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R&S SGT100A Service Manual

1. Disgnosis Mx 32 uns Fast Bus SPI GPIOs 12V Controller 3 1 3 2 x212 Digital Baseband Cable PCI express X6 I DIG va MDR 26 X103 M USB OTG Micro USB USERI SMA X104 Implemented functions Reference crystal oscillator and reference frequency switch Synthesizer DDS module Vector modulator Phase coherent input output Option Harmonics filter RF amplifiers Pulse modulator Option Level control Diagnostics Power supply for connected RF modules Control interface for connected RF modules R amp S SGT100A Repair Functional Description 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 TCXO 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
2. LIII LLLI LIII Q 10 MHz Ref eo gt RF Test Assemblies 1 2 3 Test Assembly for UO 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 1 m generator o v CH i RF analyzer ces dig demodulation RF IEEE IEC Bus 1 2 4 Test Assembly for Pulse modulation Test equipment Oscilloscope item 7 Signal Generator item 5 Mixer item 9 Test setup Pulse gt LO ees a Mixer IF 648 gt RF 0 MHz Ref Le 1 G RF eee e een SOR R amp S SGT100A 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 prevent 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
3. S 32 1 4 4 2 Output nen ee 34 1 4 4 3 Setting Meses ida 36 145 Pulse Modulation R amp S SGT K22 38 1 4 5 1 ON OFF Patio EE 38 1 4 5 2 Rise Fall Time and Pulse Overshboot nennen 39 Service Manual 1176 8680 02 02 3 R amp S SGT100A Table of Contents 1 4 5 3 Video Grosst lk qu A0 1 4 5 4 Pulse Video Te LIRE 41 1 4 6 Hex Modulation E 42 1 4 6 1 Input Impedance VW 42 1 4 6 2 Error VOC i ge cc 43 1 4 6 3 Residual Carrier and Leakage sse ener nennen nnne nens 44 1 4 6 4 Adjacent Channel Power for SGPP EDD 45 1 4 6 5 Frequency Response of Baseband Bypass 46 1 4 6 6 Level linearity of Baseband Bypass pa 47 1 4 7 Internal Baseband E 48 1 4 7 1 Modulated RF Frequency Response over the Complete 48 1 4 7 2 Image Rejection over the Complete Unit sese 50 1 4 7 3 Aliasing Filter D A Converter Interpolation 1 51 1 4 7 4 USER Connector Test inicie eine 52 1 4 7 5 DIGITAL IQ IN OUT Connector enne 52 1 4 7 6 GSM and GSM Normal DBuret esent nnns nnn trenes 53 1 4 7 7 GSM Edge and GSM Edge Burst enne nennen 55 1 4 7 8 Adjacent Channel Power for 3GPP EDD 57 1 4 7 9 Mod
4. 102 Troubleshooting Active Step Attenuator sss 102 Supply Voltages E 102 Module Replacement and Upgrade 105 Required TOONS TL 105 Module Overview EE 106 After Replacing an Assembly AA 106 Replacing the Case 107 Replacing the EMC Panel 108 Replacing the Power Supply AO 109 Replacing the Step Attenuator AbOO nnns 111 Replacing the RF Mainboard and the ARB_COBO A200 A100 112 Service Manual 1176 8680 02 02 6 R amp S SGT100A Table of Contents 3 3 9 Replacing the ARB_COBO A100 sse 115 3 3 10 Replacing the Reference Oscillator OC XO 115 3 3 11 Replacing the SIM D 115 3 3 12 Replacing the Front EE 116 3 3 13 Replacing the Front module board A300 117 3 3 14 Replacing the Fan Ein 118 4 Firmware Eoo EE 119 5 USB Firmware Installston essen 120 6 RUE 121 6 1 Spare iii A a a A a Ea 121 6 1 1 Available Power Cables iio een 121 6 2 Spare Part List and Mechanical Drawings naar cnn 122 ue NND EE 123 Service Manual 1176 8680 02 02 7 R amp S SGT100A Performance Test Test Equipment 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
5. Service Manual 1176 8680 02 02 76 R amp S SGT100A Repair Functional Description 3 1 4 Step Attenuator 3 1 4 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 Control and power supply is provided by the RF Mainboard 3 1 4 2 Step Attenuator diagram The following diagram shows the functional equivalent of the module X220 Pa D S X221 RF IN yt RF OUT Power supply and control functions X700 Control 3 1 4 3 Power Amplifier To offer high output power levels despite of the insertion loss of the switching matrix an amplifier can be switched into the path at the output of the board The amplifier covers the frequency band from 1 MHz to 6 GHz 3 1 4 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
6. and QN and check the deviation Test frequencies 1MHz reference 3MHz 10MHz 20MHz 30MHz Additional with option K521 40MHz 50MHz 60MHz Additional with option K522 80MHz Additional with option K523 100MHz 120MHz m m Dm Ee Service Manual 1176 8680 02 02 60 R amp S SGT100A Performance Test Test Procedures 1 4 8 2 Offset Wideband Noise Test equipment Signal analyzer R amp S FSQ Item 19 Multimeter Item 15 Test setup gt Connect the signal analyzer to the l output of the DUT Test method First a reference measurement is performed with a DC Test Waveform and with the Frequency Offset of 10 MHz Subsequently the noise power state off is measured at 11 MHz Measurement gt Settings on DUT Level 0 dBm ARB Load Waveform var user UCS2010 IQ_DC_OUT wv State On Frequency Offset 10 MHz gt Settings on analyzer FREQ CENTER 10 MHz SPAN 0 Hz AMPT REF LEVEL 5 dBm BW RES BW MANUAL 100 kHz MKR MARKER 1 Measure carrier at 10 MHz reference measurement Settings on DUT State Off Settings on analyzer FREQ CENTER 11 MHz AMPT REF LEVEL 40 dBm AMPT RF ATTEN MANUAL 0 dBm TRACE DETECTOR RMS BW SWEEP TIME MANUAL 50 ms MKR FCT NOISE MEAS gt Measure the noise power at 11 MHz and calculate the wideband noise Calculation Wideband noise noise power reference value 3 dB add 3 dB as it is sine Test setup gt Connect the
7. 1 4 10 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 SGT100A PCI express connector Measurement gt Check if external PCI express device can be identified by R amp S SGT100A Service Manual 1176 8680 02 02 64 R amp S SGT100A 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 SGT100A after module replacement 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 amp 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 uncertaint
8. Operating 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
9. R amp S SGT100A 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 level unmodulated Var
10. Test equipment Signal analyzer R amp S FSQ Item 19 Test setup Connect the signal analyzer to the RF output of the DUT Test method A single sideband signal is generated using a DC Test Waveform The offset is set with the Frequency Offset function in the Baseband menu The image rejection is the difference between the shifted signal and its mirror on the opposite side of the center frequency Measurement Settings on DUT RF On Frequency 1 GHz Level 0 dBm ARB Load Waveform var user UCS2010 IQ DC OUT ww State On UO Wideband ON Optimization Mode High Quality Frequency Offset 10 kHz 10 MHz 20 MHz 30 MHz Additional with option K521 40 MHz 50 MHz 60 MHz Additional with option K522 70 MHz 80 MHz Additional with option K523 90 MHz 100 MHz 110 MHz 120 MHz gt Settings on analyzer FREQ CENTER 1 GHz SPAN 3 x offset frequency BW COUPLING RATIO SPAN RBW MANUAL 300 AMPT REF LEVEL 5 dBm MKR MARKER 1 set to peak gt In the displayed spectrum use MARKER DELTA to measure the image rejection m H B M MHHMMMMMMMMMsm Service Manual 1176 8680 02 02 50 R amp S SGT100A Performance Test Test Procedures 1 4 7 3 Aliasing Filter D A Converter Interpolation Spectra Note Test equipment Test setup Test method Measurement Make sure that the measured spurious signal does not come from the analyz
11. s plant in a 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 ins
12. 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 1700 MHz 1900 MHz 2120 MHz 2300 MHz 2500 MHz 2600 MHz 2700 MHz 2800 MHz 2900 MHz 3000 MHz 3001 MHz 3100 MHz 3300 MHz 3500 MHz 4000 MHz 5100 MHz 6 GHz Test level 8 dBm Repeatthe measurement with external analog IQ Modulation switched on UO Settings menu State On UO 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 1700 MHz 1900 MHz 2120 MHz 2300 MHz 2500 MHz 2600 MHz 2700 MHz 2800 MHz 2900 MHz 3000 MHz 3001 MHz 3100 MHz 3300 MHz 3500 MHz 4000 MHz 5100 MHz 6 GHz Test level 8 dBm gt Repeat the measurement with internal IQ Modulation switched on Baseband menu Load UO DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On Test frequencies 1 MHz 2 MHz 5 001 MHz 10 01 MHz 20 01 MHz 40 01 MHz 60 01 MHz 80 01 MHz 100 01 MHz 120 MHz 1000 MHz 2000 MHz 3000 MHz 4000 MHz 5000 MHz 6000 MHz Test level 8 dBm Service Manual 1176 8680 02 02 20 R amp S SGT100A Performance Test Test Procedures 1 4 3 2 Subharmonics Test equipment RF analyzer item 19 Test setup gt Connect the spect
13. Additional with option K523 120MHz Settings on analyzer FREQ CENTER 61 MHz SPAN 120 MHz AMPT REF LEVEL 5 dBm AMPT RF ATTEN MANUAL 25 dB BW RES BW MANUAL 300 kHz BW SWEEP TIME MANUAL 50 ms TRACE DETECTOR RMS MKR MARKER 1 MKR gt PEAK MKR MARKER 2 MKR NEXT PEAK gt lf a delta occurs read off the spacing of the spurious signals on the R amp S FSQ Service Manual 1176 8680 02 02 62 R amp S SGT100A Performance Test Test Procedures 1 4 8 4 Bias voltage Test equipment Multimeter Item 15 Test setup gt Connect the multimeter to the l and Q output of the DUT Test method The bias voltage is measured for different values Measurement Settings on DUT Out Settings UO Output Type Single Ended Mode Variable UO Level Vp EMF 0 1 V Couple UO Bias On Bias EMF measurement bias gt Settings on multimeter COUPLING DC Measurement gt Check bias 3 6 1 0 3 0 1 0 03 0 01 0 0 002 1 and 3 6 V 1 4 8 5 Offset voltage Test equipment Multimeter Item 15 Test setup gt Connect the multimeter to the and Bar Q and Q Bar output of the DUT Test method The and Bar or and Bar voltage are measured for different offset values The differential offset is obtained from the differences between and Bar or and Bar at a particular offset Measurement Settings on DUT Out Settings UO Output Type Differential Mode Variable UO Leve
14. 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 cannot output internally generated pass fail information The user must decide whether a malfunction has occurred Service Manual 1176 8680 02 02 83 R amp S SGT100A 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
15. Aparato 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 Reparacion 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 m
16. Check the RF Mainboard being supplied correct see page 95 Action if test fails Most probably the ARB COBO is defective Check the being supplied correct see page 82 Action if test fails Most probably the ARB COBO is defective Check the ARB_COBO and the RF Mainboard being supplied correct see page 95 Action if test fails Most probably the ARB COBO is defective Check the being supplied correct see section Switch On Problems on page 80 Action if test fails Remove and clean the fan unit If necessary replace the fan see page 118 Ensure proper cooling of the instrument and do not limit the air flow Operate the instrument inside the ambient temperature specifications Service Manual 1176 8680 02 02 92 R amp S SGT100A Repair Troubleshooting 3 271 Fuses Switch on the R amp S SGT100A and measure the voltage at fuse F2800 2 If the voltage is less than 12 V change the power supply If the voltage is correct measure the voltage at fuse F2800 1 If the voltage is much lower than 11 9 V then fuse F2800 is blown and most probably the ARB_COBO 1416 1330 is faulty Replace the fuse with the correct type given by the table below and check the ARB_COBO see section Switch On Problems on page 80 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 modul
17. Deber n tenerse en cuenta todas las dem s informaciones de seguridad como p ej las referentes a la protecci n de personas que encontrar n en el cap tulo correspondiente de la 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 sehales 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 0 Advertencia superficie caliente NU Corriente alterna AC Q Conexi n a conductor de protecci n AS Corriente continua Corriente alterna DC AC M s informaci n en la s
18. X1 and is directly plugged into the RF Mainboard X250 see Figure 3 3 All signals and the supply voltage are fed to the module through this connector Turn off the instrument and remove 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 X250 A1 10 75 to 11 25 If one or more of the voltages are out of tolerance the RF Mainboard is faulty Service Manual 1176 8680 02 02 99 R amp S SGT100A Repair Troubleshooting A250 B1 3 9 9 4V X250 A1 10 75 11 25V Figure 3 3 Pin locations X250 on RF Mainboard Turn off the R amp S SGT100A plug in the OCXO board and power up the R amp S SGT100A 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 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 behavior try a new tested OCXO board If this still does not work troubleshoot the RF Mainboard Service Manual 1176 8680 02 02 100 R amp S SGT100A Repair G1 6 Enable X G1 1 10MHz 1Vpp Figure 3 4 Pin locations on OCXO Troubleshooting D1 3 2 9 2 Error Messages Concerning the Reference Oscillator Module Error message Reference oscillator oven cold R
19. 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 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 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
20. den eid Heiden iiis 77 Instrument Faults oooococonncccnnnoccccnoncccnanaconanancccnnn cnn nanacanannns 87 Internal Self Test 68 Keyboard and LED Test 83 Measuring Equipment and Accessories 80 Module 105 Modules 82 106 Moltlierboatd ic rene sa neri 71 Overview of the Module 106 Performance Test Power Cables Power Supply Module Pulse modulation Replacing ARB COBO EE EMC Panel Front Uniti EE Power Supply 2 3 cananea 109 Service Manual 1176 8680 02 02 Index Reference Oszillator sssssssssssse 115 RF Mainboard 112 irat es 115 Replacing the Case centi rtr cet 107 Spare Rams C 121 Switch On Problems 80 81 82 Test Assemblies VQ LTE 11 Output Impedance VSWR 10 Setting TME iaa 10 Test Equipment rei re 8 Test Fregueticies E 12 MOSHESVEl EU 12 Test procedure Pulse modulationz zo Test Procedures Be e l GQimodulation iicet deret ttt xa eec Level RE EE PCI Express Interface Phase Coherence Levels Reference Frequ
21. 1 4 4 3 1 5 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 3 2 8 5 3 2 9 3 2 9 1 3 2 9 2 3 2 9 3 3 2 10 3 2 10 1 3 3 3 3 1 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 3 3 7 3 3 8 Voltage Regulators and filtering 77 R amp S SGT B1 Reference nnne 78 Lidl Bum 79 Measuring Equipment and Accessories enne 80 Switch On Problermis Liceo 2 2 ale 80 Test Points on ARB COOC 82 Keyboard and LED Test ree nenne 83 USB Cable Nt E 84 Troubleshooting with Internal Get Test 85 Troubleshooting with Internal Adjustments AA 86 msrumen Fauls E 87 FUSES E AAA TTE EENAA ee eee le 93 Troubleshooting RF Mainboard sese eene eren 95 Internal Adjustment Adjust AT 95 Inp tsand Output 96 Error Messages Concerning the RF Mainboard 98 Warnings Concerning the RF Mainboard eene enne 98 Frequency EmO iD 99 Troubleshooting Reference Oscillator option R amp S SGT B1 99 Input Tee lege 99 Error Messages Concerning the Reference Oscillator 101 Frequency Error Reference Oscillator Adlustment 4
22. 1419 4501 01 1419 4501 01 1419 4501 01 1419 4501 01 PAPST ZCHNG 959220712 1419 4501 01 1419 4501 01 1419 4501 01 ZIF 116 P262 NW 001 1419 4501 01 1419 4501 01 1419 4501 01 1419 4501 01 Sprach Lang I C Blatt Sheet de en 15 00 1 of 1 Dokument Nr Document No 1419 4501 01 SA For this document all rights are reserved Printed documents are not subject to revision Fur 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 bet Des Designation Stock No Subst part SGT100A ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF VARIANTS VARO2 GRUNDVARIANTE VARO2 BASIC MODEL ZS ERSATZTEILLISTE VORHANDEN SPARE PARTS LIST AVAIL Sach Nr Part No 1419 4547 01 ST f r for SGT100A KB GERAETEWANNE2 BESCHR HOUSING TROUGH2 PRINTED NJ PSU 0251 02 PSU 1X 75W 12 2V 6 15A AC DC POWER SUPPLY UNIT VS 6900 ISR M2 5 X 6 A2 COMBI SCREW 6900 ISR M2 5 X 6 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 DV HF KABEL RF CABLE DV HF KABEL Q RF CABLE Q MM FRONTPLATTE SIGMA FRONT COVER SIGMA SF SCHALTMATTE SIGMA RUBBER KEYPAD SIGMA ED FRONTMODULBOARD FRONTM
23. 3 0 0 23 BATTERIES NON RECHARGEABLE PRIMARY enth in incl in 1416 1330 02 Benennung Designation ERS TEILLISTE FUER SGT100A ROHDE amp SCHWARZ SPAREPARTS LIST FOR SGT100A Datum Date 2015 06 15 II 1GAK Meme 1416 1001 02 1416 0928 00 1412 5360 08 1419 5014 00 1419 4976 00 1419 4960 00 1090 4442 00 0858 2049 00 Sprach Lang C Blatt Sheet de en 03 00 2 of 2 Dokument Nr Document No 1419 4547 01 ST For this document all rights are reserved Printed documents are not subject to revision Fur 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 bet Des Designation Stock No Subst part 5 0 S 1810 1 S 1830 2 S ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF VARIANTS VARO2 GRUNDVARIANTE VARO2 BASIC MODEL ZS ERSATZTEILLISTE VORHANDEN 0999 9684 00 SPARE PARTS LIST AVAIL Sach Nr Part No 1419 5620 01 ST f r for SGT B1 A600 ED OCXO BOARD 1416 2508 02 X W OCXO BOARD VS HVC ISR M2 5X12 A2 1096 5205 00 B COMBI SCREW HVC ISR M2 5X12 A2 Benennung Designation Sprach Lang 1 Blatt Sheet SGT B1 REFERENZOSZILLATOR OCXO deen 0200 1 of 1 ROHDE amp SCHWARZ SGT B1 REFERENCE OSCILLATOR OCXO SGT B1 Baum 2013 11 12 3 1GPK Name HI 1419 5608 01 ST Fur diese Unte
24. Action if test fails Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 95 Service Manual 1176 8680 02 02 91 Fault Vector Modulation faulty Fault USER Input Output faulty Fault USER2 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 ARB COBO FPGA The USER1 Input Output SMA connector is directly fitted onto the ARB_COBO as well Test This signal is driven from the ARB COBO FPGA The USER2 Input Output SMA connector is directly fitted onto the RF Mainboard Test All remote interfaces including the interface connectors are fitted directly on the ARB_COBO Test Check if fan operates during instrument boot procedure Check if fan operation is constrained by dust etc Check ambient temperature R amp S SGT100A Repair Troubleshooting Action if test fails Most probably the RF Mainboard is defective
25. DUT by means of RF OFF read the channel power Pres Service Manual 1176 8680 02 02 25 R amp S SGT100A Performance Test Test Procedures Evaluation gt Ifthe power Pres lt 0 41 dB the inherent noise power of the analyzer can be subtracted W Noise E 10 x log 1010er _ 10 m 50dB gt If the power Pres gt Proise 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 Pyoise in dBm and the power P in dBm is the broadband noise floor in dBc Recommended test gt 1 MHz 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 gt Repeat the measurement for f gt 80 MHz with external analog IQ Modulation switched on UO Settings menu State On UO Wideband On and supply 0 5 V DC to the lex Input Repeatthe measurement with internal IQ Modulation switched on Baseband menu Load UO DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On Test frequencies
26. Frequency 10 MHz Check the RF Mainboard e Reference Oscillator REF LO being supplied correct see Output REF page 95 Measure the 10 MHz reference If the R amp S SGT100A is output signal with spectrum analyzer equipped with Reference or frequency counter and power Oscillator R amp S SGT B1 meter Output frequency and level remove the unit see have to meet the specifications page 112 and perform this given in the data sheet test again If it works most probably the Reference Oscillator B1 is defective Check the Reference Oscillator being supplied correct see page 99 Service Manual 1176 8680 02 02 88 R amp S SGT100A Repair Fault Poor Harmonic Distortion Fault Slow Settling times e a Service Manual 1176 8680 02 02 Test R amp S SGT100A settings e Instrument Preset e Reference Oscillator Source Int RF on Mod off Level Mode Normal Level Setting Characteristic gt 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 SGT100A until level and f
27. Replacing the Case 1 Unfasten the two rear feet 480 on both sides and take them off 2 To remove the two covers lower 350 and upper 380 first push the cover backwards and then remove it 3 Toinstall the case proceed in the reverse order Module Replacement and Upgrade 3 3 5 Replacing the EMC Panel 1 Remove the case see page 107 2 Unfasten the six screws 290 3 Lift up the EMC panel 280 and remove it backwards 4 To install the EMC panel proceed in the reverse order R amp S SGT100A Repair Module Replacement and Upgrade 3 3 6 Replacing the Power Supply A50 1 Switch off the instrument Remove the case see page 107 2 3 Remove the EMC panel see page 108 4 Disconnect the side panel 450 by pushing it backwards 5 Unfasten the four combination screws 60 on the rear of the instrument and on both sides of the power supply 50 Service Manual 1176 8680 02 02 109 R amp S SGT100A Repair Module Replacement and Upgrade 6 Disconnect the power supply cable from X270 on the RF mainboard 1020 7 Lift up and remove the power supply 50 a Power Supply Cable 8 install the power supply 50 proceed in the reverse order 9 Afterwards perform the necessary action described in chapter Adjustment see page 65 REESEN Service Manual 1176 8680 02 02 110 _R amp S SGT100A Repair Module Replacement and Upgrade 3 3 7 Repla
28. SGT100A Performance Test Test Procedures 1 4 8 IQ Output R amp S SGT K16 For the analog IQ Outputs the ARB_COBO2 is needed The ARB_COBO does not support analog IQ Outputs 1 4 8 1 Frequency Response and Imbalance Important Before the measurement Signal Analyzer R amp S FSQ must be calibrated as follows by means of a reference measurement at the measurement frequency in question Connect the RF output of the DUT to the power meter and measure the output level 1 Include the measured level as a reference value calibration value in the R amp S FSQ Test equipment Signal analyzer R amp S FSQ Item 19 Test setup Connect the signal analyzer to the I IN QN output of the DUT Test method A single sideband signal is generated using a DC Test Waveform The test frequency is set with the Frequency Offset function in the Baseband menu The test frequencies are set one after the other 1 MHz is the reference The level of the reference must be checked 3 979dBm 0 1dBm The imbalance is obtained from the level differences between and Q at a particular frequency Measurement gt Settings on DUT Frequency 100 MHz Level 0 dBm ARB Load Waveform var user UCS2010 IQ_DC_OUT wv State On Frequency Offset measurement frequency gt Settings on analyzer FREQ CENTER measurement frequencies SPAN 0 Hz AMPT REF LEVEL 10 dBm BW RES BW MANUAL 100 kHz gt Measure the frequency response at the measurement frequencies in IN
29. all signals other than the carrier must be below specified value gt Repeat the measurement for frequencies gt 80 MHz with external analog IQ Modulation switched on UO Settings menu State On UO Wideband On and supply 0 5 V DC to the lex Input gt Repeat the measurement with internal IQ Modulation switched on Baseband menu Load UO DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On Test frequencies 25 01 MHz 60 01 MHz 100 01 MHz 120 MHz 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 REESEN Service Manual 1176 8680 02 02 24 R amp S SGT100A 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 gt 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
30. and Upgrade 3 3 12 Replacing the Front Unit 1 Switch off the instrument Remove the case see page 107 Remove the EMC panel see page 108 BP oO Unfasten the four screws 180 and remove the two grips 170 5 Disconnect the flat flexible cable 152 from the ARB_COBO 208 carefully 6 Pull the entire Front Unit forward 7 Put the flat flexible cable 152 carefully through the slot of the housing 8 Toinstall the Front Unit proceed in the reverse order R amp S SGT100A Repair Module Replacement and Upgrade 3 3 13 Replacing the Front module board A300 1 Switch off the instrument Remove the case see page 107 Remove the EMC panel see page 108 Remove the Front Unit see page 116 a BR Oo Carefully push the five holders apart and remove the Front module board A300 150 Front Unit 5 Holders 150 140 e 7 install the Front module board 150 proceed in the reverse order Service Manual 1176 8680 02 02 117 R amp S SGT100A Repair Module Replacement and Upgrade 3 3 14 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 107 Remove the EMC panel see page 108 Remove the Front Unit see page 116 Disconnect the fan cable fr
31. 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 SGT100A 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 Controller Industry standard PC XT AT with IEC 60625 interface and USB interface and LAN interface and optional PCI Express interface Signal 1 MHz to RFmax R amp S SMBV100A with option 1407 6004 02 generator R amp S SMBV B106 or R amp S SMBV B103 and R amp S SMBV B10 or SMBV B50 or SMBV B51 R amp S SMU with options R amp S SMU B106 B10 B31 Service Manual 1176 8680 02 02 8 R amp S SGT100A
32. 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 e 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 6 GHz For full calibration the R amp S SGT100A must be measured for RF output frequencies up to 6 GHz To enable the full frequency range instruments without option KB106 require installation of the service KO key during the calibration procedure 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 f x 93 75 MHz 93 75 MHz 80 01 MHz 93 75 MHz Divider 32 93 75 MHz f 187 5 MHz 120 MHz 187
33. caso de un accidente lesiones 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 peli
34. desplazar 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 gene
35. ensure the required dynamic range Service Manual 1176 8680 02 02 77 Functional Description 3 1 5 R amp S SGT 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 SGT100A 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 Mainboard R amp S SGT100A 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 centres 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 t
36. equipment RF analyzer item 19 Arbitrary waveform generator item 14 Lowpass filter item 21 Test setup gt Connect the IQ modulation source to the Lowpass filter inputs gt Connect the Lowpass filter outputs to the l Q inputs of the DUT gt Connect RF analyzer to RF output of DUT Test method gt Set standard 3GPP FDD Test Model 1 64 in the modulation source baseband and feed the 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 UO signals to avoid degradation of the ACPR measurement by baseband generator noise Measurement gt Settings on DUT Level 10 dBm PEP Frequency Test frequency UO Settings menu State On HO Wideband Off gt Settings on DUT or signal generator 3GPP FDD Test Setups Test Model 1 64channels State ON Settings on analyzer FREQ CENTER 2160 MHz MEAS CHAN PWR ACP 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 IR Service Manual 1176 8680 02 02 45 R amp S SGT100A Performance Test Test Procedures 1 4 6 5 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
37. lithium cells 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 ina 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 pr
38. on the demodulator Result length 80 symbols gt Measure the error vector magnitude peak and rms at the recommended test frequencies Recommended test 80 01 MHz 250 MHz to 6 GHz in steps of 250 MHz frequencies Service Manual 1176 8680 02 02 43 R amp S SGT100A 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 gt Settings on DUT RF On Frequency test frequency Level 0 dBm Level menu ALC State Off Table UO Settings menu State Off HO 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 UO Settings menu State On Source Analog and measure the residual carrier level P carrier c The carrier suppression in dBc is Dearrier Pret 7 Parier in 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 87 5 MHz to 5987 5 MHz in 25 MHz steps frequencies Service Manual 1176 8680 02 02 44 R amp S SGT100A Performance Test Test Procedures 1 4 6 4 Adjacent Channel Power for 3GPP FDD Test
39. operator must 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 t
40. 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 W206A Switch on the R amp S SGT100A and measure the supply voltages of the Step Attenuator at the capacitors near its power supply connector X700 see Figure 3 5 Danger of hot surfaces Do not run the Step Attenuator longer than 5 minutes without cooling Service Manual 1176 8680 02 02 102 R amp S SGT100A 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 ARB see section Switch On Problems on page 80 Measuring Point R amp S SGT100A 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 T3 nae 2 E Figure 3 5 Power Supply Connector of Active Step Attenuator top view m oen Service Manua
41. to obtain maximum signal output at the mixers IF port The voltage at maximum corresponds to 100 96 of RF amplitude Measurement Evaluate the down 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 Vsettiea Voa V Pulse Overshoot in 100 Pet semea settled Recommended test gt 700 MHz 1 GHz to 6 GHz in steps of 1 GHz frequencies Service Manual 1176 8680 02 02 39 R amp S SGT100A Performance Test Test Procedures 1 4 5 3 Video Crosstalk Test equipment Oscilloscope item 7 Pulse generator item 11 Test setup gt 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 USER2 connector of the DUT and connect the trigger input of the oscilloscope Measurement gt Setting on pulse generator Square wave pulse sequence with a frequency of 100 kHz TTL level gt Setting on DUT RF On Frequency recommended test frequencies Level recommended test levels Pulse Modulation menu State On Source Extern gt Settings on the oscilloscope Amplitude 150 mV Div Sweep Time 10 ns Div Bandwidth 500MHz Trigger Offset 20 ns Trigger Source Trigger Input Tri
42. 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 RF cables 3 3 1 Required Tools Star screwdriver TX 8 Star screwdriver TX 20 Hex Nut Driver 5 mm Torque wrench 60 Ncm 8 mm a en rn nn ern Service Manual 1176 8680 02 02 105 R amp S SGT100A Repair Module Replacement and Upgrade 3 3 2 Module Overview Overview Module Replacement Designation Instrument Replacement Part Page Ref Part No Order No Power Supply A50 1416 0870 00 1416 0870 00 AC 90 V to 264 V ARB COBO A100 1419 5220 02 1419 5220 02 RF Mainboard IQ A200 1416 1001 02 1416 1001 02 Step Attenuator A500 1412 5360 08 1412 5360 08 Ref Oscillator OCXO A600 1416 2508 02 1416 2508 02 incl in SGT 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 A nn nn nee Service Manual 1176 8680 02 02 106 Module Replacement and Upgrade 3 3 4
43. 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
44. 0 dBm 1000 MHz see data sheet 1000 MHz 0 dBm 1000 MHz see data sheet Service Manual 1176 8680 02 02 14 R amp S SGT100A 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 gt Internal Adjustments Adjust Synthesis There must be no error message 1 4 2 2 Setting Time Test assembly See section Test Assembly for Setting Time page 10 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 USER2 connector on the rear panel is programmed as trigger pulse output The analyzer is triggered by the signal generated on the DUT USER2 output At switch over from start to stop frequency the settling procedure is displayed on the screen of the analyzer Preparation of gt Synchronize the reference frequencies of the DUT and the measurement analyzer Make LAN and RF connections Connect spectrum analyzers USER2 connector to DUT trigger output gt Open DUT Protection Levels 1 and 2 Settings on DUT CONNector USER2 0OMODe MLATency Frequency start frequency unmodulated Level Settings Setting Characteristic Auto Level 0 dBm Settings on spectrum analyzer AMPT REF LEVEL 0 dBm FRE
45. 00MHz Test frequency 119 9 MHz 1300MHz Test frequency Service Manual 1176 8680 02 02 51 R amp S SGT100A Performance Test Test Procedures 1 4 7 4 USER Connector Test Test equipment one SMA cable Test setup Make the following SMA connections on the instrument from USER1 to USER2 Test method Self test by means of connection test Measurement gt Start selftest via remote control with commands TEST BB CONN 1 4 7 5 DIGITAL IQ IN OUT Connector Test equipment Signal generator Item 5 equipped with Digital Output B18 gt Cable for Digital Baseband IO Item 22 Test setup gt 1 Connect signal generator Digital Output to the DIGITAL IQ IN OUT of the DUT with the Mini D Ribbon cable Connect generator and read device name via Digital I O interface e g smu200a 104970 out a Measurement Send DUT command SOURce BBIN CDEVice the response string must be the connected generator e g smu200a 104970 out a In case of fault the string No device connected returns Test method Service Manual 1176 8680 02 02 52 R amp S SGT100A Performance Test Test Procedures 1 4 7 6 GSM and GSM Normal Burst The equipment layout for generating GSM EDGE signals includes the option R amp S SGT K240 Digital Standard GSM EDGE Test equipment Signal analyzer R amp S FSQ including options R amp S FSQ K70 Vector Signal Analysis and R amp S FS K5 GSM EDGE Item 19 Test setup gt Connect signal
46. 02 02 Performance Test Test Procedures See section Test Assembly for Setting Time page 10 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 USER2 connector on the rear panel is programmed as trigger pulse output The analyzer is triggered by the signal generated on the DUT USER2 output At Switch over from start to stop level the settling procedure is displayed on the screen of the analyzer Synchronize the reference frequencies of the analyzer Make LAN interface and RF connections DUT and the Connect the spectrum analyzer trigger input to the DUT USER2 output Open DUT Protection Levels 1 and 2 Setting on DUT CONNector USER2 0MODe MLATency Frequency test frequency Level start level Settings on spectrum analyzer REFERENCE LEVEL target level 3 dB AMPLITUDE LOG RANGE 10 dB RESOLUTION BANDWIDTH 200 kHz VDEO BANDWIDTH 2 MHz SPAN 0 Hz SWEEP TIME 15 2 ms TRIGGER EXTERN External triggering by positive edge at 1 4 V 36 R amp S SGT100A Performance Test Test Procedures Measurement gt 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 fro
47. 02 02 119 R amp S SGT100A USB Firmware Installation Module Replacement and Upgrade 5 USB Firmware Installation If the SGMA GUI is not available a firmware package rsu file can be installed from an USB memory stick 1 Before starting the SGT connect the USB memory stick to the micro USB connector on the rear panel 2 Hold down front panel buttons ID and LAN simultaneously while switching on the instrument to start USB firmware installation Besides installing the firmware also the internal memory of the instrument is restored to its original state Instrument Sanitize function 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 orange failure The position of the one orange LED indicates the reason for the failure 1st leftmost LED Cannot access USB stick 2nd LED No update package found 3rd LED Update package defective 4th LED System partition defective 5th LED Out of flash memory eth 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 r Service Manual 1176 8680 02 02 120 R amp S SGT100A Documents 6 Documents 6 1 Spare Parts Spare Parts
48. 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 1 GHz 2 GHz 3 GHz 4 GHz 5 GHz 6 GHz R SOSAO Hee i O OY A A Service Manual 1176 8680 02 02 26 R amp S SGT100A Performance Test Test Procedures 1 4 3 6 SSB Phase Noise Test assembly Test method Measurement Recommended test frequencies Connect Phase Noise Analyzer item 6 to RF socket of the DUT The SSB phase noise of the DUT can be measured directly using a Phase Noise Test Set An 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 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 gt 1 GHz 2 GHz 4 GHz 6 GHz gt Repeat the measurement with external analog IQ Modulation switched on UO Settings menu State On UO Wideband On and supply 0 5 V DC to the ley Input Service Manual 1176 8680 02 02 27 R amp S SGT100A 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 bandwidt
49. 1 o IEC61010 1 EN 61010 1 v lidos en cada caso 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 E
50. 5 MHz 93 76 MHz 120 MHz 187 5 MHz Divider 16 187 5 MHz f lt 375 MHz 265 MHz 375MHz 187 6 MHz 265 MHz 375 MHz Divider 8 375 MHz lt f lt 750 MHz 530MHz 750MHz 375 1 MHz 530 MHz 750 MHz Divider 2 1500 MHz f lt 3 GHz 2120 MHz 3000 MHz 1501 MHz 2120 MHz 3000 MHz Divider 4 750 MHz f x 1500 MHz 1060MHz 1500 MHz 750 1 MHz 1060 MHz 1500 MHz Base octave 3 GHz lt f lt 6 GHz 4000 MHz 6000 MHz 3001 MHz 3500 MHz 4000 MHz 5100 MHz 6000 MHz Service Manual 1176 8680 02 02 12 R amp S SGT100A Performance Test Test Procedures 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 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 parameters 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 foll
51. 52 00 1419 4530 00 1419 4776 00 1419 5037 00 1416 0911 00 1174 2227 00 1174 0082 00 1174 1172 00 1174 0024 00 1174 0353 00 3586 3313 00 1416 1001 02 1096 5205 00 1148 3059 00 0041 1653 00 1416 0940 00 1148 3059 00 1412 5360 08 Sprach Lang J l C Blatt Sheet deen 15 00 2 of 3 Dokument Nr Document No 1419 4501 01 ST Fur 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 ASATT 6GHZ VS 965 ISR M2 5 X 25 A4 PA 965 ISR M2 5 X 25 A4 PA DY FLACHBANDKABEL W206A RFBOARD ATT RIBBON CABLE W206A RFBOARD ATT DW HF KABEL W310A EICHLTG ZU RF B Z RF CABLE W310A ATT TO RF B DW HF KABEL W300A RUECKW ZU EICHLTG RF CABLE W300A REAR TO ATT Benennung Designation SGT100A SGMA VECTOR RF SOURCE ROHDE amp SCHWARZ 100 SGMA VECTOR RF SOURCE SGT100A Dau 2015 06 16 5 1GAK Nene Pos Nr Menge ME El Kennz_ Benennung Bezeichnung 2 Sachnummer Ersatzteil BA VH ItemNo Quantity Unit bet Des Designation Stock No Subst part 1416 1547 00 1419 5014 00 X 1419 4976 00 X 1419 4960 00 X Sprach Lang 1 C Blatt Sheet de en 15 00 3 of 3 Dokument Nr Document No 1419 4501 01 ST For this document all rights are reserved Printed documents are not subject to revision Fu
52. CE 6GHZ Benennung Designation ERS TEILLISTE FUER SGT100A ROHDE amp SCHWARZ SPAREPARTS LIST FOR SGT100A Datum Date Abt Dept Name Name 2015 06 15 1GAK HI 0999 9610 00 3587 9921 00 3590 1857 00 1416 0870 00 3584 3900 00 1419 5343 00 1419 5366 00 1416 0828 00 1416 0628 00 1419 4801 02 1419 5220 02 1416 1330 02 5009 9002 02 1419 4776 00 1419 4760 00 Sprach Lang 1 C Blatt Sheet de en 03 00 10f2 Dokument Nr Document No 1419 4547 01 ST For this document all rights are reserved Printed documents are not subject to revision Fur 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 bet Des Designation Stock No Subst part SGT100A fuer den SGT100A mit 6GHz mit Frequenzerweiterung SGT KB106 for the SGT100A 6GHz with frequency extension SGT KB106 ED RF MAINBOARD IQ RF MAINBOARD IQ DW HF KABEL W100 RF BOARD ZU RUECKW RF CABLE W100 RF BOARD TO REAR ED ASATT 6GHZ ASATT 6GHZ DY FLACHBANDKABEL W206A RFBOARD ATT RIBBON CABLE W206A RFBOARD ATT DW HF KABEL W310A EICHLTG ZU RF B RF CABLE W310A ATT TO RF B DW HF KABEL W300A RUECKW ZU EICHLTG RF CABLE W300A REAR TO ATT SS SMD SICHERUNG 5A T FUSE 5AT enth in incl in 1416 1001 02 EB CR2032 BATT P LI MNO2
53. DJUST REF LVL NOISE CORR ON Check ACP take the smaller of the two measurement values UPPER LOWER in each case Adjacent Channel Alternate Channel 2nd Alternate Channel eee Service Manual 1176 8680 02 02 55 Test Procedures Measurement 2 gt Settings on DUT Level 13 dBm PEP Frequencies 910 MHz 1850 MHz and 5 GHz ARB Load Waveform var user UCS2010 GSM_Edge_Burst wv State On UO Mod On Settings on analyzer GSM EDGE FREQ CENTER 910 MHz 1850 MHz and 5 GHz GSM EDGE DEMOD SETTINGS MODULATION EDGE AUTO LEVEL amp TIME Settings on analyzer GSM EDGE TRANSIENT SPECTRUM START REF MEAS LIMIT CHECK PASSED has to be indicated on the analyzer Settings on analyzer GSM EDGE MODULATION SPECTRUM START REF MEAS LIMIT CHECK PASSED or MARG has to be indicated on the analyzer R amp S SGT100A Performance Test Test Procedures 1 4 7 8 Adjacent Channel Power for 3GPP FDD The equipment layout for generating 3GPP FDD signals includes the option R amp S SGT K242 Digital Standard 3GPP FDD Test equipment Signal analyzer R amp S FSQ including option R amp S FSQ K70 Vector Signal Analysis Item 19 Test setup gt Connect signal analyzer to RF output of DUT Test method Load Waveform with a 3GPP TM1 64 Signal Perform the measurements with the 3GPP measurement setting of the R amp S FSQ Measurement gt Settings on DUT Level 0 dBm Frequencies 2160 MHz ARB Load Waveform var user
54. Hz gt I 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 Cat Power supply and control functions Controller ROHDE amp SCHWARZ RE Mainboard Benennung Designation X101 LAN X102 4 gt Cable X103 I 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 1 Blatt Sh eichn Nr 7Drawing Nr 1416 1001 01 FS R amp S SGT100A Index Adjustments External WEE 67 Internal EE EET 67 Internal Reference 68 Frequency eg eati 102 Functional Description ABB GOBO nu anni 71 Power Supply Module 70 Reference Oscillator 78 RF 73
55. Level uncertainty W310A Absolute Level Correction external Attenuator Correction external In case external adjustment is required contact your local Rohde amp Schwarz representative 2 1 1 Restore Ethernet MAC Address Each SGT100A has a unique fixed MAC Address to allow the identification in an Ethernet network The MAC Address is assigned during the instrument production process and must not be changed afterwards The SGT100A utilizes the MAC Address that is stored on the ARB_COBO A backup of the MAC Address number is stored on the SIM Card When replacing an the SIM Card has to be transferred to the new ARB_COBO and the MAC Address number has to be copied from the SIM Card to the new ARB_COBO using the following procedure e Connect the DUT to a PC via USB Avoid using a LAN connection because the instrument hostname has changed after replacing the ARB_COBO 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 t
56. Mainboard and the ARB_COBO The error message displayed in the SGMA GUI may help to identify the defective module Check the boards being supplied correctly see page 95 mE Service Manual 1176 8680 02 02 95 Troubleshooting 3 2 8 2 Input and Output Signals Connector Signalname Setting on Frequency Level Signal flow system signal generator X205 SMA RF RF on 1 to 6000 MHz 120 to To RF connector 25 dBm at rear panel or step attenuator X201 SMA REF LO IN Ref External Ref 10 100 1000 MHz 0to 16 dBm External LO 80 to 6000 MHz Reference or LO Input X202 SMA REF LO Ref LO Output on Ref 10 100 1000 MHz 6to 12 dBm Reference or OUT LO 80 to 6000 MHz LO Output X203 SMA LIN IQ Modulation on 0 to 1000 MHz 0 5 to 0 5 V I Input for external Vector Modulation X204 SMA Q IN IQ Modulation on 0 to 1000 MHz 0 5 to 0 5 V Q Input for external Vector Modulation X207 SMA not used X208 SMA not used X209 SMA not used X210 SMA not used X104 SMA USER2 LVC logic Bidirectional trigger input output See also Figure 3 2 R amp S SGT100A Repair Troubleshooting X204 Q_IN X203 LIN X104 USER 2 X202 REF LO OUT X201 REF LO IN X205 RF OUT X7 USER 1 X205 RF OUT Figure 3 2 Connectors Service Manual 1176 8680 02 02 97 R amp S SGT100A Repair Troublesh
57. N ESD ALSO THE 2nd PART OF THE SAP LABEL WITH THE MAC ADRESS Bel NC c c Le 2 E E IC a gt E yu c w 2 VI E N GLUED ON BOTTOM OF THE CASE ebenfalls den 2ten Schildteil des SAP Schilds mit der MAC Adresse BETWEEN THE 4 MARKS o 2 Bei Wo UO w 7 c gt E lt SGT100A SGMA VECTOR RF SOURCE gt 2013 12 11 a La 2 5 SE Su Gu Yr lt vo a 5 lt OZ a lt lt nu ROHDERSCHWARZ SGT100A SGMA VECTOR RF SOURCE AE HS O _ 13 senkrecht und von rechts lesbar neben RuckwandfuG HERE GLUEING SAP LABEL ON THE BACK WALL VERTICAL AND READABLE FROM THE RIGHT das SAP Schild auf die R ckwand kleben EA EME EA RE CR ES A RRE xj geklebt auf Pos 130 einkleben NSTALLED GLUED ON POS 130 THEN GLUE THE LABEL OF OPTION Wenn Option SGT KB106 eingebaut Freq angabe beachten dann Schild aus Optio FREQ NOTE DISCLOSUR IF OPTION SGT KB106 Method methode Projection paAJasas aso sujDi jj JUAaWNIOP Sij JOJ JOA 3484 ap sun JIM jUeunxo Jnj Projektions 1 12 gt ROHDE amp SCHWARZ Block Circuit Diagram F r diese Unterlage behalten wir uns alle Rechte vor 100 240V AC 50 60Hz max 1 7A incl Switch ISO Projektion Methode E c
58. ODULBOARD DF FLEXSTRIP 16P R 0 5 L 270 FFC FLAT FLEXIBLE CABLE 16P 0 5MM MM BW2010 RAHMENTEIL 1 2 BW2010 FRAME 1 2 MM BW2010 1E GESTELLGRIFF BW2010 1U RACK MOUNT GRIP VS SCHRAUBE M4 X 18 ISR PA SCREW M4 X 18 ISR PA ED ARB COBC2 ARD COBOC2 FM VERRIEGEL BOLZEN H 5 3 LOCKING SCREW 4 40UNC 5 3 VS DIN128 A3 A2 SPRING LOCK WASHER DIN128 A3 A2 Benennung Designation SGT100A SGMA VECTOR RF SOURCE ROHDE amp SCHWARZ SGT100A SGMA VECTOR RF SOURCE Datum Date Abt Dept Name Name 2015 06 16 1GAK 0999 9684 00 1419 4653 02 1416 0870 00 1148 3059 00 3584 3900 00 0015 9038 00 0794 5214 00 1416 0970 00 0062 1130 00 1419 5343 00 1419 5366 00 1416 0828 00 1416 0628 00 1419 4801 02 5705 6286 00 1174 0047 00 1174 2940 00 1096 4944 00 1419 5220 02 6105 0437 00 0005 2499 00 Sprach Lang C Blatt Sheet de en 15 00 1 of 3 Dokument Nr Document No 1419 4501 01 ST For this document all rights are reserved Printed documents are not subject to revision Fur diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst Pos Nr Menge ME El Kennz_ Benennung Bezeichnung Sachnummer Ersatzteil BA VH ItemNo Quantity Unit bet Des Designation Stock No Subst part SGT100A VS 7985 ISR M2 5 X 8 A4 PA 7985 ISR M2 5 X 8 A4 PA BC SMARTCARD SLE66 V4 4 SIM FORMAT SMARTCARD SLE66 V4 4 SIM FORMAT WW KLEB BD0 025
59. Paw Alternating current AC Protective conductor terminal Direct alternating current DC AC Earth Ground Class Il Equipment to identify equipment meeting the safety requirements specified for Class Il 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 ac
60. Performance Test Test Equipment 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 chan 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 or 1138 0005 0x R amp S NRP Z91 1168 8004 0x Mixer 10 MHz to RFmax IF down to DC 10 VSWR bridge 1 MHz to RFmax f 4 GHz R amp S ZRC 1039 9492 55 directivity gt 30 dB 3 GHz f lt 6 GHz Agilent 773D Arbitrary wave two channels R amp S SMBV 1407 6004K02 generator R amp S SMU 1141 2005 02 with option B18 Dig OUT AC DC 10 Hz to 10 MHz R amp S URE3 350 5315 03 voltmeter Broadband FM included in RF analyzer demodulator 19 RF analyzer amp 1 MHz to 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 R amp S FSQ K70 Vector FM Signal Analysis demodulator R amp S FS K5 GSM EDGE Software for Generation of data for R amp S WinlQSIM simulation of ARB generator digital modulations 21 Lowpass filter Lowpass filter 2 5 MHz to 2 pieces remove WCDMA BB test required signal noise Passband loss lt 0 5 dB for 0 2 MHz Stopband loss gt 15 dB for f gt 3 MHz Linearity IP3 gt 50 dBm DX DIGITAL TVR290 Digital Interface R amp S SMU Z6 1415 0201 02
61. Q CENTER STOP FREQUENCY FM DEMOD ON 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 m H Service Manual 1176 8680 02 02 15 R amp S SGT100A Performance Test TE Test Procedures Measurement gt Settings on analyzer Set the analyzer to the stop frequency gt Set the DUT to the start frequency fstart gt Send the stop frequency fstop 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 making the frequency deviation from the stop frequency less than the specified deviation in the data sheet Switch on external analog IQ Modulation UO Settings menu Source Analog Wideband Input State On and supply 0 5 V DC to the lex Input Repeat the measurement Switch on internal IQ Modulation Baseband menu Load l Q DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On Repeat the measurement IEN Service Manual 1176 8680 02 02 16 R amp S SGT100A Performance Test Test Procedures Recommended test modes 374 9 MHz cw IQ 749 9 MHz cw IQ 1499 9 MHz cw IQ 3000 1 MHz CW IQ 3000 1 MHz CW IQ e a Service Manual 1176 8680 02 02 17 R amp S
62. R amp S SGT100A SGMA Vector RF Source Service Manual 1176 8680 02 02 men Test amp Measure Service Manual This Service Manual provides servicing and maintenance procedures for the R amp S SGT100A 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 KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R8 SOSGT100A is abbreviated as R amp S SGT100A 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
63. S SGT100A Table of Contents Table of Contents 1 Performance TOS 8 1 1 Test Equipment EE 8 1 2 TEStASSOMBINCS eege eu tus rx ped 10 1 2 1 Test Assembly for Output Impedance VOD 10 1 2 2 Test Assembly for Setting Time 10 1 2 3 Test Assembly for Modulation nennen nennen nennen nennen 11 1 2 4 Test Assembly for Pulse modulation eene nenne 11 1 3 Preparation Recommended Test Frequencies and Levels 12 1 4 2 eles 13 1 4 1 Reference E Le 13 1 4 1 1 Internal Reference Mode rnnt rte eeu 13 1 4 1 2 External Reference mode oie lee ea xad see 14 1 4 2 Y 15 1 4 21 Frequency 15 1 4 2 2 Setting 15 1 4 3 Spectral PUFY E 19 1 4 3 1 M 19 1 4 3 2 SUBNALM OMICS ee 21 1 4 3 3 21 1 4 3 4 Noncssystematic nonhartmoni6s csi an 24 1 4 3 5 Wideband NOISE Achensee en 25 1 4 3 6 SSB 27 1 4 3 7 iesu ee ea 28 1 4 3 8 Residual AM EE 30 1 4 4 Level arten een 32 1 4 4 1 EK RS eT
64. SGT100A Performance Test Test Procedures Example of Measurement Marker 1 T1 94 964309692 Hz 334 935897 us Center 750 1 MHz 100 us 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 IR Service Manual 1176 8680 02 02 18 R amp S SGT100A Performance Test Test Procedures 1 4 3 Spectral Purity 1 4 3 1 Harmonics Test equipment RF analyzer item 19 Test setup gt Connect the RF analyzer to the RF output of the DUT gt 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 levels gt First measure the level of the fundamental P at the test frequency f as a reference Then measure the signal levels P and at twice and three times the carrier frequency f c The harmonic spacing is the measured harmonic level referred to the fundamental HD2 P Pz4 P in dBc 2 referred to the carrier IR Service Manual 1176 8680 02 02 19 R amp S SGT100A Performance Test Test Procedures Recommended test Test frequencies frequencies and levels 1 MHz 5 001 MHz 10 01 MHz 20 01 MHz 40 01 MHz 60 01 MHz
65. SSED has to be indicated on the analyzer Settings on analyzer GSM EDGE MODULATION SPECTRUM START REF MEAS LIMIT CHECK PASSED or MARG has to be indicated on the analyzer R amp S SGT100A Performance Test Test Procedures 1 4 7 7 GSM Edge and GSM Edge Burst The equipment layout for generating GSM EDGE signals includes the option R amp S SGT K240 Digital Standard GSM EDGE Test equipment Signal analyzer R amp S FSQ including options R amp S FSQ K70 Vector Signal Analysis and R amp S FS K5 GSM EDGE Item 19 Test setup gt Connect signal analyzer to RF output of DUT Measurement method 1 Load Waveform with a GSM Edge Signal Perform the measurements with the GSM measurement setting of the R amp S FSQ 2 Load Waveform with a GSM Edge Signal with one GSM Edge Slot Perform the measurements with the GSM measurement setting of the R amp S FSQ Measurement 1 Settings on DUT Level 13 dBm PEP Frequencies 910 MHz 1850 MHz and 5 GHz ARB Load Waveform var user UCS2010 GSM_Edge wv State On UO Mod On Settings on analyzer VSA FREQ CENTER 910 MHz 1850 MHz and 5 GHz DIGITAL STANDARD GSM EDGE EDGE NB ADJUST REF LVL gt Check EVM in Modulation Accuracy Table Settings on analyzer FREQ CENTER 910 MHz 1850 MHz and 5 GHz MEAS CHAN PWR ACP CP ACP CONFIG NO OF ADJ CHAN 3 CHANNEL BANDWIDTH 30 kHz all entries CHANNEL SPACING 200 kHz all entries ADJUST SETTINGS MEAS CHAN PWR ACP A
66. 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 10 A 250 V complying with SEV regulation 1011 1059 standard sheet S 24 507 Switzerland DS 0006 7036 00 Type 498 13 10 A 250 V complying with US regulation UL 498 or with IEC 83 USA Canada DS 0041 4752 00 GB2099 GB1002 10A 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 SAA3 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 Fl LCIE IMQ UCIEEEurope Europe except Switzerland Service Manual 1176 8680 02 02 121 Spare Part List and Mechanical Drawings 6 2 Spare Part List and Mechanical Drawi
67. UCS2010 3GPP TM1 64 wv State On UO Mod On Settings on analyzer FREQ CENTER 2160 MHz MEAS CHAN PWR ACP 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 IR Service Manual 1176 8680 02 02 57 R amp S SGT100A Performance Test Test Procedures 1 4 7 9 Modulation error for WCDMA 3GPP The equipment layout for generating 3GPP FDD signals includes the option R amp S SGT K242 Digital Standard 3GPP FDD Test equipment Signal analyzer R amp S FSQ including option R amp S FSQ K70 Vector Signal Analysis Item 19 Test setup gt Connect signal analyzer to RF output of DUT Test method Load Waveform with a 3GPP Signal Perform the measurements with the 3GPP measurement setting of the R amp S FSQ Measurement gt Settings on DUT Level 13 dBm PEP Frequencies 2160 MHz and 5 GHz ARB Load Waveform var user UCS2010 3GPP_1CH wv State On UO Mod On gt Settings on analyzer VSA FREQ CENTER 2160 MHz and 5GHz DIGITAL STANDARD 3G WCDMA 3G WCDMA FWD ADJUST REF LVL gt Check EVM in Modulation Accuracy Table Service Manual 1176 8680 02 02 58 R amp S SGT100A Performance Test Test Procedures 1 4 7 10 Additive White Gaussian Noise R amp S SGT K62 Test equipment Signal analyzer R amp S FSQ Item 19 Test setup gt Connect signal
68. X12 Pl BR ADHESIVE TAPE VS HVC ISR M2 5 X 12 A2 COMBI SCREW HVC ISR M2 5 X 12 A2 MZ LUFTLEITBLECH SHEET ZM EMV HAUBE MIT KONTAKTSTREIFEN EMV COVER WITH CONNECTOR STRIPS VS 965 ISR M2 5 X 5 A4 PA 965 ISR M2 5 X 5 A4 PA HS FIRMWARE SGT100A FIRMWARE SGT100A OS GERAETESCH VECTOR RF SOURCE 3GHZ LABEL VECTOR RF SOURCE 3GHZ OS CSA SCHILD MIT KCC F KOREA SGT CSA LABEL INCL KCC F KOREA SGT ZN BW2010 1E 1 2 T350 ABD UNTEN PERF BW2010 1E 1 2 T350 COVER LOWER MM BW2010 GERAETEFUSS 12MM KOMPL BW2010 FOOT 12MM COMPL MZ BW2010 1E 1 2 T350 ABDECKUNG OBEN BW2010 1E 1 2 T350 COVER TOP MZ BW2010 1E T350 SEITENTEIL LINKS BW2010 1U D350 SIDE PANEL LEFT MM BW2010 1E RUECKWANDFUSS KOMPL BW2010 1HU REAR FOOT COMPL MM BW2010 HALTER FUSS BW2010 HOLDER BASE VS SCHRAUBE M4 X 10 ISR PA SCREW M4 X 10 ISR PA ED RF MAINBOARD IQ RF MAINBOARD IQ VS HVC ISR M2 5 X 12 A2 COMBI SCREW HVC ISR M2 5 X 12 A2 VS 6900 ISR M2 5 X 6 A2 COMBI SCREW 6900 ISR M2 5 X 6 A2 VS 6900 ISR M2 5 X 8 A2 COMBI SCREW 6900 ISR M2 5 X 8 A2 MZ HALTEWINKEL2 F HF AUSG MOUNTING BRACKET VS 6900 ISR M2 5 X 6 A2 COMBI SCREW 6900 ISR M2 5 X 6 A2 ED ASATT 6GHZ Benennung Designation SGT100A SGMA VECTOR RF SOURCE ROHDE amp SCHWARZ SGT100A SGMA VECTOR RF SOURCE Datum Date Abt Dept Name Name 2015 06 16 1GAK HI 1148 2730 00 3586 7860 00 0048 3968 00 1096 5205 00 1419 5020 00 1419 5114 00 1148 27
69. analyzer to RF output of DUT Measurement method 1 Load Waveform with a GSM Signal Perform the measurements with the GSM measurement setting of the R amp S FSQ 2 Load Waveform with a GSM Signal with one GSM Slot Perform the measurements with the GSM measurement setting of the R amp S FSQ Measurement 1 gt Settings on DUT Level 13 dBm PEP Frequencies 910 MHz 1850 MHz and 5 GHz ARB Load Waveform var user UCS2010 GSM wv State On UO Mod On gt Settings on analyzer VSA FREQ CENTER 910 MHz 1850 MHz and 5 GHz DIGITAL STANDARD GSM EDGE GSM_NB ADJUST REF LVL gt Check phase error in Modulation Accuracy Table Settings on analyzer FREQ CENTER 910 MHz 1850 MHz and 5 GHz MEAS CHAN PWR ACP CP ACP CONFIG NO OF ADJ CHAN 3 CHANNEL BANDWIDTH 30 kHz all entries CHANNEL SPACING 200 kHz all entries ADJUST SETTINGS MEAS CHAN PWR ACP ADJUST REF LVL NOISE CORR ON Check ACP take the smaller of the two measurement values UPPER LOWER in each case Adjacent Channel Alternate Channel 2nd Alternate Channel ZZ m nn e nm Service Manual 1176 8680 02 02 53 Test Procedures Measurement 2 gt Settings on DUT Level 13 dBm PEP Frequencies 910 MHz 1850 MHz and 5 GHz ARB Load Waveform var user UCS2010 GSM_Burst wv State On UO Mod On Settings on analyzer GSM EDGE FREQ CENTER 910 MHz 1850 MHz and 5 GHz Settings on analyzer GSM EDGE TRANSIENT SPECTRUM START REF MEAS LIMIT CHECK PA
70. analyzer to RF output of DUT Test method A digital modulated signal is generated and noise is added Using the channel power measurement facility of the spectrum analyzer the carrier power and the power of a section of the noise spectrum is determined By expanding the result to the system bandwidth the carrier to noise ratio can be reconstructed The noise generator is a firmware option realized in a FPGA The functionality of this FPGA is tested with one measurement data are guaranteed by design Measurement gt Settings on DUT Level 0 dBm Frequency 1 GHz RF State ON gt Settings on DUT ARB Load Waveform var user UCS2010 IQ_DC_OUT wv State On UO Mod On AWGN IMP AWGN Additive Noise System Bandwidth 1 MHz Carrier Noise Ratio 20 00 dB State ON gt Settings on analyzer FREQ CENTER 1 GHz MEAS CHAN PWR ACP CONFIG CHANNEL BANDWIDTH 100 kHz AMPT REF LEVEL 10 dBm BW RES BW MANUAL 30 kHz VIDEO BW MANUAL 300 kHz TRACE DETECTOR RMS SWEEP SWEEP TIME MANUAL 2 sec gt Measure carrier power and denote as a reference gt Now retune center frequency of the analyzer to 1 0003 GHz gt Measure the noise power Since the measurement bandwidth is a tenth of the system bandwidth the result is to be corrected by 10 dB c result is carrier power noise power 10 dB m M ppan P X J Ta en Service Manual 1176 8680 02 02 59 R amp S
71. anejo 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 pano 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
72. arts flashing LED on ARB COBO lights up Controller operational and starts booting gt 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 1176 8680 02 02 80 R amp S SGT100A Repair Troubleshooting e Error boot process step 1 not reached Action Check voltage on power supply module output 12 0 V 12 3 V y Check fuses on RF Mainboard y Check 12 V supply voltage on ARB_COBO y Check 5 0 V 4 80 V 5 20 V and 3 3 V 3 10 V 3 50 V supply voltages on ARB_COBO y Check green LED FPGA DONE on ARB_COBO Possible error causes and further steps Short circuit on secondary side Disconnect power supply module from RFMainboard 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 93 Most probably the RF Mainboard is defect Possibly there is a short circuit on the ARB_COBO or RF Mainboard If voltages do not match the rated value replace ARB_COBO If LED is lit then green Front Pa
73. between the highest and lowest sideband level found by varying the modulation frequency is the frequency response to be measured R amp S SGT100A Performance Test Test Procedures Measurement gt Settings on DUT RF On Frequency measurement frequencies Level 0 dBm Level 0 dBm ARB Load Waveform var user UCS2010 IQ_DC_OUT wv State On UO Mod On UO Wideband ON Optimization Mode High Quality Automatic Level Control State Off Table gt Settings on analyzer FREQ CENTER measurement frequency test frequency AMPT REF LEVEL 5 dBm SPAN 5 MHz gt For all measurement frequencies with the specified frequency offset measure the sideband level For the reference check the absolute level OdBm 1dB The modulation frequency response is the difference from the highest to the lowest sideband Test frequencies OHz reference 1MHz 3MHz 10MHz 20MHz 30MHz Additional with option K521 40MHz 50MHz 60MHz Additional with option K522 80MHz Additional with option K523 100MHz 120MHz Measurement frequencies 850 MHz 1750 MHz 2200 MHz 5000 MHz Additionally for low frequency mode Test frequencies OHz reference 1 MHz 3MHz 10MHz 20MHz 30MHz Additional with option K521 40MHz 50MHz 59 5MHz Measurement frequencies 60 5MHz el Service Manual 1176 8680 02 02 49 R amp S SGT100A Performance Test Test Procedures 1 4 7 2 Image Rejection over the Complete Unit
74. cing the Step Attenuator A500 1 Remove the case see page 107 2 Remove the EMC panel see page 108 3 Disconnect the ribbon cable W206A 1650 4 Unfasten the three screws 1630 5 Disconnect the RF cables W310A 1680 and W300A 1690 from the Step Attenuator 1610 6 Remove the Step Attenuator 1610 carefully 7 install the Step Attenuator A500 proceed in the reverse order _ Service Manual 1176 8680 02 02 Module Replacement and Upgrade 3 3 8 Replacing the RF Mainboard and the ARB_COBO A200 A100 1 Remove the case see page 107 Remove the EMC panel see page 108 Remove the Front Unit see page 116 Remove the Step Attenuator A500 see page 111 a BR Oo Unfasten the two combination screws 1050 the two locking screws 212 and the two screws 215 on the rear of the instrument R amp S SGT100A Repair Module Replacement and Upgrade Disconnect the fan cable from X240 and the power supply cable from X270 Disconnect the four RF Cables 124 126 Unfasten the one combination screw 1060 O o N S Unfasten the three combination screws 1040 Service Manual 1176 8680 02 02 113 _ amp 100 Repair Module Replacement and Upgrade 10 Lift up the RF Mainboard 1020 and pull it in toward the front to remove it completely with the ARB_COBO 208 11 Disconnect the cable W300A 1690 together with the mounting bracket by unfastening the t
75. cordance with 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 over
76. ctrum analyzer external frequency counter MKR SIGNAL COUNT MKR NEXT CNT RESOL 0 1 Hz gt Adjust the TCXO OCXO Calibration Value Reference Oscillator Adjustment DAC Value for an external frequency counter reading of 10 MHz with minimal error gt Set the 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 recommended 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 1176 8680 02 02 68 R amp SSGTIA RA Internal Self Test 3 Repair A schematic of the signal generator s design is presented below as block diagram at module level SGT100A Vector RF Source Front Panel Wie er Cable SS 12 V DC 6A max 6p Cable 206 p Cable VE Se Wich Rear Panel a SMA 5 b de 1107 Pde USB LAN DIGIQ USERI LIN USER OUT IN RF 50 100 240V AC S 60 2 17 IN OUT IN OUT REFLO id Swick The R amp S SGT100A consists of very few
77. dificar 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
78. dual AM Test assembly Test method Measurement Test frequencies Performance Test Test Procedures Connect RF analyzer to RF socket of the DUT 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 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 gt Settings on DUT frequency 1 GHz Level 0 dBm gt Settings on analyzer CENTER 1 GHz REFERENCE LEVEL 1 dBm RF ATTEN MANUAL 10 dB FM DEMOD FM DEMOD gt RESULT DISPLAY gt AM FM DEMOD gt MEAS TIME 100 ms FM DEMOD gt 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 5 MHz 450 MHz 1 GHz 2 2 GHz 3 2 GHz 4 5 GHz 6 GHz Service Manual 1176 8680 02 02 30 R amp S SGT100A Performance Test Test Procedures Example IFB 2 MHz Ref 0 Att 5 dB AQT 200 ms Center 1 GHz 20 ms Amplitude Modulation Summar
79. e 12 V DC 6 A max 6 p Cable o USB W3000 16 p Cable SGT100A Vector RF Source Front Panel 12 p Connector Fan Unit 80p Connector Rear Panel o foN SMA o DIGIQ USERI QIN LIN USER2 OUT IN IN OUT IN OUT IN OUT REF LO Benennung ROHDE amp SCHWARZ Pesignation SGT100A SGMA Vector RF Source Name We SGT100A 16 06 2015 es 1GAK ame Reger Sprache Lang Aei C I de en eichn Nr Drawing Nr wed 1419 4501 01 1419 4501 01 FS 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 gt 4 MIMO IN Ref Out Reference Loop D DDS DAC med Reference Output Selector Y X202 gt REF LO oUm Ref_Out 0 100MHz y E dd 80 6500MHz y 0 08 6 5GHz D Main PLL pmi 0 08 12 75GHz 10 100 1000MHz x409 AMP12_IN s 2 Filter bank Leveling Doubler 6 12 75GHz Doubler Amplifier E Levelling AMP12 OUT X210 6 00 12 75 GHz 0 08 6 00 G
80. e 3 1 Position of the fuses on the RF Mainboard 3 2 8 Troubleshooting RF Mainboard R amp S SGT100A 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 and adjustment of the digital baseband on the ARB_COBO 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 being supplied correctly see page 95 Abort during adjustment If the adjustment fails most probably the RF Mainboard is faulty Abort during adjustment The adjustments are all carried out on the RF
81. e clock rate at the sample level to the clock rate of the DA converter e Bi direction interface for digital IQ signals e Frequency compensation of the internal baseband and RF frequency responses e Additional signal processing awgn impairments frequency and phase offset Also performs data processing for the serial buses which send setting data to the modules It also contains the controllers for the Smartcard the Keyboard and LEDs The SGT FPGA is configured via an SPI Interface of the processor 3 1 2 5 SODIMM 0083 The SODIMM Module is used for storing waveforms and marker lists 3 1 2 6 Clock Synthesis An integrated PLL Chip generates the clock signals for the DA converter and the FPGA This chip realizes the clock synchronization with other R amp S Generators e g SMW 3 1 2 7 DA Converter DAC Conversion of the digital Q signal to an analog UO signal The analog UO signal is filtered by an anti aliasing filter and then routed directly to the vector modulator of the RF Mainboard The ARB COBC2 has a second UO signal that is routed to 4 SMB Connectors at the rear 3 1 2 8 Diagnostic Multiplexer The diagnostic multiplexer is used for measuring the supply voltages of the ARB COBO during failure diagnostic and for calibrating the analog UO signals IR Service Manual 1176 8680 02 02 72 R amp S SGT100A Repair Functional Description 3 1 2 9 EEPROM The following data is stored here Serial
82. e other than the RF Mainboard If the fuse is blown replace the fuse with the correct type given below Remove the connections to the step attenuator ASATT X206A If the RF Mainboard is equipped with the Reference Oscillator R amp S SGT B1 remove this unit as well see section Replacing the Reference Oscillator OCXO on page 115 Switch on the R amp S SGT100A 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 SGT100A and connect the step attenuator ASATT Switch on the R amp S SGT100A again If the fuse is blown after two minutes the step attenuator module ASATT 1412 5360 is defective and has to be replaced see page 111 If the R amp S SGT100A is equipped with a Reference Oscillator R amp S SGT B1 then switch off the R amp S SGT100A and insert the reference oscillator Switch on the R amp S SGT100A again If the fuse is blown after two minutes the reference oscillator module 1416 2508 is defective and must be replaced see page 115 After replacement of defective modules don t forget to replace fuse F2800 and or F2801 too R amp S Part Fuse Type Numba Manufacturer Part Number F2800 FF7A 2079 5994 00 Littlefuse R451 007 NRL MRL F2801 FF7A 2079 5994 00 Littlefuse R451 007 NRL MRL 1 Service Manual 1176 8680 02 02 93 Troubleshooting Figur
83. ecci n Eliminaci n protecci n del medio ambiente punto 1 1171 0000 42 08 Page 8 Instrucciones de seguridad elementales Simbolo Significado Simbolo 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 senal 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 A 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 dafios 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 sefal corresponden a la definici n habitual para aplicaciones civiles en el rea econ mica europea Pueden existir definiciones diferente
84. ected in such a way that anyone who has access to the product as well as the product itself is adequately protected from injury or damage 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
85. eference PLL unlocked gt OCXO cannot read EEPROM data gt OCXO cannot store adjustm data Error correction Check the supply voltages of the module see section Input and Output Signals If the supply voltages are correct and this message does not disappear after 10 minutes OCXO is defective Change the module Switch the R amp S SGT100A 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 SGT100A is working correctly the OCXO is defective change the module 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 1176 8680 02 02 101 R amp S SGT100A Repair Troubleshooting 3 2 9 3 Frequency Error Reference Oscillator Adjustment Error Error correction Internal reference frequency Check if the error message Reference PLL Frequency error greater than limit Unlocked appears see page 96 given in datasheet gt 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 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
86. ency ee Spectral Purity essen Troubleshooting Active Step Attenuator Internal Adjustments Internal Selftest Reference Oscillator Option RF Mainboard Switch On USB Cable Test irren iHi 123
87. er The following tests can be performed for this purpose Switch off the signal from the DUT and repeat the measurement if the signal remains it may come from the analyzer Output the signal from the DUT with a slight frequency offset if the signal remains it may come from the analyzer Signal analyzer R amp S FSQ Item 19 Connect the signal analyzer to the RF output of the DUT Synchronize the reference frequencies of the DUT and the analyzer A single sideband signal is generated using a DC Test Waveform The test frequency is set with the Frequency Offset function in the Baseband menu The level measured at the measurement frequency gives the value for the suppression of the interpolation Settings on DUT RF On Frequency 1GHz Level 0 dBm ARB Load Waveform var user UCS2010 IQ DC OUT ww State On UO Mod On UO Wideband ON Optimization Mode High Quality Frequency Offset test frequency Settings on analyzer FREQ CENTER measurement frequency SPANOHz AMPT REF LEVEL 10 dBm BW RES BW MANUAL 30 kHz BW SWEEP TIME MANUAL 200 ms TRACE DETECTOR RMS MKR MARKER 1 Test frequency Measurement frequencies 29 9 MHz 700MHz Test frequency 29 9 MHz 1300MHz Test frequency Additional with option K521 59 9 MHz 700MHz Test frequency 59 9 MHz 1300MHz Test frequency Additional with option K522 79 9 MHz 700MHz Test frequency 79 9 MHz 1300MHz Test frequency Additional with option K523 119 9 MHz 7
88. ers 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 frequency 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 Service Manual 1176 8680 02 02 75 R amp S SGT100A Repair Functional Description 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 ARB_COBO RF Mainboard 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 additional 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
89. est port of the VSWR bridge to the or Q input instead of the RF output Measurement gt Settings on DUT Frequency 1 GHz RF on Level 0 dBm PEP UO Settings menu State On UO 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 P e as reference level Connect the VSWR bridge to the input and measure the level P Calculate the VSWR VSWR VB Bg 1 JP I Prey 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 1176 8680 02 02 42 R amp S SGT100A 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 UO Settings menu State On HO Wideband Off gt Generate a modulation signal on the ARB generator using the controller and the simulation program Modulation 16QAM No coding 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 the corresponding settings
90. g correction Pep value exceeds defined limit gt The peak envelope power PEP is higher than the set upper limit gt Reduce the output level Service Manual 1176 8680 02 02 98 R amp S SGT100A Repair Troubleshooting 3 2 8 5 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 96 given in datasheet gt The frequency accuracy of the synthesizer is determined set to internal reference by a highly stable 10 MHz crystal 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 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 TCXO or OCXO on the RF Mainboard is defective Replace the RF Mainboard if the R amp S SGT comes without option R amp S SGT B1 otherwise see page 115 Replacing the Reference Oscillator OCXO 3 2 9 Troubleshooting Reference Oscillator option R amp S SGT B1 3 2 9 4 Input and Output Signals The Reference Oscillator has only one connector
91. gger 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 signal level at the falling edge of the pulse The peak to peak value at the rising and the falling edge have to be below the guaranteed video crosstalk Recommended test frequencies gt Test frequencies 2 GHz 3 GHz 4 GHz 5 GHz 6 GHz and levels Testlevels 5 dBm 10 dBm Service Manual 1176 8680 02 02 40 R amp S SGT100A Performance Test Test Procedures 1 4 5 4 Pulse Video Signal Test equipment Oscilloscope item 7 Test setup gt Connect the USER2 connector of the DUT to the oscilloscope Measurement gt 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 gt 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 IR Service Manual 1176 8680 02 02 41 R amp S SGT100A Performance Test Test Procedures 1 46 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 t
92. grosas 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 proteccion contra descargas electroestaticas Riesgo de averia de los componentes electr nicos Para evitar aver as en los componentes electr nicos el rea de trabajo tie
93. 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 6 GHz in steps of 200 MHz frequencies Service Manual 1176 8680 02 02 38 R amp S SGT100A 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 0 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
94. h 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 gt Settings on DUT Frequency 1 GHz Level 0 dBm gt Settings on analyzer CENTER 1 GHz 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 3 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 1176 8680 02 02 28 R amp S SGT100A Performance Test Test Procedures Example IFB 2 MHz AQT 50 ms Center 1 GHz 5 ms Frequency Modulation Summary Coupling nc Carrier Offset 45 639 Hz Deviation peak 12 93 Hz Carrier Power 81 dBm peak 12 41 Ba Modulation Frequency Hz peak 2 12 67 Hz Sampling Rate 250 kHz RMS 3 455 Hz Record Length 12501 Demod Bandwidth 200 kHz AF Filter HE 20 Hz LE 23 kHz Date 22 FEB 2008 17 35 25 Residual FM 3 465 Hz MM Service Manual 1176 8680 02 02 29 R amp S SGT100A 1 4 3 8 Resi
95. he R amp S SGT100A after installing an additional Hardware Option Following Hardware Modules are available e R amp S SGT B1 OCXO Service Manual 1176 8680 02 02 66 R amp S SGT100A Adjustment Internal Adjustments First install the respective Hardware modules 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 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 calibra
96. ient 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 Instrument
97. in the feed line 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 there 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 c
98. 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 O according to USB standards Also check whether the resistance is stable when you bend the cable Service Manual 1176 8680 02 02 84 Troubleshooting 3 2 5 Troubleshooting with Internal Self Test The internal self test checks the instrument by setting different internal states and measuring internal diagnostic points Execute Diagnostic Test Selftest Selftest The self test reports the modules failing the test The Tests BBC Selftest and CPU Board apply to the ARB_COBO To see the details of the self test open the corresponding branch of the result tree epp d ooo Dc DC DC DC DC o o 3 tate 2 State 3 R amp S SGT100A 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 ARB_COBO Note Failed in
99. 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 frequency range from 1 MHz to 80 MHz is generated directly by the DDS The analogue HF 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 GHz The synthesis signal can also be switched to the REF LO OUT connector in phase coherent LO operation mode 3 1 3 6 Vector modulator The synthesizer doubler board signal can be routed directly to the following RF chain or the vector modulator which can multiply the signal by the external analogue UO signals or the internal baseband signal 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 divid
100. l 1176 8680 02 02 103 R amp S SGT100A Repair Troubleshooting 2 0 zm BAH Fa n E pa EI ee EE m er pa m Figure 3 6 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 Service Manual 1176 8680 02 02 104 R amp S SGT100A Repair Module Replacement and Upgrade 3 3 Module Replacement and Upgrade This section describes in detail the replacement of modules Chapter 6 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
101. l Q KABEL Connection Cable 26 pin Mini D Ribbon Cable 14526 EZHB XXX 0QC PCI express PCle extension cable with One Stop Systems cable 1 lane single lane connectors OSS PCle CBL x1 length max 5 m or equivalent PCIe device External single lane PCle R amp S PCle test port 5009 9002 02 device Service Manual 1176 8680 02 02 9 1 2 Test Assemblies 1 2 1 Test Assembly for Output Impedance VSWR Test Assemblies Test equipment VSWR bridge item 10 Signal generator item 5 RF analyzer item 19 Test setup NEN coo CH 2nd RF Directional coupler 6dB OUTPUT gt eee RF LLI HH ooo e KA INPUT COUPLED coo coo O ET ee e gt 10 MHz Ref Note directional coupler 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 When using the R amp S ZRC connect the second signal generator directly to the ZRC IN port the analyzer to the ZRC OUT port and the DUT to the ZRC TEST port 1 2 2 Test Assembly for Setting Time Test equipment RF analyzer item 19 Test setup Controller LAN Trigger pulse Y O o
102. l Vp EMF 1 V Couple UO Bias On Bias EMF 0 V Offset EMF measurement offset gt Settings on multimeter COUPLING DC Measurement gt Check offset 300 150 30 10 3 1 0 0 1 30 150 and 300 mV el Service Manual 1176 8680 02 02 63 R amp S SGT100A Performance Test Test Procedures 1 4 9 Phase Coherence Levels Option R amp S SGT 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 gt Settings on DUT RF State ON Level 30 dBm Frequency recommended test frequencies Frequency Phase menu LO Coupling gt Source Ext LO Coupling gt REF LO Output LO gt Setting on second signal generator Level 7 dBm 13 dBm Frequency recommended test frequencies RF State ON gt Set the frequency of the second generator to the recommended test frequencies Set the level of the second signal generator to 7 dBm and measure the level gam Set the level of the second signal generator to 13 dBm and measure the level 1 dBm gt The level P 7 gam and P 13 should be 10 dBm dB Recommended test 80 01 MHz from 150 MHz every 100 MHz up to 6 GHz frequencies
103. m 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 external analog IQ Modulation switched on UO Settings menu State On UO Wideband On ALC state Table amp On and supply 0 5 V DC to the lex Input gt Repeat the measurement with internal IQ Modulation switched on Baseband menu Load UO DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On ALC state Table amp On Recommended test Frequencies 1 MHz 30 MHz 375 MHz 1 1 GHz 2 2 GHz frequencies and levels 3 2 GHz 6 GHz Start level Stop level 120 dBm 15 dBm IN Service Manual 1176 8680 02 02 37 R amp S SGT100A Performance Test Test Procedures 1 4 5 Pulse Modulation R amp S SGT K22 1 4 5 1 ON OFF Ratio Test equipment RF analyzer item 19 Pulse generator item 11 Test setup To determine the ON OFF ratio connect the RF analyzer to the RF output and leave the USER2 connector of the DUT unconnected Measurement Setting on DUT RF On Level 0 dBm Frequency recommended test frequencies Pulse Modulation menu Source External State On Polarity Inverse Setting on Analyzer FREQ CENTER test frequency SPANOHz AMPT REF LEVEL 0 dBm BW gt RES BW MANUAL 3 kHz SWEEP
104. main modules and very few connections between these modules The main units are e Power Supply e ARB_COBO which includes all digital external interfaces the main CPU the digital baseband the hardware drivers for the front panel and the Interface to the RF Mainboard e Front Unit consisting of the 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 Step Attenuator containing RF circuitry to extend the level dynamic range e Reference Oscillator Option R amp S SGT B1 which is plugged directly 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 70 R amp S SGT100A 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 Fu
105. multi meter to the and Q output of the DUT Measurement gt Check offset Service Manual 1176 8680 02 02 61 R amp S SGT100A Performance Test Test Procedures 1 4 8 3 Spurious Free Dynamic Range SFDR Note Make sure that the measured spurious signal does not come from the analyzer The following tests can be performed for this purpose Switch off the signal from the DUT and repeat the measurement if the signal remains it may come from the analyzer Output the signal from the DUT with a slight frequency offset if the signal remains it may come from the analyzer Test equipment Signal analyzer R amp S FSQ Item 19 Test setup gt Connect the signal analyzer to the and subsequently to the IN Q and QN output of the DUT Test method A single sideband signal is generated using a DC Test Waveform The test frequency is set with the Frequency Offset function in the Baseband menu The next highest signal in the spectrum outside the carrier is measured Measurement Settings on DUT Frequencies 100 MHz Level 0 dBm ARB Load Waveform var user UCS2010 IQ DC OUT ww State On Frequency Offset test frequency Test frequencies 2MHz 5MHz 10MHz 20MHz Additional with option K521 40MHz 60MHz Additional with option K522 80MHz
106. n No utilice nunca el producto si est dahado 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 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 IEC60950 1 EN60950
107. ne que estar protegido contra descargas electroest ticas ESD elec trostatic discharge 7 Mu equera con cord n Conexion a tierra del edificio Estera Talonera Ges 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 suffic
108. nel keypad foil is defect or not connected properly to ARB_COBO Service Manual 1176 8680 02 02 81 R amp S SGT100A Repair 3 2 2 1 Test Points Os NULLUM n n a ES nw e Troubleshooting Note The screws attaching the ARB_COBO to the RF Mainboard shield may be used as ground potential for the measurements 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 possible It is possible to reinstall the factory default Firmware by writing a raw firmware image to the uSD Card which is located on the lower side of the ARB_COBO In case this is required contact your local Rohde amp Schwarz representative Otherwise replace ARB_COBO e Error boot process step 4 not reached Action Try different remote control port USB Ethernet PCI Express 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 ARB_COBO Service Manual 1176 8680 02 02 82 3 2 3 Keyboard and LED Test R amp S SGT100A Repair Troubleshooting 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
109. ngs Fur 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 el Kennz Benennung Hinweise Sachnummer Hersteller Part Designation Stock No Manufacturer 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 6 15A AC DC POWER SUPPLY UNIT ED ARB_COBO2 1419 5220 02 ARB_COBO2 ED RF MAINBOARD IQ 1416 1001 02 RF MAINBOARD IQ ED FRONTMODULBOARD 1419 4801 02 FRONTMODULBOARD ED ASATT 6GHZ 1412 5360 08 ASATT 6GHZ EV LUEFTER 76X27 6 1L S 12VDC 3584 3900 00 FAN 12VDC W401 W402 DV HF KABEL I 1419 5343 00 RF CABLE W403 W404 DV HF KABEL Q 1419 5366 00 RF CABLE Q W3000 DF FLEXSTRIP 16P R 0 5 L 270 5705 6286 00 FFC FLAT FLEXIBLE CABLE 16P 0 5MM DY FLACHBANDKABEL W206A 1419 5014 00 RFBOARD ATT RIBBON CABLE W206A RFBOARD ATT DW HF KABEL W300A RUECKW 1419 4960 00 ZU EICHLTG RF CABLE W300A REAR TO ATT DW HF KABEL W310A EICHLTG ZU 1419 4976 00 RF B RF CABLE W310A ATT TO RF B Benennung Designation SGT100A SGMA VECTOR RF SOURCE ROHDE amp SCHWARZ SGT100A SGMA VECTOR RF SOURCE SGT100A patum 2015 06 16 022 1GAK Name Bestellbezeichnung enthalten in Designation contained in PSU 0251 02 TAZ 06 00 1419 4501 01
110. nipi lm 72 3 1 2 4 pp i 72 3 1 2 5 SODIMM DDRS EE 72 3 1 2 6 Glock Synth sis 72 3 1 2 7 DA Gonverter DAC u 1 2 nee bp d Dp 72 3 1 2 8 Diagnostic Multiplexer 72 3 1 2 9 EEPROM eee eleng 73 3 1 2 10 Temperature sensor 73 3 1 3 m 73 3 1 3 1 lee Le LE E 74 3 1 3 2 Implemented functions 74 3 1 3 3 Internal and external reference enne nnnm nnne nnns 75 3 1 3 4 Main 1000 MHZ oscilator AA 75 3 1 3 5 RF Synthesizer DDS module sse enne nennen nennen nens 75 3 1 3 6 Vector modulato a as PER 75 3 1 3 7 aliene E 75 3 1 3 8 Automatic Level Control 76 3 1 3 9 Fan Controller e ee ernannten 76 3 1 3 10 Supply voltage control and 76 3 1 4 mat aaiae aoaeiaa 77 3 1 4 1 Step Attenuator architechure esee enne 77 3 1 4 2 Step Attenuator diagram 77 3 1 4 3 Power Amplifier ren ep en een 77 m mr g Service Manual 1176 8680 02 02 5 R amp S SGT100A Table of Contents 3
111. nivel del 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 mo
112. nnectors at cables e DE on W100A and W110A being e Mod off 60 Ncm e Level 15 dBm Perform internal adjustments Measure the output level with a If level is still wrong perform power meter across the frequency ternal level adjustment range The difference between set If fault still appears most and measured level has to be lower probably the RF Mainboard than guaranteed in the datasheet or the Step Attenuator is defective Check the RF Mainboard being supplied correct see page 95 Service Manual 1176 8680 02 02 87 R amp S SGT100A Repair Troubleshooting Fault Test Action if test fails RF Output R amp S SGT100A 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 95 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 lt 0 1 Hz R amp S SGT100A setting When Reference Oscillator e Reference Oscillator gt Source R amp S SGT B1 is not equipped Int most probably the RF e Reference Oscillator Output Mainboard is defective
113. nu Load WO DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On Use test frequencies according to the recommended test frequency set Recommended test ALC Mode AUTO levels for frequency 415 dBm 0 dBm response measurement Recommended test CW mode 1 MHz 5 MHz to 75 MHz in 10 MHz steps 80 MHz frequencies for the Cy and external IQ mode 80 01 MHz 87 5 MHz to 6 GHz in level frequency response 25 MHz Steps measurement Internal IQ mode 1 MHz 2 MHz 5 MHz 10 MHz to 120 MHz in 10 MHz steps 120 01 MHz 212 5 MHz to 6 GHz in 100 MHz steps REES Service Manual 1176 8680 02 02 32 R amp S SGT100A 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 at
114. number of the instrument header line data of the board 3 1 2 10 Temperature sensor A temperature sensor mounted on the ARB_COBO 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 SGT100A 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 I Q signals from the instrument internal baseband generator or from the external wideband input connectors can be fed to the modulator unit The output level is controlled by a level control loop controlling the level driving the step attenuator The RF Mainboard is controlled by the ARB_COBO via a serial bus and additional control signals Service Manual 1176 8680 02 02 73 Functional Description 3 1 3 1 X201 REF LO IN Block diagram K X202 REF LO OUT gt E Rot our gt TAE m y x203 1 Input X204 Q Input SH
115. o eliminate these 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
116. o 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 Service Manual 1176 8680 02 02 79 R amp S SGT100A 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 Oscilloscope Bandwidth 2 500 MHz R amp S RTM1052 or 1305 0008 52 similar 3 2 2 Switch On Problems After switching on the AC power supply via the switch on the rear panel of the instrument the following steps happen during the boot process Step Visible Effect Operational Requirements 1 Green power LED lights up without AC Power supply ok flashing gt 12 V Fuse on RF Mainboard ok gt Connection from RF Mainboard to ARB_COBO ok gt Connection of Front Module Board to ARB_COBO ok Switching regulators for internal 2 After 1 second Green power LED voltages on ok st
117. oduct may be 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 custome
118. om X240 on the RF Mainboard 1020 oa RON Lift out the fan with the two rubber clips Fan cable Rubber clips 7 install the new fan proceed in the reverse order A LLL Service Manual 1176 8680 02 02 118 R amp S SGT100A Firmware Update Module Replacement and Upgrade 4 Firmware Update 1 Select SGMA GUI main panel gt Instrument Name gt Setup gt Maintenance gt Operation gt 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 Calibration 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 1176 8680
119. onsulting with 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 prot
120. ooting 3 2 8 8 Error Messages Concerning the RF Mainboard Error message Error correction ALC unlocked gt 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 If the reference source is set to internal troubleshoot the RF Mainboard with the internal diagnosis and check the OCXO R amp S SGT B1 see section Troubleshooting Reference Oscillator option R amp S SGT B1 on page 99 gt Execute Internal Adjustment Adjust Synthesis gt If error message does not disappear check the diagnosis see section Troubleshooting with Internal Self Test on page 85 Synthesis adjustment data invalid gt Execute Internal Adjustment Adjust Synthesis gt Ifthe error message does not disappear check the diagnosis see section Troubleshooting with Internal Self Test on page 85 3 2 8 4 Warnings Concerning the RF Mainboard Warnings Warnin
121. owing is the highest level before switching the attenuator and Pin is defined as Pmax 7 dB for the electronic step attenuator 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 Connect an RF power meter to the REF OUT output on rear panel Measurement Measure the output level It 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 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 error in the rated temperature range and from aging m Service Manual 1176 8680 02 02 13 R amp S SGT100A 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 frequenc
122. 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 has to be set to the lowest level before switching the step attenuator Measurement gt Settings frequency test frequency Level 12 dBm determine Att fixed range upper Level Pupper gt RF gt Level Att fixed range gt upper ATT MODE fixed set level to Pupper 7 dB Settings on analyzer center test frequency reference level DUT Level 1 dB Attenuator Dmin DUT Level Piagm 5 dB round to next larger available Attenuation of the analyzer 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 Pre ncrease the analyzer center frequency by 10 MHz 9 9 MHz for carrier frequencies up to 100 MHz gt Inhibit the switching of the attenuator with AMPT RF ATTEN MANUAL without entering a value so that the input mixer is not overdriven gt Lower the reference level of the analyzer by 20 dB read the new channel power Pise gt Minimize the output level on the
123. 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 bet Des Designation Stock No Subst part SGT100A ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF VARIANTS VARO2 GRUNDVARIANTE VARO2 BASIC MODEL PH BEMERKUNG NOTE Ersatzteile fuer Spareparts valid for SGT100A 1419 4501 02 BR MT16KTF51264HZ 1G6K1 4GB DDR3 SODIM MT16JSF51264HZ 4GB DDR3 SODIMM enth in incl in 1416 1330 02 NM THNSNHO60GMCT3PAGA 60GB MSATA MLC 60GB MSATA CARD enth in incl in 1416 1330 02 NJ PSU 0251 02 PSU 1X 75W 12 2V 6 15A AC DC POWER SUPPLY UNIT EV LUEFTER 76X27 6 1L S 12VDC FAN 12VDC DV HF KABEL RF CABLE ab SER 102000 from SER 102000 DV HF KABEL Q RF CABLE Q ab SER 102000 from SER 102000 MM FRONTPLATTE SIGMA FRONT COVER SIGMA SF SCHALTMATTE SIGMA RUBBER KEYPAD SIGMA ED FRONTMODULBOARD FRONTMODULBOARD ED ARB COBO2 ARB_COBO2 ab SER 102000 from SER 102000 ED ARB_COBO ARB_COBO bis SER 101999 up to SER 101999 ZE PCI EXPRESS TEST PORT PCI EXPRESS TEST PORT OS GERAETESCH VECTOR RF SOURCE 3GHZ LABEL VECTOR RF SOURCE 3GHZ fuer den SGT100A mit 3GHz ohne Frequenzerweiterung for the SGT100A 3GHz without frequency extension OS GERAETESCH SGVECTOR RF SOURCE 6GHZ LABEL SGMA VECTOR RF SOUR
124. r service center 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 websi
125. rar dafos 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 dafos 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 B
126. requency 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 SGT100A Troubleshooting Action if test fails Most probably the RF Mainboard or the Step Attenuator is defective Check the connection of ribbon cable W206A Check the RF Mainboard being supplied correct see page 95 Action if test fails Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 95 89 R amp S SGT100A Repair Troubleshooting Fault Test Action if test fails 10 MHz 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 SGT100A 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 95 of this signal is matching the specification in the datasheet set the R amp S SGT100A to e Instrument Preset e Reference Oscillator Source Ext e Reference Oscillator m 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 ha
127. rlage 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 bet Des Designation Stock No Subst part 5 0 S 1810 1 S ROHDE amp SCHWARZ SPAREPARTS SGT B1 SGT B1 A600 ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF VARIANTS VARO2 GRUNDVARIANTE VARO2 BASIC MODEL PH BEMERKUNG 0999 9610 00 Ersatzteile sind fuer Sparepart valid for SGT B1 1419 5608 02 ED OCXO BOARD 1416 2508 02 Ww OCXO BOARD Benennung Designation Sprach Lang 1 Blatt Sheet ERS TEILLISTE SGT B1 de en 02 00 1 of 1 Datum Date Dokument Nr Document No 1419 5620 01 ST 2014 01 14 amp t 1GPK Name lt For this document all rigths are reserved El F r dieses Dokument behalten wir uns alle Rechte vor Projektions me Pro jection Method EE E E m ES E AR CRA EZ AA A 12 14 17 n Kabel gefaltet zus gebunden und an Pos 104 befestigt CABLE BENDED TIED mont an L fter und auf die 2 Bolzen im Geh use gesteckt FIT ON FAN AND 2 BOLTS OF THE HOUSING AND FIXED TO POS 104 55 A NG ka be lt a lt ESS 22 25 ri AL SL m geschlitz
128. rther fuses are fitted on the RF Mainboard as a means of fire protection IR Service Manual 1176 8680 02 02 70 R amp S SGT100A Repair Functional Description 3 1 2 ARB Controller Board ARB COBO ARB COBO2 ARB_COBO2 e installed in SGT100A with serial number 2 102000 supports Analog IQ Outputs SGT K16 3 1 2 1 Block diagram ARB_COBO ARB_COBO2 of the signal generator involves the following components and modules Spannungswandler Externe Schnittstellen lt 12V Input USB Host Device HS LAN HAB Buchse PCI Express 1G Outputs X103 x22 5 0 9V 1 05V R A A A 1 2V a e Basisband 42 5V 3 3V 5V y m RTC 12 Ref Clk PCI Express 1x FPGA Configuration SPH PCI Express 1x IQ Sync In Out DA out Analog IQ RF Board Control Fast Bus SD Interface e i Diagnose RF Board Connector X105 Service Manual 1176 8680 02 02 71 R amp S SGT100A Repair Functional Description 3 1 2 2 Switching regulators The switching regulator modules generate the internal supply voltages from the 12 V supply voltage 3 1 2 3 Controller Central Controller of the R amp S SGT100A including all memory devices and external interfaces 3 1 2 4 FPGA The SGT_FPGA includes the complete baseband e Interface to the SODIMM for waveforms e Conversion of th
129. rum 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 6000 MHz in 125 MHz steps frequencies and levels level 1 4 3 3 Nonharmonics 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 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 Psearon is measured at the analyzer search frequency The nonharmonic spacing D is the measured level referred to the reference level D P P search in dBc 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 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
130. s to be lt 0 1 Hz Service Manual 1176 8680 02 02 90 R amp S SGT100A Repair Fault 10 MHz 1000 MHz Reference Output faulty Fault ext Input Faulty Test R amp S SGT100A 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 SGT100A settings e Instrument Preset e Reference Oscillator Source Int e HE on e External 1 9 Modulation on Measure the input resistance of the Input SMA connector with a multimeter The input resistance should be 50 10 96 Troubleshooting Action if test fails R amp S SGT100A without Reference Oscillator R amp S SGT B1 Most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 95 R amp S SGT100A with Reference Oscillator R amp S SGT B1 Remove the Reference Oscillator B1 see page 112 and perform this test again If still failing most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 95 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 99
131. s a esta definici n en otras reas econ micas o en aplicaciones militares Por eso se deber tener en cuenta que las palabras de sefial 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 sefial en combinaci n con productos o documentaciones que no les correspondan puede llevar a interpretaciones equivocadas y tener por consecuencia da os en personas 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 valido 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
132. s o sin tener 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
133. second generator with different synthesis architecture Service Manual 1176 8680 02 02 21 R amp S SGT100A Performance Test Test Procedures Recommended settings and search frequencies Repeat the measurement for frequencies gt 80 MHz with external analog IQ Modulation switched on UO Settings menu State On UO Wideband On and supply 0 5 V DC to the lex Input Repeat the measurement with internal IQ Modulation switched on Baseband menu Load DC Full Scale Waveform into the ARB Switch the ARB on UO Settings menu Source Internal Baseband State On REENEN Service Manual 1176 8680 02 02 22 Test Procedures Perform the measurement for following frequencies DUT Frequency Analyzer search frequency 100 MHz 12 5 MHz 100 MHz 25 MHz 100 MHz 50 MHz 100 MHz 62 5 MHz 100 MHz 87 5 MHz R amp S SGT100A 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 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
134. stados 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 pa o 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
135. t f r L fterkabel SLOTTED FOR FAN CABLE Max Drehmoment der HF Schraubverbindungen 60 Ncm geklebt an Seitenwand zur Halterung des L fterkabels AFFIXED TO SIDE WALL FOR HOLDING FAN CABLE MAX TORQUE FOR RF SCREW CONNECTION 60 Nom 6 Durch R ckwand montiert zur Montage von Pos 1020 am Gehduse FOR M IN HOUSING Gus OUNTING OF POS 1020 Je 2x FIX THROUGH BACK WALL In R ckwand montiert Beschriftung auf R ckwand und ArbCoBo2 beachten MOUNTED IN REAR PANEL MARKING NOTE ON THE REAR PANEL UND ARBCOBO2 zur Befestigung von Pos 1020 FOR FIXING POS 1020 FOR FIXING POS 50 zur Befestigungs von Pos 50 Achtung EGB CAUTION ESD i B C unterseitig 2x enth in Pos 210 bottom incl in Pos 210 D E D N Gel Dorf m Lem an TO FAN 2 ME bespielte SIM Karte F auf Unterseite in X14 zu Netzteil eingeschoben TO POWER SUPPLY und gesichert mit lt 15mm Klebestrei fen geklebt auf Kartenhal ter und SIM Karte 6 4 if 2 de de 7 71 e D TOM oo Sei E Nofsrok oleranz Werksto Git LI os 1S02768 m Io B D ation Variantenerkl rung VARO2 Grundausf h EGTA bee NE rg ROHDEASCHWARZ SGTIDOA SGMA VECTOR RF SOURCE SGT100A H 2014 01 22 Wim 1GPK H 10 W111 12 13 IN 14 17 Ichn NF Urt ng No 1419 4501 01 Achtung EGB CAUTIO
136. te Instrucciones 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 dano El uso del producto fuera de sus fines definido
137. tenuator 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 gt Settings on DUT Frequency recommended test frequencies Level 15 dBm unmodulated gt Setting on the analyzer Test frequency SPAN 10 Hz FILTER TYPE FFT RES BW 5 Hz set Marker to test frequency Reference level 17 dBm gt Read the marker level and calculate the correction factor C P absolute 7 Pwarker 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 Da 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 Pam 1 dB After switching the analyzer sensitivity read out the marker level Pate and recalculate the Correction factor Crew Pan Pano gt Continue the measurement down to 120 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 4 Service Manual 1176 8680 02 02 33
138. ternal adjustments can also be queried on the info page gt History Normal action Error possible causes and corrective action Internal adjustments call Abort during adjustment Setup Internal Adjustments Adjust All The synthesis level and analog vector Internal adjustment of the RF Mainboard modulator adjustments in the frequency and the ARB_COBO is executed range up to 6 GHz are carried out exclusively on the RF Mainboard using the diagnostic A D converter on the module Adjustments concerning the digital baseband on the ARB_COBO use the diagnostic system of the ARB_COBO and the diagnostic A D converter on the RF Mainboard If the synthesis or level adjustment fails most probably the RF Mainboard is defective Check the RF Mainboard being supplied correct see page 95 If the modulation adjustment fails most probably the RF Mainboard or the ARB COBO is defective Check the RF Mainboard being supplied correct see page 95 Perform the instrument self test see page 68 Service Manual 1176 8680 02 02 86 R amp S SGT100A Repair Troubleshooting 3 2 7 Instrument Faults The following table lists R amp S SGT100A faults Perform the recommended action to determine the defective module Fault Test Action if test fails RF Output R amp S SGT100A settings Check the connection of Level is wrong e Instrument Preset ribbon cable W206A Check e Reference Oscillator Source the mating torque of the Int SMA co
139. 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 on DUT RF On SOURce OPMode BBBYpass Level 10 dBm PEP 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 The 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 1176 8680 02 02 46 R amp S SGT100A Performance Test Test Procedures 1 4 6 6 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 linearit
140. tion 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 To ensure full calibration of the SGT100A level adjustment must be performed for RF output frequencies up to 6 GHz To enable the full frequency range instruments without option KB106 require installation of the service KO key during the External Adjustment procedure REES Service Manual 1176 8680 02 02 67 R amp S SGT100A Adjustment Adjustment of internal Reference Frequency 2 5 Adjustment of internal Reference Frequency When set to internal reference mode the frequency accuracy of the synthesizer is determined by a 10 MHz VTCXO or a highly stable OCXO Option R amp S SGT 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 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 901185 ENTER gt Setting on spe
141. tructions and the 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 O ON OFF Power Observe product documentation gt 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
142. ulation error for WCDMA GGPP ener renes nnns nnne 58 1 4 7 10 Additive White Gaussian Noise R amp S SGT K62 sss 59 1 4 8 IQ Output R amp S SQT K16 ii a A ee eet 60 1 4 8 1 Frequency Response and Imbalance sse eene 60 1 4 8 2 Offset Wideband Noise 61 1 4 8 3 Spurious Free Dynamic Range GEDR esee nnne ens 62 1 4 8 4 SEW E A A ae nn 63 1 4 8 5 Offset voltage EE 63 1 4 9 Phase Coherence Levels Option R amp S SGT K90 64 1 4 10 PCL Express Interface nn ee 64 2 AdjUSIMENT EE 65 2 1 Procedures after Module Replacement AAA 65 2 1 1 Restore Ethernet MAC Address 66 2 2 Adding Hardware Opttons ener nennen snnt enne en 66 2 3 Internal Adiustments A 67 IR Service Manual 1176 8680 02 02 4 R amp S SGT100A Table of Contents 2 4 External Adjustments Requiring Measurement Equipment 67 2 5 Adjustment of internal Reference Frequency 68 2 5 1 hito Urine e ee ee eee 68 2 6 Internal Self Test une o ee ein 68 3 Repair nee tre 69 3 1 Functional Description AAA 70 3 1 1 Power Supply Module sssrin Hear 70 3 1 2 ARB Controller Board ARB COBO ARB COBCO3 enne 71 3 1 2 1 Block el Le LE un EE 71 3 1 2 2 Switching regulators enne 72 3 1 2 3 ern
143. voltage category 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
144. wo screws 1080 12 Unfasten the seven combination screws 260 and remove the ARB_COBO 208 13 If there is a Reference Oscillator OCXO 1810 unfasten the two screws 1830 and remove it 14 To Install the RF Mainboard 1020 the ARB_COBO 208 and or the OCXO 1810 proceed in the reverse order 15 Afterwards perform the necessary action described in chapter Adjustment see page 65 Service Manual 1176 8680 02 02 114 R amp S SGT100A Repair Module Replacement and Upgrade 3 3 9 Replacing the ARB_COBO A100 The ARB_COBO 208 is located on the RF mainboard To replace it refer to page 112 and follow the steps until 12 3 3 10 Replacing the Reference Oscillator OCXO The Reference Oscillator OCXO 1810 is located on the RF mainboard To replace it refer to page 112 and follow the steps until 12 3 3 11 Replacing the SIM Card If you replace the ARB_COBO 208 you have to remove the SIM card 220 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 The SIM card 220 is located on the bottom of the ARB_COBO 208 1 Remove the ARB_COBO see page 115 2 Push the SIM card into the holder to eject the card SIM Card holder 3 Pull out the SIM card 220 from the SIM card holder 4 To install the SIM card proceed in the reverse order REN Service Manual 1176 8680 02 02 115 Module Replacement
145. y Modulation Depth 0 022 Carrier Power 0 87 dBm Modulation peak 0 022 Modulation Frequency Hz peak 20 023 Sampling Rate 250 kHz peak 2 0 022 Record Length 50001 RMS 9 905 Demod Bandwidth 200 kHz AF Filter HE 20 Hz LE 23 kHz Date 25 FEB 2008 16 33 44 Residual AM 0 005 96 Service Manual 1176 8680 02 02 31 R amp S SGT100A Performance Test Test Procedures 1 4 4 Level Data 1 4 4 4 Level Uncertainty Test 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 dependent 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 Setting Characteristic Auto Measure the level Pabsolute at the recommended test frequencies up to RF max gt The level error is the deviation of the measured level from the set value Repeatthe measurement with external analog IQ Modulation Switched on UO Settings menu State On UO 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 gt Repeat the measurement with internal IQ Modulation Switched on Baseband me
146. y 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 ARB_COBO 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 SGT B1 Step Attenuator Setup Internal Adjustments Adjust All Instrument Selftest Absolute Level Correction external Level uncertainty Attenuator Correction external OCXO Setup Internal Adjustments Adjust All Instrument Selftest Reference Frequency Internal Reference mode Power Supply Setup Internal Adjustments Adjust All Instrument Selftest Service Manual 1176 8680 02 02 65 R amp S SGT100A Adjustment Adding Hardware Options Changed module Required Recommended Test Procedure action adjustment correction refer to chapter 1 Performance Test Front panel unit None Keyboard Test see chapter 3 2 3 Functional Test Cables W300A Setup Internal Adjustments Adjust All
147. y can be determined Measurement Settings on DUT RF On SOURce OPMode BBBYpass Level Test level ATT MODE fixed 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 Pye gt Atall test levels read the marker level Pmarker and calculate the level error referred to Recommended test 1 MHz 20 MHz 80 MHz frequencies Recommended test Test levels levels Set level to 0 dBm and determine Pmax Use test levels from P max down to Pmax 20 dB in steps of 1 dB m s Service Manual 1176 8680 02 02 47 Test Procedures 1 4 7 Internal Baseband 1 4 7 1 Modulated RF Frequency Response over the Complete Unit Test equipment Signal analyzer R amp S FSQ Item 19 Test setup Connect the RF output of the DUT to the signal analyzer Test method A single sideband signal is generated using a DC Test Waveform The test frequency is set with the Frequency Offset function in the Baseband menu Test frequencies are set one after the other 0 Hz is the reference The modulation frequency response is determined by measuring the sideband power as a function of the frequency of the applied AC voltage The difference
148. y 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 measurement the 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 Ext Ref Frequency 10 MHz c REF LO Output REF gt Output Frequency 10 MHz Setting on signal generator RF on Level 0 dBm Measurement 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 Measure 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 gt Repeat the measurement for following combinations Test method 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
149. y 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 Vet 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 Vier 0 5 96 gt 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 Service Manual 1176 8680 02 02 34 R amp S SGT100A Performance Test Test Procedures Recommended test gt Test frequencies from 1 MHz every 50 MHz up to RF max frequencies and levels q gt Note The DUT passive attenuator stage numbers range from 0 lowest attenuation to 19 highest attenuation the active attenuator stage numbers range from 1 highest gain to 4 The command sour pow att stag delivers the actual attenuator stage number gt Test levels Vary the DUT level such that the attenuator stage 5 is activated and perform the VSWR measurement Increase the level until the attenuator stage is switched and perform the next measurement Repeat the procedure until the measurement has been performed at a negative attenuator stage number e a Service Manual 1176 8680 02 02 35 R amp S SGT100A 1 4 4 3 Setting Time Test assembly Test method Preparation of measurement Service Manual 1176 8680

R&S SGT100A Service Manual

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R&amp;S SGT100A Service Manual

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R&S SGT100A Service Manual