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R&S ZVT Service Manual

1. LC lt H 4 LO c m from 10 MOTHERBOARD m from 10 MOTHERBOARD 00 s a ta from 10 MOTHERBOARD s Du Sheet 3 fu Sheet 3 p a A A V V fu Sheet 3 2 2 Po 8 2 i V 5 cj cj x d Si d B Er Ez Er Ez 5 9 gt 9 SMA LO 2 si S S q sw R a 3 SMA Jl Jl E E SMA d MI d e 7 D m rd rd 22 m m m m og og og D dd e N N N j es d x o To Sm 53 pa 3 sa H g s gt gt Z sm gt Z sva H sj N N gt SMA N 3 94 Z Z xg Rm 9 ef of SE O O OD E Z R a SMA SMA 5 5 O S n Hz His E n EA aun sva S Ea 5 m A nL H sva E O OPTION ZVT8 B64 O OPTION ZVT8 B66 OPTION ZVT8 B68 E RTI A540 Le RT A560 DG E i O from A10 from A10 PORT A580 EG I 4 RM 4 6 RM 6 from A10 8 RM 8 z RM UNIT ZVT8 z RM UNIT ZVT8 ml lt MOD 02 e lt si MOD 02 e 9 lt RM UNIT ZVT8 RM4 SOURCE a MOD 02 lt 170 RM6 SOURCE 180 9 from 10 MOTHERBOARD 2 from 10 MOTHERBOARD E RM8 SOURCE 180 m Riot 8 m Shact d E from A10 MOTHERBOARD e Sheet 3 Legende legend ZVT8 OPTIONS 3 8PORT Cables to RM 3 z 8 Benennung Designat Spr Lang fAei C I Blatt Sh ROHDE amp SCHWARZ ZVT NETWORK ANALYZER de F RM n
2. SOURCE IN RM UNIT ZVT 20 GHZ MOD 20 r OPTION S ZVT20 B16 gn SOURCE OUT FRONT PANEL to OPTION ZVT20 B23 MOD 03 td B 4 B R58 R GEN ATT PORTI COMBINER ZVI20 2PORT REFLECTOMETER RM1 2 incl ZVT20 B16 B21 B32 11 Spr Lang Aei C I Blatt Sh de 04 00 8 F Zeichn Nr Drawing No 1500 0000 01 5 semi rigid cable GEN ATT PORT3 flex koax cable 3 COMBINER Ext Cables to A510 A520 enthalten in contained in Benennung Designat ZVI NETWORK ANALYZER ZVT NETWORK ANALYZER Abteilung 07 12 19 Dept ROHDE amp SCHWARZ Errem 5 6 7 8 KABELSATZ ZVB SET OF CABLE ZVB 1300 1029 01 1ESK smolinsk Name look Sheet 7 gt OLIY OUNOS IS9M gt 061V TVJOOT ZS9M SU OZTY SVEN dI OZIM lt s 001 3I LZIM gt gt OLIY EOUNOS Ip9M look Sheet 7 061 ZP9M SVEN 3I GEIM lt s O IV add dI SEIM TIX TWOOT OLX SVIN 8X 6X 07 TANVd INOUI TWOOT gt V 23005 9 99 OLX look Sheet 7 SVEN 061 TYDOT
3. 3 24 Replacing the Front Cover ii 3 26 Replacing USB Board AQ ice E i ee Ee e En ns 3 27 Replacing Power Sup ply A2 O uu u tai ect iiti ee gta ue gae red ets 3 28 Replacing Fuse board A21 2 nid wat w uqa ioni ees 3 29 Replacing Fan 3 30 Replacing Motherboard 1 i 3 31 Replacing a Reflectometer RM8 A510 to 580 3 34 Replacing the Inner Conductor of a Port Connector R amp S ZVT8 only 3 36 Replacing the Bridge Unit R amp S ZVT8 eene 3 37 Replacing a Reflectometer RM20 A510 to BOU 3 38 Replacing the Coupler R amp S ZVT20 only enemies 3 40 Replacing the Reflectometer Fan R amp S ZVT8 only sse 3 41 Replacing the Reflectometer Fan R amp S ZVT20 3 42 Replacing Network Controller Board A110 A120 A130 A140 3 43 Replacing Synthesizer Board A160 A170 180 sss 3 44 Replacing LO Divider A600 A610 1300 2002 03 3 45 Replacing LO Divider8 Board A190 1302 4060 02 20 ne 3 46 Replacing Frequency Reference Board A100 seems 3 47 Troubleshooting li 3 48 Test Equipment and Accessories
4. 3 48 Troubleshooting Power up Problems l a 3 50 Troubleshooting Boot Problems ii 3 51 Troubleshooting Boot Error uuu ua ee libia re 3 52 Troubleshooting with the 3 53 Checking the Temperature 3 58 Service Ta TT iaia ia 3 59 Determining which Boards are defective eser u u uu 3 63 Board Test dtt n e etae ete eal rine wehbe 3 65 Testing the frequency reference 3 66 Testing the Synthesizer 20 100000010 eene 3 67 Testing the Reflectometer RM8 3 70 Testing the Reflectometer RM20 eene 3 75 Testing the LO Divider Board nennen 3 79 Testing the Network Controller Board a 3 81 Testing the Motherboard iii 3 82 1300 0052 82 1 3 1 E 3 Instrument Construction and Function Description R amp S ZVT 1300 0052 82 3 2 E 1 R amp S ZVT Instrument Construction and Function Description 3 Repairs This chapter describes the R amp S ZVT 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
5. L 3 10 a eT ct i OR D EC Ere agrari 2 3 Performance test Frequency accuracy iii 1 4 Harmonics suppression Level accuracy Level linearity La ub T Protocol E 1 15 Performance Test guancia rr ern rng 1 1 Power cable Sis ae a p rene ina 5 3 Power supply EUNGUON Er 3 14 Replacement sese eee iii 3 29 Replacement ro alii 3 28 Power up problems 3 50 Precision attenuator 3 8 R OGI 3 1 Replacement BOGS i oco Dee ie 3 15 Replacing Boards 3 15 S Software 4 1 Spare parts electrical parts us p baia e e de 5 4 list Of all e Es 5 5 Synthesizer Replacement reet 3 44 E 3 Index T Test equipment Alignment Se 82h basa athe aha A etas 2 4 Performance test nt dte teen 1 2 Test equpment 1300 0052 82 R amp S ZVT Troubleshooting 3 48 Troubbleshooting Power up 3 50 Troubleshooting Boot problems rcr e nea 3 51 Selftest 9 58 3 63 ec EE 3 53 E 3 Procedure in Case of Service and Ordering of Spare Parts This section contains information on shipping an instrument to your service center and ordering spare parts Please contact your local Rohde amp Schwarz service center if you need service or rep
6. 894 LAZ uj d l 3 ani ar vit LIUM x g LPTX du SI LH L98 LAZ UT q pn1our dui SI WU 1 zx E I a SUT Les STIR 6x oLsv I 38 op IX WN L9H LAZ UT I ND met ee ppc D NTO QV VW SVIN AI LK alge sux Xi dv y seg sx 0L5V SIS men viae ps Q a XE 1 4 SE m 1 1 2138 E S T L 4 gt LILI eis Sap a a x 4 EH 2 El E Sl d 5 6 a 8 23 8 1 H H Uu o S S I a no S SII sl o ER A 7 k m m l e l I EE d 28 d a 9 2 9 uo Da T Bohs 504 DEMO DERE Gi ERE NI LNOT Hus tn Bi ar NI ALNO QI 4m Zip domu LOTX Ol iH xd Q O i AI IAS Vv Qa 90 1X IAS Var 4 O NER TE ZAS SSE lt gt S SOTX EAS ia 086 2 89H LAZ UT 3epn our 087 91X 088V SE E a D g E gt 1 2 o8 Gis TT OLSM lt S 3epn our ULSM 2 aZ ag SN L98 LAZ UT 3 pn oui 91X 0LSV 4 a 3 e El gt yi SF i 2 Hd be B XI QV TWN agp lt gt SN 994 1 4 0954 91 096 T G o far POTX XI Qv 2 VN 18255 m m c gt e of i he ce FG om lt gt SN g9d lAZ ui DSM orxsosse SEE E
7. QV v EYN P50 50 50 P50 X550 X560 X570 X580 LO DIVIDER 8 MOD 20 TYJOT Wu 2238 01 0254 09 v9d 0ZLAZ UT gt THOOT OIX OPSY 259 G9H 0CLAZ UT 1SPN DUT gt THOOT SKY 01 055 T99M 998 0014 UT 39PUTOUT gt TYJOT O1X 095V gt TYJOT 01 015 o o erect at msg ad ce N PE cds 5 sull OandsHoe Z Hon pn Fag Gl o v ow Degg ak Ovi sved ex eee ee m 2 0 Bindende Angaben veber Varianten Bauteile und nicht bestueckte Bauteile siehe ST For binding information on models trimming and components values and nonfitted components see parts list Trimmwerte A190 ESE OZIAZ UT 39PUTOUT gt TYJOT EWA OIX 0ESY LIBI 0954 lt gt 998 0CLAZ UI JSPN DUT 098M 21 095 OSSM lt gt G9E 0ZLAZ UT A DSM gix ossv SIUOTI qu umoop STUI 204 quo w SUN ITM u qTeu q JENA E Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved bi 1 2 w 3 4 5 6 7 8 ZVT20 B32 ai ai E REC ATT PORT2 page L W550 z to 10 MOTHERBOARD 2 ATI CTRL Es Dai A
8. 5 dB t 10 dB i 15 dB 20 dB x 25 dB 30 20 i 15 dB 10 dB i 5 dB 5 dB 10 15 dB i 20 dB 25 dB 30 15 dB 10 dB 5 10 dB 15 dB 20 dB 25 30 1300 0052 82 1 29 3 Performance Test Report R amp S ZVT Parameter Covered on Min value Actual value Max value i Measurement tolerance ca Page 1 10 ae noise level Test frequency ZVT8 only 423 450 kHz 1 12345 MHz 2 12345 MHz 5 12345 MHz ZVT8 ZVT20 10 12345 MHz 20 12345 MHz 50 12345 MHz 100 12345 MHz 110 200 12345 MHz 110 500 12345 MHz 110 750 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 4100 12345 MHz 105 4500 12345 MHz 105 5000 12345 MHz 105 5050 12345 MHz 105 5700 12345 MHz 105 6000 12345 MHz 105 6350 12345 MHz 105 6360 12345 MHz 105 7000 12345 MHz 105 7500 12345 MHz 105 7999 87655 MHz 105 ZVT20 only 9000 12345 MHz 11000 12345 MHz 13000 12345 MHz 15000 12345 MHz 17000 12345 MHz 19000 12345 MHz 19999 87655 MHz 1300 0052 82 1 30 E 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tole
9. BRIDGE PORT 3 BRIDGE PORT 4 BRIDGE PORT 5 PORT6 BRIDGE PORT 6 Opt ZVT B66 GENERATOR PORT 2 RECEIVER REF PORT 2 RECEIVER a MEAS PORT 2 15 to 21 MHz NETCON ANALOG 1 Wu NETCON DIGITAL 1 SYNTHESIZER 2 GENERATOR PORT 3 RECEIVER RECEIVER SICA GENERATOR MEAS PORT 3 1 1 1 REF PORT 3 H 1 1 1 1 PORT 4 RECEIVER REF PORT 4 RECEIVER MEAS PORT 4 GENERATOR PORT 5 RECEIVER REF PORT 5 RECEIVER MEAS PORT 5 GENERATOR PORT 6 RECEIVER REF PORT 6 RECEIVER MEAS PORT 6 LO DIVIDER 2 BRIDGE PORT 7 BRIDGE PORT 8 GENERATOR PORT 7 RECEIVER REF PORT 7 RECEIVER MEAS PORT 7 GENERATOR PORT 8 RECEIVER REF PORT 8 RECEIVER MEAS PORT 8 15 to 21 MHz NETCON ANALOG 2 NETCON DIGITAL 2 NETCON ANALOG 3 SYNTHESIZER 3 NETCON ANALOG 4 FREQUENCY REFERENCE NETCON DIGITAL 3 NETCON DIGITAL 4 Fig 3 3 Block diagram of the R amp S ZVT8 8 ports with LO Divider 1300 2002 Opt ZVT8 B16 shown with Port1 1300 0052 82 3 4 R amp S ZVT I OPTIO
10. 1300 0052 82 5 7 E 3 List of ZVT parts including spare parts Position Destignation KR BW2 FRONT HANDLE 6E Stock No 1096 1500 00 Number Electrical Destignation R amp S ZVT Recommended Spare parts VS SCREW M4X14 ISR 1096 4896 00 430 KR BW2 INSTRUMENT FOOT 1096 2506 00 4 x 440 KR BW2 MOUNTING FOOT 1096 2529 00 2 x 450 KR BW2 SIDE CARRYING HANDLET450 1096 2670 00 2 x 455 VS 965 ISR M4X12 A4 PA 1148 2830 00 4 460 KR BW2 REAR PANEL FOOT 50MM 1096 2487 00 4 x 470 OS BW2 LABEL REAR PANEL FOOT 1096 2435 00 1 471 FJ CAP 0092 6375 00 2 Model 08 475 ADHESIVE FOIL 33X68 SW 1300 0597 00 10 480 ZB ACCESS R amp S ZVT8 20 1300 0039 00 1 Drawing 1300 0074 01 Base Unit ZVT 500 ZM METAL FRAME R amp S ZVT 1300 0080 00 1 510 ED MOTHERBOARD R amp S ZVT 1305 3107 02 1 A10 x Model 08 511 ED MOTHERBOARD ZVT 1305 3107 02 1 A10 x Model 20 520 VS 6900 ISR M2 5X6 A2 1148 3059 00 21 521 VS 6900 ISR M2 5X6 A2 1148 3059 00 2 530 FM LOCKING SCREW H 4 5 1093 9180 00 2 540 FM LOCKING SCREW M3 0009 6501 00 2 550 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 551 EMC GASKET 1300 1806 00 2 552 SERRATED LOCKWASHER 3583 1578 00 3 553 HEX 14 NUT 4 28UNEF 3583 1561 00 3 555 MZ CASCADE PLATE 1145 4690 00 1 560 COVER PLATE DIGI INT 1302 4377 00 1 565 VS 965 ISR M2 5X16 A4 PA 1148 3313 00 2 580
11. 1300 0052 82 3 70 Connect the generator output to the spectrum analyzer using the SMA cables and adapter SMA N E 3 R amp S ZVT Troubleshooting 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 or 0 5 dB GHz 1 m The RM Subunit 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 Receiver levels The following is assumed e The LO synthesizer section synthesizer1 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 gt REF at both ends and screw off at the MEAS and REF receiver inputs N B When loosening support the cable with a 7 spanner Connect the receiver input MEAS or REF to a functioning instrument port using an adapter cable and adapter SMA N Setthe R amp S ZVT 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 Frequency Output level Displayed level ax or bx 300 kHz 20 dBm 0 dBm 50 MHz 20 dBm 0 dBm 1GHz 20 dBm 0 dBm 3 GHz 20 dBm 0 dBm 6 GHz 20
12. 1300 0052 82 3 63 E 3 Troubleshooting R amp S ZVT A board test should be performed before the board that has been deduced to be defective is replaced 1300 0052 82 3 64 E 3 R amp S ZVT Troubleshooting 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 drawing1300 0000 gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards Remove the instrument bottom cover 298 after undoing the 18 countersunk screws 299 Only when testing the frequency reference board gt Lift off the instrument top cover 296 after undoing the 37 countersunk screws 297 1300 0052 82 3 65 E 3 Troubleshooting Testing the frequency reference board see Test Equipment Remove the board from the instrument gt board and extension R amp S ZVT gt Connect the output to be tested to the spectrum analyzer using an adapter cable and adapter S
13. CONTR 140 Bs 1 10 MEAS IN MEAS IN d X1 eol i SMA A A mA i wes 2S S SMA SMA I 585 24 MEAS_OUT MEAS_OUT e e Y OPTION OPTION V ZVT20 316 ZVT20 316 po Kl mi EIE S S mi a z amp e PU T E S SIR BIER S SMA S a J d l sla A E L REF_OUT REF_OUT lt to ALO MOTHERBOARD CONTR 140 B 6 6 MEAS xL RF_MEAS RM_LOCAL X8 XB FL ir IF MAS PORT SOURCE REF w501 10601 OPTION ZVT20 B16 VAR MOD nn I a 9 a IN IN TF_REF RMn A5nn RM UNIT ZVT 20GHZ 503 503 RECEIVER 20 RECEIVER 20 A502 EE REFLECTOMETER 20 BIAS K _ 502 EE REFLECTOMETER 20 L X21 rer our BIASSMA A504 A504 l X12 GENERATOR 20 xL GENERATOR 20 ENE RM GEN RM SOURCE 501 GEN IN RM SOURCE COUPLER 24 COUPLER 24 D RM1 510 A500 _ RM2 520 A500 ZE REFLECTOMETER 20 UNIT ZE REFLECTOMETER 20 UNIT SOURCE IN RM UNIT ZVT 20 GHZ MOD 20 MOD 03 r OPTION SMA ZVT20 B16 gn SOURCE _OUT Legende legend RM n REFLECTOMETER n FRONT PANEL A585 DB 20GHZ X1 o 3 d 512 xi0 W550 ON ZVT20 B21 ATT CTRL OPTION ZVT20 B11 EG 3 W593 gt
14. 891X 1 AE 24108 TIIM a 1198 gt uuv 253 NI ZHK8ZI a Aga x L91X dad TAS 3 d wok wn HOUNOS ZWA qn e ax 45 3 E E SE 5 I TZ9M gt lix ocsv x ook To T Li 1 a B SZ Di x _ z f LA 2100 OT gt 5 x x el 99TX n 7 sik TINO OT SE a S91X x 25 ZIM OT 2 ES I aa swan AT VU SYANTATTERI es eee 6bIX SVEN pK lt 98 021 7 UT GETM JO AIN ar TER Dea p ol aner en lt y98 0ZLAZ UT GETM 4 hie 222 Ed HE SI e 000 tia el 8 LEN Due lt 98 0ZLAZ UT LETIM am aT ma Tl amp sun ar wi Les lt 6x 0tsv amp 3 9px oct SYAN 98 0ZLAZ UT 3epn our 9 IM N ES Hi a wa Les m ef 3 SEIX ATT RE TIN ax oesv Iz d 193 4 n z 9 TS 1 gt y P 100 OS SI 29 3 msn EN 691X al x gt 30408 E i Xx Y MESE T 10008 0 ut nT SHE SI fs 4 Ja TIM IRE Fel 891X m 3 iz cue SI e nn I x ma LOTX i gt xs m A SHETCZTIX F 1 N 594 0cLAZ UT ISPITOUT 551 8 rol e A be gt vel i N UOS EWY lt I p R 12 gl E 105 009 1 x zIS e 24 OWDOS PAY I 27120705 Dai E 991X pa gt qx Gs TOO 1 2 T O P9H 0ZLAZ UT IBPuTOUT
15. Consecutive entries are separated with a e g Meas Bandwidth 1 kHz 1300 0052 82 1 1 E 3 Performance Test Test Equipment and Accessories Type of equipment Spectrum analyzer Recommended characteristics or features a Counter mode Min resolution 100 Hz Max rel frequency deviation 10 b Linearity Max departure from linearity 26 0 06 dB Frequency response 50 MHz to 3 6 GHz 0 3 dB 3 6 GHz to 8 GHz 1 5 dB 8 GHz to 22 GHz 2 dB 22 GHz to 40 GHz 2 5 dB Recommended R amp S R amp S FSU 50 Order No 1166 1660 50 R amp S ZVT Application Frequency uncertainty Harmonics Output linearity Input linearity Power meter 300 kHz to 20 GHz R amp S NRVD 0857 8008 02 Max output power Accuracy of output power Power measurement uncertainty Power sensor 300 kHz to 8 GHz R amp S NRV Z51 0857 9004 02 Max output power Accuracy of output power Power measurement uncertainty oR amp S ZVT8 Power sensor 10 MHz to 20 GHz R amp S NRV Z52 0857 9204 02 Max output power Accuracy of output power Power measurement uncertainty on R amp S ZVT20 Calibration kit 50 300 kHz to 8 GHz R amp S ZV Z21 1085 7099 02 Input linearity Matching port 1 to port 8 Input noise level on R amp S ZVT8 Calibration kit 3 5mm 50 10 MHz to 20 GHz R amp S ZV Z32 1128 3501 02 Input linearity Matching por
16. 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 5 mm connectors the calibrated zero indication on the dial corresponds to one extreme the other being 76 um 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 1300 0052 82 2 9 E 3 R amp S ZVT Instrument Construction and Function Description Table of Contents Chapter 3 Repairs 3 3 1 Instrument Construction and Function 44 2 44 4222 3 1 Description of the Block Diagram 3 7 Board Repa AMEE iii iaia 3 15 Board La 3 16 Replacing Front Module Controller 0 3 17 Replacing the Lithium Battery on the Front Module Controller i 3 20 Replacing Hard Disk Ue I er REPE 3 23 Replacing Flexible switch board Keyboard A16 Key Pad 15
17. 3180 DW RF CABLE W632 LOCAL 1305 4261 00 1 W632 x Model 03 3190 DW RF CABLE W641 SOURCE 1305 4278 00 1 W641 x Model 04 3200 DW RF CABLE W642 LOCAL 1305 4284 00 1 W642 x Model 04 3210 DV RF CABLE W651 SOURCE 1305 4290 00 1 W651 x Model 05 3220 DV RF CABLE W652 LOCAL 1305 4303 00 1 W652 x Model 05 3230 DW RF CABLE W661 SOURCE 1305 4310 00 1 W661 x Model 06 3240 DW RF CABLE W662 LOCAL 1305 4326 00 1 W662 x Model 06 3250 DW RF CABLE W136 A530 1305 4510 00 1 W136 Model 03 3251 DW RF CABLE W137 A530 1305 4526 00 1 W137 Model 03 3252 DW RF CABLE W139 A540 SOURC 1305 4532 00 1 W139 Model 04 3253 DV RF CABLE W138 A540 1305 4549 00 1 W138 Model 04 3254 DV RF CABLE W126 A550 1305 4555 00 1 W126 Model 05 3255 DW RF CABLE W127 A550 1305 4561 00 1 W127 Model 05 3256 DW RF CABLE W129 A560 LOCAL 1305 4578 00 1 W129 Model 15 3257 DW RF CABLE W128 A560 R amp S ZVT 1305 4584 00 1 W128 Model 05 1300 0052 82 5 17 E 3 Position 3490 Destignation PD INSTALL INSTRUCT ZVT20 B6x Stock No 1300 1612 00 Number Electrical Destignation List of ZVT parts including spare parts R amp S ZVT Recommended Spare parts Drawing 1300 1593 00 Option R amp S ZVT20 B21 1300 1558 02 and R amp S Z ATTENUATOR 70DB 20GHZ 1170 0071 00 VT20 B23 1 300 1564 02 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 RF CABLE W512 ATT GEN 1305 6006 00 W512 RF CABLE W536 SRC 1305 6012 00 W536
18. REFLECTOMETER n enthalten in contained in ZVT B ADD TESTPORT 1300 1506 01 semi rigid cable ZVT NETWORK ANALYZER Zeichn Nr Drawing No eee flex koax cable KK ET T 118 06 000001 38 1 2 3 4 5 6 7 5 SVEN 10 MHz REF X210 ex BNC L IN FR REF 10 OUT P50 P50 P50 6F1X JET SVIN AI CRU z 2 m S GL A 28 m m asm gt lt gt 3 91 015 56 3 n on lt gt 3 TR 9IX OZSY P genti 2 ESM lt LAE wposepnpoup TER PHASE ke Pont amp 3 0PSM lt gt CO postar ur q pntour S S SVIN 4I Wu eee sx 0zsv SPLX JET sue dI ZKH LVUX SVEN SI NETCON ANALOG AI FIX dV VW A142 SVEN dl ATO UV Z TWN E PA X11 8 XL P96 tr x10 0 NETWORK CONTROLLER 1 NETCON DIGITAL X141 X142 X143 SVEN E Sa Ja p 100 OT 691X 100 OT 89 NI ZHWgZT THE P24 P48 X160 x161 LOTX X160 X161 2 100 OT 991 gt 2 a q RT lt 6 025 dud 4I SX OTSV 27 IM ES 8X 01SV A540 X10 A600 LO DIVIDER W669 RM2 LOCAL A520 x10 gt EL E AR PANI
19. UO gt L gt o o a c E 2 x o A O o D Projektions methode IO Lata fe th ROHDE amp SCHWARZ RM8 BR UNIT COSA RM8 BR UNIT aia Wir 08 07 2004 5 1ESK 1145 3593 01 s Zeichn Nr Drawing No 1164 1770 00 D Sprache Lang JAei C l Blatt SA 01 00 INSTR ZVAB B4 s ESK i i Abtei lun Dept Einbauanweisung ZVAB INSTALL 04 05 2004 Benennung Designation MaBstab Toleranz Werkstoff Scala Tol Material ROHDERSCHNARZ De pa AJasaJ aso 14611 2 14 104 JOA 9 0 SUN JIM 10494 jueun yo seseip 1nJ ROHDE amp SCHWARZ Block Circuit Diagram 1300 0052 82 5 21 E 3 10 MOTHERBOARD 1 FRONT UNIT ZVT8 FRONT MODULE CONTROLER SWITCH FOIL A15 FLEX MOTHERBOARD ZVT ON ZVT8 B64 SOURCE REF SOURCE REF Il OPTION ZVT8 B16 OPTION ZVT8 B16 Il OPTION ZVT8 B16 OPTION ZVT8 B16 VAR MOD 13 VAR MOD 11 VAR MOD 14 VAR MOD 12 RM1 A510 RM UNIT ZVT 8GHZ RM2 520 RM UNIT ZVT 8GHZ Fuer dieses Dokument behalten wir uns alle Rechte v
20. ci h RI LO OUT LO OUT gt gt ZVT8 with ext LO DIVIDER W261 T 100 OT S9LX SYNTH LO MOD 02 ZVT8 SVEN SI 6PIX SVEIN SI P9q LAZ UT 3epniour SL LM SX OPSV JET dI 8 d SI vV9H LAZ UT 3epniour Jm AT pH 6X vsv SEIM JET SI LVUX SVEN SI A142 NEICON ANALOG A130 NETWORK CONTROLLER 2 X10 E L 3 x10 poll NETCON DIGITAL SS wid UV Z TWN E P110 X130 au aT TER 98 2 ui q pn pur duh 6X OESY SVEN AI ER 9H LAZ UT SVEN SI EWU EX OESY 424105 INO OS 691 100 08 424105 TWH 891X NI ZHN8ZI 4m 7 TAS P48 P24 X170x171 L9TX X160 X161 c 100 OS 424105 991X T 100 08 S9LX SYNTH DS MOD 02 ZVT8 424105 TWH a gt xou amp HNOS NY gt 11X 0754 424105 EWY gt xo 90 LAZ UT JSPN DUT 424108 TIX OPSV P9YHE LAZ UT JSpN DUT i L ES gu I SVIN AT OWA ce ME SVEN al ENI wee 8X
21. uu SYNTHESIZER 2 ZVT20 B65 COUPLER PORT 5 GENERATOR PT PORT5 RECEIVER 15 to 21 MHz REF PORT 5 RECEIVER MEAS PORT 5 NETCON ANALOG 3 DIGITAL 3 COUPLER PORT 6 GENERATOR RECEIVER REF PORT 6 NzrcoN PORT6 O RECEIVER gt MEAS PORT 6 POWER SUPPLY Fig 3 5 Block diagram of R amp S ZVT20 6 ports Opt ZVT20 B16 shown with Port1 1300 0052 82 3 6 E 3 R amp S ZVT Instrument Construction and Function Description Description of the Block Diagram The block diagrams shown in Fig 3 1 to Fig 3 5 apply to the R amp S ZVT8 4 and 8 ports and to the R amp S ZVT20 6 ports The R amp S ZVT is a vector network analyzer covering 300 kHz to 8 GHz R amp S ZVT8 or 10 MHz to 20 GHz R amp S ZVT20 The instrument is available with two to eight ports R amp S ZVT8 or two to six ports R amp S ZVT20 The block diagrams shown in Fig 3 1 and Fig 3 2 apply to the R amp S ZVT8 two port to R amp S ZVT8 four port with different LO divider boards R amp S ZVT8 with two ports is the basic version Three port or four port versions are created installing options R amp S ZVT8 B63 and R amp S ZVT8 B64 The block diagrams shown in Fig 3 3 a
22. L99 LAZ UT q pn our Eram CEN M I ELEM ag lt TIE 6X 0LSV MS 9p1X swan aT LWA L9H LAZ UT 3epn our yaaa MIE wig qv uH 4 SVEN SI LR MA ke 55 AII V EN eee 8 015 d 8 Sl H m E el ELE oo gd 3 0 T mom sep NH gt Seg 99 T L gt un sl bul TYDOT Wu 21 E E ga YO gt OTX OLSY E A og TA TS 1001 No E a EE 01 095 xE 5 gt OTOR UT gt BT SWH No 09ZM IXI 01 k 01 05 I 5 ol 8 sel 1 gt TYDOT PWA mrga UT epo I 99IM AIG OT c 629 OIK OFSY a TYDOT x S K p TYDOT ZWA gt OTX 0ZSV me TYDOT TAY 7798 gt OTX OTSV SIUOTI qu umoop STUI 204 O Q E TOA equoeu Sun ITM 5 Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved A A E E EG EG i i 5 5 x x A Fi Fi LO Sheet 4 i pe A UN A V
23. The MBCON unit 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 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 1300 0052 82 3 14 E 3 R amp S ZVT Board Replacement 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 tum these item numbers are the same as the item numbers in the drawings relating to board replacements also in Chapter 5 The terms left and Tight always mean left and right as seen looking at the front of the instrument 1300 0052 82 3 15 E 3 Board Replacement R amp S ZVT Board Overview Table 3 1 Overview Board Replacement Board Measures taken after replacement Function test Alig
24. Z Designation Sprache Lang Aei C l Blatt SA FRONTEINHEIT ZVT8 02 00 FRONT Un t 7 8 Zeichn Nr Drawing No 02 11 2004 1 5 1300 0097 01 D i e 5242 2 1 A GJER i G dl H T T pil pa AJasaJ aso 14611 2 14 104 JOA 9 0 SUN JIM 10494 jueun yo seseip 1nJ Werkstoff Material Aei C l Blatt Sh 03 00 rache Lang de en ichn RM UNIT ZVT 86Hz jj 25 10 2001 RM UNIT ZVT 86Hz ng Designation NI lt L I C gt od Lu Ca sE 1 5 VAR MOD 05 120 VAR MOD 05 VAR MOD 07 100 VARIANTENERKLAERUNG EXPLANATION OF MODELS VAROS TOR ERWEITERUNG 3 MODO3 PORT EXTENS ION 3 VARO4 TOR ERWE I TERUNG 4 MODO4 PORT EXTENSION 4 5 I TERUNG 5 MODOS PORT EXTENSION 5 VARO06 TOR ERMWE I TERUNG 6 VAR MOD 05 06 07 08 MODO6 PORT EXTENSION 6 VARO TOR ERWEITERUNG 7 MODO7 PORT EXTENSION 7 VARO8 TOR ERWE I TERUNG 8 MOD08 PORT EXTENS ION 8 For this document all rights are reserved EUr dieses Dokument behalten wir uns alle Rechte vor MaBstab Toleranz Werkstoff Scala Tol Material a ROHDE amp SCHWARZ EINBAUANW ZVT B6 INST INSTRUCT ZVT B6 ZVT B6 2005 11 09 1ESK 1300 1512 00 D 2 1 LENE VAR MOD 05 06 07 08 Montage Demontage von Baugruppe 1170 Installing uninstalling of Unit
25. gt Remove the bottom instrument cover 298 after undoing the 18 countersunk screws 299 Reflectometer A530 A540 A560 port3 port4 port6 gt Remove 3 5 mm connection cables only with option R amp S ZVT B16 gt Disconnect the source cable the LO cable the two IF cables and the 50 pin control cable from the reflectometer gt Remove the 4 screws 3132 and the 2 screws 3133 in the front of the instrument next to the port connector gt Remove the 5 screws 3131 and take out the reflectometer Reflectometer A510 A520 A550 port1 port2 port5 gt First remove the reflectometers A530 A540 A560 only with option R amp S ZVT20 B63 B64 B66 gt Remove support plate 3140 and or support plate 3142 gt Remove 3 5 mm connection cables only with option R amp S ZVT B16 gt Disconnect the source cable the LO cable the two IF cables and the 50 pin control cable from the reflectometer gt Remove the 4 screws 3132 and the 2 screws 3133 in the front of the instrument next to the port connector gt Remove the 5 screws 3131 and take out the reflectometer Installing the board and reassembling the instrument gt 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 gt Screw in the 6 screws 3132 3133 in the front of the instrument next to the port connector gt Screw in the 5 screws 3131 gt
26. see page 2 Werkstoff ri Mate ZVT NETWORK ANALYZER Sprache Lang JAei C I Blatt Sh 03 2 00 ZVT NETWORK ANALYZER ROHDE amp SCHWARZ Name 1 E SK Name Abtei lui Dept 17 11 2005 Zeichn Nr Drawing No 1300 0000 01 D Lega ii 4 2 Lie 2h For this document all rights are reserved EUr dieses Dokument behalten wir uns alle Rechte vor Luefter so montieren dass Luft aus dem E Gehaese gesaugt wird k 1 Q see connector designation of cables and motherboard fo r cab mount ng MaBstab Toleranz Werkstoff IVT NETWORK ANALYZER Ze ZVT NETWORK ANALYZER PSC 2005 03 10 218 pL og oe uc eil hn Nr Drawing M 1300 0000 01 D UJ gt c v lt lt x gt lt A c 5 o o 7 lt Los o gt e 1 gt o a c E gt x o a 17 7 I LON G T G T E m ROHDE amp SCHWARZ ZVT NETWORK ANALYZER en 02 00 ZVT NETWORK ANALYZER Zeichn Nr Drawing No JE mao E re e wn 1300 0000 01 D For this document all rights are reserved Fur dieses Dokument behalten wir uns alle Rechte vor Pos 740 742 745 750 755 756 757 siehe Seite 2 see page 2 Projection fe H Montiert nu
27. 00 1 W535 3080 DW CABLE EXT 3 6 1300 1729 00 3 3090 PD INSTALLATION INSTRUCTION 1300 1641 00 1 ZVT20 B16 Drawing 1300 1612 00 Option ZVT20 B6x 1300 1606 03 to 1300 1606 06 3100 ZE NETWORK CONTROLLER 1145 3635 04 1 A120 A130 x Model 03 05 3110 EE SYNTHESIZER DS 1302 5180 02 1 A170 x Model 03 3120 ED PORT BIAS 1145 3935 03 1 A16 A17 x Model 03 05 3121 FJ HEX 14 NUT 75 28UNEF 3583 1561 00 2 Model 03 05 for A16 A17 3122 FJ SERRATED LOCKWASHER 3583 1578 00 2 Model 03 05 for A16 A17 3130 ZM RM UNIT ZVT 20GHz 1305 4184 20 1 A530 540 x A550 A560 3131 VS 6900 ISR M2 5X6 A2 1148 3059 00 5 3132 VS 965 ISR M3X16 A4 PA 1300 0868 00 4 3133 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 2 3140 MZ SUPPORT PLATE RM20 1305 4084 00 1 Model 03 3141 VS 6900 ISR M2 5X6 A2 1148 3059 00 7 3142 MZ SUPPORT PLATE RM20 1305 4061 00 1 Model 04 3143 VS 7895 ISR M2 5X6 A4 PA 1143 5630 00 6 Model 04 3144 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 3 3150 MZ FAN UNIT 1305 4161 00 Model 05 1300 0052 82 5 16 E 3 R amp S ZVT List of ZVT parts including spare parts Position Destignation Stock No Number Electrical Recommended Destignation Spare parts DY CABLE W530 1305 4755 00 Model 03 3164 DY CABLE W540 1305 4761 00 1 W540 Model 04 3165 DY CABLE W530 1305 4778 00 1 W550 Model 05 3166 DY CABLE W540 1305 4784 00 1 W560 Model 06 3170 DW RF CABLE W631 SOURCE 1305 4255 00 1 W676 x Model 03
28. 04 1300 1506 05 1300 1506 06 1300 1506 07 1300 1506 08 Specific Options for R amp S ZVT20 only Combiner R amp S ZVT20 B11 Direct Gen Rec Access for PORT1 to PORT 6 R amp S ZVT20 B16 Generator Step Attenuator for Port 1 R amp S ZVT20 B21 R amp S ZVT20 B23 R amp S ZVT20 B32 R amp S ZVT20 B34 R amp S ZVT20 B63 R amp S ZVT20 B64 R amp S ZVT20 B65 R amp S ZVT20 B66 1300 1658 02 1300 1635 11 16 1300 1558 02 1300 1564 02 1300 1570 02 1300 1587 02 1300 1606 03 1300 1606 04 1300 1606 05 1300 1606 06 Generator Step Attenuator for Port 3 Receiver Step Attenuator for Port 2 Receiver Step Attenuator for Port 4 Additional PORT 3 Additional PORT 4 Additional PORT 5 Additional PORT 6 1 Requires the matching additional PORT option Requires all additional PORT options with lower port numbers Requires generator step attenuators for PORT 1 and Port 3 Install according to the instructions that are supplied with the option These installation instructions can be appended to this chapter 1300 0052 82 4 2 E 3 R amp S ZVT Installing Options The OCXO option is permanently integrated on the frequency reference board mod 03 mod 05 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
29. 09SY Rex pe aX I 6 1 pF SVIN ATTIMI 999 LAZ UT 3epniour 3282 2 80 Br Bato Allo ITERA Car Fara au GRU tiw x 009 SI 9WY 9 LAZ UT jepn our 1 g m 9 99 L sed EX 095V ABER HB Cj amu al E NEI SKU 598 LAZ ui gepniou LEM 3 3 I lt AM 6X 055V SVIN AT Di lt m jepn our YIM 9pTX SWA G9Y LAZ UL q pnloui MNT E SUSE I0 QW VW 2 I 10 QW E 8X 0SSV s gt SEN ET ST ee Ne 1 E 1 5 x M SE FOUNOS JWA V 10 OS gt r as m SEUI sal eu 32400 HM S gt G 46 6 ms Sl dog gt 11 088 z ki a 510008 898 LAZ UT iepn out e Sum boa wd s QN IWA EN m Sy S S232 I t ol t gt I B H gt l L9TX 998 LAZ UT 9 co L epe gl d So Bi gt SOWDOS LWA S a H ES L S E n 3 Bu ig x lt A fH I o H I E 3 TE MS Du 304108 SKU Hone S 20 Hou SX 8 gt x gt TIX 0SSY ad X S98 LAZ UT F PNTOUF E NO I NOT pu si SE 17110 08 0 ex LE e sa asa SITX LD cel I us q ox es TT da xa ZIX I TT SVEIN 0 T SKU 1 SVIN AT Y 8X 085V I ean svi SW 98 LAZ q pnTpur 518 du GNU p
30. 1170 N AI Y gt Sal ST fe VAR MOD 05 06 07 08 VAR MOD 03 04 5 S KLZ 7 As AN lt 3 s be i uc N NN a AP Ne e 9N un L IN E em 5 9 C e N E rd 3 RIS gt lt MN v TIT sk END A sa UI N G Y VAR MOD 03 04 For this document all rights are reserved F r dieses Dokument behalten wir uns alle Rechte vor Pos 1165 VAR MOD 07 05 03 ROHDE amp SCHWARZ INBAUANW ZVT B6 NRT NSTRUCT a 7 Zeichn Nr Drawing No ZVT B6 2005 11 09 1300 1512 00 D GE H Li __ ho sr VAR ANTENERKLAERUNG EXPLANATION OF MODELS VAR11 TOR 1 MOD11 PORT 1 VAR12 TOR 2 MOD12 PORT 2 15 5 MOD13 PORT 5 14 4 MOD14 PORT 4 15 5 MOD15 PORT 5 16 6 MOD16 PORT 6 17 7 MOD17 PORT 7 18 8 MOD18 PORT 8 For this document all rights are reserved EUr dieses Dokument behalten wir uns alle Rechte vor Toleranz Werkstoff Tol Material ROHDE amp SCHWARZ EINBAUANW ZVT B16 01 00 00 1 i NST NSTRUCT ZNT B1 6 Zeichn Nr Drawing ZVT B16 2005 08 16 1ESK 1300 1712 00 Bue cp e umen 5 22 gt e D x gt c 5 e n T LL c o oc
31. 4 of this service manual describes the installation of options and firmware updates Instrument Construction and Function Description The R amp S ZVT 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 1300 0052 82 3 1 E 3 Instrument Construction and Function Description See also Chapter 5 Annex and Drawings BRIDGE PORT 1 1 15 to 21 MHz RECEIVER REF PORT 1 I RECEIVER MEAS PORT 1 ANALOG RAS i BRIDGE PORT 2 PORT 2 El PORT2 Te RECEIVER MEAS PORT 2 i i i Lo SYNTHESIZER 1 DIVIDER SYNTHESIZER 2 imc BRIDGE PORT 3 E E 15 to 21 MHz RECEIVER I REF PORT 3 RECEIVER MEAS PORT 3 i Opt ZVT 63 EE SET ME NETCON ANALOG TTT DT 2 BRIDGE PORT 4 PORT 4 PORT 4 GENERATOR Hed RECEIVER i 3 H I H PORT 4 i H T H I RECEIVER MEAS PORT 4 Opt ZVT 64 Fig 3 1 1300 0052 82 3 2 R amp S ZVT NETCON DIGITAL FREQUENCY REFERENCE OP
32. 600V 2 000V 1 796V PASSED 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 600V 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 1300 0052 82 3 56 E 3 R amp S ZVT Troubleshooting 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 cer
33. 9WH Z99M 8X B65 GI lt DIV SVEN dI ONU ZIM 6X TOLV OSSM TANVd INOUI lt se T OZIV 8ZIM OPTION TTX TWOOT WA OLX SVIN 8 6X OPTION ZVT20 TOLV 09SM TANVd INOUI OLIM HOUNOS NV gt TEIM 061V look Sheet 7 TEM SVEN AI 9 IM ree dI OPTION ZVT20 TIX TWOOT OLX SVEN 8X ded 6X TOLV Q cM m o TANVd INOUI c OPTION SIUOTI qu umoop STUI 204 9juoeuy SUN ITM u qTeu q qu umyoq seserp JENA E ZVT20 B64 B66 ZVT20 B63 Blatt Sh Benennung Designat ZVT NETWORK ANALYZER ZVT NETWORK ANALYZER ROHDE amp SCHWARZ Drawing No 1300 00005 01 55 Zeichn Nr Name Name Smolinsk 1ESK Abteilung 07 12 19 244 Datum Date
34. ATT CTRL CABLE 90 1164 0244 00 W550 RF CABLE W513 SRC OUT 1305 6029 00 W513 TERMINATION 50 OHM 0249 7823 00 R585 R586 INSTALL INSTRUCT R amp S ZVT20 B21 B23 B32 B34 1300 1593 00 Drawing 1300 1593 00 Option R amp S ZVT20 B32 1300 1570 02 and R amp S Z VT20 B34 1 300 1587 02 3600 ATTENUATOR REC24 1046 5082 05 A585 3602 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 3610 RF CABLE W601 MEAS 1305 4190 00 3620 RF CABLE W602 MEAS 1305 4203 00 3630 ATT CTRL CABLE 90 1164 0244 00 3640 RF CABLE W603 MEAS IN 1305 4390 00 3680 INSTALL INSTRUCT R amp S ZVT20 B21 B23 B32 B34 1300 1593 00 Drawing 1300 1664 00 Option R amp S ZVT20 B11 1300 1606 03 to 1300 1658 02 3700 2 WAY POWER SPLITTER COMBINER 3584 5002 00 1 3710 COMBINATION SREW 0048 8218 00 3720 RF CABLE W591 IN PORT1 1305 6035 00 3730 RF CABLE W592 OUT PORT1 1305 6041 00 3740 RF CABLE W593 OUT PORT3 1305 6058 00 3780 INSTALL INSTRUCTION R amp S ZVT20 B11 1300 0052 82 1300 1664 00 5 18 E 3 Tsi s GO GO GO GO QUOC DE kn NUT parsasas asd 14611 jueun2op SIY 104 JOA 9 4294 9 10 SUN JIM jueunxo seseip inj o ZVT8 MOD 08 to Pos 294 Pos 465 for Pos 60 Pos 65 Pos 122 to Pos 160 Pos 291
35. CABLE 2X6 1300 2448 00 1 W20 x 742 DY CABLE FOR ZVT POWER SUPPLY 1300 0768 00 1 W21 745 DX POWER SUPPLY CABLE 4P 1300 1941 00 1 W22 750 DX POWER SUPPLY CABLE 8P 1300 1987 00 1 W24 1300 0052 82 5 9 E 3 List of ZVT parts including spare parts Position Destignation DX POWER SUPPLY CABLE 10P Stock No 1300 1993 00 Number Electrical Destignation R amp S ZVT Recommended Spare parts VS DIN137 A3 A2 0005 0296 00 757 VS DIN137 A4 A2 0005 0315 00 6 760 FN POWERFILTER WITH SWITCH 1145 5067 00 1 X200 x 765 VS 965 ISR M3X8 A4 PA 1148 2798 00 2 770 ZE POWER UNIT ZVAB 1145 3893 00 1 W200 771 DZ GROMMET 7 12 16 0099 3520 00 1 772 VS SCREW 1096 4838 00 2 775 CABLE 1090 3881 00 1 W201 776 DZ CABLE TIE RD32BR3 4 0367 8393 00 2 Model 08 TTT DZ CABLE TIE RD32BR3 4 0367 8393 00 5 Model 20 788 OS LABEL 25MM HIGH VOLTAGE 0042 5169 00 1 FLASH 789 MZ PROTECTION COVER ZVT 1300 1487 00 1 Model 08 790 GJ SWITCHING POWER SUPPLY 1300 2490 00 1 A20 x AC90 264V 791 MZ POWER SUPPLY PLATE ZVB 1145 2468 00 1 792 VS DIN433 4 3 A4 0082 4586 00 4 793 VS 7985 ISR M4X8 A4 PA 1148 2652 00 4 795 VS 6900 ISR M2 5X6 A2 1148 3059 00 8 796 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 2 797 IMAGE SOFTWARE 0048 7540 00 1 798 HS WINDOES YP EMBEDDED 1099 8570 00 1 799 OS BARCODE LABEL FOR
36. Center frequency 10 MHz Span 200 Hz Note Before the following measurement is performed the R amp S ZVT 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 frequency counter Nominal frequency Model without OCXO Option B4 10 MHz 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 0 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 right hand segment of the data word 000000 to 0007FF 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 counter 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 000000 to 800000 until the counter indicates precisely 10 000000 MHz 1300 0052 82 2 6 E 3 R amp S ZVT Manual Alignment and Recording Correction Values Writing data to the hard disk gt Change to computer application gt Sel
37. Chapter 5 Spare Parts List Items 110 115 120 and drawing 1300 0000 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 a defect please contact the Central Service in Munich Opening the instrument and removing the board gt Tum off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Lift off the instrument top cover 296 after undoing the 37 countersunk screws 297 gt Extract the synthesizer with the ejector lever Installing the board and reassembling the instrument Insert the new board into the instrument Refitthe instrument top cover 296 securing with the 37 countersunk screws 297 Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt 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 Write synthesizer mapping and shift data to the motherboard EPROM see Correction Value Recording Record the generator and receiver correction data see Correction Value Recording Perform factory syste
38. E 3 Troubleshooting Synthesizer LS 1305 5300 20 R amp S ZVT20 only Local Frequency Local Level 2nd harmonic 3rd harmonic ZVT setting Mod 02 Mod 03 300 kHz 3 dBm to 20 dBm lt 5 dBc 2 dBc 100 MHz 8 dBm to 20 dBm 5 dBc 2 dBc 1GHz 8 dBm to 9dBm 5 dBc 5 dBc 2 GHz 8 dBm to 9dBm 5 dBc 5 dBc 3 GHz 3 dBm to 6 5 dBm lt 5 dBc 5 dBc 3 8 GHz 3 dBm to 6 5 dBm lt 5 dBc 5 dBc 4 GHz 3 dBm to 6 5 dBm lt 5 dBc 5 dBc 5 GHz 3 dBm to 6 5 dBm lt 5 dBc 5 dBc 6 GHz 3 dBm to 6 5 dBm lt 5 dBc 5 dBc 7 GHz 3 dBm to 10 dBm 5 dBc 8 GHz 3 dBm to 10 dBm lt 5 dBc Testing the Reflectometer RM8 Generator levels R amp S ZVT It is assumed that the synthesizer section synthesizer2 or synthesizer3 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 loosening support the cable with a 7mm spanner VV ON ON Set the power to 8 dBm Set the R amp S ZVT to the CW sweep mode Set the frequencies listed in the table Frequency Level 2nd harmonic 3rd harmonic 300 kHz 16 dBm 50 MHz 16 dBm lt 21 dBc 21 dBc 1GHz 16 dBm 21 dBc 21 dBc 3 GHz 16 dBm 21 dBc 21 dBc 6 GHz 16 dBm 21 dBc 8 GHz 16 dBm lt 21 dBc
39. GHz 15 0 GHz 17 0 GHz 19 0 GHz 20 0 GHz 1300 0052 82 1 26 E 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance 0 06 dB Lu linearity ZVT8 Reference 10 dBm 50 MHz 20 15 dB 5 10 dB S 5 dB 5 dB 10 dB 15 dB 20 dB 25 dB 30 2 20 dB 15 dB 10 dB A 5 dB i 5 dB 10 dB 15 dB 20 dB 25 dB 30 dB 20 dB 15 dB 10 dB i 5dB 2 5 dB 10 dB 15 dB 20 dB A 25 dB i 30 dB 20 dB 15 dB 10 dB 5 dB 5 dB x 10 dB 15 dB 20 dB i 25 dB 30 dB 1300 0052 82 1 27 E 3 Performance Test Report R amp S ZVT Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Port Page 1 9 0 06 dB Input linearity ZVT8 Reference 10 dBm 8GHz 20dB 15 dB 2 10 5 10 dB 15 dB 20 dB 25 30 dB 1300 0052 82 1 28 E 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance 0 06 dB linearity ZVT20 Reference 10 dBm 50 MHz 20 dB i 15 dB 10 dB 5 dB 5 dB 10 15 dB i 20 dB 25 t i 30 dB 700 2 s dB i 15 dB i 10 dB L 5 dB
40. I e 200 os 1 d Mesa l 3 35 F I TT SVIN ST INI SVIN AT 8X 095V 821 Svan ST lt 99H 0ZLAZ UT 3epniour se B m SAM Coe a AI 9KH 9 9278 API 4I lt 998 0ZLAZ UT 3q pn our lt SON m 8TIM af v8 Fes lt SS ME LO LEIX dei dI 898 021 I 000 dI SKU I sla Pap 6X 055V 21 9 ar va oe LIM 21 3 ovx svar s n S98 0ZLAZ UT N SVHA 4I SKH T E AII dV y EYN 8X 0SSV ol E aX N LO oo 1 lt Za lt o j org H SX x Zi 1 E qu So A x E 1 oxo 2S 198 zf I ZVT20 MOTHERBOARD Blatt Sh Benennung Designat Drawing No 130000005 01 45 Zeichn Nr Name Name Smolinsk 7 1 5 Abteilung Dept 07 12 19 ZVT NETWORK ANALYZER ZVT NETWORK ANALYZER Datum Datei ROHDE amp SCHWARZ 5 A X110 NI INO OT aay Wa 210 QV EYN P110 A10 MOTHERBOARD X112 X113 P60 P60 X111 P60 OT 294 Ud o9zM 77 24 X190 TAS 901X TEU ZAS TAS 2998 AIG OT SOTX QV TWN PU LR FREQUENCY REFERENCE OV ZYN X100 dll y EAS 48 TEST ATO UV Z TWN
41. LCIE IMQ UCIEE 1300 0052 82 5 3 E 3 ROHDE amp SCHWARZ Spare Parts List Mechanical Drawings 1300 0052 82 5 4 E 3 R amp S ZVT List of R amp S ZVT parts including spare parts The R amp S ZVT is constructed in accordance with R amp S Design 2000 Rackmount 6E 1 1 T450 Overall dimensions B x H x T 426 7 x 309 9 x 517 00 Accessories 19 Adapter ZZA 511 Destignation 1096 3302 00 Note The Recommended spare parts are marked with an x in the last column Table 5 2 Position List of all R amp S ZVT parts and spare parts Destignation Drawing 1300 0000 01 R amp S ZVT Network Analyzer Stock No Electrical Destignation Recommended Spare parts List of ZVT parts including spare parts 10 ZM FUNDAMENTAL UNIT R amp S ZVT8 Model 08 1300 0074 08 ZM FUNDAMENTAL UNIT ZVT20 Model 20 1300 0074 20 ZM FAN ZVT 1300 1970 00 E1 E2 MZ FAN UNIT Model 20 1305 4161 00 VS 6900 ISR M2 5X6 A2 Model 20 1096 4838 00 ZE NETWORK CONTROLLER Model 08 1145 3635 04 A140 A130 ZE NETWORK CONTROLLER Model 20 1145 3635 04 MZ AIR COVER ZVT 1300 0639 00 EE SYNTHESIZER DS Model 08 1302 5180 02 EE SYNTHESIZER LO Model 08 1302 4248 02 EE SYNTHESIZER LS Model 20 in place of 1302 4025 20 from 04 2008 1305 5300 20 ED LO DIVIDER 8 Model 20 1302 4060 20 EE FREQ REFERENCE 1145 3835 04 DZ FLAT CABLE HOLDER 25 13
42. Multimeter URE3 see Chapter Test Equipment Item10 DC cable see Chapter Test Equipment Item11 Test setup Connect the Power Supply to the Input DC MEAS 1V DC MEAS 10V of the ZVT using the DC cable R amp S ZVT settings Preset For DC Meas 1 V Meas More DC Inputs DC Meas 1 V Format Real Scale Scale Div 25 x1 Marker For DC Meas 10 V Meas More DC Inputs DC Meas 10 V Format Real Scale Scale Div 2 5 x1 Marker Measurement Set Power Supply to DC values Upc using Multimeter 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 Calculation Deviation Upc Upc zvr 1300 0052 82 1 14 E 3 R amp S ZVT Performance Test Report Table 1 1 Performance Test Report ROHDE amp SCHWARZ Performance Test Report Model ZVT Options Item number 1300 0000 Serial number Tested by Date Signature R amp S ZVT Version 08 05 08 General All Tables apply to port1 values for ports 2 to 8 are identical Parameter Covered on Min value Actual value Frequency deviation Page 1 4 Q 1 GHz 8000 With Option 100 R amp S ZVAB B4 1300 0052 82 Performance Test Report Max value Measurement tolerance E 3 Performance Test Report R amp S ZVT Covered on Min value Actual value Max value Measurement tolerance m Page 1 4 Harmonics
43. NETCON ANALOG 2 HU NETCON DIGITAL 2 NETCON ANALOG 3 FREQUENCY REFERENCE NETCON DIGITAL 3 SYNTHESIZER 3 ZVT8 B67 15 to 21 MHz NETCON ANALOG 4 NETCON DIGITAL 4 Block diagram of R amp S ZVT8 8 ports with LO Divider 8 1302 4060 GRAPHICS POWER SUPPLY E 3 Instrument Construction and Function Description R amp S ZVT COMBINER ZVT20 B11 COUPLER PORT 1 GENERATOR PORT 1 PORT1 o RECEIVER REF PORT 1 18 to 21 MHz RECEIVER MEAS PORT 1 NETCON ANALOG 1 NETCON DIGITAL 1 COUPLER PORT 2 GENERATOR PORT 2 uu RECEIVER i REF PORT 2 RECEIVER PORT 2 SYNTHESIZER 1 1 1 FREQUENCY 1 BEEN REFERENCE ZVT20 B63 GENERATOR 15 to 21 MHz GRAPHICS Eg PORT 3 I RECEIVER mi REF PORT 3 RECEIVER MEAS PORT 3 i TE M ESSI LI SIAE RA ANALOG 2 COUPLER PORT 4 PORTA GENERATOR NETCON E DE RECEIVER REF PORT 4 1 1 1 1 1 1 1 1 l REC ATT RECEIVER i ZVT20 B34 MEAS PORT 4 1 1 1 1 1 1 1 1 NETCON DIGITAL 2
44. PCB 0071 7714 00 1 DRAWING 1300 0097 01 Front Unit 800 MZ MOUNTING THROUGH R amp S ZVT 1300 0168 00 1 805 MZ MOUNTING THROUGH R amp S ZVT20 1305 4178 00 1 855 MM PROTECTIVE COLLAR 9 6 X 13 9 0852 1234 00 1 860 SB PUSH BUTTON BOARD 1300 1370 00 1 A16 1300 0052 82 5 10 E 3 R amp S ZVT Position Destignation SB FLEX SWITCHBOARD R amp S ZVT List of ZVT parts including spare parts Stock No 1300 0122 00 Number Electrical Destignation Recommended Spare parts MZ SUPPORT PLATE R amp S ZVT 1300 0139 00 890 VS 965 ISR M2 5X5 A4 PA 1148 2752 00 2 900 MB PUSH BUTTON 4 5 1145 2116 00 1 910 VS DIN6797 A3 2 A2 0016 2820 00 1 920 VS DIN934 M3 A4 0016 4398 00 1 930 VS DIN9021 B2 7 A4 0031 5179 00 2 940 VS 6900 ISR M2 5X5 A2 0041 1630 00 2 1050 ED USB BOARD 1145 3207 02 1 A40 x Model 08 1051 ED USB BOARD 1145 3207 02 1 A40 x Model 20 1070 VS 965 ISR M2 5X5 A4 PA 1148 2752 00 2 Drawing 1300 0600 01 RM UNIT R amp S ZVT 8 GHZ 1302 5173 02 100 ZE RM8 BR UNIT 1145 3593 02 1 A505 x 160 VS 965 ISR M2 5X8 A4 PA 1148 3294 00 3 170 MB FUNNEL PLASTIC 1302 5244 00 1 180 VS 6900 ISR M2 5X6 A2 1148 3059 00 2 190 ZE FAN 40x40x10 1145 4590 00 1 E500 x 230 ZN SMA SUPPORT PLATE R amp S ZVT 1302 4854 00 1 240 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 2 250 OS LABEL RM8 1145 4548 00 1 300 DW CA
45. R amp S ZVT 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 CAUTION Risk of shock hazard and instrument damage When replacing a module please note the safety instructions and the repair in structions given in chapter 3 and at the beginning of this service manual When shipping a module be careful to provide for sufficient mechanical and anti statical protection Available Power Cables Table 5 1 List of power cables available PSI Earthed contact connector Preferably used in DS 0006 7013 00 BS1363 1967 10 A 250 V Great Britain complying with IEC 83 1975 standard B2 DS 0006 7020 00 Type 12 10 A 250 V Switzerland complying with SEV regulation 1011 1059 standard sheet S 24 507 DS 0006 7036 00 498 13 10 250 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 DS 0025 2365 00 DIN 49 441 10 A 250 V straight Europe except Switzerland approvals VDE VE CEBEC KEMA S D N FI LCIE IMQ UCIEE DIN 49 441 10 A 250 V angular DS 0086 4400 00 p approvals VDE OVE CEBEC KEMA S D N FI
46. 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 than the values stated in the table the coupler unit must be 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 Connect test cable to a functioning instrument port and perform a 1 port calibration at the end of the cable Connect the end of the test cable to the port of the coupler unit under test and display the Sxx magnitude on the screen Frequency range Sxx dB 10 MHz to 12 GHz 14 dB 12 GHz to 20 GHz 10 dB If the values in the table are exceeded the coupler must be replaced 1300 0052 82 3 78 E 3 R amp S ZVT Testing the LO Divider Board R amp S ZVT8 with LO divider 1300 2002 It is assumed that the LO synthesizer is OK Troubleshooting Disconnec
47. V dia 20 mm 3 mm R amp S Item No 0858 2049 00 Front Module Controller Typ FMR6 Connector for rotary pulse generator Contact side of switching foil keyboard up N X Oy 2 2 E E 5 5 CPU 1 2 m t Battery LAN1 LAN2 EN r HON Connector for display and converter adapter board Fig 3 4 Location of the lithium battery on the front module controller Installing the new battery 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 152 190 2 per RM Unit CAUTION Avoid trapping cables and ensure cabling is tidy Replace the front cover 300 and screw in the countersunk screw 315 Refit the 2 front handles 410 using 4 screws v wv Refit the 3 5mm connection cables only with option R amp S ZVT B16 1300 0052 82 3 21 E 3 Board Replacement R amp S ZVT Putting into operation gt Connect the mains cable and turn on at the p
48. amp S ZVT 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 1300 0052 82 3 51 E 3 Troubleshooting R amp S ZVT 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 n Info Press the Error Log softkey The results are displayed on the screen Hardware Info Selftest Error Log Del Error Log T Hn Cause of error Data cannot be read from one or 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 t
49. before this performance test procedure Test equipment Test setup R amp S ZVT settings Measurement R amp S ZVT settings Measurement Calculation 1300 0052 82 Calibration kit N see Chapter Test Equipment Item4 Connect Short Male to port1 and port 2 port 3 to port 8 use Short Female with Through Male as a second Short Male Preset Meas Ratios b1 a2 Drive Port 1 Power max spec power Meas Bandwidth 10 Hz Marker Sweep Sweep CW Mode CW Frequency fgen 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 Meas Ratios b2 a1 Drive Port 1 Meas Ratios b3 a1 Drive Port 1 Meas Ratios b4 a1 Drive Port 1 Meas Ratios b5 a1 Drive Port 1 Meas Ratios b6 a1 Drive Port 1 Meas Ratios b7 a1 Drive Port 1 Meas Ratios b8 a1 Drive Port 1 Sweep Single Restart For measurement frequencies see Performance Test Report fGEN Read off marker value Dynamic range Marker value Power value Performance Test R amp S ZVT Checking the DC Measurement Inputs Test equipment DC Power Supply NGSM 32 10 see Chapter Test Equipment Item9
50. dBm Freq Level 50 MHz 20 dB 15 dB 10 dB 5 dB 5 dB 10 dB 15 dB 20 dB ZVT8 25 dB only 30 dB 500 MHz 20 dB 7 15 10 dB 5 dB 5 dB i i 10 dB 15 dB i 20 dB 25 30 dB 20 dB 15 dB i 10 dB 5 dB 5 dB 10 15 dB 3 20 dB 25 dB 30 dB i 20 dB 15 dB 10 dB 5 dB 5 dB i 10 dB 15 dB i 20 dB 25 dB 30 1300 0052 82 1 22 E 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance __ 0 06 Power incanti Reference 10 dBm Freq Level 2 1 GHz 20 dB 15 dB i 10 dB 5 dB 5 dB 10 dB 15 dB i 20 dB 25 dB 4 30 20 dB 15 dB 10 dB i 5 dB i f 5 dB 10 dB 15 dB 20 dB 25 30 dB 20 dB i e 15 dB 10 dB 5 dB 5 10 dB 3 15 20 dB 25 dB i 30 dB 20 i 15 dB 10 5 dB 4 5 dB 10 dB 15 dB 20 25 dB i 30 dB 1300 0052 82 1 23 E 3 Performance Test Report R amp S ZVT Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Port T Page 1 7 0 06 dB Power linearity Reference 10 dBm ZVT8 only 7 ZVT8 only 8 GHz 18 dB i
51. display 601 621 631 641 650 660 forwards and place it with the key side on the top of the instrument Pull out the front unit together with the keyboard forwards and place it with the key side on top of the instrument Remove the 2 screws 1070 disconnect the cable and remove the USB board 1050 Fitting the USB board and reassembling the instrument gt gt Install the new USB board by reversing the removal procedure replace all screws and connect and install the relevant cables drawing 1300 0097 Insert the front unit back into the instrument and secure to the front frame with 4 countersunk screws 610 Refit the countersunk screws 152 190 2 per RM UNit Replace the front cover 300 and secure with the countersunk screw 315 Refit the 2 front handles 410 using 4 screws Refit the 3 5mm connection cables only with option R amp S ZVT B16 Connect the mains cable turn on at the mains switch and press the ON key Check the USB board Connect the mouse or keyboard and perform a function check 1300 0052 82 3 27 E 3 Board Replacement R amp S ZVT Replacing Power Supply A20 See Chapter 5 Spare Parts List Items 790 and drawings 1300 000 1300 0074 The power supply is installed at the rear of the instrument frame Removing the power supply gt off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450
52. duin i 30 0 00 00 20 T 5 1 2 3 4 5 6 7 Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved E LO E p E E from A10 MOTHERBOARD E from A10 MOTHERBOARD E from A10 MOTHERBOARD Z Sheet 3 Z Sheet 3 amp Sheet 3 E A Y E A E A n Q 5 5 5 E E E 21 SB 4 21 B 4 21 B 4 z 2 eq ed eq ed eq LO gj SMA amp Lo g sa i of sa cd e he M a S E ri ss M M 2 m m E e E gt SMA gt SMA gt E SMA N N N Z Z Z B S SMA SMA S SMA E B SMA SMA SMA 3 O OPTION ZVT8 B63 O OPTION ZVT8 B65 O OPTION ZVT8 B67 530 550 zu A570 EDT PORT EE from A10 PORT es from A10 BORTE zm from A10 E RM 3 E RM 5 RM 7 3 RM UNIT ZVT8 2 E RM UNIT ZVT8 E RM UNIT ZVT8 lt MOD 02 e 15 lt lt MOD 02 e ms lt E MOD 02 e ms lt E RM3 SOURCE A170 RM5 SOURCE A180 E RM7 SOURCE A180 9 from 10 MOTHERBOARD 9 from 10 MOTHERBOARD 9 from 10 MOTHERBOARD Sheet 3 Sheet 3 Sheet 3
53. 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 When installation has been completed push the enclosure back into position and refit 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 1300 0052 82 4 3 E 3 R amp S ZVT Contents Documents Contents Chapter 5 Documents 5 Documients n n doce ca Aaaa Kaaa 5 3 Spare PariS EET 5 3 Available Power GablesS iii 5 3 S Pare WI iac4mtr4e M M 5 4 Mechanical Drawings trece rne iiie ani Rada R 5 4 Block Circuit Diagram erri tertii detinet 5 19 Figures Tables Table 5 1 List of power cables available eee 5 3 Table 5 2 List of all R amp S ZVT parts and spare parts I 5 5 1300 0052 82 1 5 1 E 3 R amp S ZVT Spare Parts 5 Documents This chapter contains the spare parts list and the documents for the complete
54. pR qw X242 LAN2 W241 Li qw X241 LANL Benennung Designat ZVT NETWORK ANALYZER ZVT NETWORK ANALYZER 07 12 19 Abteilung Dept_ Zeichn Nr Drawing Name Name smolinsk 1ESK No ZVT20 FRONT REARPANEL Blatt Sh 6 1300 0000 01 S td 5 SVIN AT REARPANEL o 10 MHz REF 21 ex BNC 6b LX ERI Bt LX AT Yi LV lX SVIN AT NETCON ANALOG 9 ATI QV VW SPIX A142 A140 NETWORK CONTROLLER 1 HH x10 0 691 424105 1298 A 2 i 1 lt gt X OTSV gt 3 EST 9 01 Du T HL bs o SI H gt a TX sv Reg otn gt 3 ET wa H H dr 52 B lt gt X V La e ad I DESM 9 0ZLAZ UT QCCM STADE e G H 7 n I 2 th X Y E 2 07 gt anA UT ET OPSM PEUS wl fri lt SVIN ST ZRA SVIN ST ZRA 67 IM 8X 0zsV lt T aT A dI ZKH Lg 6 0 5 eee TAY lt SW TAY CREDE 6X 015SV SVIN ST lt SPIA SII 009 QW 9viM 8X 018V 7 cN 7INO OS x121 P60 bs 1 OS a SOWDOS
55. 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 1300 0052 82 3 8 E 3 R amp S ZVT Instrument Construction and Function Description 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 equal 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 i
56. the Output Linearity i 1 8 Checking the Power Measurement Accuracy 1 9 Checking the Input 1 10 Checking the Input Noise 1 11 Checking the Matching 1 12 Checking the Dynamic 1 13 Checking the DC Measurement Inputs 1 14 Performance Test sel nennen ennt nre an nn 1 15 1300 0052 82 1 1 1 E 3 R amp S ZVT Preliminary Remarks 1 Performance Test Preliminary Remarks e 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 e The values stated in the following sections are not guaranteed data only the specifications in the data sheet are binding e The values in the data sheet are guaranteed limits Because of the measurement errors that arise these limits must be increased to encompass the tolerances of the measuring equipment used for the performance test e 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
57. 0 540 each for the monitor interface and the user control interface e 2hexagonal screws 550 each for the USB interface and in the dummy panel 555 Remove the 2 screws 141 each for the left and right side panels and the 2 screws 142 in the center and take out the motherboard rail 140 Disconnect any cabling still on the motherboard fan IEC bus etc Remove the 23 screws 520 521 holding the motherboard 520 and take out the motherboard 1300 0052 82 3 32 E 3 R amp S ZVT Board Replacement 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 new 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 v v ON ON When the instrument has been started check the protocol file for errors INF
58. 0 in the top of the front frame and the 2 in the bottom gt Remove the countersunk screws 152 190 2 per RM Unit gt Pull out the front unit together with the keyboard and place it with the key side on top of the instrument CAUTION The cables to the front module controller are still connected Disconnect the cables to the key pad keyboard 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 Place the front unit with the key side upwards on a clean surface gt Undo the 2 countersunk screws 890 and the 2 screws 940 gt The flexible switch board 860 and the key pad 870 can now be replaced Installing a new flexible switch board key pad and reassembling the instrument Insertthe new flexible switch board 860 into the keyboard frame 800 from behind N B The positioning pins must be inserted in the holes in the keyboard frame Place the new key pad 870 on the rear of the flexible switch board 860 Note Position the key pad so that the pins on the flexible switch board pass through the holes in the key pad 1300 0052 82 3 24 E 3 R amp S ZVT Board Replacement gt Put the mounting plate 880 in position and screw back t
59. 0 mV 10 mV 10 mV 300 mV 1000 m V Neg Input 1000 m V 300 mV 10 mV 10 mV 300 mV 1000 m V Accuracy Page 1 14 DC meas 10 V Pos Input 10 0 V 3 0 V 0 1 V 0 1 V 3 0 V 10 0 V Neg Input 10 0 V 3 0 V 0 1 V 0 1 V 3 0 V 10 0 V 1300 0052 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 34 R amp S ZVT Unit Measurement tolerance E 3 R amp S ZVT Table of Contents Alignment Table of Contents Chapter 2 Alignment 2 Alignment iii 2 3 Service Menu cirie 2 3 Manual Alignment and Recording Correction Values eene enn 2 4 Test Equipment nati decedens 24 Aligning the Frequency i 2 6 Aligning the DC Inputs iioii ia 2 7 Correction Value Recording and Factory System Error Calibration 2 9 Installation of the Alignment Program i 2 9 Checking the eT LT 2 9 1300 0052 82 2 1 3 Table of Contents Alignment R amp S ZVT 1300 0052 82 2 2 E 3 R amp S ZVT 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 R amp S ZVT e Alignment of the 10 MHz reference osci
60. 00 0052 82 3 13 E 3 Instrument Construction and Function Description R amp S ZVT Power supply The power supply produces all the voltages required to power the R amp S ZVT 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 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
61. 00 1 W530 W540 Model03 04 13 14 1210 DY FLACHBANDKABEL 50POL 1145 4977 00 1 W550 W560 Model 05 06 07 08 15 16 17 18 W570 W580 1300 DW RF CABLE W676 A530 R amp S ZVT 1300 1306 00 1 W676 x Model 03 1301 DW RF CABLE W676 A530 LOCAL 1305 3271 00 1 W676 x Model 13 1310 DW RF CABLE W175 A530 R amp S ZVT 1305 3265 00 1 W175 x Model 13 1311 DW RF CABLE W175 A530 SOURCE 1300 1164 00 1 W175 x Model 03 1320 DV RF CABLE W137 A530 1145 2868 00 1 W137 Model 03 13 1330 DV RF CABLE W136 A530 1145 2851 00 1 W136 Model 03 13 1400 DW RF CABLE W679 A540 R amp S ZVT 1300 1312 00 1 W679 x Model 04 1401 DW RF CABLE W679 A540 LOCAL 1305 3294 00 1 W679 x Model 14 1410 DW RF CABLE W176 A540 R amp S ZVT 1300 5144 00 1 W176 x Model 04 1300 0052 82 5 13 E 3 List of ZVT parts including spare parts Position Destignation DW RF CABLE W176 A540 SOURC Model 14 Stock No 1305 3288 00 Number Electrical Destignation R amp S ZVT Recommended Spare parts 1420 DV RF CABLE W138 A540 1145 2745 00 1 W138 Model 04 14 1430 DV RF CABLE W139 A540 1145 2739 00 1 W139 Model 04 14 1500 DW RF CABLE W686 A550 ZVT 1300 1329 00 1 W686 x Model 05 1501 DW RF CABLE W686 A550 LOCAL 1305 3313 00 1 W686 x Model 15 1510 DW RF CABLE W186 A550 ZVT 1302 5150 00 1 W186 x Model 05 1511 DW RF CABLE W186 A550 SOURCE 1305 3307 00 1 W186 x Model 15 1520 DV RF CABLE W126 A550 1300 2177 00 1 W126 Model 05 15 1530
62. 0099 7825 00 ED LO DIVIDER 8 1300 0052 82 1302 4060 02 5 5 E 3 List of ZVT parts including spare parts Position Destignation Stock No Number Electrical Destignation R amp S ZVT Recommended Spare parts Model 08 133 14 NUT 75 28UNEF 3583 1561 00 2 134 SERRATED LOCKWASHER 3583 1578 00 2 135 ED PORT BIAS 1145 3935 03 1 A18 136 MP CAP RD11 0570 5187 00 6 137 MP CAP RD12 7 0344 4591 00 6 140 MZ MOTHERB RAIL R amp S ZVT 1300 0568 00 1 Model 08 141 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 Model 08 142 VS 6900 ISR M2 5X8 A2 0041 1653 00 2 Model 08 143 MZ SUPPORT PLATE RM20 1305 4061 00 1 Model 20 144 MZ SUPPORT PLATE RM20 1305 4103 00 1 Model 20 145 MZ SUPPORT PLATE RM20 1305 4090 00 1 Model 20 146 VS6900 ISR M2 5X6 A2 1148 3059 00 13 Model 20 147 VS6900 ISR M2 5X8 A2 0041 1653 00 3 Model 20 149 INSULATION FOIL 1305 3142 00 1 150 ZM RM UNIT R amp S ZVT 8GHz 1302 5173 02 2 A510 A520 Model 08 151 VS 6900 ISR M2 5X6 A2 1148 3059 00 4 Model 08 152 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 8 Model 08 155 COVER 0009 9181 00 2 156 ZM RM UNIT ZVT 20 GHZ 1305 4184 20 2 A510 A520 157 VS 6900 ISR M2 5X6 A2 1148 3059 00 10 Model 20 158 VS 965 ISR M3X16 A4 PA 1300 0868 00 8 Model 20 159 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 Model 20 1300 0052 82 5 6 E 3 R amp S ZVT Positio
63. 10 2 0 GHz 10 2 1 GHz 10 2 5 GHz 10 3 0 GHz 10 1300 0052 82 1 18 E 3 R amp S ZVT Performance Test Report Page 1 5 dBm 1dB 3 5 GHz 10 4 0 GHz 10 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 7 5 GHz 10 8 0 GHz 10 8 1 GHz 10 10 0 GHz 10 10 1GHz 10 12 6 GHz 10 13 GHz 10 16 0 GHz 5 16 1 GHz 3 18 0 GHz 3 20 0GHz 3 E 3 1300 0052 82 1 19 Performance Test Report R amp S ZVT Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Power Uncertainty output power 10 dBm Test frequency ZVT8 only 300 kHz 1 MHz 2 MHz 5 MHz 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz ZVT20 only 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz ZVT8 and ZVT20 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 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 1300 0052 82 1 20 E 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance ZVT20 only 8 1 GHz 10 0 GHz 10 1 GHz 12 6 GHz 12 7 GHz 16 0 GHz I 16 1 GHz 18 0 GHz 20 0 GHz 1300 0052 82 1 21 E 3 Performance Test Report R amp S ZVT Parameter Covered on Min value Actual value Max value Unit Measurement tolerance N N N N N N N N DN N __ 0 06 Power incanti Reference 10
64. 145 3835 05 1 A100 296 MZ INSTRUMENT COVER ZVT 1145 1849 00 1 298 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 33 400 KR BW2 CASING 5E1 1T350N ZV 1145 1826 00 1 405 KR HOLDING HOOK 1096 4796 00 1 460 KR BW2 REAR PANEL FOOT 50MM 1096 2493 00 4 Drawing 1300 1512 00 Option ZVT8 B6x 1300 1506 03 to 1300 1506 18 1100 ZE NETWORK CONTROLLER 1145 3635 04 1 110 120 Model 05 07 15 17 1120 EE SYNTHESIZER DS 1302 5180 02 1 A180 x Model 05 15 1150 ED LO DIVIDER 1300 2002 04 1 A610 x Model 05 1160 DY LO DIV CABLE 420 1300 2083 00 1 W41 1300 0052 82 5 12 E 3 R amp S ZVT List of ZVT parts including spare parts Position Destignation Stock No Number Electrical Recommended Destignation Spare parts MZ LOCKING PLATE 1302 4483 00 Model 05 1165 ED PORT BIAS 1145 3935 03 1 A16 A17 A19 x Model 03 05 07 13 15 17 1166 FJ HEX 14 28UNEF 3583 1561 00 2 1167 FJ SERRATED LOCKWASHER 3583 1578 00 2 Model 03 05 07 13 15 17 for A16 A17 A19 1170 ZM RM UNIT R amp S ZVT 8 GHz 1302 5173 02 1 A530 540 A550 560 A570 A580 1175 MZ RMB HOLDING RAS ZVT 1300 0616 00 1 Model 05 06 07 08 15 16 17 18 1177 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 Model 05 06 07 08 15 16 17 18 1180 VS 6900 ISR M2 5X6 A2 1148 3059 00 2 1190 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 4 1195 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 2 Model 05 06 07 08 15 16 17 18 1200 DY CABLE 50POL 1145 5144
65. 15 dB 10 dB 5dB i 5 dB 10 dB 15 dB i 20 dB ZVT8 25 dB 30 ZVT20 only 9 GHz 20 dB 15 dB 10 dB 5 dB 5 dB 10 dB 15 dB i 20 dB 20 15 dB 10 dB 5 dB i 5 dB 10 dB 15 20 dB 3 1300 0052 82 1 24 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance ZVT20 only 0 06 dB Port Power linearity Reference 10 dBm Frea Level 13GHz 20dB 15 i 10 dB 5 dB 5 dB 10 dB i i 15 dB 20 dB 15 10 dB 5 dB 5 dB 10 i 15 dB 20 dB 13 dB i 10 dB 5 dB 5 10 dB i 7 15 20 dB 13 10 5 dB 5 dB 10 dB i i 15 dB 20 dB 13dB i 10 dB 5 dB i 5 dB 10 dB i 15 dB 20 dB 1300 0052 82 1 25 E 3 Performance Test Report R amp S ZVT Parameter Covered on Min value Actual value Max value Unit Measurement tolerance 0 2 dB Port Power measurement uncertainty 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1GHz 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 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 ZVT20 only 9 0 GHz 11 0 GHz 13 0
66. 4 rear panel feet 460 and the 2 side handles 450 into position gt Reconnect the mains cable and turn on at the mains switch The instrument is now in the standby mode 1300 0052 82 3 41 E 3 Board Replacement R amp S ZVT Replacing the Reflectometer Fan R amp S ZVT20 only See Chapter 5 Spare Parts List and drawings 1300 0000 1300 0600 Opening the instrument and removing the reflectometer gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 pull off the enclosure 400 backwards gt Remove the instrument bottom cover 298 after undoing the 18 countersunk screws 299 Replacing the fan Disconnect the fan cable at the reflectometer Undo the 3 holding screws and remove the fan unit 66 Insert the new fan unit 66 v v Vv ON Screw back the 3 screws Reassembling the instrument 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 bottom cover 298 and secure with 18 countersunk screws 299 v v VV V Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt Reconnect the mains cable and turn on at the mains switch The instrument is now in the standby mode 1300 0052 82 3 42 E 3 R amp S ZVT Boa
67. 5VD MDD1 1 125V 1 375V 1 260V PASSED 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 750V 2 460V 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 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 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 1300 0052 82 3 55 E 3 Troubleshooting R amp S ZVT 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
68. 8 GHz 8 017512345 GHz 7 dBm to 1 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 not within the level range in the table the board must be replaced 1300 0052 82 3 80 E 3 R amp S ZVT Troubleshooting 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 W116 W117 W118 W119 or W126 W127 W128 W129 or W136 W137 W138 W139 or W146 W147 W148 W149 to a functioning port using the adapter cable and SMA N adapter Set the R amp S ZVT to CW sweep mode CENTER 17 512345 MHz Setting at the port used for the measurement POWER 10 dBm Meas S11 Setting at the port associated with the network controller under test WAVE QUANTITY ax or bx Enter service function 2 21 2 18 17512345 IF 17 512345 MHz Disable level corrections with SF 2 21 28 2 15 1 v v ON ON V If the level displayed on the R amp S ZVT s screen is not within the range 4 dBm x 2 dB the board must be replaced 1300 0052 82 3 81 E 3 Troubleshooting R amp S ZVT Testing the Motherboard 28 V supply Using a multimeter measure the voltage at X 100 B5 wrt gr
69. B 2 GHz to 8 GHz 18 dB If the values in the table are exceeded the bridge unit must be replaced 1300 0052 82 3 74 E 3 R amp S ZVT Troubleshooting Testing the Reflectometer RM20 Generator levels It is assumed that the synthesizer section source section of synthesizer1 or synthesizer2 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 Connect the generator output to the spectrum analyzer using the SMA cable Set the R amp S ZVT to the CW sweep mode Set the frequencies listed in the table v v V ON 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 lt 21 dBc lt 21 dBc 1 GHz 10 dBm 13 2 dBm lt 21 dBc lt 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 15 0 Ex 15 GHz 5 dBm 7 5 dBm prd 18 GHz 5 dBm 8 0 dBm nig 20 GHz 5 dBm 8 3 dBm 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 tes
70. BLE W514 GEN 1145 2616 00 1 W514 310 DW CABLE W515 MEAS 1145 2622 00 1 W515 320 DW CABLE W518 REF 1145 3012 00 1 W518 330 FJ TERMINATION 500 HM 0249 7823 00 1 510 ZM RM SUBUNIT R amp S ZVAB 4 8GHz 1302 4990 08 1 x Drawing 1145 3593 01 BR UNIT 100 MB N OUTER CONDUCTOR 1045 8888 00 1 2 110 ZM INNER CONDUCTOR UNIT 1302 5067 00 1300 0052 82 5 11 E 3 Position Drawing 1305 4184 01 RM UNIT R amp S ZVT 20GHZ Destignation Stock No Number Electrical Destignation List of ZVT parts including spare parts R amp S ZVT Recommended Spare parts 20 MN COVER A SIDE RM20 1305 4032 00 40 MZ SMA SUPPORT BRACKET 1305 4155 00 1 50 MZ VENTILATION PLATE 1305 4049 00 1 60 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 7 150 FJ ADAPTOR PC3 5 1127 9493 00 1 2 200 ZE COUPLER 24 1162 0701 02 1 501 300 MZ COUPLER BRACKET ZVT 1305 4149 00 1 x 350 MZ DISTANCE PLATE RM24 1145 4490 00 1 400 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 2 450 VS 6900 ISR M2 5X20 A4 5302 0431 00 2 500 ZE REFLECTOMETER 20 UNIT 1145 4277 03 1 A500 x 600 DW CABLE W514 GEN 1305 4110 00 1 W514 x 700 DW CABLE W515 MEAS 1305 4126 00 1 W515 x 800 DW CABLE W518 REF 1305 4132 00 1 W518 x 900 DV CABLE W541 1145 4931 00 1 W541 Drawing 1164 1770 00 Option ZVAB B4 1164 1757 02 120 EE FREQ REFERENCE 1
71. DIGITAL 141 X142 X143 424105 HOUMOS ENY T 100 08 S9LX P9YH LAZ UT JSpn DUT SS us P El oppe 8 a 9 A 5 lt gz yEy e ri 2 x RH lt E 33 x L m 3 E E 8 aq TOA lt gt 3 91X 018V 5 p gt m no od if lt gt TX OZSY 25 AR m zc gt SHS a SE si 8 C m cud Was B a E if occu S LAE ut SE 2 S 9 23 T lt IIE D s A up 07 SM EN UT iepnpoup DFSM gt Y dl X 3 N 3 M 8 Ba amp vi Swan AT ZIO ooo lt DIE EVA ZKH lt ob im lt 8V L M d dI ZKH D 6 0257 gt a lt LFL AT d EMEND 6X 01sV p eee SWH lt 97M SVIN TTT TI 8X 015V da 2 cN 1x5 7 100 OT 8 5 691X eo zz I H 100 OT gt 891X EX NI ZHW8ZI e CERI TA LYLX a a ack m 8 S G d z do SSE 18 E NONIS S AX i PA pd B Z 1no H 99 ATT OT 921 ED SEE 92 S T 100 01 EE 59 S91X e lt oui ELE s s Qe ala sO Ol SVIN dl pK Em eee 8x 0vsv D SVs AI lt Kad LAZ UT qepntout OE LM lt a J P Ju ST PRO dd lt POd
72. DV RF CABLE W127 A550 1300 2219 00 1 W127 Model 05 15 1550 DW RF CABLE W601 1300 1258 00 1 W601 x Model 05 1560 DW RF CABLE W262 LO OUT 1300 1264 00 1 W262 x Model 05 1600 DW RF CABLE W689 A560 ZVT 1300 1335 00 1 W689 x Model 06 1601 DW RF CABLE W689 A560 LOCAL 1305 3336 00 1 W689 x Model 16 1610 DW RF CABLE W189 A560 ZVT 1300 1235 00 1 W189 x Model 06 1611 DW RF CABLE W189 A560 SOURCE 1305 3320 00 1 W189 x Model 16 1620 DV RF CABLE W129 A560 1300 2183 00 1 W129 Model 06 16 1630 DV RF CABLE W128 A560 1300 2225 00 1 W128 Model 06 16 1700 DW HF CABLE W696 A570 ZVT 1300 1341 00 1 W696 x Model 07 1701 DW HF CABLE W696 A570 LOCAL 13053359 00 1 W696 x Model 17 1710 DW HF CABLE W185 A570 ZVT 1300 1206 00 1 W185 x Model 07 1300 0052 82 5 14 E 3 R amp S ZVT Position Destignation DW HF CABLE W185 A570 SOURCE Model 17 List of ZVT parts including spare parts Stock No 1305 3342 00 Number Electrical Destignation Recommended Spare parts 1720 DV HF CABLE W116 A570 1300 2190 00 1 W116 Model 07 17 1730 DV HF CABLE W117 A570 1300 2231 00 1 W117 Model 07 17 1800 DW RF CABLE W699 A580 ZVT 1300 1358 00 1 W699 x Model 08 1801 DW RF CABLE W699 A580 LOCAL 1305 3371 00 1 W699 x Model 18 1810 DW RF CABLE W186 A580 ZVT 1300 1229 00 1 W186 x Model 08 1811 DW RF CABLE W186 A580 SOURCE 1305 3365 00 1 W186 x Model 18 1820 D
73. Data v Perform factory system error calibration see Factory System Error Calibration 1300 0052 82 3 45 E 3 Board Replacement R amp S ZVT Replacing LO Divider8 Board A190 1302 4060 02 20 See Chapter 5 Spare Parts List Item 128 and drawing 1300 0000 The board is in the upper section of the instrument Opening the instrument and removing the board gt Tum off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Lift off the instrument top cover 296 after undoing the 37 countersunk screws 297 gt Extract the network controller using the ejector lever Fitting the board and reassembling the instrument Fitthe new board in the instrument Refitthe top instrument cover 296 with 37 countersunk screws 297 Slide the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 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 v wv Perform factory system error calibration see Factory System Error Calibration 1300 0052 82 3 46 E 3 R amp S Z
74. E EE A19 QV T EVN a DAO E cB z a ANB O A SIUOTI qu umoop STUI 204 8JUOSY sun ATM u qTeu q s s rp Blatt Sh Drawing No 1300 900995 Zeichn Nr LOCAL A510 X10 includet in OPTION ZVT B63 RM3 LOCAL A530 X10 ZVT NETWORK ANALYZER ZVT NETWORK ANALYZER Benennung Designat ROHDE amp SCHWARZ E Name n Name Smolinsk 1 5 Abteilung 07 12 19 Dept Datum Date ZVT 5 Fuer dieses Dokument behalten wir uns alle Rechte vor For this document all rights are reserved bi 5 A 10 MOTHERBOARD ZVT 1 FRONT UNIT ZVT20 FRONT MODULE CONTROLER SWITCH FOIL E4 x E3 x E2 x El A15 FLEX A10 MOTHERBOARD ZVT 2 20 64 SOURCE OPTION ZVT20 B16 MOD I 1 510 RM UNIT ZVT 20GHZ REF PORT SOURCE REF 27 2 520 RM UNIT ZVT 20GHZ S ate eRe E i MOD VAR MOD OPTION ZVT20 B63 OPTION ZVT20 B66 v 152 16 By eae B16 MOD D ZVT20 B16 MOD MOD 14 Legende legend enthalten in contained GRUNDEINHEIT ZVT FUNDAMENTAL UNIT 1300 0074 01
75. GR FRONTMOD CONTROLLER 7 3 1091 3104 00 1 A90 x Model 08 1300 0052 82 5 8 E 3 R amp S ZVT Position Destignation GR FRONTMOD CONTROLLER 7 3 Model 20 List of ZVT parts including spare parts Stock No 1091 3104 00 Number Electrical Destignation Recommended Spare parts LITHIUM BATTERY CR2032 0858 2049 00 585 HS BIOS R amp S ZVT 1300 1758 00 1 590 VS 6900 ISR M2 5X6 A2 1148 3059 00 10 595 DF CABLE 4X2 AND SHIELDING 380 2085 4350 00 1 W12 596 DZ FEED THROUGH RD8XRD14X8 0062 1146 00 1 597 DZ HOLDER 0794 5214 00 1 600 ZM FRONT UNIT R amp S ZVT8 1300 0097 08 1 A1 Model 08 604 ZM FRONT UNIT ZVT20 1300 0097 20 1 A1 Model 20 610 VS 965 ISR M2 5X5 A4 PA 1148 2752 00 4 710 ZE HD WITH FIRMWARE R amp S ZVAB 1145 1178 03 1 A60 x Model 08 711 ZE HD WITH FIRMWARE ZVAB 1145 1178 03 1 A60 x Model 20 715 DY SATA DATACABLE 265 1091 3440 00 1 W11 x Model 08 716 DY SATA DATACABLE 265 1091 3440 00 1 W11 x Model 20 717 DY SATA POWERCABLE 265 1091 3427 00 1 W13 x 720 MZ DISK MOUNT 1093 4837 00 1 725 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 2 730 VS 965 ISR M3X5 A4 PA 1148 2775 00 4 735 ED AC FUSE BOARD 1145 3906 02 1 21 736 MZ PROTECTION COVER 1300 0845 00 1 737 VS 7985 ISR M3X10 A4 PA 1148 2623 00 1 738 OS LABEL 25MM HIGH VOLTAGE 0042 5169 00 1 FLASH 740 DX POWER SUPPLY
76. IF shift 2 21 24 2 18 ZF IF in Hz 0 0 IF via shift table 1300 0052 82 3 62 E 3 R amp S ZVT Determining which Boards are defective Troubleshooting The table below lists boards that are probably defective based on the faults that occurred during the performance test Defective board Problem with Probable Also possible Frequency accuracy Frequency reference SSB phase noise Only one port R amp S ZVT8 Synthesizer2 Synthesizer3 R amp S ZVT20 Synthesizer1 Synthesizer2 All ports Frequency reference Level accuracy 1 Only one port Reflectometer associated with defective port port1 to port4 port5 to port8 Synthesizer2 Synthesizer3 Max output level Only one port port1 port2 port3 port4 port5 port6 port7 port8 Reflectometer associated with defective port R amp S ZVT8 Synthesizer2 R amp S ZVT20 Synthesizer1 Synthesizer2 R amp S ZVT8 Synthesizer3 R amp S ZVT20 Synthesizer2 Only R amp S ZVT8 Synthesizer3 Absolute accuracy wave quantity a Reflectometer associated with defective port Level linearity Reflectometer associated with defective port Harmonic ratio Reflectometer associated with defective port R amp S ZVT8 Synth 2 Synth 3 R amp S ZVT20 Synth 1 Synth 2 Spurious suppression R amp S ZVT8 Synthesizer2 Synthesizer3 R amp S ZVT20 Synthesizer1 Synthesizer2 Matching portx Bridge unit
77. KU os gt Jepnpout gt 208 S Ge gt 891X NY a N aO 04108 9WH uz aramsz gq se E S A TI TET i 1 20 gt 990 LAZ UI Bi zd N Su jz 124005 LWA I i BG So 5 gt qux op 15 x 25 Hi L99 LAZ UT iepn our E 3x fA I pes PG TM A GWA NOWLOS EK Le Ti o gt a gt l 991X C9U LAZ UT Jepnpoup i I ae 304108 LWA T 100 os 21 xm SITX e 59 m d 1 a NI LNGT NI LNO OT Wa LOTX TAS OT 294 Ud 901X 4m TAS JH ZAS 901 TWN boo PU LR E o m E E o z DI o m Eu X100 dll y EAS 48 TEST ATO UV Z TWN OV ZYN XI QV EYN BE Gm lt gt SN g9g LAz ur aspnipu 0854 sixsossv SE GE OLSM gt SN LOE LAZ 0558 orx orsv BE I 099 lt gt SN 994 1 4 02954 91 096 28 0598 lt gt SON lt 94 1 4 DSM grxyossy I SVIN AT SKU EVA 4T EWA eee I eux lt g9g rAZ UT Jepn out 6114 AU AT ENO eee Ju AT T R dui aT SKU lt 899 ur q pn our 8 lt 6X 095V GTV S ix L lt
78. LAZ ur i ym zs E am aT lt 9g LAZ q pn pur LEMM am aT Yin 5 E B lt 6X 0E5V S Ec Kg 32 Svan ST ci 99 LAZ UT Jepntout m aa SVIN 41 ERU EX OESY NI 1 100 08 22 E 691X o 324108 lt 354005 CHI ERO B gt qx 100 OS gt 55 72005 SITE e 169 Lg NI ZHW8ZI x SONDOS ZH n gt x T L91X gt gx S K LAS E z a Ej e Sz 12 324108 WH no A JE 12 E9E LAZ UT q pnl uT gt dra 1 O SE X 5 a SONDOS og lt Ino os 25 991X E gt xs I STATI eee I ex SWAN aT lt 999 L1AZ ur 901 TIK lt 999 ui q pn1rour 82 9 avl L sed 6X 095V Cp aT vA S ix dm AI SWA lt G99 LAZ Jepn our 2914 FRA ITERA lt NE L ng 6X 0SSV swat aT m cm 9px SYAN AI SK lt G9Y LAZ ui qepn ou ICIM Soke p mA SE aga SVSI aT SWA I ARE SPTX TSY EYN BX 0SSV E a da d LO 09 se 1 m kn a HOUNOS IWA V OS E H oe ml 6x S 32410 SKU TIX 09SY SO 304108 S
79. MA N Setthe 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 Connect the frequency reference output of the spectrum analyzer to X107 REF 10 OUTIN using an adapter cable and adapter SMA N Connect X105 or X106 SY1 REF or SY2 REF to the spectrum analyzer using an adapter cable and adapter SMA N gt 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 1300 0052 82 3 66 E 3 R amp S ZVT Troubleshooting Testing the Synthesizer Board N B Synthesizers with part numbers 1145 xxxx or 1300 xxxx are no longer available In case of a defect please contact the Central Service in Munich R amp S ZVT8 Synthesizer2 or Synthesizer3 R amp S ZVT20 Synthesizer1 or Synthesizer2 gt Disconnect source cable at the reflectometer 1 to 8 depending on which synthesizer section is to be tested Connect the end of the source cable to the spectrum analyzer input via an adapter cable and adapter SMA N N B B
80. N I OCXO CPU GRAPHICS POWER SUPPLY E 3 R amp S ZVT Fig 3 4 Instrument Construction and Function Description BRIDGE PORT 1 GENERATOR PORT 1 RECEIVER REF PORT 1 RECEIVER MEAS PORT 1 BRIDGE PORT 2 SYNTHESIZER 1 I BRIDGEPORT4 L Opt ZVT8 B64 BRIDGE PORT 6 Opt ZVT8 B66 BRIDGE PORT 7 BRIDGE PORT 5 L EEA VEE BRIDGE PORT 3 FEET TS GENERATOR GENERATOR PORT2 RECEIVER REF PORT 2 RECEIVER MEAS PORT 2 15to 21 MHz NETCON ANALOG 1 NETCON DIGITAL 1 SYNTHESIZER 2 PORT 3 RECEIVER REF PORT 3 RECEIVER MEAS PORT 3 GENERATOR PORT 4 RECEIVER REF PORT 4 RECEIVER MEAS PORT 4 GENERATOR PORT 5 RECEIVER REF PORT 5 RECEIVER MEAS PORT 5 GENERATOR I PORT 6 RECEIVER REF PORT 6 RECEIVER MEAS PORT 6 GENERATOR PORT 7 RECEIVER REF PORT 7 RECEIVER MEAS PORT 7 BRIDGE PORT 8 GENERATOR PORT8 RECEIVER REF PORT 8 RECEIVER MEAS PORT 8 Opt ZVT8 B16 shown with Port1 1300 0052 82 3 5 15 to 21 MHz
81. O Error Log Align the DC inputs see Aligning the DC Inputs v v Write synthesizer mapping and shift data to the motherboard EPROM see Correction Value Recording 1300 0052 82 3 33 E 3 Board Replacement R amp S ZVT Replacing a Reflectometer RM8 A510 to 580 See Chapter 5 drawings 1300 0000 1300 1512 The reflectometers 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 four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Remove the 4 screws in the front handles 410 right and left and take off the front handles gt Remove the countersunk screw 315 and pull off the front cover 300 forwards gt Remove the bottom instrument cover 298 after undoing the 18 countersunk screws 299 Reflectometer A510 to 540 port1 to port4 gt First remove the reflectometer A550 or A560 A570 580 gt Remove 3 5mm connection cables only with option R amp S ZVT B16 gt Remove the 2 screws 152 190 in the front of the instrument next to the port connector gt Disconnect the source cable the LO cable the two IF cables and the 50 pin control cable from the reflectometer gt Remove the 2 screws 151 at the end of the reflectometer and take out the reflectometer Reflectometer A550 to A580 gt Remove 3 5mm connection cables on
82. Ref1 to 8 on the reflectometer board The signal reflected or transmitted by the DUT Meas1 to 8 is fed to the port coupled out in the bridge unit and fed to the receiver section Receiver Meas 1 to 8 on the reflectometer board The generator signal on R amp S ZVT20 10 MHz to 20 GHz is generated on synthesizer board 2 frequency multiplied filtered and amplified in the generator section of the reflectometer board and then passes via the coupler to the port port1 to 6 and so to the DUT The reference signal Ref1 to 6 is split in the coupler and fed to the receiver section Receiver Ref1 to 6 on the reflectometer board The signal reflected or transmitted by the DUT Meas1 to 6 is fed to the port coupled out in the coupler unit and fed to the receiver section Receiver Meas 1 to 6 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 1300 0052 82 3 7 E 3 Instrument Construction and Function Description R amp S ZVT Reflectometer R amp S ZVT8 A reflectometer board comprising a bridge unit a generator section Generator and a receiver section Receiver are incorporated in every port Port1 to 8 These three components are screwed together to form a compact unit Bridge unit The bridge unit is a resistive coupler which
83. Refit support plates 3140 3142 and reflectometers A530 A540 A560 only with option R amp S ZVT20 B63 B64 B66 gt Fitthe instrument base cover 298 and secure with 18 countersunk screws 299 1300 0052 82 3 38 E 3 R amp S ZVT Board Replacement gt Replace the front cover 300 and secure with the countersunk screw 315 gt Refit the 2 front handles 410 using 4 screws Slide the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 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 gt 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 v Perform the factory system error calibration see Factory System Error Calibration 1300 0052 82 3 39 E 3 Board Replacement R amp S ZVT Replacing the Coupler R amp S ZVT20 only See Chapter 5 drawing 1300 000 1300 1612 1305 4184 Opening the instrument and removing the coupler gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards Remove the instrument base cover 298 after undoing the 18 countersunk screws 299 Remove reflec
84. Service Manual Vector Network Analyzers R amp S ZVT8 R amp S ZVT20 1300 0000 08 1300 0000 20 Printed in Germany ROHDE amp SCHWARZ Test and Measurement 1300 0045 82 03 R amp S is a 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 ZVT Index A Alignment ala ei ea te Eni itt eene Frequency accuracy Frequency response correction Level A tee Reference Testequipment ulivi B Battery Replacemernt eee 3 20 Block circuit diagram ie iii 5 4 Board replacement DetectoF A120 ius tet teni no ees denas 3 43 3 46 3 30 Front hood to tetto M aa 3 26 Front module processor 90 3 17 Frontend A100 3 34 3 38 Motherboard A10 iii 3 31 Power SUPPplY ii 3 29 Power su
85. Source power ZVT8 8dBm ZVT20 10 dBm 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 2GHz 3 GHz 3 GHz 4 5 GHz 4 GHz 6 GHz 4 2 GHz 6 3 GHz i 5 0 GHz 7 5 GHz 6 0 GHz 9 0 GHz 7 GHz 10 5 GHz 8 0 GHz 12 0 GHz 8 2 GHz 12 3 GHz 5 0 GHz 10 0 GHz 15 0 GHz 1300 0052 82 1 16 E 3 R amp S ZVT Port Harmonics Source power ZVT8 8dBm ZVT20 10 dBm Freq Harmonics 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 0GHz 14 0GHz 21 0 GHz 8 0GHz 16 0 GHz 24 0 GHz ZVT20 only 9 0GHz 18 0GHz 11 0 GHz 22 0 GHz 1300 0052 82 Performance Test Report E 3 Performance Test Report R amp S ZVT Covered on Min value Actual value Max value Measurement tolerance Port Page 1 5 dBm 1dB Max output power Test frequency ZVT8 only 300 kHz 10 1 MHz 10 2MHz 10 5 MHz 10 10 MHz 10 20 MHz 10 50 MHz 13 100 MHz 13 200 MHz 13 500 MHz 13 750 MHz 13 1 0 GHz 13 1 5 GHz 13 2 0 GHz 13 2 1 GHz 13 2 5 GHz 13 3 0 GHz 13 3 5 GHz 13 4 0 GHz 13 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 7 5 GHz 8 8 0 GHz 8 ZVT20 only 10 MHz 10 20 MHz 10 50 MHz 10 100 MHz 10 200 MHz 10 500 MHz 10 750 MHz 10 1 0 GHz 10 1 5 GHz
86. T Recording correction values GPIB Interface GR AT GPIB IEEE4888 IF PCI NI 488 PCI GPIB 1072 6101 00 National Instruments Alignment Software R amp S ZVAB Service 1302 4460 00 Recording Values Power supply 2x 0 to 10V Aligning the DC inputs 1300 0052 82 2 4 E 3 R amp S ZVT Type of equipment Calibration kit Calibration kit Test cable Conn Cables for DC Inputs 1300 0052 82 Manual Alignment and Recording Correction Values Recommended Recommended R amp S Order Application specifications model No N calibration kit R amp S ZV Z21 1085 7099 02 Recording correction values on ZVT8 3 5 mm 50 10 MHz R amp S ZV Z32 1128 3501 02 Recording correction to 20 GHz values on R amp S ZVT20 Test cable N m to N m R amp S ZV Z11 1085 6505 03 Recording correction values on R amp S ZVT8 Test cable 3 5mm m R amp S ZV Z14 1134 4093 02 Recording correction to 3 5 mm f values on R amp S ZVT20 4 pin mini DIN plug R amp S ZV Z71 1164 1005 02 Aligning the DC inputs 2 5 E 3 Manual Alignment and Recording Correction Values R amp S ZVT Aligning the Frequency Accuracy Test equipment Spectrum analyzer section Test Equipment item 1 Error 1x10 Test setup Connect the frequency counter to the 10 MHz reference output at the rear of the R amp S ZVT R amp S ZVT settings Select internal reference MENU System Reference Internal Spectrum analyzer settings
87. TION I OCXO 1 ZVAB Bal 1 i 1 Laa aN CPU GRAPHICS DIGITAL 2 POWER SUPPLY Block diagram of R amp S ZVT8 4 ports with LO Divider 1300 2002 R amp S ZVT Instrument Construction and Function Description BRIDGE PORT 1 PORT 1 15 to 21 MHz i RECEIVER REF PORT 1 f I RECEIVER MEAS PORT 1 i ANALOG DIGITAL 1 ESSA BRIDGE PORT 2 GENERATOR PORT2 0 4 PORT 2 RECEIVER REF PORT 2 i i RECEIVER i MEAS PORT 2 SYNTHESIZER 1 LO DIVIDER8 EEN PA SE Gen SYNTHESIZER 2 REFERENCE GRAPHICS ZVAB B4 1 1 1 1 A A l BRIDGE PORT 3 PORT3 15 to 21 MHz GENERATOR PORT 3 RECEIVER REF PORT 3 RECEIVER MEAS PORT 3 i Opt ZVT8 B63 NETCON DIGITAL NETCON 2 ANALOG BRIDGE PORT 4 GENERATOR RECEIVER REF PORT 4 PORT4 RECEIVER MEAS PORT 4 Opt ZVT8 B64 SUPPLY Fig 3 2 Block diagram of R amp S ZVT8 4 ports with LO Divider 8 1302 4060 1300 0052 82 3 3 E 3 Instrument Construction and Function Description PORT1 BRIDGE PORT 1 GENERATOR PORT 1 RECEIVER REF PORT 1 RECEIVER MEAS PORT 1 PORT 2 PORT3 PORT 4 PORT5 BRIDGE PORT 2
88. V RF CABLE W119 A580 1300 2202 00 1 W119 Model 08 18 1830 DV RF CABLE W118 A580 1300 2248 00 1 W118 Model 08 18 1840 FJ CAP 0092 6375 00 1 1900 PD INSTALLATION INSTRUCT ZVT8 B6x 1300 1512 00 1 Model 03 04 05 06 07 08 1910 PD INSTALLATION INSTRUCT ZVT8 B6x 1305 4649 00 1 Model 13 14 15 16 17 18 Drawing 1300 1712 00 Option R amp S ZVT8 B16 1300 1706 11 18 2020 DW RF CABLE W501 REF IN 1300 0774 00 1 W501 2030 DW RF CABLE W503 REF OUT 1300 0780 00 1 W503 2040 DW RF CABLE W504 MEAS IN 1300 0797 00 1 W504 2050 DW RF CABLE W505 MEAS OUT 1300 0800 00 1 W505 2060 DW RF CABLE W534 SRC IN 1300 0816 00 1 W534 2070 DW RF CABLE W535 SRC OUT 1300 0822 00 1 W535 2080 DW CABLE EXT 3 6 1300 1729 00 3 2090 PD INSTALLATION INSTRUCTION 1300 1712 00 1 R amp S ZVT B16 Drawing 1300 1641 00 Option ZVT20 B16 1300 1635 11 16 3020 DW RF CABLE W501 REF IN 1305 4332 00 1 W501 3030 DW RF CABLE W503 REF OUT 1305 4349 00 1 W503 1300 0052 82 5 15 E 3 List of ZVT parts including spare parts Position Destignation DW RF CABLE W504 MEAS IN Stock No 1305 4355 00 Number Electrical Destignation R amp S ZVT Recommended Spare parts 3041 DW RF CABLE W603 MEAS IN 1305 4390 00 1 W603 with option ZVT20 B32 34 3050 DW RF CABLE W505 MEAS OUT 1305 4361 00 1 W505 3060 DW RF CABLE W534 SRC IN 1305 4378 00 1 W534 3070 DW RF CABLE W535 SRC OUT 1305 4384
89. VT Board Replacement Replacing Frequency Reference Board A100 See Chapter 5 Spare Parts List Item 120 and drawings 1300 0000 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 four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards Lift off the instrument top cover 296 after undoing the 37 countersunk screws 297 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 37 countersunk screws 297 Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 and the 2 side handles 450 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 1300 0052 82 3 47 E 3 Troubleshooting R amp S ZVT 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 troubleshoot
90. ZVT8 or coupler unit ZVT20 of reflectometer associated with the defective port Bridge unit ZVT8 or coupler unit ZVT20 of reflectometer associated with the defective port Directivity portx Receiver absolute accuracy port1 2 port3 4 port5 6 port7 8 All ports Reflectometer associated with defective port Reflectometer associated with defective port Reflectometer associated with defective port Refl associated with defective port ZVT8 only Synthesizer1 Network controller1 Network controller2 Network controller3 Netw cntr 4 ZVT8 only Frequency reference Receiver linearity for high levels Portx Reflectometer associated with defective port port1 to 4 LO dividert or LO divider8 port5 to 8 LO divider2 or LO divider8 all ports Synthesizer1 Receiver linearity for low levels porti 2 Network controller1 port3 4 Network controller2 port5 6 Network controller3 port7 8 Network controller4 ZVT8 only Receiver noise level portx Reflectometer associated with defective port Synthesizer1 Dynamic range portx Reflectometer associated with defective port Synthesizer1 DC measurement input 1V Motherboard Network controller1 DC measurement input 10V Motherboard Network controller1 Frequency reference input output Frequency reference Correction values should be recorded see Recording Correction Values when the fault verified during the performance test is small
91. a keyboard with mouse and an external monitor see Chapter Test Equipment Items 12 and 13 To show the hardkeys on the screen select Display Display Config Hardkey Bar 1300 0052 82 3 49 E 3 Troubleshooting R amp S ZVT Troubleshooting Power up Problems e Fault It is not possible to turn on the R amp S ZVT Action Check mains switch on the rear panel 0 Check LED is yellow standby U Turn on instrument Check LED is green 0 e Fault Fan not working Action Check voltage at connector X35 X36 X37 X38 nom value 12V U 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 X38 pin nom value 0 9V 1300 0052 82 Cause of fault remedy Mains switch OFF Turn on at mains switch LED does not come on 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 1V for ON Voltage gt 1V Key pad or controller defective Cause of fault remedy If no voltage can be measured the fan fuse may be defective F1 3 50 E 3 R amp S ZVT Troubleshooting Troubleshooting Boot Problems e Fault R amp S ZVT does not start the measurement application The first action R
92. air work of your equipment or to order spare parts The list of the Rohde amp Schwarz representatives is provided 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
93. al Keyboard with USB connector General mouse 1300 0052 82 1 3 E 3 Performance Test R amp S ZVT Performance Test Compare with data sheet Use a keyboard with mouse and an external monitor for all measurements see Chapter Test Equipment Item 12 and 13 To show the hardkeys on the screen select Display Display Config Hardkey Bar Checking the Frequency Uncertainty Instrument Spectrum analyzer see Chapter Test Equipment Item1 Test cable see Chapter Test Equipment Test setup Connect the spectrum analyzer to port 1 port 2 to port 8 Spectrum analyzer settings PRESET FREQ 1 GHz SPAN 100 kHz BW MANUAL RES BW 2 kHz MARKER MARKER MODE FREQ COUNT AMPT REF LEVEL 10 dBm R amp S ZVT settings Select System Internal Reference Preset Meas Wave Quantities a1 Src Port 1 Sweep Sweep Type CW Mode 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 1300 0052 82 1 4 E 3 R amp S ZVT Performance Test Checking the Harmonics Instrument Test setup Spectrum analyzer settings R amp S ZVT settings Measurement Calculation 1300 0052 82 Spectrum analyzer see Chapter Test Equ
94. amp enthalten in contained in FRONTEINHEIT ZVT8 FRONT UNIT ZVT8 1300 0097 01 X El E2 enthalten in contained in GERAETERAHMEN 2 8 DEVICE FRAME 1300 0080 00 enthalten in contained in KABELSATZ ZVT CABLEASSEMBLY 2 1300 1029 01 5 A 2 AC FUSE LINE IN 100 240V 50 60HZ 650 W 225 TRIGGER i x221 1 DIGITAL INTERFACE 20 POWER SUPPLY x220 1 USER CONTROL i x219 1 CASCADE i X218 MONITOR x201 NOISE SOURCE 210 0 MHz REF 28V_NS REF_10_OUTIN x212 1 DC MEAS 10V 10V x211 DC MEAS i X215 1 USB 2 SIV REAR PANEL IECI27 F250L 1 PORT BIAS 1 2 PORT BIAS 2 ON ZVT8 for 3 4 PORT MODELS 4 OPTION ZVT8 B64 B63 5 OPTION ZVT8 B65 for 5 6 PORT MODELS 6 OPTION ZVT8 B66 PORT BIAS W261 LO OUT AUX2 50R R261 W260 LO IN AUX1 50R R260 WA L IEC BUS 1120 LT OPTION D SYSTHEM BUS ROHDE amp SCHWARZ Datum Date gt y 1245 SUB D i p25 OPTION th 11 Z ra W230 BNC OPTION AUX w24 P
95. and pull off the enclosure 400 towards the rear 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 gt 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 protective conductor cable and fuse board 735 to the left gt Ontheright 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 gt new power supply by reversing the removal procedure gt Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt Connect the mains cable turn on at the mains switch and press the ON key gt Select Service Level 2 see Service Functions When the instrument has been started check the protocol file for errors INFO Error Log 1300 0052 82 3 28 E 3 R amp S ZVT Board Replacement Replacing Fuse board A21 See Chapter 5 Spare Parts List 735 and drawings 1300 000 1300 0074 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 instr
96. ble the coupler unit must be replaced Method 2 The receiver section of the associated reflectometer is OK VV Vv ON 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 Connect the coupler input connector W514 to a functioning port using the SMA cable 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 3 dB 15 dBm 3 dB 2 GHz 0 dBm 13 3 dBm 3 dB 8 dBm 3 dB 8 GHz 0 dBm 14 3 dBm 3 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 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 1300 0052 82 3 77 E 3 Troubleshooting R amp S ZVT Coupler Directivity The following is assumed e The generator and receiver sections of the reflectometer associated with the coupler unit are OK
97. cable Connect the power sensor to a power splitter output Connect the other power splitter output to port1 port2 to port 8 using an adapter from the calibration kit The reference oscillators in the signal generator and in the R amp S ZVT must be synchronized Preset Meas Wave Quantities b1 Src Port 1 b2 Src Port 2 to b4 Src Port 4 Power RF Off Meas Bandwidth 100 Hz Marker Sweep Sweep Type CW Mode CW Frequency fcen 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 ZVT marker values Level error Les 1 9 E 3 Performance Test R amp S ZVT Checking the Input Linearity Instrument Calibration kit see Chapter Test Equipment Item4 R amp S ZVT settings Preset Meas Ratios b1 a1 Src Port 1 b2 a2 Src Port 2 to b8 a8 Src Port 8 Meas Bandwidth 10 Hz Marker Sweep Sweep Type Power Start 40dBm Stop 10dBm CW Frequency fcen Sweep Single Restart For measurement frequencies see Performa
98. cement R amp S ZVT Replacing the Front Cover See Chapter 5 Spare Parts List Item 300 and drawing 1300 0000 The front cover is the outermost front panel with lettering gt Turn off the instrument and disconnect from the mains Remove 3 5mm connection cables only with option R amp S ZVT B16 Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove the countersunk screw 315 and pull off the front cover 300 forwards Fit the new front cover and reassemble the instrument by reversing the disassembly procedure v v V V ON Connect the mains cable turn on at the mains switch and press the ON key 1300 0052 82 3 26 E 3 R amp S ZVT Board Replacement Replacing USB Board A40 See Chapter 5 Spare Parts List Item 1050 and drawings 1300 000 1300 0097 The USB board is located behind the front cover and the keyboard frame Opening the instrument and removing the USB board VV V V V V WV Turn off the instrument and disconnect from the mains Remove 3 5mm connection cables only with option R amp S ZVT B16 Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove the countersunk screw 315 and pull off the front cover 300 forwards Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom Remove the countersunk screws 152 190 2 per RM Unit Pull out the front unit together with keyboard and
99. cified 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 Synthesizer1 With LO divider 1300 2002 Disconnect cable from LO divider 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 above on the R amp S ZVT and check the values With LO divider 1302 4060 Remove LO divider board gt Connect X1951 in the motherboard to the spectrum analyzer using an adapter cable and adapter SMA N gt Set Une frequencies listed in the table above on the R amp S ZVT and check the values Synthesizer LO 1302 4248 02 R amp S ZVT8 only Frequency Local Level 2nd harmonic 3rd harmonic ZVT setting Mod 02 Mod 03 300 kHz 2 dBm to 15 dBm 5 dBc 3 dBc 100 MHz 2 dBm to 15 dBm 5 dBc 5 dBc 1GHz 2 dBm to 4 dBm 5 dBc 5 dBc 2 GHz 2 dBm to 4 dBm 5 dBc 5 dBc 3 GHz 2 dBm to 1 5 dBm 5 dBc 5 dBc 3 8 GHz 2 dBm to 1 5 dBm 5 dBc lt 14 dBc 4 GHz 2 dBm to 1 5 dBm 5 dBc 30 dBc 5 GHz 2 dBm to 1 5 dBm 5 dBc 30 dBc 6 GHz 2 dBm to 4 dBm 5 dBc 30 dBc 7 GHz 3 dBm to 4 dBm 5 dBc lt 30 dBc 8 GHz 3 dBm to 4 dBm lt 5 dBc 30 dBc 1300 0052 82 3 69
100. ct from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards Replacing one of the three fans gt Lift off the top instrument cover 296 after undoing the 37 countersunk screws 297 gt Disconnect the fan cable the motherboard X35 X36 and X37 gt Remove fan by undoing the 4 fan screws Fitting a new fan 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 gt Connect the fan cabling on the motherboard X35 X36 and X37 FAN Reassembling the instrument Refit the top instrument cover 296 with 37 countersunk screws 297 Refit the bottom instrument cover 298 with 18 countersunk screws 299 Connect the mains cable turn on at the mains switch and press the ON key Check that all fans are operating correctly fans should blow air into the instrument Turn off the instrument and disconnect the mains cabling again Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position VV VV ON ON Connect the mains cable turn on at the mains switch and press the key 1300 0052 82 3 30 E 3 R amp S ZVT Board Replacement Replacing M
101. 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 or 0 5 dB GHz 1 m If the measured values are more than 3 dB below the levels and ratios list in the table the RM Subunit must be replaced Bridge unit levels The following is assumed e One reflectometer in the instrument is OK 1300 0052 82 3 71 E 3 Troubleshooting R amp S ZVT 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 7mm spanner Connect the bridge unit output MEAS connector W515 or REF connector W518 to a functioning port using the SMA cable and adapter SMA N Terminate the bridge unit output that is not used with an SMA termination gt Screw SHORT from the N calibration kit to the port connector Set the frequencies and levels listed in the table for the reflectometer associated with the bridge unit port and measure the level wave quantity bx at the port used for the measurement 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 dB
102. der 1302 4060 a maximum of eight reflectometers can be supplied with the LO signal Front unit The front unit comprises a mounting plate on which the flexible switch board the key pad and the USB board are accommodated The front module controller is mounted in the controller tray in the instrument frame Keyboard The keyboard comprises a flexible switch board 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 Front module controller The front module controller accommodates all the components that are required on one board for example the processor memory chips SIMMs chips ISA bus the lithium battery IEC IEEE bus controller two serial interfaces COM1 2 a parallel interface LPT 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 13
103. disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Remove the instrument bottom cover 298 after undoing the 18 countersunk screws 299 Replacing the fan RM8 with plastic funnel Remove the reflectometer port5 port6 port7 or port8 if necessary see Replacing a Reflectometer RM8 A510 to A580 Disconnect the fan cable at the reflectometer Pull the fan from the funnel plastic Insert the new fan cable outlet to the outside and push it on the funnel plastic v v Vv ON Refit the reflectometer port5 port6 port7 or port8 if necessary see Replacing a Reflectometer RM8 A510 to A580 Replacing the fan RM8 with aluminum funnel Remove the reflectometer see Replacing a Reflectometer RM8 A510 to A580 Disconnect the fan cable at the reflectometer Undo the 4 holding screws and remove the fan Insert the new fan cable outlet to the outside Screw back the 4 screws and washers Refit the reflectometer see Replacing a Reflectometer RM8 A510 to A580 VV V V V Y Reassembling the instrument 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 bottom cover 298 and secure with 18 countersunk screws 299 v v VV Y Push the enclosure 400 back on and screw the
104. documentation fulfills ISO 17025 requirements Shipping Defective Modules Also when shipping a module be careful to provide for sufficient mechanical and antistatic protection e Ship the module in a sturdy padded box e Wrap the module in antistatic foil If the packaging is only antistatic but not conductive additional conductive packaging is required The additional packaging is not required if the tightly fitting packaging is conductive Exception If the module contains a battery the tightly fitting packaging must always consist of antistatic non chargeable material to protect the battery from being discharged 1171 0200 61 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 Takin
105. e Function Structure Group Main ID 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 SY4 12 Synthesizer2 21 Reflectometer1 0 all board 1 GEN 2 REC 22 Reflectometer 2 23 Reflectometer 3 24 Reflectometer 4 1300 0052 82 3 60 E 3 R amp S ZVT Troubleshooting Group 1 General Functions Functions Service Data Serv Lev function 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 gt Activate default values Activates or deactivates factory calibration for 1 1 0 3 X 0 gt Deactivate factory calibration 0 the active setup 1 gt Activate factory calibration Grou
106. ect path C Documents and Settings AllUsers ApplicationData Rohde amp Schwarz NWA data eeprom FR config ini gt Transform data format to decimal gt Write decimal data to TUNE 128 PRETUNE without option R amp S ZVAB B4 OCXO TUNE with option R amp S ZVAB B4 Writing to Eprom Select Service Level 2 see Service Functions SetService 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 1 and 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 Meas 1 V DC Meas 10V Connect DC voltage Connect DC voltage FAM Gai 6 pin 3 Gnd 10 V pin 6 pin 3 Gnd ANE eesti teas 8 pin 5 Gnd 10V pin 8 pin 5 Gnd Check voltages with the URE and correct if necessary R amp S ZVT settings Measure DC Inputs DC Meas 1V Measure DC Inputs DC Meas 10V Measurement Read off the voltages displayed by the R amp S ZVT V1 positive voltage V2 negative voltage Calculating the corrections V1 V2 2 V1 V2 20 gt scaling factor F gt offset V1 V2 V1 V2 10x 1 2 1 2 PRESE Pin assignment for DC MEAS connector The values that have been obtained in this way are now wri
107. eflectometer 3 7 GEN Synthesizer 9 kHz to 8GHz toReflectometer 4 8 GEN 1300 0052 82 3 11 E 3 Instrument Construction and Function Description R amp S ZVT For R amp S ZVT20 there are the following two synthesizer models Synthesizer LS LO Source o gt Reflectometer 1 GEN Synthesizer 9 kHz to 8GHz gt Reflectometer 2 GEN gt to LO divider 8 Synthesizer 15 625 MHz to 8 025 GHz Synthesizer DS o gt to Reflectometer 3 GEN Synthesizer 9 kHz to 8GHz gt Reflectometer 4 gt Reflectometer 5 GEN Synthesizer 9 kHz to 8GHz Reflectometer 6 GEN ro Sei A TETTERE AER TE 1300 0052 82 3 12 E 3 R amp S ZVT Instrument Construction and Function Description 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 The divider comprises a resistive power divider and buffer amplifiers in each of the output branches The buffer amplifiers are used to compensate for the power divider loss and to provide decoupling between the reflectometers crosstalk With LO divider 1300 2002 a maximum of four reflectometers can be supplied with the LO signal in this way In order to get a LO signal number gt 4 a second LO divider can be installed With LO divi
108. end 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 ZVT and check the values Sweep Sweep Type CW Mode CW Frequency Hz Sweep Single Restart Synthesizer 1145 xxxx or 1300 xxxx Synthesizer LS 1305 5300 20 Frequency Level 2nd harmonic 3rd harmonic ZVT setting 300 kHz 0 dBm 3 dB 28 dBc 28 dBc 100 MHz 0 dBm 3 dB 28 dBc 28 dBc 1GHz 0 dBm 3 dB 28 dBc 28 dBc 2 GHz 0 dBm 3 dB 28 dBc 28 dBc 3 GHz 0 dBm 3 dB 28 dBc 28 dBc 4 GHz 0 dBm 3 dB 28 dBc 28 dBc 6 GHz 0 dBm 3 dB 28 dBc 28 dBc 8 GHz 0 dBm 3 dB 28 dBc 28 dBc Source Frequency Source Level 2nd harmonic 3rd harmonic ZVT setting Mod 02 300 kHz 3 dBm to 5 dBm 27 dBc 30 dBc 100 MHz 3 dBm to 5 dBm 27 dBc 30 dBc 1GHz 3 dBm to 5 dBm 27 dBc 30 dBc 2 GHz 3 dBm to 5 dBm 27 dBc 30 dBc 3 GHz 3 dBm to 5 dBm 27 dBc 30 dBc 4 GHz 3 dBm to 5 dBm 27 dBc 30 dBc 6 GHz 3 dBm to 7 dBm 27 dBc 30 dBc 8 GHz 3 dBm to 7 dBm 27 dBc 30 dBc 1300 0052 82 3 67 E 3 Troubleshooting Synthesizer DS 1302 5180 xx R amp S ZVT8 R amp S ZVT20 Source 1 to 4 set port1 to 4 active Source 5 to 8 set port5 to 8 active Source 3 to 6 set por
109. es 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 3 5mm connection cables only with option R amp S ZVT B16 Remove the 4 screws in the front handles 410 right and left and take off the front handles Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom gt gt gt gt Remove the countersunk screw 315 and pull off the front cover 300 forwards gt gt Remove the countersunk screws 152 190 2 per RM Unit gt Pull out forwards the front unit together with the keyboard CAUTION The cables to the front module controller are still connected Disconnect the cables to the key pad keyboard 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 1300 0052 82 3 20 E 3 R amp S ZVT Board Replacement Removing the lithium battery gt Carefully lift up and pull out the battery Note Lithium battery 3 4
110. front handles 410 left and right and take off the front handles Remove the countersunk screw 315 and pull off the front cover 300 forwards Remove the 2 countersunk screws 610 in the top of the front frame and the 2 in the bottom Remove the countersunk screws 152 190 2 per RM Unit VV V V V V V Pull out the front unit together with the keyboard forwards CAUTION The cables to the front module controller are still connected Disconnect the cables to the key pad keyboard 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 locking 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 co
111. g Back Defective Replaced Modules Defective modules of the replacement program which cannot be repaired are taken back within three months following delivery A repurchasing value is credited Excluded are parts which cannot be repaired e g printed boards that are burnt broken or damaged by attempts to repair them incomplete modules and parts with severe mechanical damage Please return the defective replacement modules together with the accompanying document for returned merchandise which you received with the spare module We need the following information Stock number serial number and designation of the removed part Detailed error description Stock number serial number and type of instrument from which the module was removed Date of removal Name of the engineer technician who replaced the module R amp S ordering number Service reference number if available 1171 0200 61 01 R amp S ZVT Contents Performance Test Table of Contents Chapter 1 Performance Test 1 Performance Test cei 1 1 Preliminary ai 1 1 Test Equipment and Accessories ri 1 2 Performance Test iaia EEG OE ERE iaia 1 4 Checking the Frequency 14 Checking the Flarmonics s dite tede ni eia 1 5 Checking the Maximum Output Power i 1 6 Checking the Accuracy of Output 1 7 Checking
112. he 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 1300 0052 82 3 52 E 3 R amp S ZVT Troubleshooting 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 displayed and tighter voltage tolerances used e Call the selftest in the INFO menu INFO n Setup Info Start the selftest with the Selftest 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 Frequency reference Nd1 t
113. he free running VCXO no OCXO 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 with 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 1300 0052 82 3 10 E 3 R amp S ZVT 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 board Two individual synthesizers are accommodated on a synthesizer board For R amp S ZVT8 there are the following two synthesizer models Synthesizer LO o to LO divider Synthesizer 15 625 MHz to 8 025 GHz o gt Reflectometer 1 5 GEN Synthesizer 9 kHz to 8GHz gt Reflectometer 2 6 GEN gt R
114. ing 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 ZVT 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 Instrument type Recommended features Recommend R amp S Order ed model No Spectrum analyzer Frequency range 0 to 20 GHz FSEB 20 1066 3010 26 Adapter cable 1 m long 1129 8259 00 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 SMA male to SMA male SMA cable 1 m long 1142 5889 00 2 SMA male to SMA male BNC cable 1m to2m long BNC male to BNC male 8850 00 Adapter board Extension 150 mm high 48 pins 1100 3542 02 2 mm pitch Conn Cables for DC 4 pin mini DIN plug ZV Z71 1164 1005 02 Inputs 1300 0052 82 3 48 E 3 Troubleshooting R amp S ZVT Instrument type Recommended features Recommend R amp S Order Qty ed model No mj 16 Keyboard with USB connector 1 mouse Note Use
115. instrument using 2 countersunk screws 725 Note The bottom of the holder is inserted into a sheet metal wall Connect the flat cable 715 to the hard disk Replace the instrument s top cover 296 and screw back into position with 37 countersunk screws 297 Slide on the enclosure 400 and screw the 4 rear panel feet 460 and the 2 side handles 450 back into position v gt Connectthe mains cable and turn on at the mains switch The instrument is now in standby mode gt Select Service Level 2 see Service Function gt When the instrument has been started check the protocol file for errors INFO Error Log gt Perform the factory system calibration see Factory System Error Calibration 1300 0052 82 3 23 E 3 Board Replacement R amp S ZVT Replacing Flexible switch board Keyboard A16 Key Pad A15 See Chapter 5 Spare Parts List Items 860 870 and drawings 1300 000 1300 0097 The flexible switch board keyboard and key pad are located behind the 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 3 5mm connection cables only with option R amp S ZVT B16 gt Remove the 4 screws in the front handles 410 right and left and take off the front handles gt Remove the countersunk screw 390 next to the display and pull off the front cover 300 forwards gt Remove the 2 countersunk screws 61
116. interface e R amp S 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 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 R amp S ZVA 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 or 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 It 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 mm Type N female 5 258 0 000 0 076 3 5 mm male 0 000 0 076 0 000
117. ipment Item1 Test cable see Chapter Test Equipment Item7 Connect the spectrum analyzer to port1 port 2 to port 8 Note Synchronize the reference oscillators in the spectrum analyzer and in the R amp S ZVT PRESET FREQ foen 2 foen 3 foen SPAN ZERO SPAN BW MANUAL RES BW 1 kHz MARKER DETECTOR RMS AMPT REF LEVEL 10 dBm For measurement frequencies see Performance Test Report Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 to a8 Src Port 8 Sweep Sweep Type 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 Lu 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 E 3 Performance Test R amp S ZVT Checking the Maximum Output Power Instrument Power sensor or Power meter with power sensor see Chapter Test Equipment Item2 Test setup Connect power sensor to port1 port 2 to port 8 Power sensor settings For measurement frequencies see Performance Test Report fcen R amp S ZVT settings Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 to a8 Src Port 8 Sweep Sweep Type CW M
118. 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 Receiver The receiver section has two channels measurement channel and reference channel and uses single conversion Every channel contains a buffer amplifier a mixer 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 ZVT20 A reflectometer unit comprising a coupler unit a generator section Generator and a receiver section Receiver are incorporated in every port Port1 to 6 The Generator and the Receiver are screwed together 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
119. it and then tighten at both ends N B When tightening support the cable with a 7 mm spanner Reassembling the instrument gt Refit the reflectometer see Replacing a Reflectometer 8 A510 to 580 gt Fit the instrument bottom cover 298 and secure with 18 countersunk screws 299 gt Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt 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 v Perform factory system error calibration see Factory System Error Calibration 1300 0052 82 3 37 E 3 Board Replacement R amp S ZVT Replacing a Reflectometer RM20 A510 to 560 See Chapter 5 drawings 1300 000 1300 1612 The boards are located under the motherboard Opening the instrument and removing the board gt Tum off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Remove the 4 screws in the front handles 410 right and left and take off the front handles gt Remove the countersunk screw 315 and pull off the front cover 300 forwards
120. le see Chapter Test Equipment R amp S ZVT settings Preset Power 0 dBm 1 Preparation Connect the test cable to port 1 on the R amp S ZVT and perform a 1 port test setup calibration at the end of the cable Connect the end of the test cable to port 2 port 3 to port 8 on the R amp S ZVT R amp S ZVT settings Meas S11 Marker Add Channnel Trace Meas 522 S33 to S88 Power 40 dBm Trace Funct Show Data off Trace Select Trc 1 1 Measurement Read off the network analyzer s marker values for marker frequencies see Performance Test Report R amp S ZVT settings Power 40 dBm Trace Funct Show off Trace Select Trc 2 Trace Funct Show Data on Meas 522 Marker 2 Preparation Set port 2 power to 0 dBm test setup Connect the test cable to port 2 on the R amp S ZVT and perform a 1 port calibration at the end of the cable Connect the end of the test cable to port 1 on the R amp S ZVT 2 Measurement Read off the network analyzer s marker values for marker frequencies see Performance Test Report 1300 0052 82 1 12 E 3 R amp S ZVT Performance Test Checking the Dynamic Range Note case of reflectometer repair reflectometer coupler cables or reflectometer removing and reinstalling a dynamic range check with 201 points ZVT8 or 301 points ZVT20 must be performed see chapter 3
121. llator which determines the frequency accuracy of the R amp S ZVT e Recording the correction values for the generators and the receivers which determine the measurement accuracy of the R amp S ZVT s absolute values By performing the alignment and recording the correction values it is possible to ensure that the R amp S ZVT 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 R amp S ZVT 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 aae Lui Measurement Wizard gt Enter Password Print e Internal Reference External Reference Preset GPIB Address Service Function External Tools 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 1300 0052 82 2 3 E 3 Manual Alignment and Recording Correction Values R amp S ZVT Manual Alignment and Recording Correction Values In the sequel the test equipment and the inst
122. ly with option R amp S ZVT B16 gt Remove the 2 screws 190 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 gt Remove the 2 screws 180 at the end of the reflectometer and take out the reflectometer Installing the board and reassembling the instrument gt Insert 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 152 190 in the front of the instrument next to the port connector Screw in the 2 screws 151 180 in the end of the reflectometer Replace the front cover 300 and secure with the countersunk screw 315 Refit the 2 front handles 410 using 4 screws VV V V V Fitthe instrument bottom cover 298 and secure with 18 countersunk screws 299 1300 0052 82 3 34 E 3 R amp S ZVT Board Replacement gt Slide the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt Connect the mains cable and turn on at the mains switch The instrument is now in the 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 Record the generator and receiver correction data see Recording Correction Values v Perform
123. m 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 0 5 m or 0 5 dB GHz 1 m If the measured values are more than 2 dB below the levels in the table the bridge unit 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 7mm spanner gt Connect the bridge input connector W514 to a functioning port using the SMA cable and SMA N adapter Screw a SHORT from the N calibration kit to the port connector gt Set the frequencies and levels listed 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 1300 0052 82 3 72 E 3 Troubleshooting R amp S ZVT 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 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 0 5 m or 0 5 dB GHz 1 m If the measured values are more than 2 dB below the levels given in the
124. m error calibration see Factory System Error Calibration 1300 0052 82 3 44 E 3 R amp S ZVT Board Replacement Replacing LO Divider A600 A610 1300 2002 03 See Chapter 5 Spare Parts List Item 128 150 and drawing 1300 0000 The board is 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 four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Remove the instrument bottom cover 298 after undoing the 18 countersunk screws 299 Disconnect the RF cables and the 12 pin control cable from the LO divider gt Remove the 2 screws and remove the LO divider Installing the board and reassembling the instrument Insert the new board into the instrument and secure with 2 screws Reconnect the RF cables and the 12 pin control cable Fit the instrument bottom cover 298 and secure with 18 countersunk screws 299 v v Vv ON Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt Connect the mains cable and turn on at the mains switch The instrument is now in the 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 Record the receiver correction data see Recording Correction
125. m to 1 dBm 10 MHz 27 512345 MHz 5 dBm to 1 dBm 1300 0052 82 3 79 E 3 Troubleshooting 50 MHz 67 512345 MHz 5 dBm to 1 dBm 1 GHz 1 017512345 GHz 3 dBm to 5 dBm 3 GHz 3 017512345 GHz 1 dBm to 5 dBm 6 GHz 6 017512345 GHz 2 dBm to 4 dBm 8 GHz 8 017512345 GHz 2 dBm to 4 dBm R amp S ZVT 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 or 0 5 dB GHz 1 If the measured values are not within the level range in the table the board must be replaced R amp S ZVT20 It is assumed that the LO section of the LS synthesizer is OK Disconnect cable W612 W622 W632 W642 W652 or W662 depending on which LO branch is being tested v v Vv ON Connect the end of the cable to the spectrum analyzer using the adapter cable Enter service function 2 21 2 18 17512345 IF 17 512345 MHz Set the R amp S ZVT to the CW sweep mode Set the frequencies listed in the table Frequency R amp S ZVT Frequency spec Frq ZVT IF Level 300 kHz ZVT8 only 17 812345 MHz 10 dBm to 4 dBm 10 MHz 27 512345 MHz 10 dBm to 4 dBm 50 MHz 67 512345 MHz 10 dBm to 4 dBm 1 GHz 1 017512345 GHz 8 dBm to 0 dBm 3 GHz 3 017512345 GHz 6 dBm to 0 dBm 6 GHz 6 017512345 GHz 7 dBm to 1 dBm
126. n Destignation ZM CABLE SET R amp S ZVT Model 08 List of ZVT parts including spare parts Stock No 1300 1029 08 Number Electrical Destignation Recommended Spare parts 170 ZM CABLE SET R amp S ZVT20 1300 1029 20 1 Model 20 180 TERMINATION 50 OHM 0249 7823 00 2 R260 R261 260 MZ REAR PLATE 1145 1903 00 1 265 VS 6900 ISR M2 5X6 A2 1148 3059 00 5 270 2XRJ45 COUPLER JACK STRAIGHT 1093 9122 00 2 X241 X242 x 272 SILICONE CORD RD4X8MM 1130 0164 00 2 275 DG CABLE 2XRJ45 ST ST 8P 0041 9283 00 2 W241 W242 280 DY IEC BUS CABLE W21 1300 0539 00 1 W21 282 VS DIN125 A3 2 A4 0082 4670 00 2 284 VS DIN137 A3 A2 0005 0296 00 2 286 VS DIN934 M3 A4 0016 4398 00 2 288 MP COVER 25 PIN SUB D 1093 9000 00 1 289 MP CAP RD11 1 9 9 0009 9217 00 1 290 MP COVER FOR IEC IEEE BUS 0852 0450 00 1 291 MP COVER 30X20 BLACK 1093 9051 00 6 Model 08 292 MP COVER 33X68 BLACK 1300 0597 00 8 Model 08 295 MZ BOTTOM COVER R amp S ZVA 1145 1955 00 1 296 MZ TOP COVER R amp S ZVT 1300 0580 00 1 297 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 37 299 VS 965 ISR M2 5X6 A4 PA 1148 3288 00 18 300 KB FRONT COVER R amp S ZVT8 1300 0180 00 1 x Model 08 310 KB FRONT COVER R amp S ZVT20 1300 0200 00 1 x Model 20 315 VS DIN965 M1 6X3 A4 0078 3795 00 1 400 KR BW2 CASING 6E1 1T450 R amp S ZVT 1305 3459 00 1 x 405 KR HOLDING HOOK 1096 4796 00 3 x
127. n the upper range harmonic mixing is used IF 3LO RF Each of the reflectometers contains a voltage controlled fan to perform optimum cooling 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 with 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 clock frequency of 80 MHz The main functions on the board are Mixing to the baseband Filter with bandwidths from 1 Hz to 100 kHz in 1 2 5 sequence Detectors PCI interface Setting and routine control The current measured value sample the average the RMS and the Max can be recorded simultaneously a
128. nce Test Report fGEN 1 Test setup Connect an open male to port 1 port 2 to port 4 1 Measurement Trace Funct Data gt 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 ZVT 1300 0052 82 1 10 E 3 R amp S ZVT Performance Test Checking the Input Noise Level Test equipment Test setup R amp S ZVT settings Measurement 1300 0052 82 Calibration kit see Chapter Test Equipment Item4 Connect the Match Male from the calibration kit to port 1 port 2 to port 8 Preset Meas Wave Quantities b1 Src Port 1 b2 Src Port 2 to 58 Src Port 8 Power RF Off 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 the noise level indicated by the markers on the DUT Performance Test R amp S ZVT Checking the Matching raw Instrument Calibration kit see Chapter Test Equipment Item4 Test cab
129. nd Fig 3 4 apply to the R amp S ZVT8 five port to eight port versions with different LO divider boards Depending on the number of ports additional reflectometers option R amp S ZVT8 B65 to R amp S ZVT8 B68 are installed Option ZVT8 B65 includes a second source synthesizer and LO divider only with LO divider 1300 2002 and an additional network controller Option ZVT B67 includes a fourth network controller The block diagram shown in Fig 3 5 applies to the R amp S ZVT20 two port to six port versions Depending on the number of ports additional reflectometers option R amp S ZVT20 B63 to R amp S ZVT20 B66 are installed Option R amp S ZVT8 B65 includes a second source synthesizer and an additional network controller The signals including the LO signal for the receiver are generated using two or three synthesizer boards depending on the number of ports The signal processing path comprises a reflectometer board a network controller and a processor section comprising Pentium PC interface and graphics board The instrument can be expanded to handle future digital and analog requirements by retrofitting options The generator signal on R amp S ZVT8 300 kHz to 8 GHz is generated on synthesizer board 2 amplified in the generator section of the reflectometer board and then passes via the bridge to the port port1 to 8 and so to the DUT The reference signal Ref1 to 8 is split in the bridge and fed to the receiver section Receiver
130. nd passed on to the main processor via the PCI bus The connection to the PCI 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 1300 0052 82 3 9 E 3 Instrument Construction and Function Description R amp S ZVT Frequency reference The frequency reference board generates the highly stable and spectrally pure clock signals required by the R amp S ZVT 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 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 OCXO is fitted the OCXO signal is brought out at the ZVAB s rear panel 10 MHz REF so that further instruments can be synchronised T
131. nk screws 610 in the top of the front frame and the 2 in the bottom v VV WV Remove the countersunk screws 152 190 2 per RM Unit Pull out the front unit together with the keyboard forwards CAUTION The cables to the front module controller are still connected gt Disconnect the cables to the key pad keyboard 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 A90 1300 0052 82 3 31 E 3 gt VV Y ON WV Board Replacement R amp S ZVT Place the instrument on its top and remove the instrument s bottom cover 298 by undoing the 18 countersunk screws 299 Undo the RF cabling from the reflectometers to the LO divider s 128 150 and to the motherboard Release the 50 pin flat cable and disconnect from the reflectometers Remove screws 151 180 and take out the reflectometers Undo RF cabling at the LO divider s 128 Disconnect the 12 pin flat cable s from the LO divider s Remove screws 126 127 and take out the LO divider together with plate 125 Undo the screws holding the connectors on the rear panel e The 6 hexagonal nuts and washers for the BNC connectors e 2hexagonal bolts 53
132. nment Other Recording of correction values System error calibration Front module controller Check error log i BIOS update Lithium battery Check error log UL Hard disk Check error log System error calibration FW update Flexible switch board Functional test keyboard key pad USB board Test with mouse keyboard Motherboard Check error log System error calibration Alignment DC measurement inputs Reflectometer Check error log Record correction values System error calibration Input connector port 1 to 8 Check error log System error calibration Bridge or coupler unit Check error log Record correction values 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 error log Record correction values System error calibration Frequency reference Check error log Alignment Frequency accuracy 1300 0052 82 3 16 E 3 R amp S ZVT Board Replacement Replacing Front Module Controller A90 See Chapter 5 Spare Parts List Item 580 and drawings 1300 000 1300 0074 The front module controller is located behind the front unit Opening the instrument and removing the front unit Turn off the instrument and disconnect from the mains Remove 3 5mm connection cables only with option R amp S ZVT B16 Remove the 6 screws from the
133. nt handles 410 with the 4 screws gt Refit the 3 5mm connection cables only with option R amp S ZVT B16 Putting into operation gt Connect the mains cable and turn on at the power on switch The instrument is now in standby mode gt Connect an USB floppy drive to one of the USB connectors gt Prepare a BIOS disk downloading the required file from https gloris rohdeschwarz com Document link Firm Software on a floppy disk gt Insert the R amp S ZVT BIOS disk into the floppy disk drive 1300 0052 82 3 18 E 3 R amp S ZVT Board Replacement gt on 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 programmed Do not turn the instrument off when the program is running gt Follow the instructions on the screen Select Service Level 2 see Service Functions gt Check the protocol file for errors INFO Error Log 1300 0052 82 3 19 E 3 Board Replacement R amp S ZVT Replacing the Lithium Battery on the Front Module Controller See Chapter 5 Spare Parts List Item 582 and drawings 1300 000 1300 0074 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 batteri
134. ntroller 1300 0052 82 3 17 E 3 Board Replacement R amp S ZVT Installing the new front module controller and putting the instrument back together 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 O EREE O x 2 i E E 5 5 CPU 1 E g iY LAN 1 LAN 2 ER BN LT x 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 Fitthe following countersunk screws 152 190 2 per RM Unit CAUTION Avoid trapping cables and ensure cabling is tidy gt Replace the front cover 300 and secure with the countersunk screw 315 gt Secure the 2 fro
135. o Nd4 Network controller1 to 4 digital section Sy1 to Sy3 DDSCON Synthesizer1 to 3 Rm1 to Rm8 Reflectometer port1 to port8 1300 0052 82 3 53 E 3 Troubleshooting R amp S ZVT Total selftest status user mode PASSED Instrument Type R amp S ZVT8 with 4 Ports Part Number 1300 0000k10 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 ZVT8_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 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 1300 0052 82 3 54 E 3 R amp S ZVT Troubleshooting Voltages Nd2 Test description Min Max Result State 5VA_ADC 2 250V 2 750V 2 484V PASSED 2
136. ode CW Frequency fcen Power 16 dBm Sweep Single Restart For measurement frequencies see the Performance Test Report foen Measurement Read off the level indicated by the power meter Max 56 Performance Test Report 1300 0052 82 1 6 E 3 R amp S ZVT Performance Test Checking the Accuracy of Output Power Instrument Power sensor or Power meter with power sensor see Chapter Test Equipment Item2 Test setup Connect the power sensor to port 1 port 2 to port 8 Power sensor settings For measurement frequencies see Performance Test Report fcen R amp S ZVT settings Preset Mode ALC on Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 a3 Src Port 3 a8 Src Port 8 Sweep Sweep Type CW Mode CW Frequency Power 10 dBm Sweep Single Restart For measurement frequencies see Performance Test Report fcen Measurement Read off the levels indicated by the power sensor Level deviation Lsensor 10 dBm 1300 0052 82 1 7 E 3 Performance Test R amp S ZVT Checking the Output Linearity Instrument Test setup Spectrum analyzer settings R amp S ZVT settings Measurement Calculation 1300 0052 82 Spectrum analyzer see Chapter Test Equipment Item1 Test cable see Chapter Test Equipment Connect the spectrum analyzer to port 1 port 2
137. ogether again with 2 countersunk screws 890 gt Refit the 2 screws 940 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 2 3 8 E E 5 B M gt mum m Batte i FT i T LAN 1 LAN 2 E X N Connector for display and converter adapter board L O Fig 3 5 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 152 190 2 per RM Unit CAUTION Avoid trapping cables and ensure cabling is tidy gt Replace the front cover 300 and secure with the countersunk screw 315 gt Refit the 2 front handles 410 using 4 screws Refit the 3 5mm connection cables only with option R amp S ZVT B16 Connect the mains cable turn on at the mains switch and press the ON key 1300 0052 82 3 25 E 3 Board Repla
138. or For this document all rights are reserved bi OPTION ZVT8 B67 OPTION ZVT8 B65 OPTION ZVT8 B68 OPTION ZVT8 B66 ima MEE Fei En au gt ba me am i nt wam n n n DEAE MEI i ast in cn i Il OPTION ZVT8 B16 Il OPTION ZVT8 B16 Il OPTION ZVT8 16 Il OPTION ZVT8 B16 VAR MOD 17 VAR MOD 15 VAR MOD 18 VAR MOD 16 Legende legend 1300 1029 01 ext LO DIVIDER OPTION ZVT AUX2 SOR R261 AUX1 508 R260 IEC BUS ii p24 OPTION magi a IEC SYSTHEM BUS OPTION Benennung Designat ZVT NETWORK ANALYZER ZVT NETWORK ANALYZER 07 12 19 enthalten in contained in S T GRUNDEINHEIT ZVT Sheet 1 ZVT8 FRONT REARPANEL FUNDAMENTAL UNIT p 1300 0074 01 Sheet 2 ZVT8 MOTHERBOARD amp Sheet 3 ZVT8 2PORT REFLECTOMETER RM1 2 enthalten in contained in incl ZVT8 B16 FRONTEINHEIT ZVT8 E E s FRONT UNIT ZVT8 Sheet 4 ZVT8 OPTIONS 3 8 PORT 1300 0097 01 Sheet 5 ZVI8 with ext LO DIVIDER Z e Sheet 6 ZVT20 FRONT REARPANEL enthalten in contained in MODELS GERAETERAHMEN 7 8 Sheet 7 ZVT20 MOTHERBOARD RER Sheet 8 ZVT20 2PORT REFLECTOMETER 1 2 1300 0080 00 incl zVT20 B16 B21 B32 B11 7 300 0000 08 ZVT8 Sheet 9 ZVT20 OPTIONS 3 6 PORT enthal
139. otherboard A10 See Chapter 5 Spare Parts List Item 510 and drawings 1300 000 1300 0074 1300 1512 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 Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Lift off the top instrument cover 296 after undoing the 37 countersunk screws 297 gt Extract the top boards Use ejector lever for the synthesizer and network controller hold the frequency reference by the enclosure gt Remove the power supply 790 e 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 e 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 the countersunk screw 315 and pull off the front cover 300 forwards Remove the 2 countersu
140. ound 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 Gnd APPLIED Measurement at Rated value at VOLTAGE DC MEAS 1Vto 1V 8 3 5 6 1 X 141 B10 2 33 V DC MEAS 1Vto 1V 6 3 5 8 1V X 141 B11 2 33 V DC MEAS 10 V to 10V 8 3 5 6 10 V X 141 D10 2 33 V DC MEAS 10 V to 10 V 6 3 5 8 10V X 141 D11 2 33 V Pin assignment DC MEAS connector If the measured value is more than 1096 above or more than 1096 below the stated nominal value the motherboard must be replaced 1300 0052 82 3 82 E 3 R amp S ZVT Contents Software Update Installation of Options Table of Contents Chapter 4 Software Update Installation of Options 4 Software Update Installation of 111 4 1 Installing new R amp S ZVT U U U u u uuu u 4 1 Installing Options u t iaia 4 2 E 3 1300 0052 82 1 4 1 Contents Software Update Installation of Options R amp S ZVT 1300 0052 82 4 2 E 3 R amp S ZVT Installing new R amp S ZVT 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 op
141. ow 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 1300 0052 82 3 36 E 3 R amp S ZVT Board Replacement Replacing the Bridge Unit R amp S ZVT8 only See Chapter 5 Spare Parts List Item 100 and drawings 1300 0000 1300 0600 Opening the instrument and removing the reflectometer gt Turn off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Remove the instrument bottom cover 298 after undoing the 18 countersunk screws 299 gt Remove the reflectometer see Replacing a Reflectometer RM8 A510 to A580 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 7mm 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 Secure plate 230 to the new bridge unit using the 2 screws 240 gt 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 un
142. ower 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 1300 0052 82 3 22 E 3 R amp S ZVT Board Replacement Replacing Hard Disk A60 See Chapter 5 Spare Parts List 710 and drawings 1300 000 1300 0074 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 gt Turn off the instrument disconnect from the mains unscrew the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Lift off the instrument cover 296 at the top after undoing the 37 countersunk screws 297 gt Disconnect the flat cable 715 at the hard disk drive Note Do not pull or push on the flat cable instead carefully lever out the connector strip with 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
143. p 2 General Functions Functions Service function Data Serv Lev Suppress error message box 2 0 0 0 X X 0 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 10r2 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 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 1300 0052 82 3 61 E 3 Troubleshooting R amp S ZVT Motherboard Functions Service function Data Serv lev MB Fan manual 2 5 0 11 1 X X 0 to 5 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 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 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 RM 1 4 Generator Selftest 2 21 24 1 5 0 0 0 10r2 RM 1 4
144. perature Info Current Temperature Readings Component Sensor Temperature Sensor Temperature Sensor Temperature Motherboard Near NC 33 75 C Near SY 34 75 C Near PS 38 50 Netcon 1 Analog 40 25 C Digital 49 75 C Netcon 2 Analog Digital Reflectometer 1 Generator 38 50 C Reflectometer 2 Generator 36 00 C Reflectometer 3 Generator 38 25 C Reflectometer 4 Generator 39 25 C Highly elevated temperature values indicate a fan failure 1300 0052 82 3 58 E 3 R amp S ZVT Service Functions Troubleshooting 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 MENU gt m i 1300 0052 82 System Config Measurement Wizard gt Print e Internal Reference External Reference Preset GPIB Address Service Function External Tools 3 59 Service Function E Enter Password E 3 R amp S ZVT Troubleshooting Servic
145. pply di 3 28 Switching foil sa 3 24 Synthesizer 110 000000 3 44 Board Replacement Battery ax e te 3 20 OVEIVICW a za 3 16 Boot problems Troubleshooting seen 3 51 D Detector Replacement neue Mo tate 3 43 3 46 GOCUMENIS me 5 3 Docutmehls rr 5 3 F Fan dob o cete 3 30 Frequency accuracy Mannens SIA Es PT Litas 2 6 CHECK 1 4 Frequency response GOITOClIOh i NR NEN Oe nd 2 7 2 9 Front ho0d uie rte deem ma 3 26 Front module processor Function oi tite oo o cer ERR Ea 3 13 Replacement us 2 3 17 Pont Unit I 3 13 Frontend 2 9 3 34 3 38 Function description 3 1 Instrument construction 3 1 K Keyboard 1300 0052 82 Index Leis si bee dio c d d 3 13 ReplaGement ist al x EE Ds 3 24 L Level accuracy Ts als REESE 2 9 Lithium battery Replacement cedes ad e aon Ende 3 20 M Manual alignment i 2 4 Mechanical DrawingsS i 5 4 Menu Service siii 2 3 Microwave converter Replacement ie dei rr de ae 3 45 Motherboard PE 3 14 Replacement esse eee iii 3 31 ERE 3 10 Option B4
146. r mit einer Mutter Zahnscheibe mounting with only one nut lockwasher EE e cir 52 18 2 4 AN i 205610 S 70 jJ m Variantenerklaerung Versions VARO8 ZVT8 MaBstab Toleranz Werkstoff Seale Tol Material EN ROHDE amp SCHWARZ Grundeinheit ZVT FU n d amen t Un t ZVI Zeichn Nr Drawing No 02 11 2004 1300 0074 01 D GE uno 09 v i 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 750 Pos 745 Pos 755 Pos 740 Pos 750 W24 W22 W25 W20 W24 5V orange red GND 8V GND 5V Pos 755 Pos 755 W25 W25 Cable 10p Cable 10p GND 12V GND 6V black black 6V orange Benennung G Sprache Lang Aei Blatt Sh Gron rundeinheit ZVT ROHDE amp SCHWARZ Peslgnation de en 02 00 l2 Fundamental Unit es 1 5 Datum 14 01 05 Abteilung 1 HG Zeichn Nr Drawing Nr Date Dept Name p et L 2222 dr h ee VARO8 Ausf hrung 7 8 MODO8 Version ZVT8 UJ gt c n lt lt x gt lt gt 5 S S n 7 lt LL o e UO gt L gt o a E 2 x A e o L D
147. rance Page 1 11 Port Matching raw Test frequency ZVT8 only 300 kHz 1 MHz 2 MHz 5 MHz ZVT8 ZVT20 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 750 MHz 1 GHz 1 5 GHz 2 GHz 2 5 GHz 3 GHz 3 5 GHz 4 GHz 4 5 GHz 5 GHz 5 5 GHz 6 GHz 6 5 GHz 7 GHz 7 5 GHz 8 GHz ZVT20 9 0 GHz 11 0 GHz 13 0 GHz 15 0 GHz 17 0 GHz 19 0 GHz 20 0 GHz 1300 0052 82 1 31 E 3 Performance Test Report Covered on Parameter Min value Port Dynamic range ZVT8 Test frequency 300 kHz 1 MHz 2 MHz 5 MHz 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 Page 1 12 1300 0052 82 1 32 R amp S ZVT Measurement tolerance E 3 R amp S ZVT Performance Test Report Parameter Covered on Min value Actual value Max value Unit Measurement tolerance Port Page 1 12 Dynamic range ZVT20 Test frequency 10 MHz 20 MHz 50 MHz 100 MHz 200 MHz 500 MHz 700 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 15 0 GHz 16 0 GHz 19 0 GHz 20 0 GHz 1300 0052 82 1 33 E 3 Performance Test Report Covered on Min value Page 1 14 Parameter Accuracy DC meas 1 V Pos Input 1000 m V 30
148. rd Replacement Replacing Network Controller Board A110 A120 A130 A140 See Chapter 5 Spare Parts List Item 100 and drawing 1300 0000 The board is in the upper section of the instrument Opening the instrument and removing the board gt Tum off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Lift off the instrument top cover 296 after undoing the 37 countersunk screws 297 gt Extract the network controller using the ejector lever Fitting the board and reassembling the instrument Fitthe new board in the instrument Refitthe top instrument cover 296 with 37 countersunk screws 297 Slide the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 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 v wv Perform factory system error calibration see Factory System Error Calibration Align the DC inputs see Aligning the DC Inputs 1300 0052 82 3 43 E 3 Board Replacement R amp S ZVT Replacing Synthesizer Board A160 A170 A180 See
149. rument preparations required to manually align the R amp S ZVT 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 Test equipment for manually aligning the R amp S ZVT Type of equipment Recommended Recommended R amp S Order Application specifications model No Spectrum analyzer Counter mode R amp S FSU 26 1129 9003 26 Frequency accuracy of Min resolution 0 1 Hz w option the reference oscillator Max rel frequency R amp S FSU B4 deviation 10 Signal generator 300 kHz to 20 GHz R amp S SMLO1 1090 3000 11 Recording correction Power 40 dBm to 10 R amp S SMR27 1104 0002 27 values with Option R amp S SMR B15 1104 4989 02 Power meter 300 kHz to 20 GHz R amp S NRVD 0857 8008 02 Recording correction values Power sensor 300 kHz to 8 GHz R amp S NRV Z51 0857 9004 02 Recording correction values on R amp S ZVT8 Power sensor 10 MHz to 20 GHz R amp S NRV Z52 0857 9204 02 Recording correction values on R amp S ZVT20 Power splitter N 50 Ohm Weinschel Recording correction lt 0 05 50 MHz to 8 GHz 1870A values on R amp S ZVT8 Output tracking 0 15 dB Power splitter 3 5mm 50 Ohm Weinschel 1593 Recording correction Output tracking 0 25 dB values on R amp S ZVT20 PC with Pentium WinXP WinN
150. t 1 to port 6 Input noise level on R amp S ZVA20 Signal generator 300 kHz to 20 GHz Power 40 dBm to 10 dBm R amp S SMLO1 R amp S SMR27 with Option R amp S SMR B15 1090 3000 11 1104 0002 27 1104 4989 02 Power measurement uncertainty Power splitter N 50 Ohm Teq lt 0 05 50 MHz to 8 GHz Output tracking 0 15 dB Weinschel 1870A Power measurement uncertainty on R amp S ZVT8 Power splitter 3 5mm 50 Ohm Output tracking 0 25 dB Weinschel 1593 Power measurement uncertainty on R amp S ZVT20 Test cable 1300 0052 82 N male N male approx 1 5 m Frequency uncertainty Harmonics Matching port 1 to port 8 Power measurement uncertainty Input linearity on R amp S ZVT8 E 3 R amp S ZVT Test Equipment and Accessories Type of Recommended characteristics or Recommended R amp S Application equipment features Order No Test cable Test cable 3 5 mm m to 3 5 mm f R amp S ZV Z14 1134 4093 02 Frequency uncertainty Harmonics Matching port 1 to port 6 Power measurement accuray on R amp S ZVA20 BNC cable Male male approx 1 5 m General Device synchronisation DC power 12 V to 12 V R amp S NGSM 0192 0810 31 DC meas inputs supply 32 10 Multimeter MU lt 0 2 R amp S URE3 0350 5315 03 DC meas inputs DC range 1 V 10V Conn Cables R amp S ZV Z71 1164 1005 02 DC meas inputs for DC inputs Monitor Gener
151. t ES 3 3 e gt O fr O N d gt 3 J 2 Z ME Ne ER H 3 5 5 gt 3 2 lt ej ej ej EA x ej ej el o gt MS B 3 3 gt S 3 3 B E S E Ss 3 E E fey 4 gl m 5 5 H H S E E 2 gt a i Try i 4 fy lt IS n lt bJ a m g ni Z C VE RA e 0 I De Sal RM8 BR LF N e sdi 502 NG E Hu sa eol BIAS E 7 lt x503 503 Gli 7 PLO a 503 L K i x RM8 RECEIVER 2 218 K sia x503 RM8 RECEIVER 2 RM8_BR RF T T E RM8_BR RF T T 1 505 RM8 BR UNIT x504 L 505 RM8 BR UNIT X504 EN SOURCE IN A504 SE A504 RM8 GENERATOR L 5 SOURCE_IN RM8 GENERATOR E 4 8 92 s 92 4 m 1 4 D D LO l RM UNIT ZVT 8GHZ BUND AMARA ve MOD 02 dh MOD 02 m NE gt W176 from 10 MOTHERBOARD ES from 10 MOTHERBOARD gt 1 SOURCE 170 LS mM2 SOURCE A170 Zu ZN H pa c lt gt E E H 4 E lt 5 5 S Fi ZVT8 2PORT REFLEKTOMETER RM1 2 Legende legend RM n REFLECTOMETER n Cables to RM 1 2 Benennung Designat Spr Lang Aei C I Blatt Sh i igi enthalten in contained in de 04 00 3 F semi rigid cable RABELSATZ ZVASET OF CABLE ZVI ROHDE amp SCHWARZ ZVT NETWORK ANALYZER F Zeichn Nr Drawing No flex koax cable 1300 1029 08 ZVT NETWORK ANALYZER HE pe ETT
152. t cable W666 W669 W676 W679 W686 W689 W696 or W699 depending on which LO branch is being tested gt Connect the output under test X6 X7 X8 or X9 to the spectrum analyzer using the adapter cable and SMA N adapter gt Enter service function 2 21 2 18 17512345 IF 17 512345 MHz gt Set the R amp S ZVT to the CW sweep mode gt Set the frequencies listed in the table Frequency R amp S ZVT Frequency spec Level Frq ZVT IF 300 kHz 17 812345 MHz 50 MHz 67 512345 MHz 1 GHz 1 017512345 GHz 3 GHz 3 017512345 GHz 6 GHz 6 017512345 GHz 8 GHz 8 017512345 GHz For actual values please contact service center in Munich With the stated levels the cable loss must still be taken into account For the specified cable it is 0 5 dB GHz 1 m If the measured values are below the levels in the table the board must be replaced R amp S ZVT8 with LO divider 1302 4060 It is assumed that the LO synthesizer is OK gt Disconnect cable W666 W669 W676 W679 W686 W689 W696 or W699 depending on which LO branch is being tested v v Vv ON Connect the end of the cable to the spectrum analyzer using the adapter cable Enter service function 2 21 2 18 17512345 IF 17 512345 MHz Set the R amp S ZVT to the CW sweep mode Set the frequencies listed in the table Frequency ZVT Frequency spec Frq ZVT IF Level 300 kHz ZVT8 only 17 812345 MHz 5 dB
153. t 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 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 co pler unit output that is not used with an SMA termination 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 1300 0052 82 3 76 E 3 R amp S ZVT Troubleshooting 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 dB 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 8 GHz 0 dBm 10 dBm 3 dB 3 7 dBm 3 dB 12 GHz 0 dBm 10 dBm 3 dB 3 dBm 3 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 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 ta
154. t3 to 6 active Frequency Source Level 2nd harmonic 3rd harmonic ZVT setting 300 kHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 100 MHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 1 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 2 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 3 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 4 GHz 3 dBm to 5 dBm lt 27 dBc lt 30 dBc 6 GHz 3 dBm to 7 dBm lt 27 dBc lt 30 dBc 8 GHz 3 dBm to 7 dBm lt 27 dBc lt 30 dBc Isolation of source switch R amp S ZVT frequency 8 GHz Port no Port setting Source output Isolation Synthesizer2 Port1 3 inactive X165 90 dBc 5 dB 1 3 with ZVT20 Port2 4 active X166 Port1 3 active X165 2 4 with ZVT20 Port2 4 inactive X166 90 dBc 5 dB Port3 5 inactive X168 90 dBc 5 dB 3 5 with ZVT20 Port4 6 active X169 Port3 5 active X168 4 6 with ZVT20 Port4 6 inactive X169 90 dBc 5 dB R amp S ZVT8 only Port no Port setting Source output Isolation Synthesizer3 Port5 inactive X165 90 dBc 5 dB 5 Port6 active X166 Port5 active X165 6 Port6 inactive X166 90 dBc 5 dB Port7 inactive X168 90 dBc 5 dB 7 Port8 active X169 Port7 active X168 8 Port8 inactive X169 90 dBc 5 dB 1300 0052 82 3 68 R amp S ZVT E 3 R amp S ZVT Troubleshooting The cable loss must also be taken into account at the stated levels For the spe
155. table the bridge unit must be replaced 1300 0052 82 3 73 E 3 Troubleshooting R amp S ZVT Bridge Directivity The following is assumed e The generator and receiver sections of the reflectometer associated with the bridge unit are OK Screw the SHORT from an N calibration kit to the port connector gt Perform a sweep from 300 kHz to 8 GHz measure S11 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 10 dB 50 MHz to 8 GHz 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 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 terminations Connect N 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 bridge unit under test and display the Sxx magnitude on the screen Frequency range Sxx dB 300 kHz to 2 GHz 12 d
156. tain 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 4 V 5 2 V 6 5 V 8 25 V 12 25 V 6 5 V 12 25 V supply Fr 5V_A 10V_A 5V A 10V A 5V_REF 12V_STB Nd 2 5VD MDD1 5VA ADC 5VA ADC 2 5VD MDD2 1 5VD_FCON Sy 5V_A 7V_A 5V_REF 10V_A Rm 5V 10 5VA 12 10 5VB 12V 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 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 1300 0052 82 3 57 E 3 Troubleshooting R amp S ZVT Checking the Temperature Sensors Select Service Level 2 see Service Functions INFO D 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 Tem
157. ted 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 ZVT 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 1300 0052 82 3 75 E 3 Troubleshooting R amp S ZVT Frequency Output level Displayed level ax or bx 10 MHz 30 dBm 20 dBm 3 dB 100 MHz 30 dBm 5 dBm 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 8 dBm 4 dB 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 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 instrumen
158. ten in contained in ROHDE amp SCHWARZ KABELSATZ ZVT 4 CABLEASSEMBLY ZVT 1300 0000220 ZVT20 LINE IN 100 240V 50 60HZ 650 W x225 EXT TRIGGER x221 DIGITAL INTERFACE x220 USER CONTROL x219 CASCADE REAR PANEL x218 MO ITOR x201 NOISE SOURCE x210 0 MHz REF x212 DC MEAS 10V 10V x211 MEAS 215 USB 2 1V 1V PORT BIAS 1 PORT BIAS 2 ON ZVT8 4 PORT MODELS OPTION ZVT8 B64 PORT BIAS OPTION ZVT8 B65 for 5 6 PORT MODELS ON ZVT8 ON ZVT8 for 7 8 PORT MODELS OPTION ZVT8 B68 OPTION AUX LAN2 ZVT8 FRONT REARPANEL Blatt Sh 1 LANI Zeichn Nr Drawing No smolinsk 1300 0000 01 5 td 5 SVEN m 6F1X JET 8 JET SI LVUX SVEN NETCON ANALOG dV VW SPIX A142 10 3 5x10 PAL X11 SL XL NETWORK CONTROLLER 1 PIE dt NETCON DIGITAL X141 X142 X143 SVEN 6F1X dI 8 JET SI LVUX SVEN 9 VW SPIX A142 NETCON ANALOG A130 NETWORK CONTROLLER 2 PS dt X11 n XL P96 __ gt x10 NETCON
159. the factory system error calibration see Factory System Error Calibration 1300 0052 82 3 35 E 3 Board Replacement R amp S ZVT Replacing the Inner Conductor of a Port Connector R amp S ZVT8 only See Chapter 5 Spare Parts List Item 110 and drawings 1300 0000 1145 3593 Opening the instrument and removing the reflectometer gt off the instrument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off the enclosure 400 backwards gt Remove the instrument bottom cover 298 after undoing the 18 countersunk screws 299 Remove the reflectometer see Replacing a Reflectometer RM8 A510 to A580 Replacing the inner conductor Unscrew the N outer conductor with a spanner narrow SW 14mm and take out inner conductor unit N B Ensure that the centring disk 135 is also removed gt 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 gt Refit the reflectometer see Replacing a Reflectometer RM8 A510 to 580 gt Fit the instrument bottom cover 298 and secure with 18 countersunk screws 299 Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 into position gt Connect the mains cable and turn on at the mains switch The instrument is n
160. tions can be included in this folder as part of Chapter 4 Installing new R amp S ZVT Software The instrument firmware can be downloaded from the R amp S website www rohde schwarz com This is a Microsoft Installation file MSI The file name is ZVAB_XX_YY MSI for a released 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 1300 0052 82 4 1 E 3 R amp S ZVT Installing Options The following options can be fitted to the R amp S ZVT Installing Options Oven Quartz OCXO R amp S ZVAB B4 1164 1757 02 Time Domain R amp S ZVAB K2 1164 1657 02 Frequency Conversion R amp S ZVA K4 1164 1863 02 True Differential Mode R amp S ZVA K7 1164 1540 02 for the R amp S ZVT8 only Pulsed Measurements R amp S ZVA K7 1164 1511 02 5 MHz Receiver Bandwidth R amp S ZVA K17 1164 1070 02 Specific Options for R amp S ZVT8 only Direct Gen Rec Access for PORT1 to PORT 8 Additional PORT 3 Additional PORT 4 Additional PORT 5 Additional PORT 6 Additional PORT 7 Additional PORT 8 R amp S ZVT8 B16 R amp S ZVT8 B63 R amp S ZVT8 B64 R amp S ZVT8 B65 R amp S ZVT8 B66 R amp S ZVT8 B67 R amp S ZVT8 B68 1300 1706 11 18 1300 1506 03 1300 1506
161. to port 8 Note Synchronize the reference oscillators in the spectrum analyzer and in the R amp S ZVT PRESET FREQ foen SPAN ZERO SPAN BW MANUAL RES BW 1 kHz MARKER DETECTOR RMS AMPT REF LEVEL 5 dBm For measurement frequencies see Performance Test Report fGEN Preset Meas Wave Quantities a1 Src Port 1 a2 Src Port 2 to a8 Src Port 8 Sweep Sweep Type CW Mode CW Frequency Power Icen Sweep Single Restart For measurement frequencies and levels 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 ZVT setting of 10 dBm Calculating the generator level linearity Level linearity L Lg 4oagm step width in dB Step width lyen 10 dBm reference 1 8 E 3 R amp S ZVT Performance Test Checking the Power Measurement Accuracy Instrument Preparation test setup R amp S ZVT settings Measurement 1300 0052 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 Connect the signal generator to the power splitter input using the test
162. tometers and supportplates if necessary see Replacing a Reflectometer RM20 A510 to A560 Disconnect the 3 RF cables and the bias cable from the coupler Remove the 2 screws 450 Unscrew the coupler from the PC3 5 adaptor 150 and take out the coupler Fitting the new coupler unit and reassembling the instrument v v V V Insert the coupler into the instrument and screw with PC3 5 adaptor 150 Screw in the 2 screws 450 Reconnect the 3 RF cables and the bias cable Refit reflectometers and supportplates if necessary see Replacing a Reflectometer RM20 A510 to A560 Fit the instrument base cover 298 and secure with 18 countersunk screws 299 Push the enclosure 400 back on and screw the 4 rear panel feet 460 and the 2 side handles 450 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 1300 0052 82 3 40 E 3 R amp S ZVT Board Replacement Replacing the Reflectometer Fan R amp S ZVT8 only See Chapter 5 Spare Parts List and drawings 1300 0000 1300 0600 Opening the instrument and removing the reflectometer gt Tum off the instrument and
163. tten to the hard disk using the Service Functions described below and then transferred to the EEprom of network controller1 1300 0052 82 2 7 3 Manual Alignment and Recording Correction Values R amp S ZVT Example illustrating DC Meas 1 V When 1 V is applied V 1 1 023 V is displayed by the ZVT 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 1 V DcMeasMultiplier 1 017 3 1 2 5 dc meas 1 V 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 check 0 V Reading the previous DC values Select Read in the Service Function Menu SetService 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 1300 0052 82 2 8 E 3 R amp S ZVT 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
164. ument and disconnect from the mains screw off the 4 rear panel feet 460 and four screws 455 remove the two side handles 450 and pull off 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 v v ON ON 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 and the 2 side handles 450 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 1300 0052 82 3 29 E 3 Board Replacement R amp S ZVT Replacing a Fan See Chapter 5 Spare Parts List Items 50 and 60 and drawing 1300 000 The fans are located behind the right hand side panel three pieces Opening the instrument gt Turn off the instrument and disconne

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R&amp;S ZVT Service Manual

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R&S ZVT Service Manual