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R&S ZVB Service Manual

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1. Al DISPLAY UNIT ZVB cL T LINE IN 100 240 41 63 x 8201 450 VA DISPLAY A21 A TFT LCD 100 140 160 I 14 FREQUENCY REFERENCE NETWORK CONTROLLER 1 SYNTH LS 1 02 04 without B4 110 120 are h E DIGITAL I ANALOG a ce DISPL CONNECT 5 511 Lg xul Bui OR E a 8 FMR6 TOSHIBA 23 z2 58 r4 I SA SA ek oF 3888 m 8 a RU RE xu X141 X142 X143 X14 HEME CRE Ae TANG X161 d 1 f f FI H P PR P f d pilo pie t PEO M Cub 2 HE sz 918 REP EE SEU 840 EXT 5 A NN 355 x us fp SS 3 E pu E 4 n Sud eid Beale MOTHERBOARD H H H3 ail H HA 220 User B Control 1 x Pod MBCONI X219 CASCADE S i FRONT CONTROLLER P3 a x218 MONTTOR LANT Q LAN2 BNC 127 2501 2 F3 lt N tef BNC x203 3 m IBC127 F 2501 B FA ay BNC 2 02 2 lt za lt IFC127 F250L gt W300 BNC x 26 1 2 Xx DC MEAS I i 7 MODELS 83568 3 3 i I REF 10 OUTIN
2. 2 3 8 E CPU B M 8 8 5 Battery LAN1 LAN2 IR Pd aN K Connector for display and _ converter adapter board Fig 3 3 Location of the edge connectors on the front module controller gt Re insert the front unit into the instrument and secure to the front frame with 4 countersunk screws 610 gt Fit the following countersunk screws 176 4 177 6 178 8 Caution Avoid trapping cables and ensure cabling is tidy gt Replace the front cover 300 to 330 and screw in the countersunk screw 390 gt Reconnect the 3 5mm connection cables only with option R amp S ZVBx B16 gt Secure the 2 front handles 410 with the 4 screws 1145 1078 82 3 23 E 4 Instrument Construction and Function Description R amp S ZVB Putting into operation gt Connect the mains cable and turn on at the power on switch The instrument is now in standby mode gt Insertthe BIOS disk in the floppy disk drive gt the instrument and wait for the first beep Press the DEL key The instrument should now display the setup menu Select Advanced BIOS Features Enter Select First Boot Device Select Floppy using page up down key Press F10 key save Enter gt BIOS has now been p
3. X200 LINE IN t 100 240V 70 amp T10 amp 21 ur Hz AC FUSE BOARD DISPLAY PINVERTER A 0 ff pcc 11 7251 00 GND A100 A130 A140 150 A160 FREQUENCY REFERENCE NETWORK CONTROLLER 2 NETWORK CONTROLLER 1 SYNTH LO 2 SYNTH DS 1 MOD 02 04 without B4 I POWER MOD 03 05 with OPTION a ATAL A142 142 SUPPLY a 2VAB B4 S NETCON DIGITAL ANALOG NETCON DIGITAL 0 NETCON ANALOG ES 406522 OVENQUARZ 9 m 2 2 DISPL CONNECT S d a xz gt E FMR6 TOSHIBA za SA m5 a5 5 58 22 S X141 X142 X143 E RE X141 X142 X143 RE x160 x161 S x160 x161 9 1 X131 X132X133 j e i i T X141 X142 X143 Pi E X150 X151 BI j j T T X160 1615 T j X23 X24 x25 X21 P60 P60 P60 m Om P60 260 260 S ec mo Yje Che 248 224 X 248 P24 E _ 8 s 5 S eoe G es Fa Xs H 10 SA NIA MIS NJA A en a B Es a m 5 Zl Gl l el S l S E E ols om S MOTHERBOARD ONE OB Be u 8 ES pas fi USER 2 SI UR S S p 22220 contro 2 x5 2 i x219 CASCADE MODULE CONTROLER 5 2 ors MONITOR amp IEC127 F 2501 I BNC e lt H BNC m 127 25
4. T Ov o 2 311 5 5 CPU 1 5 8 iY g LAN 1 LAN 2 LIN c Lory oe Connector for display and converter adapter board Fig 3 6 Location of the edge contacts on the front module controller gt Reinsert the front unit into the instrument and secure to the front frame with 4 countersunk screws 610 gt Refit the countersunk screws 176 4 177 6 178 8 CAUTION Avoid trapping cables and ensure cabling is tidy Replace the front cover 300 to 330 and secure with the countersunk screw 390 gt gt Reconnect the 3 5 mm connection cables only with option R amp S ZVBx B16 gt Refit the 2 front handles 410 using 4 screws gt Connect the mains cable turn on at the mains switch and press the ON key 1145 1078 82 3 31 E 4 Instrument Construction and Function Description R amp S ZVB Replacing the Front Cover See Chapter 5 Spare Parts List Items 300 303 306 310 313 316 317 318 320 323 324 327 328 330 and drawing 1145 1010 The front cover is the outermost front panel with lettering Each instrument type has its own front cover gt gt gt gt Turn off the instrument and disconnect from the mains Remove the 4 screws in the front handles 410 right and left and
5. 5 15 1145 1078 82 5 1 4 5 2 R amp S ZVB Spare Parts 5 Documents This chapter contains the spare parts list and the documents for the complete R amp S ZVA unit For gene ral information about spare parts for our products please refer to the sheet Procedure in Case of Servi ce and Ordering of Spare Parts at the beginning of this manual Spare Parts The stock numbers necessary for ordering replacement parts and modules can be found in the compo nent lists further down DANGER Danger of shock hazard For module replacement ensure that the instrument is switched off and discon nected 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 mod ule replacement Available Power Cables Table 5 1 List of power cables available rm Earthed contact connector Preferably used in DS 0006 7013 00 BS1363 1967 10A 250 V Great Britain complying with IEC 83 1975 standard B2 DS 0006 7020 00 12 10A 250 V Switzerland complying with SEV regulation 1011 1059 standard sheet S 24 507 DS 0006 7036 00 Type 498 13 10 A 250 V USA Canada complying with US regulation UL 498 or with IEC 83 DS 0041 4752 00 GB2099 GB1002 10 A 250 V China DS 0041 6232 00 JIS C 8303 7A 125V AC Japan approvals PSE JET complying with AS C112 1964 Ap
6. A500 ZE REFLECTOMETER 20 OPTION SOURCE_IN OPTION SOURCE_IN OPTION 5 ZVB14 B16 ZVBl4 Bl6 e gt P Pals 2VB14 B16 3 e PORT1 PORT4 PORT2 c epee d e 1 e g en d SOURCE_OUT RE SOURCE_OUT SOURCE UT Ext Cables to Benennung Designat RM n REFLECTOMETER n A510 A520 A530 A540 9 DE amp SCHWARZ ZVB NETWORK ANALYZER semi rigid cable enthalten in contained in SOURCE IN REF IN MEAS I KABELSATZ ZVB SET OF CABLE ZVB FRONT PANEL flex koax cable 1302 5044 01 VIEW 2 v 3 4 Datum o oue 5 Abteil 07 02 14 smolinsk 6 7 7 8 OPTION ZVB14 B16 ZVB20 B16 only MOD 19 25 504A 505 _ 2 CABLES P OI RM1 4_LOCAL from 10 MOTHFRBOARD A150 SYNTH LO 501 RM1 4_SOURCE 503 _ from 10 MOTHERBOARD 160 SYNTH DS A520 RM UNIT ZVB 14 20GHZ 4PORT to A10 MOTHERBOARD NETW CONTR A140 RM2 IF MEAS 50 PORT2 SOURCE 2 LOCAL RM2 IF REF W159 169 w148 w149 saa _ MODELS 1145 1010 19 ZVB14 4PORT 1145 1010 22 ZVB20 4PORT 1145 1010 25 ZVB20 4PORT big housing Spr Lang 1 1 Blatt Sh de 16 00 9 Zeichn Nr Drawing big housing 5 2 1145 1010
7. 3 47 Replacement Boards uku e festa beta 3 20 Replacing BoardS n ED 3 20 1145 1078 82 R amp S ZVB S Shipping Instrument teile Hp e di dedere 5 1 unas 5 1 Software update 4 1 Spare parts d dee 5 5 5 19 liStof all so oL 5 7 joe m 5 2 Refurbished Modules 5 2 Synthesizer Replacemerit i ovni 3 51 T Test equipment Alignment uri 2 8 eder 2 4 Performante test cere ed trn 1 2 Test equpment Troubleshooting sees 3 54 Tracking generator sx EE 3 20 Troubbleshooting Power up problems 3 55 Troubleshooting 3 54 Troubleshooting Boot problems 24h dua AE 3 56 Troubleshooting Selftest sun a de ede e 3 58 3 63 3 68 U USB Board Board 3 34 E 4 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 The list of the Rohde amp Schwarz representatives is provi
8. With the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz Receiver levels The following is assumed e The LO synthesizer section synthesizer1 mod 20 synthesizer2 associated with the reflectometer to be tested is OK e The network controller associated with the reflectometer to be tested is OK e One reflectometer in the instrument is functioning gt Loosen cable W515 coupler unit gt MEAS and cable W518 coupler unit gt REF at both ends and screw off at the MEAS and REF receiver inputs gt Connect the receiver input MEAS or REF to a functioning instrument port using an adapter cable gt Set the R amp S ZVB to the CW sweep mode gt Set the frequencies and output levels for the port used for the measurement as indicated in the table and read off the level for the receiver to be tested wave quantity ax or bx 1145 1078 82 3 78 E 4 R amp S ZVB Instrument Construction and Function Description Frequency Output level Displayed level ax or bx 10 MHz 30 dBm 20 dBm 3 dB 100 MHz 30 dBm 5 dBm 3 dB 1 GHz 20 dBm 5 dBm 3 dB 2 5 GHz 20 dBm 10 dBm 3 dB 3 GHz 20 dBm 10 dBm 3 dB 8 GHz 20 dBm 10 dBm dB 9 GHz 20 dBm 10 dBm 3 dB 12 GHz 20 dBm 10 dBm dB 15 GHz 20 dBm 8 dBm 4 dB 18 GHz 20 dBm 8 dBm 4 dB 20 GHz 20 dBm 8 dBm 4 dB Wit
9. 2 9 Installation of the Alignment Program u u uuu 2 9 Checking the Gauges eee natur ttr teuer 2 9 1145 1078 82 2 1 E 3 Table of Contents Alignment R amp S ZVB 1145 1078 82 2 2 4 R amp S ZVB Manual Alignment and Recording Correction Values 2 Alignment This chapter describes the alignment of the frequency reference and the recording of correction data after a board has been replaced The following manual alignments or corrections can be performed on the ZVB e Alignment of the 10 MHz reference oscillator which determines the frequency accuracy of the ZVB e Alignment of th DC inputs e Recording the correction values for the generators and the receivers which determine the measurement accuracy of the ZVB s absolute values By performing the alignment and recording the correction values it is possible to ensure that the ZVB is meeting its specifications by correcting any deviations The alignments must be performed within an ambient temperature range of 22 C to 24 C after the appropriate warm up time The ZVB meets its specs and is ready for operation when the alignment has been performed and or correction values have been recorded and a system error calibration carried out Service Menu Access to the board alignment functions is password protected to prevent unintentional changes to settings Entering the password MENU 2
10. 3 25 Block circuit e ETE 5 5 5 19 Block diagram Explanatio cies S o Uer at 3 2 Board replacement DC AC Converter aie ro rri 3 28 Dislcdrive sasina asua ua da hasa taa 3 33 23 3 37 Front hoo aaa n erre 3 32 Front module processor 90 3 22 Frontend 3 isse te eroe l apes 3 41 3 47 1E E EM EM CREER 3 28 Motherboard A10 3 38 Network Controller Board A130 A140 3 50 Power Supply ux eo ee bb eden 3 36 Power supply esses nennen 3 35 Reflectometer 8 3 41 Switching foil m 3 30 Synthesizer Board 3 51 USB Board cttm te mon es Lfd 3 34 Board Replacement 3 25 Boards sie kuyu tees 3 21 Boot problems Troubleshooting 3 56 D Disk drive RFeplacemeht unum ay yE 3 33 Documents 5 1 Fan Replacement sau auiii tas 3 37 Alignment a inne RU us 2 6 Check 1 4 1 9 1 11 1 12 1 13 1 14 1 15 1 16 1 17 Frequency Reference Board A100 Replacemen t 3 53 Frequency respons
11. L L L L L im an m a a ae a m u a nH an a aM a a a fa W z h MODEL Legende legend 1145 1010 22 ZVB20 4PORT with LO DIVIDER RM n EFLECTOMETER n Ext Cables to Saala iene Map a ACHTUNG ESD Benennung Designat Spr Lang Aei C r Blatt Sh semi rigid cable A510 A520 A530 A540 Trimmwerte Bauteile und ZVB NETWORK ANALYZER de 16 00 6 enthalten in contained in nicht bestueckte Bauteile siehe ST Bauelemente erfordern eine DE amp SCHWARZ F besondere Handhabung KABELSATZ ZVB SET OF CABLE ZVB F r binding information on models ATTENTION ESD trimming and components values and i i Electrostatic sensitiv devices Datum Abteil N I 1145 2545 01 nonfitted components see parts list Yequit ra speciai handling 07 02 14 1ESK 1 il 4 5 E 1 0 1 0 0 1 1 2 W 5 4 5 A 6 7 8 ee flex koax cable Zeichn Nr Drawing No Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved E
12. 00000001 Po Measurement Wizard gt Enter Password Print gt e Internal Reference External Reference Preset GPIB Address Service Function External Tools gt e Enter password 30473035 CAUTION The alignment shall be performed only by appropriately trained personnel because any changes made have a profound effect on the measurement accuracy of the instrument 1145 1078 82 2 3 E 4 Manual Alignment and Recording Correction Values R amp S ZVB Manual Alignment and Recording Correction Values In the sequel the test equipment and the instrument preparations required to manually align the ZVB and each of the alignments are described Preliminary remarks The analyzer must be allowed to warm up for at least 30 minutes before alignment This is the only way of ensuring that the guaranteed data are met Test Equipment Table 2 1 5 Type of equipment Spectrum analyzer Signal generator Power meter Power sensor Power sensor Power splitter Recommended specifications Counter mode Min resolution 100 Hz Max rel frequency deviation 10 300 kHz to 20 GHz 300 kHz to 20 GHz 300 kHz to 8 GHz 10 MHz to 20 GHz N 50 Ohm lt 0 05 50 MHz to 8 GHz Output tracking lt 0 15 dB Test equipment for manually aligning the R amp S ZVB Recommended model R amp S Order No R amp S FSU 26 1166 1660 26 R amp S 5 101 1090 3000 11 R amp
13. 22 51 NN lt 22 18 Sed N AN Na L eV i e lt er m x s ay 974 NNI oe 5 22 gt 2 5 lt D gt NND Nes 11 WS L E E is cgo s iod y THIS PAGE IS ONLY FOR 04 05 08 09 Toleranz Werkstoff Tol Mater ial ore a oO O MOD04 08 see connector designation Benennung Designation Sprache Lang Aei Z Blatt Sh of cables and motherboard ROHDE amp SCHWARZ ZVB NETWORK ANALYZER 03 00 F MOD05 09 for coble mounting Zeichn Nr Drawing No F mie 2007 02 08 1145 1010 01 D 1 2 X53 n 5 6 7 8 MOD21 MOD14 20 wd A Pen C 29 112 a A U O 18 t KT N AY M Y Q 20 lt VQ 2 2 j K J AM er 5 W e For this document all rights are reserved Fur dieses Dokument behalten wir uns alle Rechte vor KU lt x D SS W XT NS LAS SSS Te S REUS 2 A CD de Ml A LEA L Wa Q E Projektions methode QO Projection Method THIS PAGE IS ONLY FOR MOD14 20 21 Werkstoff MaBstab Toleranz Scale Tol Mater ial EE ROHDEASCHWARZ ZVB NETWORK ANALYZER Zeichn Nr Drawing No F 2007
14. CW Mode CW Frequency fcen Service Function 1 0 0 1 1 see chapter 3 Service Functions Service Level 2 Measure Wave Quantities More Wave Quantities Properties Detector RMS Meas Time 500ms Sweep Single Restart For measurement frequencies see Performance Test Report Read off the noise level indicated by the markers on the DUT Performance Test R amp S ZVB Checking the Matching raw Instrument Calibration kit see Chapter Test Equipment Item4 Test cable see Chapter Test Equipment Item 1 Preparation Connect the test cable to port 1 on the R amp S ZVB and perform a 1 port test setup calibration at the end of the cable Connect the end of the test cable to port 2 port3 port 4 on the R amp S ZVB R amp S ZVB settings S11 Marker Add Channnel Trace Meas S22 533 S44 40 dBm Trace Funct Show Data off Trace Select Trc 1 1 Measurement Read the network analyzer s marker values for marker frequencies see Performance Test Report R amp S ZVB settings Power 40 dBm Trace Funct Show Data off Trace Select Trc 2 Trace Funct Show Data on Meas S22 Marker 2 Preparation Set port 2 power to 10 dBm test setup Connect the test cable to port 2 on the R amp S ZVB and perform a 1
15. 55 60 65 70 75 80 85 90 R amp S ZVB4 8 R amp S ZVB14 20 501 MHz 15 dB 10 48 5 dB 5 dB 10 x 15 dB 20 25 dB 30 35 dB 40 45 dB 50 dB 55 dB 60 65 dB 70 dB 75 dB 80 dB 85 dB 1145 1078 82 1 27 4 Performance Test Report R amp S ZVB Parameter Covered on Min value Actual value Max value Measurement tolerance Q G N N N N N N N VO Q O OOOO Q G N N N N N N 0 06 dB Port Power linearity w Opt B21 B22 B23 R amp S ZVB4 and ZVB8 only Reference 10 dBm Freq Level 1GHz 15dB 10 dB E 5 dB 5 dB 10 15 dB 1 f 20 dB 25 dB 30 dB 35 dB 40 dB 45 dB 50 dB 55 dB 60 dB 65 dB 70 dB 75 dB 80 dB 85 dB 90 dB 1145 1078 82 1 28 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance 85 dB 3 90 3 N O O GOGO GO GO Q G GQ N N N N N N N WWWNHNNNN DN p 0 06 dB Power linearity w Opt B21 B22 B23 R amp S ZVB4 and R amp S ZVB8 only Reference 10 dBm Freq Level 2 1 GHz 15 dB s 10 dB 5 dB 5 dB
16. Cables to A510 A520 A530 A540 Legende legend Benennung Designat Spr Lang 1 1 Blatt 8h in i i 1145 2545 01 3PORT semi rigid cable flex koax cable Em 0702 14 1145 1010 01 S 1 2 v 5 4 5 6 7 Zeichn Nr Drawing No Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved tl FRONT PANEL to A10 MOTHERBOARD CONTR A140 MEAS IN W504A F s e SMA A A OPTION 50 E EE T50 ZVB14 B16 MEAS_OUT ZVB20 B16 s only MOD 17 23 2 1 BEEN W501A 2 S SMA SMA W503 Quo 8 8 REF_OUT W147 W146 i FAN W504A X6 W515 8 IF MAS Q XQ9 RF MEAS A503 RECEIVER 20 x10 RM_LOCAL XL STR 2 xa L domni STR ATT X16 A502 EE REFLECTOMETER 20 MEAS_OUT 2 50 1 COUPLER 24 504 GENERATOR 20 nzr GEN IN xii RM SOURCE SOURCE IN W534 MOD 02 PORT FRONT PANEL Legende legend RM n REFLECTOMETER n semi rigid cable flex cable OPTION S 1 ZVB14 B16 A ZVB20 B16 o eR mne only MOD 17 23 SOURCE OUT Ext Cables to A510 A520
17. NETCON DIGITAL 2 CPU GRAPHICS DISPLAY POWER SUPPLY E 4 BRIDGE PORT 1 PORT 1 BRIDGE PORT 1 OPTION GENERATOR ATTENUATOR OPTION GENERATOR ATTENUATOR PORT 1 kia per See BRIDGE PORT 1 SYNTHESIZER 2 PORT 3 OPTION GENERATOR ATTENUATOR 15to 21 MHz NETCON ANALOG Instrument Construction and Function Description R amp S ZVB EEF NETCON DIGITAL 1 SYNTHESIZER 1 15to 21 MHz NETCON ANALOG 2 iiid NETCON DIGITAL 2 m CPU GRAPHICS DISPLAY POWER SUPPLY Fig 3 3 Block diagram of the R amp S ZVB4 and R amp S ZVB8 ports without LO Divider 1145 1078 82 3 4 E 4 R amp S ZVB PORT 1 PORT 2 PORT 3 PORT 4 BRIDGE PORT 1 BRIDGE PORT 2 Instrument Construction and Function Description OPTION GENERATOR ATTENUATOR PORT 1 OPTION GENERATOR ATTENUATOR PORT 2 SYNTHESIZER 2 BRIDGE PORT 3 BRIDGE PORT 4 oc OPTION GENERATOR ATTENUATOR PORT 3 15to 21 MHz NETCON ANALOG 1 DIGITAL 1 SYNTHESIZER 1 15 to 21 MHz GENERATOR 4
18. Test setup Connect power sensor to port1 port 2 to port 4 Power sensor settings For measurement frequencies see Performance Test Report fcen R amp S ZVB settings Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 to a4 Src Port 4 Sweep Sweep CW Mode CW Frequency fgen Power 16 dBm Sweep Single Restart For measurement frequencies see the Performance Test Report fcen Measurement Read off the level indicated by the power meter Max 5 Performance Test Report 1145 1078 82 1 6 4 R amp S ZVB Performance Test Checking the Accuracy of Output Power Instrument Test setup Power sensor settings R amp S ZVB settings Measurement 1145 1078 82 Power sensor or Power meter with power sensor see Chapter Test Equipment Item2 Connect the power sensor to port 1 port 2 to port 4 For measurement frequencies see Performance Test Report fcen Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 a3 Src Port 3 a4 Src Port 4 Sweep Sweep CW CW Frequency Power 10 dBm Mode ALC Sweep Single Restart For measurement frequencies see Performance Test Report fcen Read off the levels indicated by the power sensor Level deviation Lsensor 10 dBm 1 7 4 R amp S ZVB Perfor
19. RECEIVER REF PORT 4 RECEIVER MEAS PORT 4 NETCON ANALOG 2 FREQUENC REFERENCE TER NETCON DIGITAL 2 Fig 3 4 Block diagram of the R amp S ZVB4 and R amp S ZVB8 4 ports with LO Divider 1145 1078 82 CPU GRAPHICS DISPLAY POWER SUPPLY E 4 Instrument Construction and Function Description R amp S ZVB BRIDGE PORT 1 OPTION GENERATOR CPU GRAPHICS DISPLAY PORT 1 ATTENUATOR 1515 21 1 gt NETCON gt NETCON ANALOG DIGITAL 1 1 BRIDGE PORT 2 OPTION q GENERATOR PORT 2 ATTENUATOR PORT 2 Ec Sasu ee SYNTHESIZER 2 SYNTHESIZER 1 BRIDGE PORT 3 OPTION GENERATOR PORT 3 lt 1510 21 MHz ATTENUATOR NETCON DIGITAL NETCON 2 ANALOG BRIDGE PORT 4 2 PORT 4 aq GENERATOR 4 RECEIVER REF PORT 4 gt RECEIVER MEAS PORT 4 gt POWER SUPPLY Fig 3 5 Block diagram of the R amp S ZVB4 and R amp S ZVB8 4 ports without LO Divider 1145 1078 82 3 6 E 4 R amp S ZVB Instrument Construction and Function Description COUPLER PORT 1 15to 21 MHz COUPLER PORT 2 PORT2 NETCON ANALOG 1 1111 SYNTHESIZER
20. The frequency can be varied from 75 MHz to 86 MHz The VCO frequency is programmable the nominal clock frequency is 80 MHz A reference frequency of 10 MHz is standard If the is fitted the signal is brought out at the ZVAB s rear panel 10 MHz REF so that further instruments can be synchronised The free running VCXO no OCXO no external reference can be calibrated using a pre tune voltage If no OCXO is fitted a 10 MHz signal is still output at the instrument s rear panel It is derived from the 80 MHz signal which is divided down to 10 MHz by the divider for the OCXO The following are also accommodated on the board A control CPLD to act as an interface between the serial bus and the board Register for storing divider values D A converter for pre tuning the VCXO and OCXO An on board EEPROM for storing board specific data Selftest facilities OCXO reference option B4 As an option the frequency reference board can be fitted to an OCXO oven controlled crystal oscillator which considerably improves the phase noise of the reference signal close to the carrier short term stability and long term stability 1145 1078 82 3 14 E 4 R amp S ZVB Instrument Construction and Function Description Synthesizers The source signals for the generator signals associated with each port and the LO signal for the mixers on the receiver boards for each of the reflectometers are generated on the synthesizer
21. 1300 0874 00 VS 6900 ISR M2 5X8 A2 0041 1653 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 VS 6900 ISR M2 5X6 A2 1148 3059 00 ZM RM UNIT ZVB 4 8 GHz Mod 05 1302 3664 04 A510 A520 A540 VS 6900 ISR M2 5X6 A2 1148 3059 00 ZM CABLE SET ZVB 1145 2545 19 VS 6900 ISR M2 5X6 A2 1145 1078 82 1148 3059 00 5 4 E 4 R amp S ZVB Position Designation 2 CABLE SET ZVB List of ZVB parts including spare parts Stock No 1145 2545 11 Electrical Designation Recommended spare parts ZM RM UNIT ZVB 4 8 GHz 1302 4960 08 A510 A520 ZM CABLE SET ZVB 1302 5044 08 ZM RM UNIT ZVB 4 8 GHz Mod 05 09 1302 4960 08 A510 A520 A540 ZM RM UNIT ZVB 4 8 GHz Mod 06 10 1302 4960 08 A510 A520 A530 A540 VS 965 ISR M2 5X8 A4 PA 1148 3294 00 VS 965 ISR M2 5X8 A4 PA 1148 3294 00 VS 965 ISR M2 5X8 A4 PA 1148 3294 00 ZM RM UNIT ZVB 20 GHz 1145 4290 20 VS 965 ISR M3X16 A4 PA 1300 0868 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 ZM CABLE SET ZVB 1302 5044 20 ZM RM UNIT ZVB 20 GHz 1145 4290 20 VS 965 ISR M3X16 A4 PA 1300 0868 00 ZM CABLE SET ZVB 1145 2545 23 OS LABEL FOR REARPANEL 1145 4725 00 ZM 2RM UNIT ZVB 20 GHz 1302 4425 02 MZ HOLDING PLATE 1302 4648
22. 178 8 gt Pull out the front unit together with the keyboard and display 600 601 602 603 forwards and place it with the key side on top of the instrument Remove the 2 screws 1060 disconnect the cable and remove the USB board 1050 Fitting the USB board and reassembling the instrument gt Install the new USB board by reversing the removal procedure replace all screws and connect and install the relevant cables drawing 1145 1384 gt Insert the front unit back into the instrument and secure to the front frame with 4 countersunk screws 610 Refit the countersunk screws 176 4 177 6 178 8 Replace the front cover 300 to 330 and secure with the countersunk screw 390 Reconnect the 3 5 connection cables only with option R amp S ZVBx B16 Refit the 2 front handles 410 using 4 screws Connect the mains cable turn on at the mains switch and press the ON key v V V V WV Check the USB board Connect the mouse or keyboard and perform a function check 1145 1078 82 3 34 E 4 R amp S ZVB Instrument Construction and Function Description Replacing Power Supply A20 See Chapter 5 Spare Parts List 790 and drawings 1145 1010 1145 1290 The power supply is installed at the rear of the instrument frame Removing the power supply gt gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 towards the rea
23. 2E 5 SS S S S A502 S RLE A502 E 502 E 5 RL 502 5 S RM8 BR LF z z RM8_ER LF z RM8_BR LF z amp 24 T RM8 BR LF z z 502 5 m 502 NU 2 zi X502 S y IS 7 4 5 7 0 P10 E P10 a x503 A503 7 3 7 3 RM RECEIVER A501 A501 A501 A501 1 RM8_BR RF c 4 RM8_BR RF 4 RM8_BR RF 4 RM8_BR RF ej e 5 ej eli 12 oli A505 RM8 BR UNIT d A505 RM8 BR UNIT 2 05 RM8 BR UNIT A505 RM8 BR UNIT 04 R Hip SOURCE IN A50 _ Ap SOURCE 50 Sh p SOURCE IN A504 a Fg SOURCE LN A504 zi S I 5 2 RM8 GENERATOR i RM8 GENERATOR zi 2 af af E gi at si gi D D RM UNIT ZVB 4 8 GHz RM UNIT ZVB 4 8 GHz RM UNIT ZVB 4 8 GHz RM UNIT ZVB 4 8 GHz MOD 04 08 MOD 04 08 MOD 04 08 MOD 04 08 W166 x POSTS RM SOURCE ACE ETE at PORT1 RM_SOURCE WN Lae S EAN PORT4 RM_SOURCE from 10 rom 10 from 10 2 RM SOURCE 8512 21 seurrver 1088 2048 0 X165 SYNTH 160 8512 x2 seurrrer 2048 2635 W512 2 1 spurrrer 1088 2088 X168 SYNTH A160 522 x2 serzrr R 2048 4048 from A10 MB X166 SYNTH 160 e X169 SYNTH 160 I I vean xl x w57 x3 vean xil zt vaan xj xl
24. 9000 12345 MHz 11000 12345 MHz 13000 12345 MHz 15000 12345 MHz 17000 12345 MHz 19000 12345 MHz 19999 87655 MHz 1145 1078 82 1 36 4 R amp S ZVB Performance Test Report Parameter Covered Min value Actual value Max value Unit Measurement tolerance Page 1 12 1dB Port __ Matching raw Test frequency R amp S ZVB4 ZVB8 300 kHz 1 MHz 2 MHz 5 MHz R amp S ZVB4 8 R amp S ZVB14 20 10 MHz 16 10 20 MHz 16 10 50 MHz 16 12 100 MHz 16 12 200 MHz 16 12 500 MHz 16 12 750 MHz 16 12 1 GHz 16 12 1 5 GHz 16 12 2 GHz 16 12 2 5 GHz 16 8 3 GHz 16 8 3 5 GHz 16 8 4 GHz R amp S ZVB4 8 R amp S ZVB14 20 4 5 GHz 5 GHz 5 5 GHz 6 GHz 6 5 GHz 7 GHz 7 5 GHz 8 GHz R amp S ZVB14 ZVB20 9 0 GHz 11 0 GHz 13 0 GHz R amp S ZVB20 only 15 0 GHz 17 0 GHz 19 0 GHz 20 0 GHz 1145 1078 82 1 37 4 Performance Test Report R amp S ZVB Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance Port mE Page 1 13 Dynamic range R amp S ZVB4 8 2 port unit w o Opt B21 22 23 Test frequency 300 kHz 1 MHz 2MHz 5 MHz 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1GHz 1 5 GHz 2GHz 2 1 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz R amp S ZVB8 only 4 1 GHz 4 5 GHz 5 GHz 5 05 GHz 5 7 GHz 6 GHz 6 35 GHz 6 36 GHz 7 GHz 7 5 GHz 8 GHz 1145 1078 82 1 38 4 R amp S ZVB Performance Test Report Parameter Coveredon Min value Actual value Ma
25. DS 0025 2365 00 DIN 49 441 10 A 250 V straight Europe except Switzerland approvals VDE OVE CEBEC KEMA S D N FI LCIE IMQ UCIEE DIN 49 441 10 A 250 V angular DS 0086 4400 00 ay approvals VDE OVE CEBEC KEMA S D N FI LCIE IMQ UCIEE 1145 1078 82 5 1 E 4 ROHDE amp SCHWARZ Spare Parts List Mechanical Drawings 1145 1078 82 5 2 E 4 R amp S ZVB List of ZVB parts including spare parts List of R amp S ZVB parts including spare parts The R amp S ZVB is constructed in accordance with R amp S Design 2000 Rackmount Overall dimensions Accessories Rackmount Overall dimensions Accessories Note 6E 1 1 T350 MOD 22 5E 1 1 T350 04 05 06 08 09 10 20 21 B x H x T 465 1 x 241 8 x 417 0 B x H x T 465 1 x 286 2 x 417 0 Table 5 2 List of all R amp S ZVB parts and spare parts Position DRAWING 1145 1010 01 ZVB BASE UNIT 8 1145 1332 Designation Stock No 19 Adapter ZZA 511 Stock No 1096 3290 00 19 Adapter ZZA 611 Stock No 1096 3302 00 Number 00 METAL FRAME The recommended spare parts are marked with an x in the last column Electrical Designation Recommended spare parts 10 ZM FUNDAMENTAL UNIT ZVB Mod 04 05 08 09 1145 1290 08 ZM FUNDAMENTAL UNIT ZVB Mod 06 10 1145 1290 09 ZM FUNDAMENTAL UNIT ZVB Mod 14 20 21 1145 1290 20 ZM FUNDAMENTAL UNIT ZVB Mod 22 1145 1290 22 ZM FUNDAMENTAL UNIT ZVB Mod 17 19 23 2
26. R amp S ZVB Mod 20 carrier offset setting 100 kHz 300 kHz 3 dBm to 10 dBm lt 28 dBc lt 5 dBc 130 dBc 100 MHz 3 dBm to 10 dBm lt 28 dBc lt 5 dBc 130 dBc 1 GHz 3 dBm to 10 dBm lt 25 dBc lt 5 dBc 126 dBc 2 GHz 3 dBm to 10 dBm lt 25 dBc lt 5 dBc 120 dBc 3 GHz 3 dBm to 10 dBm lt 25 dBc lt 5 dBc 116 dBc 3 8 GHz 3 dBm to 10 dBm lt 25 dBc lt 14 dBc 116 dBc 4 GHz 3 dBm to 10 dBm lt 25 dBc lt 30 dBc 112 dBc 5 2 GHz 5 dBm to 10 dBm lt 25 dBc lt 30 dBc 108 dBc 5 3 GHz 1 dBm to 4 dBm lt 25 dBc lt 30 dBc 7 2 GHz 1 dBm to 4 dBm lt 25 dBc lt 30 dBc 8 GHz 7 dBm to 0 dBm lt 25 dBc lt 30 dBc 105 dBc 3 72 E 4 1145 1078 82 R amp S ZVB Instrument Construction and Function Description Synthesizer DS 1302 5180 xx Source 1 to 4 set port1 to 4 active Frequency Source Level 2nd harmonic 3rd harmonic SSB noise R amp S ZVB carrier offset setting 100 kHz 300 kHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 130 dBc 100 MHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 130 dBc 1 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 126 dBc 2 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 120 dBc 3 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 116 dBc 4 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 112 dBc 6 GHz 3 dBm to 7 dBm lt 27 dBc lt 30 dBc 108 dBc 8 GHz 3 dBm to 7 dBm lt 27 dBc lt 30 dBc 105 dBc
27. e 59 H H5 e W536 o W536 a H H HE o W536 e W556 E W550 W550 W550 S 8550 krrznuaTor CONTROL horenvaror CONTROL TION ZVB8 B23 ON ZVB8 B21 OPTION ZVB8 B23 ON ZVB8 B22 STEP ATTEN ZVB PORT3 STEP ATTEN ZVB PORT STEP ATTEN ZVB PORT3 STEP ATTEN ZVB PORT2 for 4 MODEL for 3PORT MODEL MODELS Legende legend 1145 1010 05 ZVB4 3PORT 11 45 4 01 0 09 ZVB8 3PORT Benennung Designat Spr Lang 1 1 Blatt Sh Cables to A510 A520 A530 A540 No RON ZVB NETWORK ANALYZER de 16 00 s F 20 1145 1010 06 ZVB4 4 DE amp SCHWARZ semi rigid cable enthalten in contained in 4 2 Zeichn Nr Drawing KABELSATZ ZVB SET OF CABLE ZVB 1145 1010 10 ZVB8 4PORT e ee flex koax cable 1302 5044 01 o zve 1145 1010 01 S 1 2 W 5 4 5 6 7 Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved A E 1 S OPTION P ZVB14 B16 ZVB20 B16 S only MOD 19 25 MEAS_IN W504B r Om SMA W505 ec MEAS OUT REF IN W501B gt SMA o2 W503 REF OUT PORT 3 A530 to A10 MOTHERBOARD NETW CONTR A130 RM UNIT ZVB 14 20GHZ 4PORT I
28. gt Lift off the top instrument cover 296 after undoing the 23 2 ports or 28 4 ports countersunk screws 298 gt Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove 3 5 mm connection cables only with option R amp S ZVBx B16 Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom Remove the countersunk screws 176 4 177 6 178 8 Pull out the front unit together with the keyboard and display 600 601 602 603 forwards Disconnect the fan cable on the motherboard X35 X36 and X37 FAN Undo the 2 screws 19 and the 5 screws 17 and remove fan plate 50 with the 3 fans 15 Remove fan 15 by undoing the 4 fan screws 18 VV VV V V Fitting a new fan and reassembling the instrument gt Install the fan using the 4 fan screws N B The arrows on the fan show the installation position The fan blows air into the instrument Route the fan cable so that it cannot get caught in the fan gt Reinsert the fan plate with the fans on it into the instrument and secure with 2 screws 19 and 5 screws 17 gt Connect the fan cabling on the motherboard X35 X36 and X37 FAN gt Reinsert the front unit into the instrument and secure to the front frame with 4 countersunk screws 610 gt Refit the c
29. 1 3 m nach Zeichnung 1096 0003 00 einlegen MaBstab Werkstoff Toleranz See 1 2 e T ROHDF amp SCHWARZ Geraeterahmen ZVB 7 Sh m ZNB Me F ZVB Zeichn Nr Drawing No F D 152 in 1145 1290 01 i 2007 10 15 1145 1332 00 5 6 7 3 1 rs ee er gt gt UJ N UN 10 WAWA a NS For this document all rights are reserved Fur dieses Dokument behalten wir uns alle Rechte vor E Projektions 16 Projecti Method this Page is only for Servicemanual MaBstab Toleranz Werkstoff Material ROHDE amp SCHWARZ Geraeterahmen ZVB Me 0 F ZVB Zeichn Nr Drawing No Wie 15 06 2004 1145 1332 00 D F 1 ubl o We 5 3x VAR08 VAR23 VAROS 22 890 8so 2s second VAR20 end on VAR23 For this document all rights are reserved F r dieses Dokument behalten wir uns alle Rechte vor Variantenerklaerung Versions VAROS S GHZ DO 800 VAR08 008 4 86 ZZ S IO ROG 4 86 IE 009 286 4 E R20 Projektions methode 020 2 Projection 2 2 Method m E D23 806 JVAR22 Iun We mem Werkstoff Scale Tol Material Benennung Designation Sprache Lang Aei C Bl
30. 10 dB 15 dB 20 25 30 dB 35 dB 40 45 dB 50 dB 55 60 65 70 dB 75 80 dB 85 dB 90 15 dB 10 48 i 5 dB 5 dB 10 15 dB 20 dB 25 dB 30 35 dB 40 45 dB 50 55 dB 60 65 dB 70 dB 75 dB 1145 1078 82 1 29 4 Performance Test Report R amp S ZVB Parameter Covered on Min value Actual value Max value Measurement tolerance U OG O OOO OO GQ G N N N N N N ZN N N N N N N N Port __ 0 06 dB Power linearity w Opt B21 B22 B23 R amp S ZVB4 and R amp S ZVB8 only Reference 10 dBm 4GHz 15dB 10 dB 5 dB i 5 1 f 10 dB 15 dB 1 20 25 dB 30 dB 35 dB 40 dB 45 dB 50 dB 55 dB 60 dB 65 dB 70 dB 75 dB 80 dB 85 dB 90 dB R amp S ZVB8 only 4 1 GHz 12 E 10 dB 5 dB 5 dB 10 1 15 20 dB 25 30 dB 35 40 45 50 dB 55 dB 60 65 dB 70 dB 1145 1078 82 1 30 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance G N N
31. 3 0 V 10 0 V 9 Input 10 0 V 3 0 V 0 1 V 0 1 V 3 0 V 10 0 V 1145 1078 82 Actual value Max value 0 275 0 10 0 0275 0 0275 0 10 0 275 0 275 0 10 0 0275 0 0275 0 10 0 275 1 44 R amp S ZVB Unit Measurement tolerance 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Opt R amp S ZVB20 B80 Page 1 16 a1 2 MHz a1 10 MHz b1 2 MHz b1 10 MHz a2 2 MHz a2 10 MHz b2 2 MHz b2 10 MHz Opt R amp S ZVB20 B81 Page 1 17 Port Directivity Test frequency 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 1 0 GHz 2 0 GHz 3 0 GHz 4 0 GHz 5 0 GHz 6 0 GHz 7 0 GHz 8 0 GHz 9 0 GHz Dynamic range Test frequency 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 700 MHz 1 0 GHz 2 0 GHz 3 0 GHz 4 0 GHz 5 0 GHz 6 0 GHz 7 0 GHz 8 0 GHz 9 0 GHz 1145 1078 82 1 45 4 R amp S ZVB Table of Contents Alignment Table of Contents Chapter 2 Alignment 2 Alignment e nece epi peine 2 3 Service Meni u u uper 2 3 Manual Alignment and Recording Correction Values U eene enn 2 4 Test Equipment nati decedens 2 4 Aligning the Frequency serre neee ereenn 2 6 Aligning the DC Isi ieee eects 2 7 Correction Value Recording and Factory System Error
32. Datum 17 07 06 Abteilung LESK Zeichn Nr Drawing Nr Date Dept Name pull 1145 2180 00 44 9530 00 1096 4821 00 4 ST Niet 48 3288 00 2x 965 156 2 5 6 4 ona 2 3 LI 1145 1803 00 1145 1726 00 1096 4821 00 4x ST Niet 1164 2101 00 1148 2646 00 5x 01 7985 158 4 6 4 0082 4586 00 5 DIN433 4 3 A4 1145 1678 00 1096 4821 00 8x ST Niet 1145 2097 00 1096 4821 00 4x ST Niet 1145 1655 00 1096 4821 00 4x ST Niet 0001 9447 00 60 00 0974 00 2 48 5288 00 4x 965 15 2 5 4 A 1145 2200 00 3 Luefter blaest ins Gehaeuse AUF PFEIL ACHTEN Luefter muss so montiert werden das die Anschlusskabel nach unten weggehen 1148 2652 00 12x 0 1 7985 158 4 8 4 0082 4586 00 12 1145 1761 00 1096 4821 00 5x ST Niet J ER UNS N Ma RAN N WN For this document all rights reserved 0061 1520 00 F r dieses Dokument behalten wir uns alle Rechte vor 2 DIN433 4 3 A4 1 01 965 5 2 5 6 4 Projektions methode 0396 1035 00 1 3 m 0061 1520 00 Gr nach Zeichnung 1096 0003 00 einlegen See Rueckwanne oeklebt 0396 1035 00 1 3 m nach Zeichnung 1096 0003 00 einlegen 0396 1035 00
33. MEAS CUT SMA A502 RM8_BR LF RM RF REF 7 502 X19 9 kot Pl A501 RM RF MEAS RNB BR RF 05 RM8 BR UNIT SOURCE IN DE amp SCHWARZ 5 7 8 to 10 MOTHERBOARD W166 RM2 LOCAL A B 3s 5 d E 1 a of K n SF S from 10 RM UNIT ZVB 4 8 GHz MOD 04 08 15 RM2 SOURCE from 10 MOTHERBOARD A160 SYNTH L 1 169 D SPLITTER ATTENUATOR CONTROL P12 STEP ATTEN ZVB PORTI Benennung Designat ZVB NETWORK ANALYZER Datum Date 07 02 14 1145 1010 01 5 6 7 8 E MODELS 1145 1010 04 ZVB4 2PORT 1145 1010 08 ZVB8 2PORT Zeichn Nr Drawing No Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved A600 LO DIVIDI A 5 X12 2 LO4_SY LO_OUT LO3_SY from 10 MOTHERBOARD A150 SYNTH L 2 X156 lt from 10 MOTHERBOARD to 10 MOTHERBOARD to A10 MOTHERBOARD to A10 MOTHERBOARD NETW CONTR A140 NETW CONTR A130 NETW CONTR A140 B to A10 MOTHERBOARD B 14530 510 t c AN v Y 4 2520 540 128 UNIT ZVB 20 GHz 2 50 2 9 2 a 5 lt LO al c lt 2 2E JE IE JE E
34. SY4 12 Synthesizer2 21 Reflectometer1 0 all board 1 GEN 2 REC 22 Reflectometer 2 23 Reflectometer 3 24 Reflectometer 4 1145 1078 82 3 65 E 4 Instrument Construction and Function Description R amp S ZVB Group 1 General Functions Functions Servicefunction Data Serv Lev Enables disables the peak detector and RMS 1 0 0 1 X 0 Use disabled 2 detector independently of the model 1 Use enabled Enable disables the arbitrary mode settings in 1 0 0 5 X 0 Use disabled 2 the port configuration e g LowNoise LowDistortion independently of the model 1 Use enabled Activates or deactivates the setting of measured 1 1 0 2 X 0 gt Deactivate default values 0 values to default values when status messages are issued due to HW faults 1 Activate default values Activates or deactivates factory calibration for 1 1 0 3 0 Deactivate factory calibration 0 the active setup 1 Activate factory calibration Group 2 General Functions Functions Service function Data Serv Lev Suppress error message box 2 0 0 0 X X 0 gt MSG box is output default state 1 X 1 MSG box is suppressed error is nevertheless entered in the log file Selftest all boards 2 0 0 5 0 0 0 1 2 Network controller Functions Service function Data Serv lev ND1 Read Temp addr 68 2 1 2 3 1 ND2 Read Temp addr 68 2 2
35. and as a rule it is specified when the instrument is ordered When it is retrofitted the frequency reference board must be replaced replace mod 02 or mod 04 with mod 05 Installing hardware options CAUTION Before installing the options disconnect the mains cable Observe the safety instructions at the beginning of this manual The boards in the instrument are electrostatically sensitive devices ESD The appropriate handling instructions for these devices must be observed ESD workstation gt Turn off the instrument and disconnect the mains cable gt Unscrew the 4 back panel feet 460 and pull off the enclosure 400 towards the rear gt Follow the replacement instructions in Chapter 3 gt When installation has been completed push the enclosure back into position and refit the the back panel feet CAUTION When replacing the enclosure ensure that no cables are damaged or pulled out gt Connect the mains cable and turn on the instrument 1145 1078 82 4 2 E 4 R amp S ZVB Contents Documents Contents Chapter 5 Documents 5i DOCUMENTS usuy 222555 555255 5552 55 CEDE ne ee OP OD EE 5 1 uu asuaka a ss 5 1 Available Power CableS l otii ERE Se E c c ud repetenda 5 1 Spare Parts List emm 5 2 Mechanical Drawing u LI IIIa Tz 5 2 Block Circuit
36. calibration at the end of the cable Connect the end of the test cable to port 1 on R amp S ZVB 2 Measurement Read off the network analyzer s marker values for marker frequencies see Performance Test Report 1145 1078 82 1 12 4 R amp S ZVB Performance Test Checking the Dynamic Range Test equipment Test setup R amp S ZVB settings Measurement Calculation 1145 1078 82 Calibration kit N see Chapter Test Equipment Item 4 Connect Short Male to port1 and port 2 port 3 and port 4 use Short Female with Through Male as a second Short Male Preset Meas Ratios b1 a2 Drive Port 2 Meas Ratios b2 a1 Drive Port 1 Meas Ratios b3 a4 Drive Port 4 Meas Ratios b4 a3 Drive Port 3 Power Max spec Power Meas Bandwidth 10 Hz Marker Sweep Sweep Type CW Mode CW Frequency fcen Service Function 1 0 0 1 1 see chapter 3 Service Functions Service Level 2 Measure Wave Quantities More Wave Quantities Properties Detector RMS Meas Time 500ms Sweep Single Restart For measurement frequencies see Performance Test Report Read off marker value Nominal dynamic range see Performance Test Report Performance Test R amp S ZVB Checking the Dynamic Range reduced due to Spurious Only with Instruments fitted with Synthesizers 1145 xxxx Test equipment Cali
37. enthalten in contained in KABELSATZ ZVB SET OF CABLE ZVB 1302 5044 01 ZE REFLECTOMETER 20 SMA W165 V 1 al m 4 g m a E a 8 E z e 2 5A 4 El e D L s to A10 MOTHERBOARD NETW CONTR A140 A MEAS 200 W504A V ER A V I m W505 OPTION TEC o Js ll ZVB14 B16 MEAS OUT ZVB20 B16 d only MOD 17 23 BERN W501A ON a 218 E SMA E f ul 5 W503 s lt L eS 813 REF_OUT ole Un a B 6 RF MEAS SMP x W168 W149 iy IF MAS e D a A503 45 RECEIVER 20 STR ATT2 peg STR ATTI X16 A502 REFLECTOMETER 20 X MEAS OUT REF OUT 504 20 x2 Xl X x12 xu dd mp W169 GEN IN A501 RM SOURCE COUPLER 24 D RM 2 A500 ZE REFLECTOMETER 20 MOD 02 PORT 2 OPTION 534 ZVB14 B16 ZVB20 B16 _ 83355 only MOD 17 23 SOURCE sour MODELS E 9 9 SOURCE OUT REF_ouT MEAS OUT 21 04 8 SOURCE IN REF IN MEAS I FRONT PANEL TOP VIEW FRONT PANEL Benennung Designat ZVB NETWORK ANALYZER DE amp SCHWARZ 5 Datum Date Abteil H ne 07 02 14 6 7
38. 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 ZM CABLE SET ZVB 4PORT 1302 5044 22 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 VS 965 ISR M3X16 A4 PA 1300 0868 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 MZ COVER PLATE ZVB20 1302 4690 00 VS 6900 ISR M2 5X6 A2 1148 3059 00 RM UNIT ZVB14 20 2PORT 1305 4790 23 A510 A520 CABLE LOOM ZVB14 20 2PORT 1145 1078 82 1302 5044 23 5 5 E 4 R amp S ZVB Position Designation REFLECTOMETER RAIL ZVB20 4PORT List of ZVB parts including spare parts Stock No 1305 4710 00 Electrical Designation Recommended spare parts REFLECTOMETER RAIL2 ZVB20 4PORT 1305 4703 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 RM UNIT ZVB14 20 4PORT 1305 4790 25 A530 A540 CABLE LOOM ZVB14 20 4PORT 1302 5044 25 MZ REAR PLATE 1145 1903 00 VS 6900 ISR M2 5X6 A2 1148 3059 00 2XRJ45 COUPLER JACK STRAIGHT 1093 9122 00 X241 X242 SILICON CORD 4x8 MM 1130 0164 00 DG PATCHCABLE 0041 9283 00 W241 W242 DY IEC IEEE BUS CABLE W21 1129 7252 00 W21 VS DIN125 A3 2 A4 0082 4670 00 VS DIN137 A3 A2 0005 0296 00 VS DIN934 M3 A4 0016 4398 00 MP COVER 25 PIN SUB D 1093 9000 00 MP COVER FOR IEC IEEE BUS 0852 0450 00 MP CAP RD11 1 9 9 0009 9217 00 ADHESIVE FOIL 33x68 00
39. 01 DISPLAY UNIT 1145 2516 00 1145 2500 00 1145 2400 00 1302 4619 00 1164 1986 00 1305 4855 00 1069 2144 00 1069 3011 00 1069 3105 00 800 ZM MOUNTING TROUGH ZVB4 8 3 PORT 801 ZM MOUNTING TROUGH ZVB4 8 4 805 ZM MOUNTING TROUGH ZVB20 3 PORT 806 ZM MOUNTING TROUGH ZVB20 4 PORT 807 ZM MOUNTING TROUGH ZVI 808 ZM MOUNTING TROUGH ZVB14 20 2 4 PORT 810 OP SCREENED FILTER GLASS UPL UPD 820 MZ RF SPRING 177 830 MZ RF CLIP 137 840 MB DISK HOLDER 0852 0850 00 1145 1078 82 5 10 E 4 R amp S ZVB Position Designation VS 965 ISR M2 5X5 A4 PA MM PROTECTIVE COLLAR 9 6X13 9 List of ZVB parts including spare parts Stock No 1148 2752 00 0852 1234 00 Electrical Designation Recommended spare parts FLEXIBLE SWITCH BOARD 1145 1990 00 SB KEY PAD 68T ZVB Mod 08 80 1145 2000 00 SB KEY PAD ZVB 4 PORT Mod 09 22 1145 2439 00 SB KEY PAD 68T Mod 20 1145 5050 00 SB KEY PAD ZVB 4 PORT Mod 23 1305 4726 00 ZM SUPPORT PLATE ZVB 3T 1145 2522 00 ZM SUPPORT PLATE ZVB 4T 1145 2539 00 VS 965 ISR M2 5X5 A4 PA 1148 2752 00 VS 965 ISR M2 5X5 A4 PA Mod 23 1148 2752 00 WW ADHESIVE FOAM 0852 1805 00 800X600X3 8 4INCH 0048 8599 00 MZ DISPL HF SHIELD 1302 4490 00 VS 6900 ISR M2 5X8 A2 0041 1653 00 BP VNR 08C351 INV 0048 8760 0
40. 02 08 1145 1010 01 D 5 6 7 8 MOD14 20 see connector designation of cables and motherboard 188 21 for cable mounting a Em gt 1 3 1 7 77 i 11 17 i I Ly n Tim M _ CU T HIHI f H c ine ba 7 7 gt HE b R g i 22 9 24 ISE Rm pasara Set Fa 1 1 1j us F r dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved SS S EG SS 8 m if 5 N I rz 1 2 i o Toleranz Scale Tol Sprache Lang Aei Z C I Blatt Sh see connector designation 02 00 of cables and motherboard Teichn Nr 7 Drowing awing for cable mounting i 1010 01 C For this document all rights are reserved 22 C SO d CA S 227 F r dieses Dokument behalten wir uns alle Rechte vor Ss fu 2 Y 2 L ZZ LASS Cave E Projektions methode QO Projection Method THIS PAGE IS ONLY FOR MOD 1 75 193 235 25 FOR MOD19 and 25 SEE PAGE 7 TO see connector designation of cables and motherboard ee id for cable m
41. 1078 82 1 4 4 R amp S ZVB Performance Test Checking the Harmonics Instrument Test setup Spectrum analyzer settings R amp S ZVB settings Measurement Calculation 1145 1078 82 Spectrum analyzer see Chapter Test Equipment Item1 Test cable see Chapter Test Equipment Item7 Connect the spectrum analyzer to port1 port 2 to port 4 Note Synchronize the reference oscillators in the spectrum analyzer and in the R amp S ZVB PRESET FREQ feen 2 foen foen SPAN ZERO SPAN BW MANUAL RES BW 100 Hz MARKER DETECTOR RMS REF LEVEL 10 dBm For measurement frequencies see Performance Test Report Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 a3 Src Port 3 a4 Src Port 4 Sweep Sweep CW Mode CW Frequency fcen Power 8 dBm Sweep Single Restart For measurement frequencies see Performance Test Report Read off the levels Lagen n 1 2 3 indicated by the spectrum analyzer s markers Harmonics Ly gen Ligen cable loss in dB The cable loss corresponds to the Sz of the test cable used between the fundamental and the measured harmonic S5 is negative 1 5 4 Performance Test R amp S ZVB Checking the Maximum Output Power Instrument Power sensor or Power meter with power sensor see Chapter Test Equipment Item2
42. 2 3 1 ND 1 2 Selftest 2 1 2 2 5 0 0 0 10r 2 NA1 Read Temp addr 69 2 1 3 3 1 NA2 Read Temp addr 69 2 2 3 3 1 1145 1078 82 3 66 E 4 R amp S ZVB Instrument Construction and Function Description Motherboard Functions Service function Data Serv lev MB Fan manual 2 5 0 11 1 X X 0to5 1 MB Fan automatic 2 5 0 11 0 1 MB Read Temp 2 5 0 3 1 1 Front NC addr 205 MB Read Temp 2 5 0 3 2 1 Rear SY addr 204 MB Read Temp 2 5 0 3 3 1 Back PS addr 202 Frequency reference Functions Service function Data Serv lev FR Selftest 2 9 0 5 0 0 0 10r2 Reflectometers Functions Service function Data Serv lev RM 1 4 Fan manual 2 21 24 0 11 X X 1to5 1 RM 1 4 Fan automatic 2 21 24 0 11 0 1 RM 1 4 Read Temp Gen 2 21 24 1 3 1 RM 1 4 Read Temp Rec 2 21 24 2 3 1 RM 1 4 Selftest 2 21 24 0 5 X 0to4 1 RM 1 4 Read OVL 2 21 24 0 12 1 RM 1 4 OVL Reset 2 21 24 0 13 1 1 4 Generator Selftest 2 21 24 1 5 0 0 0 1 or 2 RM 1 4 IF shift 2 21 24 2 18 ZF IF in Hz 0 0 IF via shift table 1145 1078 82 3 67 E 4 Instrument Construction and Function Description Determining which Boards are defective R amp S ZVB The table below lists boards that are probably defective based on the faults that occurred during the performance test Defective board Prob
43. 4 ports countersunk screws 298 1145 1078 82 3 69 E 4 Instrument Construction and Function Description R amp S ZVB Testing the frequency reference board see Test Equipment gt Remove the board from the instrument gt Reinsert board and extension card gt Connect the output to be tested to the spectrum analyzer using an adapter cable and adapter SMA N gt Set the frequencies listed in the table gt Check signals according to following table Signal Connector Frequency Nom level Setting NA1_AD_CLK X103 80 MHz 10 dBm 1dB NA2_AD_CLK X104 80 MHz 10 dBm 1dB SY1_REF X105 128 MHz 10 dBm 1dB SY2_REF X106 128 MHz 10 dBm 1dB REF_10_OUTIN X107 10 MHz 6 dBm 1dB Menu System Internal Reference The board must be replaced if the signal is more than 2 dB below the stated nominal level gt Connect the frequency reference output of the spectrum analyzer to X107 REF 10 OUTIN using an adapter cable and adapter SMA N gt Connect X105 or X106 SY1 REF or SY2 REF to the spectrum analyzer using an adapter cable and adapter R amp S SMA N The 128 MHz signal s frequency must precisely equal its nominal frequency If the frequency differs in any way e g 128 001 MHz replace the board 1145 1078 82 3 70 E 4 R amp S ZVB Instrument Construction and Function Description Testing the Synthesizer Board N B Synthesizers with part numbers 1145 xxxx or 1300 xxxx are no longe
44. 5515 00 W23 750 DX POWER SUPPLY CABLE 8P 1145 5521 00 W24 755 DX POWER SUPPLY CABLE 10P 1145 5538 00 W25 756 VS DIN137 A3 A2 0005 0296 00 757 VS DIN137 A4 A2 0005 0315 00 760 FN POWERFILTER WITH SWITCH 1145 5067 00 X200 x 765 VS 965 ISR M3X8 A4 PA 1148 2798 00 770 ZE POWER UNIT ZVAB 1145 3893 00 Z20 771 DZ GROMMET 7 12 16 0099 3520 00 772 VS 965 ISR M3X8 A4 PA 1148 2798 00 775 DX CABLE 1090 3881 00 W201 778 OS LABEL RD11 EARTH SYMBOL 0042 5330 00 1145 1078 82 5 9 E 4 R amp S ZVB Position Designation VS 965 ISR M4X10 A4 PA List of ZVB parts including spare parts Stock No 1148 2823 00 0016 2837 00 Electrical Designation Recommended spare parts 0432 4311 00 0438 0453 00 0005 0315 00 0016 4400 00 0042 5169 00 1145 3235 00 1145 5238 00 A20 1145 2468 00 0082 4586 00 1148 2646 00 1148 3059 00 1148 3288 00 0048 7540 00 1099 8570 00 782 VS DIN6797 A4 3 A2 784 FV FLAT CONNECTOR GR 6 3 785 FV FLAT CONNECTOR GR 6 3 786 VS DIN137 A4 A2 787 VS DIN934 M4 A4 788 OS LABEL 25MM HIGH VOLTAGE FLASH 789 MZ PROTECTION COVER 790 GJ SWITCHING POWER SUPPLY 791 MZ POWER SUPPLY PLATE 792 VS DIN433 4 3 A4 793 VS 7985 ISR M4X6 A4 PA 795 VS 6900 ISR M2 5X6 A2 796 VS 965 ISR M2 5X6 A4 PA 797 HS IMAGE SOFTWARE 798 HS WINDOWS XP EMBEDDED 799 OS BARCODE LABEL FOR PCB 0071 7714 00 DRAWING 1145 1384
45. 5889 00 2 SMA male to SMA male BNC cable 1mto2m long BNC male to BNC male 1100 8850 00 Adapter SMA female to N maie female to N male 2 sess C S OL SMP adapter SMP adapter SMP female to SMP female female SMP female to SMP female SMP female Adapter board Extension 150 mm high 48 pins LIII 2 mm pitch Conn Cables for 4 pin mini DIN plug R amp S ZV Z71 1164 1005 02 DC Inputs 1145 1078 82 3 54 E 4 R amp S ZVB Instrument Construction and Function Description Troubleshooting Power up Problems e Fault It is not possible to turn on the R amp S ZVB Action Check mains switch on the rear panel 0 Check LED is yellow U Turn on instrument Check LED is green 0 e Fault Fan working Action Check voltage at connector X35 X36 X37 pin 3 nom value 12 V Select Service Function Set Service Level 1 Set Service Function 2 5 0 11 1 5 max fan speed Check voltage at connector X35 X36 X37 pin 3 nom value 0 9V 1145 1078 82 Cause of fault remedy Mains switch OFF Turn on at mains switch LED does not come on gt Measure voltage at X92 C23 Front module controller Nom value 13 5 V 1V Nom value reached Fault in key pad or controller No voltage Power supply defective or short to12 V standby LED does not come on gt Measure the PWR ON signal at power supply X92 B24 lt 1V for ON Voltage gt 1V Key pa
46. 801 805 gt The flexible switch board 860 and the key pad 870 875 can now be replaced Installing a new flexible switch board key pad and reassembling the instrument gt Insert the new flexible switch board 860 into the keyboard frame 800 801 805 from behind N B The positioning pins must be inserted in the holes in the keyboard frame gt Place the new key pad 870 875 on the rear of the flexible switch board 860 1145 1078 82 3 30 E 4 R amp S ZVB Instrument Construction and Function Description Note Thread the foil cable 8 connector through the slot in the mounting tray Position the key pad so that the pins on the flexible switch board pass through the holes in the key pad gt Place the rear of the display unit on the key pad 870 875 N B Position the display unit so that the pins on the flexible switch board pass through the holes in the mounting tray gt Press the front unit together with the key side upwards turn and screw back together again with 10 countersunkl screws 890 gt Place the front unit with the key side on top of the instrument so that the cables can be connected to the front module controller gt Reconnect the cables to the front module controller ensuring correct polarity Front Module Controller Typ FMR6 Connector for rotary pulse generator Contact side of switching foil keyboard up
47. 900V 2 300V 2 112V PASSED 128_VCXO 0 800V 4 000V 2 696V PASSED ADC_CLK 0 800V 4 000V 2 060V PASSED 10V_A SUPPLY 1 900V 2 300V 2 128V PASSED 5V_A SUPPLY 2 100V 2 500V 2 264V PASSED Voltages Nd1 Test description Min Max Result State 5VA_ADC 2 250V 2 750V 2 488V PASSED 2 5VD_MDD1 1 125V 1 375V 1 264V PASSED 2 5VD_MDD2 1 125V 1 375V 1 264V PASSED 1 5VD_FCON 0 675V 0 825V 0 752V PASSED 5VA_ADC 2 250V 2 750V 2 464V PASSED DGND1 0 000V 0 200V 0 000V PASSED DGND2 0 000V 0 200V 0 000V PASSED AGND 0 000V 0 200V 0 000V PASSED Voltages 2 Test description Min Max Result State 5VA ADC 2 250V 2 750V 2 484V PASSED 2 5VD_MDD1 1 125V 1 375V 1 260V PASSED 1145 1078 82 3 59 E 4 Instrument Construction and Function Description R amp S ZVB 2 5VD_MDD2 1 125V 1 375V 1 260V PASSED 1 5VD_FCON 0 675V 0 825V 0 752V PASSED 5VA_ADC 2 250V 2 750 2 460 PASSED DGND1 0 000V 0 200V 0 000V PASSED DGND2 0 000V 0 200V 0 000V PASSED AGND 0 000V 0 200V 0 000V PASSED Voltages Sy1 DDSCON Test description Min Max Result State 10V_A SUPPLY 1 500V 2 000V 1 752V PASSED 5V_A SUPPLY 1 300V 1 800V 1 560V PASSED 5V_REF 1 300V 1 800V 1 568V PASSED 7V_A SUPPLY 1 400V 1 900V 1 628V PASSED Voltages Sy2 DDSCON Test description Min Max Result State 10V_A SUPPLY 1 500V 2 000V 1 752V PASSED 5V_A SUPPLY 1 300V 1 800V 1 560V PASSED 5V_REF 1 300V 1 800V 1 564V PASSED 7V_A SUPPLY 1 400V 1 900V 1 616V PASSED Voltages Rm1 Test des
48. AND SCHIELDING 630 1145 5115 00 1 W12 596 DZ FEED THROUGH RD8XRD14X8 0062 1146 00 1 597 DZ CABLE TIE RD 1 TO 25 B2 0015 9038 00 7 600 ZM DISPLAY UNIT ZVB 1145 1384 08 1 A1 601 ZM DISPLAY UNIT ZVB 1145 1384 09 1 A1 602 ZM DISPLAY UNIT ZVB 1145 1384 20 1 A1 603 ZM DISPLAY UNIT ZVI 1145 1384 80 1 A1 604 ZM DISPLAY UNIT ZVB 1145 1384 22 1 A1 605 ZM DISPLAY UNIT ZVB 1145 1384 23 1 A1 Mod 23 610 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 1145 1078 82 5 8 E 4 R amp S ZVB Position Designation GP 3 5 FLOPPY DRIVE SLIM List of ZVB parts including spare parts Stock No 0048 6638 00 Electrical Designation Recommended spare parts 680 MZ FLOPPY MOUNT 1093 4620 00 690 DF FLEX STRIP CONNECTOR 26P R 1 1091 2066 00 W300 700 VS 6900 ISR M2 5X6 A2 1148 3059 00 702 VS 7985 ISR M2 5X4 A4 PA 1148 2717 00 704 VS DIN127 B2 5 A4 0082 4786 00 710 ZE HD WITH FIRMWARE ZVAB 1145 1178 02 A60 x 715 SATA DATA CABLE 265 1091 3440 00 W11 x 716 SATA POWER CABLE 285 1091 3427 00 W13 x 720 MZ DISK MOUNT 1093 4837 00 725 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 730 VS 965 ISR M3X5 A4 PA 1148 2775 00 735 ED AC FUSE BOARD 1145 3906 02 A21 x 736 MZ PROTECTION COVER 1300 0845 00 737 VS 7985 ISR M3X10 A4 PA 1148 2623 00 738 OS LABEL 25MM HIGH VOLTAGE 0042 5169 00 FLASH 740 DY CABLE FOR ZVBA POWER SUPPLY 1145 5544 00 W22 x 745 DX POWER SUPPLY CABLE 6P 1145
49. Carefully place the bridge unit on the reflectometer and secure with 3 screws 160 Screw the MEAS REF and GEN cables 310 320 300 to the bridge unit and then tighten at both ends N B When tightening with a 7 mm spanner support the cable Reassembling the instrument VON Vv Reinstall the Reflectometer see chapter Replacing Reflectometer 8 510 to 540 Connect the mains cable and turn on at the mains switch The instrument is now in standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Record generator and receiver correction data see Recording Correction Data Perform factory system error calibration see Factory System Error Calibration 1145 1078 82 3 46 E 4 R amp S ZVB Instrument Construction and Function Description Replacing a Reflectometer RM20 A510 to 540 See Chapter 5 Spare Parts List Items 180 185 190 and drawings 1145 1010 1302 4425 The boards are located under the motherboard Opening the instrument and removing the board gt gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Remove the bottom instrument cover 297 after undoing the 12 countersunk screws 299 Disconnect the 3 cables to the coupler the LO cable the two IF cables and the 50 pin control cable from the ref
50. Feb a rte Lab be E eoe aw 3 84 Block diagram of the R amp S ZVB4 and R amp S ZVB8 2 3 2 Block diagram of the R amp S ZVB4 and R amp S ZVB8 ports with LO Divider 3 3 Block diagram of the R amp S ZVB4 and R amp S ZVB8 ports without LO Divider 3 4 Block diagram of the R amp S ZVB4 and R amp S ZVB8 4 ports with LO Divider 3 5 Block diagram of the R amp S ZVB4 and R amp S ZVB8 4 ports without LO Divider 3 6 Block diagram of the R amp S ZVB14 and R amp S ZVB20 2 3 7 Block diagram of the R amp S ZVB14 and R amp S ZVB20 2 ports with option B16 3 8 Block diagram of the R amp S ZVB14 and R amp S ZVB20 4 3 9 Block diagram of the R amp S ZVB14 and R amp S ZVB20 4 ports with option B16 3 10 1145 1078 82 1 3 2 4 R amp S ZVB Instrument Construction and Function Description 3 Repairs This chapter describes the R amp S ZVB s construction simple procedures for repairs troubleshooting and board replacement A selftest which checks the diagnostic voltages of the board and indicates limit violations is provided for troubleshooting and diagnostics Chapter 4 of this service manual describes the installation of options and firmware updates Instrument Construction and Fu
51. Isolation of source switch1 to 4 R amp S ZVB frequency 8 GHz Port no Port setting Source output Isolation Port1 inactive X165 90 dBc 5 dB i Port2 active X166 Port1 active X165 Port2 inactive X166 90 dBc 5 dB Port3 inactive X168 90 dBc 5 dB Port4 active X169 Port3 active X168 i Port4 inactive X169 90 dBc 5 dB The cable loss must also be taken into account at the stated levels For the specified cable it is 0 25 dB GHz 0 5 m 0 5 dB GHz 1 m The board must be replaced if the level is more than 2 dB below the specified value or the other values are more than 2 dB above their specified value Synthesizer2 or synthesizer1 for R amp S ZVB4 8 2 ports gt Disconnect the LO cable at the LO divider or at the reflectometer gt Connect the end of the LO cable to the spectrum analyzer input using an adapter cable and adapter SMA N N B Bend the source cable as little as possible if necessary secure adapter cable with adhesive tape Setthe frequencies listed in the table above on the R amp S ZVB and check the values 1145 1078 82 3 73 E 4 Instrument Construction and Function Description R amp S ZVB Testing the Reflectometer RM8 Generator levels is assumed that the synthesizer section synthesizer1 associated with the reflectometer to be tested is OK gt Loosen cable W514 GEN gt Bridge unit at both ends and screw off at the generator output GEN Note When loose
52. Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance T Page 1 10 0 06 dB BES linearity Reference 10 dBm R amp S ZVB14 ZVB20 8 1 GHz 15 1 10 5 5 dB 10 dB 15 dB 20 dB 25 30 15 10 dB 5 5 dB 10 dB 15 dB 20 1 25 30 R amp S ZVB20 only 20 GHz 15 dB 10 dB 5 5 dB i 10 15 dB 20 dB 25 dB i 30 dB 1145 1078 82 1 35 4 Performance Test Report R amp S ZVB Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance NN Page 1 11 noise level Test frequency R amp S ZVB4 and ZVB8 423 450 kHz 1 12345 MHz 2 12345 MHz 5 12345 MHz R amp S ZVB4 8 ZVB14 20 10 12345 MHz 20 12345 MHz 50 12345 MHz 100 12345 MHz 110 7 200 12345 MHz 110 70 500 12345 MHz 110 70 750 12345 MHz 110 105 1000 12345 MHz 110 105 1500 12345 MHz 110 105 2000 12345 MHz 110 105 2100 12345 MHz 110 105 2500 12345 MHz 110 105 3000 12345 MHz 110 105 3500 12345 MHz 110 105 3999 87655 MHz 110 105 R amp S ZVB8 ZVB14 ZVB20 4100 12345 MHz 4500 12345 MHz 5000 12345 MHz 5050 12345 MHz 5700 12345 MHz 6000 12345 MHz 6350 12345 MHz 6360 12345 MHz 7000 12345 MHz 7500 12345 MHz 7999 87655 MHz R amp S ZVB14 ZVB20
53. Replacing Frequency Reference Board A100 sse emen 3 53 Troubleshooting c 3 54 Test Equipment and Accessories a 3 54 Troubleshooting Power up Problems seen 3 55 Troubleshooting Boot Problems enne enne 3 56 1145 1078 82 1 3 1 4 Instrument Construction and Function Description R amp S ZVB Fig Fig Fig Fig Fig Fig Fig Fig Fig WBWWWWWWW QD GKM Troubleshooting Boot Error uuu au a ua aG asuaka 3 57 Troubleshooting with the Selftest essen nennen emere 3 58 Checking the Temperature Sensors u uuu nnne nns 3 63 Service FUNCIONS zu recie Pet me oe 3 64 Determining which Boards are defective u u u 3 68 Board Tesla 2 3 69 Testing the frequency reference board eee eee 3 70 Testing the Synthesizer Board U u nnn an 3 71 Testing the Reflectometer RM8 U 3 74 Testing the Reflectometer 0 1 ua ua aa 3 78 Testing the k O Divider Beard uuu u uu teet Ee LP a bb 3 82 Testing the Network Controller Board eee 3 83 Testing the Motherboard ud cito tt t Ld
54. S ZVB20 23 2 1 R amp S ZVB20 25 4 1 1 1145 1078 82 3 17 E 4 Instrument Construction and Function Description R amp S ZVB LO divider The LO signal from the synthesizer is distributed via the LO divider board between the receiver boards associated with the reflectometers that have been installed maximum of four reflectometers can be supplied with the LO signal in this way The divider comprises a resistive power divider and a buffer amplifier in each of the four output branches The buffer amplifiers are used to compensate for the power divider loss and to provide decoupling between the reflectometers crosstalk In newer instruments the LO divider is integrated on the synthesizer board see Synthesizers Front unit The front unit comprises a mounting plate on which the LCD the flexible switch board and key pad and the tachogenerator are accommodated The front module controller is mounted in the controller tray in the instrument frame LC display All results and setting information the user requires is displayed on the colour LCD The resolution of the LCD is 800 x 600 pixels SVGA The display has an integral cold cathode tube to provide illumination The high voltage that is required is provided by a dedicated DC AC converter The converter is mounted on the mounting plate next to the display and connected to both the display and the controller board via a cable Keyboard The keyboard comprises a flexible switch board
55. The power supply produces all the voltages required to power the R amp S ZVB It can be turned off with a switch on the instrument s rear panel The power supply is a primary switched power supply with power factor correction PFC and standby circuit 12 V standby On the secondary side it outputs DC voltages 3 4 V 5 2 V 6 5 V 8 25 V 12 25 V 12 V standby 12 25 V The control signal RS_PS_ON which is controlled by the front module controller via the STANDBY ON key at the front of the instrument frame activates the power supply In the standby mode the power supply generates only the 12 V standby voltage to supply a crystal oven and the STANDBY status display on the front panel The secondary voltages are open proof and short proof to ground and mutually open proof and short proof A circuit that prevents overheating is also provided Overheating is indicated to the front module controller via a status signal OT 1145 1078 82 3 19 E 4 Instrument Construction and Function Description R amp S ZVB Motherboard The motherboard supplies power to the boards and connects them to the control and data buses A number of RF connections are also routed via the motherboard As well as straight connections a number of circuits are accommodated on the motherboard Motherboard controller MBCON 28 V supply Preamplifier for the DC measurement inputs Supply voltage fuses Rear panel interfaces Fan control The MBCON u
56. Version Model R amp S ZVB4 R amp S ZVB8 R amp S ZVB14 R amp S ZVB20 Item number 1045 Serial number Tested by Date Signature General All Tables apply to port1 values for ports 2 to 4 are identical Parameter Covered on Min value Actual value Max value Measurement tolerance Frequency deviation Page 1 4 1 GHz 8000 8000 With Option R amp S ZVAB B4 100 100 Port __ Page 1 5 Harmonics Source power 8dBm Freq Harmonics 50 MHz 100 MHz 150 MHz 100 MHz 200 MHz 300 MHz 200 MHz 400 MHz 600 MHz 500 MHz 1000 MHz 1500 MHz 750 MHz 1500 MHz 2250 MHz 1GHz 2 GHz 3 GHz 1 5 GHz GHz 4 5 GHz 2GHz 4GHz 6 GHz 1145 1078 82 1 18 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance Port Page 1 5 Harmonics Source power 8 dBm Freq Harmonics 2 1 GHz 4 2 GHz 6 3 GHz 5 0 GHz 7 5 GHz 6 0 GHz 9 0 GHz 7 GHz 10 5 GHz 8 0 GHz 12 0 GHz R amp S ZVB8 R amp S ZVB14 R amp S ZVB20 4 1 GHz 8 2 GHz 12 3 GHz 5 0 GHz 10 0 GHz 15 0 GHz 5 04 GHz 10 08 GHz 15 12 GHz 5 05 GHz 10 10 GHz 15 15 GHz 6 0 GHz 12 0 GHz 18 0 GHz 6 35 GHz 12 70 GHz 19 05 GHz 6 36 GHz 12 72 GHz 19 08 GHz 7 0 GHz 14 0 GHz 21 0 GHz 8 0 GHz 16 0 GHz 24 0 GHz R amp S ZVB14 R amp S ZVB20 9 0 GHz 18 0 GHz 11 0 GHz 22 0 GHz 1145 1078 82 1 19 4 Performance Test Report R amp S ZVB Parameter Covered on Min value Actual value Max value U
57. When the instrument has been started check the protocol file for errors INFO Error Log gt Record the generator and receiver correction data see Correction Value Recording Perform factory system error calibration see Factory System Error Calibration 1145 1078 82 3 51 E 4 Instrument Construction and Function Description R amp S ZVB Replacing LO Divider A600 See Chapter 5 Spare Parts List Item 125 and drawing 1145 1010 The board is located under the motherboard Opening the instrument and removing the board gt v v ON WV Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Remove the instrument base cover 297 after undoing the 12 countersunk screws 299 R amp S ZVB20 Remove the reflectometer units Disconnect the RF cable and the 12 pin control cable from the LO divider Remove the 2 screws 128 and remove the LO divider Installing the board and reassembling the instrument VV V V V Insert the new board into the instrument and secure with 2 screws 128 Reconnect the RF cable and the 12 pin control cable R amp S ZVB20 Reinstall the reflectometer units Fit the instrument base cover 297 and secure with 12 countersunk screws 299 Push the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now
58. account For the specified cable it is 0 25 dB GHz If the measured values are more than 2 dB below the levels given in the table the coupler unit must be replaced 1145 1078 82 3 80 E 4 R amp S ZVB Instrument Construction and Function Description Coupler Directivity The following is assumed e The generator and receiver sections of the reflectometer associated with the coupler unit are OK gt Screw the SHORT from the calibration kit to the port connector gt Perform a sweep from 10 MHz to 20 GHz measure S11 save measured values Data gt Mem Math Data Mem Screw the MATCH from the calibration kit to the port connector gt The trace gives the directivity Frequency range Directivity 10 MHz to 12 GHz lt 15 dB 12 GHz to 20 GHz lt 10 dB If the measured values are greater the values stated the table the unit must replaced Coupler unit Port Matching It is assumed that there is a functioning reflectometer in the instrument gt Loosen cables W514 GEN gt coupler unit W515 coupler unit gt MEAS and W518 coupler unit gt REF at both ends and unscrew at the coupler unit gt Terminate the coupler unit input and coupler unit outputs with 3 SMA terminations gt Connect test cable to a functioning instrument port and perform a 1 port calibration at the end of the cable gt Connect the end of the test cable to the port of the
59. and can only be removed when the locking device on the foil cable connector has been released Place the key side of the front unit on a clean surface Removing the converter gt Disconnect the cable from the display 910 to the DC AC converter 930 gt Disconnect the converter cable 950 to the DC AC converter 930 gt Remove the DC AC converter 930 by undoing the 2 screws 940 Removing the LCD gt Disconnect the display cable 945 by cutting through the adhesive label 946 gt Remove the display connector 1020 after you have undone the two screws 1040 gt Disconnect the display cable 1030 at the display 910 gt Remove the display 910 after removing the 4 screws 920 1145 1078 82 3 28 E 4 R amp S ZVB Instrument Construction and Function Description Installing and putting into operation a new LCD or converter gt Reinstall the new LCD or new DC AC converter by reversing the disassembly procedure refit all screws and reconnect the cables that have been disconnected drawing 1145 1384 gt When replacing the display 921 or display cable 945 use a new adhesive label 946 to secure the cabling gt Place the key side of the front unit on the top of the instrument so that the cables can be connected to the front module controller gt Carefully connect all cable connectors to the front module controller ensuring that the polarity is correct Front Module Controller Ty
60. enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now in standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Record generator and receiver correction data see Recording Correction Data Perform factory system error calibration see Factory System Error Calibration 1145 1078 82 3 48 E 4 R amp S ZVB Instrument Construction and Function Description Replacing the Reflectometer Fan See Chapter 5 Spare Parts List Item 80 190 and drawings 1145 1010 1145 3664 1145 4277 gt Remove the Reflectometer see chapter Replacing a Reflectometer RMxx A510 to 540 Replacing the fan Disconnect the fan cable at the reflectometer Undo the 4 holding screws 90 194 and remove the fan Insert the new fan cable outlet to the outside Screw back the 4 screws 90 194 and washers 100 192 193 v v Vv ON Reassembling the instrument Reinstall the Reflectometer see chapter Replacing a Reflectometer RMxx A510 to A540 Connect the mains cable turn on at the mains switch and press the ON key Check that the fan is operating Turn off the instrument again and disconnect from the mains Fit the instrument base cover 297 and secure with 12 countersunk screws 299 Push the enclosure 400 back on and screw the 4 rear panel
61. in the standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Record the receiver correction data see Recording Correction Data Perform factory system error calibration see Factory System Error Calibration 1145 1078 82 3 52 E 4 R amp S ZVB Instrument Construction and Function Description Replacing Frequency Reference Board A100 See Chapter 5 Spare Parts List 120 and drawings 1145 1010 1164 1770 Opening the instrument and replacing the board gt gt gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Lift off the instrument top cover 296 after undoing the 23 2 ports or the 28 4 ports countersunk screws 298 Extract the frequency reference board 120 Installing the board and reassembling the instrument Insert the new board into the instrument Refit the instrument top cover 296 with the 23 2 ports or the 28 4 ports countersunk screws 298 Push the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log 1145 1078 82 3 53
62. mains unscrew the 4 rear panel feet 460 and pull off the enclosure 400 backwards gt Lift off the instrument cover 296 at the top after undoing the 23 2 ports or 28 4 ports countersunk screws 298 gt Disconnect the flat cable 15 at the hard disk drive Note Do not pull or push on the flat cable instead carefully lever out the connector strip with a small screwdriver gt Remove the 2 countersunk screws 725 in the hard disk holder 720 gt Remove the hard disk 710 and holder 720 gt Undo the 4 countersunk screws 730 remove the old hard disk and screw the new hard disk to the holder 720 Installing and putting the new hard disk into operation gt Refit the hard disk and holder into the instrument using 2 countersunk screws 725 Note The bottom of the holder is inserted into a sheet metal wall gt Connectthe flat cable 715 to the hard disk Replace the instrument s top cover 296 and screw back into position with 23 or 28 countersunk screws 298 Slide on the enclosure 400 and screw the 4 rear panel feet 460 back into position Connect the mains cable and turn on at the mains switch The instrument is now in standby mode Select Service Level 2 see Service Function When the instrument has been started check the protocol file for errors INFO Error Log Perform the factory system error calibration see Factory System Error Calibration v v v 1145 1078 82
63. optional R amp S ZVB20 B81 External Testset Test equipment Test Setup R amp S ZVAB settings Specifications 1145 1078 82 R amp S ZVA24 with option R amp S ZVA24 B16 and test port cable two Short standards and a Match standard Connect R amp R ZVB20 B81 with R amp R ZVA24 and a connect Shorts at PORT 1 and PORT 2 of R amp S ZVB20 B81 b connect Match at PORT 1 or PORT 2 respectively of R amp S ZVB20 B81 c connect test port cable between PORT 1 and PORT 2 of R amp S ZVB20 B81 d connect Shorts at PORT 1 and PORT 2 of R amp S ZVB20 B81 PRESET STOP FREQUENCY 9 GHz MEAS BANDWIDTH 1 kHz MEAS RATIO b1 a1 SRC PORT 1 and b2 a2 SRC PORT 2 TRACE FUNCTION DATA MEM MATH DATA MEM b read out the indicated directivity and check values POWER 20 dBm MEAS RATIO b2 a1 SRC PORT 1 and b1 a2 SRC PORT 2 TRACE FUNCTION DATA MEM MATH DATA MEM d MEAS BANDWIDTH 10 Hz MEAS Detector RMS Meas Time 1 s read out the indicated dynamic and check values Directivity 10 MHz to 4 GHz gt 20 dB 4 GHz to 6 GHz gt 8 dB 6 GHz to 8 GHz gt 6 dB 8 GHz to 9 GHz gt 4 dB Dynamic range 10 MHz to 100 MHz gt 60 dB 100 MHz to 700 MHz gt 80 dB 700 MHz to 6 GHz gt 100 dB 6 GHz to 9 GHz gt 80 dB Performance Test Report R amp S ZVB Performance Test Report Table 1 1 Performance Test Report ROHDE amp SCHWARZ Performance Test Report R amp S ZVB
64. separate fuse for each board and for each of the power supply voltages used on the board If a FAIL message is output the first action to take is to check the fuse The LO divider board must be removed before the fuses on the motherboard can be checked See Chapter Board Replacement If an internal board voltage is out of tolerance even though the power supply voltages used on the board are OK the board must be replaced 1145 1078 82 3 62 E 4 R amp S ZVB Instrument Construction and Function Description Checking the Temperature Sensors Select Service Level 2 see Service Functions INFO gt Setup Info When the Hardware Info softkey is pressed information about the installed hardware the results of temperature measurements and are displayed Hardware Info Selftest Error Log Del Error Log HEHH Temperature Info Current Temperature Readings Component Sensor Temperature Sensor Temperature Sensor Temperature Motherboard Near NC 33 75 C INear SY 34 75 INear PS 38 50 C Netcon 1 Analog 40 25 C Digital 49 75 C Netcon 2 Analog Digital Reflectometer 1 Generator 38 50 C Receiver 42 50 C Reflectometer2 Generator 36 00 C Receiver 38 75 C Reflectometer3 Generator 38 25 C Receiver 40 25 Reflectometer 4 Generator 39 25 C Receiver 41 75 Highly elevated temperature values indicate a fan failure 1145 1078 82 3 63 E 4 Instrum
65. take off the front handles Remove 3 5 mm connection cables only with option R amp S ZVBx B16 Remove the countersunk screw 390 next to the display and pull off the front cover e g 300 forwards Fit the new front cover and reassemble the instrument by reversing the disassembly procedure Connect the mains cable turn on at the mains switch and press the ON key 1145 1078 82 3 32 E 4 R amp S ZVB Instrument Construction and Function Description Replacing Disk Drive A30 See Chapter 5 Spare Parts List 670 and drawing 1145 1290 Opening the instrument and removing the disk drive gt gt gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Remove the 2 sems screws 700 and carefully lift out the floppy disk drive 670 together with the floppy disk holder 680 N B The floppy cable to the motherboard is still connected Disconnect floppy cable 690 on the floppy disk drive Installing a new disk drive and reassembling the instrument gt gt Release the floppy disk drive by removing the 3 sems screws 702 from the floppy drive holder 680 and insert a new floppy disk drive 670 into the floppy drive holder 680 Connect floppy cable 690 on the floppy disk drive gt Resecure the floppy disk drive 680 from above to the side of the instrument with the fan using 2 sems screws 700 N N Center
66. 0 CONTR A140 4 4 d M d lt H a ed for 4PORT MODELS only 1 uU E Uu E Ui Gy uU Sax ad d So 2S n 2 Sa ES B C fl Sx o8 S l n i 1 zm 1 Iu Bu l A502 RI A502 B on el A502 E on EAIA 23 A502 i S RM8_BR LF x E RM8_BR LF E E RM8_BR LF 5 2 amp RM8 BR LF S 2 502 1 i 502 x zi x502 AU d X502 ye P1 A503 PL a 2 PL 7 m T S 7 501 501 501 501 RM8_BR RF x 4 RM8 BR RF 7 4 RM8_BR RF 4 RM8_BR RF A505 RM8 BR UNIT 505 RM8 BR UNIT S 05 RMB BR UNIT A505 RM8 BR UNIT 4 SOURCE IN X SOURCE IN A50 f SOURCE IN A504 SOURCE IN a at al at d RM8 GENERATOR at mx E x 4 PH if z l a Su SE u Ul gt from 10 530 from 10 510 from 10 540 from 10 9520 RM UNIT ZVB 4 8 GHz RM UNIT ZVB 4 8 GHz RM UNIT ZVB 4 8 GHz RM UNIT ZVB 4 8 GHz MOD 04 08 MOD 04 08 MOD 04 08 MOD 04 08 1166 2 PORT3 RM SOURCE 1 RM SOURCE 4 RM SOURCE PORT2 RM SOURCE from A10 MOTHERBOARD from A10 MOTHERBOARD from A10 MOTHERBOARD from A10 MOTHERBOARD X165 SYNTH A160 X166 SYNTH A160 X168 SYNTH A160 X169 SYNTH A160 E
67. 0 VS 6900 ISR M2 5X6 A2 1148 3059 00 DF CONVERTER CABLE L 310 10PIN 1091 2650 00 EM ROTARY PULSE GENERATOR 1 WITH KEY 0852 2701 00 EM COLLAR 0852 1105 00 OK RD28 AXIS RD6 0852 1086 00 1000 MZ HOLDING BRACKET FOR PCB 1145 2039 00 1010 VS 965 ISR M2 5X5 A4 PA 1148 2752 00 1020 GR DISPL CONNECTOR FMR6 TOSHIB 1091 2637 00 x 1030 DF DISPL CABLE TOSHIBA 1091 2666 00 x 1040 VS 6900 ISR M2 5X6 A2 1148 3059 00 1050 ED USB BOARD 1305 3207 02 A40 x 1145 1078 82 5 11 E 4 R amp S ZVB List of ZVB parts including spare parts Position Designation Stock No Electrical Recommended Designation spare parts VS 965 ISR M2 5X5 A4 PA 1148 2752 00 DRAWING 1302 4960 08 REFLECTOMETER UNIT 4 8 GHz 100 ZE 8 BR UNIT 1145 3593 02 A505 x 110 ED RM8 GENERATOR 1145 4754 02 A504 x 120 ED RM8 RECEIVER 1145 4731 04 A503 125 ED RM8 RECEIVER 1145 4731 08 A503 120 ED RM8 RECEIVER 2 1302 5009 04 A503 x 125 ED RM8 RECEIVER 2 1302 5009 08 A503 x 130 MN COVER B SIDE GEN 8GHZ 1145 3670 00 140 MN COVER A SIDE GEN 8GHZ 1302 5096 00 150 MN COVER B SIDE REC 8GHZ 1302 5109 00 160 VS 965 ISR M2 5X8 A4 PA 1148 3294 00 170 MB INTAKE FUNNEL RM8GHZ 1302 5244 00 180 VS 6900 ISR M2 5X6 A2 1148 3059 00 190 ZE FAN 40x40x10 1145 4590 00 E500 x 192 VS DIN433 3 2 A4 0082 4570 00 193 VS DIN128 A3 A2 0005 24
68. 00V 2 136V PASSED 12V SUPPLY 1 600V 2 000V 1 804V PASSED Voltages Fr Voltages Nd1 Voltages Nd2 Voltages Sy1 DDSCON Voltages Sy2 DDSCON Voltages Rm1 Voltages Rm2 Voltages Rm3 Voltages Rm4 Home 1145 1078 82 3 61 E 4 Instrument Construction and Function Description R amp S ZVB Interpreting the Results of the Selftest Negative voltages are transformed into positive voltages by means of a positive voltage and a resistor network because the A D converters that are used can handle only positive voltages This is why an acceptable negative voltage may elicit a FAIL because the associated positive voltage is out of tolerance The voltages supplied by the power supply are not checked directly The failure of a power supply voltage can however be deduced from FAILs of certain voltages on several boards The following Table shows how the board oriented voltages checked during the selftest are derived from the power supply voltages Power 3 4V 5 2V 6 5V 8 25 V 12 25 V 6 5 V 12 25 V supply Fr 5V_A A 5 V REF 12V STB Nd 42 5 VD MDD1 5 VA ADC 5 VA ADC 42 5 VD MDD2 41 5 VD FCON Sy 5 7V_A 5 V_REF 10 5 V 10 5 12 V 10 5 VB 12 V 12V FAN If the voltages listed in a column are all FAIL the corresponding power supply voltage has failed or is out of tolerance The power supply must then be replaced On the motherboard there is a
69. 01 L m BNC amp X El 2 x 127 82501 5 B 201 1 DC MEAS REF 10 OUTIN 10 MHz REF 5 X210 Pod j ie 55 X215 9 2 g A s Em ET D V O V A V V N E lt E lt Em fy OPTION 5 4 S 5 d m I d Ei g d IEC gt 21 KG zi m o SYSTEM ES ES I Iz m o BUS H H a H H 4 H H H H e e cY oy cd lt lt lt N N N amp m E amp 8 m5 m IEC BUS to A530 to A540 to A520 x9 x8 9 X8 X9 a 245 OPTION w540 to A530 x16 lt gt ws to A510 16 lt gt ws to A540 x16 lt gt to A520 x16 lt gt W230 e OPTION BNC AUX M x230 to A530 11 lt w to 510 11 lt to A540 x11 wm to A520 X11 5 PORT3 RM SOURCE 1 RM SOURCE PORT4 RM SOURCE PORT2 RM SOURCE W242 ER T 28 iti X212 LAN2 RM 3 RM 1 RM 4 RM 2 1 0241 i1 r m 4PORT MODEL aB LANI E Legende legend Benennung Designat Blatt Sh 1 T eee X El 2 DE amp SCHWARz ZVB NETWORK ANALYZER P Cables to RM n enthalten in contained in enthalten in contained in enthalten in contained in semi rigid cable enthalten in contained in GRUNDEINHEIT ZVB DISPLAYEINHEIT ZVB GERAETERAEMEN KABELSATZ ZVBZET OF CABLE ZVB FUNDAMENTAL UNIT DISPLAY UNIT ZVB DEVICE FRAM
70. 01 S E
71. 09 9217 00 MZ COVER ZVB 1145 1849 00 MZ COVER BOTTOM ZVB 1145 1961 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 KB FRONT COVER ZVB4 2 PORT 1145 1403 00 KB FRONT COVER ZVB 4 1145 1426 00 KB FRONT COVER ZVB4 4 PORT 1145 1410 00 KB FRONT COVER ZVB8 2 PORT 1145 1455 00 KB FRONT COVER ZVB 8 1145 1432 00 KB FRONT COVER ZVB8 4 PORT 1145 1461 00 KB FRONT COVER ZVB14 2 PORT 1145 1078 82 1305 4903 00 5 6 E 4 R amp S ZVB List of ZVB parts including spare parts Position Designation Stock No Electrical Recommended Designation spare parts 318 KB FRONT COVER ZVB14 4 PORT 1305 5180 00 320 KB FRONT COVER ZVB20 2 PORT 1145 1490 00 323 KB FRONT COVER ZVB20 3 PORT 1145 1449 00 324 KB FRONT COVER ZVB20 4 PORT 1302 4525 00 327 KB FRONT COVER ZVB14 4 PORT 1305 4890 00 328 KB FRONT COVER ZVB20 2 PORT 1305 4832 00 330 KB FRONT COVER ZVB20 4 PORT 1305 4655 00 390 COUNTERSUNK SCREW 1 6 3 0396 1070 00 LIGHT GREY 400 KR BW2 CASING 5E1 1T350N ZVB 1145 1826 00 401 KR BW2 CASING 6E1 1T350N ZVB 1302 4683 00 405 KR HOLDING HOOK 1096 4796 00 406 KR HOLDING HOOK 1096 4796 00 410 KR BW2 FRONT HANDLE 5E 1096 1497 00 411 KR BW2 FRONT HANDLE 6E 1096 1500 00 420 VS SCREW M4X14 ISR 1096 4896 00 425 VS SCREW M4X14 ISR 1096 4896 00 430 KR
72. 1 Fig 3 6 Block diagram of the R amp S ZVB14 and R amp S ZVB20 2 ports 1145 1078 82 3 7 NETCON DIGITAL gt 1 FREQUENCY OPTION 1 REFERENCE OCXO 1 GRAPHICS DISPLAY POWER SUPPLY E 4 Instrument Construction and Function Description COUPLER PORT 1 PORT1 O 15to 21 MHz PORT2 O NETCON ANALOG 1 R amp S ZVB FRE NETCON DIGITAL 1 gt GRAPHICS DISPLAY ISYNTHESIZER 1 Fig 3 7 Block diagram of the R amp S ZVB14 and R amp S ZVB20 2 ports with option B16 1145 1078 82 3 8 FREQUENCY REFERENCE POWER SUPPLY E 4 R amp S ZVB Instrument Construction and Function Description 15to 21 MHz NETCON ANALOG 1 NETCON DIGITAL 1 COUPLER PORT 2 1111 GRAPHICS SYNTHESIZER 2 SYNTHESIZER 1 DISPLAY COUPLER PORT 3 15to 21 MHz NETCON NETCON ANALOG 2 COUPLER PORT 4 TEF POWER SUPPLY Fig 3 8 Block diagram of the R amp S ZVB14 and R amp S ZVB20 4 ports 1145 1078 82 3 9 E 4 Instrument Construction and Function Description R amp S ZVB COUPLER PORT 1 15 21 MHz NETCON NETCON ANALOG DIGITAL 1 1 COUPLER PORT 2 CPU SYNTHESIZER 2 SYNTHESIZE
73. 10 DISPLAY MB REARPANEL ZVB 2PORT Sheet 1 A V 1 A V 1 50 DISPLAY MB REARPANEL ZVB 3 4PORT Sheet 7 8 d 2 E T 50 ZVB 3 4PORT Sheet 2 for MODEL with LO DIVIDER 2 2 H 3 I D 1145 1010 04 08 ZVB4 8 2PORT Sheet 5 3 3 g g I Jig e m OPT10N 1 1 5 1010 05 06 ZVB4 3 4PORT Sheet 8 to A510 1 to A520 p cu 7 3 4PORT Sheet 3 for MODEL with LO DIVIDER X8 X9 X10 X8 X9 X10 I BUS AR 101 m 1145 1010 09 10 ZVB8 3 4PORT Sheet 8 to A510 x16 lt gt to A520 x16 lt 52 1 w21 ZVB8 3 4PORT Sheet 3 for MODEL with LO DIVIDER 1 1 wl 45 101 to A510 x11 to A520 X11 vid dedi s 5 RM1 SOURCE RM2 SOURCE R P25 j OPTION 1145 d 14 20 ZVB14 20 2PORT Sheet 4 1 2 Ta 1145 1010 19 ZVB14 4PORT Sheet 9 big housing ZVB Bl6 possible 1145 1010 22 ZVB20 4 Sheet 9 OPTION RM 1 RM 2 W230 38 e Aik ZVB20 4PORT Sheet 6 for MODEL with LO DIVIDER 1 1 x230 14 4 5 1010 23 ZVB2 0 2PORT Sh eet 4 big housing ZVB B16 possible O RT 1 0 2 w242 m LAN2 1 1 4 5 101 0 25 ZVB2 0 4PORT Sh eet 9 big housing 2 16 possible pg 115 241 LANI Legende legend Ea R 2 X El 2 REFLECTOMETER enthalten in contained MODEL GRUNDEINHEIT ZVB contained in U semi rigid cable FUNDAMENTAL UNIT 3 1145 1290 01 DEVICE FRA
74. 1078 82 1 23 4 Performance Test Report R amp S ZVB Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Port m Page 1 8 0 06 dB Power linearity w o Opt B21 B22 B23 Reference 10 dBm Freq Level 2 1 GHz 20 dB 15 dB 10 48 5 dB 5 dB i 10 dB 15 dB 1 1 20 ZVB4 8 25 only 30 dB 3 GHz 2048 15 48 10 dB 5 dB 1 1 5 dB 10 15 20 1 ZVB4 8 25 dB only 30 dB 5 4GHz 20dB 1 15 10 dB 5 dB 2 5 dB 1 10 15 dB 20 dB ZVB4 8 25 dB 1 only 30 dB 4 1 GHz 20 dB 15 dB 10 5 dB 5 dB 10 1 15 20 25 dB 30 d 2 1145 1078 82 1 24 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance __ 0 06 Power linearity w o Opt B21 B22 B23 Reference 10 dBm R amp S ZVB8 ZVB14 ZVB20 Freq Level 6 GHz 20 dB 15 dB i 10 dB 5 dB 5 10 15 20 N 25 dB 30 18 15 dB 10 i 5 dB 5 dB 10 dB 15 dB 20 ZVB8 25 dB only 30 R amp S ZVB14 ZVB20 9 GHz 20 dB 15 dB 10 dB 5 dB 5 dB i 10 dB 15 d
75. 1145 1010 14 ZVB14 2PORT 1145 1010 17 ZVB14 2PORT 1145 1010 20 ZVB20 2PORT 1145 1010 23 ZVB20 2PORT big housing big housing 1145 1010 01 S Spr Lang 1 1 Blatt 8h de 16 00 4 Zeichn Nr Drawing No Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved tl to 10 MOTHERBOARD NETW CONTR A140 AA Legende leg RM n REFLECTOMETER ee flex koax cable H onlywith ATT gt 508 SMA EF OUT Nur MEAS CUT x5 x9 RM IF REF X10 RM LOCAL X21 A502 RM8 BR LF RM IF MEAS RM RF REF RM RF MEAS L X502 4 10 AS x503 A303 FJ RM8 RECEIVER X19 tz RM8_BR RF 05 RM8 BR UNIT X504 SOURCE_IN A504 8 GENERATOR 25 15 14 13 16 RM UNIT 2 4 8 GHz MOD 04 08 8168 2 2 RM1 SOURCE m u from 10 MOTHERBOARD W512 2 A160 SYNTH L 1 168 11537 x3 l pa ATTENUATOR CONTROL T lt STEP ATTEN ZVB PORTI end n Ext Cables to A510 A520 enthalten in contained in F semi rigid cable KABELSATZ 2 5 OF CABLE ZVB 1302 5044 01 1145 2545 01 with LO DIVIDER 5A W165 1 LOCAL NETW CONTR A140 gt
76. 3 27 4 Instrument Construction and Function Description R amp S ZVB Replacing LCD A70 and the Converter See Chapter 5 Spare Parts List Items 910 930 and drawings 1145 1290 1145 1384 The LCD and the associated DC AC converter are accommodated on a mounting plate The connection to the front module controller is made with cables which should also be replaced individually The replacement procedure is as follows Opening the instrument and removing the front unit gt Turn off the instrument and disconnect from the mains gt Remove the 4 screws in the front handles 410 left and right and take off the front handles gt Remove 3 5 mm connection cables only with option R amp S ZVBx B16 gt Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards gt Remove the 2 countersunk screws 610 in the top of the frame and the 2 in the bottom gt Remove the countersunk screws 176 4 177 6 178 8 gt Pull out the front unit together with the keyboard and display 600 601 602 603 forwards CAUTION The cables to the front module controller are still connected gt Disconnect the cables to the LCD the DC AC illumination converter the key pad keyboard the tachogenerator and if necessary the network connection to the front module controller Note When disconnecting cables be especially careful with the cable to the keyboard It is a foil cable
77. 40 12 W156 LO DIV 50 A TFT LCD DISPL CONNECT FMR6 TOSHIBA 9 B 8 x S FRONT MODULE CONTROLER amp to A600 X10 LO DIVIDER A6 00 A600 x3 D E 4PORT MODEL gt W136 IF MEAS o A530 8 X9 lt C to A530 X16 gt to A530 X11 PORT3 RM SOU 50 A A Y Ej H i E 5 m A5 X er Ca to A510 X16 lt gt to A510 X11 w 1 1 RM SOURCE Legende legend Cables to RM n enthalten in contained in KABELSATZ ZVB SET OF CABLE ZVB 1145 2545 01 n REFLECTOMETER n semi rigid cable 999 flex koax cable enthalten in contained in enthalten in contained in DISPLAYEINHEIT ZVB DISPLAY UNIT ZVB 1145 1384 01 GRUNDEINHEIT ZVB FUNDAMENTAL UNIT 1145 1290 01 X El E2 GERAETERAHMEN DEVICE FRAME 1145 1355 00 enthalten in contained in 50 E L m E al H y to A540 X8 x9 to 540 x16 22 11 50 gt w149 gt w14 3 S 8 8 to A520 X8 X9 to A520 X16 120 to A540 x11 lt RM 4 PORT4 RM SOURCE DE amp SCHWARZ 5A to A520 X11 12 PORT2 RM SOURCE RM Benennung Designat ZVB NETWORK AN
78. 5 1145 1290 23 ZM FAN ZVB 1145 2200 00 E1 E2 E3 VS 7985 ISR M4X8 A4 PA 1148 2652 00 VS 7985 ISR M4X6 A4 PA 1148 2646 00 VS DIN433 4 3 A4 0082 4586 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 ZE NETWORK CONTROLLER 1145 3635 02 ZE NETWORK CONTROLLER 1145 3635 02 EE SYNTHESIZER LS 1302 4025 02 EE SYNTHESIZER DS 1302 5180 02 EE SYNTHESIZER LS 1145 1078 82 1302 4025 20 5 3 E 4 R amp S ZVB Position Designation EE SYNTHESIZER LO List of ZVB parts including spare parts Stock No 1302 4248 02 Electrical Designation Recommended spare parts EE SYNTHESIZER LO 1302 4248 20 EE FREQ REFERENCE 1145 3835 04 EE PCI BALANCE 1300 1687 02 ED LO DIVIDER 1300 2002 20 ED LO DIVIDER 1300 2002 02 MZ PLATE LO DIV ZVB 1300 2025 00 VS 6900 ISR M2 5X6 A2 1148 3059 00 VS HVC ISR M2 5X16 A2 0048 8218 00 MZ LOCKING PLATE 1302 4483 00 MZ MOTHERB RAIL 1 ZVB20 1145 4631 00 MZ MOTHERB RAIL 2 ZVB20 1145 4684 00 MZ MOTHERB RAIL 4 ZVB20 4PORT 1145 4690 00 MZ MOTHERB RAIL 1 ZVB 1145 1926 00 MZ MOTHERB RAIL ZVB 1145 1932 00 MZ RAIL 4 ZVB 1145 2274 00 VS 6900 ISR M2 5X8 A2 0041 1653 00 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 MZ MB RAIL CONTACT ZVB8 1300 0851 00 MZ MB RAIL CONTACT ZVB8 20
79. 554552 iicet re 3 20 Installation uuu usu 4 2 9 DE 4 2 P Passworde 2 bo eo em te le EO Ae 2 3 Performance test Frequency 1 4 1 9 1 11 REPE 1 12 1 13 1 14 1 15 Harmonics 1 5 Level accuracy 1 6 1 7 E 4 Index Level linearity 1 5 1 8 Protocol Performance Test Frequency accuracy Power cables ue teta 5 4 Power supply FUNCHON iio 3 19 Replacement 3 36 Replacement i Power up problems 3 55 Precision attenuator PUNCHON 3 11 3 12 R Reflectometer RM8 Replacement ua usa asus 3 41 Refurbished Modules 5 2 od Dh ada cm 3 1 Replacement Bridge Unit a uma Sau 3 46 Coupler Unit bs 3 48 Generator and Cover m 3 44 Generator Board 3 42 Inner Conductor of a Port 3 45 Receiver Board i eaa bein dote etes 3 43 Reflectometer Fan 3 49 Reflectometer RM20
80. 8 GHz 0 dBm 10 dBm 3 dB 3 7 dBm 3 dB 12 GHz 0 dBm 10 dBm dB 3 dBm dB 16 GHz 0 dBm 12 dBm 4 dB 2 3 dBm 4 dB 20 GHz 0 dBm 12 dBm 4 dB 1 7 dBm 4 dB With the stated levels the cable loss must still be taken into 0 25 dB GHz R amp S ZVB account For the specified cable it is If the measured values are more than 2 dB below the levels in the table the coupler unit must be replaced Method 2 The receiver section of the associated reflectometer is OK v v Vv V Connect the coupler input connector W514 to a functioning port using the SMA cable Screw a SHORT from the calibration kit to the port connector Loosen cable W514 GEN gt coupler unit at both ends and screw off at the coupler unit Set the frequencies and levels listed in the table at the port used for the measurement and measure the level wave quantity ax or bx at the reflectometer associated with the coupler unit port Frequency Level Output level MEAS Output level REF 10 MHz 0 dBm 53 dBm 3 dB 50 dBm 3 dB 100 MHz 0 dBm 38 dBm 3 dB 35 dBm 3 dB 1 GHz 0 dBm 18 2 dBm dB 15 dBm 3 dB 2 GHz 0 dBm 13 3 dBm dB 8 dBm 3 dB 8 GHz 0 dBm 14 3 dBm dB 8 dBm 3 dB 12 GHz 0 dBm 15 dBm 3 dB 3 dBm dB 16 GHz 0 dBm 17 7 dBm 4 dB 8 dBm 4 dB 20 GHz 0 dBm 18 3 dBm 4 dB 8 dBm 4 dB With the stated levels the cable loss must still be taken into
81. 8 dBm 18 dBm 32 dBm 6 GHz 8 dBm 18 dBm 32 dBm 8 GHz 8 dBm 18 dBm 32 dBm With the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz If the measured values are more than 2 dB below the levels given in the table the board must be replaced 1145 1078 82 3 76 E 4 R amp S ZVB Instrument Construction and Function Description Bridge Directivity The following is assumed e The generator and receiver sections of the reflectometer associated with the bridge unit are OK gt Screw the SHORT from an N calibration kit to the port connector gt Perform a sweep from 300 kHz to 8 GHz measure 11 save measured values Data gt Math Data Mem Screw the MATCH from the N calibration kit to the port connector gt The trace gives the directivity Frequency range Directivity 300 kHz to 50 MHz lt 10 dB 50 MHz to 8 GHz lt 16 dB If the measured values are greater than the values stated in the table the bridge unit must be replaced Bridge unit Port Matching It is assumed that there is a functioning reflectometer in the instrument gt Loosen cables W514 GEN gt Bridge unit W515 Bridge unit gt MEAS and W518 Bridge unit gt REF at both ends and unscrew at the bridge unit N B When loosening support the cable with a 7 spanner gt Terminate the bridge unit input and bridge unit outputs with 3 SMA t
82. 99 00 194 VS 7985 ISR M3X16 A4 1145 5021 00 200 MZ RM MOUNT ZVB 1302 5115 00 210 VS 6900 ISR M2 5X6 A2 1148 3059 00 230 MZ HOLDING EXT ZVB 1145 2251 00 240 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 250 OS LABEL RM8 1145 4548 00 300 DW CABLE W514 GEN 1145 2616 00 W514 310 DW CABLE W515 MEAS 1145 2622 00 W515 320 DW CABLE W518 REF 1145 3012 00 W518 330 FJ LOAD 50OHM SMA 0249 7823 00 400 OS BARCODE LABEL FOR PCB 0071 7714 00 1145 1078 82 5 12 E 4 R amp S ZVB List of ZVB parts including spare parts Position Designation Stock No Electrical Recommended Designation spare parts DRAWING 1145 3593 01 SHEET 3 BR UNIT 100 MB N OUTER CONDUCTOR 1045 8888 00 110 ZM INNER CONDUCTOR Unit 1302 5067 00 1 x DRAWING 1145 4277 02 REFLECTOMETER 20 GHz UNIT incl in 1145 4290 20 10 EE REFLECTOMETER 20 1145 4254 03 1 A502 11 EE REFLECTOMETER 20 1145 4254 02 1 A502 w o Attenuator connector 20 MF COVER A SIDE RM20 1305 4678 00 1 30 ZE RECEIVER 20 1151 3504 02 1 A503 40 ZE GENERATOR 20 1151 4300 02 1 A504 42 ZE GENERATOR 20 1151 4300 03 1 A504 2MHz Extension 45 VS DIN6900 M2 5x6 1148 3059 00 4 50 MZ HOLDING ZVB20 1305 4803 00 4 60 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 7 80 ZE FAN 40x40x20 1145 4619 00 1 x 90 VS 7985 ISR M2 5X6 A4 PA 2084 8000 00 4 100 VS DIN125 A2 7 A4 0082 4663 00 4 110 OS BARCODE LABEL FOR PCB 0071 7714 00 4 150 FJ ADAP
83. ALYZER Datum Date Abteilung Dept 07 02 14 N TET 7 B DC MEAS REF 10 OUTIN USB 2 OPTION SYSTEM BUS IEC BUS 2 7 PAGI C W245 i H iy345 OPTION 2 SUB W230 ie S OPTION BNC AUX X230 w242 DEREZ LAN2 W241 EET LAN1 MODEL ZVB 3 4 with LO 1 DER Blatt 8h 2c Zeichn Nr Drawing No 1145 1010 01 S E Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved E A600 MODELS ihe Mn 1145 1010 05 2 4 3PORT for aport MODELS only o wese o 1145 1010 09 ZVB8 3PORT E ha ds 1145 1010 06 ZVB4 4 A LO3 SY LO OUT 104 SY 4 1145 1010 10 ZVB8 4PORT lt W666 i with LO DIVIDER from A10 MOTEERBOARD W156 150 SYNTH LS X156 2 to A10 MOTHERBOARD to A10 MOTHERBOARD V 10 MOTHERBOARD X40 to A10 MOTHERBOARD V to A10 MOTHERBOARD NETW CONTR A130 CONTR A140 TOM NETW CONTR A13
84. B 20 20 15 dB 10 5 5 dB 10 15 20 1145 1078 82 1 25 4 Performance Test Report R amp S ZVB Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Port __ 1 8 0 06 Power linearity w o Opt B21 B22 B23 Reference 10 dBm Freq Level 13 GHz 20 15 10 dB 548 5 dB 10 dB 15 dB 20 R amp S 2 20 only 15GHz 20 15 dB i i 10 dB 5 dB 5 I 10 i 15 dB 20 dB 20 15 10 5 dB 5 10 15 dB 20 1 20 15 10 dB 5 dB 5 dB 10 15 dB 20 dB 20 15 dB 10 5dB 5 dB 10 15 dB 20 1145 1078 82 1 26 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance Q Q GQ N N N N N N N V OO OOO OO G N N N N N N N 0 06 dB Power linearity w Opt B21 B22 B23 R amp S ZVB4 and ZVB8 only Reference 10 dBm R amp S ZVB4 8 R amp S ZVB14 20 Freq Level 51MHz 15dB 10 48 5 dB 5 dB 1 10 15 dB 20 25 30 35 40 45 50
85. B 10 dB 548 5 1 10 dB 15 dB 20 dB 25 30 dB R amp S ZVB4 ZVB8 500 MHz 20 dB 1 15 dB 10 548 5 dB 10 dB 15 20 dB 25 30 dB R amp S ZVB14 ZVB20 700 MHz 20 dB I 15 dB 10 dB 548 5 dB 10 dB 5 15 20 dB 25 30 dB R amp S ZVB14 ZVB20 2GHz 20dB 15 dB 10 dB 5 5 dB 10 dB 15 20 dB 25 30 dB 1145 1078 82 1 33 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance ER Page 1 10 0 06 dB Sec linearity Reference 10 dBm R amp S 2 4 ZVB8 4GHz 20dB I 15 dB 10 dB 548 5 dB 1 10 15 20 dB 25 30 dB R amp S ZVB8 only 4 1 GHz 20 dB 1 15 dB 10 5 dB 5 dB 10 dB 15 20 dB 25 30 dB R amp S ZVB8 only 8GHz 20dB 15 dB 10 5 dB 5 dB a 10 15 dB 20 dB 25 i 30 R amp S ZVB14 ZVB20 7 9 GHz 20 i 15 dB 10 dB 548 5 dB 10 dB 15 dB 20 dB 25 1 30 dB 1 34 4 1145 1078 82 R amp S ZVB Performance Test Report
86. BW2 INSTRUMENT FOOT 1096 2506 00 x 440 KR BW2 MOUNTING FOOT 1096 2529 00 x 450 KR BW2 SIDE CARRYING HANDLE T350 1096 2664 00 x 452 KR BW2 SIDE COVER 1096 2558 00 x 460 KR BW2 REAR PANEL FOOT 50MM 1096 2493 00 x 470 OS BW2 LABEL REAR PANEL FOOT 1096 2435 00 x 471 FJ CAP FOR N CONECTOR 1096 2435 00 472 FJ CAP FOR N CONECTOR 1096 2435 00 473 FJ CAP FOR N CONECTOR 1096 2435 00 490 FJ CAP FOR N CONECTOR 0114 1770 00 492 FJ CAP FOR N CONECTOR 0114 1770 00 500 ZB ACCESS ZVB 1145 1049 00 1145 1078 82 5 7 4 R amp S ZVB List of ZVB parts including spare parts Position Designation Stock No Electrical Recommended Designation spare parts 500 ZM METAL FRAME ZVB 1145 1332 00 1 505 ZM METAL FRAME ZVB 20 1302 4602 00 1 510 ED MOTHERBOARD 1145 3435 02 1 A10 Mod 08 09 20 511 ED MOTHERBOARD 1145 3435 03 1 A10 x 519 LABEL CE 1145 3987 00 0 520 VS 6900 ISR M2 5X6 A2 1148 3059 00 14 530 FM LOCKING SCREW M3 0009 6501 00 2 540 FM LOCKING SCREW 4 5 1093 9180 00 2 550 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 552 SERRATED LOCKWASHER 3583 1578 00 6 553 14 NUT 28 UNEF 3583 1561 00 6 555 MZ CASCADE PLATE 1145 4690 00 1 580 GR FRONT MOD CONTROLLER 6 5 1091 2908 00 1 A90 x 581 BIOS ZVAB FOR FMR7 1300 1529 00 1 582 LITHIUM BATTERY CR2032 0858 2049 00 1 x 585 BIOS ZVAB 1145 1190 00 0 590 VS 6900 ISR M2 5X6 A2 1148 3059 00 10 595 DF CABLE 4X2
87. C cable Preset For DC Meas 1 V Meas More DC Inputs DC Meas 1 V Format Real Scale Scale Div 25 x1 Marker For DC 10 V Meas DC Inputs DC Meas 10 V Format Real Scale Scale Div 2 5 x1 Marker Set Power Supply to DC values Upc using Multimeter R amp S URE DC values see Performance Test Report and connect it to pos and neg input Read off the DC level Upc indicated by the marker Deviation Upc Upc zvB Performance Test R amp S ZVB Checking the optional R amp S ZVB20 B80 Low Frequency Extension Test equipment Test port cable Test Setup Connect test port cable between a Test Port 1 and REF IN 1 b Test Port 1 and MEAS IN 1 c Test Port 2 and REF IN 2 d Test Port 2 and MEAS IN 2 RAS ZVAB settings START FREQUENCY 2 MHz STOP FREQUENCY 100 MHz MEAS BANDWIDTH 1 kHz SWEEP SWEEP TYPE LOG FREQUENCY MARKER MARKER 1 2 MHz MARKER MARKER 2 10 MHz 8 MEAS WAVE QUANTITIES a1 SRC PORT 1 b MEAS WAVE QUANTITIES b1 SRC PORT 1 c MEAS WAVE QUANTITIES a2 SRC PORT 2 d MEAS WAVE QUANTITIES b2 SRC PORT 2 Measurement Read out the indicated magnitude value of the two markers for each of the four cases a to d The difference may not exceed 25 dB 1145 1078 82 1 16 4 R amp S ZVB Performance Test Checking the
88. CD the DC AC illumination converter the key pad keyboard the tachogenerator and if necessary the network connection to the front module controller Note When disconnecting cables be especially careful with the cable to the keyboard It is a foil cable and can only be removed when the locking device on the foil cable connector is released Remove the front module controller for instructions see Replacing Front Module Controller 90 Place the instrument on its top and remove the instrument s base cover 297 by undoing the 12 countersunk screws 299 Undo the RF cabling from the reflectometers 165 170 175 to the LO divider 125 and to the motherboard Release the 50 pin flat cable and disconnect from the reflectometers Remove screws 151 156 161 and take out the reflectometers Undo RF cabling at the LO divider 125 Disconnect the 12 pin flat cable from the LO divider Remove screws 127 2 in the strut 4 in the rear panel and take out the LO divider together with plate 126 Undo the screws holding the connectors on the rear panel The 6 hexagonal nuts and washers for the BNC connectors s 2 hexagonal bolts 530 540 each for the monitor interface and the user control interface e 2 hexagonal screws 550 each for the USB interface and in the dummy panel 555 Remove the 3 screws 144 each for the left and right side panels and the 2 screws 143 in the center and take out both motherboard rail
89. CON ANALOG not fitted not fitted not fitted X148 RMB IF REF X149 RMB IF MFAS X165 LO OUT 1 X166 X168 LO OUT 3 X169 2 LO OUT 4 X165 50 OUT 1 50 OUT zm amp I a LO OUT 2 X160 X16 X150 X151 248 24 id 147 147 4 148 148 149 149 LO DIVIDER wi46 x146 4 RM1_IF_MEAS RM1_IF_REF RM2 TF REF RM2 TF MFAS 156 156 RM 3 SOURCE W166 X166 RM 1 SOURCE X200 LINE IN 100 240V 47 63 Hz 450 VA GND A160 SYNTH DS 1 MOD 02 x160 X161 PAR X160 X161 A20 POWER SUPPLY X167 128MBZ IN REAR PANEL X21 P16 BNC X23 X24 X25 P6 P10 P24 i EXT TRIGGER 225 4 SOURCE W169 X169 RM 2 SOURCE P25 SUB D i USER 1X220 CONTROL 5 MBCON 523 sp lt lt lt x219 CASCADE lt lt FSU EUS 2 X 3 W540 fi 1x218 MONITOR PLS IEC127 F250L BNC 1 127 2501 F3 lt E BNC 203 3 m 127 2501 5 A BNC 1 127 2501 x202 2 lt gt 116
90. E Date Dept Name 1 2 W 5 4 5 6 7 Zeichn Nr Drawing No Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights reserved A A to 10 MOTHERBOARD to 10 MOTHERBOARD to A10 MOTHERBOARD to A10 MOTHERBOARD NETW CONTR A130 NETW CONTR A140 NETW CONTR A130 NETW CONTR A140 d 4 5 Ej on d d g 5 RM LOCAL e PORTI RM LOCAL gt m PORTA RM LOCAL o PORT2 RM LOCAL for MODELS only E Ej from A10 MOTHERBOARD E 14 d from A10 MOTHERBOARD fe p Cj from A10 MOTHERBOARD S S from 10 B g g 4 X155 SYNTH 150 156 SYNTH 150 a cal X158 SYNTH A150 3 3 E X159 SYNTH A150 B W518 w518 1 518 I I I E lads W EE 5 E A on NE a 3 H xL 8 8 5 S
91. E 4 Instrument Construction and Function Description R amp S ZVB Troubleshooting The instructions in this manual describe troubleshooting down to the board level Any defective boards can then be replaced and the instrument put back into operation A selftest which checks the board diagnostic voltages and displays limit violations is provided to facilitate troubleshooting and diagnosis We recommend that you return your instrument to the technical specialists at an R amp S service facility for board replacement and any further repairs that may be needed see the address list at the beginning of this manual WARNING Do not insert or remove boards that are still live Avoid causing shorts when measuring voltages The R amp S ZVB has the following facilities to simplify diagnosis e Selftest e Service functions N B The first thing to do if you encounter any problems is to check if any connection cables edge connectors etc are damaged or even incorrectly inserted Test Equipment and Accessories Item Instrument type Recommended features Recommende R amp S Order d model No Spectrum analyzer Frequency range 0to20GHz range Frequency range 0to20GHz to 20 GHz R amp S FSEB 20 FSEB 20 1066 3010 20 3010 2011 4 Adapter cable 1 m long L 8259 x SMP male to SMA male Adapter cable 0 5 m long 1129 8265 00 SMP male to SMP male SMA cable 0 5 m long 1142 5895 00 2 SMA male to SMA male 7 SMA cable 1 m long 1142
92. F MFAS RM3 IF REF Fav X10 RM LOCAL x5 X3 MEAS_OUT 2 A50 COUPLER 24 RF_REF 9 IF_REF A503 2 20 SEN Ed xi SIR ATI2 1 STR ATT X16 x 7 A502 EE REFLEKTOMETER 20 SOURCE IN W534 p SMA SMA W535B SOURCE OUT OPTION ZVB14 B16 amp ZVB20 B16 E only MOD 19 25 x fu 1 504 2 20 X11 RM_SOURCE 3 4 Ei OPTION A ZVB14 B16 ZVB20 B16 2 only MOD 19 25 fy MEAS IN 504A SMA 05 PORT 1 REF_IN r 501A SMA L 503 REF OUT A510 RM UNIT ZVB 14 20GHZ 4 to A10 MOTHERBOARD NETW CONTR A140 A NE RM3 SOURCE RM3 LOCAL 1 LOCAL IF MEAS W155 W165 p 1 IF REF p 146 RMI W156 SMA W165 5 A 6 5 5 2 OPTION lt lt P ZVB14 B16 Bi 5 ZVB20 B16 2 only MOD 19 25 e fy IET MEAS IN MEAS IN r 5048 re SMA SMA em 85 e MEAS OUT P O R MEAS OUT REF IN REF IN 5818 S SMA SMA ef5busm e REF_OUT REF_OUT A540 RM UNIT ZVB 14 20GHZ 4PORT to 10 MOTHERBOARD CONTR A130 N 0 154 RM4 IF MEAS RM1_SOURCE RM4_LOCAL RM4_SOURCE RM4 IF REF W168 W158 W166 W138 w139
93. JU e MODOS 06 09 10 19 21 22 25 19 db T T T 09 09 2 29 MOD04 05 06 08 09 10 14 20 21 3 ci N n p 2 lt a 3 b gU DAC 17 19 22 23 25 i U CAL 127 MODO4 05 06 08 30 09 10 20 21 w 210 MOD17 19 22 23 25 I ZA i a 110 gt MOD17 19 23 25 d a 2 p 5 MOD22 i 2 12 20 2 For this document all rights are reserved F r dieses Dokument behalten wir uns alle Rechte vor MODO6 10 o2 0004 05 08 09 E 8 _ 2 8 _ 3 8 _ 4 14 2 E Projektions 14 2 methode 14 4 20 _ 2 Projection 20 3 Method 2 20 _ 2 20 _ 4 FOR POS 136 to POS 252 SEE NEXT PAGES MaBstab Toleranz Werkstoff Wai ROHDE amp SCHWARZ ZVB NETWORK ANALYZER Zeichn Nr Drawing F 2007 03 23 es es wo 11 5 1010 01 D 1 2 X53 n 5 6 7 8 4 ry A 224 For this document all rights are reserved 17 F r dieses Dokument behalten wir uns alle Rechte vor Projektions methode ce x 3 Q9 Nis THIS PAGE IS ONLY FOR 6 10 a J 000000 69 monos connector designation enennun Sprache Lang Aei Z I Blatt Sh of cobles motherboard en 03 00 2 F for coble mounti ng Zeichn Nr Drawing No F Pere 2007 02 08 TESK 1145 1010 01 0 1 2 3 L 5 6 7 8 A
94. ME ZVB_2PORT 1145 1355 00 eee flex koax cable Benennung Designat Spr Lang Aei C I Blatt 8h Cables to RM n enthalten in contained in DE amp SCHWARZ ZVB NE TWORK ANALYZER ae Le F enthalten in contained in DISPLAYEINHEIT ZVB KABELSATZ ZVB SET OF CABLE ZVB DISPLAY UNIT ZVB Zeichn Nr Drawing No 1302 5044 01 1145 1384 01 1145 2545 01 with LO DIVIDER ae 07022414 1145 1010 01 5 1 2 5 4 5 6 7 Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights reserved T 70 amp 15 amp DISPLAY INVERTER W241 A100 FREQUENCY REFERENCE MOD 02 04 without B4 MOD 03 05 with B4 X103 A2 AD CLK X104 lua N OPTION ZVAB B4 OVENQUARZ 1N X107 FR REF 10 OUT A130 NETWORK CONTROLLER 2 5A A140 NETWORK CONTROLLER 1 A21 AC FUSE BOARD A150 SYNTE LS 2 A141 NETCON DIGITAL A142 xio xil X141 X142 43 132 133 P60 P60 X131 P60 A10 MOTHERBOARD W136 X136 RM3 IF MEAS W137 X137 X147 RMA IF REF 1 NETCON ANALOG 149 RMB IF MEAS X148 RMB IF REF W138 X138 RM4_IF_REF W139 X139 141 DIGITAL x101 X141 X142 X143 X140 2110 X141 X142 X143 260 260 260 RM4_IF_MEAS MOD 03 NET
95. Measurement at Rated value VOLTAGE DC MEAS 1 V to 1 V 8 3 5 6 1 X 141 10 2 33 V DC MEAS 1 V to 1 V 6 3 5 8 1V X 141 B11 2 33 V DC MEAS 10 V to 10 V 8 3 5 6 10 V 141 010 2 33 V MEAS 10 V to 10 V 6 3 5 8 10V X 141 011 2 33 V Pin assignment DC MEAS connector If the measured value is more than 10 above or more than 10 below the stated nominal value the motherboard must be replaced 1145 1078 82 3 84 E 4 R amp S ZVB Table of Contents Software Update Installation of Options Table of Contents Chapter 4 Software Update Installation of Options 4 Software Update Installation of Options 4 1 Installing new R amp S ZVB 4 1 Installing Optighgu ll 4 2 E 4 1145 1078 82 1 4 1 Table of Contents Software Update Installation of Options R amp S ZVB 1145 1078 82 1 4 2 4 R amp S ZVB Installing new R amp S ZVB Software 4 Software Update Installation of Options Chapter 4 provides information on updating software restoring the operating system installation and installing options Descriptions accompanying the software update or the options can be included in this folder as part of Chapter 4 Installing new R amp S ZVB Software The instrument firmware can be downloaded from the R amp S website www rohde schwarz com This is a Microsoft Installation file The file name is ZVAB XX YY MSI for a re
96. N N N N N Port Power linearity w Opt B21 B22 B23 Reference 10 dBm ZVB8 only Freq Level 6 GHz 12 dB 10 dB 5 dB 5 dB 10 dB 15 dB 20 dB 25 dB 30 35 dB 40 dB 45 dB 50 dB 55 dB 60 dB 65 dB 70 dB 75 dB 80 dB 85 dB 90 dB 10 dB 5 dB 5 dB 10 dB 15 dB 20 25 30 35 dB 40 dB 45 dB 50 dB 55 dB 60 dB 65 dB 70 dB 75 dB 80 dB 85 dB 90 dB 1145 1078 82 1 31 4 Q OQ OO N N N N N N N Performance Test Report R amp S ZVB Parameter Covered on Min value Actual value Max value Measurement tolerance 0 2 dB Port Power measurement uncertainty Test frequency R amp S ZVB4 and ZVB8 300 kHz 1 MHz 2 MHz 5 MHz R amp S ZVB4 ZVB8 ZVB14 ZVB20 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1 GHz 1 5 GHz 2 GHz 2 1 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz R amp S ZVB8 R amp S ZVB14 R amp S ZVB20 4 1 GHz 4 5 GHz 5 0 GHz 5 05 GHz 5 7 GHz 6 0 GHz 6 35 GHz 6 36 GHz 7 0 GHz 7 5 GHz 8 0 GHz R amp S ZVB14 and R amp S ZVB20 9 0 GHz 11 0 GHz 13 0 GHz R amp S ZVB20 only 15 0 GHz 17 0 GHz 19 0 GHz 20 0 GHz 1145 1078 82 1 32 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance ER Page 1 10 0 06 dB ius linearity Reference 10 dBm 50MHz 20dB I 15 d
97. OS 479 Cine OD08 47 8 GHz 2 5 PON VAROS 4 8 GHz 4 TOR ODOR 47 8 GHz 4 20 20 GHz 0020 20 GHz Ze PORI VAR22 20 GHz TOR DD 20 GHz 274 FOR 48122 2 4 PORT ZVI 0080 ZVI a 1 ORAN Montherboard mounting motherboard 2 E 009950000 000060 5500094550005 0044 000950000 0 90 0 00905000 5 2000000950000 5900905000055000 0 969 200000 a 00000000 9999 2 MoBstab Toleranz Scale Tol ROHDE amp SCHWARZ Grundeinheit ZVB Fundamen t a Un t Zeichn Nr Drawing No 2007 11 19 NI 9 10 11 12 F r dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved Verdrahtungsplan Netzteil wire connections for power supply Pos 755 Pos 755 Pos 750 Pos 745 Pos 750 W25 W25 W24 W23 W24 Cable 10p Cable 10p Cable 8p Cable 6p Cable 8p 12V 6V j red orange GND 12V GND 6V black black GND 12V GND 6V 8V 3 3V 5V black black orange red red 12V 6V GND 8V GND 33 3V GND 45V blue violet black black black Caution check wiring of negative voltage Connection for upper table 9 Sprache Lang Aei C L Blatt Sh 4CGrundeinheit ZVB 2 Fundamental Unit
98. R 1 FREQUENC GRAPHICS REFERENCE DISPLAY COUPLER PORT 3 15 to 21 MHz NETCON DIGITAL 2 NETCON ANALOG COUPLER PORT 4 2 5 54 GENERATOR Driver Doubler PORT 4 RECEIVER REF PORT 4 gt O RECEIVER MEAS PORT 4 POWER SUPPLY Fig 3 9 Block diagram of the R amp S ZVB14 and R amp S ZVB20 4 ports with option B16 1145 1078 82 3 10 E 4 R amp S ZVB Instrument Construction and Function Description Description of the Block Diagram The block diagrams shown in Fig 3 1 to Fig 3 9 apply to the R amp S ZVB4 R amp S ZVB8 R amp S ZVB14 and the R amp S ZVB20 4 and 2 ports and to the R amp S ZVB4 and R amp S ZVB8 3 ports The R amp S ZVB is a vector network analyzer covering 300 kHz to 4 GHz R amp S ZVB4 300 kHz to 8 GHz R amp S ZVB8 10 MHz to 14 GHz R amp S ZVB14 or 10 MHz to 20 GHz R amp S ZVB20 All models are available in a 2 port or in a 4 port version 3 port versions are no longer available The signals including the LO signal for the receiver are generated using one or two synthesizer boards according to the number of ports The signal processing path comprises a reflectometer board an IF board a network controller and a processor section comprising a Pentium PC I O interface and graphics board The instrument can be expanded to handle future digital and analog requirements by retr
99. S SMR20 1104 0002 20 with option R amp S SMR B15 1104 4989 02 R amp S NRVD 0857 8008 02 R amp S NRV Z51 0857 9004 02 R amp S NRV Z52 0857 9204 02 Weinschel 1870A Application Frequency accuracy of the reference oscillator Recording correction values Recording correction values Recording correction values on R amp S ZVB4 8 Recording correction values on R amp S ZVB20 Recording correction values on R amp S ZVB4 8 Power splitter PC with GPIB Interface Alignment Software 3 5mm 50 Ohm Output tracking lt 0 25 dB Pentium WinXP WinNT GR AT GPIB IEEE4888 IF PCI National Instruments R amp S ZVAB Service Weinschel 1593 NI 488 PCI GPIB 1072 6101 00 Recording correction values on R amp S ZVB20 Recording correction values Recording correction values Power supply 2x 0 to 10 V 2 1 Aligning the DC inputs 2 4 1145 1078 82 E 4 R amp S ZVB Type of equipment Calibration kit Calibration kit Test cable Test cable Conn Cables for DC Inputs 1145 1078 82 Manual Alignment and Recording Correction Values R amp S Order No Application R amp S ZV Z21 1085 7099 02 Recommended model Recommended specifications Recording correction values on R amp S ZVB4 8 N calibration kit Recording correction values on R amp S ZVB20 3 5 mm calibration kit 1164 1005 02 Recording correction Test cable N m to N m values on R amp S ZVB4 8 Re
100. S URE and correct if necessary ZNB settings Measure DC Inputs DC Meas 1V Measure DC Inputs DC Meas 10V Measurement Read off the voltages displayed by the R amp S ZVB V1 positive voltage V2 7 negative voltage Calculating the corrections V1 V2 2 M V1 V2 20 M gt scaling factor F offset 1 2 1 2 10x 1 2 1 2 Pin assignment for DC MEAS connector 1145 1078 82 2 7 E 4 Manual Alignment and Recording Correction Values R amp S ZVB The values that have been obtained in this way are now written to the hard disk using the Service Functions described below and then transferred to the EEprom of network controller1 Example illustrating DC Meas 1 V When 1 V is applied V 1 1 023 V is displayed by the R amp S ZVB when 1 V is applied V2 1 011 V is displayed The results of the calculation are M 1 017 and F 0 0059 The following entries are therefore made gt Select Service Level 2 see Service Functions gt Set Service Functions Writing to the hard disk 3 1 2 5 dc__meas_1V DcMeasMultiplier 1 017 3 1 2 5 dc_meas_1V DcMeasOffset 0 0059 etc for the second measurement input gt Set Service Function Writing to the EProm 3 1 2 2 When correction value programming for the two DC voltage measurement inputs has been completed end the NWA application and restart Check the alignment by applying the four voltages 1 V 1 V 10 V and 10 V and as a further ch
101. SIONS VARO4 4GHz MOD04 4GHz VAR08 8GHz 8 2 Werkstoff Material RM UN I ZVA 1 8 GHz Zeichn Nr Drawing 2006 01 10 wz 1ESK 1143 3664 01 D 6 7 8 J J F S us For this document all rights are reserved werden nur fuer die Pruefung der Baugruppe im Prueffeld b noet gt Vor Einbau in uebergeordnete Baugruppe wieder entfernen F r dieses Dokument behalten wir uns alle Rechte vor E Variantenerklaerung Versions Projektions methode o Grundausfuehrung Basic Model 2MHz Erweiterung vey 2MHz Extension Benennung Z Designation Sprache 10 1 Z I Blatt Z Sh ROHDES SCHWARZ REFLECTOMETER 20 06 00 F Zeichn Nr Drawing F 2007 02 01 1145 4277 01 0 ROHDE amp SCHWARZ Block Circuit Diagram 1145 1078 82 5 19 E 4 Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved Ed x200
102. See Chapter 5 Spare Parts List Items 165 170 175 and drawing 1145 1010 The boards are located under the motherboard Opening the instrument and removing the board gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Remove the bottom instrument cover 297 after undoing the 12 countersunk screws 299 Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards Remove the 2 screws 176 177 178 in the front of the instrument next to the port connector Disconnect the source cable the LO cable the two IF cables and the 50 pin control cable from the reflectometer Remove the 2 screws 151 156 161 at the end of the reflectometer and take out the reflectometer Installing the board and reassembling the instrument gt Y VV ON V V V Insert the new board into the instrument and reconnect any cables that have been disconnected N B Use the lettering on the motherboard as an aid Screw in the 2 screws 176 177 178 in the front of the instrument next to the port connector Screw in the 2 screws 151 156 161 in the end of the reflectometer Fit the instrument base cover 297 and secure with 12 countersunk screws 299 Replace the front cover 300 to 323 and secure with th
103. Service Manual Vector Network Analyzers R amp S ZVB 4 ZVB 8 ZVB 14 ZVB 20 1145 1010 04 06 08 10 14 17 19 20 23 25 8 SCHWARZ Test and Measurement 1145 1078 82 04 R amp S is registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners The instrument includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit http www openssl org It includes cryptographic software written by Eric Young eay cryptsoft com and software written by Tim Hudson tih cryptsoft com The verbatim license texts are provided in on the user documentation CD ROM included in delivery R amp S ZVB Chapter Overview Chapter Overview Safety Instructions Spare Parts Express Service List of R amp S Representatives Contents of Manuals for Vector Network Analyzers R amp S ZVB Service and Repair Chapter 1 Performance Test Chapter 2 Alignment Chapter 3 Repair Chapter 4 Software Update Installation of Options Chapter 5 Documents 1145 1078 82 01 RE E 4 R amp S ZVB Index A Alignment eto de dti eh n eoi e te oret 2 3 Frequency accuracy Frequency response correction Level Manual iere 2 4 Reference frequencoy 2 6 Test eguipmoent i e edt edes 2 4 B Battery Replacement
104. TER PC3 5 ST ST 1127 9493 00 1 2 200 ZE COUPLER 24 1162 0701 02 1 A501 x 300 M COUPLER HOLDER 1145 4677 00 1 310 MF DISTANCE PLATE RM24 1145 4490 00 1 320 MZ SMA BRACKET ZVA24 1305 5568 00 1 330 MZ SMA HOLDING PLATE 1305 5297 00 1 340 VS 7985 ISR M2 5X6 A4 PA 1148 3271 00 1 400 VS 7985 ISR M2 5X16 A2 1148 2869 00 2 450 VS 965 ISR M3X10 A4 PA 1145 2769 00 2 500 ZE REFLECTOMETER 20 1145 4277 03 1 A500 x 600 DW Cable W514A GEN 1305 5039 00 1 W514A 1145 1078 82 5 13 E 4 R amp S ZVB Position Designation DW Cable W514B GEN List of ZVB parts including spare parts Stock No 1305 5068 00 Electrical Designation Recommended spare parts 750 DW Cable 515 MEAS DW Cable W515B MEAS 1305 5045 00 1305 5074 00 800 DW Cable W518A REF 1305 5051 00 850 DW Cable W518B REF 1305 5080 00 900 DV RF Cable W541 1145 4931 00 DRAWING 1164 1770 00 OPTION ZVAB B4 1164 1757 02 120 EE FREQ REFERENCE 1145 3835 05 296 MZ INSTRUMENT COVER ZVB 1145 1849 00 298 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 400 KR BW2 CASING 5E1 1T350N ZV 1145 1826 00 405 KR CASING HOLDING HOOK 1096 4796 00 460 KR BW2 REAR PANEL FOOT 50MM 1145 1078 82 1096 2493 00 5 14 E 4 MOD04 08 MOD05 06 09 10 19 21 22 25 MOD14 17 20 23 MOD05 06 09 10 gt MOD19 21 22 25 10
105. and a key pad They make contact whenever a rubber key is pressed The two LEDs for the status display associated with the Standby On key yellow for standby green for on are also accommodated on the key pad Key detection and LED control are performed via a foil cable connection on the controller board They are controlled by means of a matrix method implemented by a special microprocessor on the controller board the two LEDs are controlled accordingly When the instrument is turned off at the mains switch the microprocessor saves the status of the Standby On key Front module controller The front module controller accommodates all the components that are required on one board for example the processor memory chips SIMMs I O chips ISA bus the lithium battery IEC IEEE bus controller two seral interfaces 1 2 a parallel interface LPT LCD graphics controller external VGA monitor graphics interface Monitor and a connector for an external keyboard keyboard PS 2 Also integrated on the controller board are a floppy controller for an external disk drive and an IDE hard drive controller In the case of the FMR6 the LAN interface is also integrated on the controller board Hard disk The hard disk is screwed to the rear of the tray for the front module controller with a holder and connected to the board with a flat cable 1145 1078 82 3 18 E 4 R amp S ZVB Instrument Construction and Function Description Power supply
106. areful 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 01 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 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 ta
107. att Sh VAR23 ROHDES SCHWARZ s 07 00 rio 1145 1384 01 0 2007 10 19 TESK 1145 1384 01 D 1 2 3 L 6 7 8 B B gt z o LM a ae 25 C S aks o ES RED i 25 na E J SM Projektions 4 2 d methode MZ We 7 841 co 9 CX CO Wv gt 00000007 P 71090090099 og 24851909 AA G Benennung Z Designation Sprache Lang Aei Z C l Blatt 54 ROHDE amp SCHWARZ Einbauanweisung 2 84 it 01 00 00 idi F INSTALL INSTR ZVAB B amp Zeichn Nr Drawing F 04 05 2001 1165 1770 00 0 1 l aa a aY 2 11 21 7 2 BARRKK MQ a a ss 7 e For this document all rights are reserved Fur dieses Dokument behalten wir uns alle Rechte vor E Projektions methode q0 Projection Method MaBstab 7 Toleranz Werkstoff Seale 1 1 Tol Material zm ROHDE amp SCHWARZ RM8 BR UNIT RM8 BR UN Zeichn Nr Drawing No F F 08 07 2004 esk wn 1145 3593 01 D 1 L For this document all rights are reserved Fur dieses Dokument behalten wir uns alle Rechte vor E Projektions methode QO Projection Method NZ 3 MaBstab Scale Tol M UNIT ZVB 4 8 GHz ROHDE amp SCHWARZ vB Toleranz ol Datum Date hier Luefterkabel Austritt Variantenerklaerung VER
108. board One or two individual synthesizers are accommodated on a synthesizer board There are three different synthesizer types used in the R amp S ZVB models LS Synthesizer p toReflectometer 1 GEN Synthesizer 9 kHz to 8GHz p toReflectometer 2 GEN to Reflectometer 1 LO Synthesizer 8025 MHz 15 625 MHz to p toReflectometer 2 LO 1145 1078 82 3 15 E 4 Instrument Construction and Function Description R amp S ZVB DS Synthesizer p toReflectometer 1 GEN Synthesizer 9 kHz to 8GHz to Reflectometer 2 GEN toReflectometer GEN Synthesizer 9 kHz to 8GHz gt to Reflectometer 4 1145 1078 82 3 16 4 R amp S ZVB LO Synthesizer Synthesizer 15 625 MHz to 8025 MHz Instrument Construction and Function Description LO LO The synthesizer models are incorporated as follows in the various R amp S ZVB models to Reflectometer 1 to Reflectometer 2 to Reflectometer 3 to Reflectometer 4 Mod Ports LS Synth LS Synth LO Synth LO Synth DS Synth 1302 4025 02 1302 4025 20 1302 4248 02 1302 4248 20 1302 5180 02 R amp S ZVB4 04 2 1 R amp S ZVB4 06 4 1 1 R amp S ZVB8 08 2 1 R amp S ZVB8 10 4 1 1 R amp S ZVB14 14 2 1 R amp S ZVB14 17 2 1 R amp S ZVB14 19 4 1 1 R amp S ZVB20 20 2 1 R amp
109. bration kit N see Chapter Test Equipment Item4 Test setup Connect Short Male to port1 and port 2 port 3 and port 4 use Short Female with Through Male as a second Short Male R amp S ZVB settings Preset Meas Ratios b1 a2 Drive Port 2 Meas Ratios b2 a1 Drive Port 1 Meas Ratios b3 a4 Drive Port 4 Meas Ratios b4 a3 Drive Port 3 Start 16 MHz Number of Points 500 Power 16 dBm Meas Bandwidth 1000 Hz Marker Sweep Sweep CW Mode CW Frequency fcen Service Function 1 0 0 1 1 see chapter 3 Service Functions Service Level 2 Measure Wave Quantities More Wave Quantities Properties Detector RMS Meas Time 500ms Sweep Single Restart For measurement frequencies see Performance Test Report Measurement Read off marker value Calculation Nominal dynamic range see Performance Test Report 1145 1078 82 1 14 4 R amp S ZVB Performance Test Checking the DC Measurement Inputs Test equipment Test setup R amp S ZVB settings Measurement Calculation 1145 1078 82 DC Power Supply NGSM 32 10 see Chapter Test Equipment Item9 Multimeter R amp S URE3 see Chapter Test Equipment Item10 DC cable see Chapter Test Equipment Item11 Connect the Power Supply to the Input DC MEAS 1V DC MEAS 10V of the R amp S ZVB using the D
110. cording correction Test cable 3 5mm m values on R amp S ZVB20 to 35 mm m 4 pin mini DIN plug Aligning the DC inputs 2 5 E 4 Manual Alignment and Recording Correction Values R amp S ZVB Aligning the Frequency Accuracy Test equipment Spectrum analyzer section Test Equipment item 1 Error 1x10 Test setup Connect the spectrum analyzer to the 10 MHz reference output at the rear of the ZVB ZNB settings Select internal reference MENU System Reference Internal Spectrum analyzer settings Center frequency 10 MHz Span 200 Hz Note Before the following measurement is performed the ZVB must have been switched on for at least 30 minutes to give the reference oscillator time to warm up Measurement Measure the frequency with the spectrum analyzer Nominal frequency Model without OCXO Option B4 10 MHz x 80 Hz Model with OCXO Option B4 10 MHz 1 Hz Alignment without Option R amp S ZVAB B4 Enter Service Function 2 1 1 6 209 0x000000 Read off the frequency counter display e g 10 000050 MHz Change the right hand segment corresponding to bit O to bit 11 of the data word e g to 000400 instead of 000000 Read off the frequency counter display again e g 10 000010 MHz Change the left hand segment of the data word until the counter indicates precisely 10 000000 MHz Alignment with Option R amp S ZVAB B4 Enter Service Function 2 1 1 6 209 0x800000 Read off the frequency co
111. coupler unit under test and display the Sxx magnitude on the screen Frequency range Sxx dB 10 MHz to 12 GHz lt 14 dB 12 GHz to 20 GHz lt 10 dB If the values in the table are exceeded the coupler must replaced 1145 1078 82 3 81 E 4 Instrument Construction and Function Description R amp S ZVB Testing the LO Divider Board It is assumed that the LO synthesizer section synthesizer2 for 3 port and 4 port models synthesizer 1 for 2 port models is OK gt Disconnect cable W656 WW659 W666 or W669 depending on which LO branch is being tested gt Connectthe output under test X6 X7 X8 or X9 to the spectrum analyzer using the adapter cable gt Enter service function 2 21 2 18 17512345 IF 17 512345 MHz gt Setthe R amp S ZVB to the CW sweep mode gt Set the frequencies listed in the table Frequency R amp S ZVB Frequency spec Level Frq R amp S ZVB IF 300 kHz R amp S ZVB4 8 17 812345 MHz 5 dBm to 14 dBm only 10 MHz 27 512345 MHz 5 dBm to 14 dBm 50 MHz 67 512345 MHz 5 dBm to 14 dBm 1 GHz 1 017512345 GHz 5 dBm to 14 dBm 3 GHz 3 017512345 GHz 5 dBm to 14 dBm 6 GHz 6 017512345 GHz 5 dBm to 19 dBm 8 GHz 8 017512345 GHz 5 dBm to 19 dBm With the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz 0 5 m or 0 5 dB GHz 1 m If the measured values are below the levels in the table the board mu
112. creased to encompass the tolerances of the measuring equipment used for the performance test Entries for the measurement are represented in the following way lt KEY gt Press a front panel key e g SPAN lt SOFTKEY gt Press a softkey e g MARKER gt PEAK lt nn unit gt Enter a value terminate the entry with a unit e g 12 kHz Consecutive entries are separated with a e g Meas Bandwidth 1 kHz 1145 1078 82 1 1 4 Performance Test R amp S ZVB Test Equipment and Accessories Type of Recommended characteristics or Recommended R amp S Application equipment Spectrum analyzer features a Counter mode Min resolution 100 Hz Max rel frequency deviation 1079 b Linearity Max departure from linearity 2o 0 06 dB c Frequency response 50 MHz to 4 GHz lt 1 dB 4 GHz to 8 GHz lt 1 5 dB 8 GHz to 20 GHz lt 2 dB R amp S FSU 26 Order No 1129 9003 26 Frequency uncertainty Harmonics Output linearity Input linearity Power sensor N 50 Q 300 kHz to 8 GHz RSS error lt 0 1 dB VSWR lt 1 2 R amp S NRP Z51 1138 0005 02 Max output power Accuracy of output power Power measurement uncertainty on R amp S ZVB4 8 Power sensor 3 5mm 50 Q 10 MHz to 20 GHz RSS error lt 0 1 dB VSWR lt 1 25 R amp S NRP Z55 1138 2008 02 Max output power Accuracy of output power Power measurement uncertainty on R amp S ZVB14 20 Power mete
113. cription Min Max Result State GND 0 000V 0 200V 0 000V PASSED GND 0 000V 0 200V 0 000V PASSED 5V SUPPLY 2 300V 2 700V 2 496V PASSED 10 5VA SUPPLY 2 300V 2 800V 2 564V PASSED 10 5VB SUPPLY 2 300V 2 800V 2 564V PASSED 12V FAN 2 000V 2 600V 2 216V PASSED 12V SUPPLY 2 000V 2 600V 2 204V PASSED 12V SUPPLY 1 600V 2 000V 1 796V PASSED Voltages Rm2 Test description Min Max Result State GND 0 000V 0 200V 0 000V PASSED GND 0 000V 0 200V 0 000V PASSED 5V SUPPLY 2 300V 2 700V 2 500V PASSED 10 5VA SUPPLY 2 300V 2 800V 2 576V PASSED 10 5VB SUPPLY 2 300V 2 800V 2 592V PASSED 12V FAN 2 000V 2 600V 2 204V PASSED 12V SUPPLY 2 000V 2 600V 2 204V PASSED 12V SUPPLY 1 600V 2 000V 1 796V PASSED 1145 1078 82 3 60 E 4 R amp S ZVB Instrument Construction and Function Description Voltages Rm3 Test description Min Max Result State GND 0 000V 0 200V 0 000V PASSED GND 0 000V 0 200V 0 000V PASSED 5V SUPPLY 2 300V 2 700V 2 500V PASSED 10 5VA SUPPLY 2 300V 2 800V 2 584V PASSED 10 5VB SUPPLY 2 300V 2 800V 2 600V PASSED 12V FAN 2 000V 2 600V 2 196V PASSED 12V SUPPLY 2 000V 2 600V 2 220V PASSED 12V SUPPLY 1 600V 2 000V 1 800V PASSED Voltages Rm4 Test description Min Max Result State GND 0 000V 0 200V 0 000V PASSED GND 0 000V 0 200V 0 000V PASSED 5V SUPPLY 2 300V 2 700V 2 492V PASSED 10 5VA SUPPLY 2 300V 2 800V 2 604V PASSED 10 5VB SUPPLY 2 300V 2 800V 2 568V PASSED 12V FAN 2 000V 2 600V 2 216V PASSED 12V SUPPLY 2 000V 2 6
114. d or controller defective Cause of fault remedy If no voltage can be measured the fan fuse may be defective F12 2 F63 3 55 E 4 Instrument Construction and Function Description R amp S ZVB Troubleshooting Boot Problems e Fault R amp S ZVB does not start the measurement application The first action the R amp S ZVB performs after power up is booting BIOS for the processor When the processor has been successfully initialised the Windows XP start up procedure begins Then the measurement application is loaded as an autostart program If there are errors during the boot phase messages indicate possible defects The message No System Disk or Disk error indicates that the hard disk data is corrupt If this is the case replace the hard disk If the operating system on the hard disk has been corrupted and so cannot be loaded correctly Windows XP outputs a blue screen This screen summarizes all the key information about the internal status of the processor 1145 1078 82 3 56 E 4 R amp S ZVB Instrument Construction and Function Description Troubleshooting Boot Error If the message below appears on the screen when the boot procedure has been completed Warning Boot error occurred For details browse Error Log file the cause of the error can be found in the Error Log file Setup INFO 2 Press the Error Log softkey The results are displayed on the screen Hardware Info Selft
115. ded at the beginning of this service manual You can find the current address of your representative on our homepage www rohde schwarz com Navigate to Service amp Support Service Locations 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 sufficient 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 If 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 c
116. e COMECHON a Nt s 2 7 2 9 TONE TOO ona EHE 3 32 Front module processor FUNCHON LR tems 3 18 as ns RED ee ua 3 22 oes ma en ee 3 18 Frontend Repelcement 3 41 3 47 Function description an qn Alinula 01 Q 3 1 1145 1078 82 Index H Hard Disk Replacement cete tti eee 3 27 Hard Disk battery Replacement oc eir aedis 3 27 Instrument construction 3 1 K Keyboard FUCO s ER 3 18 Replacemernt 3 30 L EG display iiid re deer ua 3 18 LCD Replacement ua s P 3 28 Level accuracy Alignment de 2 9 Lithium battery Replacement Ag deh Mla 3 25 LO Divider A600 Replacement 3 52 M Manual alignment sss 2 4 Mechanical Drawings i Menu SelViCe 3 qoe uri rer caged ehe S a riaa ieaiai 2 3 Microwave converter Replacement 3 52 Motherboard FUNGUON ape 3 20 Replacemeht 2 2 5 y 3 38 N Network Controller Board A130 A140 Replacement ooa Deam 3 50 FUNGON 2 32 of rm 222 esee dettes 3 14 Option B4 F nctilon o bo EIER 3 14 FSU B9
117. e bridge unit port and measure the level wave quantity bx at the port used for the measurement 1145 1078 82 3 75 E 4 Instrument Construction and Function Description R amp S ZVB Frequency Level Output level MEAS Output level REF 300 kHz 0 dBm 18 dBm 32 dBm 50 MHz 0 dBm 18 dBm 32 dBm 1 GHz 0 dBm 18 dBm 32 dBm 3 GHz 0 dBm 18 dBm 32 dBm 6 GHz 0 dBm 18 dBm 32 dBm 8 GHz 0 dBm 18 dBm 32 dBm With the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz If the measured values are more than 2 dB below the levels in the table the board must be replaced Method 2 The receive section of the associated reflectometer is OK gt Loosen cable W514 GEN gt Bridge unit at both ends and screw off at the bridge unit N B When loosening support the cable with a 7 mm spanner gt Connect the bridge input connector W514 to a functioning port using the R amp S SMA cable and R amp S SMA N adapter gt Screw a SHORT from the N calibration kit to the port connector gt Set the frequencies and levels listed in the table at the port used for the measurement and measure the level wave quantity ax or bx at the reflectometer associated with the bridge unit port Frequency Level Output level MEAS Output level REF 300 kHz 8 dBm 18 dBm 32 dBm 50 MHz 8 dBm 18 dBm 32 dBm 1 GHz 8 dBm 18 dBm 32 dBm 3 GHz
118. e countersunk screw 390 Refit the 2 front handles 410 using 4 screws Slide the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Record the generator and receiver correction data see Recording Correction Values Perform the factory system error calibration see Factory System Error Calibration 1145 1078 82 3 41 E 4 Instrument Construction and Function Description R amp S ZVB Replacing Generator Board R amp S ZVB4 8 only See Chapter 5 Spare Parts List Item 110 and drawing 1302 4960 08 Opening the instrument and removing the board v v Vv WV Remove the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 Remove the cover 130 Remove the fan cable Pull off the Generator Board 110 Installing the board and reassembling the instrument VV V V V Fit the new Generator Board 110 Reconnect the fan cable Fit the cover 130 Reinstall the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol fil
119. e for errors INFO Error Log Record the generator and receiver correction data see Recording Correction Values Perform the factory system error calibration see Factory System Error Calibration 1145 1078 82 3 42 E 4 R amp S ZVB Instrument Construction and Function Description Replacing Receiver Board R amp S ZVB4 8 only See Chapter 5 Spare Parts List Item 120 125 and drawing 1302 4960 08 Opening the instrument and removing the board Remove the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 Remove the cover 150 Pulloff the Receiver Board 120 125 Installing the board and reassembling the instrument Fit the new Receiver Board 120 125 Fit the cover 150 Reinstall the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 VV ON ON Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions gt When the instrument has been started check the protocol file for errors INFO Error Log gt Record the generator and receiver correction data see Recording Correction Values gt Perform the factory system error calibration see Factory System Error Calibration 1145 1078 82 3 43 E 4 Instrument Construction and Function Description R amp S ZVB Replacing Generator and Receiver Cover R amp S ZVB4 8 only See Service Circular 10028 and Chapter 5 Spa
120. e front cover and the keyboard frame Opening the instrument and removing the front unit gt Turn off the instrument and disconnect from the mains gt Remove the 4 screws in the front handles 410 right and left and take off the front handles gt Remove 3 5 mm connection cables only with option R amp S ZVBx B16 gt Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom gt Remove the countersunk screws 176 4 177 6 178 8 gt Pull out the front unit together with the keyboard and display 600 601 602 603 and place it with the key side on top of the instrument CAUTION The cables to the front module controller are still connected gt Disconnect the cables to the LCD the DC AC illumination converter the key pad keyboard the tachogenerator and if necessary the network connection to the front module controller Note When disconnecting cables be especially careful with the cable to the keyboard It is a foil cable and can only be removed when the locking device on the foil cable connector is released Removing the flexible switch board keyboard key pad gt Place the front unit with the key side upwards on a clean surface gt Remove knob 990 from the tachogenerator gt Undo the 10 countersunk screws 890 and remove the keyboard frame 800
121. ead off the level for the receiver to be tested wave quantity ax or bx 1145 1078 82 3 74 E 4 R amp S ZVB Instrument Construction and Function Description Frequency Output level Displayed level ax or bx 300 kHz 20 dBm 0 dBm 50 MHz 20 dBm 0 dBm 1 GHz 20 dBm 0 dBm 3 GHz 20 dBm 0 dBm 6 GHz 20 dBm 0 dBm 8 GHz 20 dBm 0 dBm With the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz 0 5 m 0 5 dB GHz 1 m If the measured values are more than 2 dB below the levels and ratios list in the table the board must be replaced Bridge unit levels The following is assumed e One reflectometer in the instrument is OK Method 1 The generator section of the associated reflectometer is OK output level at the port meets specifications gt Loosen cable W515 Bridge unit gt MEAS and cable W518 Bridge unit gt REF at both ends and disconnect at the bridge unit N B When loosening support the cable with a 7 mm spanner gt Connect the bridge unit output MEAS connector W515 or REF connector W518 to a functioning port using the SMA cable and adapter SMA N to a functioning port Terminate the bridge unit output that is not used with an SMA termination gt Screw a SHORT from the N calibration kit to the port connector gt Set the frequencies and levels listed in the table for the reflectometer associated with th
122. eck OV Reading the previous DC values gt Select Read in the Service Function Menu gt Set Service Functions 3 1 2 5 dc_meas_1V DcMeasMultiplier 3 1 2 5 dc_meas_1V DcMeasOffset 5 dc_meas_10V DcMeasMultiplier 3 1 2 3 1 2 5 dc_meas_10V DcMeasOffset 1145 1078 82 2 8 E 4 R amp S ZVB Manual Alignment and Recording Correction Values Correction Value Recording and Factory System Error Calibration Required test equipment see Table 2 1 e PC with IEC IEEE bus interface e ZVAB Service program e Power meter with power sensor e Signal generator e Calibration kit e N connector test cable Installation of the Alignment Program Install the program by double clicking on the setup exe file If you install the program for the second time the install shield will only remove the old installation You will have to start the setup exe again to perform the installation The tool has been tested with Windows XP and Windows NT Connect the PC ZVB power meter and signal generator via the IEC IEEE bus interface For a detailed operating description e g dealing with Configuration of the Program Writing Synthesizer Mapping and Shift Data to the Motherboard Recording Correction Values Factory System Error Calibration see the Usermanual doc Usermanual pdf file that comes with the installation packet and is installed in the directory C Program Files Rohde amp Schwarz ZVAB Service on the PC Checking the Gauge I
123. ed and tighter voltage tolerances used e Call the selftest in the INFO menu INFO Setup Info Start the selftest with the Se ftest softkey The selftest results are displayed on the screen Hardware Info Selftest Error Log Del Error Log HEHE In the selftest result table an abbreviation is used for every board designation Fr Nd1 Nd2 Sy1 DDSCON Sy1 DDSCON Rm1 Rm2 Rm3 Rm4 1145 1078 82 Frequency reference Network controller1 digital section Network controller2 digital section only 4 oort instruments Synthesizer1 Synthesizer2 only 3 port and 4 port instruments Reflectometer port1 Reflectometer port2 Reflectometer port3 applies only to 3 port and 4 port instruments Reflectometer port4 applies only to 4 port instruments 3 58 E 4 R amp S ZVB Instrument Construction and Function Description Total selftest status user mode PASSED Instrument Type R amp S ZVB8 with 4 Ports Part Number 1145 1010k10 Product ID 01 00 Serial Number 100124 IP Addresses IP Address 0 0 0 0 amp nbs Subnet Mask 0 0 0 0 IP Address 0 0 0 0 Subnet Mask 0 0 0 0 IP Address 127 0 0 1 Localhost Subnet Mask 255 0 0 0 SyMapping R amp S ZVB8_P4 LO Divider is active Date 05 28 04 Time 14 52 57 Voltages Fr Test description Min Max Result State 10V_A SUPPLY 1 550V 1 950V 1 756V PASSED 5V_A SUPPLY 1 400V 1 800V 1 560V PASSED 5V_REF 1 400V 1 800V 1 560V PASSED 12V_STB 1
124. ent Construction and Function Description Service Functions R amp S ZVB The service functions allow you to examine particular circuit sections on specific boards or to make well defined settings that would normally change automatically according to the state of the instrument e g the IF There are a number of service functions which if used incorrectly could cause the instrument to malfunction Usually these functions are disabled They are enabled only after a code number PASSWORD has been entered There are three different service levels Service level Password 0 No password necessary 1 894129 2 30473035 venu gt masmi 1145 1078 82 System Config Measurement Wizard Print e Internal Reference External Reference Preset GPIB Address Service Function External Tools gt 3 64 Service Function oT Enter Password 1 4 R amp S ZVB Instrument Construction and Function Description Service Function Structure Group Main Sub ID Function Address Data Group Applies to 1 API 2 HW boards Boards Boards Main ID Sub ID 0 All boards 0 1 Network controller1 0 All board 1 PCI 2 ND 3 NA 2 Network controller2 5 Motherboard 0 9 Frequency reference 0 11 Synthesizer1 0 All board 1 SY1 2 SY2 3 SY3 4
125. entring disk 135 is also removed Carefully insert the new inner conductor in the bridge unit enclosure and screw back the N outer conductor lock with Loctite 262 mount with torque 3 5 Nm Reassembling the instrument v Vv V Reinstall the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to 540 Connect the mains cable and turn on at the mains switch The instrument is now in standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Perform factory system error calibration see Factory System Error Calibration 1145 1078 82 3 45 E 4 Instrument Construction and Function Description R amp S ZVB Replacing the Bridge Unit R amp S ZVB4 8 only See Chapter 5 Spare Parts List drawings 1145 1010 1145 3664 Item 100 Opening the instrument and removing the reflectometer gt Remove the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 Removing the bridge unit gt Loosen the MEAS REF and GEN cables 310 320 300 at both ends and disconnect at the bridge unit N B When loosening support the cable with a 7 mm spanner Remove the 3 screws 160 and carefully pull the bridge unit off the reflectometer Remove the 2 screws 240 and remove the plate 230 Fitting the new bridge unit gt gt Secure plate 230 to the new bridge unit using the 2 screws 240
126. erminations gt Connect N test cable to a functioning instrument port and perform 1 port calibration at the end of the cable gt Connect the end of the test cable to the port of the bridge unit under test and display the Sxx magnitude on the screen Frequency range Sxx dB 300 kHz to 2 GHz 12 dB 2 GHz to 8 GHz 18 dB If the values in the table are exceeded the board must be replaced 1145 1078 82 3 77 E 4 Instrument Construction and Function Description R amp S ZVB Testing the Reflectometer RM20 Generator levels It is assumed that the synthesizer section synthesizer1 associated with the reflectometer to be tested is OK gt Loosen cable W514 GEN gt coupler unit at both ends and screw off at the generator output GEN gt Connectthe generator output to the spectrum analyzer using the R amp S SMA cable gt Setthe R amp S ZVB to the CW sweep mode gt Set the frequencies listed in the table gt Set the power listed in the table Frequency Set power to Level on GEN output 2nd harmonic 3rd harmonic 10 MHz 10 dBm 13 0 dBm 100 MHz 10 dBm 13 0 dBm 21 dBc 21 dBc 1 GHz 10 dBm 13 2 dBm lt 21 dBc 21 dBc 4 GHz 10 dBm 13 7 dBm lt 21 dBc lt 21 dBc 8 GHz 10 dBm 14 3 dBm lt 21 dBc lt 21 dBc 9 GHz 10 dBm 14 5 dBm lt 21 dBc 12 GHz 10 dBm 15 0 dBm 15 GHz 5 dBm 7 5 dBm 18 GHz 5 8 0 20 GHz 5 dBm 8 3
127. ery and reassembling the instrument CAUTION Never short circuit the battery gt Insert the battery under the spring in the holder N B The positive pole of the battery must be uppermost Reinsert the front unit in the instrument and secure to the front frame with 4 countersunk screws 610 gt Refit the countersunk screws 176 4 177 6 178 8 CAUTION Avoid trapping cables and ensure cabling is tidy Replace the front cover 300 to 330 and screw the countersunk screw 390 Reconnect the 3 5 connection cables only with option R amp S ZVBx B16 Refit the 2 front handles 410 using 4 screws 1145 1078 82 3 26 4 R amp S ZVB Instrument Construction and Function Description Putting into operation gt Connectthe mains cable and turn on at the power switch The instrument is now in standby mode gt Select Service Level 2 see Service Functions gt When the instrument has been started check the protocol file for errors INFO Error Log Replacing Hard Disk A60 See Chapter 5 Spare Parts List Item 710 and drawings 1145 1010 and 1145 1290 The hard disk is located between the controller tray and the boards The spare disk is delivered with the software pre installed Before removal Whenever possible back up the user data on an external data storage medium Opening the instrument and replacing the hard disk Turn off the instrument disconnect from the
128. est Error Log Del Error Log Cause of error Data cannot be read from one more boards When the instrument is booted all the calibration data that is required must be written to the processor s RAM When the NWA application is started the entry on the hard disk is compared with the Eprom data on the board If the data matches the data is loaded from the hard disk into RAM If there is not a match the Eprom data is written to the hard disk and then loaded into RAM If the data at the specified address cannot be read a check is made in Config ini to check if the board in question should be present If so the board is simulated i e if this board is present and is functioning physically the instrument will function and an entry is made in the ErrorLog file If a board must always be physically present frequency reference synthesizer1 NetworkControler1 reflectometer1 reflectometer2 an error message is output See Troubleshooting with the Selftest 1145 1078 82 3 57 E 4 Instrument Construction and Function Description R amp S ZVB Troubleshooting with the Selftest The selftest is used to check supply voltages to the boards including voltages generated on the boards themselves On the frequency reference board two clock signals 128 MHz and ADC CLK are also measured Starting the selftest e Select Service Level 2 see Service Functions this means that the temperature sensor readings are display
129. feet 460 into position Vv V V V Y V Reconnect the mains cable and turn on at the mains switch The instrument is now in the standby mode 1145 1078 82 3 49 E 4 Instrument Construction and Function Description R amp S ZVB Replacing Network Controller Board A130 A140 See Chapter 5 Spare Parts List Items 100 105 and drawing1145 1010 The board is in the upper section of the instrument Opening the instrument and removing the board gt gt gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Lift off the instrument top cover 296 after undoing the 23 2 ports or 28 4 ports countersunk screws 298 Extract the network controller using the ejector lever Fitting the board and reassembling the instrument v Vv Vv WV Fit the new board the instrument Refit the top instrument cover 296 with 23 2 ports or 28 4 ports countersunk screws 298 Slide the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Record the receiver correction data see Recording Correction Values Perform factory system error calibration see Factory System Erro
130. ff the enclosure 400 backwards Remove the 2 countersunk screws 796 in the top of the instrument and the 8 sems screws 795 in the rear panel of the power supply Pull out the power supply unit a little at the rear of the instrument remove screw 737 and anti touch guard 736 On the left hand side of the power supply pull off the fuse board 735 to the left Disconnect the two mains cables from the fuse board Fitting the new fuse board and the power supply Vy V Y V V YV V Connect the mains cables to the fuse board and refit the fuse board to the power supply Secure the anti touch guard 736 with screw 737 Reinstall the power supply by reversing the removal procedure Push the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable turn on at the mains switch and press the ON key Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log 1145 1078 82 3 36 E 4 R amp S ZVB Instrument Construction and Function Description Replacing a Fan See Chapter 5 Spare Parts List 15 and drawings 1145 1010 1145 1290 1145 1332 The fans three in all are located behind the right hand side panel Opening the instrument and removing the fan gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards
131. formance Test Report R amp S ZVB Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance Page 1 13 21 range R amp S ZVB14 R amp S ZVB20 Test frequency 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1 GHz 1 5 GHz 2 GHz 2 1 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz 4 1 GHz 4 5 GHz 5 GHz 5 05 GHz 5 7 GHz 6 GHz 6 35 GHz 6 36 GHz 7 GHz 7 5 GHz 8 GHz 9 0 GHz 11 0 GHz 13 0 GHz R amp S ZVB20 only 15 0 GHz 17 0 GHz 19 0 GHz 20 0 GHz 1145 1078 82 1 42 4 R amp S ZVB Performance Test Report Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance Port _ _ Page 1 14 Dynamic range reduced due to spurious R amp S ZVBA ZVB8 only Test frequency 16 MHz 32 MHz 48 MHz 96 MHz 192 MHz 496 MHz 752 MHz 1008 MHz 1504 MHz 2000 MHz 2096 MHz 2496 MHz 3008 MHz 3504 MHz 4000 MHz R amp S ZVB8 only 4096 MHz 4496 MHz 5008 MHz 5056 MHz 5696 MHz 6000 MHz 6352 MHz 6368 MHz 6992 MHz 7488 MHz 8000 MHz 7 Only units with synthesizers 1145 1145 1078 82 1 43 4 Performance Test Report Coveredon Min value Page 1 15 Parameter Accuracy DC meas 1 V Pos Input 1000 m V 300 mV 10 10 mV 300 mV 1000 9 Input 1000 V 300 mV 10 10 mV 300 mV 1000 1 15 meas 10 V Pos Input 10 0 V 3 0 V 0 1 V 0 1 V
132. h the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz 0 5 m or 0 5 dB GHz 1 m If the measured values are more than 2 dB below the levels list in the table the board must be replaced Coupler unit levels The following is assumed e One reflectometer in the instrument is OK Method 1 The generator section of the associated reflectometer is OK output level at the port meets specifications gt Loosen cable W515 coupler unit gt MEAS and cable W518 coupler unit gt REF at both ends and disconnect at the bridge unit gt Connect the coupler unit output MEAS connector W515 or REF connector W518 to a functioning port using the SMA cable and adapter SMA N to a functioning port Terminate the coupler unit output that is not used with an SMA termination gt Screw a SHORT from the calibration kit to the port connector gt Set the frequencies and levels listed in the table for the reflectometer associated with the coupler unit port and measure the level wave quantity bx at the port used for the measurement 1145 1078 82 3 79 E 4 Instrument Construction and Function Description Frequency Level Output level MEAS Output level REF 10 MHz 0 dBm 50 dBm 3 dB 47 dBm 3 dB 100 MHz 0 dBm 35 dBm 3 32 dBm 3 dB 1 GHz 0 dBm 15 dBm 3 dB 11 dBm dB 2 GHz 0 dBm 10 dBm 3 dB 4 7 dBm 3 dB
133. k frequency of 80 MHz The main functions on the board are e Mixing to the baseband e Filter with bandwidths from 1 Hz to 100 kHz in 1 3 5 sequence e Detectors PCI interface e Setting and routine control The current measured value sample the average the RMS and the Max can be recorded simultaneously and passed on to the main processor via the PCl bus The connection to the PCl bus is made via the PCINT FPGA A further FPGA FCON contains the central section of the procedure control from measurement point to measurement point and the trigger control This FPGA is configured by the main processor The A D converters for ext DC measurements are also accommodated on the netcon digital board 1145 1078 82 3 13 E 4 Instrument Construction and Function Description R amp S ZVB Frequency reference The frequency reference board generates the highly stable and spectrally pure clock signals required by the R amp S ZVB which can be phase locked to external synchronisation signals The various function blocks are The 128 MHz VCXO voltage controlled crystal oscillator which generates a stable low noise reference frequency for the synthesisers for the A D converters and for digital signal processing The PLL for phase locking the VCXO signal to an external reference signal or to a 10 MHz OCXO oven controlled crystal oscillator option The VCO and PLL which generate the clock for the netcon digital board locked to the 128 MHz VCXO
134. ken 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 01 R amp S ZVB Contents Table of Contents Chapter 1 Performance Test 1 Performance 1 1 Preliminary 1 1 Test Equipment and Accessories I u uu nnt nnne nennen 1 2 Performance Test 25 aasawa ma w ana KARON NEARE RASO awa ERE HR DER ER 1 4 Checking the Frequency Uncertainty eee eee ee eee eee eee eee 1 4 Checking the Flarmonics dite repe tud ete ais 1 5 Checking the Maximum Output Power sees ee eee eee n 1 6 Checking the Accuracy of Output ee eee eee mener 1 7 Chec
135. king the Output Linearity u 1 8 Checking the Power Measurement Uncertainty sse mee 1 9 Checking the Input Linearity U U rennen nnns 1 10 Checking the Input Noise Level u 1 11 Checking the Matching raw eene ennemis 1 12 Checking the Dynamic Range e eee ereer eenn 1 13 Checking the Dynamic Range reduced due to Spurious 1 14 Checking the DC Measurement Inputs n 1 15 Checking the optional R amp S ZVB20 B80 Low Frequency Extension 1 16 Checking the optional R amp S ZVB20 B81 External 1 17 Performance Test Report 1 18 1145 1078 82 I 1 1 4 R amp S ZVB Preliminary Remarks 1 Performance Test Preliminary Remarks The required characteristics of the network analyzer are checked after a warm up time of at least 60 minutes this ensures that the guaranteed data is met The values stated in the following sections are not guaranteed data only the specifications in the data sheet are binding The values in the data sheet are guaranteed limits Because of the measurement errors that arise these limits must be in
136. l to the measurement channel without the buffer amplifier In the mixers the input signal is directly converted to the IF range approx 15 to 21 MHz The mixers are used as basic wave mixers in the range 10 MHz to 8 GHz in the upper range harmonic mixing is used IF RF Each of the reflectometers contains a voltage controlled fan to perform optimum cooling 1145 1078 82 3 12 E 4 R amp S ZVB Instrument Construction and Function Description Network controller The network controller comprises two boards the netcon analog and the netcon digital which are screwed together to form a single unit The boards are four channel in other words one network controller is required for two ports 2 measurement channels 2 reference channels After A D conversion the network controller performs high speed digital processing on the IF signals from the reflectometers Netcon analog The netcon analog board is a 4 channel IF amplifier and one 14 bit A D converter per channel The transmission bandwidth is 13 MHz to 26 MHz A dither generator is used to linearize the A D converter characteristic The board also accommodates a temperature sensor which is only used for general temperature checks and not to correct measurement results Netcon digital The netcon digital board further processes the digitized raw data from the netcon analog board Speed considerations mean that digital signal processing is performed in an ASIC which has a cloc
137. leased version and ZVAB_XX_YY_BETAZZ MSI for a test version This file must be made available to the instrument via a suitable medium Memory Stick USB CD ROM drive network or Remote Desktop The instrument firmware is installed when you double click on the file The instrument is ready for operation after you switch off and then switch back on again 1145 1078 82 4 1 4 R amp S ZVB Installing Options The following options can be fitted to the R amp S ZVB Oven Controlled Crystal Oscillator OCXO Time Domain Mixer and Harmonic Measurement Direct Generator Receiver Access for R amp S ZVB14 1145 1010 17 only 2 port for R amp S ZVB14 1145 1010 19 only 4 port for R amp S ZVB20 1145 1010 23 only 2 port for R amp S ZVB20 1145 1010 25 only 4 port Generator Step Attenuator for R amp S ZVB4 and R amp S ZVB8 only for Port 1 for Port 2 for Port 3 R amp S ZVAB B4 R amp S ZVAB K2 R amp S ZVAB K3 R amp S ZVB14 B16 R amp S ZVB14 B16 R amp S ZVB20 B16 R amp S ZVB20 B16 R amp S ZVB8 B21 R amp S ZVB8 B22 R amp S ZVB8 B23 Install according to the instructions that are supplied with the option These installation instructions can be appended to this chapter Installing Options 1164 1757 02 1164 1657 02 1164 1592 02 1164 1240 17 1164 1240 19 1164 1240 23 1164 1240 25 1302 5480 02 1302 5073 02 1302 5496 02 The OCXO option is permanently integrated on the frequency reference board mod 03 mod 05
138. lectometer in case of Mod 22 this is also necessary for the second reflectometer of the associated 2RM unit R amp S ZVB14 mod 14 and 19 R amp S ZVB20 mod 20 and 25 Remove the screws 232 and take off the cover 230 R amp S ZVB14 R amp S ZVB17 R amp S ZVB20 mod 20 21 and 23 R amp S ZVB14 mod 19 port3 and4 R amp S ZVB20 mod 25 port3 and4 Remove the screws 210 215 or 246 248 and take out the reflectometer R amp S ZVB20 mod 22 Remove the screws 210 take out the complete 2RM unit and remove the screws 90 R amp S ZVB14 mod 19 port1 and 2 R amp S ZVB20 mod 25 port1 and 2 Remove the reflectometer for port1 port2 Then remove the screws 210 and take out the reflectometer Installing the board and reassembling the instrument gt Insert the new reflectometer into the instrument by reversing the removal procedure and reconnect any cables that have been disconnected Fit the instrument base cover 297 and secure with 12 countersunk screws 299 Slide the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log Record the generator and receiver correction data see Recording Correction Values Perform the factory system error ca
139. lem with Probable Also possible Frequency accuracy Frequency reference SSB phase noise Only one port Synthesizer1 All ports Frequency reference Level accuracy Only one port Reflectometer associated with defective port All ports Synthesizer1 Max output level Only one port Reflectometer associated with defective port All ports Synthesizer1 Absolute accuracy wave quantity a Reflectometer associated with defective port Level linearity Reflectometer associated with defective port Harmonic ratio Reflectometer associated with defective port Synthesizer1 Spurious suppression Synthesizer1 Matching portx Bridge unit of reflectometer associated with the defective port Directivity portx Bridge unit of reflectometer associated with the defective port Receiver absolute accuracy Port 1 2 Port 3 4 All ports Reflectometer associated with defective port Reflectometer associated with defective port Synthesizer1 Network controller1 Network controller2 Frequency reference Receiver linearity for high levels Portx All ports Reflectometer associated with defective port LO divider LO divider Synthesizer2 Receiver linearity for low levels Port1 2 Port3 4 Network controller1 Network controller2 Receiver noise level portx Reflectometer associated with defective port Synthesizer2 or synth 1 for 2 port models Dynamic range portx Reflect
140. libration see Factory System Error Calibration 1145 1078 82 3 47 E 4 Instrument Construction and Function Description R amp S ZVB Replacing the Coupler Unit R amp S ZVB20 only See Chapter 5 Spare Parts List drawing 1145 1010 item 200 Opening the instrument and removing the coupler gt V V V V Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards Remove the instrument base cover 297 after undoing the 12 countersunk screws 299 Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove 3 5 mm connection cables only with option R amp S ZVBx B16 Remove the countersunk screw 390 next to the display and pull off the front cover forwards Disconnect the 3 RF cables and the bias cable from the coupler Remove the 4 screws 181 186 220 in the front of the instrument next to the port connector and take out the coupler Fitting the new coupler unit and reassembling the instrument Vy V V V V V V V V V Insert the coupler into the instrument and screw in the 4 screws 181 186 220 Reconnect the 3 RF cables and the bias cable Fit the instrument base cover 297 and secure with 12 countersunk screws 299 Refit the front cover and screw in the countersunk screw 390 Refit the front handles 410 Refit 3 5 mm connection cables only with option R amp S ZVBx B16 Push the
141. mance Test Checking the Output Linearity Instrument Test setup Spectrum analyzer settings R amp S ZVB settings Measurement Calculation 1145 1078 82 Spectrum analyzer see Chapter Test Equipment Item1 Test cable see Chapter Test Equipment Item Connect the spectrum analyzer to port 1 port 2 to port 4 Note Synchronize the reference oscillators in the spectrum analyzer and in the R amp S ZVB PRESET FREQ SPAN ZERO SPAN BW MANUAL RES BW 100 Hz MARKER DETECTOR RMS AMPT REF LEVEL 5 dBm Mode ALC On For measurement frequencies see Performance Test Report Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 a3 Src Port 3 a4 Src Port 4 Sweep Sweep CW CW Frequency fgen Power Icen Sweep Single Restart For measurement frequencies and levels Icen see Performance Test Report Read the spectrum analyzer s marker values level L The measured values are referred to the level at the R amp S ZVB setting of 10 dBm Calculating the generator level linearity Level linearity L Lg 4oagm Step width in dB Step width lyen 710 dBm reference 1 8 4 R amp S ZVB Performance Test Checking the Power Measurement Uncertainty Instrument Preparation test setup R amp S ZVB settings Measure
142. ment 1145 1078 82 Power sensor or Power meter with power sensor see Chapter Test Equipment Item2 Signal generator see Chapter Test Equipment Item5 Power splitter see Chapter Test Equipment Item6 Calibration kit see Chapter Test Equipment Item4 Test cable see Chapter Test Equipment Item Connect the signal generator to the power splitter input using the test cable Connect the power sensor to a power splitter output Connect the other power splitter output to port1 port2 to port 4 using an adapter from the calibration kit The reference oscillators in the signal generator and in the R amp S ZVB must be synchronized Preset Meas Wave Quantities b1 Src Port 1 b2 Src Port 2 b3 Src Port 3 b4 Src Port 4 Power RF Off Meas Bandwidth 100 Hz Marker Sweep Sweep Type CW Mode CW Frequency Sweep Single Restart For the measurement frequencies see Performance Test Report fGEN Signal generator CW Mode Frequency fyen Signal generator level 5 dBm Adjust the signal generator level so that the power meter reads 0 dB 0 2 dB Determine the signal generator level that gives 10 dBm at the splitter output This level is required for the following measurement Checking Receiver Linearity Read off the power meter display and the R amp S ZVB marker values Level error Lzyg Lps 1 9 4 Perfo
143. ms 17 19 1145 1384 sheet 1 R amp S ZVB display unit Items 800 1060 1145 1770 sheet 1 R amp S ZVB Option B4 1145 3593 sheet 1 8GHz Bridge 1145 3664 sheet 1 RM 4 8 1145 4277 sheet 1 RM20 The terms left and right always mean left and right as seen looking at the front of the instrument 1145 1078 82 3 20 E 4 R amp S ZVB Instrument Construction and Function Description Board Overview Table 3 1 Overview Board Replacement Board Actions after replacement Function test Alignment Other Recording of correction values System error calibration Front module controller Checkerrorlog BIOS update LC display DC AC converter Flexible switch board Functional test keyboard key pad 11 Motherboard Check error log Alignment DC measurement inputs Reflectometer Check error log Record correction values System error calibration Input connector port 1 to 4 Check error log System error calibration R amp S ZVB4 8 only Bridge unit Check error log Record correction values R amp S ZVB4 8 only System error calibration Coupler unit Check error log Record correction values R amp S ZVB20 22 only System error calibration Reflectometer fan Check error log Network controller Check error log Record correction values System error calibration Alignment DC measurement inputs Synthesizer Check error log Record correction values System error calibration LO divider Check e
144. n m fey Foy fu 29 E H H a EE FH r A NTN 52 H EA 5 z EE 8 8 GA amp E o c al e e O LO a a LO a a LO ask lt lt t j Sl X13 C e C x10 RM_LOCAL x5 RF REF w137 T IF REF D AM A503 GEN F3 kd Xi RECEIVER 20 SIR ATI2 X14 1 STR ATT X16 x9 X9 A540 520 A540 520 2RM UNIT ZVB 20 GHz 2RM UNIT ZVB 20 GHz MOD 22 MOD 22 incl W514A W515A W518A incl W514B W515B W518B X9 A530 510 2RM UNIT ZVB 20 GHz MOD 22 incl W514B W515B W518B W515A x22 BIAS A502 REFLECTOMETER 20 W166 A504 A510 only X RM UNIT ZVB 20 GHz MOD 21 incl W514 W515 W518 RM 1 W168 W169 A504 A504 A540 only 3poRT XH 520 only 3poRT Xu RM UNIT ZVB 20 GHz RM UNIT ZVB 20 GHz MOD 21 MOD 21 incl W514 W515 W518 incl W514 W515 W518 RM 4 RM 2 MEAS OUT REF OUT A504 GENERATOR 20 SMA W165 X11 GEN_IN Y AM SOURCE A501 E COUPLER 24 500 2 REFLECTOMETER 20 MOD 02 3PORT MOD 03 4 E E km L L m m L m A L L L L L L L L m
145. nction Description The R amp S ZVB s construction is shown schematically by the following block diagrams and the exploded drawings see also Chapter 5 The block diagram will help clarify the following function description of the instrument 1145 1078 82 3 1 E 4 Instrument Construction and Function Description R amp S ZVB Block Diagram See also Chapter 5 Annex and Drawings BRIDGE PORT 1 OPTION PORT 1 sumaya 15 to 21 MHz PORT 1 DIGITAL 1 1 gt DISPLAY 2 BRIDGE PORT 2 OPTION PORT 2 GENERATOR ATTENUATOR PORT 2 SYNTHESIZER 1 RENCE POWER SUPPLY Fig 3 1 Block diagram of the R amp S ZVB4 and R amp S ZVB8 2 ports 1145 1078 82 3 2 E 4 R amp S ZVB BRIDGE PORT 1 PORT 1 O BRIDGE PORT 1 K e BRIDGE PORT 1 PORT 3 O Fig 3 2 Block diagram of the R amp S and R amp S ZVB8 3 ports with LO Divider 1145 1078 82 Instrument Construction and Function Description OPTION GENERATOR ATTENUATOR PORT 1 OPTION GENERATOR ATTENUATOR PORT 1 2 2 EO OPTION GENERATOR ATTENUATOR PORT 1 3 3 15 to 21 MHz NETCON ANALOG 1 ERF SYNTHESIZER 1 15 to 21 MHz NETCON ANALOG 2 NETCON DIGITAL 1 TER
146. ncy uncertainty Harmonics Matching port 1 to port 4 Power measurement uncertainty Input linearity on R amp S ZVB14 20 BNC cable Male male approx 1 5 m General Device synchronisation DC power supply 12 V to 12 V R amp S NGSM 32 10 0192 0810 31 DC meas inputs Multimeter MU lt 0 2 DC range 1 V 10 V R amp S URE3 0350 5315 03 DC meas inputs Conn Cables for DC inputs 1145 1078 82 1 3 R amp S ZV ZT1 1164 1005 02 DC meas inputs 4 Performance Test R amp S ZVB Performance Test Compare with data sheet Checking the Frequency Uncertainty Instrument Spectrum analyzer see Chapter Test Equipment Item1 Test cable see Chapter Test Equipment Item Test setup Connect the spectrum analyzer to port 2 to port 4 Spectrum analyzer settings PRESET FREQ 1 GHz SPAN 50 kHz BW MANUAL RES BW 10 kHz MARKER MARKER MODE FREQ COUNT AMPT REF LEVEL 10 dBm R amp S ZVB settings Select System Internal Reference Preset Meas Wave Quantities a1 Src Port 1 Sweep Sweep CW CW Frequency 1 GHz Power 0 dBm Sweep Single Restart Measurement Read off the frequency indicated by the marker Frequency deviation marker value 1 GHz Max frequency deviation see Performance Test Report 1145
147. ng Generator Board R amp S ZVB4 8 only sse 3 42 Replacing Receiver Board R amp S ZVB4 8 only sse 3 43 Perform the factory system error calibration see Factory System Error Calibration Replacing Generator and Receiver Cover R amp S 2 4 8 only sse 3 43 Replacing Generator and Receiver Cover R amp S ZVB4 8 3 44 Perform the factory system error calibration see Factory System Error Calibration Replacing the Inner Conductor of a Port Connector R amp S ZVB4 8 3 44 Replacing the Inner Conductor of a Port Connector R amp S ZVB4 8 3 45 Replacing the Bridge Unit R amp S ZVB4 8 only 3 46 Replacing a Reflectometer RM20 A510 to BAU 3 47 Perform the factory system error calibration see Factory System Error Calibration Replacing the Coupler Unit R amp S ZVB20 sse enne 3 47 Replacing the Coupler Unit R amp S ZVB20 only emnes 3 48 Replacing the Reflectometer u u 3 49 Replacing Network Controller Board A130 A140 a 3 50 Replacing Synthesizer Board A150 A160 3 51 Replacing LO Divider AGUO Die en eC ana 3 52
148. ning support the cable with a 7 mm spanner gt Connect the generator output to the spectrum analyzer using the SMA cables and adapter SMA N gt Setthe power to 8 dBm gt Setthe R amp S ZVB to the CW sweep mode gt Set the frequencies listed in the table Frequency Level 2nd harmonic 3rd harmonic 300 kHz 16 dBm 50 MHz 16 dBm lt 21 dBc lt 21 dBc 1 GHz 16 dBm lt 21 dBc lt 21 dBc 3 GHz 16 dBm lt 21 dBc lt 21 6 GHz 16 dBm lt 21 dBc 8 GHz 16 dBm 21 dBc With the stated levels the cable loss must still be taken into account For the specified cable it is 0 25 dB GHz Receiver levels The following is assumed e The LO synthesizer section synthesizer1 mod 04 synthesizer2 associated with the reflectometer to be tested is OK e The network controller associated with the reflectometer to be tested is OK e One reflectometer in the instrument is functioning gt Loosen cable W515 Bridge unit gt MEAS and cable W518 Bridge unit REF at both ends and screw off at the MEAS and REF receiver inputs N B When loosening support the cable with a 7 mm spanner Connect the receiver input MEAS or REF to a functioning instrument port using an adapter cable and adapter SMA N gt Set the R amp S ZVB to the CW sweep mode gt Set the frequencies and output levels for the port used for the measurement as indicated in the table and r
149. nit Measurement tolerance Port 1 6 dBm 1 output power w o Opt B21 B22 B23 Test frequency R amp S ZVB4 and ZVB8 300 kHz 10 1 MHz 10 2 MHz 10 5 MHz 10 ZVB4 8 ZVB14 20 10 MHz 10 10 20 MHz 10 10 50 MHz 13 10 100 MHz 13 10 200 MHz 13 10 500 MHz 13 10 750 MHz 13 10 1 0 GHz 13 10 1 5 GHz 13 10 2 0 GHz 13 10 2 1 GHz 13 10 2 5 GHz 13 10 3 0 GHz 13 10 3 5 GHz 13 10 4 0 GHz 13 10 ZVB8 ZVB14 ZVB20 4 1 GHz 10 4 5 GHz 10 5 0 GHz 10 5 05 GHz 10 5 7 GHz 10 6 0 GHz 10 6 35 GHz 10 6 36 GHz 10 7 0 GHz 10 ZVB8 only 7 5 GHz 8 0 GHz ZVB14 ZVB20 7 5 GHz 8 0 GHz 8 1 GHz 10 0 GHz 10 1GHz 12 6 GHz 12 7 GHz ZVB20 only 16 0 GHz 16 1 GHz 18 0 GHz 20 0GHz 1145 1078 82 1 20 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance Port Q OQ 03 Qn Qn 03 03 OQ Q Q OQ QI N N N N N NO O O N N N N N N N NN N __ 1 dBm 1dB Max output power w Opt B21 B22 B23 Test frequency R amp S ZVB4 and ZVB8 300 kHz 1 MHz 2 MHz 5 MHz 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1 0 GHz 1 5 GHz 2 0 GHz 2 1 GHz 2 5 GHz 3 0 GHz 3 5 GHz 4 0 GHz R amp S ZVB8 only 4 1 GHz 4 5 GHz 5 0 GHz 5 05 GHz 5 7 GHz 6 0 GHz 6 35 GHz 6 36 GHz 7 0 GHz 7 5 GHz 8 0 GHz 1145 1078 82 1 21 4 Performance Test Report R amp S ZVB Parameter Covered on Min value Actual
150. nit acts as an FSU bus slave e to drive the LEDs instrument front panel e to drive the fan in five stages e for two temperature sensors on the motherboard e for an SPI EEPROM on the motherboard e Furthermore the software can detect which device R amp S ZVB4 or R amp S ZVB8 is present using the MBCON In addition to the voltages delivered by the power supply 28 V is produced from 12 V on the motherboard by means of a boosting switching regulator This voltage is required to operate the OCXO on the reference board when option B4 is fitted Each board has its own fuses for the supply voltages These fuses are soldered into position on the board All external supply voltages USB etc are protected to prevent shorts Board Replacement The following section is a detailed description of board replacement Chapter 5 tells you how to order spare parts It contains a list of mechanical parts and their order numbers as well as drawings relating to board replacement Note The numbers in brackets are the item numbers in the list of mechanical parts in Chapter 5 In turn these item numbers are the same as the item numbers in the drawings relating to board replacements also in Chapter 5 1145 1010 sheet 1 R amp S ZVB base instrument Items 10 120 260 470 1145 1010 sheet 2 to 7 R amp S ZVB base instrument Items 125 295 1145 1290 sheet 1 R amp S ZVB fundamental Items 500 799 1145 1332 sheet 2 R amp S ZVB metal frame ite
151. ocking device on the foil cable connector is released Removing the front module controller Remove the 10 sems screws 590 in the front module controller and remove the front module controller in the following way see Fig 3 2 Note The insertion force for the front module controller on the motherboard is very large The slot in the bottom of the controller tray is provided to facilitate pushing out the front module controller forwards Using a blunt flat tool carefully edge the board forwards CAUTION Do not insert the tool too far into the slot only apply pressure to the board To ease the board out apply light pressure to each and every slot Do not bend the board Fig 3 2 Removing the front module controller Installing the new front module controller and putting the instrument back together 1145 1078 82 3 22 E 4 R amp S ZVB Instrument Construction and Function Description Carefully insert the new front module controller on the motherboard and screw into place with 10 sems screws 590 Caution With type FMR6 1091 2520 00 there is a danger of shorting between board components tracks and screws 590 Use suitable insulation Reconnect the cables to the front module controller ensuring correct polarity Front Module Controller Typ FMR6 Connector for rotary pulse generator Contact side of switching foil keyboard up SSS CN
152. ofitting options The generator signal on R amp S ZVB4 8 300 kHz to 4 GHz or 300 kHz to 8 GHz is generated on synthesizer board 1 amplified in the generator section of the reflectometer board and then passes via the bridge to the port port1 to 4 and so to the DUT The reference signal Ref1 to 4 is split in the bridge and fed to the receiver section Receiver Ref1 to 4 on the reflectometer board The generator signal on R amp S ZVB14 20 10 MHz to 14 GHz or 10 MHz to 20 GHz is generated on synthesizer board 1 frequency multiplied filtered and amplified in the generator section of the reflectometer board and then passes via the coupler to the port port1 to 4 and so to the DUT The reference signal Ref1 to 4 is split in the coupler and fed to the receiver section Receiver to 4 on the reflectometer board The signal reflected or transmitted by the DUT Meas1 to 4 is fed to the port coupled out in the bridge or coupler unit and fed to the receiver section Receiver Meas 1 to 4 on the reflectometer board The internal reference frequencies are generated on the frequency reference board The 128 MHz reference frequency is generated there as an internal device reference The following sections describe the various boards in greater detail Reflectometer R amp S ZVB4 8 A reflectometer board comprising a bridge unit a generator section Generator and a receiver section Receiver are incorporated in every port Port1 to 4 The
153. ogether to form a compact unit Coupler unit The coupler unit contains a bias T and two directional couplers One coupler is used to separate the signal going to the DUT from the signal coming from the DUT The reference signal measure of the signal to the DUT is obtained from the second coupler The reference signal provides a reference for relative measurements Generator The generator contains a frequency doubler for the range 8 GHz to 16 GHz a switchable filter unit a second frequency doubler with filter for the range 16 GHz to 20 GHz and a broadband amplifier for the frequency range 10 MHz to 20 GHz with two adjustable attenuators to keep the output level constant and to attenuate it electronically Basic frequency range Doubler 1 Frequency Doubler 2 Output frequency from synthesizer 10 MHz to 8 0 GHz 10 MHz to 8 0 GHz 10 MHz to 8 0 GHz 4 GHz to 5 05 GHz 8 0 GHz to 10 1 GHz 8 0 GHz to 10 1 GHz 5 05 GHz to 6 35 GHz 10 1 GHz to 12 7 GHz 10 1 GHz to 12 7 GHz 6 35 GHz to 8 0 GHz 12 7 GHz to 16 0 GHz 12 7 GHz to 16 0 GHz 4 0 GHz to 5 0 GHz 8 0 GHz to 10 0 GHz 16 0 GHz to 20 GHz Receiver The receiver section has two channels measurement channel and reference channel and uses single conversion The measurement channel contains a buffer amplifier two mixers for each of the frequency ranges 10 MHz to 2 5 GHz and 2 5 GHz to 20 GHz LO amplifiers and an IF amplifier The reference channel is equa
154. ometer associated with defective port see Circular 10028 Synthesizer2 or synth 1 for 2 port models DC measurement input1V Motherboard Network controller1 DC measurement input 10V Motherboard Network controller1 Frequency reference input output Frequency reference Accuracy on S parameter measurements depending on meas bandwidth See Circular 10029 A board test should be performed before the board that has been deduced to be defective is replaced 1145 1078 82 3 68 E 4 R amp S ZVB Instrument Construction and Function Description Board Test When boards are being tested internal sources are used whenever possible This means that it is always assumed that the downstream board in the signal path is OK If a clear fault is not present the order of the board tests given below should always be followed The inputs and outputs of the boards to be tested can be accessed via cables in the lower section of the instrument except the frequency reference board Opening the instrument See Chapter 5 drawing1145 1010 gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards gt Remove the instrument base cover 297 after undoing the 12 countersunk screws 299 Only when testing the frequency reference board gt Lift off the instrument top cover 296 after undoing the 23 2 ports or the 28
155. ount l ng Bump Uus Sprache Lang Aei Z I Blatt Z Sh The correct order of the mounting for Pos 252 is ROHDE amp SCHWARZ ZVB NETWORK ANALYZER 03 00 6 W158 W159 W169 W166 W156 W155 W165 W168 7 75 E zB 2007 03 26 1 ms w 1145 1010 01 0 1 2 X453 L 6 7 8 MOD19 25 CARA A Ua TU U For this document all rights are reserved F r dieses Dokument behalten wir uns alle Rechte vor E Projektions methode co 1114 Ts wl 1 1 LL THIS PAGE IS ONLY FOR 19 25 E um TERRI AT ROHDE amp SCHWARZ ZVB NETWORK ANALYZER 7 Sh Zeichn Nr Drawing No F ZVB 2007 02 20 1ESK 1145 1010 01 5 6 7 8 m For this document all rights are reserved F r dieses Dokument behalten wir uns alle Rechte vor Projektions me thode ao Projection Method H 22 25 VAROS8 09 FN 5 14 1 7 B 7 Y 0 0 Oa v v e gt 15552 2 y VAROS 09 20 22 25 8 09 680 20 22 23 20009 09 QS 09 20 22 23 VAROB 09 20 22 235 0021 22 03 690 7 09 20 22 23 gesteckt auf Motherboard X30 connected on motherboard X30 voriontenerkloeruno Versi ons VAR
156. ountersunk screws 176 4 177 6 178 8 CAUTION Avoid trapping cables and ensure cabling is tidy Replace the front cover 300 to 323 and secure with the countersunk screw 390 Reconnect the 3 5 mm connection cables only with option R amp S ZVBx B16 Refit the 2 front handles 410 using 4 screws Refit the top instrument cover 296 with 23 2 ports or 28 4 ports countersunk screws 298 Connect the mains cable turn on at the mains switch and press the ON key Check that all three fans are operating correctly fans are blowing air into the instrument VV VV V V V Turn off the instrument and disconnect the mains cabling again 1145 1078 82 3 37 E 4 gt gt Instrument Construction and Function Description R amp S ZVB Push the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable turn on at the mains switch and press the ON key Replacing Motherboard A10 See Chapter 5 Spare Parts List Item 510 and drawings 1145 1010 1145 1290 The motherboard is located on the base of the instrument N B The motherboard can only be replaced at R amp S service centers Opening the instrument and removing the motherboard gt gt the instrument and disconnect from the mains screw off the 4 feet 460 and pull off the enclosure 400 backwards Lift off the top instrument cover 296 after undoing the 23 2 port
157. p FMR6 Connector for rotary pulse generator Contact side of switching foil keyboard up O E u J o 8 8 5 5 CPU 5 8 M 8118 mm m I Batte 29 gt LAN 1 LAN 2 Bay Ey A Connector for display and converter adapter board Fig 3 5 Location of the edge contacts on the front module controller gt Reinsert the front unit in the instrument and secure to the front frame with 4 countersunk screws 610 gt Refit the countersunk screws 176 4 177 6 178 8 CAUTION Avoid trapping cables and ensure cabling is tidy Replace the front cover 300 to 330 and secure with countersunk screw 390 gt gt Reconnect the 3 5 mm connection cables only with option R amp S ZVBx B16 gt Refit the 2 front handles 410 using the 4 screws gt Connect the mains cable turn on at the mains switch and press the ON key 1145 1078 82 3 29 E 4 Instrument Construction and Function Description R amp S ZVB Replacing Flexible switch board Keyboard A16 Key Pad A15 See Chapter 5 Spare Parts List Items 860 870 875 877 and drawings 1145 1010 1145 1384 The flexible switch board keyboard and key pad are located behind th
158. r Remove the 2 countersunk screws 796 in the top of the instrument and the 8 sems screws 795 in the rear panel of the power supply Pull out the power supply unit a little at the rear of the instrument remove screw 737 and anti touch guard 736 the left hand side of the power supply pull off the protective conductor cable and fuse board 735 to the left On the right hand side of the power supply remove the plug on connections to the motherboard Remove the power supply unit Remove the 4 screws 793 and washers 792 and remove the power supply 790 from the power supply plate 791 Installing the new power supply VV VV WV Fit the new power supply by reversing the removal procedure Push the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable turn on at the mains switch and press the ON key Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log 1145 1078 82 3 35 E 4 Instrument Construction and Function Description R amp S ZVB Replacing Fuse board A21 See Chapter 5 Spare Parts List Item 735 and drawings 1145 1010 1145 1290 The fuse board is installed on the left hand side of the power supply Removing the power supply and the fuse board gt gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull o
159. r 300 kHz to 20 GHz R amp S NRVD Sensor R amp S ZV Z51 0857 8008 02 0857 9004 02 Max output power Accuracy of output power Power measurement uncertainty Calibration kit N 50 Q 300 kHz to 8 GHz R amp S ZV Z21 1085 7099 02 Input linearity Matching port 1 to port 4 Input noise level on R amp S ZVB4 8 Calibration kit 3 5 mm 50 Q 10 MHz to 20 GHz R amp S ZV Z32 1134 4293 02 Input linearity Matching port 1 to port 4 Input noise level on R amp S ZVB14 20 Signal generator 300 kHz to 20 GHz Power 40 dBm to 10 dBm R amp S SMR27 with Option R amp S SMR B15 R amp S SMLO1 1104 0002 27 1104 4989 02 1090 3000 11 Power measurement uncertainty Power splitter N 50 Ohm Teq lt 0 05 50 MHz to 8 GHz Output tracking lt 0 15 dB Weinschel 1870A Power measurement uncertainty Power splitter 3 5mm 50 Ohm Output tracking lt 0 25 dB Weinschel 1593 Power measurement uncertainty Test cable 1145 1078 82 N male N male approx 1 5 m Frequency uncertainty Harmonics Matching port 1 to port 4 Power measurement uncertainty Input linearity on R amp S ZVB4 8 4 R amp S ZVB Type of equipment Test cable Recommended characteristics or features 3 5mm male 3 5 mm female approx 1 5 m Test Equipment and Accessories Recommended model R amp S Order No Application Freque
160. r Calibration Align the DC inputs see Aligning the DC Inputs 1145 1078 82 3 50 E 4 R amp S ZVB Instrument Construction and Function Description Replacing Synthesizer Board A150 A160 See Chapter 5 Spare Parts List Items 110 111 112 113 115 and drawing 1145 1010 The board is located in the upper section of the instrument N B Synthesizers with part numbers 1145 xxxx or 1300 xxxx are no longer available In case of defect please contact the Central Service in Munich Opening the instrument and removing the board gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and pull off the enclosure 400 backwards gt Lift off the instrument top cover 296 after undoing the 23 2 ports or the 28 4 ports countersunk screws 298 gt Extract the synthesizer with the ejector lever Installing the board and reassembling the instrument gt Insert the new board into the instrument Refit the instrument top cover 296 securing with the 23 2 ports or the 28 4 ports countersunk screws 298 gt Push the enclosure 400 back on and screw the 4 rear panel feet 460 into position Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode gt Install firmware update if necessary version gt 1 78 gt Install synthesizer mapping see Correction Value Recording Select Service Level 2 see Service Functions
161. r available In case of defect please contact the Central Service in Munich Synthesizer1 gt Disconnect source cable at the reflectometer 1 to 4 depending on which synthesizer section is to be tested gt Connect the end of the source cable to the spectrum analyzer input via an adapter cable and adapter SMA N N B Bend the source cable as little as possible if necessary secure adapter cable with adhesive tape gt Set the frequencies listed in the table on the R amp S ZVB and check the values Sweep Sweep Type CW Mode CW Frequency Hz Sweep Single Restart Synthesizer 1145 xxxx or 1300 xxxx Frequency Level 2nd harmonic 3rd harmonic SSB noise R amp S ZVB carrier offset setting 100 kHz 300 kHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 130 dBc 100 MHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 130 dBc 1 GHz 0 dBm dB lt 28 dBc lt 28 dBc 126 dBc 2 GHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 120 dBc 3 GHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 116 dBc 4 GHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 112 dBc 6 GHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 108 dBc 8 GHz 0 dBm 3 dB lt 28 dBc lt 28 dBc 105 dBc Synthesizer LS 1302 4290 xx Source Mod 02 Frequency Source Level 2nd harmonic 3rd harmonic SSB noise R amp S 2 Mod 02 carrier offset setting 100 kHz 300 kHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 130 dBc 100 MH
162. re Parts List Items 130 150 and drawing 1302 4960 08 Opening the instrument and removing the cover Remove the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 Remove the RM mount 200 4 Screws 210 Remove the covers 130 150 Installing the cover and reassembling the instrument Fit the new covers 130 150 Refit the RM mount 200 Reinstall the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 v v ON ON Connect the mains cable and turn on at the mains switch The instrument is now in the standby mode Select Service Level 2 see Service Functions gt When the instrument has been started check the protocol file for errors INFO Error Log gt Record the receiver correction data see Recording Correction Values gt Perform the factory system error calibration see Factory System Error Calibration 1145 1078 82 3 44 E 4 R amp S ZVB Instrument Construction and Function Description Replacing the Inner Conductor of a Port Connector R amp S ZVB4 8 only See Chapter 5 Spare Parts List Item 110 and drawings 1145 1010 1145 3593 1145 3664 Opening the instrument and removing the reflectometer gt Remove the Reflectometer see chapter Replacing a Reflectometer RM8 A510 to A540 Replacing the inner conductor gt Unscrew the N outer conductor with a spanner narrow SW 14 mm and take out inner conductor unit N B Ensure that the c
163. rews 176 4 177 6 178 8 gt Pull out forwards the front unit together with the keyboard and display 600 601 602 603 Caution The cables to the front module controller are still connected gt Disconnect the cables to the LCD the DC AC illumination converter the key pad keyboard the tachogenerator and if necessary the network connection on the front module controller Note When disconnecting cables be especially careful with the cable to the keyboard It is a foil cable and can only be removed when the locking device on the foil cable connector is released 1145 1078 82 3 25 E 4 Instrument Construction and Function Description R amp S ZVB Removing the lithium battery gt Carefully lift up and pull out the battery Note Lithium battery 3 4 V dia 20 mm 3 mm R amp S Item 0858 2049 00 Front Module Controller Typ FMR6 Connector for rotary pulse generator Contact side of switching foil keyboard up o 3 5 5 CPU 1 5 8 m I Battery LAN1 LAN2 EN r HN e Connector for display and _ converter adapter board Fig 3 4 Location of the lithium battery on the front module controller Installing the new batt
164. rmance Test R amp S ZVB Checking the Input Linearity Instrument Calibration kit see Chapter Test Equipment Item4 R amp S ZVB settings Preset Meas Ratios b1 a1 Src Port 1 Meas Ratios b2 a2 Src Port 2 Meas Ratios b3 a3 Src Port 3 Meas Ratios b4 a4 Src Port 4 Meas Bandwidth 10 Hz Marker Sweep Sweep Type Power Start 40dBm Stop 10dBm CW Frequency fcen Sweep Single Restart For measurement frequencies see Performance Test Report 1 Test setup Connect a open male to port 1 port 2 to port 4 1 Measurement Trace Funct Data Mem Show Mem off 2 Test setup Connect a short male to port 1 port 2 to port 4 2 Measurement Math Data Mem on Set Ref Marker to 10dBm Select Delta Mode Set Marker1 to 40dBm up to 10dBm by 5dB steps Read off the differences of the Marker Values displayed by the R amp S ZVB 1145 1078 82 1 10 4 R amp S ZVB Performance Test Checking the Input Noise Level Test equipment Test setup R amp S ZVB settings Measurement 1145 1078 82 Calibration kit see Chapter Test Equipment Item4 Connect the Match Male from the calibration kit to port 1 port 2 to port 4 Preset Meas Wave Quantities b1 Src Port 1 b2 Src Port 2 b3 Src Port 3 b4 Src Port 4 Power RF Off Meas Bandwidth 10 Hz Marker Sweep Sweep
165. rogrammed Do not turn the instrument off when the program is running gt Follow the instructions on the screen gt Select Service Level 2 see Service Functions gt Check the protocol file for errors INFO Error Log 1145 1078 82 3 24 E 4 R amp S ZVB Instrument Construction and Function Description Replacing the Lithium Battery on the Front Module Controller See Chapter 5 Spare Parts List Item 582 and drawings 1145 1010 1145 1290 The lithium battery is located on the front module controller behind the front unit Caution Do not expose lithium batteries to high temperatures or naked flames Keep batteries away from children If the battery is not replaced correctly there is a risk of explosion Only use R amp S type replacement batteries See Chapter 5 Spare Parts List Item 776 for type FMR6 Lithium batteries are classified as special waste only use designated containers for disposal Opening the instrument and removing the front unit Turn off the instrument and disconnect from the mains supply Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove 3 5 mm connection cables only with option R amp S ZVBx B16 Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards Remove the 2 countersunk screws 610 the top of the front frame and the 2 in the bottom Remove the countersunk sc
166. rror log Record correction values System error calibration Frequency reference Check error log Alignment Frequency accuracy 1145 1078 82 3 21 E 4 Instrument Construction and Function Description R amp S ZVB Replacing Front Module Controller A90 See Chapter 5 Spare Parts List Item 580 and drawings 1145 1010 1145 1290 The front module controller is located behind the front unit Opening the instrument and removing the front unit gt Turn off the instrument and disconnect from the mains gt Remove the 4 screws from the front handles 410 left and right and take off the front handles gt Remove 3 5 mm connection cables only with option R amp S ZVBx B16 gt Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards gt Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom gt Remove the countersunk screws 176 4 177 6 178 8 gt Pull out the front unit together with the keyboard and display 600 601 602 603 forwards CAUTION The cables to the front module controller are still connected Disconnect the cables to the LCD the DC AC illumination converter the key pad keyboard the tachogenerator and if necessary the network connection on the front module controller N B When disconnecting cables be especially careful with the cable to the keyboard It is a foil cable and can only be removed when the l
167. s 140 141 Disconnect any cabling still on the motherboard fan floppy IEC bus etc Remove the 14 screws holding the motherboard 520 and take out the motherboard 1145 1078 82 3 39 E 4 Instrument Construction and Function Description R amp S ZVB Installing the motherboard and reassembling the instrument N B The motherboard is the passport of the instrument and unique for every unit The Eprom on the motherboard contains the serial No of the instrument Pre configured motherboards are not available gt Install the new motherboard by reversing the removal procedure N B Install the motherboard carefully to prevent any damage to components Lettering indicates where cables are to be connected gt Reinstall the front module controller front unit power supply boards and cables instrument covers enclosure and rear panel feet by reversing the disassembly procedure Connect the mains cable turn on at the mains switch and press the ON key For writing motherboard data to the Eprom please contact the service center in Munich Select Service Level 2 see Service Functions Check the protocol file for errors INFO Error Log Align the DC inputs see Aligning the DC Inputs VV V V V V Write synthesizer mapping and shift data to the motherboard Eprom see Correction Value Recording 1145 1078 82 3 40 E 4 R amp S ZVB Instrument Construction and Function Description Replacing a Reflectometer RM8 A510 to 540
168. s or 28 4 ports countersunk screws 298 Extract the top boards Use ejector lever for the synthesizer and network controller hold the frequency reference by the enclosure Remove the power supply 550 e Remove the 2 countersunk screws 796 in the top of the instrument and the 8 sems screws 795 the rear panel of the power supply s Pull out the power supply unit a little at the rear of the instrument remove screw 737 and anti touch guard 736 e On the left hand side of the power supply pull off the protective conductor cable and the fuse board 735 to the left e On the right hand side of the power supply pull off the plug in connections to the motherboard e Remove the power supply unit Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove 3 5 mm connection cables only with option R amp S ZVBx B16 Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom Remove the countersunk screws 176 4 177 6 178 8 Pull out the front unit together with the keyboard and display 600 601 602 603 forwards CAUTION The cables to the front module controller are still connected 1145 1078 82 3 38 E 4 gt v v Vv V V R amp S ZVB Instrument Construction and Function Description Disconnect the cables to the L
169. scription eese eese nene 3 1 Block Diagram nice iii 3 2 Description of the Block Diagram a U 3 11 Board u i S neat e 25H 255 ae S che ved eee uuu 3 20 Board OVE NEW y Z D A 3 21 Replacing Front Module Controller A90 a 3 22 Replacing the Lithium Battery on the Front Module 3 25 Replacing Hard Disk A60 5 ardua e aede ee e Pd DR ERES 3 27 Replacing LCD A70 and the DC AC Converter nee 3 28 Replacing Flexible switch board Keyboard A16 Key Pad 15 3 30 Replacing the Front nne ini 3 32 Replacing Disk Drive 9 ai 3 33 Replacing USB Board A40 iii ere UR Pe o n ERR d 3 34 Replacing Power Supply A20 n n 3 35 Replacing Fuse board A241 iue eb e e d e u HEEL Es 3 36 ReplaGing a u u uu uuu 3 37 Replacing Motherboard ATO S a R EET aans 3 38 Replacing a Reflectometer RM8 A510 to 540 eene 3 41 Replacing a Reflectometer RM8 A510 to 540 eene 3 41 Replaci
170. se three components are screwed together to form a compact unit Bridge unit The bridge unit is a resistive coupler which is used to separate the signal going to the DUT from the signal coming from the DUT The reference signal measure of the signal to the DUT is also obtained from the bridge unit The reference signal provides a reference for relative measurements Generator The generator contains three broadband amplifier stages which boost the signal coming from the synthesizer to a level gt 20 dBm Limiter diodes protect the output stage from ESDs A total of three adjustable attenuators form the setting element to keep the output level constant and to attenuate it electronically 1145 1078 82 3 11 E 4 Instrument Construction and Function Description R amp S ZVB Receiver The receiver section has two channels measurement channel and reference channel and uses single conversion Every channel contains a buffer amplifier two mixers for each of the frequency ranges 300 kHz to 4 GHz and 4 GHz to 8 GHz R amp S ZVB8 only with LO amplifiers and an IF amplifier In the mixer the input signal is directly converted to the IF range approx 15 to 21 MHz The inputs are protected by limiter diodes Reflectometer Unit R amp S ZVB14 20 A reflectometer unit comprising a coupler unit a generator section Generator and a receiver section Receiver are incorporated in every port Port1 to 4 The Generator and the Receiver are screwed t
171. st be replaced 1145 1078 82 3 82 E 4 R amp S ZVB Instrument Construction and Function Description Testing the Network Controller Board Testing the IF inputs It is assumed that there is one functioning reflectometer in the instrument gt Disconnect the IF MEAS and IF REF cable from each of the reflectometers Connect the input to be tested at the end of the appropriate IF cable W136 W137 W138 W139 and W146 W147 W148 W149 to a functioning port using the adapter cable and SMA N adapter Set the R amp S ZVB to CW sweep mode CENTER 17 512345 MHz Setting at the port used for the measurement POWER 10 dBm Setting at the port associated with the network controller under test WAVE QUANTIT Y ax or bx Enter service function 2 21 2 18 17512345 IF 17 512345 MHz Disable level corrections with SF 2 21 24 2 15 1 VV V Vv V If the level displayed on the R amp S ZVB s screen is not within the range 4 dBm 2 dB the board must be replaced 1145 1078 82 3 83 E 4 Instrument Construction and Function Description R amp S ZVB Testing the Motherboard 28 V supply Using a multimeter measure the voltage at X 100 B5 wrt ground Permissible deviation 0 5 V Preamplifier for DC measurement inputs Apply the DC voltages listed in the table using the 4 pin Mini DIN connector at the DC measurement input Measure the DC voltage with a multimeter Input Voltage at Gnd APPLIED
172. t is strongly recommended that every test port of the Vector Network Analyzer is gauged prior to its first use The gauge must be recalibrated whenever the connector adapter is changed and should be checked regularly using the gauge block for correct zero between adapter changes Table Connector pin depth tolerances Connector type Pin depth mm Pos tolerance mm Neg tolerance Type N female 3 5 mm male 2 92 mm male Procedure 1 Ensure the appropriate connector adapter is fitted to the dial gauge 2 Attach the gauge block to the gauge interface and rotate the dial so that the indication reads zero Lock the dial in position by tightening the screw on the side of the dial Disconnect the gauge block 3 Mate the connector to be measured to the gauge and note the indication 4 The connector is in gauge if the indication lies between the limits set by the connector specification see Table above For precision type N and 3 5mm connectors the calibrated zero indication on the dial corresponds to one extreme the other being 76 0 003 in anti clockwise on the dial CAUTION Damage to the connector or the one it is to may occur if the reading is positive 5 After use return the gauge set to its box 1145 1078 82 2 9 E 4 R amp S ZVB Instrument Construction and Function Description Table of Contents Chapter 3 Repairs 3 E E 3 1 Instrument Construction and Function De
173. the floppy disk drive wrt the cut out in the front cover Slide the enclosure 400 back on and screw the 4 rear panel feet 460 into position gt Connectthe mains cable turn on at the mains switch and press the ON key Function test VV Y V The instrument boots up and starts the instrument firmware Insert 3 disk with files Press the FILE key then the File Manager softkey and Edit Path Enter a and with the screen functions and terminate with the Enter key The directory structure of the disk displayed on the screen shows that the floppy disk drive is operating properly 1145 1078 82 3 33 E 4 Instrument Construction and Function Description R amp S ZVB Replacing USB Board A40 See Chapter 5 Spare Parts List Item 1050 and drawings 1145 1290 and 1145 1384 The USB board is located behind the front cover and the keyboard frame next to the ON key Opening the instrument and removing the USB board gt Turn off the instrument and disconnect from the mains gt Remove the 4 screws in the front handles 410 right and left and take off the front handles gt Remove 3 5 mm connection cables only with option R amp S ZVBx B16 gt Remove the countersunk screw 390 next to the display and pull off the front cover 300 to 330 forwards Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom gt Remove the countersunk screws 176 4 177 6
174. unter display e g 10 000005 MHz Change the left hand segment corresponding to bit 12 to bit 23 of the data word e g to 400000 instead of 800000 Read off the frequency counter display again e g 10 000001 MHz Change the left hand segment of the data word until the counter indicates precisely 10 000000 MHz 1145 1078 82 2 6 E 4 R amp S ZVB Manual Alignment and Recording Correction Values Writing data to the hard disk gt Change to computer application gt Select path C Documents and Settings AllUsers ApplicationData Rohde amp Schwarz NW A data eeprom FR config ini gt Transform data format to decimal gt Write decimal data to TUNE 128 PRETUNE without option ZVAB B4 OCXO_TUNE with option ZVAB B4 Writing to Eprom gt Select Service Level 2 see Service Functions gt Set Service Function 3 9 0 2 Aligning the DC Inputs At the outset ensure that the correction parameters Multiplier M and Offset F have been preset to M 1 and F 0 for both inputs This can be done using the Service Functions 3 1 2 5 and 3 1 2 2 which are described below under Service Functions Test equipment Power supply 2 x 0 to 10 V DC meter R amp S URE Test setup DC Meas 1 V DC Meas 10 V Connect DC voltage Connect DC voltage PN ts pin 6 3 Gnd 10 V pin 6 pin 3 Gnd 8 5 10 8 5 Check voltages with the R amp
175. value Max value Measurement tolerance Power Uncertainty output power 10 dBm Test frequency R amp S ZVB4 and ZVB8 300 kHz 1 MHz 2 MHz 5 MHz ZVB4 8 ZVB14 20 10 MHz 20 MHz ZVB4 8 14 20 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1 0 GHz 1 5 GHz 2 0 GHz 2 1 GHz 2 5 GHz 3 0 GHz 3 5 GHz 4 0 GHz ZVB8 ZVB14 ZVB20 4 1 GHz 4 5 GHz 5 0 GHz 5 05 GHz 5 7 GHz 6 0 GHz 6 35 GHz 6 36 GHz 7 0 GHz 7 5 GHz 8 0 GHz ZVB14 ZVB20 8 1 GHz 10 0 GHz 10 1 GHz 12 6 GHz 12 7 GHz ZVB20 only 16 0 GHz 16 1 GHz 18 0 GHz 20 0 GHz 1145 1078 82 1 22 4 R amp S ZVB Performance Test Report Parameter Covered on Min value Actual value Max value Measurement tolerance m 0 06 dB Power linearity w o Opt B21 B22 B23 Reference 10 dBm ZVB4 8 ZVB14 20 Freq Level 51MHz 20dB 15 dB 10 48 5 dB 5 dB 10 15 dB 1 20 ZVB4 8 2548 30 dB ZVB4 8 ZVB14 20 501 MHz 20 dB 15 48 10 dB 548 I 5 dB i 10 dB 15 dB 20 ZVB4 8 25 only 30 dB 1GHz 20dB 15 48 10 48 5 dB 5 dB 10 15 dB 20 ZVB4 8 2548 only 30 dB 2GHz 2048 15 48 10 48 548 5 dB 10 dB 15 dB 20 dB ZVB4 8 2548 only 30 dB 1 1145
176. x value Unit Measurement tolerance Port mE Page 1 13 Dynamic range R amp S ZVB4 8 3 port and 4 port unit w o Opt B21 22 23 Test frequency 300 kHz 1 MHz 2MHz 5 MHz 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1GHz 1 5 GHz 2GHz 2 1 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz R amp S ZVB8 only 4 1 GHz 4 5 GHz 5 GHz 5 05 GHz 5 7 GHz 6 GHz 6 35 GHz 6 36 GHz 7 GHz 7 5 GHz 8 GHz 1145 1078 82 1 39 4 Performance Test Report R amp S ZVB Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance Port mE Page 1 13 Dynamic range R amp S ZVB4 8 2 port unit w Opt B21 22 23 Test frequency 300 kHz 1 MHz 2MHz 5 MHz 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1GHz 1 5 GHz 2GHz 2 1 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz ZVB8 only 4 1 GHz 4 5 GHz 5 GHz 5 05 GHz 5 7 GHz 6 GHz 6 35 GHz 6 36 GHz 7 GHz 7 5 GHz 8 GHz 1145 1078 82 1 40 4 R amp S ZVB Performance Test Report Parameter Coveredon Min value Actual value Max value Unit Measurement tolerance Port mE Page 1 13 Dynamic range R amp S ZVB4 8 3 port and 4 port unit w Opt B21 22 23 Test frequency 300 kHz 1 MHz 2MHz 5 MHz 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1GHz 1 5 GHz 2GHz 2 1 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz R amp S ZVB8 only 4 1 GHz 4 5 GHz 5 GHz 5 05 GHz 5 7 GHz 6 GHz 6 35 GHz 6 36 GHz 7 GHz 7 5 GHz 8 GHz 1145 1078 82 1 41 4 Per
177. z 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 130 dBc 1 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 126 dBc 2 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 120 dBc 3 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 116 dBc 4 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 112 dBc 6 GHz 3 dBm to 7 dBm lt 27 dBc lt 30 dBc 108 dBc 8 GHz 3 dBm to 7 dBm lt 27 dBc lt 30 dBc 105 dBc 1145 1078 82 3 71 E 4 Local Mod 02 Mod 03 Local Mod 20 Instrument Construction and Function Description R amp S ZVB Frequency Local Level 2nd harmonic 3rd harmonic SSB noise R amp S ZVB Mod 02 carrier offset setting Mod 03 100 kHz 300 kHz 3 dBm to 3 dBm lt 28 dBc lt 5 dBc 130 dBc 100 MHz 3 dBm to 3 dBm lt 28 dBc lt 5 dBc 130 dBc 1 GHz 3 dBm to 3 dBm lt 25 dBc lt 5 dBc 126 dBc 2 GHz 3 dBm to 3 dBm lt 25 dBc lt 5 dBc 120 3 GHz 3 dBm to 3 dBm lt 25 dBc lt 5 dBc 116 dBc 3 8 GHz 3 dBm to 10 dBm lt 25 dBc lt 14 dBc 116 dBc 4 GHz 3 dBm to 3 dBm lt 25 dBc lt 30 dBc 112 dBc 5 2 GHz 2 dBm to 4 dBm lt 25 dBc lt 30 dBc 108 dBc 5 3 GHz 7 dBm to 2 dBm lt 25 dBc lt 30 dBc 7 2 GHz 7 dBm to 2 dBm lt 25 dBc lt 30 dBc 8 GHz 7 dBm to 0 dBm lt 25 dBc lt 30 dBc 105 dBc Frequency Local Level 2nd harmonic 3rd harmonic SSB noise

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