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R&S SMU200A

1007.9845.32 4.4

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Содержание R&S SMU200A

Страница 1: ...Service Manual Vector Signal Generator R S SMU200A 1141 2005 02 Test Measurement 1007 9845 82 09 1...

Страница 2: ...mer throughout this manual the Vector Signal Generator R S SMU 200A is abbreviated as R S SMU R S is a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners 1007 98...

Страница 3: ...e of the product The product is used for its designated purpose if it is used in accordance with its product documentation and within its performance limits see data sheet documentation the following...

Страница 4: ...ation item 7 Signal words and their meaning The following signal words are used in the product documentation in order to warn the reader about risks and dangers Indicates a hazardous situation which i...

Страница 5: ...afety is not observed either at all or to the extent necessary electric shock fire and or serious personal injury or death may occur 1 Prior to switching on the product always ensure that the nominal...

Страница 6: ...t be fuse protected in such a way that anyone who has access to the product as well as the product itself is adequately protected from injury or damage 14 Use suitable overvoltage protection to ensure...

Страница 7: ...masks and protective clothing must be worn 7 Laser products are given warning labels that are standardized according to their laser class Lasers can cause biological harm due to the properties of the...

Страница 8: ...n permitted 5 If a cell develops a leak the fluid must not be allowed to come into contact with the skin or eyes If contact occurs wash the affected area with plenty of water and seek medical aid 6 Im...

Страница 9: ...s substances or fuels can cause health problems and lead to environmental damage For additional information about environmental protection visit the Rohde Schwarz website Instrucciones de seguridad el...

Страница 10: ...el uso del producto Deber n tenerse en cuenta todas las dem s informaciones de seguridad como p ej las referentes a la protecci n de personas que encontrar n en el cap tulo correspondiente de la docu...

Страница 11: ...l producto se emplea de forma sin nima el t rmino CUIDADO Las palabras de se al corresponden a la definici n habitual para aplicaciones civiles en el rea econ mica europea Pueden existir definiciones...

Страница 12: ...la tensi n preseleccionada en el producto coincida con la de la red de alimentaci n el ctrica Si es necesario modificar el ajuste de tensi n tambi n se deber n cambiar en caso dado los fusibles corre...

Страница 13: ...efectuadas por un electricista especializado 13 En el caso de dispositivos fijos que no est n provistos de fusibles interruptor autom tico ni otros mecanismos de seguridad similares el circuito de ali...

Страница 14: ...presario operador tiene la obligaci n de evaluar y se alizar las reas de trabajo en las que exista un riesgo elevado de exposici n a radiaciones 6 Tenga en cuenta que en caso de incendio pueden despre...

Страница 15: ...r ni fuego Debe evitarse el almacenamiento a la luz directa del sol Las celdas y bater as deben mantenerse limpias y secas Limpiar las conexiones sucias con un pa o seco y limpio 3 Las celdas o bater...

Страница 16: ...vos el ctricos usados no se deben desechar con los residuos dom sticos sin clasificar sino que deben ser recogidos por separado Rohde Schwarz GmbH Co KG ha elaborado un concepto de eliminaci n de resi...

Страница 17: ...e of electronic components the operational site must be protected against electrostatic discharge ESD Wrist strap with cord Ground connection of operational site Heel strap Floor mat The following two...

Страница 18: ...n los componentes electr nicos el rea de trabajo tiene que estar protegido contra descargas electroest ticas ESD elec trostatic discharge Mu equera con cord n Conexi n a tierra del rea de trabajo Talo...

Страница 19: ...abinet 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...

Страница 20: ...sacar los pi s de la pared posterior y entonces sacar la caja De esta manera evitar n el riesgo de da os en personas y da os en el aparato Existe el riesgo de heridas en el momento de poner otra vez l...

Страница 21: ...to provide for sufficient mechanical and antistatic protection Use the original packaging for transporting or shipping the instrument The protective caps for the front and rear prevent damage to the o...

Страница 22: ...u about which modules are available as refurbished modules Taking Back Defective Replaced Modules Defective modules of the replacement program which cannot be repaired are taken back within three mont...

Страница 23: ...ibra tion Chapter 3 Describes the instrument design and simple repair and troubleshooting strate gies Board replacement plays a key role Chapter 4 Contains information on expansions and modifications...

Страница 24: ...re in Case of Service and Ordering of Spare Parts Contents of the Service Manual for the Vector Signal Generator R S SMU200A Tabbed Divider Index 1 Chapter 1 Performance Test 2 Chapter 2 Adjustment 3...

Страница 25: ...40 DSP write zero data error 3 40 DSP zero error 3 41 E Electronic Attenuator 3 8 Error vector Test procedure 1 44 EXT 3 12 External level correction 2 1 External pulse modulation is not possible 3 3...

Страница 26: ...the Front Panel 3 49 Replacing the Hard Disk A202 3 56 Replacing the Lithium Battery 3 55 Replacing the Motherboard A100 3 62 Replacing the Options Overvoltage Protection and High Power 3 64 Replacin...

Страница 27: ...tion Option R S B20 B22 1 33 Phase Modulation Option R S B20 B22 1 39 Pulse Modulation 1 41 I Q modulation 1 43 Broadband Amplitude Modulation 1 48 Baseband Input Option R S B17 1 49 Differential I Q...

Страница 28: ...e respective instrument Measuring Equipment and Accessories Table 1 2 Measuring equipment and accessories Item Type of Instrument Required Characteristics Suitable Instrument R S Order No 1 Frequency...

Страница 29: ...ator DC to RFmax 10 dB system N R S DNF 0272 4210 50 22 RF attenuator DC to RFmax 3 dB system N R S DNF 0272 4010 50 24 RF analyzer Demodulator for digital modulations FM demodulator Error vector meas...

Страница 30: ...s a modulation analyzer The signal generator is used as modulation source in case of external modulation RF analyzer 10 MHz Reference RF Signal Generator LF DUT LF Test Assembly for Residual AM Test e...

Страница 31: ...item 4 Test setup RF analyzer dig demodulation Modulations analysator Ref 10 MHz RF ARB generator Processor IEEE IEC Bus I Q DUT Test Assembly for SSB Phase Noise Test equipment SSB reference source T...

Страница 32: ...dB Directional coupler OUTPUT INPUT COUPLED Ref 10 MHz DUT RF 2nd RF Note The INPUT of the directional coupler is directly screwed to the DUT The second test transmitter is connected to the line conne...

Страница 33: ...FHOP bus on the Digital I O interface at the rear of the instrument Data transmission starts with the MSB most significant bit A strobe marks the LSB least significant bit and thus the end of a valid...

Страница 34: ...ects Fast Hop mode 0 Fast Hop Direct the selected settings are performed at once after data transfer of a complete sequence 40 bits without additional triggering 1 Fast Hop the selected settings are p...

Страница 35: ...Hz 200 1 280 290 374 9 Divider 2 375 to 750 Lowpass filters 436 705 0 MHz 375 1 435 9 436 10 704 9 705 1 749 9 Base octave 750 to 1500 Lowpass filter 1110 MHz Oscillator limits 890 1070 1285 MHz 750 1...

Страница 36: ...e sum of deviations resulting from the frequency error in the rated temperature range and from aging Input for External Reference Test equipment Frequency counter Table 1 2 item 1 Signal generator Tab...

Страница 37: ...zer is triggered by the positive edge on the EOI line of the IEC IEEE bus or the trigger pulse in list mode At switch over from start to stop frequency the settling procedure is displayed on the scree...

Страница 38: ...to the INSTR TRIG connector of DUT analyzer and oscilloscope External triggering at 1 4 V positive edge Connect FHOP generator to FHOP_CLK DATA STRB connectors of DUT Settings on DUT In the List mode...

Страница 39: ...le 1 4 Measurement Settings on DUT Frequency test frequencies unmodulated Level levelmax according to data sheet depending on configuration of the unit First measure the level of the fundamental as a...

Страница 40: ...bt the measurement should be repeated with a 3 dB attenuator at the analyzer input If the nonharmonic spacing changes the nonharmonic comes from the analyzer Recommended settings and sampling frequenc...

Страница 41: ...DUT Frequency in MHz Analyzer search frequency in MHz 750 08 750 00 800 08 800 00 proceed in 50 MHz steps up to 1450 08 1450 00 1000 00 1018 18 1499 92 1500 00 1538 469258 1538 619798 1592 58110430 15...

Страница 42: ...79070274 2043 92934349 2044 11700349 2104 44390554 2106 01121554 2110 663972 2111 026712 2163 630319 2163 796569 2167 27616036 2168 19042036 2210 14856183 2210 25761183 2356 00000 2356 54075 2684 951...

Страница 43: ...ution bandwidth 30 kHz Video bandwidth 1 kHz Span 10 MHz Frequency at 50 kHz to 1 MHz from the carrier Resolution bandwidth 1 kHz Video bandwidth 1 kHz Average over at least 3 sweeps Note Some of the...

Страница 44: ...ixer is not overdriven Lower the reference level of the analyzer by 20 dB read the new channel power Pnoise and note it down Minimize the output level on the DUT by means of RF OFF read the channel po...

Страница 45: ...vel of the DUT to the previous level and call Delta Phase in the Frequency Phase menu Observe the output voltage of the mixer on the oscilloscope and vary the phase until the voltage becomes zero Read...

Страница 46: ...d kHz Fstop 3 Read Trace Data T with N 1 and 625 N from R S FSQ analyzer and calculate the summed residual FM of the DUT and the Reference Signal Generator N start stop start start stop dB P T N F F F...

Страница 47: ...30dB Gain and a DC blocking Capacitor is necessary f 3dB 10Hz FILTER TYPE FFT RBW 100Hz Hz Fstart 9900 Hz Fstop 10100 DETECTOR MAX PEAK Calibrate the setup Measure power level ref P dBm at f 10 kHz Sw...

Страница 48: ...measurement 300 k 1 M 3 M 5 M 9 M 15 M every 10 M up to 1495 M 1505 M from 1520 M every 20 M up to 6000 M all in Hz Recommended test frequencies and levels for the level dependant measurement 1 MHz 5...

Страница 49: ...ion at Pmax 100 dBm is thus required the reference level of the analyzer should be set such that the measured level is close to the reference level The sweep time is to be increased with lower levels...

Страница 50: ...case of a deviating source impedance the two components are superimposed on one another which due to the frequency offset results in a beat from the amplitude ratio of which the VSWR can be derived R...

Страница 51: ...l generator until the reference level is measured again at the analyzer Screw the bridge or directional coupler onto the DUT again A more or less wavy line representing the VSWR of the DUT is now disp...

Страница 52: ...MATE 30 MHz 1 GHz 2 2 GHz 3 GHz 4 GHz 4 5 GHz 5 GHz 5 4 GHz 6 GHz Settings on spectrum analyzer Reference level target level 3 dB Amplitude log range 10 dB Resolution bandwidth 200 kHz Video bandwidth...

Страница 53: ...el R S B30 B35 Typ 23 dBm max 26 dBm R S B32 B37 attenuator mode High Power Typ 33 dBm max 36 dBm R S B32 B37 attenuator mode Normal Typ 23 dBm max 26 dBm Overvoltage Protection SATT6C Test equipment...

Страница 54: ...e spectrum analyzer using Marker function SIGNAL COUNT Settings of the spectrum analyzer FREQ START LF Gen Frequency 2 STOP LF Gen Frequency 5 BW FILTER TYPE FFT at higher frequencies use TRACE AVERAG...

Страница 55: ...r to the LF socket of the DUT Measurement Settings on DUT LF Output menu Vary LF Gen Frequency from 10 Hz to 1 MHz Recommendation logarithmic with 4 steps decade Measure the output level The frequency...

Страница 56: ...an value of both sidebands RF f RF f RF P P P A mod mod Test Method Demodulation Measurement Settings on R S FSQ AMPTD REF LEVEL test level 6 dB FREQ CENTER test frequency FMDEMOD FMDEMOD ON RESULT DI...

Страница 57: ...as with RF frequency response see above Repeat the measurement with PEP Pmax and AM 80 Test Method Spectrum Measurement Measure the power of the two sidebands mod f RF P mod f RF P and the harmonics m...

Страница 58: ...1 V Vpeak Vary the generator frequency to determine the modulation frequency response Measure the modulation depth as described above under Uncertainties The modulation frequency response is the diff...

Страница 59: ...ders do not deteriorate the result Restrictions This method is suitable only with sine shaped modulation signal Measuring large deviations at low modulation frequencies tends to get time consuming sin...

Страница 60: ...PM DEMOD BW 2 deviation fmod for FM DEMOD BW 2 fmod 1 deviation for PM RANGE DEVIATION PER DIV 0 5 deviation MEAS TIME 3 fmod for distortion up to 3rd harmonic RESULT DISPLAY FM resp PM AF SPECTRUM DE...

Страница 61: ...quency 10 kHz Source Internal FM deviation 1 MHz Settings on R S FSQ DEMOD BW 5 MHz RANGE DEVIATION PER DIV 250 kHz RESULT DISPLAY FM AF SPECTRUM SWEEP MEAS TIME 2 5 ms FREQ AF STOP 50 kHz Read THD fr...

Страница 62: ...Settings on R S FSQ Up to fmod 300 kHz settings for FFT Demodulation fmod 300 kHz settings for Spectrum Measurement Vary the signal generator frequency and measure the modulation depth The modulation...

Страница 63: ...40 kHz Settings on spectrum analyzer AMPTD REF LEVEL test level 6 dB FREQ CENTER test frequency FMDEMOD FMDEMOD ON RESULT DISPLAY AM AF Spectrum AF Start 0 Hz AF Stop 5 kHz RES BW 30 Hz DEMOD BW 100...

Страница 64: ...Modulation menu LF Gen Frequency 1 MHz Source Internal FM deviation 1 MHz Settings on R S FSQ AMPT REF LEVEL 0 dBm FREQ CENTER 1 GHz SPAN 10 kHz MKR SIGNAL COUNT NEXT CNT RESOL 10 Hz Execute a single...

Страница 65: ...CF 500 MHz fmod 10 kHz deviation 1 mrad to 2 5 rad in logarithmic steps 4 steps per decade 1 1 8 3 2 5 6 Repeat measurement at 500 MHz with external modulation PhiM Distortion Test Method FFT Demodul...

Страница 66: ...of table 1 1 to control the correct input voltage LFGen Voltage 0 707 V State ON RF level 10 dBm equivalent to 1 V peak voltage Settings on R S FSQ see chapter Test Methodes Vary the signal generator...

Страница 67: ...t level with a high signal applied and that with a low signal applied is the ON OFF ratio Recommended test frequencies 150 MHz 400 MHz 1 GHz 2 2 GHz 3 GHz 4 5 GHz 6 GHz Recommended test level Pmax Dyn...

Страница 68: ...tor Squarewave pulse sequence with a frequency of 100 kHz TTL level Setting on DUT RF On Frequency 1 GHz Level 0 dBm Pulse Modulation State On Settings on the Analyzer FREQ CENTER 100 kHz SPAN 10 kHz...

Страница 69: ...he level again The voltage ratio of test level to reference level is the output reflection coefficient r of the DUT From this the voltage standing wave ratio VSWR can be calculated as follows VSWR 1 r...

Страница 70: ...g settings on the demodulator Result length 80 symbols Vary the carrier frequency from 20 MHz to RFmax For recommended setting values see Table 1 4 Measure the error vector magnitude peak and rms on t...

Страница 71: ...Test equipment Spectrum analyzer Table 1 2 item 24 Test setup Connect the spectrum analyzer to the RF output of the DUT Measurement Settings on DUT RF On Level 0 dBm ALC State OFF S H I Q Settings me...

Страница 72: ...spectrum analyzer to the RF output of the DUT Connect the DC voltage source to the I or the Q input Measurement Settings on DUT RF On Frequency 900 MHz Level 0 dBm ALC State OFF S H I Q Settings menu...

Страница 73: ...filter with 0 5 PRBS 9 data sequence Pulse width and oversampling 32 Length 100 symbols Symbol clock 10 kHz Make the corresponding settings on the demodulator Synchronize to a bit sequence starting w...

Страница 74: ...dBm for a modulation depth of 80 Vary the frequency from 1 MHz to 30 MHz on the signal generator and measure the sidebands referred to the carrier at SPAN 3 MHz They should be 8 1 5 dB below the carri...

Страница 75: ...On BB In Settings menu State On Mode analog input Settings on signal generator Level 10 dBm Carrier frequency 1 MHz Screw the VSWR bridge off and measure the level as reference level Connect the VSWR...

Страница 76: ...0 5 Vp p Frequency 100 kHz I Q Settings menu State Off Settings on RF power meter high resolution Make a reference measurement by connecting the RF output of the signal generator directly to the inpu...

Страница 77: ...nal Baseband State Off BB In Settings menu State On Mode analog input Crest Factor 0 dB Peak Level 0 dBfs Settings on analyzer FREQ CENTER 1 GHz SPAN 1 MHz AMPT REF LEVEL 5 dBm First measure the unmod...

Страница 78: ...fted signal and its mirror on the opposite side of the center frequency Measurement Settings on DUT RF On Frequency 1 GHz Level 0 dBm I Q Settings menu Source Internal Baseband State On BB In Settings...

Страница 79: ...on DUT Level max level refer to data sheet depending on options Frequencies 2160 MHz and 5 GHz for R S B106 I Q Settings menu Source Internal Baseband State On BB In Settings menu State On Mode analo...

Страница 80: ...utput of the DUT Test method A single sideband signal is generated using the Custom Digital Modulation functionality by selecting only one carrier DC Signal The offset is set with the Frequency Offset...

Страница 81: ...l 0 Modulation Type BPSK Filter Rectangular Frequency Offset 100 kHz I Q Out Menu Output Type Single Ended Mode Variable I Q I Level EMF 1 V Settings on multimeter COUPLING AC DETEKTOR RMS Multiply me...

Страница 82: ...Q Bar voltage are measured for different offset values The differential offset is obtained from the differences between I and I Bar or Q and Q Bar at a particular offset Measurement Settings on DUT I...

Страница 83: ...signal generator s Digital Input evaluates the incoming test pattern and calculates the Bit Error Rate Measurement Settings on DUT Activate test sequence transmitting via remote control with command...

Страница 84: ...band level found by varying the modulation frequency is the frequency response to be measured Measurement Settings on DUT RF On Frequency measurement frequencies Level 0 dBm Level 0 dBm Multi Carrier...

Страница 85: ...n is the difference between the shifted signal and its mirror on the opposite side of the center frequency Measurement Settings on DUT RF On Frequency 1 GHz Level 0 dBm Multi Carrier CW State On Numbe...

Страница 86: ...n the Baseband menu The test frequencies are set one after the other 1 MHz is the reference The imbalance is obtained from the level differences between I and Q at a particular frequency Measuremet Se...

Страница 87: ...EQ CENTER 10 MHz SPAN 0 Hz AMPT REF LEVEL 5 dBm BW RES BW MANUAL 100 kHz MKR MARKER 1 Measure carrier at 10 MHz reference measurement Settings on DUT Carrier 1 State Off Settings on analyzer FREQ CENT...

Страница 88: ...DUT and repeat the measurement if the signal remains it may come from the analyzer Output the signal from the DUT with a slight frequency offset if the signal remains it may come from the analyzer The...

Страница 89: ...frequency and the frequency is varied The level measured at the measurement frequency gives the value for the suppression of the interpolation Measurement Settings on DUT RF On Frequency 1 GHz Level...

Страница 90: ...of trigger status and whether the markers are output Measurement Settings on DUT Frequency 100 MHz Level 0 dBm Custom Digital Mod State On Trigger Marker Trigger In Mode Armed Auto Trigger In Source E...

Страница 91: ...m Digital Mod State ON Data Source Pattern 010101010101 Modulation Type 8PSK Symbol Rate 20 MHz Filter RRC Root Raised Cosine Roll off 0 22 Clock Source External Mode Multiple Symbol Multiplier 5 Glob...

Страница 92: ...Filter RRC Root Raised Cosine Roll off 0 22 Clock Source External Global Settings Threshold Data Input 50Ohm Impedance Data Input 1 5 V Settings on reference DUT Frequency 100 MHz Level 0 dBm Custom D...

Страница 93: ...NTER 450 MHz DIGITAL STANDARD GSM EDGE GSM NB ADJUST REF LVL Read off the level of the signal in the Modulation Accuracy table at mean power and write it down as the reference level On the DUT set the...

Страница 94: ...r from to MARKER1 TRIGGER1 BER CLK BER_RESTART MARKER2 TRIGGER2 BER_DATA BER_EN_DATA MARKER3 USER1 Test method Self test by means of connection test Measurement Settings on DUT Custom Digital Mod Stat...

Страница 95: ...the measurements with the GSM measurement setting of the R S FSQ Measurement 1 Settings on DUT Level max level refer to data sheet depending on options Frequencies 910 and 1850 MHz and 5GHz for R S B...

Страница 96: ...AS LIMIT CHECK PASSED has to be indicated on the analyzer Settings on analyzer GSM EDGE TRANSIENT SPECTRUM START REF MEAS LIMIT CHECK PASSED has to be indicated on the analyzer Settings on analyzer GS...

Страница 97: ...Perform the measurements with the GSM EDGE measurement setting of the R S FSQ Measurement 1 Settings on DUT Level max level refer to data sheet depending on options Frequencies 910 and 1850 MHz and 5G...

Страница 98: ...VS TIME START REF MEAS LIMIT CHECK PASSED has to be indicated on the analyzer Settings on analyzer GSM EDGE TRANSIENT SPECTRUM START REF MEAS LIMIT CHECK PASSED has to be indicated on the analyzer Set...

Страница 99: ...orm the measurements with the 3GPP measurement setting of the R S FSQ Measurement Settings on DUT Level max level refer to data sheet depending on options Frequencies 2160 MHz and 5 GHz for R S B106 C...

Страница 100: ...ptions Frequencies 2160 MHz and 5 GHz for R S B106 3GPP FDD Test Setups Test_Model_1_64channels State ON I Q Settings Manual Gain Unicod 3GPP ACP optimized 3 dB Settings on analyzer FREQ CENTER 2160 M...

Страница 101: ...2 11 a b g R S K48 There is no testing required for the WLAN 802 11 a b g R S K48 software personality The functions required for this personality are already verified performing the tests defined in...

Страница 102: ...est of Baseband Test equipment Test setup Test method The digital data path for I and Q inside the base band is tested with a PRBS signal and a bit error rate measurement is performed Measurement Run...

Страница 103: ...light 299792458 m s Settings on DUT Source1 fsim path1 stat off Source1 fsim rout famaxa Source1 fsim speed unit mps Source1 fsim del group1 path1 speed 272 8111 Source1 fsim del group1 path1 prof pd...

Страница 104: ...ttings on DUT Level 0 dBm Frequency 1 GHz RF State ON Settings on DUT if Unicod is installed Baseband Custom Digital Modulation Set to default GSM Symbol Rate 500 Hz State on AWGN IMP AWGN Additive No...

Страница 105: ...z Settings on spectrum analyzer TRIGGER EXTERN External triggering by positive edge at 1 4 V Change DUT Frequncy to 1 GHz Check trigger on analyzer Signal RF OFF Test equipment Spectrum analyzer Table...

Страница 106: ...from an external IQ modulation source The Scpi commands to bring the DUT into this state are SOUR BB MCCW CARR COUN 1 SOUR2 BB MCCW CARR COUN 1 SOUR BB MCCW STAT ON SOUR2 BB MCCW STAT ON FREQ LOSC MOD...

Страница 107: ...nter whose reference frequency is in sync with that of the DUT and the signal generator Measurement Synchronize the reference frequencies of the DUT and the analyzer Connect RF of signal generator to...

Страница 108: ...est setup Connect the spectrum analyzer to the RF output of the DUT Synchronize reference frequencies of analyzer and DUT Preparation for B90 Single carrier MCCW has to be applied to IQ Modulator The...

Страница 109: ...ideband Noise measurement with IQ modulation as conducted without B90 has to be performed with the LOSC coupling switched on SSB Phase Noise Test method The SSB Phase Noise measurement with IQ modulat...

Страница 110: ...ent to be performed as without B90 but with the LOSC coupling switched on Measurement of quadrature error Test method This measurement to be performed as without B90 but with the LOSC coupling switche...

Страница 111: ...al Output of the DUT with the Mini D Ribbon cable Test method Set the Digital Output of the DUT in test sequence transmitting mode The signal generator s Digital Input evaluates the incoming test patt...

Страница 112: ...re checked but only whether the modulation has triggered query of trigger status and whether the markers are output Measurement Settings on DUT Frequency 100 MHz Level 0 dBm Custom Digital Mod State O...

Страница 113: ...e 1 2 Vector Signal Generator table 1 1 pos Pos 4 Signal Analyzer R S FSQ with option R S FSQ K70 vector signal analysis Test setup Connect CLOCK outputs of reference DUT to CLOCK inputs of test DUT D...

Страница 114: ...V Settings on signal generator Frequency 100 MHz Level 0 dBm I Q Settings menu Source Analog Wideband I Q Input State On Check external clock rate Measured Extern Clock in Trigger Marker Clock menu mu...

Страница 115: ...ent Vector signal generator DUT table 1 1 pos 4 Signal Analyzer R S FSQ with option R S FSQ K70 Vector Signal Analysis table 1 1 pos 11 Test setup Connect DATA and CLOCK outputs of signal generator to...

Страница 116: ...On Custom Digital Mod State ON Data Source Pattern 01010101 11110111 00001000 Modulation Type 8PSK Symbol Rate 20 MHz Filter RRC Root Raised Cosine Roll off 0 22 Settings on analyzer VSA FREQ CENTER 1...

Страница 117: ...nections on the instrument and the BERT adapter from to MARKER1A TRIGGER1 BER CLK BER_RESTART MARKER2A TRIGGER2 BER_DATA BER_EN_DATA MARKER1B USER1 Test method Self test by means of connection test Me...

Страница 118: ...ect the signal analyzer to the RF output of the signal Generator Test method Set Custom Dig Mod to standard WCDMA 3GPP in the baseband Perform the measurements with the 3GPP measurement setting of the...

Страница 119: ...to the RF output of the signal Generator Test method Set standard 3GPP FDD in the baseband Perform the measurements with the 3GPP measurement setting of the R S FSQ Measurement Settings on signal gene...

Страница 120: ...9845 82 1 94 E 12 The number of necessary measurement depends on the number of installed RF and baseband paths see following table Installed paths 1 x RF 1 x BB 2 x RF 2 x BB 2 x RF 1 x BB 1 x RF 2 x...

Страница 121: ...ents 2 1 External Adjustments Requiring Measurement Equipment 2 1 External Level Correction 2 1 I Q Skew Correction Modulation Frequency Response Correction 2 1 Adjustments of the Complete Unit 2 1 Ad...

Страница 122: ...s require calibrated equipment and special software Data sheet specifications of the unit are concerned If required contact your local Rohde Schwarz representative External Level Correction The measur...

Страница 123: ...red I Q Skew Correction spectrum analyzer and measuring program required All tests Level Control Module Setup Internal Adjustments Adjust IQ Modulator Modulation Frequency Response Correction power me...

Страница 124: ...e R S SMU 2 After switching on immediately press the Delete key to enter CMOS Setup Utility 3 Select Standard CMOS Features 4 Set the correct date and time Leave this topic by pressing Esc key 5 Now s...

Страница 125: ...3 14 Measuring Equipment and Accessories 3 14 Switch On Problems 3 15 Problems with Booting 3 18 Keyboard and Rotary Knob Test 3 22 A Baseband Module can not be operated 3 23 Troubleshooting with Test...

Страница 126: ...the Front Panel 3 49 Removing the Front Panel 3 49 Installing the Front Panel 3 50 Replacing an RF Module 3 50 Removing an RF Module 3 50 Installing a New RF Module 3 51 Replacing a Digital Board 3 5...

Страница 127: ...emoving the Fan E3 3 60 Installing the New Fan 3 61 Replacing the BNC Board Rear A120 3 61 Removing the BNC Board Rear 3 61 Installing the New BNC Board Rear A120 3 61 Replacing the Motherboard A100 3...

Страница 128: ...the lower frequency band down to 100 kHz by down conversion on the IQOP3 module The SSYN module supplies additional fixed frequencies obtained from the 1040 MHz reference by division and these serve...

Страница 129: ...z that are derived from the 1040 MHz reference frequency This is done by using a programmable divider RFDIV to divide the 1040 MHz fixed frequency into three frequencies of 104 MHz to 115 55 MHz divis...

Страница 130: ...ator The output of the DDS is fed as reference signal into a phase locked loop PLL the FM loop At higher modulation rates the VCOs of this PLL are modulated directly via D A converter and a level sett...

Страница 131: ...restricted input frequency range from internal sources and one that is an asymmetrical input for externally supplied signals In addition the Q channel can also be switched to the LF AM input at a narr...

Страница 132: ...nuation with digital modulation 15 dB LEVELPRESET attenuation adjustable in 1 dB steps 6 switchable lowpass filters for suppressing harmonics after the first preamplifier Pulse modulator with typ 100...

Страница 133: ...ck diagram A switched attenuator element attenuates the RF level relative in steps of 0 dB 20 dB or 40 dB for use with digital modulation In a fourth position the control element attenuates the signal...

Страница 134: ...limiter diodes The overload status is reported via interrupt to the controller and indicated on the display Module Interface A bus decoder converts the serial operating data to parallel data and store...

Страница 135: ...ble attenuator pads In this state the module triggers a software interrupt and the firmware generates an error message Switching off the instrument also interrupts this connection and changes the sign...

Страница 136: ...by means of an integrated hub The two USB devices have the following tasks USB Remote Control This device is used to remotely control the signal generator and to load the firmware USB Modulation Data...

Страница 137: ...sses through the anti aliasing filters Baseband Input This option consists of two modules BBIN R placed at the rear panel and BBIN S placed behind the Front Module BBIN R rear The BBIN R enables the d...

Страница 138: ...in the Universal Coder in order to permit these functions Bus interface FPGA PSD Forms the connection with the PCI bus and monitors the functioning of the SDRAM for lists and arbitrary waveform All ad...

Страница 139: ...vector whose amplitude and phase are derived from the models for the channel e g Rayleigh and from the rate of motion Doppler shift Such a combination of delay and complex multiplication is referred...

Страница 140: ...use blows again change module A further fuse is fitted inside the power supply as a means of fire protection Note This fuse is not accessible to the user from outside and is only blown in the case of...

Страница 141: ...e inserting or removing boards Be careful not to cause short circuits when measuring voltages at pins placed close together particularly on the motherboard The following utilities are provided in the...

Страница 142: ...age Subsequently remove DACIF slot 6D SSYN A slot 4A and SSYN B slot 5A two path instruments only Repeat measurement of voltage at X211 A17 slot 5A Rated value 12 0 V 0 1 V Correct voltage The removed...

Страница 143: ...signal PS_ONOFF at DACIF connector X161 B2 Voltage 1 V Temperature sensor on DACIF defective To check short circuit X161 B2 to ground If power supply starts check this module Voltage 1 V Fault in mot...

Страница 144: ...age here indicates that the power supply is defective Note With instruments from pilot series 6 5 V and 12 0 V are not fed via fuses Error at 6 5 V 12 V Remove modules in sequence until error disappea...

Страница 145: ...lly Copyright C 1984 2000 Award Software Inc FMR6_REV1_BIOS_22_R S SMU0103 Main Processor Intel Celeron TM 400MHz 100x4 0 Memory Testing Note The BIOS version is given in line 3 With BIOS versions R S...

Страница 146: ...ssful initialization of the UNICOD module it is listed as Unknown PCI Device Vendor ID 162F Device ID 1312 If the line Unknown PCI Device is missing the DACIF board has not been identified and the mea...

Страница 147: ...hat worked Directory Services Restore Mode Windows domain controllers only Debugging Mode Start Windows Normally Reboot Use the up and down arrow keys to highlight your choice The repair routine can b...

Страница 148: ...rument firmware In this case an attempt must be made to correct the error by reinstalling the instrument firmware see chapter 4 section Firmware Update If the operating system on the hard disk has bee...

Страница 149: ...point the board concerned is specified in the error message Keyboard and Rotary Knob Test This utility allowes to check proper function of all front panel control elements Normal action Error and err...

Страница 150: ...be read out Normal action Error and error cause Internal diagnosis switched on with SETUP Test Points Select the desired path under Path Select the desired test point under Select Test Point To opera...

Страница 151: ...e displayed as well as internal levels Note The displayed information represents internal generated data Interpretation of the data requires a sound knowledge of the functional correlation and the fir...

Страница 152: ...tment is performed Abort during AM adjustment Error on submodule LCM of IQOP3 Adjust I Q Modulator Full Range The I Q adjustments are now performed in sequence for the modules IQOP3 and IQOP6 if fitte...

Страница 153: ...l internal adjustment check the following modules in sequence Change any defective modules 3 GHz path Check 3 GHz attenuator Check IQOP3 see Troubleshooting Module IQOP3 Check SSYN see Troubleshooting...

Страница 154: ...unleveled does not disappear with correct input IQOP3 RFM is defective Frequencies 3 GHz I Q modulation on Check for correct input signal at IQOP6 X284 Level too low check cabling and module IQOP3 Lev...

Страница 155: ...t to Internal Baseband Check output level for CW If not OK proceed with section Level Errors Setting on Vector Signal Generator RF ON Multicarrier CW menu No of Carriers 1 Carrier Phase 45 deg Adopt w...

Страница 156: ...rms with setpoint value uBBRMS Deviation 10 Baseband RMS detector on LCM is defective If OK IQOP3 RFM is defective Image rejection 20 dB Call Adjust I Q Modulator Full Range If error message appears s...

Страница 157: ...f level hardware debug page Bit pulse in LCM DSP Status OK block toggles between 1 and 0 every 5 seconds If not LCM is defective otherwise IQOP3 is defective if Freq 3 GHz and IQOP6 is defective if Fr...

Страница 158: ...hout sidelobes If not DACIF board or DAC board mounted on DACIF is faulty Error Vector Signal Generator does not supply any baseband signal UNICOD FADER and DACIF Normal action Error and error cause S...

Страница 159: ...r confirmation of the error message the booting procedure is continued as if everything were OK However the instrument will then only function partially or may even be completely unusable The simulati...

Страница 160: ...ustment is now performed successfully This indicates that termination at X244 is insufficient defective cable or output module IQOP3 6 Adjustment aborts again Change module Input and Output Signals Co...

Страница 161: ...000 MHz If the message disappears cable connection or module IQOP3 is defective If the message is displayed anyhow change the module Synthesis fractional loop PLL unlocked Synthesis main loop PLL unlo...

Страница 162: ...ct Change SSYN A Frequency Error 2 10 6 Reference Oscillator adjustment Error Error correction Internal reference frequency Frequency error 2 10 6 The frequency accuracy of the synthesizer is determin...

Страница 163: ...YN A from SSYN A from SSYN A X705 SMP REF100 100 MHz 10 2 dBm to SSYN X706 SMP REF_DACB 12 8 MHz 13 3 dBm to DACIF X707 SMP REF_LPN2 Path A Ref internal Ref external 10 MHz 40 MHz 3 V TTL to SSYN A fr...

Страница 164: ...message continues although the adjustment finished successfully data transfer maybe disturbed Try to change the DACIF module Synthesis extension cannot read EEPROM data Synthesis extension cannot stor...

Страница 165: ...rnal adjustment Adjust Level or Adjust I Q Modulator aborts Check for correct input signals if incorrect first repair feeding modules Adjustment aborts again See section Troubleshooting with Internal...

Страница 166: ...rrect input levels from SSYN or IQOP6 Questionable level adjustment data Questionable IQOP3 I Q adjustment data Questionable IQOP6 I Q adjustment data Baseband adjustment failed Zero adjustment failed...

Страница 167: ...fset DAC overflow RMS Offset DAC underflow RMS Offset_I DAC overflow RMS Offset_I DAC underflow RMS Offset_Q DAC overflow RMS Offset_Q DAC underflow RMS Imbalance DAC overflow RMS Imbalance Error duri...

Страница 168: ...ror Error Error correction Error Message DSP zero error Setting on Vector Signal Generator RF OFF Frequency 1 GHz Read out test point SETUP Test Point DIAG_IQOP3_D_UDET Voltage 0 V Error on RFM Voltag...

Страница 169: ...is not sufficient for the entered impairment values This is a characteristic of the hardware It should be possible to set 0 8 dB to 0 8 dB without problem for all frequencies If not LCM is defective a...

Страница 170: ...le is probably faulty Input and Output Signals Connector System Signal name Setting on Signal Generator Frequency Level Signal flow X282 SMA SYNRF 200 to 3000 MHz 3000 to 6000 MHz 200 to 3000 MHz 1500...

Страница 171: ...onnect cable connection LCON6 W1285 and UDET6 W1286 Connect IQOP3 X265 to IQOP3 X266 Monitor voltage on this connection using a T piece or use diagnostic system Testpoint DIAG_IQOP3_LCM_LCON6 Now vary...

Страница 172: ...le Troubleshooting Module BBIN At power on some basic tests are performed to check functionality of the module Error messages concerning the module BBIN Error message Error correction Bbin error Check...

Страница 173: ...Board 1141 2528 or Flex Switch Board 1141 2511 3 57 DC to AC Converter Unit T10 3 56 USB Adapter A130 3 57 Front Panel 1141 2311 3 49 Standard Synthesis A1240 A2240 X 3 50 Synthesis Extension A700 X 3...

Страница 174: ...the case Protect the replacement site against electrostatic discharge to avoid damage to electronic components of the modules The following two methods of ESD protection may be used together or separa...

Страница 175: ...lace a fuse use a small screwdriver to open the fuse holder at the power inlet Removing Instrument Cover 1 Top Side See chapter 5 parts list and drawing 1141 2005 01 Switch off the instrument and pull...

Страница 176: ...ont Caution The connecting cables are still connected to the controller Pull off the connecting cables to the color TFT display DC AC illumination converter switch board rotary pulse generator and net...

Страница 177: ...5006 01 Table 3 2 Replacing RF boards overview and specific requirements of the individual boards RF module Remarks Standard Synthesis A1240 A2240 Prior to the installation a shielding plate has to be...

Страница 178: ...specific requirements of the individual boards Digital module Specific Requirements DAC Interface A340 Caution Do not forget to unplug 3 coaxial cables on the bottom side before pulling out the module...

Страница 179: ...sal Coder Universal Coder Fading Simulator Extension Slot 3D Universal Coder Universal Coder Universal Coder IQ Bridge IQ Bridge Universal Coder Universal Coder Slot 2D Universal Coder IQ Bridge IQ Br...

Страница 180: ...hesis is fitted it has to be removed prior to replacing the power supply Removing the Power Supply Remove instrument cover 1 Unplug power input cables and interface plug at the sides of the power supp...

Страница 181: ...rd It can be pulled off towards the front using the slots at the bottom of the mounting plate Carefully push the board towards the front step by step using a flat blunt tool Caution Do not insert the...

Страница 182: ...re is danger of explosion Only replace the battery by an R S type See chapter 5 spare parts list 1141 2057 01 item 775 for type FMR5 and item 776 for type FMR6 Lithium batteries are hazardous waste an...

Страница 183: ...stall instrument cover 1 Perform internal adjustments according to chapter 2 Adjustments Replacing the DC AC Converter T10 and Color TFT Display A210 See chapter 5 spare parts list 1141 2057 01 parts...

Страница 184: ...e generator switch board and flex switch board are located behind the front panel and the keyboard frame The USB adapter is located behind the right part front panel Remove the front panel see above R...

Страница 185: ...holes in the mounting plate 1141 2428 Press the front panel together turn the keys to the top and fasten in the keyboard frame using 14 countersunk screws 0041 1599 Insert the new USB adapter plug in...

Страница 186: ...at the motherboard Note Please note the direction of the airflow printed on the fan The fan must blow the cold air into the instrument Make sure to route the cable so that it cannot get into the fan...

Страница 187: ...oard Rear Remove instrument cover 1 Loosen the nuts of the 7 BNC connectors at the rear panel Pull out board towards the top of the instrument and disconnect cables Installing the New BNC Board Rear A...

Страница 188: ...t get into the fan Reinstall instrument cover 1 Replacing the BNC Board Rear A120 See chapter 5 spare parts list 1141 2057 01 A120 parts list and drawing 1141 2005 01 The module is fitted at the rear...

Страница 189: ...emove the front panel Pull out all air baffles towards the top of the instrument Disconnect all cables from motherboard to components attenuators fans etc Remove all cable fasteners of the rear panel...

Страница 190: ...top side Bottom side Loosen the 4 screws 2 x 0041 1630 and 2 x 1148 3271 fastening the attenuator to the chassis one of them is accessible through a hole in the motherboard Top side Loosen the 4 scre...

Страница 191: ...bon cable to the motherboard The removal of all the options is thus completed If troubleshooting indicates a defective relay control circuit or a defective relay these components can be separately rem...

Страница 192: ...ing Options 4 1 Installation of New R S Firmware 4 1 Windows XP Recovery and Backup Partition 4 2 Call the Windows XP Recovery and Backup Partition Menu 4 2 Backup Current System Partition 4 3 Recover...

Страница 193: ...have to be downloaded from the internet on a PC From there the files must be transferred to the instrument They have to be stored on the memory stick for an update via the USB interface or on a netwo...

Страница 194: ...tional The new drivers are enabled only after a restart 8 Execute internal adjustments Press the SETUP key on the instrument front panel select Internal Adjustments and execute Adjust All This process...

Страница 195: ...warning is indicated in the Windows XP Recovery and Backup Partition menu and the user is requested to remove an old backup before making a new one Backup Current System Partition 1 Select the Make B...

Страница 196: ...the ENTER key Recover Selected Version of System Partition 1 Select the Restore Backup button in the Windows XP Recovery and Backup Partition menu with the rotary knob to recover a selected version of...

Страница 197: ...software platform on delivery 7 Select the Restore now button with the rotary knob 8 Start the recovery with the ENTER key The script which is performed during recovery is displayed After the recover...

Страница 198: ...t the menuand shutdown the instrument with the ENTER key Installing the Options A list of all available R S SMU options is provided in the data sheet and on the internet www smu200a rohde schwarz com...

Страница 199: ...ed with the option Only if the R S SMU is equipped with an older firmware version a firmware update prior to enabling the software option may be required The information on the valid firmware versions...

Страница 200: ...S SMU200A Contents Documents 1007 9845 82 I 5 1 E 2 Contents Chapter 5 Documents 5 Documents 5 1 Spare Parts 5 1 Available Power Cables 5 1 Figures Tables Table 5 1 List of power cables available 5 1...

Страница 201: ...hed contact connector Preferably used in DS 0006 7013 00 BS1363 1967 10 A 250 V complying with IEC 83 1975 standard B2 Great Britain DS 0006 7020 00 Type 12 10 A 250 V complying with SEV regulation 10...

Страница 202: ...Spare Part List...

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Страница 246: ...1409 8640 02 X M LO SYNC BOARD 30 1 S ZN MONTAGEBLECH LO SYNC Z 1409 8779 00 M MOUNTING PLATE LO SYNC 40 4 S VS 6900 ISR M2 5X6 A2 1148 3059 00 B T COMBINATION SCREWS 50 5 S VS 965 ISR M2 5X5 A4 PA 1...

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