Performance Test
Contents
1. gt Close the instrument as described earlier 1300 7756 02 3 5 E 1 Spare Part Replacement R amp S FSH Z3 Replacing the coax cable assemblies See table Table 3 1 List of spare parts and order numbers for references gt Open the instrument as described earlier Fig 3 6 Connect the coax assy A item 04 to the N SMA connector item 09 using a torque wrench Bendthe coax assy A as shown in Fig 3 3 gt Connect coax assy B item 05 as in Fig 3 3 using a torque wrench Close the instrument as described earlier 1300 7756 02 3 6 E 1 R amp S FSH Z3 Spare Part Replacement Troubleshooting Malfunctions can have simple causes but can also be due to faulty components or modules These troubleshooting instructions can be used to locate causes of error down to spare parts level and to return the instrument to operability by replacing parts Note When problems occur first check whether any connections cables plug in connections of boards etc are damaged or incorrectly connected Overview of errors causes and possible corrective actions This section lists various errors and the suggested corrective action Troubleshooting problems e Error Directivity of R amp S FSH Z3 shows a resonance bump at frequencies higher than 2 GHz Troubleshooting procedure Possible cause of error and further steps Check the N connector of the TEST Port The N connector of the TEST Port is soiled Clean or replace this fe2. 1300 7756 02 2 1 E 1 R amp S FSH Z3 Spare Part Replacement 3 Spare Part Replacement This section describes the service concept and contains the spare parts list and the basic documents for the R amp S FSH Z3 instrument Note The numbers indicated in brackets refer to items in the mechanical exploded drawings Note The words left and right in the manual always refer to the front view of the instrument Caution Wrist strap with cord Ground connection of operational site j E Building ground E Heel strap Floor mat 1300 7756 02 Please pay close attention to the safety instructions in the front section of this manual Safeguard the replacement site against electrostatic discharge to prevent damage to electronic compo nents The following two methods of ESD protection can be used together or separately Wrist strap with cord to ground connection Conductive floor mat and heel strap combination 3 1 E 1 Spare Part Replacement R amp S FSH Z3 Overview of the spare parts Fig 39 1 Overview of spareparts Table 3 1 List of spare parts and order numbers Reference Part R amp S Order Number TG SWITCH MODULE 1300 7904 00 MOUNTING PLATE ASSY FSH Z3 1300 7910 00 and WIRE TREE FSH Z3 COAX CABLE ASSY A FSH Z3 1300 7927 00 COAX CABLE ASSY B FSH Z3 1300 7933 00 RM BRIDGE UNIT FSH Z3 1145 3593 03 Z3 COVERS 1300 7956 00 ADAPTER N TO SMA 1157 3541 00
3. 1300 7756 02 3 2 E 1 R amp S FSH Z3 Spare Part Replacement Opening the instrument Fig 3 2 Opening the instrument Loosen the four screws see Fig 3 2 Turn the instrument so that the bottom with type plate touches the table Remove the top cover Closing the instrument Place the top cover Turn the instrument so that the top cover touches the table Fasten the four screws 1300 7756 02 3 3 E 1 Spare Part Replacement R amp S FSH Z3 Replacing the Front Rear covers Housing parts 07 Rear cover 08 Front cover Notes When replacing the rear cover the existing type plate must be placed on the new rear cover or the old series number must be written on the new type plate gt Open the instrument as described earlier Replace the specific cover gt Close the instrument as described earlier Fig 3 3 Location of the power cable assembly and the coax cable assemblies in the rear cover 1300 7756 02 3 4 E 1 R amp S FSH Z3 Spare Part Replacement Replacing the wire tree See table Table 3 1 List of spare parts and order numbers for references gt Open the instrument as described earlier Remove the defective power cable assembly Loosen screw 1 see Fig 3 4 Remove the connector from TG Switch unit see Fig 3 4 Fig 3 4 Replacing the wire tree Solder the green red and yellow wires as indicated in Fig 3 5 t e TTR Fig 3 5 Solder the wires to the pins
4. amp ROHDE amp SCHWARZ Test and Measurement Division Service Manual VSWR Bridge with Tracking Generator Bypass R amp S FSH Z3 10 MHz to 6 GHz 1300 7756 02 Printed in the Federal Republic of Germany R amp S FSH Z3 Contents Contents 1 Performahce TGSE ipe ous aa RU FASES EDI SUN S CN FE K EUER SPERA RETE 1 1 Test INSIUCTIONS ices 1 1 Measuring Equipment and Accessories eeeeeeeeeeeee eene enenatis 1 1 Pertormance Test 2s 3 enc nido c dli ced EA Lad decns 1 2 Checking thie directiVity 2 cee aE ert ee e de e avt ee eet 1 2 Checking the Return Loss of the TEST Port 1 3 Checking the Insertion Loss of the Tracking Generator Bypass sssessseseees 1 5 Checking the isolation between GEN OUTPUT port and TEST port 1 6 Performance Test Report eeeeeeeeeee eese eeeeen eese enne nennt nnns nn nnn anna nnn asse nnn ss nnmnnn nnna 1 7 2 AdJUSImOeL us aid eteadetides d a bbb bna lla punit la AE UNE C UUFEVRE C UKKEUKE CUEE EUER 2 1 3 Spare Part HeplacenmighLbs noui iens eoe Deco DeRokis gu GpVc CO Depiabeo deoa eo Dem bu idu RuadU dea 3 1 Overview of the spare parts sssssssssssssseseeee eene nnne nne sn tenen nns nrnn enne 3 2 Opening the instrument ssssssssssssssseseseeeeee eene tnn entente nsn nnns entente nsns ss nnns entere 3 3 Closing the Instrum erts cn cote e ett cei efie t
5. from slipping inside the package Wrap antistatic packing foil around the instrument to protect it from elec trostatic charging Shipping of a module When shipping a module be sure to provide sufficient mechanical and antistatic protection Shipthe module in a sturdy padded box gt Wrap the board in antistatic foil If the packaging is antistatic but not conductive additional conductive packaging is required The ad ditional packaging is not required if the enclosed packaging is conductive 1145 5767 02 4 1 E 1 Shipping of Instruments and Ordering of Spare Parts R amp S FSH Z3 Ordering spare parts To deliver replacement parts promptly and correctly we need the following information e R amp S order number refer to the spare part lists in this chapter Designation e Number of units e Instrument type for the replacement part e Contact person for possible questions The R amp S order number to be used when ordering replacement parts and modules as well as power cables can be found further below Refurbished modules Refurbished modules are an economical alternative to original modules It should be kept in mind that refurbished modules are not new but repaired and fully tested parts They may have signs of use but they are electrically and mechanically equivalent to new modules To find out which refurbished modules are available please contact your Rohde amp Schwarz represen tative or the central service divi
6. N AMPT REF 35 dB MEAS TRANSM CAL CONTINUE Measurement gt Remove cable item 9 gt Connect 50 Ohm termination item 5 to the GEN OUTPUT port of the Spectrum Analyzer item 1 Press softkey CONTINUE on the Spectrum Analyzer Remove 50 Ohm termination and Mount the FSH Z3 on to the Spectrum Analyzer item 1 gt The curve shows the isolation between GEN OUTPUT port and TEST port 1300 7756 02 1 6 E 2 R amp S FSH Z3 Performance Test Report Table 1 1 Performance Test Report Test Instructions ROHDE amp SCHWARZ Model Order number Serial number Date VSWR Bridge with Tracking Generator Bypass FSH Z3 1300 7756 02 Version 6 Apr 05 isti A M remen Tu CE TUIE C aa 7 Directivity 0 01 0 03 10 see page 1 2 dB 0 5 0 5 0 03 3 20 see page 1 2 dB 0 5 0 5 3 6 18 see page 1 2 dB 0 5 0 5 Test Port Match 0 01 0 05 12 see page 1 4 dB 1 6 2 1 0 05 6 16 see page 1 4 dB 1 6 2 1 isti M remen MM ee eae ee ae eae Insertion Loss 0 01 6 5 see page 1 5 dB 0 5 0 5 Min Value Isolation 0 01 3 80 see page 1 6 dB 0 5 0 5 3 6 60 see page 1 6 dB 1 0 1 0 Between Generator Input and Output Port Between Generator Output Port and Test Port 1300 7756 02 1 7 E 2 R amp S FSH Z3 Adjustment 2 Adjustment The R amp S FSH Z3 does not have any possibilities for adjustment
7. edet 3 3 Replacing the Front Rear covers errre eain a ea ir e aE aSr A a KEEN RAA AA RANEE KAAN AS AE 3 4 Replacing the wire tree eeeeseesseeeeeseseeeeeeeseeenee ente n nnns nnn sn nn nr nn nn trtr essent enne nnn 3 5 Replacing the coax cable assemblies seen enne 3 6 Troubleshooting EEE IAE AEEA TE ae AEEA ad nl ufi nl seus 3 7 Overview of errors causes and possible corrective actions sssssseeeeee 3 7 Troubleshooting problems sssssssssssssssssssssese eene n entere nnns 3 7 4 Doc mentSt er em 4 1 Shipping of Instrument and Ordering of Spare Parts esee 4 1 Shipping of instrument aoreet genet aerae de Pep e eere tulad devenseeeeeeens 4 1 Shipping of Mod le ii orien oie dee epu Pe eee bed etna ee eee 4 1 Ordering spare parts ih i one Pd etit ce fied t edd 4 2 Refurbished modules ice erae e aeree hs 4 2 Return of defective replaced modules seen enne 4 2 Spare Parts EC 4 3 1300 7756 02 I1 E 2 R amp S FSH Z3 Test Instructions 1 Performance Test Test Instructions e Values specified in the following sections are not guaranteed Only the technical specifications provided on the data sheet are binding e The values specified in the data sheet are the guaranteed limits All non used ports are supposed to be terminated with a 50 Ohm load e I
8. est Performance Test R amp S FSH Z3 Checking the directivity Test equipment Test setup Spectrum Analyzer settings Measurement 1300 7756 02 Spectrum Analyzer refer to section Measurement Equipment and Accessories item 1 Open Circuit termination refer to section Measurement Equipment and Accessories item 3 Short Circuit termination refer to section Measurement Equipment and Accessories item 4 50 Ohm termination refer to section Measurement Equipment and Accessories item 5 Connect the 7 pins connector of the FSH Z3 to the Power Sensor connector of the FSH 6 and mount the FSH Z3 on to the spectrum analyzer item 1 PRESET FREQ START FREQ 10 MHz STOP FREQ 3 GHz BW MANUAL RES BW 100 kHz MEAS MEASURE TRACKING GEN MEAS MODE SCALAR REFLECT CAL gt Connect the Open Circuit termination item 3 to the TEST port of the FSH Z3 Press softkey CONTINUE on the Spectrum Analyzer Replace the Open Circuit termination item 3 on the TEST port of the FSH Z3 with the Short Circuit termination item 4 Press softkey CONTINUE on the Spectrum Analyzer Replace the Short Circuit termination item 3 on the TEST port of the FSH Z3 with the 50 Ohm termination item 5 The curve shows the directivity limited by return loss of the used 50 Ohm termination item 4 1 2 E 2 R amp S FSH Z3 Test Instructions Checking the Ret
9. llowing table lists available spare parts together with their R amp S order numbers Table 4 1 List of spare parts and order numbers Reference Part R amp S Order Number TG SWITCH MODULE 1300 7904 00 MOUNTING PLATE ASSY FSH Z3 1300 7910 00 and WIRE TREE FSH Z3 COAX CABLE ASSY A FSH Z3 1300 7927 00 COAX CABLE ASSY B FSH Z3 1300 7933 00 RM BRIDGE UNIT FSH Z3 1145 3593 03 Z3 COVERS 1300 7956 00 ADAPTER N TO SMA 1157 3541 00 Note The references can be found in the drawing in Chapter 3 1300 7756 02 4 3 E 1
10. male N connector e Error Troubleshooting procedure Possible cause of error and further steps Check Cause of error U Repair Action Next Check Repair Action 1300 7756 02 3 7 E 1 R amp S FSH Z3 Shipping of Instruments and Ordering of Spare Parts 4 Documents This chapter provides information on how to order spare parts and it also contains the spare parts list Shipping of Instrument and Ordering of Spare Parts Please contact your Rohde amp Schwarz support center or our spare parts express service if you need to request service repair your equipment or order spare parts and modules The list of Rohde amp Schwarz representatives and the address of our spare parts express service are provided in the front section of this service manual You will need to provide the following information in order for us to respond to your inquiries quickly and accurately and to determine whether the warranty for your instrument is still valid e Instrument model e Serial number e Detailed error description in case of repair e Contact partner for checkbacks Shipping of instrument When shipping the instrument be sure to provide sufficient mechanical and anti static protection gt Repack the instrument as it was originally packed The antistatic packing foil prevents unintentional electrostatic charging from occurring gt f you do not use the original packaging include sufficient padding to prevent the instrument
11. nected to set the switch in the right position Spectrum Analyzer settings PRESET FREQ START FREQ 10 MHz STOP FREQ 6 GHz MEAS MEASURE TRACKING GEN AMPT REF 20 dBm MEAS MEAS MODE SCALAR TRANSM CAL CONTINUE Measurement Remove cable item 9 gt Connect the GEN OUTPUT port of the FSH Z3 to the GEN OUTPUT port of the Spectrum Analyzer item 1 gt Connect the other GEN OUTPUT port of the FSH Z3 to the RF INPUT port of the Spectrum Analyzer item 1 using cable item 9 gt The curve shows the insertion loss of the Tracking Generator Bypass 1300 7756 02 1 5 E 2 Performance Test R amp S FSH Z3 Checking the isolation between GEN OUTPUT port and TEST port Test equipment Spectrum Analyzer refer to section Measurement Equipment and Accessories item 1 50 Ohm termination refer to section Measurement Equipment and Accessories item 5 Cable refer to section Measurement Equipment and Accessories item 9 Tes Setp gt Connect GEN OUTPUT to RF INPUT of the spect Analyzer item1 using cable item 9 gt Connect the 7 pins connector of the FSH Z3 to the Power Sensor connector of the FSH 6 Only this connector of the FSH Z3 is connected to set the switch in the right position Spectrum Analyzer settings PRESET FREQ START FREQ 10 MHz STOP FREQ 6 GHz BW MANUAL RES BW 100 kHz MEAS MEASURE TRACKING GE
12. nputs for settings during measurements are shown as following lt KEY gt Press a key on the front panel e g SPAN lt SOFTKEY gt Press a softkey e g MARKER gt PEAK lt nn unit gt Enter a value and terminate by entering the unit e g 12 kHz Successive entries are separated by e g BW MANUAL RES BW 3 kHz Measuring Equipment and Accessories Type of Specifications recommended Equipment R amp S order equipment recommended no Spectrum Frequency 10 MHz to 6 GHz FSH 6 1145 5850 26 Directivity ReturnLoss Analyzer with TG InsertionLoss Isolation output 2 SWR Bridge Directivity gt 40 dB RL testport gt Agilent ReturnLoss 20 dB 86205A Open Circuit 10 MHz to 6 GHz FSH Z28 1300 7804 02 Directivity Termination N type male Combined ReturnLoss Calibration Standard Short Circuit 10 MHz to 6 GHz Part of item 3 Directivity Termination N type male FSH Z28 ReturnLoss 50 Q termination 10 MHz to 6 GHz Part of item 3 Directivity N male Return loss lt 35 dB FSH Z28 ReturnLoss Isolation Precision N male to N male Huber amp Suhner ReturnLoss Adapter 32 N 50 0 51 50 Q termination 10 MHz to 6 GHz Pasternack ReturnLoss N female 2x PE6032 Adapter N male to N male Huber amp Suhner ReturnLoss 32 N 50 0 1 Cable Flexible cable RG213 U with N Pasternack ReturnLoss male connector on both sides PE3496 12 InsertionLoss L approx 30 cm Isolation 1300 7756 02 1 1 E 2 Performance T
13. pectrum Analyzer settings PRESET FREQ START FREQ 10 MHz STOP FREQ 6 GHz MEAS MEASURE TRACKING GEN REFLECT CAL CONTINUE 1300 7756 02 1 3 E 2 Performance Test Measurement 1300 7756 02 R amp S FSH Z3 Replace the Open Circuit termination item 3 on the TEST port of the SWR Bridge item 2 with the Short Circuit termination item 4 Press softkey CONTINUE on the Spectrum Analyzer Replace the Short Circuit termination item 3 on the TEST port of the SWR Bridge item 2 with the 50 Ohm termination item 5 Press softkey CONTINUE on the Spectrum Analyzer Remove the 50 Ohm termination item 5 gt Connect the two 50 Ohm terminations item 7 to the ports GEN OUTPUT and RF INPUT of the FSH Z3 Connect TEST port of the FSH Z3 with the TEST port of the SWR Bridge item 2 using an precision adapter item 6 The curve shows the return loss of the FSH Z3 1 4 E 2 R amp S FSH Z3 Test Instructions Checking the Insertion Loss of the Tracking Generator Bypass Test equipment Spectrum Analyzer refer to section Measurement Equipment and Accessories item 1 Cable refer to section Measurement Equipment and Accessories item 9 T Reden gt Connect GEN OUTPUT to RF INPUT of the spect Analyzer item1 using cable item 9 gt Connect the 7 pins connector of the FSH Z3 to the Power Sensor connector of the FSH 6 Only this connector of the FSH Z3 is con
14. sion at Rohde amp Schwarz in Munich Return of defective replaced modules Defective modules of the replacement program that can be repaired may be returned within 3 months after delivery of the replaced module A repurchasing value is credited Excluded are parts that cannot be repaired e g PCBs that are burned broken or damaged by repair attempts incomplete modules or parts that have endured heavy mechanical damage gt Defective parts must be sent back with an accompanying document of returned items containing the following information e R amp S order number serial number and designation of the removed part Precise description of the error e R amp S order number serial number and designation of the instrument the part was removed from e Date of part removal e Name of the technician who exchanged the part gt A document of returned items is provided along with each replacement module 1145 5767 02 4 2 E 1 R amp S FSH Z3 Spare Parts Spare Parts The R amp S order numbers necessary for ordering replacement parts and modules can be found in the spare part lists provided below Important Note A When replacing a module please pay careful attention to the safety instructions and the repair instructions provided in chapter 3 and at the beginning of this ser vice manual When shipping a module be sure to provide sufficient mechanical and antistatic protection List of R amp S FSH Z3 spare parts The fo
15. urn Loss of the TEST Port Test principle Measure the return loss of the TEST port of the FSH Z3 using a Standing Wave Ratio Bridge Test equipment Spectrum Analyzer refer to section Measurement Equipment and Accessories item 1 SWR bridge refer to section Measurement Equipment and Accessories item 2 Open circuit termination refer to section Measurement Equipment and Accessories item 3 Short circuit termination refer to section Measurement Equipment and Accessories item 4 50 Ohm termination refer to section Measurement Equipment and Accessories item 5 Precision Adapter refer to section Measurement Equipment and Accessories item 6 Two 50 Ohm terminations N female refer to section Measurement Equipment and Accessories item 7 Adapter refer to section Measurement Equipment and Accessories item 8 Cable refer to section Measurement Equipment and Accessories item 9 T SSESetup gt Connect GEN OUTPUT of the Spectrum Analyzer item1 to RF input of SWR Bridge item 2 using adapter item 8 gt Connect output of the SWR Bridge item 2 to the RF input of the Spectrum Analyzer using cable item 9 gt Connect the Open Circuit termination item 3 onto the TEST port of the SWR Bridge item 2 gt Connect the 7 pins connector of the FSH Z3 to the Power Sensor connector of the FSH 6 Only this connector of the FSH Z3 is connected to set the switch in the right position S
Download Pdf Manuals
Related Search