cause damage to any components. Make sure to connect the cables according to their labels. Insert the front module controller, front panel, power supply, boards and cables, top cover, enclosure and rear-panel feet in the reverse order.
  • Page 259: Replacing Rf Attenuator A40

    W1 (322) on the R&S FSQ 26 from the input of the RF attenuator. Carefully take out the RF attenuator and unscrew the flexible RF cable from the input. Disconnect ribbon cable from motherboard connector X41 on the R&S FSQ3/8 or at X40 on the R&S FSQ.
  • Page 260 R&S FSQ Module Replacement Start total calibration and check results: - [ CAL : CAL TOTAL ] , then [ CAL RESULTS ] Execute frequency response correction FSU-FRQ.EXE. The software is located on the Gloris server. Test setup according to menu item "Schematic" (connect external reference). Check IEC/IEEE addresses and configuration of instruments.
  • Page 261: Replacing Probe Board Module A80 And Vol./Phone Board A191

    Module Replacement R&S FSQ Replacing Probe Board Module A80 and Vol./Phone Board A191 (see chapter 5, spare parts list, items 43 and 50, and illustration 1155.5001) The boards are located behind the front-panel connectors Probes, Headphones and the volume control knob.
  • Page 262: Fig. 3-14 Pin Assignments Of Probe Power Connector

    R&S FSQ Module Replacement Installing New Boards and Completing Instrument Fasten the new Probe board (50) to the mounting plate ( 61) using 4 countersunk screws (55). Fasten the new Vol./Phone board (43) to the mounting bracket (44) using the nut of the volume control and 1 screw with washer (45).
  • Page 263: Replacing Usb2.0 Board A310

    Module Replacement R&S FSQ Replacing USB2.0 Board A310 (see chapter 5, spare parts list, Pos. 57 and illustration 1155.5001) The boards are located behind the front-panel. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take out the enclosure (410) towards the back.
  • Page 264 R&S FSQ Module Replacement Function Test Connect the instrument to the AC supply, switch on the power switch and press the ON key. Connect an USB keyboard to the USB socket on the front of the unit (USB board (57). Simultaneously press the CTRL and ESC keys on the keyboard.
  • Page 265: Replacing Rf Frontend A100

    Module Replacement R&S FSQ Replacing RF Frontend A100 (see chapter 5, spare parts list, item 100, and illustration 1155.5001) The board is located in the middle of the instrument . Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 266: Replacing Synthesizer A110

    R&S FSQ Module Replacement Replacing Synthesizer A110 (see chapter 5, spare parts list, item 105, and illustration 1155.5001) The board is located in the middle of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and pull off the enclosure (410) towards the back.
  • Page 267 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 268: Replacing Detector A140

    R&S FSQ Module Replacement Replacing Detector A140 (see chapter 5, spare parts list, item 110, and illustration 1155.5001) The board is located in the front part of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 269: Replacing If Filter A130

    Module Replacement R&S FSQ Replacing IF Filter A130 (see chapter 5, spare parts list, item 120, and illustration 1155.5001) The board is located in the middle of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 270: Replacing 8 Ghz Converter Unit A160; Fsq8

    R&S FSQ Module Replacement Replacing 8 GHz Converter Unit A160; FSQ8 (see chapter 5, spare parts list, items 130 to 140, and illustration 1155.5001) The board is located in the middle of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 271 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 272: Replacing Diplexer A162; Fsq8

    R&S FSQ Module Replacement Replacing Diplexer A162; FSQ8 (see chapter 5, spare parts list, item 2030 and illustration 1130.2544) The board is located on the 8 GHz Converter Unit. Removing Diplexer on MW Converter 1130.2544 Remove the 8 GHz Converter Unit (130). Note: See description "Replacing 8 GHz Converter Unit A160;...
  • Page 273 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 274: Replacing 8 Ghz Yig Unit A161; R&S Fsq8

    R&S FSQ Module Replacement Replacing 8 GHz YIG Unit A161; R&S FSQ8 (see chapter 5, spare parts list, items 2015 and 2020, and illustration 1130.2544) The board is located on the 8 GHz Converter Unit. Note: Only the YIG units (with YIG filter, cable, sheet metal part) are replaced. The interface is thus always the same when using other YIG filters.
  • Page 275 Module Replacement R&S FSQ Execute frequency response correction software FSU-FRQ.EXE. The software is on the GLORIS server. Test setup according to menu item "Schematic" (connect external reference). Check IEC/IEEE addresses and configuration of instruments. Press the Autoselect button and perform measurement with Run. The frequency correction of the YIG filter is performed under item YIG.
  • Page 276: Replacing Relay On The Mw Converter Unit; Fsq8

    R&S FSQ Module Replacement Replacing Relay on the MW Converter Unit; FSQ8 (see chapter 5, spare parts list, item 2060 and illustration 1130.2544 and 1130.2815) The relay is located on the 8 GHz Converter Unit. Removing the Relay from the MW Converter Remove the 8 GHz Converter Unit (130).
  • Page 277 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 278: Replacing 26.5 Ghz Mw Converter Unit A160; Fsq26/40

    R&S FSQ Module Replacement Replacing 26.5 GHz MW Converter Unit A160; FSQ26/40 (see chapter 5, spare parts list, item 140 or 150 and illustration 1155.5001) The board is located in the middle of the instrument. Opening Instrument and Removing Module Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 279 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 280: Replacing Diplexer A161; Fsq26/40

    R&S FSQ Module Replacement Replacing Diplexer A161; FSQ26/40 (see chapter 5, spare parts list, item 2105 or 3111 and illustration 1166.2338, sheet 2 or 1166.2096 sheet 2). The board is located on the 26.5 GHz MW Converter Unit. Removing Diplexer Remove the 26.5 GHz Converter Unit (140 150).
  • Page 281 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 282: Replacing 26.5 Ghz Yig Unit 162; Fsq 26/40

    R&S FSQ Module Replacement Replacing 26.5 GHz YIG Unit 162; FSQ 26/40 (see chapter 5, spare parts list, item 2108 or 2112 or 2115 and illustration 1166.2338, sheet 2) (see chapter 5, spare parts list, item 3124 or 3126 and illustration 1166.2096, sheet 2) The board is located on the 26.5 GHz MW Converter Unit.
  • Page 283 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 284: Replacing Extender 26,5 Ghz A163; Fsq 26/40

    R&S FSQ Module Replacement Replacing Extender 26,5 GHz A163; FSQ 26/40 (see chapter 5, spare parts list, item 2125 and 1166.2338 sheet 2 or item 3148 and 1166.2096 sheet 2) The board is located on the 26.5 GHz MW Converter Unit. Removing Extender 26,5 GHz Remove the 26.5 GHz MW Converter Unit (140, 150).
  • Page 285 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 286: Replacing Relay On The Mw Converter Unit; Fsq26/40

    R&S FSQ Module Replacement Replacing Relay on the MW Converter Unit; FSQ26/40 (see chapter 5, spare parts list, item 2300 and illustration 1166.2338, sheet 2, and 1130.3405) (see chapter 5, spare parts list, item 3260 and illustration 1166,2096, sheet 2, and 1155.5147) The relay is located on the 26.5 GHz Converter Unit.
  • Page 287 Module Replacement R&S FSQ If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 288: Replacing Tracking Generator A170 (Option: B9)

    R&S FSQ Module Replacement Replacing Tracking Generator A170 (Option: B9) (see chapter 5, spare part list, item 1800, and illustrations 1155.5001 and 1142.9090) The board is installed in the rear part of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 289: Replacing Generator Attenuator A171 (Option: B12)

    Module Replacement R&S FSQ Replacing Generator Attenuator A171 (Option: B12) (see chapter 5, spare part list, item 2400, and illustrations 1155.5001 and 1142.9361) The board is installed in the rear part of the instrument (behind the fan). Opening Instrument and Removing Attenuator Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 290: Replacing Ocxo A200 (Option: B4)

    R&S FSQ Module Replacement Replacing OCXO A200 (Option: B4) (see chapter 5, spare parts list, item 1100, and illustrations 1155.5001 and 1144.9017) The board is installed in the front part of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 291: Replacing Combo Drive A381 (Option: B18)

    Module Replacement R&S FSQ Replacing Combo Drive A381 (Option: B18) (see chapter 5, spare parts list, item 1502, and illustrations 1155.5001 and 1130,1825) The board is located on the top right of the front panel. Opening Instrument and Removing Module Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) toward the rear.
  • Page 292: Replacing External Generator Control A210 (Option: B10)

    R&S FSQ Module Replacement Replacing External Generator Control A210 (Option: B10) (see chapter 5, spare parts list, item 1640, and illustrations 1155.5001 and 1129.7317) The board is installed in the front part of the instrument. Opening Instrument and Removing Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 293 Module Replacement R&S FSQ Functional Check Connect AC supply cable and switch on power switch. The instrument is now in the standby mode. A cold start is required after replacement (see chapter "Performing a Cold Start"). After starting the instrument, check the log file for system messages: - [ SETUP : SYSTEM INFO : SYSTEM MESSAGES ] Start the selftest and check results: - [ SETUP : SERVICE : SELFTEST ], then [SELFTEST RESULT]...
  • Page 294: Replacing Baseband Input 1 A270 (Option: B71)

    R&S FSQ Module Replacement Replacing Baseband Input 1 A270 (Option: B71) (see chapter 5, spare parts list, item 2700 or 2701, and illustrations 1155.5001 and 1157.0136) The board is installed in the front part of the instrument . Opening the Instrument and Removing the Board Switch off unit, disconnect from power supply, unscrew 4 rear-panel feet (450) and pull off enclosure (410) towards rear.
  • Page 295: Replacing Baseband Input 2 A260 (Option: B71)

    Module Replacement R&S FSQ Replacing Baseband Input 2 A260 (Option: B71) (see chapter 5, spare parts list, item 2710 or 2711, and illustrations 1155.5001 and 1157.0136) The board is installed in the middle of the instrument. Opening the Instrument and Removing the Board Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 296: Replacing I/Q Bandwidth Extension A280 (Option B72)

    R&S FSQ Module Replacement Replacing I/Q Bandwidth Extension A280 (Option B72) (see chapter 5, spare parts list, pos. 3700 or 3705, and drawings 1155.5001, 1157.0342 (MOD02) and 1157.0488 (MOD12). The module is located in the front part of the instrument Opening the Instrument and Removing the Module Switch off the instrument, disconnect it from power supply, unscrew four rear-panel feet (450) and pull off enclosure (410) towards rear.
  • Page 297 Module Replacement R&S FSQ Function Test A cold boot is required after replacing the module (see chapter “Performing a Cold Start”). The following error message appears after booting the instrument, since the I/Q frequency response data is no longer valid as a result of the replaced module: Acknowledge the message by pressing the ENTER key Check log file to ensure that no errors occurred: - [ SETUP : SYSTEM INFO : SYSTEM MESSAGES ]...
  • Page 298: Replacing External Mixer Board A180 (Option B21)

    R&S FSQ Module Replacement Replacing External Mixer Board A180 (Option B21) (see chapter 5, spare parts list, item 2900, and illustrations 1155.5001 and 1157.1110) The board is installed in the center part of the instrument. Opening Instrument and Removing Board Switch off instrument, disconnect from mains, unscrew 4 rear panel feet (450) and pull off enclosure (410) toward rear.
  • Page 299: Replacing Diplexer Board With Preamplifier A161; (Option B23)

    Module Replacement R&S FSQ Replacing Diplexer Board with Preamplifier A161; (Option B23) (see chapter 5, spare parts list, item 2106 and illustration 1166.2338.01 sheet 4) The board is installed on the 26.5 GHz MW Converter Unit. Removing Diplexer Remove the 26.5 GHz MW Converter Unit (140). Note: See description "Replacing 26.5 GHz MW Converter Unit A160;...
  • Page 300 R&S FSQ Module Replacement If FSQ-B72 is available: Run "I/Q Response Correction" software. Do not run this software until after the system error correction reveals no errors (Total Calibration Status: Passed)! The software and the associated manual are located on the GLORIS server under Firmware/Software FSQ-B72 (test setup, see manual).
  • Page 301: Replacing Electronic Attenuator A50 (Option B25)

    Module Replacement R&S FSQ Replacing Electronic Attenuator A50 (Option B25) (see chapter 5, spare parts list, item 1400, and illustrations 1155.5001 and 1129.7800) Opening Instrument and Removing Module Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) towards the back.
  • Page 302: Replacing I/Q Memory Extension (Option B100)

    R&S FSQ Module Replacement Replacing I/Q Memory Extension (Option B100) (see chapter 5, spare parts list, item 4700, and drawing 1155.5001.01, 1169.5280.00) The module is located in the front part of the instrument. Opening the instrument and removing the module Switch off instrument, disconnect it from power supply, unscrew four rear-panel feet (450) and pull off enclosure (410) toward rear.
  • Page 303 Module Replacement R&S FSQ Installing the module and reassembling the instrument Insert new I/Q memory module together with I/Q bandwidth extension (A280), if present, into the instrument. Reconnect all RF cables to modules A280 and A140. Module A140 also has RF cables at the top. Note: Observe the labeling on the module.
  • Page 304: Replacing Memory Modules (Option B102)

    R&S FSQ Module Replacement Replacing Memory Modules (Option B102) (see chapter 5, spare parts list, item 4850, and drawing 1155.5001.01, 1169.5450.00) The memory modules are installed in the I/Q memory extension module (R&S FSQ-B100). Opening the instrument and removing the module Switch off instrument, disconnect it from power supply, unscrew four rear-panel feet (450) and pull off enclosure (410) toward rear.
  • Page 305: Replacing Preamplifier A50 (Option B24)

    Module Replacement R&S FSQ Replacing Preamplifier A50 (Option B24) (see chapter 5, spare parts list, item 4500, and illustrations 1155.5001 and 1157.2116) Opening Instrument and Removing Module Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) toward the rear.
  • Page 306: Replacing Iq Data In/Out A290 (Option B17)

    R&S FSQ Module Replacement Replacing IQ DATA IN/OUT A290 (Option B17) (see chapter 5, spare parts list, item 5000, and illustrations 1155.5001) Opening Instrument and Removing Module Switch off the instrument, pull the mains plug, unscrew the 4 rear-panel feet (450) and take off the enclosure (410) toward the rear.
  • Page 307 Module Replacement R&S FSQ Installing Module and Completing Instrument Put the new IQ DIGITAL I/O board (5000) with the connectors into the designated slots in the rear panel and mount it with four screws (5010). Connect the ribbon cable W255 (5020) with X294 / X296 at the IQ DIGITAG I/O board. Put the rear panel (170) back onto the instrument and tighten it with the screws (180).
  • Page 308: Measuring Equipment And Accessories

    R&S FSQ Troubleshooting Troubleshooting Malfunctions may have simple causes but may also be caused by faulty components. These troubleshooting instructions can be used to locate error causes down to board level and make the instrument ready for use again by means of board replacement. For troubleshooting and diagnostics, a selftest is available that polls diagnostic voltages of the modules and displays limit value violations.
  • Page 309: Troubleshooting Switch-On Problems

    Troubleshooting R&S FSQ Troubleshooting Switch-on Problems • Error: The R&S FSQ cannot be switched on. Action Possible error causes and further steps Check power-on switch on the rear Power switch OFF: Switch on power supply. Check yellow LED (stand-by). LED remains dark: Measure voltage at X20.D24 (power supply unit) Rated value: +12 V ±...
  • Page 310: Troubleshooting Problems With Booting

    R&S FSQ Troubleshooting Troubleshooting Problems with Booting • Error: The R&S FSQ does not start the measurement application. Following switch-on, the R&S FSQ first boots the computer BIOS. After successful initialization of the computer, the Windows XP operating system starts up. Subsequently, the test application is loaded as a start-up program.
  • Page 311 Troubleshooting R&S FSQ Normal action Error and error cause This procedure may be interrupted using the "PAUSE" key on the connected external keyboard, any other key continues the program execution. Award Modular BIOS v6.00PG, An Energy Star Ally Copyright (C) 1984-2000, Award Software, Inc. R&S ANALYZER BIOS V2.0-17-2 Main Processor : Intel Pentium III 700 MHz (100x7.0) Memory Testing: 261120K OK...
  • Page 312 R&S FSQ Troubleshooting Normal action Error and error cause The PCI hardware test is displayed in the lower half of the screen. If the line "Unknown PCI Device" All modules found during the test are displayed with their names is missing, the wideband detector and PCI device IDs.
  • Page 313 Troubleshooting R&S FSQ Normal action Error and error cause If the operating system on the hard disk has been destroyed and cannot be loaded correctly, Windows displays "bluescreen". This bluescreen contains all essential information about the internal states of the computer which are displayed as follows (by way of example): Windows XP and the instrument...
  • Page 314 R&S FSQ Troubleshooting Normal action Error and error cause If a "bluescreen" is displayed when loading, a cold start may necessary. Proceed follows in this case: Cold start (see section "Performing a Cold Start") Firmware update from the backup partition if cold start is not successful (see chapter 4).
  • Page 315 Troubleshooting R&S FSQ Normal action Error and error cause If there is an error on the When the program has been loaded, the measurement hardware is detector board or the clock is initialized first. A timer which is controlled by a 32 MHz clock signal missing, the following message is set on the detector board.
  • Page 316: Troubleshooting - Loading Module Eeproms

    R&S FSQ Troubleshooting Troubleshooting - Loading Module EEPROMs • Error: Data of modules cannot be read. Normal action Error and error cause On booting the instrument, all calibration data required must be written to the RAM of the computer. The calibration data of a module is either read from the EEPROM (in the case of a cold start from EEPROM only) or from the associated binary file.
  • Page 317 Troubleshooting R&S FSQ Normal action Error and error cause Upon successful reading of the module header from the EEPROM, the contents of the module header is compared with the module header of the associated binary file. If the module header can be read from the file and complies with the header read from the EEPROM, the assumption is made that the contents of the module EEPROM have...
  • Page 318: Troubleshooting Via Selftest

    R&S FSQ Troubleshooting Troubleshooting via Selftest The selftest is provided for identification of instrument errors and tolerance violations that cannot be corrected by self-calibration of the instrument. All signal paths are connected and the signal is traced via test points. The selftest checks all possible hardware settings that are used for the self-calibration with regard to a sufficient setting range including reserves.
  • Page 319 Troubleshooting R&S FSQ If the result is ***FAILED***, look not only for entries marked with FAILED** but also those marked with SKIPPED. These entries indicate that a test item was not carried out, because the conditions had not been met. In this case, an error is present only if the instrument cannot be calibrated.
  • Page 320 R&S FSQ Troubleshooting Running Selftest and Error Messages Overview The calibration source on the IF filter module is used as a signal source for testing the signal path. 1. Measurement of the operating voltages of the power supply regulated operating voltages on the detector and IF filter modules 2.
  • Page 321 Troubleshooting R&S FSQ Testing Operating Voltages When an operating voltage fails, the selftest is aborted to avoid subsequent errors. The test is not aborted after entry of the password. All subsequent errors are then listed in the result record. Errors that have occurred irrespective of the voltage failure can then still be detected. The error message indicates the error source (power supply, IF filter, wideband detector unit) and the voltage that has failed.
  • Page 322 R&S FSQ Troubleshooting Temperature Measurement on IF Filter Normal action Error and error cause The temperature is measured first. WARNING! IF FILTER: Operating temperature xx °C - out of range If the temperature does not lie within the permissible range of 0° to 70°C, the warning will be output.
  • Page 323 Troubleshooting R&S FSQ Checking 4-fold D/A Converter on Wideband Detector Unit Normal action Error and error cause Wideband Detector Unit Pretune-DAC Test 4-fold D/A-converter on the wideband detector unit is checked. One D/A converter controls the frequency- dependant IF gain on the IF filter for frequency response correction.
  • Page 324 R&S FSQ Troubleshooting Testing Synthesizer Normal Action Error and error cause Channel Voltage Expression displayed in the error nominal message - 5 V -5 V +5 V +5 V +7 V +7 V +12 V +12 V +28 V +28 V If there is an error message referring to these operating voltages, the synthesizer is always to be replaced.
  • Page 325 Troubleshooting R&S FSQ Normal action Error and error cause Sweep synthesizer: Testing the tuning voltage at the sweep VCO 600 ERROR! (595) - 620 MHz Sweep synthesizer unlocked ! Sweep synthesizer out of tuning range ! If the sweep VCO fails, the YIG oscillator does not lock or it locks at an incorrect frequency and also signals unlock.
  • Page 326 R&S FSQ Troubleshooting Testing RF Converter Normal action Error and error cause Channel Voltage Expression displayed nominal in the error message +5 V +5 V 2.5 V DAC Reference +7 V +7 V +11 V +11 V +28 V +28 V The RF converter is always to be replaced if there is an error message referring to these operating voltages.
  • Page 327 Troubleshooting R&S FSQ Test input mixer The mixer diodes both rectify part of the LO power. The two voltages can be polled via the selftest channels 0 and 1. If the two voltages are missing or too low, the LO level is presumably missing, which is why an error message appears: FATAL ERROR!
  • Page 328 R&S FSQ Troubleshooting Testing Signal Path via Attenuator The internal source for the test signal (CAL signal) has already been tested when testing the reference signals. The first and second mixer feature sufficient LO power, i.e. the conversion from the RF to the second IF should therefore work properly.
  • Page 329 Troubleshooting R&S FSQ Signal Paths on IF Filter Board Normal action Error and error cause Input level of IF filter / calibration amplifier (CAL-Amps 1 + 2 ) FATAL ERROR! IF board: IF input level / CALAMP Selftest aborted Possible error causes: •...
  • Page 330 R&S FSQ Troubleshooting Normal action Error and error cause StepGain (IF amplifier) The 10 dB Step Gain (Step Gain Coarse) and the 0.1 dB Step Gain (Step Gain Fine) are tested. The input level is attenuated in steps of 10 dB by the RF attenuator and simultaneously amplified by means of the StepGain by the same amount.
  • Page 331 Troubleshooting R&S FSQ OPTION: I/Q Baseband Input Board FSQ-B71 Baseband Signal Input on Wideband Detector Board Normal action Error and error cause Baseband input X144 (I channel) is checked for continuity. Baseband input X145 (Q channel) is checked for continuity. To this end the baseband input 2 board applies a DC voltage >1 V to inputs X144 and X145.
  • Page 332 R&S FSQ Troubleshooting Baseband Input Board Normal action Error and error cause Signal path All switchable signal paths will be checked for compliance with a level tolerance of ±10%. These are: I channel, high I channel, low Q channel, high Q channel, low In each of these four paths, the 0 dB range, the -5/-10...
  • Page 333 Troubleshooting R&S FSQ I/Q path dither FAILED and / or I/Q DC offset DAC FAILED and / or pulse source FAILED Possible error sources: Failure of components (dither, DC offset, DAC, pulse source) on the baseband input 2 board. I/Q path noise FAILED Possible error sources: Strong noise on the baseband input 2 board (e.g.
  • Page 334 R&S FSQ Troubleshooting Possible error sources: • The selector or amplifier on the I/Q bandwidth extension module is defective. This is most likely the cause if not all three results failed. • If all three results failed, the cause may also lie outside the module.
  • Page 335: Troubleshooting Rf Converter 1

    Troubleshooting R&S FSQ Troubleshooting RF Converter 1 Depending on the kind of error, a few measurements should be performed on the RF converter before the module is replaced: • IP3 too high • Signal level too low • LO feedthrough too high •...
  • Page 336: Troubleshooting

    R&S FSQ Troubleshooting Troubleshooting MW Converters The most common error on MW converters is that the displayed signal level on the signal analyzer > 3.6 GHz is too low or missing altogether. Level ratios on MW converter Action Error cause/remedy Apply a high-frequency signal (f >...
  • Page 337 Troubleshooting R&S FSQ Level ratios on diplexer Action Error cauase/remedy Apply a high-frequency signal (f > 3.6 GHz) at If the level is missing or too low, replace the the diplexer input with a level of -20 dBm and diplexer (see "Replacing the Diplexer Module"). measure the level at the output connector.
  • Page 338 R&S FSQ Troubleshooting Level ratios on RF extension Action Error cause/remedy Apply a high-frequency signal (f > 3.6 GHz) at If the level is missing or too low, replace the the RF extension input with a level of -10 dBm diplexer (see "Replacing the RF Extension and measure at the output connector.
  • Page 339: Troubleshooting - Wideband Detector Unit

    Troubleshooting R&S FSQ Troubleshooting - Wideband Detector Unit The extensive selftest will detect most of the faults that may occur on the wideband detector unit. Selftests performed • complete signal path for analog filters, digital filters and FFT • detectors •...
  • Page 340: Fig. 3-15 Video Path Differential Linearity Test, Error-Free Unit

    R&S FSQ Troubleshooting Expected display Continuous sinewave-like trace without significant steps (very small steps are due to noise and pixel resolution) Why use a linear display? The instrument expects a logarithmic signal at the ADC input. In case of a linear display, the signal is therefore log/lin converted.
  • Page 341: Fig. 3-17 Fft Test, Noise Floor, Error-Free Unit

    Troubleshooting R&S FSQ FFT Path Performance Test FSQ settings Preset Span 50 kHz 100 Hz Filter Type FFT AMPT: Log Range Manual 120 dB CAL: Cal Corr Off Noise floor Signal generator setting Level OFF (50 termination alternatively) Expected display Noise at the bottom line of the display (see Fig.
  • Page 342: Fig. 3-18 Full-Scale Test, Error-Free Unit

    R&S FSQ Troubleshooting Full Scale Test Signal generator settings Frequency 20.4 MHz Level -2.9 dBm FSQ setting Marker to peak Expected display Spectrum of clean CW signal at center frequency (see ) , level -20 dBm ±2 dB (marker readout) Possible errors: level out of tolerance distorted spectrum...
  • Page 343 Troubleshooting R&S FSQ Linearity test Signal generator settings Frequency 20.4 MHz Level -2.9 dBm FSQ settings Marker to peak, reference fixed Signal generator settings Frequency 20.4 MHz Level -12.9 dBm to –52.9 dBm in 10 dB steps Delta marker readout Signal generator -12.9 dBm -22.9 dBm...
  • Page 344: Fig. 3-19 Phase Noise Test, Error-Free Unit

    R&S FSQ Troubleshooting RBW 100 Hz Delta 2 [T1 FXD] -40.00 dB Ref -20 dBm 5 dB AQT 40 ms 0.000000000 Hz Marker 1 [T1 FXD] FXD -19.975 dBm -59.97 dBm UNCAL 4.000000000 GHz 1 PK CLRWR -100 -110 -120 -130 -140 Center 4 GHz...
  • Page 346 R&S FSQ Contents - Software Update/Installing Options Contents - Chapter 4 "Software Update/Installing Options" 4 Software Update / Installing Options..............4.1 Installation of new R&S FSQ Software...................4.1 Restoring the Operating-System Installation ................4.2 Installing the Options........................4.3 1155.5047.82 I-4.1...
  • Page 347 Contents - Software Update/Installing Options R&S FSQ This page is left blank intentionally. 1155.5047.82 I-4.2...
  • Page 348 R&S FSQ Installation of new R&S FSQ Software Software Update / Installing Options This chapter contains information on updating software, restoring the operating-system installation and installing options to the R&S FSQ. Additional manuals obtained together with a software/firmware update or with subsequently acquired options can be filed here. Installation of new R&S FSQ Software The installation of a new firmware version can be performed using the built-in diskette drive.
  • Page 349 Restoring the Operating-System Installation R&S FSQ Restoring the Operating-System Installation If the operating system can no longer be booted, it is possible to boot the analyzer in the boot menu from the backup partition, and to restore the operating-system installation. The function is not available for instruments equipped with option B20.
  • Page 350 R&S FSQ Installing the Options Installing the Options The following options are available with the R&S FSQ: OCXO Reference R&S FSP-B4 1129.6740.02 Tracking Generator R&S FSP-B9 1129.6991.02 External Generator Control R&S FSP-B10 1129.7246.03 Attenuator for Tracking Generator R&S FSU-B12 1142.8994.02 Digital Baseband Interface R&S FSQ-B17 1163.0063.02...
  • Page 352 R&S FSQ Contents - Documents Contents - Chapter 5 "Documents" 5 Documents......................5.1 Shipping of Instrument and Ordering of Spare Parts..............5.1 Shipping of Instrument ......................5.1 Shipping of a Module .......................5.1 Ordering Spare Parts .......................5.2 Refurbished Modules .......................5.2 Taking back Defective Replaced Modules................5.2 Spare Parts............................5.3 Available Power Cables ......................5.3 Spare Part List ..........................5.5...
  • Page 353 Contents - Documents R&S FSQ 1155.5047.82...
  • Page 354: Documents

    R&S FSQ Shipping of Instrument and Ordering of Spare Parts 5 Documents This chapter provides information on the ordering of spare parts and contains the spare part list and the documents for the complete R&S FSQ unit. Shipping of Instrument and Ordering of Spare Parts Please contact your Rohde &...
  • Page 355: Ordering Spare Parts

    Shipping of Instrument and Ordering of Spare Parts R&S FSQ Ordering Spare Parts To deliver replacement parts promptly and correctly we need the following indications: • Stock number (see component lists in this chapter) • Designation • Component number according to component list •...
  • Page 356: Spare Parts

    R&S FSQ Spare Part Spare Parts The stock numbers necessary for ordering replacement parts and modules can be found in the component lists further down. CAUTION Risk of shock hazard and instrument damage When replacing a module please note the safety instructions and the repair instructions given in chapter 3 and at the beginning of this service manual When shipping a module be careful to provide for sufficient mechanical and antistatical protection.
  • Page 357 Spare Parts R&S FSQ 1155.5047.82...
  • Page 358: Spare Part List

    Spare Part List Mechanical Drawings 1155.5047.82...
  • Page 359 List of parts including spare parts R&S FSQ 1155.5047.82...
  • Page 360 R&S FSQ List of parts including spare parts List of FSQ parts including spare parts The R&S FSQ is constructed in accordance with R&S design 2000. Overall dimension: W x H x L, 426,7 x 176,5 x 517 Rackmount: 4E 1/1 T450 Accessories: 19''-Adapter ZZA-411, Stock no.
  • Page 361 List of parts including spare parts R&S FSQ Position Designation Stock No. Number Electrical Recommended designation Spare Parts 965/ISR-M2.5X6-A4-PA 1148.3288.00 Subassembly plate for USB 1309,3076,00 DIN965-M2,5X6-A4-PA 1148.3288.00 3,5 MM GROUND SPRING 1142.8242.00 Adhesive foil 30X20 SW 1093.9051.00 Cover RD15,9 0009.9200.00 RF CONVERTER 1130.4647.02 A100...
  • Page 362 1130.0164.00 Instrument top cover 1129.9261.00 DIN6900-M2,5X6 -A2 1148.3059.00 DIN965-M2,5X6-A4-PA 1148.3288.00 10 S Printed front panel R&S FSQ3 1309.3101.00 Printed front panel R&S FSQ8 1309.3118.00 Printed front panel R&S FSQ26 1309.3124.00 Printed front panel R&S FSQ40 1309.3147.00 Printed front panel R&S FSQ31 1309.3130.00...
  • Page 363 List of parts including spare parts R&S FSQ Position Designation Stock No. Number Electrical Recommended designation Spare Parts DIN6900-M2,5X6 -A2 1148.3059.00 10 S CONTROLLER 7/3 1091.3104.00 1GB DDR RAM FOR FMR7 1091.3210.00 DIN6900-M2,5X6 -A2 0071.5040.00 Display unit 1093.4708.05 DIN965-M2,5X6-A4-PA 1148.3288.00 Keyboard frame 1093.5127.00 Keyboard mat...
  • Page 364 R&S FSQ List of parts including spare parts Position Designation Stock No. Number Electrical Recommended designation Spare Parts TFT DISPLAY 8.4 INCH 800x600x3 0048.8599.00 DIN6900-M2,5X6 -A2 0071.5040.00 Space 1129.9432.00 DIN965-M2,5X5-A4-PA 0852.3608.00 LABEL FOR DISPLAY CABLE 1129.9703.00 Display cable TOSHIBA FMR6 1091.2666.00 Display connector TOSHIBA FMR6 1091.2637.00...
  • Page 365 List of parts including spare parts R&S FSQ Position Designation Stock No. Number Electrical Recommended designation Spare Parts 1460 DIN6900-M2,5X8 -A2 0071.5705.00 Document 1130.1825.00 (Option R&S FSU-B18 1303.0400.03 1502 COMBI DRIVE SATA 1130.1819.00 A381 1505 DIN6900-M2,5X6 -A2 1148.3059.00 1515 FLASHDISK MIT SOFTWARE FSQ 1303.0417.03 A380 1550...
  • Page 366 R&S FSQ List of parts including spare parts Position Designation Stock No. Number Electrical Recommended designation Spare Parts 1880 RF-CABLE W47 1142.9078.00 1890 RF-CABLE W48 1142.9084.00 1895 ADAPTOR 0343.0257.00 1900 MOUNTING PLATE 1093.4750.00 1910 DIN965-M2,5X6-A4-PA 1148.3288.00 1920 LABEL R&S FSU-B9 FRONT 1142.9132.00 1930 LABEL R&S FSU-B9 REAR...
  • Page 367 List of parts including spare parts R&S FSQ Position Designation Stock No. Number Electrical Recommended designation Spare Parts 2106 DIPLEXER 26 (OPTION B23) 1151.5520.23 A161 2108 YIG UNIT (R&S) 1166.1854.23 A162 2110 DIN6900-M2,5X6 –A2 1148.3059.00 2112 YIG UNIT (FILTRONIC) 1130.3492.23 A162 2115 YIG UNIT (MICRO LAMBDA)
  • Page 368 R&S FSQ List of parts including spare parts Position Designation Stock No. Number Electrical Recommended designation Spare Parts 2330 RF CABLE W2 1130.3434.00 2335 RF CABLE W6 1130.3440.00 2340 RF CABLE W7 1130.3457.00 2345 RF CABLE W8 1130.3463.00 Document 1142.9361.00 (Option R&S FSU-B12 Tracking Attenuator 1142.9349.02) 2400 STEP ATTENUATOR (FSU-B12) 1067.8380.04...
  • Page 369 List of parts including spare parts R&S FSQ Position Designation Stock No. Number Electrical Recommended designation Spare Parts 2775 LABEL FRONT FSQ-B71 (50L/1ML) 1157.0259.00 2780 MOTHERBOARD LABEL 1157.0236.00 Document 1157.1110.00 (Option FSU-B21 1157.1090.03) 2900 EXT MIXER 1157.1126.03 A180 2910 RF-CABLE W36 1157.1178.00 2920 RF-CABLE W37...
  • Page 370 R&S FSQ List of parts including spare parts Position Designation Stock No. Number Electrical Recommended designation Spare Parts 3230 PROTECTION CAP 1066.2095.00 3240 B-SIDE-COVER 1130.3870.00 3250 A-SIDE-COVER 1166.2167.00 3260 RELAIS UNIT 40 GHz 1155.5147.02 A164 3270 DIN965-M2,5x6-A4-PA 1148.3288.00 3292 Clamp 0080.3653.00 3294 DIN6900-M2,5X6 -A2...
  • Page 371 List of parts including spare parts R&S FSQ Position Designation Stock No. Number Electrical Recommended designation Spare Parts 3782 CABLE Holder 1130.0941.00 3790 DIN6900/ISR-M3.0X6-A2 0041.1682.00 3791 Support 1157.0442.00 3792 Support 1169.5296.00 3793 DIN6900/ISR-M2.5X6-A2 1148.3059.00 3796 Label FSQ-B72 1157.0436.00 Document 1157.2116.00 (Option R&S FSU-B24 1157.2100.50) 4500 PREAMP 50GHZ UNIT 1157.2080.50...
  • Page 372 R&S FSQ List of parts including spare parts Position Designation Stock No. Number Electrical Recommended designation Spare Parts 4780 Power supply 250W UL/CSA 1091.1982.00 Document 1169.5450.00 (Option R&S FSQ-B102, MEMORY EXTENSION 1169.5444.04) 4850 M470T2953BY3 DDR2 1GB 533MHz 1155.6595.00 Option R&S FSQ-B17, IQ DATA IN/OUT 1163.0063.02 5000 IQ DIGITAL I/O 1163.0134.02...
  • Page 398 Block Circuit Diagram 1155.5047.82 5.21...

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