Home

R&S SGS100A Service Manual

1. mDYnwr Service Manual 1173 9111 02 06 10 Test Assemblies 1 2 2 Test Assembly for Setting Time Test equipment RF analyzer item 19 Test setup Controller LAN Trigger pulse Y Y an coc nun ooo 9 10 MHz Ref LIT HH ooo RF 1 2 3 Test Assembly for I Q Modulation Test equipment RF analyzer item 19 Arbitrary waveform generator item 14 Software for simulation of digital modulations item 20 Controller item 4 Test setup Processor mE Y a generator o v Ol i RF analyzer dig demodulation IEEE IEC Bus RF 1 2 4 Test Assembly for Pulse modulation Test equipment l Oscilloscope item 7 Signal Generator item 5 Mixer item 9 Test setup Pulse gt Lo el 0 MHz R a 1 eee e 50R R amp S SGS100A Performance Test Preparation Recommended Test Frequencies and Levels 1 3 Preparation Recommended Test Frequencies and Levels To ensure proper conditions for the performance test and prev
2. sntnrt Service Manual 1173 9111 02 06 88 R amp S SGS100A Repair Module Replacement and Upgrade Designation Instrument Replacement Part Page Ref Part No Order No Power Supply A50 1416 0870 00 1416 0870 00 92 AC 90 V to 264 V Controller Board A100 1416 1201 02 1416 1201 02 Error Bookmark not defined RF Mainboard CW 1416 1001 03 1416 1001 03 incl in R amp S SGS B106 RF Mainboard IQ 1416 1001 02 1416 1001 02 incl in R amp S SGS B106V Doubler Board CW A400 1416 1601 02 1416 1601 02 incl in R amp S SGS B112 106 Doubler Board IQ A400 1416 1601 03 1416 1601 03 106 incl in R amp S SGS B112V Flex Switch Board A300 1416 0640 00 1416 0640 00 101 Step Attenuator A500 1412 5360 02 1412 5360 02 110 incl in R amp S SGS B26 OCXO Board A600 1416 2508 02 1416 2508 02 104 incl in R amp S SGS B1 Notes All modules can be replaced by modules with the same part number or by replacement modules as listed above The words left and right in the manual always refer to the front view of the instrument 3 3 3 After Replacing an Assembly After you have replaced one of the assemblies certain adjustments functional checks or performance tests have to be carried out Please refer to chapter 2 Adjustment 3 3 4 Removing the Case Unfasten the two rear feet 480 on both sides and take them off Service Manual 1173 9111 02 0
3. Figure 3 3 Power Supply and interface connectors of the RF Mainboard Service Manual 1173 9111 02 06 77 R amp S SGS100A Repair Troubleshooting 3 2 8 3 Connector system X205 SMA X201 SMA X202 SMA X203 SMA X204 SMA X207 SMA X208 SMA X209 SMA X210 SMA X104 SMA Signal name RF OUT REF IN REF OUT IN Q IN LO 6 LO 12 12 IN AMP12 OUT TRIG Input and Output Signals Setting on signal generator RF on Ref External Ref LO Output on IQ Modulation on IQ Modulation on RF Frequency 6500 MHz RF Frequency 6500 MHz RF Frequency 6000 MHz RF Frequency 6000 MHz See also Figure 3 4 Connectors Frequency 1 to 12750 MHz Ref 10 100 1000 MHz LO 80 to 6500 MHz Ref 10 100 1000 MHz LO 80 to 6500 MHz 0 to 1000 MHz 0 to 1000 MHz 3250 to 6375 MHz 6500 to 12750 MHz 6000 to 12750 MHz 6000 to 12750 MHz Level 125 to 25 dBm 0 to 16 dBm 6 to 12 dBm 0 5 to 0 5 V 0 5 to 0 5 V 4 to 7 dBm 9 to 12 dBm 5 to 12 dBm 125 to 25 dBm LVC logic Signal flow To RF connector at rear panel or step attenuator External Reference or LO Input Reference or LO Output I Input for Vector Modulation Q Input for Vector Modulation To frequency doubler on doubler board From frequency doubler on dou
4. Spectral Pulianas Tro bleshooting 2 Active Step Attenuator 2 Doubler Board Option Internal Adjustments Internal Selftest Reference Oscillator Option RF Mainboard EH Switch On 2 USB Cable Test terere iris 116
5. Modules overview 8 Motherboard Overview of the Modules Performance Test Power Cables Power Supply 53 Pulse modulation Testiproced re rre irren 35 37 38 Removing EMC Panel Flex Switch Board m Front Uni rner ars OCXO ERES 92 Push Button Board 244 010004 0 00 101 Service Manual 1173 9111 02 06 Index Replacing Doubler Board tt ect aere Flex Switch Board Front Unit siti eta nen Power SUpply m itid een ei coi nein RF Mainboard or Controller Board 95 SIM Cather aaa Spare Parts Switch On Problems Test Assemblies VQ Modulation 11 Output Impedance VSWR 10 Setting TIMO ici ati dida Test Equipment inp ica Test Frequencies Testo Test procedure Pulse modulation Test Procedures Frequency 4 1 nnne VQ Level Data PCI Express Interface Phase Coherence Levels Reference Frequency
6. MES eS gt dps Refers CU memon gt gt Selector x202 Rel Out Ref ut 10 100MHe du REFLO OUTI eene inne emend Selector 6065000 ume DDS DAC 4 N DDS r E 008 550 Texo go Reference vco SS gt gt gt gt Loop 1GHz En tom 008 1275GHz SGS B1 1GHz ae RF H m mE TESCH ZA e main PLL vco gt X207 X208 6 07 i 5 10 12 eu Men T Doubler 6 12 75GHz Leveling pH H 22 Doubler 05 AMPi2 OUT Amplifier AMPI2 OUT 20 gt 600 1275 GHz Filter bank gt A gt Leveling gt SOS o ID em Power Amps eur imei 1275oHe t El p __008 600GH Directional Coupler Detector x101 LAN X102 H gt Cable LVDS Fast Bus PCI express SPLGFlOs Controller zz x270 TV 5A gt ev 12v Diagnosis Mux 32 Inputs v X103 gt USB OTG 12V Controller Micro USB x212 X105 BE Mainboard ete TRIG Service Manual 1173 9111 02 06 54 R a
7. 212 2 88 3 3 1 Required Tools m 88 3 3 2 Module OvelvieW viii near alone 88 3 3 3 After Replacing an 89 3 3 4 Removing the Gase eee ia 89 3 3 5 Installingthe Case ia 90 3 3 6 Replacing the EMC nnne nennen sinn sitet enne 91 3 3 6 1 Removing the EMC Panel esses esee entente nnns entes tins sinn inten enne 91 3 3 6 2 Installing the EMG Panel etre eter ee 91 3 3 7 Replacing the Power Supply A50 0ccoocccinnccnnncccnocccononanonccnnnncc cnn nn 92 3 3 7 1 Removing the Power Supply sess cnn 92 3 3 7 2 Installing the Power Supply 0 nennen enter enne 94 3 3 8 Replacing the RF Mainboard A200 or Controller Board 100 95 3 3 8 1 Removing the RF Mainboard or Controller 95 3 3 8 2 Installing the RF Mainboard A200 or Controller Board 100 97 3 3 8 3 Replacing the SIM Gard iioii dda 100 3 3 9 Replacing the Front ee rennen 100 3 3 9 1 Removing the Front Unit ee 100 3 3 10 Replacing the Flex Switch Board 00 101 3 3 10 1 Removing the Flex Switch Board and Push Button Board 101 3 3 10 2 Installing the Flex Switch Board and the Push Button Board
8. 102 3 3 11 Replacing the Fan E eir de pei 103 Service Manual 1173 9111 02 06 6 R amp S SGS100A Table of Contents 3 3 12 Replacing the OCXO Board R amp S 505 1 104 3 3 12 1 Removing the OCXO 104 3 3 12 2 Installing the OCXO Board issii a entren nennt entrent 105 3 3 13 Replacing the Doubler Board R amp S SGS B112 B112V A400 106 3 3 13 1 Removing the Doubler 106 3 3 13 2 Installing the Doubler Board nn en 107 3 3 14 Replacing the Electronic Step Attenuator R amp S SGS B26 500 108 3 3 14 1 Removing the Electronic Step nano 108 3 3 14 2 Installing the Electronic Step Attenuator 20usn40nsnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 110 4 Firmware Update 2 2 12 112 5 Factory Recover and USB 113 6 DO GING ES ee 114 6 1 Spare Parts eger A a e Rv eu Pea bo ae 114 6 1 1 Available Power Cables iii ae 114 6 2 Spare Part List and Mechanical 68 2 4 115 Index NN 116 S Service Manual 1173 9111 02 06 7 R amp S SGS100A Performance Test Test E
9. ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL OS GERAETESCHILD SGMA 6 GHZ IQ LABEL ED RF MAINBOARD RF MAINBOARD VS HVC ISR M2 5X12 A2 COMBINATION SCREWS VS 6900 ISR M2 5X6 A2 COMBINATION SCREWS VS 6900 ISR M2 5X8 A2 COMBINATION SCREWS MZ HALTEWINKEL2 F HF AUSG MOUNTING BRACKET VS 6900 ISR M2 5X6 A2 COMBINATION SCREWS DW HF KABEL W100 RF BOARD ZU RUECKW RF CABLE W100 RF BOARD TO REAR entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 MB ABSTANDSHUELSE 14MM LANG D5 2 7 DISTANCE SLEEVE 14MM LONG entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 DZ KABELBI L100 B2 4 CABLETIE entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 VS 6900 ISR M2 5X25 A2 COMBINATION SCREWS entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 Benennung Designation 1416 2372 00 1416 1001 02 1096 5205 00 1148 3059 00 0041 1653 00 1416 0940 00 1148 3059 00 1416 0928 00 1416 1099 00 0209 4852 00 3584 5502 00 SGS B106V 1MHZ TO 6GHZ IQ ROHDE amp SCHWARZ SGS B106V 1MHZ TO 6GHZ IQ SGS B106V Datum 2012 04 16 1GPK Sprach Lang C Blatt Sheet de en 06 00 1 of 1 Dokument Nr Document No 1416 2350 01 ST Abt Dept Name Name F r diese Unterlage behalten wir uns alle R
10. ROHDE amp SCHWARZ RF Mainboard Benennung Designation X101 LAN X102 4 gt Cable X103 4 gt USB OTG Micro USB RFMB u GesamtBlock SIGMA 12 GHz PCI express Datum Date SIGMA 2011 06 17 Abteilung Dept 1GP4 Name Name J Kuptz used in Werknormen 7 Company Standards Sprache Lang Aei C l Blatt Sh eichn Nr 7 Drawing Nr 1416 1001 01 FS R amp S SGS100A Index Adjustments 50 icit E 50 Internal Reference 50 Frequency ElTOF 84 Functional Description Controller Board Doubler Board Power Supply 53 Reference Oscillator niinc iiini 59 RE Mainboard ditt E e be c eR Eee E ees 54 Step Attenuator c rennen 58 Installing Doubler Board cccccccocccccccnnocoooconccnnnooonnnnononanonnncnnnccnns Electronic Step Attenuator se EMG Panel 2 2 eine Flex Switch Board certc stets Power Supply hinter eripe tet adi Push Button Board ococcccccnncococonoconononoonnnnncncanonancnnncnno RF Mainboard or Controller Board Instrument Faults Internal Self Test Keyboard and LED Test Measuring Equipment and Accessories 61 Module
11. Unfasten the one combination screw 1060 7 Unfasten the one combination screw 1140 and remove it together with the distance sleeve 1120 8 Unfasten the three combination screws 1040 9 Disconnect the fan cable from X240 and the Power Supply cable from X270 10 Disconnect the flex switch board cable 150 from X106 on the Controller Board 210 carefully power supply cable 1010 or 1020 fan cable 1120 and 1140 1060 screw is under the front 11 Lift up the RF Mainboard 1010 1020 and pull it in toward the front to remove it completely with the Controller Board 210 Module Replacement and Upgrade 1010 or 1020 210 12 Unfasten the three combination screws 260 and remove the Controller Board 210 13 Unfasten the two combination screws 1080 and disconnect the cable W100 1100 incl mounting bracket 1070 This step only when RF Mainboard removed 3 3 8 2 Installing the RF Mainboard A200 or Controller Board A100 1 Fasten the cable W100 1100 incl the mounting bracket 1070 with the two combination screws 1080 on the RF Mainboard 1010 1020 This step only when RF Mainboard removed Module Replacement and Upgrade 1100 2 Place the Controller Board 210 on the RF Mainboard and fasten it with the three combination screws 260 3 Place the RF Mainboard 1010 1020 with the Controller Board 210 pointing forward into the unit and insert it
12. item 14 Test setup gt Connect the spectrum analyzer to the RF output of the DUT gt Connect the Arbitrary waveform generator to the DUT baseband input Measurement gt Settings on DUT RF On Frequency 900 MHz Level 0 dBm PEP Level menu ALC State Off Table 1 Q Settings menu State On 1 Q Wideband Off Impairments State on Imbalance 1 0 dB gt Settings on analyzer Center frequency test frequency span 1 MHz Reference level test level 3 dB Scale 1 dB div gt Apply a DC voltage of 0 5 V to the l input and 0 V to the Q input Measure the output level Then apply a DC voltage of 0 5 V to the Q input and 0 V to the l input Measure the level Pg The Imbalance is Imbalance P Pa Service Manual 1173 9111 02 06 42 R amp S SGS100A Performance Test Test Procedures 1 4 6 5 Adjacent Channel Power for 3GPP FDD Test equipment RF analyzer item 19 Arbitrary waveform generator item 14 Lowpass filter item 21 Test setup Connect the IQ modulation source to the Lowpass filter inputs gt Connect the Lowpass filter outputs to the I Q inputs of the DUT gt Connect RF analyzer to RF output of DUT Test method Setstandard 3GPP FDD Test Model 1 64 in the modulation source baseband and feed the I Q signal into the DUT 1 Q inputs Perform the measurements with the 3GPP measurement setting of the R amp S FSQ Use lowpass filtering of the signals to avoid degradation of the ACPR measurement
13. item 6 to RF socket of the DUT Test method The SSB phase noise of the DUT can be measured directly using a Phase Noise Test Set A R amp S FSUP or any other analyzer with phase noise option is suitable if its own phase noise is at least 6 dB less than the guaranteed DUT phase noise Measurement Set the level of the DUT to 10 dBm and measure the phase noise at 20 kHz offset with the analyzer in phase noise mode Recommended test 1GHz 2 GHz 4 GHz 6 GHz 8 GHz 10 GHz 12 GHz frequencies Repeatthe measurement with IQ Modulation switched on Settings menu State On 1 Q Wideband On and supply 0 5 V DC to the lex Input O Q ssisiigt Service Manual 1173 9111 02 06 25 R amp S SGS100A Performance Test Test Procedures 1 4 3 7 Residual FM Test assembly Connect RF analyzer to RF socket of the DUT Test method The FM demodulator of the analyzer is used to FM demodulate the CW signal of the DUT By setting the AF low pass and high pass filters the RMS value in the desired bandwidth can be measured The value displayed is the sum of the analyzer residual FM and the DUT residual FM Because both components are uncorrelated the displayed result is worse than residual RMS of the DUT alone Therefore if the sum is in tolerance according to the data sheet the DUT is also in tolerance Measurement Settings on DUT frequency 1 GHz Level 0 dBm Settings on analyzer CENTER 1 GHz
14. must be handled in accordance with the EN 62133 standard 1 2 Cells must not be taken apart or crushed Cells or batteries must not be exposed to heat or fire Storage in direct sunlight must be avoided Keep cells and batteries clean and dry Clean soiled connectors using a dry clean cloth Cells or batteries must not be short circuited Cells or batteries must not be stored in a box or in a drawer where they can short circuit each other or where they can be short circuited by other conductive materials Cells and batteries must not be removed from their original packaging until they are ready to be used Cells and batteries must not be exposed to any mechanical shocks that are stronger than permitted 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 Improperly replacing or charging cells or batteries that contain alkaline electrolytes e g lithium cells can cause explosions Replace cells or batteries only with the matching Rohde amp Schwarz type see parts list in order to ensure the safety of the product Cells and batteries must be recycled and kept separate from residual waste Rechargeable batteries and normal batteries that contain lead mercury or cadmium are hazardous waste Observe the national regulations regarding waste disposal and recycling Transport 1 The product may be
15. the settling procedure is displayed on the screen of the analyzer Preparation of Synchronize the reference frequencies of the DUT and the measurement analyzer MakeLAN and RF connections gt Connect spectrum analyzers trigger connector to DUT trigger output Settings on DUT CONNector TRIGger OMODe MLATency Frequency start frequency unmodulated Level Settings Setting Characteristic Auto Level 0 dBm Settings on spectrum analyzer AMPT REF LEVEL 0 dBm FREQ CENTER STOP FREQUENCY FM DEMOD DEMOD BW 100 kHz RANGE DEVIATION PER DIV 200 Hz MEAS TIME 2 ms TRIGGER EXTERN External triggering by positive edge at 1 4 V ssasn sre Service Manual 1173 9111 02 06 15 Test Procedures Measurement Settings on analyzer Set the analyzer to the stop frequency gt Set the DUT to the start frequency fetart gt Send the stop frequency fao from the controller to the DUT by using the command TEST SPEED Stop frequency Test level gt The externally triggered analyzer displays the settling curve The setting time is defined as the time required to make the frequency deviation from the stop frequency less than the specified deviation in the data sheet Switch on IQ Modulation Settings menu Source Analog Wideband I Q Input State On and supply 0
16. 5 4 3 1 6 3 2 3 2 1 3 2 2 3 2 2 1 3 2 3 3 2 4 3 2 5 3 2 6 3 2 7 3 2 7 1 3 2 8 3 2 8 1 3 2 8 2 3 2 8 3 3 2 8 4 Implemented functions En 55 Internal and external reference 55 Main 1000 MHZ OSCIlAtOr nnne nnne 55 RF Synthesizer DDS module sse rra 55 Vector modulo Pn 56 Harmonics filers Em 56 Automatic Level control cene 56 Fan Controller E 56 Supply voltage control and filtering sess 56 Doubler Board cL 57 Doubler Board architecture nr nan nn narran rra 57 Doubler Board diagram oi e iba Ld ea 57 Step Atten ato aiii a in 58 Step Attenuator 58 Step Attenuator diagram 58 Power Amplifiers o 58 Voltage Regulators and 58 R amp S SGS B1 Reference Oscillator sss 59 Troubleshooting need 60 Measuring Equipment and 61 Switch On Problems sssrini a 61 Test Points on Controller Board oooocccncccnnnniconoccnonccccnnnna nana na noc cnnnc cnn rn ener nnne nnne 63 Keyboard and LED Testi ia SERE deed 64 USB Cable Testi A te ee 65 Troublesh
17. 84 R amp S SGS100A Repair Troubleshooting The measured voltages have to meet the values given in the table below If one or more voltages are not of the required level check the Controller Board see section Switch On Problems on page 61 Measuring Point R amp S SGS100A switched On Shielding enclosure GND C600 7 3 V to 48 5 V C605 11 5 V to 412 8 V 2701 8 V to 5 5 V T3 i s E Figure 3 7 Power Supply Connector of Active Step Attenuator top view YUPg Service Manual 1173 9111 02 06 85 R amp S SGS100A Repair Troubleshooting 2 0 2 15151 RE21 Figure 3 8 Power Supply Connector of Active Step Attenuator bottom view If the supply voltages do not comply with the given values in the above table change the connector cable and test again If the supply voltages still do not comply change the module 3 2 11 Troubleshooting Doubler Board option R amp S SGS B112 B112V 3 2 11 1 Supply Voltages Check the internal supply voltages of the Doubler Board with the internal diagnosis described in section Troubleshooting with Internal Selftest diagnosis test points D P11V D P7V5 D PeV D P5V D_P3V3 D N6V If one or more tests fail remove the case see page 89 and the
18. BW2010 FRAME 1 2 KN BW2010 1E GESTELLGRIFF BW2010 1U RACK MOUNT GRIP entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 VS SCHR M4X18 ISR PA SCREW M4X18 ISR PA entfallt in Kombination mit SGS B98 not applicable in combination with SGS B98 ED CONTROLLER BOARD CONTROLLER BOARD FM VERRIEGEL BOLZEN H 5 3 LOCKINSCREW VS DIN128 A3 A2 SPRING LOCK WASHER DIN128 A3 A2 BC SMARTCARD SLE66 V4 4 SIM FORMAT SMARTCARD SLE66 V4 4 SIM FORMAT Pos Nr Menge ME j ELKennz Benennung Bezeichnung 2 Sachnummer Ersatzteil BA VH ItemNo Quantity Unit Ref Des Designation Stock No Subst part 0999 9684 00 1416 0711 00 1416 0870 00 1148 3059 00 3584 3900 00 0015 9038 00 0794 5214 00 1416 0970 00 0062 1130 00 1416 0828 00 1416 0628 00 1419 4801 02 5705 6286 00 1174 0047 00 1174 2940 00 1096 4944 00 1416 1201 02 6105 0437 00 0005 2499 00 3586 7860 00 Benennung Designation Sprach Lang I C Blatt Sheet SGS100A SGMA RF SOURCE BASE UNIT deen 17 00 1of2 ROHDE amp SCHWARZ SGS100A SGMA RF SOURCE BASE UNIT 22 SGS100A petu 2014 02 12 1GPK Name Hi 1416 0505 01 ST For this document all rights are reserved Printed documents are not subject to revision F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst Pos Nr Menge ME El Kennz_ Benennung Bezeichnung Sachnummer E
19. MHz 487 5 MHz 1087 5 MHz 2187 5 MHz frequencies 3187 5 MHz 4012 5 MHz 5012 5 MHz 5987 5 MHz 7012 5 MHz 8012 5 MHz 9012 5 MHz 10012 5 MHz 11012 5 MHz 12012 5 MHz 12737 5 MHz m m ssr Service Manual 1173 9111 02 06 30 R amp S SGS100A Performance Test Test Procedures Test method for low levels Test principle Low levels can only be measured using a frequency selective measurement instrument Spectrum analyzers with digital IF are best suited for this measurement due to their low linearity error The absolute accuracy of these analyzers is not sufficient for this measurement So a relative measurement referred to the measurements performed with the power meter is used to increase the accuracy of the measurement Only by switching the input attenuator and preamplifier when available of the analyzer the needed dynamic range of more than 120 dB can be reached After switching the analyzer attenuator or preamplifier a continuity calibration is to be carried out It is therefore recommended to switch the attenuator not until reaching 50 dB under full scale since the linearity errors are very small in this range Test setup gt Connect the spectrum analyzer to the RF output of the DUT with precision RF measurement cables Measurement Settings on DUT Frequency recommended test frequencies Level 15 d
20. SGS B26 A500 3 3 14 1 Removing the Electronic Step Attenuator 1 Switch off the instrument and disconnect the main plug Remove the case see page 85 Remove the EMC panel see page 87 Remove the RF Mainboard see page 95 Disconnect the RF cable W110A 1680 from X220 on the Step Attenuator the RF cable W100A 1690 from X221 and the ribbon cable W206 1650 from X700 6 Unfasten the four screws 1630 and remove the Attenuator Board 1610 Module Replacement and Upgrade 1610 1650 1690 1680 R amp S SGS100A Repair Module Replacement and Upgrade 3 3 14 2 Installing the Electronic Step Attenuator Risk of shock hazard and instrument damage When replacing the electronic step attenuator and or the Doubler Board be aware of connecting the ribbon cables W206 W221 with the right connector of the RF Mainboard 1 Switch off the instrument and disconnect the main plug Remove the case see page 89 Remove the EMC panel see page 91 Remove the RF Mainboard see page 95 Unfasten the combination screw 1140 and the distance sleeve 1120 Connect the RF cable W110A 1680 on the RF Mainboard 1020 1010 095 de Install the new RF cable W100A 1690 on the rear of the instrument put the lock washer on and fasten the nut 1680 NS 8 Connectthe ribbon cable W206 1650 on X206 of the RF Mainboard 1010 1020 9 Place the Step Attenuator 1610 on the RF
21. can be reset at any time by means of deactivation If the tuning range is insufficient to reach the frequency error given in the datasheet the TCXO or OCXO on the RF Mainboard is defective Replace the RF Mainboard if the R amp S SGS comes without option R amp S SGS B1 otherwise see section Replacing the OCXO Board R amp S SGS B1 on page 104 3 2 9 Troubleshooting Reference Oscillator option R amp S SGS B1 3 2 9 4 Input and Output Signals The Reference Oscillator has only one connector X1 and is directly plugged into the RF Board X250 see Figure 3 5 All signals and the supply voltage are fed to the module through this connector Turn off the instrument and pull out the OCXO board Turn on the instrument and check the following voltages Measuring Point Voltage V Shielding enclosure 0 GND X250 B1 3 3 to 3 4 250 1 10 75 to 11 25 If one or more of the voltages are out of tolerance the RF Mainboard is faulty Service Manual 1173 9111 02 06 81 R amp S SGS100A Repair Troubleshooting B B E E C527 F R545 EI 2 8 lt X250 B1 3 3 3 4V X250 A1 10 75 11 25V Figure 3 5 Pin locations X250 on RF Mainboard Turn off the R amp S SGS100A plug in the OCXO board and power up the R amp S SGS100A Set reference source to internal The enable signal at G1 6 must have high level 5 6 V to 5 8 V In the list under
22. card holder by sliding the retaining bracket toward OPEN latch 210 3 Flip up the SIM card holder and remove the SIM card 220 4 Toinstall the SIM card proceed in the reverse order 3 3 9 Replacing the Front Unit 3 3 9 1 Removing the Front Unit 1 Switch off the instrument Remove the case see page 89 Remove the EMC panel see page 91 Unfasten the four screws 180 and remove the two front grips 170 Disconnect the flex switch board cable 150 from the Controller Board 210 carefully Service Manual 1173 9111 02 06 100 Module Replacement and Upgrade 6 Pullthe entire Front Unit forward 7 Putthe flex switch board cable 150 carefully through the slot 8 For replacing the Front Unit proceed in the reverse order 3 3 10 Replacing the Flex Switch Board A300 3 3 10 1 Removing the Flex Switch Board and Push Button Board 1 Switch off the instrument Remove the case see page 89 Remove the EMC panel see page 91 Remove the Front Unit see page100 BR Carefully push the five holders apart and remove the flex switch board A300 150 Module Replacement and Upgrade holders 6 Remove the push button board 140 150 140 3 3 10 2 Installing the Flex Switch Board and the Push Button Board 1 Install the push button board 140 140 150 R amp S SGS100A Repair Module Replacement and Upgrade 2 Install the flex switch boa
23. definici n en otras reas econ micas o en aplicaciones militares Por eso se deber tener en cuenta que las palabras de se al aqu descritas sean utilizadas siempre solamente en combinaci n con la correspondiente documentaci n del producto y solamente en combinaci n con el producto correspondiente La utilizaci n de las palabras de se al en combinaci n con productos o documentaciones que no les correspondan puede llevar a interpretaciones equivocadas y tener por consecuencia da os en personas u objetos Estados operativos y posiciones de funcionamiento El producto solamente debe ser utilizado seg n lo indicado por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilaci n Si no se siguen las indicaciones del fabricante pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte En todos los trabajos deber n ser tenidas en cuenta las normas nacionales y locales de seguridad del trabajo y de prevenci n de accidentes 1171 0000 42 08 Page 9 Instrucciones de seguridad elementales Si no se convino de otra manera es para los productos Rohde amp Schwarz v lido lo que sigue como posici n de funcionamiento se define por principio la posici n con el suelo de la caja para abajo modo de protecci n IP 2X uso solamente en estancias interiores utilizaci n hasta 2000 m Sobre el nivel del mar transporte hasta 4500 m sobre el nivel de
24. error in the rated temperature range and from aging eu s Service Manual 1173 9111 02 06 13 R amp S SGS100A Performance Test Test Procedures 1 4 1 2 External Reference mode Test equipment Frequency counter item 1 Signal generator item 5 RF power meter item 8 The external reference input frequency of the DUT is varied according to the data sheet and the RF output signal frequency is controlled with a frequency counter to follow this variation The Reference output level is tested Preparation of gt Connect the signal generator RF output to the REF IN input for the Test method measurement external reference on rear panel of the DUT Connect a calibrated frequency counter to the RF output Synchronize the signal generator and the frequency counter Setting on DUT RF on Level 0 dBm suitable level for the frequency counter Frequency 1 GHz Setup gt Reference Oscillator gt Source External c Ext Ref Frequency 10 MHz gt REF LO Output REF gt Output Frequency 10 MHz Setting on signal generator RF on Level 0 dBm Measurement gt Set the generator frequency to the nominal Ext Ref frequency 10 ppm Measure the output frequency of the DUT There must be no relative frequency error and no error message in the display of the DUT gt Connect the frequency counter to the DUT Ref Out connector Measur
25. evaluate workplaces where there is a special risk of exposure to radiation and if necessary take measures to avert the potential danger 6 Should a fire occur the product may release hazardous substances gases fluids etc that can cause health problems Therefore suitable measures must be taken e g protective 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 their radiation and due to their extremely concentrated electromagnetic power If a laser product e g a CD DVD drive is integrated into a Rohde amp Schwarz product absolutely no other settings or functions may be used as described in the product documentation The objective is to prevent personal injury e g due to laser beams 8 EMC classes in line with EN 55011 CISPR 11 and analogously with EN 55022 CISPR 22 EN 55032 CISPR 32 Class A equipment Equipment suitable for use in all environments except residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Note Class A equipment is intended for use in an industrial environment This equipment may cause radio disturbances in residential environments due to possible conducted as well as radiated disturbances In this case the operator may be required to take appropriate measures to eliminate t
26. is defective Check the RF Mainboard being supplied correct see page 76 Service Manual 1173 9111 02 06 72 Fault Vector Modulation faulty Fault Trigger Input Output faulty Fault Faulty Remote interface PCI express USB or LAN Fault Instrument switches off error message Emergency shutdown appears Test The vector modulation performance is specified only up to the Peak Envelope Power PEP noted in the datasheet Ensure the internal IQ adjustment was performed successfully The vector modulation performance has to match the values given in the datasheet Measure with a vector signal analyzer with sufficient performance i e an R amp S FSQ spectrum analyzer Test This signal is driven from the RF Mainboard FPGA and the Trigger Input Output SMA connector is directly fitted onto the RF Mainboard as well Test All remote interfaces including the interface connectors are fitted directly on the Controller Board Test Check if fan operates during instrument boot procedure Check if fan operation is constrained by dust etc Check ambient temperature R amp S SGS100A Repair Troubleshooting Action if test fails Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 Action if test fails Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 Action if test
27. os a la salud Por eso en caso de incendio deben usarse medidas adecuadas como p ej m scaras antig s e indumentaria de protecci n Los productos con l ser est n provistos de indicaciones de advertencia normalizadas en funci n de la clase de l ser del que se trate Los rayos l ser pueden provocar da os de tipo biol gico a causa de las propiedades de su radiaci n y debido a su concentraci n extrema de potencia electromagn tica En caso de que un producto Rohde amp Schwarz contenga un producto l ser p ej un lector de CD DVD no debe usarse ninguna otra configuraci n o funci n aparte de las descritas en la documentaci n del producto a fin de evitar lesiones p ej debidas a irradiaci n l ser Clases de compatibilidad electromagn tica conforme a EN 55011 CISPR 11 y en analog a con EN 55022 CISPR 22 EN 55032 CISPR 32 A Aparato de clase A Aparato adecuado para su uso en todos los entornos excepto en los residenciales y en aquellos conectados directamente a una red de distribuci n de baja tensi n que suministra corriente a edificios residenciales Nota Los aparatos de clase A est n destinados al uso en entornos industriales Estos aparatos pueden causar perturbaciones radioel ctricas en entornos residenciales debido a posibles perturbaciones guiadas o radiadas En este caso se le podr solicitar al operador que tome las medidas adecuadas para eliminar estas perturbaciones A Aparato de clase Ap
28. que estar protegido contra descargas electroest ticas ESD elec trostatic discharge J Mufiequera con cord n 4 Conexi n a tierra del edificio Estera Talonera gt Conexi n a tierra del rea de trabajo Los siguientes dos m todos de protecci n ESD pueden ser usados jun tos o separados e Mu equera con cord n para conexi n a tierra e Combinaci n de estera antiest tica y talonera 1171 0300 62 E Esp 3 Procedure in Case of Service and Ordering of Spare Parts This section contains information on shipping an instrument to your service center and ordering spare parts Please contact your local Rohde amp Schwarz service center if you need service or repair work of your equipment or to order spare parts You can find the current address of your representative on our homepage www rohde schwarz com Shipping the Instrument We require the following information in order to answer your inquiry fast and correctly and to determine whether the warranty is still valid for your instrument Instrument model Serial number Firmware version Must the instrument be returned with this firmware Detailed error description in case of repair Indication of desired calibration Contact person for possible questions In some countries an RMA process is available for the return shipment of the instrument For details contact your local representative When shipping the instrument be careful to provide for suffi
29. the Rohde amp Schwarz group of companies Do not insert the plug into sockets that are dusty or dirty Insert the plug firmly and all the way into the socket provided for this purpose Otherwise sparks that result in fire and or injuries may occur Do not overload any sockets extension cords or connector strips doing so can cause fire or electric shocks For measurements in circuits with voltages Vims gt 30 V suitable measures e g appropriate measuring equipment fuse protection current limiting electrical separation insulation should be taken to avoid any hazards Ensure that the connections with information technology equipment e g PCs or other industrial computers comply with the IEC 60950 1 EN 60950 1 or IEC 61010 1 EN 61010 1 standards that apply in each case Unless expressly permitted never remove the cover or any part of the housing while the product is in operation Doing so will expose circuits and components and can lead to injuries fire or damage to the product If a product is to be permanently installed the connection between the protective conductor terminal on site and the product s protective conductor must be made first before any other connection is made The product may be installed and connected only by a licensed electrician For permanently installed equipment without built in fuses circuit breakers or similar protective devices the supply circuit must be fuse protected in such
30. the standard definition for civil applications in the European Economic Area Definitions that deviate from the standard definition may also exist in other economic areas or military applications It is therefore essential to make sure that the signal words described here are always used only in connection with the related product documentation and the related product The use of signal words in connection with unrelated products or documentation can result in misinterpretation and in personal injury or material damage 1171 0000 42 08 Page 2 Basic Safety Instructions Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer without the product s ventilation being obstructed If the manufacturer s specifications are not observed this can result in electric shock fire and or serious personal injury or death Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed 1 Unless otherwise specified the following requirements apply to Rohde amp Schwarz products predefined operating position is always with the housing floor facing down IP protection 2X use only indoors max operating altitude 2000 m above sea level max transport altitude 4500 m above sea level A tolerance of 10 shall apply to the nominal voltage and 5 to the nominal frequency overvoltage categ
31. utilice nunca el producto si est da ado el cable de conexi n a red Compruebe regularmente el correcto estado de los cables de conexi n a red Aseg rese mediante las medidas de protecci n y de instalaci n adecuadas de que el cable de conexi n a red no pueda ser da ado o de que nadie pueda ser da ado por l p ej al tropezar o por un choque el ctrico 1171 0000 42 08 Page 10 Instrucciones de seguridad elementales Solamente est permitido el funcionamiento en redes de alimentaci n TN TT aseguradas con fusibles de 16 A como m ximo utilizaci n de fusibles de mayor amperaje solo previa consulta con el grupo de empresas Rohde amp Schwarz Nunca conecte el enchufe en tomas de corriente sucias o llenas de polvo Introduzca el enchufe por completo y fuertemente en la toma de corriente La no observaci n de estas medidas puede provocar chispas fuego y o lesiones No sobrecargue las tomas de corriente los cables alargadores o las regletas de enchufe ya que esto podr a causar fuego o choques el ctricos En las mediciones en circuitos de corriente con una tensi n Ug gt 30 V se deber n tomar las medidas apropiadas para impedir cualquier peligro p ej medios de medici n adecuados seguros limitaci n de tensi n corte protector aislamiento etc Para la conexi n con dispositivos inform ticos como un PC o un ordenador industrial debe comprobarse que stos cumplan los est ndares 60950 1 60950 1 o IE
32. 00 gesteckt Cable from fan 100 plugged here V oder or IV oder or V Netzteil 50 gesteckt supply 50 plugged here ACHTUNG EGB CAUTION ESD B E D 1810 1 600 F 100 210 T p 220 n 2 E S E 5 d G I O TEST a gt MP zum Befestigen von Pos 210 Gerateruckwand 230 for fastening pos 210 in instrument rear panel o CLS gt _ EPA e 222 0 2 e e 200 X 350 RT oder oder or or Vo y A200 F r diese Montagezeichnung sind folgende St cklisten relevant The following part lists are relevant for this assembly drawing X entf llt mit 555 898 t used with 505 98 ue II 1416135301 SGS B26 III 1416 2108 0 SGS B98 IV 1416 2308 01 SGS B106 V 1416 2350 01 SGS B106V VI 1416 1553 0 SGS B112 VII 14161576001 SGS B112V 2 3 4 5 6 7 Eu 2 ODE OO a JOO Ej Q SR o DOGO ELO O O As J 212 213 1050 IV zur Befestigung von Pos 1010 1020 2 in Gerateruckwand A for fasfening pos 1010 1020 mit max 60 Ncm angezogen in instrumental rear panel All connections of fhe RF cable tightened fo max 60 Variantenerkl rung VARO2 Grundausf hrung U een Explanation of Models MODOZ Basic Model e 2013 10 24 oy 8 9 10 1 12 13 ACHTUNG EGB CAUTION ESD 50 gesteckt in Pos 210 A50 0 A100 Contr Boar
33. 12 3 V y Check Fuses on RF Board Check 12 V supply voltage on Controller Board y Check 1 0 V 0 95 V 1 05 V and 3 3 V 3 15 V 3 45 V supply voltages on Controller Board y Check green LED on Controller Board Possible error causes and further steps Short circuit on secondary side Disconnect power supply module from RF Board and recheck voltage on power supply module If it still does not match the rated value replace power supply module If voltage is correct now reconnect boards and fan one by one and search this way for the module which causes the short circuit If fuses are blown proceed as described in section Fuses on page 74 Either Controller Board or RF Board is defect If voltages do not match the rated value replace Controller Board If LED is lit then green Front Panel keypad foil is defect or not connected properly to Controller Board simr Service Manual 1173 9111 02 06 62 R amp S SGS100A Repair Troubleshooting Controller Board with TAZ 2 05 00 835333539 Note The screws of the RF Board shield may be used as ground potential for the measurements Service Manual 1173 9111 02 06 63 R amp S SGS100A Repair 3 2 3 Troubleshooting e Error boot process step 2 or not reached Action Try to reinstall Firmware via Recovery System Possible error causes and further steps If not poss
34. 3 7 piper ee ee 26 1 4 3 8 Residual AM an ee ee ehe 28 1 4 4 ESUTOIBBECM 30 1 4 4 1 Level Uncert ifty sexto 30 1 4 4 2 Output Impedance 32 1 4 4 3 Setting MEE een 33 1 4 5 Pulse Modulation Option R amp S SGS K22 sss 35 1 4 5 1 ON OFF Rate nennen sah en an een 35 1 4 5 2 Rise Fall Time and Pulse Overshobt 22u4240nsnnennnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 36 Service Manual 1173 9111 02 06 3 R amp S SGS100A Table of Contents 1 4 5 3 1 4 5 4 1 4 6 1 4 6 1 1 4 6 2 1 4 6 3 1 4 6 4 1 4 6 5 1 4 6 6 1 4 6 7 1 4 7 1 4 8 2 1 2 1 1 2 2 2 3 2 4 2 5 2 5 1 2 6 3 1 3 1 1 3 1 2 3 1 2 1 3 1 2 2 3 1 2 3 3 1 2 4 3 1 2 5 3 1 2 6 3 1 3 3 1 3 1 Video Crosstalk CER 37 Pulse Video Signal ee eee 38 VO modula iii ia 39 Input Impedance 5 2 0402044 0 0 nora 39 Error VO nennen 40 Residual Carrier and Leakage sss esee nnne nennen nnne nennen 41 a 42 Adjacent Channel Power for 43 Frequency Response of Baseband Bypass 44 Level linearity of Baseband Bypass 45 Phase Coherence Levels Option R amp S 5 85 90 46 PCI Express Interface iii a Eee 46 Adjust
35. 5 V DC to the lex Input Repeat the measurement R amp S SGS100A Performance Test Test Procedures Recommended test Je 7 frequencies and modes ode 93 8 MHz CW Q 187 4 MHz CW l 187 6 MHz CW IQ 374 9 MHz CW Q 375 1 MHz CW Q 749 9 MHz CW Q 750 1 MHz CW Q 1499 9 MHz CW IQ 1500 1 MHz CW l 2999 9 MHz CW IQ 3000 1 MHz CW IQ 3000 1 MHz CW IQ 6000 MHz CW 10 79 9 MHz 6000 1 MHz 79 9 MHz 12750 MHz C 5999 9 MHz CW IQ 12750 MHz CW Q 6000 1 MHz CW IQ 12750 MHz CW Q CW CW CW Ww Service Manual 1173 9111 02 06 17 R amp S SGS100A Performance Test Test Procedures Example of Measurement Marker 1 T1 94 964309692 Hz 334 935897 us Center 750 1 MHz 100 ps Date 12 MAR 2012 16 08 54 The marker is set to the time when the trace enters the specified interval of 750 1 MHz 150 Hz The setting time is 335 ps Service Manual 1173 9111 02 06 18 R amp S SGS100A Performance Test Test Procedures 1 4 3 Spectral Purity 1 4 3 1 Harmonics Test equipment HF analyzer item 19 Test setup gt Connect the RF analyzer to the RF output of the DUT Synchronize the reference frequencies of analyzer and DUT Measurement Settings on analyzer Reference level 20 dBm 10 dB div Span 0 Hz Resolution bandwidth 10 kHz Settings on DUT Frequency test frequencies unmodulated Level test level
36. 6 89 R amp S SGS100A Repair Module Replacement and Upgrade 480 To remove the two covers lower 350 and upper 380 first push the cover backwards and then remove it 380 3 3 5 Installing the Case 1 To install the covers lower 350 and upper 380 first put the cover holders into the slots on the unit and then push it down 380 Risk of damage to the instrument Ensure that the Power Supply cord is disconnected Service Manual 1173 9111 02 06 90 Module Replacement and Upgrade 2 Putthe two rear feet 480 on the instrument and fasten it 480 3 3 6 Replacing the EMC Panel 3 3 6 1 Removing the EMC Panel 1 Removing the case see page 89 2 Unfasten the six screws 290 lift up the EMC panel 280 and remove it backwards 3 3 6 2 Installing the EMC Panel 1 Push the EMC panel 280 forward and push it down Fasten it with the six screws 290 Module Replacement and Upgrade 2 Installing the case see page 90 3 3 7 Replacing the Power Supply A50 3 3 7 4 Removing the Power Supply 1 Switch off the instrument Remove the case see page 89 Remove the EMC panel see page 91 Boom Disconnect the side panel 450 by pushing it backwards and removing it from the unit 450 a 88 MURA Module Replacement and Upgrade 6 Unfasten the combination screws 60 on the right and on the left of the Power Supply 7 Disconn
37. 9 5994 00 Littlefuse R451 007 NRL MRL from 6 09 F2801 FF7A 2079 5994 00 Littlefuse R451 007 NRL MRL I NN Service Manual 1173 9111 02 06 74 Troubleshooting Figure 3 2 Position of the fuses on the RF Mainboard 3 2 8 Troubleshooting RF Mainboard R amp S SGS100A Repair Troubleshooting The tests listed below ensure that an assumed error on the RF Mainboard is not caused by a defective or incorrectly connected cable incorrect adjustment or another module Internal Adjustment Adjust All A comprehensive test of the module is to run the internal adjustment Normal action Internal adjustments call Setup Internal Adjustments Adjust Synthesis Internal adjustment of the synthesizer on the RF Mainboard is executed As result Pass is displayed Internal adjustments call Setup Internal Adjustments Adjust Level Internal adjustment of the ALC Loop on the RF Mainboard is executed As result Pass is displayed Internal adjustments call Setup Internal Adjustments Adjust IQ Modulator Internal adjustment of the IQ Modulator on the RF Mainboard is executed As result Pass is displayed Error possible causes and corrective action Abort during adjustment The adjustments are all carried out exclusively on the RF Mainboard Most probably the RF Mainboard is defective Check the board bein
38. Atall test levels read the marker level Puarker and calculate the level error referred to Pas Recommended test 1 MHz 20 MHz 80 MHz frequencies Recommended test levels Test levels for instruments equipped with Option R amp S SGS B26 Set level to 0 dBm and determine Pmax Use test levels from P max down to Pmax 20 dB in steps of 1 dB Test level for instruments without Option R amp S SGS B26 15 dBm down to 5 dBm in steps of 1 dB sPH m Service Manual 1173 9111 02 06 45 R amp S SGS100A Performance Test Test Procedures 1 4 7 Phase Coherence Levels Option R amp S SGS K90 Test assembly The second Signal generator item 5 is connected to the LO IN connector and the RF power meter item 8 is connected to LO OUT connector Test method A LO Signal from the second signal generator is fed into the LO input With LO Coupling set to external and the LO output switched on the power at the LO out SMA connector is measured with the power meter Measurement Settings on DUT RF State ON Level 30 dBm Frequency recommended test frequencies or RFmax whichever is lower Frequency Phase menu LO Coupling gt Source Ext LO Coupling REF LO Output LO Setting on second signal generator Level 7 dBm 13 dBm Frequency recommended test frequencies RF State ON Setthe frequency of the second generator to the recommended t
39. Bm unmodulated Setting on the analyzer Test frequency SPAN 10 Hz FILTER TYPE FFT RES BW 5 Hz set Marker to test frequency Reference level Pie 17 dBm gt Read the marker level Puarker and calculate the correction factor C Pabsolute P marker with Pabsolute from the measurements performed with the power meter gt Now decrease the DUT level in 5 dB steps and calculate the output power P by adding the Correction factor C to the marker readout gt As soon as the marker level Pay is lower than Pret 45 dB increase the sensitivity of the analyzer by reducing the input attenuation switching on the internal preamplifier if available and reducing the resolution bandwidth to 1 Hz for levels below 90 dBm Set the analyzer reference level to Pay 1 dB After switching the analyzer sensitivity read out the marker level Pate and recalculate the Correction factor Crew Cola Pati Pare gt Instruments equipped with Option R amp S SGS B26 Continue the measurement down to 120 dBm in 5 dB steps Instruments without Option R amp S SGS B26 Continue the measurement down to 0 dBm in 5 dB steps Recommended test 1 02 MHz 77 5 MHz 512 5 MHz 1087 5 MHz 2187 5 MHz frequencies 3187 5 MHz 4012 5 MHz 5012 5 MHz 5987 5 MHz 7012 5 MHz 8012 5 MHz 9012 5 MHz 10012 5 MHz 11012 5 MHz 12012 5 MHz 12737 5 MHz o Mu Service
40. Board on page 104 Switch on the R amp S SGS100A and after two minutes check the voltage drop across fuse F2801 again If the fuse is blown again the RF Mainboard is defective and should be replaced If the fuse is o k switch off the R amp S SGS100A again If the R amp S SGS100A is equipped with step attenuator then connect the step attenuator ASATT13 Switch on the R amp S SGS100A again If the fuse is blown after two minutes the step attenuator module ASATT13 1412 5360 is defective and has to be replaced see page 108 If the R amp S SGS100A is equipped with a Doubler Board switch off the R amp S SGS100A and connect this module to the RF Mainboard X211 Switch on the R amp S SGS100A again If the fuse is blown after two minutes the Doubler Board 1416 1601 is faulty and has to be replaced see page 106 If the R amp S SGS100A is equipped with a Reference Oscillator R amp S SGS B1 then switch off the R amp S SGS100A and insert the reference oscillator Switch on the R amp S SGS100A again If the fuse is blown after two minutes the reference oscillator module 1416 2508 is defective and must be replaced see page 104 After replacement of defective modules don t forget to replace fuse F2800 and or F2801 too RFMB revision R amp S Part TAZ Fuse Type NUES Manufacturer Part Number up to 6 08 F2800 T5A 1090 4442 00 ES 452 005 NAL up to 6 08 F2801 T5A 1090 4442 00 CEU BASES NBL from 6 09 F2800 FF7A 207
41. C61010 1 EN 61010 1 v lidos en cada caso A menos que est permitido expresamente no retire nunca la tapa ni componentes de la carcasa mientras el producto est en servicio Esto pone a descubierto los cables y componentes el ctricos y puede causar lesiones fuego o da os en el producto Si un producto se instala en un lugar fijo se deber primero conectar el conductor de protecci n fijo con el conductor de protecci n del producto antes de hacer cualquier otra conexi n La instalaci n y la conexi n deber n ser efectuadas por un electricista especializado 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 alimentaci n debe estar protegido de modo que todas las personas que puedan acceder al producto as como el producto mismo est n a salvo de posibles da os Todo producto debe estar protegido contra sobretensi n debida p ej a una ca da del rayo mediante los correspondientes sistemas de protecci n Si no el personal que lo utilice quedar expuesto al peligro de choque el ctrico No debe introducirse en los orificios de la caja del aparato ning n objeto que no est destinado a ello Esto puede producir cortocircuitos en el producto y o puede causar choques el ctricos fuego o lesiones Salvo indicaci n contraria los productos no est n impermeabilizados ver tambi n el cap tulo Estados
42. CHNG 959220712 1416 0505 01 AEZ B FAN 12VDC DF FLEXSTRIP 16POL R 0 5 L 270 5705 6286 00 ZIF 116 P262 NW 001 1416 0505 01 FFC FLAT FLEXIBLE CABLE 16P 0 5MM Benennung Designation Sprach Lang C Blat Sheet SGS100A SGMA RF SOURCE BASE UNIT deen 17 00 1 of 1 ROHDE amp SCHWARZ SGS100A SGMA RF SOURCE BASE UNIT cn SGS100A Datum 2014 02 12 1GPK HI 1416 0505 01 SA For this document all rights are reserved Printed documents are not subject to revision F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF VARIANTS VARO2 GRUNDVARIANTE VARO2 BASIC MODEL ZS ERSATZTEILLISTE VORHANDEN SPARE PARTS LIST AVAIL Sach Nr Part No 1416 0540 01 ST fir SGS100A und Optionen for SGS100A and Options KB GERAETEWANNE BESCHR HOUSING TROUGH PRINTED NJ PSU 0251 02 PSU 1X 75W 12 2V 6 15A AC DC POWER SUPPLY UNIT VS 6900 ISR M2 5X6 A2 COMBI SCREW 6900 ISR M2 5X6 A2 EV LUEFTER 76X27 6 1L S 12VDC FAN 12VDC DZ KABELBI RD 1 BIS 25 B2 CABLETIE DZ HALTER KAB BIND 4 2 HOLDER EV RADIALLUEFTER HALTERG 27 6MM FRILL FOR FAN DZ DURCHF RD4XRD9 5X5 6 GROMMET MM FRONTPLATTE SIGMA FRONT COVER SIGMA SF SCHALTMATTE SIGMA RUBBER KEYPAD SIGMA ED FRONTMODULBOARD FRONTMODULBOARD DF FLEXSTRIP 16POL R 0 5 L 270 FFC FLAT FLEXIBLE CABLE 16P 0 5MM KN BW2010 RAHMENTEIL 1 2
43. EMC panel see page 91 and check the supply voltages at the test points at X405 according to Figure 3 9 The measured voltages have to meet the values given in the table below If all voltages are of the required level change the module If the supply voltages do not comply with the given values in the above table change the connector cable W211 and test again If the supply voltages still do not comply check the voltages of the RF Mainboard see section Supply Voltages E UO5 amp U X H N Service Manual 1173 9111 02 06 86 R amp S SGS100A Repair Troubleshooting Test point Voltage range Shielding enclosure GND TP1 7 5 V to 48 5 V TP2 7 V to 5 5 V TP3 6 Vto 7 V TP4 11 5 V to 12 5 V Figure 3 9 Location of the test points to measure the supply voltages 3 2 11 2 Input and Output Signals Run the internal self test see page 65 in order to check the internal RF signals of the Doubler Board diagnosis test points D DBL IN D DBL ALC D DBL OUT D IN D OUT If one of the tests at D DBL IN or D IN fails there is no input signal and probably the RF Mainboard or one of the RF cables W207 W208 W209 and W210 is defective If both of these tests pass and at least one of the other tests fail probably the Doubler Board is defective In this case change the module
44. F r diese Unterlage behalten wir uns alle Rechte vor SO Projektion Method E 0 08 6 5GHz 1GHz X201 REF LO IN 100 10MHz Selector Reference Input la 4 MIMO IN Ref Out Reference Loop D DDS DAC med Reference Output Selector Y X202 gt REF LO oUm Ref_Out 19 100MHz y E dd 80 6500MHz y 0 08 6 5GHz D Main PLL pmi 0 08 12 75GHz 10 100 1000MHz x409 12 IN s Filter bank Leveling Doubler 6 12 75GHz Doubler Amplifier D Levelling AMP12 OUT X210 6 00 12 75 GHz 0 08 6 00 GHz gt 1 external DDS_CAL 4 Q external internal Power Amps Thermostat Q internal 12V 24v Power Supply er 12V Controller 5A ADC Diagnosis Mux 32 Inputs LVDS 1 80 MHz gt Directional Coupler X205 1MHz 12 75GHz RF OUT Fast Bus SPI GPIOs 12V Controller 3 Power supply and control functions Controller
45. H ItemNo Quantity Unit Ref Des Designation Stock No Subst part SGS B26 ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL ED ASATT 13GHZ ASATT 13GHZ VS 965 ISR M2 5X25 A4 PA 965 ISR M2 5X25 A4 PA DY FLACHBANDKABEL 26 POLIG R 1 27 RIBBON CABLE 26 POLE DW HF KABEL W110A RFBOARD ZU EICHLTG RF CABLE W110A RFBOARD TO ATT DW HF KABEL W100A EICHLTG ZU HFAUSG RF CABLE W110A ATT TO RFOUT Benennung Designation SGS B26 ELECTRONIC STEP ATTENUATOR ROHDE amp SCHWARZ SGS B26 ELECTRONIC STEP ATTENUATOR Datum Date Abt Dept Name Name 2010 10 13 1GPK 1412 5360 02 1416 1547 00 1416 1524 00 1416 1501 00 1416 1499 00 Sprach Lang C Blat Sheet de en 02 00 1 of 1 Dokument Nr Document No 1416 1353 01 ST For this document all rights are reserved Printed documents are not subject to revision F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst Pos Nr Menge ME El Kennz_ Benennung Bezeichnung 2 Sachnummer Ersatzteil BA VH ItemNo Quantity Unit Ref Des Designation Stock No Subst part ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL OS GERAETESCHILD SGMA 6 GHZ CW 1416 2320 00 LABEL ED RF MAINBOARD 1416 1001 03 RF MAINBOARD VS HVC ISR M2 5X12 A2 1096 5205 00 C
46. IQ Modulation switched on Settings menu State On 1 Q Wideband On and supply 0 5 V DC to the lex Input Note Some of the nonharmonics suppression values to be measured might be outside analyzer specifications In case of doubt repeat the measurement with a 3 dB attenuator pad at the analyzer input If the nonharmonics suppression changes the nonhar monics are due to the analyzer Because of the bell shaped noise of the analyzer near the carrier smaller resolution bandwidths may have to be used To exclude amplitude independent nonharmonics of the analyzer use a second generator with different synthesis architecture nm Service Manual 1173 9111 02 06 22 R amp S SGS100A Performance Test Test Procedures 1 4 3 5 Wideband Noise Test equipment RF analyzer item 19 Test setup gt Connect the RF analyzer to the RF output of the DUT Synchronize the reference frequencies of analyzer and DUT Test method The carrier power is measured first Then the center frequency of the analyzer is increased by 10 MHz and the noise power in a small bandwidth is measured The difference of the carrier power and the noise power in 1 Hz bandwidth which is calculated from the measurement is defined as wideband noise Because wideband noise degrades with lower electronic levels at the output step attenuator input the output level of the generator
47. M4X10 ISR PA entfallt in Kombination mit SGS B98 not applicable in combination with SGS B98 Benennung Designation Sprach Lang I Blatt Sheet SGS100A SGMA RF SOURCE BASE UNIT deen 17 00 20 2 ROHDE amp SCHWARZ SGS100A SGMA RF SOURCE BASE UNIT 22 SGS100A psu 2014 02 12 1GPK Name Hi 1416 0505 01 ST For this document all rights are reserved Printed documents are not subject to revision F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst Pos Nr Menge ME El Kennz_ Benennung Bezeichnung 2 Sachnummer Ersatzteil BA VH ItemNo Quantity Unit Ref Des Designation Stock No Subst part 1810 1 S 1830 2 S ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL A600 ED OCXO BOARD 1416 2508 02 X OCXO BOARD VS HVC ISR M2 5X12 A2 1096 5205 00 COMBINATION SCREWS Benennung Designation Sprach Lang A l C Blatt Sheet SGS B1 REFERENZOSZILLATOR de en 02 00 1 of 1 ROHDE amp SCHWARZ SGS B1 REFERENCE OSCILLATOR A TUUS SGS B1 Baum 2011 03 02 3 1GPK Name Hi 1416 2408 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz_ Benennung Bezeichnung 2 Sachnummer Ersatzteil BA V
48. Mainboard 1010 1020 and connect it with the four screws 1630 10 Connect the RF cable W110A 1680 on X501 on the Step Attenuator the new RF cable W100A 1690 on X502 and the ribbon cable W206 1650 on X503 11 Fasten the four screws 1630 and remove the Attenuator Board 1610 Service Manual 1173 9111 02 06 110 Module Replacement and Upgrade 1610 1650 1690 1680 12 Install the RF Mainboard 13 Install the EMC panel see page 91 14 Install the case see page 90 15 Perform the necessary action described in chapter Adjustment page 47 R amp S SGS100A Firmware Update Module Replacement and Upgrade 4 Firmware Update 1 Select SGMA GUI main panel gt Instrument Name gt Setup gt Maintenance gt Operation Install firmware package Press Select Package and navigate to the directory the new firmware is stored in Enter the Security Password 4 Confirm the update with Accept The software transfers the firmware file and automatically starts the update procedure During the update the message Updating Firmware is displayed in the Info line Note The update procedure requires restart of the instrument The restart is performed automatically The instrument is not accessible during that time 5 Wait until the message Updating Firmware disappears and the update is completed The green POWER ON STANDBY LED is on Tip Calibration Error If the Info line shows the message Calibra
49. Manual 1173 9111 02 06 31 R amp S SGS100A Performance Test Test Procedures 1 4 4 2 Output Impedance Test assembly See section Test Assembly for Output Impedance VSWR page 10 Test method For the VSWR measurement of a source the effect of the level control must be taken into account For this purpose an auxiliary generator is used which transmits a wave with a slightly offset carrier frequency into the DUT The difference frequency has to be within the control bandwidth of the level control In the case of ideal source impedance the wave from the auxiliary generator is not reflected by the DUT In the case of not ideal DUT source impedance the output wave of the DUT and the reflected wave of the auxiliary generator are superimposed on one another A directional coupler couples a part of these outgoing superimposed waves to an analyzer The frequency offset results in a beat of the superimposed outgoing waves The VSWR is the ratio between the maximum and minimum amplitude of the beat Measurement Settings on DUT Level test level Frequency test frequency unmodulated Increase the level control bandwidth using the command CALibration LEVel BWIDth HIGH Settings on spectrum analyzer Test frequency span 0 Hz test level Resolution and video bandwidth 10 kHz Linear level scale Sweep time 20 ms Settings on second signal generator set the frequency to the test frequency 100 Hz set minimum le
50. OMBINATION SCREWS VS 6900 ISR M2 5X6 A2 1148 3059 00 COMBINATION SCREWS VS 6900 ISR M2 5X8 A2 0041 1653 00 COMBINATION SCREWS MZ HALTEWINKEL2 F HF AUSG 1416 0940 00 MOUNTING BRACKET VS 6900 ISR M2 5X6 A2 1148 3059 00 COMBINATION SCREWS DW HF KABEL W100 RF BOARD ZU 1416 0928 00 RUECKW RF CABLE W100 RF BOARD TO REAR entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 MB ABSTANDSHUELSE 14MM LANG 1416 1099 00 D5 2 7 DISTANCE SLEEVE 14MM LONG entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 DZ KABELBI L100 B2 4 0209 4852 00 CABLETIE entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 VS 6900 ISR M2 5X25 A2 3584 5502 00 COMBINATION SCREWS entf llt in Kombination mit SGS B26 not applicable in combination with SGS B26 Benennung Designation Sprach Lang I C Blatt Sheet SGS B106 1MHZ TO 6GHZ CW deen 0600 1of1 ROHDE amp SCHWARZ SGS B106 1MHZ TO 6GHZ CW Dokument Nr Document No SGS B106 peu 2012 04 16 3 1GPK Name Hi 1416 2308 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz_ Benennung Bezeichnung 2 Sachnummer Ersatzteil BA VH ItemNo Quantity Unit Ref Des Designation Stock No Subst part
51. P ATT MODE fixed gt Setting on signal generator Level 4 dBm corresponding to 0 5 V Vpeak gt Measure the level at RF OUT at the recommended test frequencies c modulation frequency response is the difference between the highest and the lowest measured sideband level Recommended test 1 MHz from 10 MHz to 150 MHz in steps of 10 MHz frequencies Service Manual 1173 9111 02 06 44 R amp S SGS100A Performance Test Test Procedures 1 4 6 7 Level linearity of Baseband Bypass path Test equipment RF analyzer item 19 Signal generator item 5 Test setup gt Connect the RF output of the DUT to the power meter and connect the signal generator to the input of the DUT Test method In the Baseband Bypass mode the DUT operates like a controllable gain amplifier with and Q as input connectors and RF OUT as output connector By applying signal to the or Q input varying the DUT level setting and measuring the RF OUT level the level linearity can be determined Measurement gt Settings on DUT RF On SOURce OPMode BBBYpass Level Test level ATT MODE fixed gt Setting on signal generator Level 4 dBm corresponding to 0 5 V Vpeak Frequency Test frequency Setting on the analyzer Test frequency Reference level 25 dBm SPAN 10 Hz FILTER TYPE FFT RES BW 5 Hz set Marker to test frequency gt Read the marker level P gt
52. R amp S SGS100A SGMA RF Source Service Manual 1173 9111 02 06 men Test and Measure Service Manual This Service Manual provides servicing and maintenance procedures for the R amp S SGS100A O 2015 Rohde amp Schwarz GmbH amp Co KG Muehldorfstr 15 81671 Munich Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 E mail info rohde schwarz com Internet http www rohde schwarz com Printed in Germany Subject to change Data without tolerance limits is not binding R amp S is a registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R amp S SGS100A is abbreviated as R amp S SGS100A Basic Safety Instructions Always read through and comply with the following safety instructions All plants and locations of the Rohde amp Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety Our products and the auxiliary equipment they require are designed built and tested in accordance with the safety standards that apply in each case Compliance with these standards is continuously monitored by our quality assurance system The product described here has been designed built and tested in accordance with the EC Certificate of Conformity and has left the manufacturer s plant in a
53. REFERENCE LEVEL 1 dBm FM DEMOD FM DEMOD gt MEAS TIME 100 ms FM DEMOD gt DEMOD BW 200 kHz FM DEMOD gt AF FILTER gt HIGH PASS AF FILTER 300 Hz FM DEMOD gt AF FILTER gt LOW PASS AF FILTER kHz gt The Residual FM in the frequency range 300 Hz 3 kHz is the RMS value displayed Repeat the measurement with setting the HIGH PASS AF FILTER to 20 Hz and the LOW PASS AF FILTER to 23 kHz Service Manual 1173 9111 02 06 26 R amp S SGS100A Performance Test Test Procedures Example IFB 2 MHz AQT 50 ms Center 1 GHz 5 ms Frequency Modulation Summary Coupling DC Carrier Offset 45 639 Hz Deviation 12 93 Hz Carrier Power 0 91 12 41 Hz Modulation Frequency Hz peak 2 124 67 Hz Sampling Rate 250 kHz RMS 3 465 Hz Record Length 12502 Demod Bandwidth 200 kHz AF Filter 20 Hz LP 23 kHz Date 22 FEB 2008 17 35 25 Residual FM 3 465 Hz Service Manual 1173 9111 02 06 27 R amp S SGS100A Performance Test Test Procedures 1 4 8 8 Residual AM Test assembly Connect RF analyzer to RF socket of the DUT Test method The FM demodulator of the analyzer is used to AM demodulate the CW signal of the DUT By setting the AF low pass and high pass filters the RMS value in the desired bandwidth can be measured The value displayed is the sum of the analyzer residual AM and the DUT residual AM Because they are uncorrelated the displaye
54. S B112V option due to the installed RF Mainboard version Risk of shock hazard and instrument damage When replacing the electronic step attenuator and or the Doubler Board be aware of connecting the ribbon cables W206 W 221 with the right connector of the RF Mainboard 1 Switch off the instrument and disconnect the main plug Remove the case see page 89 Remove the EMC panel see page 91 Remove the RF Mainboard see page 95 Connect the RF cables on the RF Mainboard 1010 First W207 1380 on the left side then W208 1390 then W209 1400 and W210 1400 on the right side 6 Place the Doubler Board 1310 on the RF Mainboard and connect the four RF cables First W207 1380 on the left side then W208 1390 then W209 1400 and W210 1400 on the right side 7 Fasten the Doubler Board on the RF Mainboard with the three screws 1330 8 Connect the ribbon cable W211 1650 at X405 on Doubler Board 1310 1320 and at X211 on RF Mainboard 1010 en Service Manual 1173 9111 02 06 107 Module Replacement and Upgrade 1010 or 1020 1650 1380 1400 9 Install the RF Mainboard see page 97 10 Install the EMC panel see page 91 11 Install the case see page 90 12 Perform the necessary action described in chapter Adjustment page 47 3 3 14 Replacing the Electronic Step Attenuator R amp S
55. S SGS100A Table of Contents Table of Contents 1 Performance 222 22 8 1 1 Test Equipment 4 2 ehren ea 8 1 2 Test Assemblies release 10 1 2 1 Test Assembly for Output Impedance 10 1 2 2 Test Assembly for Setting Time sessssssssesesseseeeee eene nnne rn 11 1 2 8 Test Assembly for Q 11 1 2 4 Test Assembly for Pulse modulation see eene nennen 11 1 3 Preparation Recommended Test Frequencies and Levels 12 1 4 Igi nc m 13 1 4 1 Reference Frequency estre lt 13 1 4 1 1 Internal Reference 4 1144 cnn nennen nennen nnne nnn nnne nnne nnn nes 13 1 4 1 2 External Reference MOS crol e abor deo ee 14 1 4 2 FREQUENCY inte 15 1 4 2 1 Frequency Selling es 15 1 4 2 2 DB 15 1 4 3 Spectral PUNY c L 19 1 4 3 1 Hafrmonics a A 19 1 4 3 2 ES 1075 OPEP 20 1 4 3 3 INOAMANMONICS LLL M 20 1 4 3 4 Non systematic nonharmonics 2 rendue een 22 1 4 3 5 Wideband N lse u elek 23 1 4 3 6 SSB Phase 156 25 1 4
56. SGS B26 set level to 5 dBm set ATT Mode fixed determine Prin set level to Pin gt Instruments without Option R amp S SGS B26 0 dBm s mn Service Manual 1173 9111 02 06 35 R amp S SGS100A Performance Test Test Procedures 1 4 5 2 Rise Fall Time and Pulse Overshoot Test assembly See section Test Assembly for Pulse modulation page 11 Test method The RF signal is down converted to O Hz in phase Thus the IF output reproduces the RF amplitude vs time Measurement Setting on pulse generator For adjustment statically high level for measurement square wave pulse sequence with a frequency of 1 MHz TTL level Setting on DUT RF On Level 0 dBm Frequency recommended test frequencies Pulse Modulation menu Source External State On Setting on Signal Generator RF On Level recommended LO Level of Mixer Frequency same as DUT Setting on oscilloscope Adjust V div according to the mixer in use Time base 20 ns div Trigger for adjustment free running for measurement 50 of signal amplitude rising and falling edge Adjustment At each test frequency adjust phase using menu Frequency Phase Delta Phase Vary the Delta Phase to obtain maximal signal output at the mixers IF port The voltage at maximum corresponds to 100 of RF amplitude Measurement Evaluate the down
57. Service Manual 1173 9111 02 06 87 R amp S SGS100A Repair Module Replacement and Upgrade 3 3 Module Replacement and Upgrade This section describes in detail the replacement of modules Chapter 5 Documents provides information on how to order spare parts It contains the list of mechanical parts with order numbers and the illustrations for module replacement Danger of injury during module replacement Any adjustments replacement of parts maintenance or repair must be carried out exclusively by technical personnel authorized by Rohde amp Schwarz Follow the step by step instructions for module replacement carefully to avoid injury and ensure safe operation Risk of electrostatic discharge Protect the work area against electrostatic discharge to avoid damage to electronic components in the modules For details refer to the safety instructions at the beginning of this manual Protection of mechanical components Always use a torque wrench 60 Ncm to fasten all RF connectors Do not use an open end wrench Protection of electronic components Always wear gloves when handling the electronic components Datasheet compliance Recalibration of the instrument is required after any disconnection or connection of HF cables 3 3 4 Required Tools Star screwdriver TX 8 Star screwdriver TX 20 Hex Nut Driver 5 mm Torque wrench 60 Ncm 8 mm 3 3 2 Module Overview Overview Module Replacement
58. Test Procedures Evaluation gt If the power Pres lt Pnoise 0 41 dB the inherent noise power of the analyzer can be subtracted W Noise Es 10 log 1010 mg 50dB gt If the power Pres gt Pnoise 0 41 dB the analyzer resolution is not sufficient for a precise measurement The true result is in such case certainly more than 10 dB below the measured value The result then is at least W _Noise P P ref noise 50dB 10dB gt The difference between the possibly corrected power P noise in dBm and the power P e in dBm is the broadband noise floor in dBc Recommended test 1MHz 5 001 MHz 10 01 MHz 20 01 MHz 40 01 MHz frequencies 60 01 MHz 80 MHz 80 01 MHz 93 75 MHz 93 76 MHz 120 MHz 120 1 MHz 187 5 MHz 187 6 MHz 265 MHz 375 MHz 375 1 MHz 530 MHz 750 MHz 750 1 MHz 1059 MHz 1500 MHz 1501 MHz 2120 MHz 3000 MHz 3001 MHz 3500 MHz 4000 MHz 5100 MHz 6 GHz 6001 MHz 6500 MHz 6501 MHz 7200 MHz 7201 MHz 7300 MHz 7301 MHz 8100 MHz 8900 MHz 8901 MHz 9400 MHz 9401 MHz 9800 MHz 10700 MHz 10701 MHz 11700 MHz 12750 MHz Repeat the measurement with IQ Modulation switched on Settings menu State On 1 Q Wideband On and supply 0 5 V DC to the lex Input Q Service Manual 1173 9111 02 06 24 R amp S SGS100A Performance Test Test Procedures 1 4 3 6 SSB Phase Noise Test assembly Connect Phase Noise Analyzer
59. V complying with US regulation UL 498 or with IEC 83 USA Canada DS 0041 4752 00 GB2099 GB1002 10 250 V approvals CCC China DS 0041 6232 00 JIS C 8303 7A 125 V AC approvals PSE JET Japan DS 0006 7107 00 Type 10 250 V complying with AS C112 1964 Ap Australia DS 0025 2365 00 DS 0099 1456 00 DIN 49 441 10 A 250 V angular DIN 49 441 10 A 250 V straight approvals VDE VE CEBEC KEMA S D N FI LCIE IMQ UCIEEEurope Europe except Switzerland Service Manual 1173 9111 02 06 114 Spare Part List and Mechanical Drawings 6 2 Spare Part List and Mechanical Drawings F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem nderungsdienst For this document all rights are reserved Printed documents are not subject to revision el Kennz Benennung Hinweise Sachnummer Hersteller Bestellbezeichnung enthalten in Part Designation Stock No Manufacturer Designation contained in ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF VARIANTS VARO2 GRUNDVARIANTE VAR02 BASIC MODEL NJ PSU 0251 02 PSU 1X 75W 12 2V 1416 0870 00 INPOTRON PSU 0251 02 TAZ 06 00 1416 0505 01 6 15A AC DC POWER SUPPLY UNIT ED CONTROLLER BOARD 1416 1201 02 1416 0505 01 CONTROLLER BOARD ED FRONTMODULBOARD 1419 4801 02 1416 0505 01 FRONTMODULBOARD EV LUEFTER 76X27 6 1L S 12VDC 3584 3900 00 PAPST Z
60. a an SPI Interface of the processor 3 1 2 4 Diagnostic Multiplexer The diagnostic Multiplexer is used for measuring the supply voltages of the Controller Board during failure diagnostic 3 1 2 5 EEPROM The following data is stored here Serial number of the instrument header line data of the board Service Manual 1173 9111 02 06 53 R amp S SGS100A Repair Functional Description 3 1 2 6 Temperature sensor A temperature sensor mounted on the Basis Board monitors the temperature If a defined temperature above the guaranteed maximum operating temperature is exceeded the modules in the instrument are switched off So the R amp S SGS100A Secures itself against damage due to overheating 3 1 3 RF Mainboard The RF Mainboard contains the basic analog hardware of the instrument The RF signal is generated by a synthesizer that can be locked to internal or external reference frequency sources Analog IQ modulation can be performed when the vector modulation option is equipped The output level is controlled by a level control loop controlling the level driving the instrument output or the optional step attenuator The RF Mainboard is controlled by the Controller Board via a serial bus and additional control signals 3 1 3 1 Block diagram MINO
61. a way that anyone who has access to the product as well as the product itself is adequately protected from injury or damage Use suitable overvoltage protection to ensure that no overvoltage such as that caused by a bolt of lightning can reach the product Otherwise the person operating the product will be exposed to the danger of an electric shock Any object that is not designed to be placed in the openings of the housing must not be used for this purpose Doing so can cause short circuits inside the product and or electric shocks fire or injuries Unless specified otherwise products are not liquid proof see also section Operating states and operating positions item 1 Therefore the equipment must be protected against penetration by liquids If the necessary precautions are not taken the user may suffer electric shock or the product itself may be damaged which can also lead to personal injury Never use the product under conditions in which condensation has formed or can form in or on the product e g if the product has been moved from a cold to a warm environment Penetration by water increases the risk of electric shock Prior to cleaning the product disconnect it completely from the power supply e g AC supply network or battery Use a soft non linting cloth to clean the product Never use chemical cleaning agents such as alcohol acetone or diluents for cellulose lacquers Operation 1 Operating
62. acumuladores que contienen plomo mercurio o cadmio deben tratarse como residuos especiales Respete en esta relaci n las normas nacionales de eliminaci n y reciclaje Transporte 1 El producto puede tener un peso elevado Por eso es necesario desplazarlo o transportarlo con precauci n y si es necesario usando un sistema de elevaci n adecuado p ej una carretilla elevadora a fin de evitar lesiones en la espalda u otros da os personales 1171 0000 42 08 Page 13 Instrucciones de seguridad elementales Las asas instaladas en los productos sirven solamente de ayuda para el transporte del producto por personas Por eso no est permitido utilizar las asas para la sujeci n en o sobre medios de transporte como p ej gr as carretillas elevadoras de horquilla carros etc Es responsabilidad suya fijar los productos de manera segura a los medios de transporte o elevaci n Para evitar da os personales o dafios en el producto siga las instrucciones de seguridad del fabricante del medio de transporte o elevaci n utilizado Si se utiliza el producto dentro de un veh culo recae de manera exclusiva en el conductor la responsabilidad de conducir el veh culo de manera segura y adecuada El fabricante no asumir ninguna responsabilidad por accidentes o colisiones No utilice nunca el producto dentro de un veh culo en movimiento si esto pudiera distraer al conductor Asegure el producto dentro del veh culo debidamente para evitar en cas
63. alyzer Because of the bell shaped noise of the analyzer near the carrier smaller resolution bandwidths may have to be used To exclude amplitude independent nonharmonics of the analyzer use a second generator with different synthesis architecture n p Service Manual 1173 9111 02 06 20 R amp S SGS100A Performance Test Test Procedures Recommended settings and search frequencies Repeat the measurement with IQ Modulation switched on Settings menu State On Wideband On and supply 0 5 V DC to the lex Input Service Manual 1173 9111 02 06 21 R amp S SGS100A Performance Test Test Procedures 1 4 3 4 Non systematic nonharmonics Measurement Settings on DUT Test frequencies 25 MHz 60 MHz 100 MHz 170 MHz 320 MHz 560 MHz 1000 MHz 1900 MHz 2900 MHz 3000 MHz 4500 MHz 6000 MHz 8000 MHz 10000 MHz 12750 MHz Test level 0 dBm unmodulated Recommended settings on analyzer Max peak detector Filter Type FFT Ref Level 0 dBm Setanalyzer center frequency to 1 GHz span to 40 MHz and resolution bandwidth to 2 kHz Measure carrier level P all signals other than the carrier must be below specified value Setanalyzer span to 100 kHz and resolution bandwidth to 200 Hz all signals other than the carrier must be below specified value Repeatthe measurement with
64. arameters and level according to an internal stored table in approximately 6 dB steps The switching thresholds can be detected under Attenuator fixed range in the Level menu After setting all other parameters the threshold level can be detected by level variation The level at which the attenuator fixed range changes is the threshold By measuring at the last level setting of one range and the first level setting of the next range the internal setting range borders are used In the following Pax is the highest level before switching the attenuator and Pin is defined as Pmax 7 dB for the electronic step attenuator R amp S SGS B26 1 4 Test Procedures 1 4 1 Reference Frequency 1 4 1 1 Internal Reference Mode Important Allow the DUT to warm up for at least 2 hours before starting the measurement Test equipment RF power meter item 8 Frequency counter item 1 Test setup gt Connect an RF power meter to the REF OUT output on rear panel Measurement gt Measure the output level lt should be within the data sheet specifications DUT setting Internal Reference Ref Output Frequency set to 10 MHz 1000 MHz Test setup gt Connect a calibrated frequency counter to the REF OUT output on rear panel Measurement gt Measure the frequency DUT setting Internal Reference Reference output set to 10 MHz 1000 MHz gt frequency deviation must not exceed the sum of deviations resulting from the frequency
65. arato adecuado para su uso en entornos residenciales as como en aquellos conectados directamente a una red de distribuci n de baja tensi n que suministra corriente a edificios residenciales 1171 0000 42 08 Page 12 Instrucciones de seguridad elementales Reparaci n y mantenimiento 1 El producto solamente debe ser abierto por personal especializado con autorizaci n para ello Antes de manipular el producto o abrirlo es obligatorio desconectarlo de la tensi n de alimentaci n para evitar toda posibilidad de choque el ctrico El ajuste el cambio de partes el mantenimiento y la reparaci n deber n ser efectuadas solamente por electricistas autorizados por Rohde amp Schwarz Si se reponen partes con importancia para los aspectos de seguridad p ej el enchufe los transformadores o los fusibles solamente podr n ser sustituidos por partes originales Despu s de cada cambio de partes relevantes para la seguridad deber realizarse un control de seguridad control a primera vista control del conductor de protecci n medici n de resistencia de aislamiento medici n de la corriente de fuga control de funcionamiento Con esto queda garantizada la seguridad del producto Bater as y acumuladores o celdas Si no se siguen o se siguen de modo insuficiente las indicaciones en cuanto a las bater as y acumuladores o celdas pueden producirse explosiones incendios y o lesiones graves con posible consecuencia de muerte El mane
66. bler board To RF amplifier on doubler board From RF amplifier on doubler board Bidirectional trigger input output Service Manual 1173 9111 02 06 78 R amp S SGS100A AMP12_IN X409 AMP42 OUT c X410 LO 6 X407 LO_12 X408 X209 AMP12 IN X210 AMP12 OUT Figure 3 4 Connectors Service Manual 1173 9111 02 06 Repair Troubleshooting W100 W100A RF 500 79 R amp S SGS100A Repair Troubleshooting 3 2 8 4 Error Messages Concerning the RF Mainboard Error message Error correction ALC unlocked Execute Internal Adjustment Adjust Level gt Check if the output level is higher than the specified maximum output level Reduce the output level gt Set attenuator mode Auto Synthesis main loop PLL unlocked gt Execute Internal Adjustment Adjust Synthesis gt Ifthe error message does not disappear change the module Reference PLL unlocked gt Incase that the reference source is set to external check if the external reference is connected to the REF LO Input Are the level and the frequency error of the external reference signal as specified in the data sheet gt Ifthe reference source is set to internal troubleshoot the RF Mainboard with the internal diagnosis and check the OCXO R amp S SGS B1 see section Troubleshooting Reference Oscillator option R amp S SGS B1 on page 81 mea depen gt Execute Internal Adjustment Adju
67. by baseband generator noise Measurement gt Settings on DUT Level 10 dBm PEP Frequency Test frequency Settings menu State On 1 Q Wideband Off gt Settings on DUT or signal generator 3GPP FDD Test Setups Test Model 1 64channels State ON gt Settings on analyzer FREQ CENTER 2160 MHz MEAS CHAN PWR ACP CP ACP STANDARD WCDMA 3GPP FWD SWEEP TIME 1 sec NOISE CORR ON ADJUST REF LVL gt Measure ACP Read out Adjacent Channel and Alternate Channel take the larger of the two measurement values UPPER LOWER Recommended test 1800 MHz 2000 MHz 2200 MHz frequencies nDm rj Service Manual 1173 9111 02 06 43 R amp S SGS100A Performance Test Test Procedures 1 4 6 6 Frequency Response of Baseband Bypass path Test equipment RF Power meter item 8 Signal generator item 5 Test setup gt Connect the RF output of the DUT to the power meter and connect the signal generator to the I input of the DUT Test method In the Baseband Bypass mode the DUT operates like a controllable gain amplifier with and Q as input connectors and RF OUT as output connector By applying a sinewave AC voltage of variable frequency to the or Q input and measuring the RF OUT level the frequency response can be determined Measurement gt Settings DUT RF On SOURce OPMode BBBYpass Level 10 dBm PE
68. carefully If a Doubler Board is installed on the RF Mainboard remove the Front Unit first see page 100 1010 or 1020 p 2 a OE s z 210 4 Connectthe fan cable on X240 and the Power Supply cable on X270 5 Connect the flex switch board cable 150 at X106 on the Controller Board 210 carefully 6 Fasten the three combination screws 1040 7 Fasten the combination screw 1140 together with the distance sleeve 1120 Module Replacement and Upgrade 8 Fasten the one combination screw 1060 power supply cable 1010 or 1020 fan cable 1120 and 1140 1060 screw is under the front 9 Fasten the three combination screws 230 and 1050 on the rear of the instrument 10 Fasten the two locking screws on the Controller Board 210 on the rear of the instrument locking screws SW5 1050 230 11 Install the EMC panel see page 91 12 Install the case see page 90 13 Perform the necessary action described in chapter Adjustment page 47 R amp S SGS100A Repair Module Replacement and Upgrade 3 3 8 3 Replacing the SIM Card If you replace the controller you have to remove the SIM card The SIM card is part of your instrument and will not be replaced by Rohde amp Schwarz if it becomes lost Always keep the SIM card with you 1 Remove the Controller Board see page 95 The SIM card 220 is located on the bottom of the Controller Board 210 2 Open the latch of the SIM
69. cciones de seguridad elementales Es imprescindible leer y cumplir las siguientes instrucciones e informaciones de seguridad El principio del grupo de empresas Rohde amp Schwarz consiste en tener nuestros productos siempre al d a con los est ndares de seguridad y de ofrecer a nuestros clientes el m ximo grado de seguridad Nuestros productos y todos los equipos adicionales son siempre fabricados y examinados seg n las normas de seguridad vigentes Nuestro sistema de garant a de calidad controla constantemente que sean cumplidas estas normas El presente producto ha sido fabricado y examinado seg n el certificado de conformidad de la UE y ha salido de nuestra planta en estado impecable seg n los est ndares t cnicos de seguridad Para poder preservar este estado y garantizar un funcionamiento libre de peligros el usuario deber atenerse a todas las indicaciones informaciones de seguridad y notas de alerta El grupo de empresas Rohde amp Schwarz est siempre a su disposici n en caso de que tengan preguntas referentes a estas informaciones de seguridad Adem s queda en la responsabilidad del usuario utilizar el producto en la forma debida Este producto est destinado exclusivamente al uso en la industria y el laboratorio o si ha sido expresamente autorizado para aplicaciones de campo y de ninguna manera deber ser utilizado de modo que alguna persona cosa pueda sufrir da o El uso del producto fuera de sus fines definidos o sin tene
70. ce Manual 1173 9111 02 06 60 R amp S SGS100A Repair Troubleshooting 3 2 1 Measuring Equipment and Accessories Type of equipment Specifications recommended Equipment R amp S recommended order No Spectrum analyzer Frequency range 0 to 26 GHz R amp S FSQ 1155 5001 26 wmm 1 4 Oscilloscope Bandwidth 2 100 MHz Hameg HM1500 2 or similar 3 2 2 Switch On Problems After switching on the AC power supply via the switch on the back of the instrument the following steps happen during the boot process Step Visible Effect Operational Requirements Green power LED lights up without AC Power supply ok flashing 12V Fuse on RF Board ok Connection from RF Board to Controller Board ok gt 1 0 V and 3 3 V switching regulator on Controller Board ok gt Connection of green Front Panel keypad foil to Controller Board ok 2 After 1 second Green power LED Controller operational and starts starts flashing LED on Controller booting Board lights up Successful loading of FPGA configuration 3 After 40 seconds Green power gt Firmware installation intact LED again lit steadily gt Booting successful 4 Device can be accessed from gt Used port intact and operational SGMA Gui via any of the remote control ports Service Manual 1173 9111 02 06 61 R amp S SGS100A Repair Troubleshooting e Error boot process step 1 not reached Action Check voltage on power supply module output 12 0 V
71. cement There are no manual adjustments to be performed Internal adjustment routines are implemented for this purpose In case external adjustment is required contact your local Rohde 8 Schwarz representative All spare part boards are tested at Rohde amp Schwarz with calibrated working standards according to the performance test All measurement values are within the specified values including the measurement uncertainty as a minimum guard band After replacing an assembly check the following table to see which service procedure is required Changed module Required Recommended Test Procedure action adjustment correction refer to chapter 1 Performance Test Controller Board SIM card transfer Instrument Selftest Restore Ethernet MAC Adress see chapter 2 1 1 Perform Factory Preset sets instrument default hostname FW update Setup Internal Adjustments Adjust All RF Mainboard Setup Internal Adjustments Adjust All Instrument Selftest Absolute Level Correction external Level uncertainty Attenuator Correction external Reference Frequency Internal Attenuator Switchover Correction Reference mode for instruments without external option R amp S SGS B1 Doubler Board Setup Internal Adjustments Adjust All Instrument Selftest Absolute Level Correction external Level uncertainty Attenuator Correction external Attenuator Switchover Correction external Step Attenuator Setup Internal Adjustment
72. cient mechanical and antistatic protection e Use the original packaging for transporting or shipping the instrument The protective caps for the front and rear prevent damage to the operating elements and the connectors e f you do not use the original packaging provide for sufficient padding to prevent the instrument from slipping inside the box Wrap antistatic packing foil around the instrument to protect it from electro static charging Rohde amp Schwarz offers repair and calibrations of the test systems it produces The calibration documentation fulfills ISO 17025 requirements Shipping Defective Modules Also when shipping a module be careful to provide for sufficient mechanical and antistatic protection e Ship the module in a sturdy padded box e Wrap the module in antistatic foil If the packaging is only antistatic but not conductive additional conductive packaging is required The additional packaging is not required if the tightly fitting packaging is conductive Exception If the module contains a battery the tightly fitting packaging must always consist of antistatic non chargeable material to protect the battery from being discharged 1171 0200 61 02 1 Ordering Spare Parts To deliver spare parts promptly and correctly we need the following information Stock number see list of spare parts in chapter Documents Designation Component number according to list of spare parts Number of pieces Instrumen
73. condition fully complying with safety standards To maintain this condition and to ensure safe operation you must observe all instructions and warnings provided in this manual If you have any questions regarding these safety instructions the Rohde amp Schwarz group of companies will be happy to answer them Furthermore it is your responsibility to use the product in an appropriate manner This product is designed for use solely in industrial and laboratory environments or if expressly permitted also in the field and must not be used in any way that may cause personal injury or property damage You are responsible if the product is used for any purpose other than its designated purpose or in disregard of the manufacturer s instructions The manufacturer shall assume no responsibility for such use 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 safety instructions Using the product requires technical skills and in some cases a basic knowledge of English It is therefore essential that only skilled and specialized staff or thoroughly trained personnel with the required skills be allowed to use the product If personal safety gear is required for using Rohde amp Schwarz products this will be indicated at the appropriate place in the product documentation Keep the basic safety instructions and t
74. converted pulse modulated signal on the oscilloscope Rise time time between 10 and 90 of signal amplitude Fall time time between 90 and 10 of signal amplitude Pulse Overshoot Determine the peak value of demodulated signal Vpeak and the signal level of settled pulse Vsettied peak B V Pulse Overshoot in 100 settled settled gt 700 MHz 1 GHz to Fmax in steps of 1 GHz frequencies Service Manual 1173 9111 02 06 36 R amp S SGS100A Performance Test Test Procedures 1 4 5 3 Video Crosstalk Test equipment Oscilloscope item 7 Pulse generator item 11 Test setup To determine the video crosstalk connect the oscilloscope input to the RF output socket of the DUT via a 50 O feed through termination connect the pulse generator output to the TRIG connector of the DUT and connect the trigger input of the oscilloscope Measurement Setting on pulse generator Square wave pulse sequence with a frequency of 100 kHz TTL level Setting on DUT RF On Frequency recommended test frequencies Level recommended test levels Pulse Modulation menu State On Source Extern Settings on the oscilloscope Amplitude 150 mV Div Sweep Time 10 ns Div Bandwidth 500MHz Trigger Offset 20 ns Trigger Source Trigger Input Trigger Level 1 4 V Trigger Slope positive Measure the peak to peak signal level at the rising edge of the pulse Set trigger slope to negative and measure the peak to peak si
75. cute Diagnostic Test Selftest Selftest The self test reports the modules failing the test 4 100002 Self Test Result PASSED PASSED PASSED PASSED To see the details of the self test open the corresponding branch of the result tree 43 100002 Self Test RF Board PASSED CPU Board PASSED E State 1 PASSED D CPU P3V3 PASSED CPU P1V8 PASSED CPU P1V2 PASSED D CPU P1V PASSED D CPU P2V5 PASSED D CPU P5VAUX PASSED PASSED PASSED R amp S SGS100A Repair Troubleshooting 3 2 6 Troubleshooting with Internal Adjustments Various internal adjustments are necessary for correct operation of the instrument The failure of a certain adjustment can shorten troubleshooting considerably The affected module is the RF Mainboard and the installed R amp S SMB B1 12 Doubler Board Note Failed internal adjustments can also be queried on the info page History Normal action Error possible causes and corrective action Internal adjustments call Abort during adjustment Setup Internal Adjustments Adjust All The synthesis level and vector Internal adjustment of the RF Mainboard modulator adjustments in the standard and the optional R amp S SMB B112 B112V frequency range up to 6 GHz are Doubler Board is executed carried out exclusively on the RF Mainboard using the Diagnostic A D converter on the Module Adjustments concerning the extended frequency range from 6 GHz to 12 75 GHz us
76. d zur Befestigung von Pos 50 inserted in pos 210 Power Supply B A100 Controller Board 222 for fastening pos 50 B Power Supply Flachbandkabel liegt sp ter 2 ber el Baugruppen D gt ES Ribbon cable lafer lies above SS GG 4 the electric modules 6 9 G A C zur Befestigung 290 160 152 cA S von Pos 280 CA lt 6 For fastening pos 280 gt 9 2 gt 24 gt di 2 C2 x 2 D A 2 0 o _ Sa P CA E gt Ta CA E Q Q Eu I o 000 0 450 X ul P i 102 Y 404 9 Seitenwand geklebt zur Halterung a 0 des zusammengefassten Lufterkabels mit Kabelbinder glued on side panel for holdung combined fan cable with cable tie lt geklebt glued G G T m auf Pos 130 geklebt in Pos 130 eingelegt A300 in Pos 130 i glued on pos 130 inserted in pos 20 sicher eingerastet A300 securely 2x 5 engaged in pos 130 auf L fter Pos 100 gest lpt 5 und auf Gewindebolzen gedr ckt Pur over fan pos 100 and BH mod Ad Bn rs pressed onto threaded stud bolla ne dhe fap cs ES FE wird Gn mit B106 El b ss Pos 102 das Kabel 1 Teil von SAP Schild geklebt S ES oder or In HOS ZI SENDER so dass es nicht vom R ckwandfuD FR gebunden auf ca 100 mm Lange verdeckt hend m Gn nit BI06V asa S
77. d result is worse than residual RMS of the DUT alone Therefore if the sum is in tolerance according to the data sheet the DUT is also in tolerance Measurement Settings on DUT frequency 1 GHz Level 0 dBm Settings on analyzer CENTER 1 GHz REFERENCE LEVEL 1 dBm AMPT RF ATTEN MANUAL 10 dB FM DEMOD FM DEMOD gt RESULT DISPLAY gt FM DEMOD 5 MEAS TIME 100 ms FM DEMOD 5 DEMOD BW 200 kHz FM DEMOD gt AF FILTER gt HIGH PASS AF FILTER 20 Hz FM DEMOD gt AF FILTER gt LOW PASS AF FILTER 20 kHz SETUP gt SIGNAL SOURCE gt YIG FILTER OFF gt The Residual AM in the frequency range 20 Hz 23 kHz is the RMS value displayed Test frequencies 5 MHz 450 MHz 1 GHz 2 2 GHz 3 2 GHz 4 5 GHz 6 GHz 8 GHz 10 GHz 12 75 GHz Service Manual 1173 9111 02 06 28 R amp S SGS100A Performance Test Test Procedures Example e IFB 2 MHz Ref 0 Att 5 dB AQT 200 ms Center 1 GHz 20 ms Amplitude Modulation Summary Modulation Depth 0 022 Carrier Power 0 87 dBm Modulation peak 0 022 Modulation Frequency Hr 0 023 Sampling Rate 250 kHz peak 2 8 022 Record Length 50001 RMS 0 005 Demod Bandwidth 200 kHz AF Filter 20 Hz LP 23 kHz Date 25 FEB 2008 16 33 44 Residual AM 0 005 Service Manual 1173 9111 02 06 29 R amp S SGS100A Performance Test Test Procedures 1 4 4 Level Data 1 4 41 Level Uncertainty T
78. dules according to the step by step instruction given in chapter 3 When the hardware installation is fully completed switch on the instrument and check the detection of the added modules Setup Menu Hardware Config Now the available Hardware is displayed To activate the Hardware Option the appropriate Hardware Option Key must be installed on the instrument SIM Card Setup Menu Install Option Option Key Type the Option Key Number delivered with your HW Option Restart the instrument and perform the adjustments and tests according to the following table Installed module Required action adjustment correction Recommended Test Procedure refer to chapter 1 Performance Test OCXO Setup Internal Adjustments Adjust All Instrument Selftest Reference Frequency Internal Reference mode Doubler Option SGS B112 Setup Internal Adjustments Adjust All Full Performance Test or SGS B112V Absolute Level Correction external instrument without Step Attenuator Option SGS B26 Doubler Option SGS B112 Setup Internal Adjustments Adjust All Full performance Test or SGS B112V Absolute Level Correction external Attenuator Correction external instrument with Step Attenuator Switchover Correction Attenuator Option SGS external B26 Service Manual 1173 9111 02 06 49 R amp S SGS100A Adjustment Internal Adjustments Installed module Required action adjustment correction Recommended Test Proced
79. e diagnostic system of the Doubler Board option and the Diagnostic A D converter on the RF Mainboard If the synthesis or vector modulation adjustment fails most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 If the level adjustment fails in an instrument without Doubler Board most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 If the level adjustment fails in an instrument with Doubler Board most probably the RF Mainboard is or the Doubler Board is defective Check the connection of ribbon cable W211 Perform the instrument self test see page 51 Service Manual 1173 9111 02 06 67 R amp S SGS100A Repair Troubleshooting 3 2 7 Instrument Faults The following table lists R amp S SGS100A faults For every fault additional test are described to determine the defective module Fault Test Action if test fails RF Output R amp S SGS100A settings Instrument without step Levelis wrong e Instrument Preset attenuator e Reference Oscillator Source Check the mating torque of Int the SMA connector at cable e HFon W100 being 60 Ncm e Mod off Most probably the RF Level 15 dBm Mainboard is defective Measure the Output Level with a Check the RF Mainboard power meter across the frequency being supplied correct see range The difference between set page 76 and measured level has to be lower than guaranteed in the datash
80. e failure The position of the one orange LED indicates the reason for the failure 1st leftmost LED Cannot access recovery partition or USB stick 2nd LED No update package or recovery package found 3rd LED Update package or recovery package defective 4th LED System partition defective 5th LED Out of flash memory 6th LED Update package defective 7th LED Flash memory write error The LEDs stay on for 1 minute after which the instrument performs an automatic reboot mt Service Manual 1173 9111 02 06 113 R amp S SGS100A Documents 6 Documents 6 1 Spare Parts Spare Parts The stock numbers necessary for ordering replacement parts and modules can be found in the spare part list further down 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 antistatic protection 6 1 1 Available Power Cables Stock No Earthed contact connector Preferably used in DS 0006 7013 00 1363 1967 10 A 250 V complying with IEC 83 1975 standard B2 Great Britain DS 0006 7020 00 Type 12 10A 250 V complying with SEV regulation 1011 1059 standard sheet S 24 507 Switzerland DS 0006 7036 00 Type 498 13 10 A 250
81. e output signal with spectrum analyzer Oscillator R amp S SGS B1 or frequency counter and power remove the unit see meter Output frequency and level page 104 and perform this have to meet the specifications test again If it works most given in the data sheet probably the Reference Oscillator B1 is defective Check the Reference Oscillator being supplied correct see page 81 Service Manual 1173 9111 02 06 69 R amp S SGS100A Repair Fault Poor Harmonic Distortion Fault Slow Settling times Service Manual 1173 9111 02 06 Test R amp S SGS100A settings e Instrument Preset e Reference Oscillator Source Int RF on Mod off Level Mode Normal Level Setting Characteristic Auto e Level Maximum guaranteed level for harmonic distortion see datasheet Measure the level of the fundamental frequency with a spectrum analyzer The level of every harmonic has to be at least 30 dB lower than the level at the fundamental frequency Repeat this test over the frequency range of the instrument Test Settling times are defined for PCI express remote control only The settling time is the time delay after the remote control command arrives at the R amp S SGS100A until level and frequency are within the given tolerance from their final values Be careful not to measure with an instrument drifting on its own due to applying the RF from the R amp S SGS100A Troubleshooting Action if t
82. e the Ref Out frequency There must be no relative frequency error compared to the Ext Ref frequency delivered to the DUT gt Connect a RF power meter to the DUT Ref Out connector The Ref Out level shall be within the data sheet specifications Repeat the measurement for following combinations Ext Ref Ext Ref Ref Output Ref Out Level Frequency Level Frequency Limit 10 MHz 0 dBm 10 MHz see data sheet 10 MHz 0 dBm 1000 MHz see data sheet 100 MHz 0 dBm 100 MHz see data sheet 100 MHz 0 dBm 1000 MHz see data sheet 1000 MHz 0 dBm 1000 MHz see data sheet TG Service Manual 1173 9111 02 06 14 R amp S SGS100A Performance Test Test Procedures 1 4 2 Frequency 1 4 2 1 Frequency Setting Test method The frequency setting is tested by running the internal synthesizer adjustments to check the frequency overlap of the VCOs Measurement Run Setup Internal Adjustments gt Adjust Synthesis There must be no error message 1 4 2 2 Setting Time Test assembly See section Test Assembly for Setting Time page 11 Test method The spectrum analyzer operates as an FM demodulator A controller transmits the start and the stop frequency via the LAN interface by a special remote command The DUT trigger connector on the rear panel is programmed as trigger pulse output The analyzer is triggered by the signal generated on the DUT trigger output At switch over from start to stop frequency
83. echte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz_ Benennung Bezeichnung 2 Sachnummer Ersatzteil BA VH ItemNo Quantity Unit Ref Des Designation Stock No Subst part SGS B112 ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL OS GERAETESCHILD SGMA 12 75 GHZ EE DOUBLER BOARD DOUBLER BOARD VS 965 ISR M2 5X25 A4 PA 965 ISR M2 5X25 A4 PA DW HF KABEL W207 RF CABLE W207 DW HF KABEL W208 RF CABLE W208 DW HF KABEL W209 210 RF CABLE W209 210 DY FLACHBANDKABEL 26 POLIG R 1 27 RIBBON CABLE 26 POLE Benennung Designation SGS B112 FREQ EXT TO 12 75GHZ CW ROHDE amp SCHWARZ SGS B112 FREQ EXT TO 12 75GHZ CW Datum Date Abt Dept Name Name 2012 04 16 1GPK 1416 1560 00 1416 1601 02 1416 1547 00 1416 1724 00 1416 1730 00 1416 1747 00 1416 1524 00 Sprach Lang C Blatt Sheet de en 04 00 1 of 1 Dokument Nr Document No 1416 1553 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem nderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz Benennung Bezeichnung Z Sachnummer Ersatzteil BA VH ItemNo Quantity Unit RefDes D
84. ecommended test frequencies Recommended test 80 01 MHz 250 MHz to 12 75 GHz in steps of 500 MHz frequencies Service Manual 1173 9111 02 06 40 R amp S SGS100A Performance Test Test Procedures 1 4 6 3 Residual Carrier and Leakage Test equipment RF analyzer item 19 Test setup gt Connect the RF analyzer to the RF output of the DUT Measurement Settings on DUT RF On Frequency test frequency Level 0 dBm Level menu ALC State Off Table 1 Q Settings menu State Off 1 Q Wideband Off Settings on analyzer FREQ CENTER test frequency SPAN 1 MHz AMPT REF LEVEL test level gt First measure the unmodulated level as a reference gt Then switch on modulation with 50 Ohm terminated l and Q inputs 1 Q Settings menu State On and measure the residual carrier level Pis c The carrier suppression in dBc is Dearrier Pret 7 dBc referred to the carrier gt Set Impairments State to On and Leakage to 2 on the DUT Starting from 100 MHz and then every 100 MHz measure the residual carrier gt The residual carrier should increase to 2 34 dBc Recommended test 12 5 MHz to 12737 5 MHz in 25 MHz steps frequencies Msm Service Manual 1173 9111 02 06 41 R amp S SGS100A Performance Test Test Procedures 1 4 6 4 l Q Imbalance Measurement of imbalance Test equipment RFanalyzer item 19 Arbitrary waveform generator
85. ect the Power Supply cable from X270 on the RF Mainboard 1010 1020 8 Lift up and remove the Power Supply 50 Module Replacement and Upgrade 3 3 7 2 Installing the Power Supply A50 1 Place the Power Supply 50 into the unit 2 Connect the Power Supply cable on X270 on the RF Mainboard 1010 1020 3 Fasten the two combination screws 60 on the right and on the left of the Power Supply R amp S SGS100A Repair Module Replacement and Upgrade 4 Connect the side panel 450 by putting the holders of the side panel into the slots on the unit and then push it forward 450 Ai TA TAO 6 Install the panel see page 91 7 Install the case see page 90 8 Perform the necessary action described in chapter Adjustment page 47 3 3 8 Replacing the RF Mainboard A200 or Controller Board A100 RF Mainboard and Controller Board can only be replaced together 3 3 8 1 Removing the RF Mainboard or Controller Board 1 Remove the case see page 89 2 Remove the EMC panel see page 91 3 If a Doubler Board is installed on the RF Mainboard remove the Front Unit see page 100 4 Unfasten the three combination screws 230 and 1050 on the rear of the instrument 5 Unfasten the two locking screws from the Controller Board 210 on the rear of the instrument Service Manual 1173 9111 02 06 95 Module Replacement and Upgrade locki W ocking screws SW5 1050 230 6
86. ed to perform the internal self test refer to chapter 3 The self test checks the instrument by measuring internal diagnostic points and verifies whether the generator is operating properly If a self test failure occurs check again whether all cables are properly connected If the self test fails continuously contact your local service center Service Manual 1173 9111 02 06 51 Internal Self Test 3 Repair A schematic of the signal generator s design is presented below as block diagram at module level Front Panel Rear Panel SMA 5 QUIN LIN TRIG OUT IN REF LO incl Switch The R amp S SGS100A consists of very few main modules and very few connections between these modules The main units are e Power Supply e Controller Board which includes all digital external interfaces the main CPU the hardware drivers for the front panel and the Interface to the RF Mainboard e Front Unit consisting of the flexible switch board with keys and LED indicators e RF Mainboard containing the basic RF functionality the instrument analog and RF connectors and interfaces to all other modules and HW options e Doubler Board Option R amp S SGS B112 or R amp S SGS B112V containing RF circuitry to extend the frequency range e Step Attenuator Option R amp S SGS B26 containing RF circuitry to extend the level dynamic range e Reference Oscillator Option R amp S SGS B1 which is plugged directl
87. eet Instrument with step attenuator option Check the connection of ribbon cable W206 Check the mating torque of the SMA connectors at cables W100A and W110A being 60 Ncm Most probably the RF Mainboard or the Step Attenuator is defective Check the RF Mainboard being supplied correct see page 76 Service Manual 1173 9111 02 06 68 R amp S SGS100A Repair Troubleshooting Fault Test Action if test fails RF Output R amp S SGS100A settings Most probably the RF Frequency is e Instrument Preset Mainboard is defective wrong e Setup Internal Adjustment Check the RF Mainboard Adjust all being supplied correct see e Reference Oscillator Source Page 76 Ext e Reference Oscillator Ext Ref Input Frequency 10 MHz RF on Mod off Level 0 dBm e Frequency 1 GHz Supply an external 10 MHz reference signal meeting the level and frequency specification given in the datasheet Measure output frequency with a spectrum analyzer or a frequency counter synchronized to the same reference The frequency error has to be 0 1 Hz R amp S SGS100A setting Without Reference Oscillator e Reference Oscillator gt Source B1 being equipped most Int probably the RF Mainboard is e Reference Oscillator Output defective Check the RF Frequency 10 MHz Mainboard being supplied e Reference Oscillator REF LO Correct see page 76 Output REF If the R amp S SGS100A is Measure the 10 MHz reference equipped with Referenc
88. el 8 dBm Service Manual 1173 9111 02 06 19 R amp S SGS100A Performance Test Test Procedures 1 4 3 2 Subharmonics Test equipment RF analyzer item 19 Test setup gt Connect the spectrum analyzer to the RF output of the DUT Synchronize the reference frequencies of analyzer and DUT Measurement First the level of the fundamental is measured as reference then a signal is searched for at 0 5 test frequency and 1 5 test frequency The subharmonic spacing is the measured level referred to the reference level dBc referred to the carrier Recommended test 125 MHz to 12750 MHz in 125 MHz steps frequencies and levels level Pin 1 4 33 Nonharmonics Test equipment HF analyzer item 19 Test setup gt Connect the RF analyzer to the RF output of the DUT Synchronize the reference frequencies of analyzer and DUT Measurement Setting on DUT Level 0 dBm gt First the carrier level P is measured at the test frequency f as reference and then the signal level Psearcn is measured at the analyzer search frequency The nonharmonic spacing D is the measured level referred to the reference level D P 7 Psearch in dBc 2 referred to the carrier Note Some of the nonharmonics suppression values to be measured might be outside analyzer specifications In case of doubt repeat the measurement with a 3 dB attenuator pad at the analyzer input If the nonhar monics suppression changes the nonharmonics are due to the an
89. el ajuste de tensi n tambi n se deber n cambiar en caso dado los fusibles correspondientes del producto Los productos de la clase de protecci n con alimentaci n m vil y enchufe individual solamente podr n enchufarse a tomas de corriente con contacto de seguridad y con conductor de protecci n conectado Queda prohibida la interrupci n intencionada del conductor de protecci n tanto en la toma de corriente como en el mismo producto La interrupci n puede tener como consecuencia el riesgo de que el producto sea fuente de choques el ctricos Si se utilizan cables alargadores o regletas de enchufe deber garantizarse la realizaci n de un examen regular de los mismos en cuanto a su estado t cnico de seguridad Si el producto no est equipado con un interruptor para desconectarlo de la red o bien si el interruptor existente no resulta apropiado para la desconexi n de la red el enchufe del cable de conexi n se deber considerar como un dispositivo de desconexi n EI dispositivo de desconexi n se debe poder alcanzar f cilmente y debe estar siempre bien accesible Si p ej el enchufe de conexi n a la red es el dispositivo de desconexi n la longitud del cable de conexi n no debe superar 3 m Los interruptores selectores o electr nicos no son aptos para el corte de la red el ctrica Si se integran productos sin interruptor en bastidores o instalaciones se deber colocar el interruptor en el nivel de la instalaci n No
90. en bound First part of label glued so that label E MOBO OA m is not covered by the rear panel foot J 5 oder or 2 Teil von SAP Schild geklebt mit B112 Second part of SAP label glued oder or Alle Anschl sse der HF Kabel X entf llt mit SGS B98 mit 60 Ncm angezogen Projektions nof used with SOS B98 thodi All connections of the RF cable E O tightened fo nax 60 Nem ra jection Method ohne Pos 280 und Pos 380 dargestellt mm Iso Em shown without pos 280 and pos 280 ROHDERSCHWARZ SGS100A SGMA RF SOURCE BASE UNIT SGS100A SGMA RF SOURCE BASE UNIT SGS100A Be 201321023 ae i 2 3 4 WV 5 6 7 8 9 10 VI 12 13 ROHDE amp SCHWARZ Block Circuit Diagram F r diese Unterlage behalten SGS100A Front Panel 12 1 Fan Unit 6GHz SMA 3584 3900 00 W208 12 75 GHz SMA W209 12 75 GHz SMA W210 12 75 GHz SMA 12 V DC 6 A max 6 p Cable wir uns alle Rechte vor lt gt SMA W100 Semi Rigid 6 GHz Semi Rigid 12 75 GHz Rear Panel 5 9 PCIe USB LAN Q IN IIN TRIG OUT IN 100 240V AC 50 60Hz max 1 7 REF LO incl Switch ISO Projektion Benennung Sprache Lang Aei C l Blatt Sh ISQ Projek ROHDE amp SCHWARZ sse SGS100A SGMA RF SOURCE BASE UNIT 0500 1 ce me 9051004 05 06 2013 1GPK Name Reger Mq QE wed 1416 0505 01 1416 0505 01 FS
91. enerse 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 documentaci n del producto y que tambi n son de obligado cumplimiento En las presentes informaciones de seguridad se recogen todos los objetos que distribuye el grupo de empresas Rohde amp Schwarz bajo la denominaci n de producto entre ellos tambi n aparatos instalaciones as como toda clase de accesorios Los datos espec ficos del producto figuran en la hoja de datos y en la documentaci n del producto Se alizaci n de seguridad de los productos Las siguientes se ales de seguridad se utilizan en los productos para advertir sobre riesgos y peligros Conexi n a tierra El aparato est protegido en su totalidad por un aislamiento doble reforzado Conexi n a masa Distintivo de la UE para bater as y acumuladores S mbolo Significado S mbolo Significado Aviso punto de peligro general O Tensi n de alimentaci n de PUESTA EN MARCHA PARADA Observar la documentaci n del producto Atenci n en el manejo de dispositivos de peso D Indicaci n de estado de espera standby elevado Peligro de choque el ctrico Corriente continua DC 0 Advertencia superficie caliente Corriente alterna Q Conexi n a conductor de protecci n AS Corriente continua Corriente alterna DC AC M s informaci n en la secci n Eli
92. ent setting errors the instrument must be prepared as follows e Check the instrument condition Make sure the instrument fan operation is not constrained by dust etc The fan can be inspected through the air intake at the case bottom side e Allow for a minimum warm up time of 30 minutes at ambient temperature e Carry out all internal adjustments see operating manual chapter 4 section Internal Adjustment Setup System Perform Preset to establish a defined initial state before configuring a new measurement The following sections describe the procedures for checking the rated values The values are specified in the data sheet Additional uncertainties introduced by the measurement equipment must be taken into account when checking the rated values The following table lists the important internal switch point frequencies and the recommended measurement frequencies derived from these frequencies We recommend measurements at these frequencies unless particular test frequencies are specified In the following RFmax is the maximal settable RF depending on installed options Table 1 2 Range limits main test frequencies for CW Mode Hardware switching points Recommended test frequencies Direct DDS 1 MHz lt f lt 80 MHz 80 MHz 1 MHz 5 001 MHz Synthesis 10 01 MHz 20 01 MHz 40 01 MHz 60 01 MHz 80 MHz Divider 64 80 MHz lt f x 93 75 MHz 93 75 MHz 80 01 MHz 93 75 MHz Divider 32 93 75 MHz f x 187 5 MHz 120 MH
93. equency range multiple filters are needed The different filters are selected according to the RF output frequency and their cut off frequency They are inserted into the RF signal path by the means of RF switches 3 1 3 8 Automatic Level control With the means of a directional coupler a small part of the output signal of the power amplifier is fed to an RF detector The output signal of this RF detector is fed to the Automatic Level Control ALC unit The ALC sets the Level Control Voltage controlling the variable attenuators to reach the desired output level 3 1 3 9 Fan Controller The fan for cooling the RF modules is connected to the RF Mainboard and controlled according to the temperatures of the Controller Board RF Mainboard Doubler Board and Step Attenuator The highest observed temperature determines the fan speed 3 1 3 10 Supply voltage control and filtering The supply voltages required for the RF Mainboard and the optional HW modules are generated by switched mode converters and filtered by means of passive filtering and additional active voltage regulators Linear regulators with very good noise and distortion suppression characteristics have been implemented based on operational amplifier circuitry nt Service Manual 1173 9111 02 06 56 Functional Description 3 1 4 Doubler Board 3 1 4 1 Doubler Board architecture The opt
94. erence Oscillator Adjustment Error Error correction Internal reference frequency gt Check if the error message Reference PLL Frequency error greater than limit Unlocked appears see page 78 given in datasheet The frequency accuracy of the synthesizer is determined set to internal reference by a highly stable oven controlled 10 MHz quartz oscillator that is set to a calibrated frequency standard at the R amp Sfactory This oscillator is subject to ageing and hence its output frequency can be adjusted see chapter 2 Adjustment of internal Reference Frequency Note The internal reference can be tuned by up to approx 10 under the menu Reference Oscillator Adjustment This setting does not affect the factory adjustment and can be reset at any time by means of deactivation If the tuning range is insufficient to reach the frequency error given in the datasheet the OCXO is defective 3 2 10 Troubleshooting Active Step Attenuator 3 2 10 1 Supply Voltages Remove the RF cables W100A W110A from the Step Attenuator Remove the Step Attenuator from the instrument and connect the module to the RF Mainboard using cable W206 Switch on the R amp S SGS100A and measure the supply voltages of the Step Attenuator at the capacitors near its power supply connector X700 see Figure 3 7 Danger of hot surfaces Do not run the Step Attenuator longer than 5 minutes without cooling Service Manual 1173 9111 02 06
95. ervice Manual 1173 9111 02 06 71 R amp S SGS100A Repair Fault 10 MHz 1000 MHz Reference Output faulty Fault ext Input Faulty Test R amp S SGS100A setting e Instrument Preset e Reference Oscillator Source Int e Reference Oscillator Output Frequency 10 MHz 1000 MHz Measure 10 MHz 1000 MHz reference output signal with spectrum analyzer or frequency counter and power meter Output frequency and level have to meet the specifications given in the data sheet Test R amp S SGS100A settings e Instrument Preset e Reference Oscillator Source Int e HFon e Mod on Measure the input resistance of the Input SMA connector with a multimeter The input resistance should be 50 10 Troubleshooting Action if test fails R amp S SGS100A without Reference Oscillator R amp S SGS B1 Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 R amp S SGS100A with Reference Oscillator R amp S SGS B1 Remove the Reference Oscillator B1 see page 104 and perform this test again If still failing most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 If the 10 MHz 1000 MHz reference signal is in tolerance most probably the Reference Oscillator B1 is defective Check this module being supplied correct see page 81 Action if test fails Most probably the RF Mainboard
96. esignation Stock No Subst part ROHDE amp SCHWARZ SGS B112V ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL OS GERAETESCHILD SGMA 12 75 GHZ IQ LABEL EE DOUBLER BOARD DOUBLER BOARD VS 965 ISR M2 5X25 A4 PA 965 ISR M2 5X25 A4 PA DW HF KABEL W207 RF CABLE W207 DW HF KABEL W208 RF CABLE W208 DW HF KABEL W209 210 RF CABLE W209 210 D FLACHBANDKABEL 26 POLIG 1 27 RIBBON CABLE 26 POLE Benennung Designation SGS B112V FREQ EXT TO 12 75GHZ IQ SGS B112V FREQ EXT TO 12 75GHZ IQ Datum Date 2012 04 17 A 1GPK We HI 1416 1582 00 1416 1601 03 1416 1547 00 1416 1724 00 1416 1730 00 1416 1747 00 1416 1524 00 Sprach Lang 1 C I Blatt Sheet de en 04 00 1 of 1 Dokument Nr Document No 1416 1576 01 ST lt For this document all rigths are reserved F r dieses Dokument behalten wir uns alle Rechte vor K Projektions thod Projection Method W100 IV oder or V 100 wird mit nicht benotigt 1 not needed with If e IV oder or V VI oder or VIT B20 oder or A400 VII W209 W210 VI oder or VII VI oder or 1380 VII W207 VI oder or 190 VII W208 TH SIG IV 1080 oder or V S UC TAT on W206 1680 II WTIQA Hier Kabel von Cable from power Hier Kabel von L fter 1
97. est fails Instrument without step attenuator Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 Instrument equipped with Step Attenuator Most probably the RF Mainboard or the Step Attenuator is defective Check the connection of ribbon cable W206 Check the RF Mainboard being supplied correct see page 76 Action if test fails Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 76 70 R amp S SGS100A Repair Troubleshooting Fault Test Action if test fails 10MHz 100 Check the 10 MHz 100 MHz Most probably the RF MHz 1000 1000 MHz reference signal fed into Mainboard is defective MHz the R amp S SGS100A with a spectrum Check the RF Mainboard Reference analyzer or frequency counter and being supplied correct see Input faulty power meter If level and frequency page 76 of this signal is matching the specification in the datasheet set the R amp S SGS100A to e Instrument Preset e Reference Oscillator Source Ext e Reference Oscillator Ext Ref Input Frequency 10MHz 100 MHz 1000 MHz e RFon e Mod off e Frequency 1 GHz e Level 0 dBm Check for error Messages No External Reference Errors are allowed to occur Measure output frequency with a spectrum analyzer or a frequency counter synchronized to the same reference The frequency error has to be lt 0 1 Hz S
98. est frequencies Set the level of the second signal generator to 7 dBm and measure the level Set the level of the second signal generator to 13 dBm and measure the level dBm c The level P gam and should be 10 dBm dB gt The level difference between and P 7 should be less than 1 dB Recommended test 80 01 MHz from 150 MHz every 100 MHz up to 6 5 GHz frequencies 1 4 8 PCI Express Interface Test equipment PCle test port item 24 PCle cable item 23 Test assembly External device with PCI express Interface is connected to R amp S SGS100A PCI express connector Measurement gt Check if external PCI express device can be identified by R amp S SGS100A Service Manual 1173 9111 02 06 46 R amp S SGS100A Adjustment Procedures after Module Replacement 2 Adjustment Preliminary Remark Setting a defined initial state by performing the PRESET operation prior to adjustments is recommended In addition a valid reference frequency is required either by setting the instrument to internal reference or by applying an appropriate external reference signal To ensure that the internal adjustments are valid at operating temperature at least 30 minutes warm up time at this temperature must be observed 2 1 Procedures after Module Replacement This chapter describes the necessary measures to restore the performance of the R amp S SGS100A after module repla
99. est method The level uncertainty is measured in two steps First the frequency response is measured at a fixed level with high frequency resolution Then the level dependant uncertainty is measured at fixed frequencies over the specified range Test equipment RF power meter item 8 RF analyzer item 19 Test method for levels in measurement range of power meter Test setup Connect power meter to RF output socket Measurement gt Setting on DUT Levels test level Level Settings gt Setting Characteristic Auto Measure the level Pabsolute at the recommended test frequencies up to RF max The level error is the deviation of the measured level from the set value gt Repeat the measurement with IQ Modulation switched 1 Q Settings menu State On 1 Q Wideband On and supply 0 5 V DC to the lex Input Use test frequencies according to the recommended test frequency set starting at 80 MHz up to RF max Recommended test gt ALC Mode AUTO levels for frequency Option 415 dBm response measurement Without Option 15 dBm 0 dBm Recommended test CW mode 1 MHz 5 MHz to 75 MHz in 10 MHz steps 80 MHz frequencies for the level frequency response measurement Measurement of level dependent uncertainty for instruments with no step attenuator w o R amp S SGS B26 CW and IQ mode 80 01 MHz 87 5 MHz to 12 75 GHz in 25 MHz Steps Recommended test 10 dBm to 15 dBm in 3 dB steps levels Recommended test 1 MHz 80 MHz 80 01
100. fails Most probably the Controller Board is defective Check the Controller Board being supplied correct see section Switch On Problems on page 61 Action if test fails Remove and clean the fan unit If necessary replace the fan see page 103 Ensure proper cooling of the instrument and do not limit the air flow Operate the instrument inside the ambient temperature specifications Service Manual 1173 9111 02 06 73 R amp S SGS100A Repair 3 2 7 1 Troubleshooting Fuses Switch on the R amp S SGS100A and measure the voltage at fuse F2800 2 If the Voltage is less than 12 V change the power supply If the voltage is o k measure the voltage at fuse F2800 2 If the voltage is much lower than 11 9 V then fuse F2800 is blown and most probably the Controller Board 1416 1201 is faulty Replace the fuse with the correct type given by the table below and check the Controller Board see section Switch On Problems on page 61 Measure the voltage at fuse F2801 1 If the voltage is much lower than 11 9 V then fuse F2801 is blown The fuse might be blown due to a defective module other than the RF Mainboard If the fuse is blown replace the fuse with the correct type given below Remove the connections to the Doubler Board X211 and the step attenuator ASATT13 X206 if present If the RF Mainboard is equipped with the Reference Oscillator R amp S SGS B1 remove this unit as well see section Hemoving the OCXO
101. g supplied correctly see page 77 Abort during adjustment If the adjustment fails even with disconnected Doubler Board most probably the RF Mainboard is faulty When the adjustment fails only with Doubler Board the Doubler Board may be defective Abort during adjustment The adjustments are all carried out exclusively on the RF Mainboard Most probably the RF Mainboard is defective Check the board being supplied correctly see page 77 Service Manual 1173 9111 02 06 76 R amp S SGS100A Repair Troubleshooting 3 2 8 2 Supply Voltages Switch on the R amp S SGS100A and measure the supply voltages of the RF Mainboard at the coils and capacitors near power supply connector X270 see Figure 3 3 The measured voltages have to meet the values given in the table below The voltage at V2806 5 8 may be switched off due to over temperature protection The temperature of all modules should be less then 70 If not turn off the R amp S SGS100A and let all modules cool down before you repeat these measurements Be sure the fan is working correctly If one or more of the voltages are out of tolerance the RF Mainboard is faulty Measuring Point Voltage V Shielding enclosure 0 GND V2806 5 8 11 8 12 5 L2810 2 6 4 to 6 7 L2807 2 8 4 to 8 6 C2838 2 6 6 to 6 4 C2810 1 24 to 25 C2906 1 4 2 to 4 4 L2805 2 11 5 to 12 5 al ce Oscillator
102. gnal level at the falling edge of the pulse c The peak to peak value at the rising and the falling edge have to be below the guaranteed video crosstalk Recommended test gt Testfrequencies 2 GHz 3 GHz 4 GHz 5 GHz 6 GHz frequencies and levels 10 GHz Testlevels 5 dBm 10 dBm Service Manual 1173 9111 02 06 37 R amp S SGS100A Performance Test Test Procedures 1 4 5 4 Pulse Video Signal Test equipment Oscilloscope item 7 Test setup Connect the TRIG connector of the DUT to the oscilloscope Measurement Setting on DUT Pulse Modulation menu State On Source Pulse Generator Pulse Generator Menu Pulse Mode Single Pulse Width 50 ns Pulse Period 100 ns Connector Trigger Settings Menu Connector Mode Video Out Settings on the oscilloscope Amplitude 1 V Div Time base 25 ns Div Trigger Level 1 4 V Input impedance 50 O Check the signal for a symmetric square wave with 100 ns pulse period and 1 65 V 0 3 V amplitude m ms Service Manual 1173 9111 02 06 38 R amp S SGS100A Performance Test Test Procedures 1 4 6 modulation 1 4 6 1 Input Impedance VSWR Test equipment See section Test Assembly for Output Impedance VSWR page 10 Test method Same as for the output impedance of the DUT Test setup Connect the test port of the VSWR bridge to the or Q input instead of the RF output Measurement Settings on DUT F
103. has to be set to the lowest level before switching the step attenuator Measurement Settings on DUT equipped with Step Attenuator Option frequency test frequency Level 12 dBm determine Att fixed range upper Level Pupper gt RF Level Att fixed range gt upper ATT MODE fixed set level to Pupper 7 dB Settings on DUT without Step Attenuator Option frequency test frequency Level 12 dBm Settings on analyzer center test frequency reference level DUT Level 1 dB Attenuator DUT Level Piggy 5 dB gt round to next larger available Attenuation of the analyzer Piggy analyzer P1dB level at test frequency span 110 kHz Detector RMS Sweep Time Manual 1s switch on channel power measurement with 100 kHz bandwidth Determine the channel power with the center frequency of the analyzer set to the test frequency and note it down as Pes Increase the analyzer center frequency by 9 9 MHz for carrier frequencies up to 6 GHz and by 29 9 MHz for carrier frequencies 6 GHz to 12 75 GHz gt Inhibit the switching of the attenuator with AMPT RF ATTEN MANUAL without entering a value so that the input mixer is not overdriven Lower the reference level of the analyzer by 20 dB read the new channel power Proise Minimize the output level on the DUT by means of RF OFF read the channel power Pres Service Manual 1173 9111 02 06 23 R amp S SGS100A Performance Test
104. he rear panel is programmed as trigger pulse output The analyzer is triggered by the signal generated on the DUT trigger output At switch over from start to stop level the settling procedure is displayed on the screen of the analyzer Preparation of measurement Measurement Synchronize the reference frequencies of the DUT and the analyzer Make LAN interface and RF connections Connect the spectrum analyzer trigger input to the DUT trigger output Setting on DUT CONNector TRIGger OMODe MLATency Frequency test frequency Level start level Settings on spectrum analyzer REFERENCE LEVEL target level 4 3 dB AMPLITUDE LOG RANGE 10 dB RESOLUTION BANDWIDTH 200 kHz VIDEO BANDWIDTH 2 MHz SPAN 0 Hz SWEEP TIME 1 s 2 ms TRIGGER EXTERN External triggering by positive edge at 1 4 V Send the stop level from the controller to the DUT by using the command TEST SPEED Test frequency Stop level gt The externally triggered analyzer displays the settling curve The setting time is defined as the time from which on the level deviation from the final level 1 second after switch over is less than the specified deviation in the data sheet Measure the following steps with Level Characteristic Auto ALC state Table amp On Measure the following steps with ALC state On Measure the following steps with IQ Modulation switched on 1 Q Settings menu State On 1 Q Wideband On ALC state Tab
105. he product documentation in a safe place and pass them on to the subsequent users Observing the safety instructions will help prevent personal injury or damage of any kind caused by dangerous situations Therefore carefully read through and adhere to the following safety instructions before and when using the product It is also absolutely essential to observe the additional safety instructions on personal safety for example that appear in relevant parts of the product documentation In these safety instructions the word product refers to all merchandise sold and distributed by the Rohde amp Schwarz group of companies including instruments systems and all accessories For product specific information see the data sheet and the product documentation Safety labels on products The following safety labels are used on products to warn against risks and dangers Symbol Meaning Symbol Meaning Notice general danger location ON OFF Power Observe product documentation P Caution when handling heavy equipment D Standby indication Danger of electric shock Direct current DC gt 1171 0000 42 08 Page 1 Basic Safety Instructions To identify any terminal which is intended for connection to an external conductor for protection against electric shock in case of a fault or the terminal of a protective earth Symbol Meaning Symbol Meaning d Caution Hot surface Paw Alternating cu
106. hese disturbances Class B equipment Equipment suitable for use in residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Repair and service 1 The product may be opened only by authorized specially trained personnel Before any work is performed on the product or before the product is opened it must be disconnected from the AC supply network Otherwise personnel will be exposed to the risk of an electric shock 1171 0000 42 08 Page 5 Basic Safety Instructions Adjustments replacement of parts maintenance and repair may be performed only by electrical experts authorized by Rohde amp Schwarz Only original parts may be used for replacing parts relevant to safety e g power switches power transformers fuses A safety test must always be performed after parts relevant to safety have been replaced visual inspection protective conductor test insulation resistance measurement leakage current measurement functional test This helps ensure the continued safety of the product Batteries and rechargeable batteries cells If the information regarding batteries and rechargeable batteries cells is not observed either at all or to the extent necessary product users may be exposed to the risk of explosions fire and or serious personal injury and in some cases death Batteries and rechargeable batteries with alkaline electrolytes e g lithium cells
107. ible replace Controller Board e Error boot process step 4 not reached Action Try different remote control port USB Ethernet PCI Express Keyboard and LED Test Possible error causes and further steps If only one port is not working check your cabling and look out for LAN related problems If no other reason is found replace Controller Board e This utility allows you to check for proper operation of all front panel elements Normal action Test called by SGMA GUI with Diagnostic Test Other Tests Keyboard Test On or by remote command TEST KEYBoard STATe ON All LEDs except the Power Standby indicator change to orange Pressing the keys in the order RF ON LAN ID changes the color of all LEDs except the Power Standby indicator simultaneously to Red Off Green Exit the test mode by SGMA GUI with Diagnostic Test Other Tests Keyboard Test Off or by remote command TEST KEYBoard STATe OFF Error possible causes and corrective action If the LEDs except the Power Standby indicator do not light in orange color the front panel is defective Change the front panel If the color does not change according to the description a malfunction has occurred If the color remains unchanged after actuation the key is defective In either case Change the front panel Note The test can not output internally generated pass fail information The user must decide whether a
108. ine or in the product itself is not permitted Doing so can result in the danger of an electric shock from the product If extension cords or connector strips are implemented they must be checked on a regular basis to ensure that they are safe to use 4 Ifthere is no power switch for disconnecting the product from the mains or if the power switch is not suitable for this purpose use the plug of the connecting cable to disconnect the product from the mains In such cases always ensure that the power plug is easily reachable and accessible at all times For example if the power plug is the disconnecting device the length of the connecting cable must not exceed 3 m Functional or electronic switches are not suitable for providing disconnection from the AC supply network If products without power switches are integrated into racks or systems the disconnecting device must be provided at the system level 5 Never use the product if the power cable is damaged Check the power cables on a regular basis to ensure that they are in proper operating condition By taking appropriate safety measures and carefully laying the power cable ensure that the cable cannot be damaged and that no one can be hurt by for example tripping over the cable or suffering an electric shock 1171 0000 42 08 Page 3 Basic Safety Instructions The product may be operated only from TN TT supply networks fuse protected with max 16 A higher fuse only after consulting with
109. ion incorporates a frequency doubler from 3 25 GHz 6 375 GHz to 6 5 GHz 12 75 GHz and means for level control and amplification for the frequency range from 6 GHz 12 75 GHz Frequency doubler and RF chain are connected to the RF Mainboard such that the frequency range of the combination extends to 12 75 GHz in CW mode as well as in vector modulated mode The doubler board includes an Eeprom to store specific data a temperature sensor and a diagnosis system Control and power supply is provided by the RF Mainboard 3 1 4 2 Doubler Board diagram The following diagram shows the two separated RF paths of the Doubler Board consisting of a doubler path and a RF chain X407 X408 m ASD rm X409 X410 AMP12 IN gt AMP12 OUT Power supply and control functions X405 Figure 3 1 Doubler Board diagram R amp S SGS100A Repair Functional Description 3 1 5 Step Attenuator 3 1 5 1 Step Attenuator architecture The dynamic range of output power from the RF Mainboard is limited due to several technical restrictions To achieve very high and extremely low output levels an attenuator with high dynamic range is required at the output of the instrument The attenuation can be switched in 6 dB steps from 114 dB to 0 dB nominal To overcome the attenuator loss an amplifier in the attenuator module output stage can be activated The module includes an Eeprom to store specific data a temperature sensor and a diagnosis system Con
110. jo de bater as y acumuladores con electrolitos alcalinos p ej celdas de litio debe seguir el est ndar EN 62133 1 2 No deben desmontarse abrirse ni triturarse las celdas Las celdas o bater as no deben someterse a calor 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 Las celdas o bater as no deben cortocircuitarse Es peligroso almacenar las celdas o bater as en estuches o cajones en cuyo interior puedan cortocircuitarse por contacto rec proco o por contacto con otros materiales conductores No deben extraerse las celdas o bater as de sus embalajes originales hasta el momento en que vayan a utilizarse Las celdas o bater as no deben someterse a impactos mec nicos fuertes indebidos En caso de falta de estanqueidad de una celda el l quido vertido no debe entrar en contacto con la piel ni los ojos Si se produce contacto lavar con agua abundante la zona afectada y avisar a un m dico En caso de cambio o recarga inadecuados las celdas o bater as que contienen electrolitos alcalinos p ej las celdas de litio pueden explotar Para garantizar la seguridad del producto las celdas o bater as solo deben ser sustituidas por el tipo Rohde amp Schwarz correspondiente ver lista de recambios Las bater as y celdas deben reciclarse y no deben tirarse a la basura dom stica Las bater as o
111. l mar Se aplicar una tolerancia de 10 96 sobre el voltaje nominal y de 5 96 sobre la frecuencia nominal Categor a de sobrecarga el ctrica 2 ndice de suciedad 2 No sit e el producto encima de superficies veh culos estantes o mesas que por sus caracter sticas de peso o de estabilidad no sean aptos para l Siga siempre las instrucciones de instalaci n del fabricante cuando instale y asegure el producto en objetos o estructuras p ej paredes y estantes Si se realiza la instalaci n de modo distinto al indicado en la documentaci n del producto se pueden causar lesiones o en determinadas circunstancias incluso la muerte No ponga el producto sobre aparatos que generen calor p ej radiadores o calefactores La temperatura ambiente no debe superar la temperatura m xima especificada en la documentaci n del producto o en la hoja de datos En caso de sobrecalentamiento del producto pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte Seguridad el ctrica Si no se siguen o se siguen de modo insuficiente las indicaciones del fabricante en cuanto a seguridad el ctrica pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte 1 Antes de la puesta en marcha del producto se deber comprobar siempre que la tensi n preseleccionada en el producto coincida con la de la red de alimentaci n el ctrica Si es necesario modificar
112. le amp On and supply 0 5 V DC to the lex Input Service Manual 1173 9111 02 06 33 Test Procedures Recommended test Frequencies 1 MHz 30 MHz 375 MHz 1 1 GHz 2 2 GHz frequencies and levels 3 2 GHz 6 GHz 7 5 GHz 10 GHz 12 75 GHz Stop eve 10 dBm 15 dBm 15 dBm 10 dBm 120 dBm 15 dBm Only for instruments 35 dBm 5 dBm equipped with option R amp S SGS100A Performance Test Test Procedures 1 4 5 Pulse Modulation Option R amp S SGS K22 1 4 5 1 ON OFF Ratio Test equipment RF analyzer Pulse generator Test setup To determine the ON OFF ratio connect the RF analyzer to the RF output and leave the TRIG connector of the DUT unconnected Measurement gt Setting on DUT RF On Level 0 dBm Frequency recommended test frequencies Pulse Modulation menu Source External State On Polarity Inverse gt Setting on Analyzer FREQ CENTER test frequency SPAN 0 Hz AMPT REF LEVEL 0 dBm BW gt RES BW MANUAL 3 kHz SWEEP gt SWEEP TIME MANUAL 100 ms MEAS gt TIME DOM POWER on Determine the output level of the DUT at the recommended test frequencies with Pulse Modulation gt Polarity Inverse and Pulse Modulation gt Polarity Normal gt The level difference between the output level with Polarity Inverse and Polarity Normal is the ON OFF ratio Recommended test 20 MHz 80 MHz 200 MHz to Fmax in steps of 100 MHz frequencies Recommended test level gt Instruments equipped with Option R amp S
113. malfunction has occurred Service Manual 1173 9111 02 06 64 R amp S SGS100A Repair Troubleshooting 3 2 4 USB Cable Test USB cables of good quality are required for EMI suppression and stable connections However according to our experience USB cables are of varying and often poor quality This concerns the connection between the cable shield and the shield contacts of the connectors Cables of poor quality may cause EMI interference and poor connection quality EMI interference among other things may ultimately lead to measurement errors Poor connection quality may create problems like increased latencies that are due to retransmissions because of data corruption or may even lead to a complete loss of data connection Therefore we recommend checking every USB cable using the following easy method Measure the electrical resistance from the shield contact of one connector to the shield contact of the other connector For correct measurement results consider the contact resistance at your probe tips Good cables have a value of less than 0 6 Q according to USB standards Also check whether the resistance is stable when you bend the cable smiemig Service Manual 1173 9111 02 06 65 Troubleshooting 3 2 5 Troubleshooting with Internal Selftest The internal self test checks the instrument by setting different internal states and measuring internal diagnostic points Exe
114. ment 47 Procedures after Module Replacement 2 47 Restore Ethernet MAC 0 2 0 44 nnne nennen sens nitentes 48 Adding Hardware 48 Internal 00 50 External Adjustments Requiring Measurement Equipment 50 Adjustment of internal Reference Frequency 2 1 50 AdJ UStrierit uet ise epo meet iaa ri 51 Internal Self Test ico tete Dade Linh pa iat ied 51 Repaire a ee 52 Functional Description ee oe eed eee ee Gee 53 Power Supply 0 nins nnn enter nenn 53 eniclssrem ts 53 Switching reQulators nnns 53 eehuGllIe 53 FPGA SIGMA COM 53 Diagnostic 2 4440 53 EEPROM 53 Temperature sensor nee E 54 RF MANDON ia C A A 54 Plock CA AIM Mg tia 54 Service Manual 1173 9111 02 06 4 R amp S SGS100A Table of Contents 3 1 3 2 3 1 3 3 3 1 3 4 3 1 3 5 3 1 3 6 3 1 3 7 3 1 3 8 3 1 3 9 3 1 3 10 3 1 4 3 1 4 1 3 1 4 2 3 1 5 3 1 5 1 3 1 5 2 3 1 5 3 3 1
115. minaci n protecci n del medio ambiente punto 1 1171 0000 42 08 Page 8 Instrucciones de seguridad elementales S mbolo Significado S mbolo Significado Aviso Cuidado en el manejo de dispositivos Distintivo de la UE para la eliminaci n por sensibles a la electrost tica ESD separado de dispositivos el ctricos y electr nicos M s informaci n en la secci n Eliminaci n protecci n del medio ambiente punto 2 Advertencia rayo l ser M s informaci n en la secci n Funcionamiento punto 7 Palabras de se al y su significado En la documentaci n del producto se utilizan las siguientes palabras de sefial con el fin de advertir contra riesgos y peligros PELIGRO Indica una situaci n de peligro que si no se evita causa lesiones graves o incluso la muerte Indica una situaci n de peligro que si no se evita puede causar lesiones graves o incluso la muerte lesiones leves o moderadas Indica informaci n que se considera importante pero no en relaci n con situaciones de peligro p ej avisos sobre posibles da os materiales En la documentaci n del producto se emplea de forma sin nima el t rmino CUIDADO A ATENCI N Indica una situaci n de peligro que si no se evita puede causar Las palabras de se al corresponden a la definici n habitual para aplicaciones civiles en el rea econ mica europea Pueden existir definiciones diferentes a esta
116. mp S SGS100A Repair Functional Description 3 1 3 2 Implemented functions Reference crystal oscillator and reference frequency switch Synthesizer DDS module Vector modulator Option Phase coherent input output Option Harmonics filter HF amplifiers Pulse modulator Option Level control Diagnostics Power supply for optional RF modules Control interface for optional RF modules 3 1 3 3 Internal and external reference The instrument reference frequency is determined either by the signal supplied by the built in 10 MHz or 10 MHz OCXO A600 OCXO Board or by an external reference signal that is fed to the input X201 REF LO IN The external reference frequency can be set to 10 MHz 100 MHz 1000 MHz The output X202 REF LO OUT provides a buffered reference frequency signal which has been derived from the active reference source In internal reference mode the frequency of the TCXO OCXO can be adjusted by a DAC 3 1 3 4 Main 1000 MHz oscillator A built in 1000 MHz Oscillator delivers the internal reference signal for the DDS based Synthesizer This source is synchronized to the selected reference signal internal TCXO OCXO or external applied signal with a PLL When using an external 1000 MHz reference signal the internal 1000 MHz source is switched off 3 1 3 5 RF Synthesizer DDS module The 1000 MHz signal of the main oscillator provides the system clock for the DDS module The RF output signal in the f
117. nboard R amp S SGS100A Repair Troubleshooting 3 2 Troubleshooting The purpose of these troubleshooting instructions is to help to trace down malfunctions to board level The instrument can thus be made ready for use again by means of board replacement If error tracing doesn t show clear results we recommend that you ship your instrument to our experts in the service centers see address list for module replacement and further error elimination Some module replacements involve calibration procedures requiring calibrated equipment and appropriate software DANGER Danger of shock hazard For module replacement ensure that the instrument is switched off and disconnected from the power supply by removing the plug from the AC and DC power connector Read all safety instructions at the beginning of this manual carefully before module replacement NOTICE Risk of damage to the boards Be careful not to cause short circuits when measuring voltages at pins placed close together The following utilities are provided in the signal generator for easy diagnosis and can be controlled by the R amp S SGMA GUI software Internal self test Internal diagnosis test points Internal adjustments Info line with error messages and history of messages displayed in R amp S SGMA GUI software Note When problems occur first check whether any connections cables plug in connections of boards etc are damaged or wrongly connected Servi
118. o de un accidente lesiones u otra clase de da os Eliminaci n protecci n del medio ambiente 1 Los dispositivos marcados contienen una bater a o un acumulador que no se debe desechar con los residuos dom sticos sin clasificar sino que debe ser recogido por separado La eliminaci n se debe efectuar exclusivamente a trav s de un punto de recogida apropiado o del servicio de atenci n al cliente de Rohde amp Schwarz Los dispositivos el ctricos usados no se deben desechar con los residuos dom sticos sin clasificar sino que deben ser recogidos por separado Rohde amp Schwarz GmbH amp Co KG ha elaborado un concepto de eliminaci n de residuos y asume plenamente los deberes de recogida y eliminaci n para los fabricantes dentro de la UE Para desechar el producto de manera respetuosa con el medio ambiente dir jase a su servicio de atenci n al cliente de Rohde amp Schwarz Si se trabaja de manera mec nica y o t rmica cualquier producto o componente m s all del funcionamiento previsto pueden liberarse sustancias peligrosas polvos con contenido de metales pesados como p ej plomo berilio o n quel Por eso el producto solo debe ser desmontado por personal especializado con formaci n adecuada Un desmontaje inadecuado puede ocasionar da os para la salud Se deben tener en cuenta las directivas nacionales referentes a la eliminaci n de residuos En caso de que durante el trato del producto se formen sustancias peligrosa
119. odulator item 19 RF analyzer 8 1 MHz to RFmax 2 R amp S FSQ26 with options 1155 5001 26 Demodulator R amp S FSU B25 1044 9298 02 for analog R amp S FSQ K7 1141 1796 02 modulations amp FM demodulator Software for Generation of data for R amp S WinIQSIM simulation of ARB generator digital modulations Service Manual 1173 9111 02 06 9 R amp S SGS100A Lowpass filter 2 pieces required PCle cable Performance Test Test Assemblies Lowpass filter 2 5 MHz to remove WCDMA l Q BB test signal noise Passband loss 0 5 dB for 0 2 MHz Stopband loss gt 15 dB for f gt 3 MHz Linearity IP3 gt 50 dBm PCle extension cable with One Stop Systems single lane connectors OSS PCle CBL x1 length max 5 m or equivalent 1 2 Test Assemblies 1 2 1 Test Assembly for Output Impedance VSWR Test equipment Test setup VSWR bridge item 10 Signal generator item 5 RF analyzer item 19 Directional coupler 6dB OUTPUT COUPLED gt INPUT O 10 MHz Ref Note The INPUT of the directional coupler is directly screwed to the DUT The second signal generator is connected to the line connector OUTPUT the analyzer to the coupling output COUPLED of the directional coupler
120. ollowing procedure e Connect the DUT to a PC via USB Avoid using a LAN connection because the instrument hostname has changed after replacing the Controller Board In addition the network IP Address may change after the reboot step if it is set to Auto DHCP e Start the instrument and open a remote control connection e Send the command DIAGnostic PRODuct MACaddress RESTore SIM e Reboot the DUT and connect with SGMA GUI e Check the MAC Address under Setup gt Network Settings e Compare the MAC Address to the 12 digit hex number printed on the label on the bottom side of the DUT 2 2 Adding Hardware Options This chapter describes the necessary measures to obtain the extended performance of the R amp S SGS100A after installing an additional Hardware Option Service Manual 1173 9111 02 06 48 R amp S SGS100A Adjustment Adding Hardware Options Following Hardware Modules are available R amp S SGS B1 R amp S SGS B26 Step Attenuator R amp S SGS B112 Frequency extension CW 12 75 GHz Only fits to instruments equipped with R amp S SGS B106 e R amp S SGS B112V Frequency extension IQ 12 75 GHz Only fits to instruments equipped with R amp S SGS B106V with RF Mainboard revision number greater or equal to 6 09 Note Instruments with serial numbers lower than 101600 can not be upgraded with the R amp S SGS B112V option due to the installed RF Mainboard version First install the respective Hardware mo
121. on noise dB lower SSB noise as DUT or measurements Frequency range up to RFmax R amp S SMF100A 1158 2878 only for f 2 1000 MHz or 1167 0000 02 R amp S SMA100A with option R amp S SMA B106 1400 0000K02 and option R amp S SMA B22 1405 0809 02 only for f x 6000 MHz 1405 1805 02 X m Service Manual 1173 9111 02 06 8 R amp S SGS100A Performance Test 4 Controller Industry standard PC XT AT with IEC 60625 interface and USB interface and LAN interface and optional PCI Express interface 1 MHz to RFmax R amp S SMB100A with 1406 6000K03 adequate frequency option or Test Equipment R amp S SMF100A 1167 0000K02 with option R amp S SMF B2 1167 4005 02 Phase noise Phase Noise Test Set R amp S FSUP 26 or 1166 3505 27 test assembly R amp S FSUP 50 1166 3505 51 7 Oscilloscope Bandwidth 2 500 MHz R amp S RTM1052 or similar 1305 0008 52 two channels with DC coupling RF power 1 MHz to RFmax R amp S NRP with 1143 8500 02 meter R amp S NRP Z55 or 1138 2008 02 R amp S NRP Z51 1138 0005 0x Mixer 10 MHz to RFmax IF down to DC 10 VSWRbridge 1 MHz to RFmax f 4 GHz R amp S ZRC 1039 9492 55 directivity gt 30 dB 3 GHz f 12 75 GHz Agilent 773D 14 Arbitrary wave two channels R amp S SMBV 1407 6004K02 generator R amp S SMU 1141 2005 02 15 AC DC 10 Hz to 10 MHz R amp S URE3 350 5315 03 voltmeter Broadband FM included in RF analyzer dem
122. ooting with Internal 44 66 Troubleshooting with Internal 2 67 Instrument zb c 68 MULIER 74 Troubleshooting RF Mainboard essen 76 Internal Adjustment Adjust 76 S pply Voltages p Naa 77 Input and Output nnt 78 Error Messages Concerning the RF 80 Service Manual 1173 9111 02 06 5 R amp S SGS100A Table of Contents 3 2 8 5 Warnings Concerning the RF 80 3 2 8 6 Frequency igo S 81 3 2 9 Troubleshooting Reference Oscillator option R amp S 595 1 81 3 2 9 1 Input and Output Signals sn ei 81 3 2 9 2 Error Messages Concerning the Reference Oscillator 83 3 2 9 3 Frequency Error Reference Oscillator 84 3 2 10 Troubleshooting Active Step Attenuator 84 3 2 10 1 Supply Voltages 2 2 A a 84 3 2 11 Troubleshooting Doubler Board option R amp S 09 112 112 86 3 2 11 1 Supply Voltages 86 3 2 11 2 Input and Output Signals ee ee adidas 87 3 3 Module Replacement and Upgrade
123. operativos y posiciones de funcionamiento punto 1 Por eso es necesario tomar las medidas necesarias para evitar la entrada de l quidos En caso contrario existe peligro de choque el ctrico para el usuario o de da os en el producto que tambi n pueden redundar en peligro para las personas No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de ste como p ej al desplazarlo de un lugar fr o a otro caliente La entrada de agua aumenta el riesgo de choque el ctrico Antes de la limpieza desconecte por completo el producto de la alimentaci n de tensi n p ej red de alimentaci n o bater a Realice la limpieza de los aparatos con un pafio suave que no se deshilache No utilice bajo ning n concepto productos de limpieza qu micos como alcohol acetona o diluyentes para lacas nitrocelul sicas 1171 0000 42 08 Page 11 Instrucciones de seguridad elementales Funcionamiento 1 El uso del producto requiere instrucciones especiales y una alta concentraci n durante el manejo Debe asegurarse que las personas que manejen el producto est n a la altura de los requerimientos necesarios en cuanto a aptitudes f sicas ps quicas y emocionales ya que de otra manera no se pueden excluir lesiones o dafios de objetos El empresario u operador es responsable de seleccionar el personal usuario apto para el manejo del producto Antes de despla
124. ory 2 pollution degree 2 2 Do not place the product on surfaces vehicles cabinets or tables that for reasons of weight or stability are unsuitable for this purpose Always follow the manufacturer s installation instructions when installing the product and fastening it to objects or structures e g walls and shelves An installation that is not carried out as described in the product documentation could result in personal injury or even death 3 Do not place the product on heat generating devices such as radiators or fan heaters The ambient temperature must not exceed the maximum temperature specified in the product documentation or in the data sheet Product overheating can cause electric shock fire and or serious personal injury or even death Electrical safety If the information on electrical safety 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 voltage setting on the product matches the nominal voltage of the mains supply network If a different voltage is to be set the power fuse of the product may have to be changed accordingly 2 Inthe case of products of safety class with movable power cord and connector operation is permitted only on sockets with a protective conductor contact and protective conductor 3 Intentionally breaking the protective conductor either in the feed l
125. quipment 1 Performance Test Test Instructions To ensure that rated specifications are maintained the following preparations must be made prior to checking the rated characteristics e Check the instrument condition Make sure the instrument fan operation is not constrained by dust etc The fan can be inspected through the air intake at the case bottom side Allow for a minimum warm up time of 30 minutes at ambient temperature Carry out all internal adjustments The values are specified in the data sheet Additional uncertainties introduced by the measurement equipment must be taken into account when checking the rated values This performance test describes the steps for testing the R amp S SGS100A Signal Generator family and the installed options with respect to function and compliance with specifications In the following the term DUT Device Under Test is used for any signal generator of this family The tests to be performed depend on the installed options The values are given in the data sheet of the respective instrument 1 1 Test Equipment Table 1 1 Measuring equipment and accessories Item Type of Recommended Recommended model R amp S Order No equipment characteristics or features Frequency 1 Hz to RFmax counter resolution 0 1 Hz included in RF analyzer item 19 Reference Identical generator as DUT R amp S SGS100A with 1416 0505 02 source for SSB or generator with at least 10 adequate frequency opti
126. r en cuenta las instrucciones del fabricante queda en la responsabilidad del usuario El fabricante no se hace en ninguna forma responsable de consecuencias a causa del mal uso del producto 1171 0000 42 08 Page 7 Instrucciones de seguridad elementales Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentaci n del producto y dentro del margen de rendimiento definido ver hoja de datos documentaci n informaciones de seguridad que siguen El uso del producto hace necesarios conocimientos t cnicos y ciertos conocimientos del idioma ingl s Por eso se debe tener en cuenta que el producto solo pueda ser operado por personal especializado o personas instruidas en profundidad con las capacidades correspondientes Si fuera necesaria indumentaria de seguridad para el uso de productos de Rohde amp Schwarz encontrar a la informaci n debida en la documentaci n del producto en el cap tulo correspondiente Guarde bien las informaciones de seguridad elementales as como la documentaci n del producto y entr guelas a usuarios posteriores Tener en cuenta las informaciones de seguridad sirve para evitar en lo posible lesiones o dafios por peligros de toda clase Por eso es imprescindible leer detalladamente y comprender por completo las siguientes informaciones de seguridad antes de usar el producto y respetarlas durante el uso del producto Deber n t
127. rd A300 150 and click it carefully into the five holders holders 3 Install the Front Unit 4 Install the EMC panel 5 Install the case 3 3 11 Replacing the Fan E1 Note Always make sure the instrument fan operation is not constrained by dust etc The fan can be inspected through the air intake at the case bottom side 1 Switch off the instrument and disconnect the main plug Remove the case see page 89 Remove the EMC panel see page 91 Remove the Front Unit see page 100 BR Disconnect the fan cable from X240 on the RF Mainboard 1010 or 1020 Service Manual 1173 9111 02 06 103 Module Replacement and Upgrade Fan cable rubber clips 7 Forinstalling the new fan proceed in the reverse order 3 3 12 Replacing the OCXO Board R amp S SGS B1 3 3 12 1 Removing the OCXO Board 1 Switch off the instrument and disconnect the main plug Remove the case see page 89 Remove the EMC panel see page 91 BP m Unfasten the two combination screws 1830 and carefully remove the OCXO board 1810 from the RF Mainboard 1010 1020 R amp S SGS100A Repair Module Replacement and Upgrade EI RI 3 3 12 2 Installing the OCXO Board 1 Switch off the instrument and disconnect the main plug Remove the case see page 89 Remove the EMC panel see page 91 Carefully place the OCXO Board 1810 on the RF Mainboard 1010 1020 and fasten it with two combinations scre
128. requency 900 MHz RF on Level 0 dBm PEP 1 Q Settings menu State On 1 Q Wideband On gt Settings on signal generator Level 10 dBm Frequency test frequencies Let the measuring port of the VSWR bridge unconnected and measure the level as reference level Connect the VSWR bridge to the input and measure the level Calculate the VSWR VSWR LET MEME Bag 1 JF I Pig Repeat the measurement for the Q input Recommended test 1 MHz 10 MHz 20 MHz 40 MHz 60 MHz 80 MHz 100 MHz frequencies 150 MHz to 500 MHz in steps of 50 MHz Service Manual 1173 9111 02 06 39 R amp S SGS100A Performance Test Test Procedures 1 4 6 2 Error Vector Test assembly See section Test Assembly for Q Modulation page 11 Measurement Instead of a static measurement an equivalent dynamic measurement with a low symbol rate is carried out Settings on DUT RF On Level 0 dBm PEP 1 Q Settings menu State On 1 Q Wideband Off gt Generate a modulation signal on the ARB generator using the controller and the simulation program Modulation 16QAM No coding SQR COS filter with a 0 5 PRBS 9 data sequence Pulse width and over sampling 32 Length 100 symbols Symbol clock 10 kHz gt Check if the channels on the ARB generator are equal and adjust if necessary gt Make the corresponding settings on the demodulator Result length 80 symbols Measure the error vector magnitude peak and rms at the r
129. requency range from 1 MHz to 80 MHz is generated directly by the DDS The analog RF signal is then low pass filtered amplified and fed to the module RF output For RF output frequencies above 80 MHz the DDS generates a signal with high resolution which is applied as reference signal to the main PLL of the RF frequency synthesizer In the synthesizer a VCO is locked to the reference frequency using a fractional n PLL The VCO output signal is then fed to fixed frequency dividers which are set to appropriate divider ratios to generate the RF signal from 80 MHz to 6 5 GHz The synthesizer signal can also be fed into the optional doubler board to extend the synthesis output frequency range up to 12 75 GHz The synthesis signal can also be switched to the REF LO OUT connector in phase coherent LO operation mode Service Manual 1173 9111 02 06 55 R amp S SGS100A Repair Functional Description 3 1 3 6 Vector modulator The synthesizer doubler board signal can be routed directly to the following RF chain or the optional vector modulator which can multiply the signal by the external analog signals The vector modulator LO signal can also be taken from the REF LO IN connector in phase coherent LO operation mode 3 1 3 7 Harmonics filters The output signal of the frequency dividers is a square wave signal To reach the guaranteed harmonic performance see datasheet the harmonics of the RF signal have to be suppressed Due to the wide RF fr
130. rrent AC Protective conductor terminal Direct alternating current DC AC Earth Ground Class Equipment to identify equipment meeting the safety requirements specified for Class equipment device protected by double or reinforced insulation Frame or chassis Ground terminal EU labeling for batteries and accumulators For additional information see section Waste disposal Environmental protection item 1 Be careful when handling electrostatic sensitive devices EU labeling for separate collection of electrical and electronic devices For additional information see section Waste disposal Environmental protection item 2 Warning Laser radiation For additional information see section Operation 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 serious injury serious injury moderate injury Indicates a hazardous situation which if not avoided will result in death or Indicates a hazardous situation which if not avoided could result in death or Indicates a hazardous situation which if not avoided could result in minor or Indicates information considered important but not hazard related e g messages relating to property damage In the product documentation the word ATTENTION is used synonymously These signal words are in accordance with
131. rsatzteil BA VH ItemNo Quantity Unit Ref Des Designation Stock No Subst part VS 6900 ISR M2 5X6 A2 1148 3059 00 COMBI SCREW 6900 ISR M2 5X6 A2 VS HVC ISR M2 5X12 A2 1096 5205 00 COMBI SCREW HVC ISR M2 5X12 A2 MZ EMV HAUBE 1416 0886 00 EMV PANEL VS 965 ISR M2 5X5 A4 PA 1148 2752 00 965 ISR M2 5X5 A4 PA HS FIRMWARE SGS100A 1416 0534 00 FIRMWARE SGS100A OS CSA SCHILD INKL KCC F KOREA 1416 0605 00 CSA LABEL INCL KCC FOR KOREA ZN BW2010 1E 1 2 T350 ABD UNTEN 1416 0911 00 PERF BW2010 1E 1 2 T350 COVER LOWER entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 KN BW2010 GERAETEFUSS 12MM KOMPL 1174 2227 00 BW2010 FOOT 12MM COMPL entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 MZ BW2010 1E 1 2 T350 ABDECKUNG 1174 0082 00 OBEN BW2010 1E 1 2 T350 COVER entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 MZ BW2010 1E T350 SEITENTEIL LINKS 1174 1172 00 BW2010 1U D350 SIDE PANEL LEFT entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 KN BW2010 1E RUECKWANDFUSS KOMPL Z 1174 0024 00 BW2010 1HU REAR FOOT COMPL entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 KN BW2010 HALTER FUSS 1174 0353 00 BW2010 HOLDER BASE entf llt in Kombination mit SGS B98 not applicable in combination with SGS B98 VS SCHR M4X10 ISR PA 3586 3313 00 SCREW
132. s First measure the level of the fundamental P at the test frequency f as a reference Then measure the signal levels P and Pz at twice and three times the carrier frequency f gt The harmonic spacing is the measured harmonic level referred to the fundamental HD2 P Por P in dBc referred to the carrier Recommended test Test frequencies frequencies and levels 1 MHz 5 001 MHz 10 01 MHz 20 01 MHz 40 01 MHz 60 01 MHz 80 MHz 80 01 MHz 93 75 MHz 93 76 MHz 120 MHz 187 5 MHz 187 6 MHz 265 MHz 375 MHz 375 1 MHz 530 MHz 750 MHz 750 1 MHz 1060 MHz 1500 MHz 1501 MHz 2120 MHz 3000 MHz 3001 MHz 3500 MHz 4000 MHz 5100 MHz 6 GHz 6001 MHz 6500 MHz 6501 MHz 7200 MHz 7201 MHz 7300 MHz 7301 MHz 8100 MHz 8900 MHz 8901 MHz 9400 MHz 9401 MHz 9800 MHz 10700 MHz 10701 MHz 11700 MHz 12750 MHz Test level 8 dBm gt Repeat the measurement with IQ Modulation switched on Settings menu State On 1 Q Wideband Off and supply 0 5 V DC to the lex Input Test frequencies 80 MHz 80 01 MHz 93 75 MHz 93 76 MHz 120 MHz 187 5 MHz 187 6 MHz 265 MHz 375 MHz 375 1 MHz 530 MHz 750 MHz 750 1 MHz 1060 MHz 1500 MHz 1501 MHz 2120 MHz 3000 MHz 3001 MHz 3500 MHz 4000 MHz 5100 MHz 6 GHz 6001 MHz 6500 MHz 6501 MHz 7200 MHz 7201 MHz 7300 MHz 7301 MHz 8100 MHz 8900 MHz 8901 MHz 9400 MHz 9401 MHz 9800 MHz 10700 MHz 10701 MHz 11700 MHz 12750 MHz Test lev
133. s Adjust All Instrument Selftest Absolute Level Correction external Level uncertainty Attenuator Correction external Service Manual 1173 9111 02 06 47 R amp S SGS100A Adjustment Adding Hardware Options Changed module Required Recommended Test Procedure action adjustment correction refer to chapter 1 Performance Test Setup Internal Adjustments Adjust All Instrument Selftest Reference Frequency Internal Reference mode Power Supply Setup Internal Adjustments Adjust All Instrument Selftest Fan Nong Functional Test a panel unit Keyboard Test see chapter 3 2 3 Functional Test Cables W100 Setup Internal Adjustments Adjust All Level uncertainty W100A W110A Absolute Level Correction external Attenuator Correction external In case external adjustment is required contact your local Rohde amp Schwarz representative 2 1 4 Restore Ethernet MAC Adress Each SGS100A has a unique fixed MAC Adress to allow the identification in a Ethernet network The MAC Address is assigned during the instrument production process and must not be changed afterwards The SGS100A utilizes the MAC Address that is stored on the Controller Board A backup of the MAC Address number is stored on the SIM Card When replacing a Controller Board the SIM Card has to be transferred to the new Controller Board and the MAC Address number has to be copied from the SIM Card to the new Controller Board using the f
134. s o combustibles que deban tratarse como residuos especiales p ej refrigerantes o aceites de motor con intervalos de cambio definidos deben tenerse en cuenta las indicaciones de seguridad del fabricante de dichas sustancias y las normas regionales de eliminaci n de residuos Tenga en cuenta tambi n en caso necesario las indicaciones de seguridad especiales contenidas en la documentaci n del producto La eliminaci n incorrecta de sustancias peligrosas o combustibles puede causar da os a la salud o dafios al medio ambiente Se puede encontrar m s informaci n sobre la protecci n del medio ambiente en la p gina web de Rohde amp Schwarz 1171 0000 42 08 Page 14 Instructions Instrucciones Instructions for Electrostatic Discharge Protection Risk of damaging electronic components To avoid damage of electronic components the operational site must be protected against electrostatic discharge ESD 7 Wrist strap with cord Floor mat Heel stra Ground connection of operational site The following two methods of ESD protection may be used together or separately e Wrist strap with cord to ground connection e Conductive floor mat and heel strap combination 1171 0300 62 E Esp 3 Instructions Instrucciones Instrucciones para la protecci n contra descargas electroest ticas Riesgo de aver a de los componentes electr nicos Para evitar aver as en los componentes electr nicos el rea de trabajo tiene
135. setup hardware config should be the entry OCXO At pin G1 1 the output signal of the reference oscillator can be measured 10 MHz 1 Vpp If you notice a different behaviour try a new tested OCXO board If this still does not work troubleshoot the RF Mainboard w t Service Manual 1173 9111 02 06 82 R amp S SGS100A Repair Troubleshooting G1 6 Enable X kl 10000007 D1 G1 1 10MHz 1Vpp Figure 3 6 Pin locations on OCXO 3 2 9 2 Error Messages Concerning the Reference Oscillator Module Error message Error correction gt Check the supply voltages of the module see section nput and Output Signals gt Ifthe supply voltages are o k and this message does not disappear after 10 minutes OCXO is defective Change the module gt Switch the R amp S SGS100A to external Reference and supply a 10 MHz 10 dBm signal to the Ref LO Input of the RF Mainboard If the error message disappears and the R amp S SGS100A is working correctly the OCXO is defective change the module Reference PLL unlocked OCXO cannot read EEPROM data OCXO cannot store adjustm data gt This indicates problems concerning the data transfer from and to the EEPROM of the module If changing the module does not help change the RF Mainboard Service Manual 1173 9111 02 06 83 R amp S SGS100A Repair Troubleshooting 3 2 9 3 Frequency Error Ref
136. st Synthesis If error message does not disappear check the diagnosis see section Troubleshooting with Internal Selftest on page 65 Synthesis adjustment data invalid gt Execute Internal Adjustment Adjust Synthesis gt Ifthe error message does not disappear check the diagnosis see section on page 65 3 2 8 5 Warnings Concerning the RF Mainboard Warnings Warning correction Pep value exceeds defined limit The peak envelope power PEP is higher than the set upper limit gt Reduce the output level Mw Service Manual 1173 9111 02 06 80 R amp S SGS100A Repair Troubleshooting 3 2 8 6 Frequency Error Error Error correction Internal reference frequency gt Check if the error message Reference PLL Frequency error greater than limit Unlocked appears see page 78 given in datasheet gt The frequency accuracy of the synthesizer is determined set to internal reference by a highly stable 10 MHz quartz oscillator that is set to a calibrated frequency standard at the R amp S factory This oscillator is subject to ageing and hence its output frequency can be adjusted see chapter 2 Adjustment of internal Reference Frequency Note The internal reference can be impaired under the menu Heference Oscillator Adjustment This setting does not affect the factory adjustment and
137. synthesizer is determined by a 10 MHz VTCXO or a highly stable OCXO Option R amp S SGS B1 The internal frequency source is set to a calibrated frequency standard at the R amp S factory This oscillator is subject to ageing and hence its output frequency can be adjusted TeEn Service Manual 1173 9111 02 06 50 R amp S SGS100A Adjustment Internal Self Test 2 5 1 Adjustment Important Allow the DUT to warm up for at least 20 minutes before adjustment is executed Test equipment External frequency counter 1 Hz to RFmax resolution 0 1 Hz Test setup gt Connect a calibrated external frequency counter to the reference output at the rear panel Adjustment gt Setting on DUT PRESET Setup Menu Protection Protection Level 2 147946 ENTER Setting on spectrum analyzer external frequency counter MKR SIGNAL COUNT MKR NEXT CNT RESOL 0 1 Hz Adjust the TCXO OCXO Calibration Value Reference Oscillator Adjustment DAC Value for an external frequency counter reading of 10 MHz with minimal error Setthe found value as TCXO OCXO Custom Calibration Value in the Service menu Service Ext Adjustment TCXO OCXO Adjustment Calibration Value Press Write Value to Eeprom to permanently save the calibration value 2 6 Internal Self Test After each module replacement it is recommend
138. t type for which the spare part is needed Instrument stock number Instrument serial number Contact person for possible questions Refurbished Modules Refurbished modules are an economical alternative to original modules Bear in mind that refurbished modules are not new but repaired and fully tested parts They may have traces from use but they are electrically and mechanically equivalent to new modules Your Rohde amp Schwarz representative will be happy to inform you 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 months following delivery A repurchasing value is credited Excluded are parts which cannot be repaired e g printed boards that are burnt broken or damaged by attempts to repair them incomplete modules and parts with severe mechanical damage Please return the defective replacement modules together with the accompanying document for returned merchandise which you received with the spare module We need the following information Stock number serial number and designation of the removed part Detailed error description Stock number serial number and type of instrument from which the module was removed Date of removal Name of the engineer technician who replaced the module R amp S ordering number Service reference number if available 1171 0200 61 02 R amp
139. ter 2 Waste electrical and electronic equipment must not be disposed of with unsorted municipal waste but must be collected separately Rohde amp Schwarz GmbH amp Co KG has developed a disposal concept and takes full responsibility for take back obligations and disposal obligations for manufacturers within the EU Contact your Rohde amp Schwarz customer service center for environmentally responsible disposal of the product 3 If products or their components are mechanically and or thermally processed in a manner that goes beyond their intended use hazardous substances heavy metal dust such as lead beryllium nickel may be released For this reason the product may only be disassembled by specially trained personnel Improper disassembly may be hazardous to your health National waste disposal regulations must be observed 4 f handling the product releases hazardous substances or fuels that must be disposed of in a special way e g coolants or engine oils that must be replenished regularly the safety instructions of the manufacturer of the hazardous substances or fuels and the applicable regional waste disposal regulations must be observed Also observe the relevant safety instructions in the product documentation The improper disposal of hazardous substances or fuels can cause health problems and lead to environmental damage For additional information about environmental protection visit the Rohde amp Schwarz website Instru
140. the products requires special training and intense concentration Make sure that persons who use the products are physically mentally and emotionally fit enough to do so otherwise injuries or material damage may occur It is the responsibility of the employer operator to select suitable personnel for operating the products 1171 0000 42 08 Page 4 Basic Safety Instructions 2 Before you move or transport the product read and observe the section titled Transport 3 As with all industrially manufactured goods the use of substances that induce an allergic reaction allergens such as nickel cannot be generally excluded If you develop an allergic reaction such as a skin rash frequent sneezing red eyes or respiratory difficulties when using a Rohde amp Schwarz product consult a physician immediately to determine the cause and to prevent health problems or stress 4 Before you start processing the product mechanically and or thermally or before you take it apart be sure to read and pay special attention to the section titled Waste disposal Environmental protection item 1 5 Depending on the function certain products such as RF radio equipment can produce an elevated level of electromagnetic radiation Considering that unborn babies require increased protection pregnant women must be protected by appropriate measures Persons with pacemakers may also be exposed to risks from electromagnetic radiation The employer operator must
141. tion Error select SGMA GUI main panel Instrument Name Setup Internal Adjustments Adjust All to trigger internal adjustment 6 Ifrequired install the new R amp S SGMA GUI For detailed description refer to the Getting Started guide section Installing the R amp S SGMA GUI Software on the External PC Service Manual 1173 9111 02 06 112 R amp S SGS100A Factory Recover and USB Install Module Replacement and Upgrade 5 Factory Recover and USB Install Hold down front panel buttons ID and LAN simultaneously while switching on the instrument to start factory recover or USB install On factory recover the instrument installs the firmware the instrument was originally shipped with This firmware resides in a special partition in the instrument s persistent memory It can be erased using function Erase factory recover partition on dialog Maintenance protection level 3 required Besides installing the original firmware factory recover also clears the internal memory restoring the instrument to its original state Instrument Sanitize function If a USB stick with a firmware package rsu file is found the firmware package on the USB stick is used instead of the contents of the recovery partition The progress of the installation procedure is signaled by a running light on the front panel When it is finished the lights stop and the LEDs now indicate the status All LEDs green success All LEDs red except one LED orang
142. trol and power supply is provided by the RF Mainboard 3 1 5 2 Step Attenuator diagram The following diagram shows the functional equivalent of the module X220 gt X221 RF D RF OUT Power supply and control functions X700 Control 3 1 5 3 Power Amplifiers To offer high output power levels despite of the insertion loss of the switching matrix there are two amplifiers which can be switched into the path at the output of the board The amplifiers are split into frequency bands There is one for the low frequencies from 1 MHz to 6 5 GHz and one for the range from 6 5 GHz to 12 75 GHz 3 1 5 4 Voltage Regulators and filtering There are two voltage regulators located at the board connector as the Step Attenuator is used in multiple instruments with different supply voltages On the board itself great efforts have been spent to effectively filter all control voltages to ensure the required dynamic range Service Manual 1173 9111 02 06 58 Functional Description 3 1 6 R amp S SGS B1 Reference Oscillator The option incorporates a highly stable 10 MHz OCXO When attached to the RF Mainboard the OCXO determines the reference frequency stability of the R amp S SGS100A synthesizer in internal reference mode The module includes an Eeprom to store specific information such as the frequency adjustment data The Reference Oscillator module is plugged directly onto the RF Mainboard Control and power supply is provided by the RF Mai
143. ure refer to chapter 1 Performance Test Step Attenuator Option Setup Internal Adjustments Adjust All Full performance Test SGS B26 Absolute Level Correction external Attenuator Correction external instrument without Doubler Option SGS B112 or SGS B112V Step Attenuator Option Setup Internal Adjustments Adjust All Full performance Test SGS B26 Absolute Level Correction external Attenuator Correction external instrument with Doubler Attenuator Switchover Correction Option SGS B112 external or SGS B112V In case external adjustment is required contact your local Rohde amp Schwarz representative After the external correction procedure reboot the instrument 2 3 Internal Adjustments All internal adjustments are available in the Setup Internal Adjustments menu see operating manual Performing Setup Internal Adjustments Adjust All activates all internal adjustments in a reasonable order 2 4 External Adjustments Requiring Measurement Equipment The external adjustments have to be performed if the recommended calibration interval is exhausted or RF modules or cables have been replaced The external adjustments require calibrated equipment and special software Data sheet specifications of the unit are concerned If required contact your local Rohde amp Schwarz representative 2 5 Adjustment of internal Reference Frequency When set to internal reference mode the frequency accuracy of the
144. vel unmodulated Vary the reference level to bring the line displayed on the screen of the spectrum analyzer approximately into the middle of the screen Measure the voltage of the signal Ve Unscrew the VSWR bridge from the DUT and let the test port open Increase the level of the second signal generator until the voltage on the analyzer is Ve 0 5 96 Screw the VSWR bridge onto the DUT again Measure the maximum voltage Vmax and minimum voltage Vmin of the sinusoidal trace Calculate the VSWR VSWR Vmax Vmin Recommended test gt Test frequencies from 1 MHz every 50 MHz up RF max iequelicles anid levels gt Test levels for instruments equipped with Option R amp S SGS B26 first the frequency dependent switching level of the first step attenuator has to be determined 3 dB above is the first measurement level Then the first five attenuator steps are measured by reducing the level in steps of 6 dB This way all possible output impedances are recorded Test level for instruments without Option R amp S SGS B26 0 dBm Service Manual 1173 9111 02 06 32 R amp S SGS100A 1 4 4 3 Setting Time Performance Test Test Procedures Test assembly See section Test Assembly for Setting Time page 11 Test method The RF analyzer is operated as a fast level meter in zero span A controller transmits the start and the stop level via the LAN interface by a special remote command The DUT trigger connector on t
145. very heavy Therefore the product must be handled with care In some cases the user may require a suitable means of lifting or moving the product e g with a lift truck to avoid back or other physical injuries Handles on the products are designed exclusively to enable personnel to transport the product It is therefore not permissible to use handles to fasten the product to or on transport equipment such as cranes fork lifts wagons etc The user is responsible for securely fastening the products to or on the means of transport or lifting Observe the safety regulations of the manufacturer of the means of transport or lifting Noncompliance can result in personal injury or material damage If you use the product in a vehicle it is the sole responsibility of the driver to drive the vehicle safely and properly The manufacturer assumes no responsibility for accidents or collisions Never use the product in a moving vehicle if doing so could distract the driver of the vehicle Adequately secure the product in the vehicle to prevent injuries or other damage in the event of an accident 1171 0000 42 08 Page 6 Instrucciones de seguridad elementales Waste disposal Environmental protection 1 Specially marked equipment has a battery or accumulator that must not be disposed of with unsorted municipal waste but must be collected separately It may only be disposed of at a suitable collection point or via a Rohde amp Schwarz customer service cen
146. ws 1830 BP m 5 Install the panel see page 91 6 Install the case see page 90 7 Perform the necessary action described in chapter Adjustment page 47 Service Manual 1173 9111 02 06 105 Module Replacement and Upgrade 3 3 13 Replacing the Doubler Board R amp S SGS B112 B112V A400 3 3 13 1 Removing the Doubler Board 1 Switch off the instrument and disconnect the main plug Remove the case see page 89 Remove the EMC panel see page 91 Remove the Front Unit see page 100 Remove the RF Mainboard see page 97 Pak wo DN Disconnect the ribbon cable W206 1650 at X405 on Doubler Board and at X211 on the RF Mainboard 7 Disconnect the four RF cables connecting the RF Mainboard 1010 with the doubler board 1310 1320 First W210 1400 then W209 1400 then W207 1380 and W208 1390 1010 or 1020 1650 1380 1400 8 Unfasten the three screws 1330 and remove the Doubler Board from the RF Mainboard R amp S SGS100A Repair Module Replacement and Upgrade 3 3 13 2 Installing the Doubler Board The Doubler Board is the R amp S SGS B112 option 1310 and can be installed in units with the RF Mainboard 1010 The Doubler Board is the R amp S SGS B112V option 1320 and can be installed in units with the RF Mainboard 1020 with revision number greater or equal to 6 09 Note Instruments with serial numbers lower than 101600 can t be upgraded with the R amp S SG
147. y onto the RF Mainboard e Fan Unit for forced cooling of the instrument modules A detailed description of these modules is given in section Functional Description on page 53 R amp S SGS100A Repair Functional Description 3 1 Functional Description 3 1 1 Power Supply Module The power supply module provides a single 12 V supply voltage for the operation of the signal generator It can be switched on and off by means of the power switch on the rear panel The power supply works over a wide input voltage range from 100 V to 240 V 10 96 and AC supply frequencies form 50 Hz to 60 Hz 5 96 The power factor correction meets EN 61000 3 2 The secondary voltage is open circuit proof and short circuit proof The primary fuses are located inside the power supply module and cannot be replaced Further fuses are fitted on the RF Mainboard as a means of fire protection 3 1 2 Controller Board The Controller Board of the signal generator involves the following components and modules 3 1 2 1 Switching regulators Switching regulator modules for 1 0 V 1 2 V 1 8 V and 3 3 V supply voltages 3 1 2 2 Controller Central Controller of the R amp S SGS100A including all memory devices and external interfaces 3 1 2 3 FPGA SIGMA COM Performs data processing for the serial buses which send setting data to the modules It also contains the controllers for the SmardCard the Keyboard and LEDs The SIGMA COM is configured vi
148. z 187 5 MHz 93 76 MHz 120 MHz 187 5 MHz Divider 16 187 5 MHz f x 375 MHz 265 MHz 375MHz 187 6 MHz 265 MHz 375 MHz Divider 8 375 MHz f x 750 MHz 530MHz 750MHz 375 1 MHz 530 MHz 750 MHz Divider 4 750 MHz f lt 1500 MHz 1060MHz 1500 MHz 750 1 MHz 1060 MHz 1500 MHz Divider 2 1500 MHz lt f lt 3 GHz 2120 MHz 3000 MHz 1501 MHz 2120 MHz 3000 MHz Base octave 3 GHz fx 6 5 GHz 4000 MHz 6000 MHz 3001 MHz 3500 MHz 4000 MHz 6500 MHz 5100 MHz 6000 MHz 6001 MHz 6500 MHz Doubler range 6 5 GHz lt f lt 12 75 GHz 7200 MHz 7300 MHz 6501 MHz 7200 MHz 7201 MHz 8900 MHz 9400 MHz 7300 MHz 7301 MHz 8100 MHz 10700 MHz 8900 MHz 8901 MHz 9400 MHz 9401 MHz 9800 MHz 10700 MHz 10701 MHz 11700 MHz 12750 MHz RF max is the maximum output frequency of the instrument according to its frequency option 6 GHz or 12 75 GHz For high resolution measurements in the entire frequency range a logarithmic frequency grid in 1 2 5 sequence is recommended up to 50 MHz above this value linear 50 MHz steps should be used up to the upper limit frequency 6 6 6 Service Manual 1173 9111 02 06 12 R amp S SGS100A Performance Test Test Procedures The recommended test levels are at the upper and lower switching threshold of the attenuator The electronic attenuator of the DUT is switched depending on frequency modulation p
149. zar o transportar el producto lea y tenga en cuenta el cap tulo Transporte Como con todo producto de fabricaci n industrial no puede quedar excluida en general la posibilidad de que se produzcan alergias provocadas por algunos materiales empleados los llamados al rgenos p ej el n quel Si durante el manejo de productos Rohde amp Schwarz se producen reacciones al rgicas como p ej irritaciones cut neas estornudos continuos enrojecimiento de la conjuntiva o dificultades respiratorias debe avisarse inmediatamente a un m dico para investigar las causas y evitar cualquier molestia o dafio a la salud Antes de la manipulaci n mec nica y o t rmica o el desmontaje del producto debe tenerse en cuenta imprescindiblemente el cap tulo Eliminaci n protecci n del medio ambiente punto 1 Ciertos productos como p ej las instalaciones de radiocomunicaci n RF pueden a causa de su funci n natural emitir una radiaci n electromagn tica aumentada Deben tomarse todas las medidas necesarias para la protecci n de las mujeres embarazadas Tambi n las personas con marcapasos pueden correr peligro a causa de la radiaci n electromagn tica El empresario operador tiene la obligaci n de evaluar y sefializar las reas de trabajo en las que exista un riesgo elevado de exposici n a radiaciones Tenga en cuenta que en caso de incendio pueden desprenderse del producto sustancias t xicas gases l quidos etc que pueden generar da

R&S SGS100A Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents

R&amp;S SGS100A Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents

R&S SGS100A Service Manual