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Chapter 5 — Component Replacement

5-9 Low Band Switch

MN469xC Series Multiport Test Set MM

PN: 10410-00730  Rev. D

5-9

5-9

Low Band Switch

Assemblies: ND70079<R> or 3-ND70079<R> – A4, A5, A6, A7
This section provides procedures for removing and replacing each Low Band Switch in the test set. There are 
four Low Band Switches, A4, A5, A6 and A7. In 

Figure 5-2 on page 5-3

 above, refer to the A4, A5, A6, and A7 

engineering references. The replacement procedures for each module vary slightly.

A4 Replacement 

1. 

Remove the top cover from the test set. 

•

Refer to 

Section 5-3

.

2. 

Replace the A4 module as illustrated in 

Figure 5-8

.  

Note

Use Anritsu 01-201 Torque Wrench to tighten all RF connectors when installing the module.

1. Disconnect the RF cable from the J1 connector of the 

A4 module and the Rear Panel.

Note:

 The GPIB–Parallel Interface Board may 

have to be removed in order to remove the A4 RF 
cable. See 

Section 5-5

 for GPIB board removal.

2. Remove the two Phillips mounting screws from the 

module. 

3. Disconnect the two connectors from J2 and J3 

connectors, then disconnect the control cable from 
the module side and remove the module.

4. Installation is the reverse of removal.

Figure 5-8.

A4 Low Band Switch Replacement

1

2

3

a

a

b

b

c

c

A4

J1

J2

J3

See Note

Содержание VectorStar MN469 C Series

Страница 1: ...nectors for the MS4642A B or MS4644A B VNA VectorStar MN4697C V Connectors for the MS4645A B or MS4647A B VNA Part Number 10410 00730 Revision D Published August 2021 Copyright August 2021 Anritsu Com...

Страница 2: ......

Страница 3: ...xC Multiport Test Set Functional Description 1 5 Low Band Operation 70 kHz to 2 5 GHz 1 6 High Band Operation 2 5 GHz and beyond 1 6 1 7 Electrostatic Discharge ESD Prevention 1 7 1 8 Recommended Test...

Страница 4: ...ooting RF Switch Functional Check 4 4 Equipment Required for VNA System with MN4694C 4 4 Equipment Required for VNA System with MN4697C 4 4 Procedure 4 4 4 6 Troubleshooting Directivity and Test Port...

Страница 5: ...3 5 16 Fan Assembly Replacement 5 24 Appendix A Test Records A 1 Introduction A 1 A 2 MN4694C Multiport VNA System Test Record A 2 Instrument Information for MN4694C A 2 S Parameters Measurements Veri...

Страница 6: ...Contents 4 PN 10410 00730 Rev D MN469xC Series Multiport Test Set MM Table of Contents Continued...

Страница 7: ...ly to refer to the MN469xC Series Multiport Test Set the term VNA is used interchangeably to refer to MS464xA or MS464xB VectorStar Vector Network Analyzer and the term Multiport VNA System is used in...

Страница 8: ...ms ME7838A Modular BB mmWave Technical Data Sheet TDS 11410 00593 ME7838AX A4X Modular BB mmWave Technical Data Sheet TDS 11410 02825 ME7838D Modular BB mmWave Technical Data Sheet TDS 1 1410 00778 ME...

Страница 9: ...DS 11410 00843 MN4765B O E Calibration Module Operation Manual OM 10410 00742 36585K and 36585V Precision Auto Calibrator AutoCal Module Reference Manual 10410 00279 365xx x Mechanical Calibration Kit...

Страница 10: ...rpose Interface Bus GPIB The MN469xC Series Test Sets only contribute loss to the source and test paths and uncorrected raw port directivity and match Therefore system performance is specified when co...

Страница 11: ...each one of the SPDT RF switches in the test set Module Description Module Description A4 Low Band Switch A13 High Band SPDT Switch A5 Low Band Switch A14 Port Coupler A6 Low Band Switch A15 Port Cou...

Страница 12: ...A20 Low Band Bridge to the A5 Low Band Switch The reflected or transmitted signal measured at Port 4 passes directly through the A15 Port 4 Coupler and A10 Diplexer Bias Tee Assembly and then is coupl...

Страница 13: ...bassemblies from electrostatic discharge An ESD safe work area and proper ESD handling procedures that conform to ANSI ESD S20 20 1999 or ANSI ESD S20 20 2007 is mandatory to avoid ESD damage when han...

Страница 14: ...s 20 dB Connector Type K female Anritsu Model SC4808 or SC7888 MN4694C Calibration Kit Connector Type V Anritsu Model 3654D MN4697C Extension Cable Frequency DC to 70 GHz Connector Type V male to V fe...

Страница 15: ...Wrench 1 2 12 7 mm Torque End Wrench set to 36 lbf in 4 063 N m Mountz MTBN10 or equivalent with 1 2 socket All Models Torque Wrench 13 16 20 6 mm Torque Socket Wrench set to 15 lbf ft 20 34 N m Craf...

Страница 16: ...1 8 Recommended Test Equipment Chapter 1 General Information 1 10 PN 10410 00730 Rev D MN469xC Series Multiport Test Set MM...

Страница 17: ...sts the replaceable parts found in the MN469xC Series Test Set See Figure 2 1 for locations Note Instruments shipped to European Union countries after 22nd July 2017 are compliant with the requirement...

Страница 18: ...R Diplexer Assembly K Connector 40 GHz A8 A10 MN4694C non RoHS compliant 3 74277 R Diplexer Assembly K Connector 40 GHz A8 A10 MN4694C RoHS compliant 66245 R Port Coupler V Connector 70 GHz A14 A15 MN...

Страница 19: ...3 3 62112 81 RF Cable SMA Connector VNA Src to Test Set Src Rear Panel All Models RoHS compliant ND71327 Fan Assembly Rear Panel All Models non RoHS compliant 3 ND83592 Fan Assembly Rear Panel All Mo...

Страница 20: ...Band SPDT Switch 3 Control PCB Assembly A13 High Band SPDT Switch 4 GPIB Parallel Interface Board A14 Port Coupler 5 Test Port Connectors A15 Port Coupler A4 Low Band Switch A18 High Band SPDT Switch...

Страница 21: ...full residual analysis which can usually be done less often While there are many ways of verifying VNA performance sometimes simpler procedures are desired The use of a verification kit available fro...

Страница 22: ...for VNAs is best represented by a coaxial airline which was precisely selected and machined based on the electromagnetic properties such as conductivity and skin depth etc Therefore the dimensional me...

Страница 23: ...ector on the cable 3 4 Calibration and Measurement Conditions Extremes in the surrounding environmental conditions and the condition and stability of the test port connectors through cable and calibra...

Страница 24: ...lity Verification Result Determination The software verification process compares the measured S parameter data of the impedance transfer standards against the original standard characterization data...

Страница 25: ...ult the reference manual supplied with Anritsu Calibration Kits and Verification Kits for proper use care and maintenance of the devices contained in these kits Equipment Required Personal Computer wi...

Страница 26: ...kit to Port 3 of the MN469xC This converts Port 3 from a male test port to a female test port 7 Install the Test Port Cable to Port 2 of the MS464xx VNA and then the male to female phase equal insert...

Страница 27: ...port Test Set Installation Guide 10410 00737 Power on the MN469xC Test Set first 16 Install four Phase Equal Adapters on the two MN469xC test ports and on the two VNA test ports 17 Power on the MN469x...

Страница 28: ...z 5 dBm 5 dBm 10 MHz 998 MHz 51 10 Hz 5 dBm 5 dBm 1000 MHz 2499 MHz 51 1 kHz 5 dBm 5 dBm 2500 MHz 5000 MHz 51 1 kHz 5 dBm 5 dBm 5001 MHz 20000 MHz 401 1 kHz 5 dBm 5 dBm 20001 MHz 38000 MHz 601 1 kHz 5...

Страница 29: ...e front panel USB ports 32 Select Calibration Cal Kit AutoCal Characterization Install Kit Charac 33 Select Cal Kit file type and then click the Browse button See Figure 3 1 below 34 Select the file w...

Страница 30: ...ion 3 10 PN 10410 00730 Rev D MN469xC Series Multiport Test Set MM 37 Change all DUT Connector settings to K Conn F for MN4694C or V Conn F for MN4697C in the One Port Cal Setup dialog box Click the O...

Страница 31: ...ification 3 6 Directivity and Test Port Match Verification MN469xC Series Multiport Test Set MM PN 10410 00730 Rev D 3 11 38 Select Back to return to the One Port Cal s Menu See Figure 3 4 below Figur...

Страница 32: ...nd connect the Short 43 Select Short 44 Disconnect the Short from Port 1 and connect the termination 45 Select Load 46 Select Back to return to previous menu Figure 3 5 Refl Device s Menu Note Use the...

Страница 33: ...9xC 65 Select Open 66 Disconnect the Open from Port 4 and connect the Short 67 Select Short 68 Disconnect the Short from Port 4 and connect the termination 69 Select Load 70 Select Back to return to p...

Страница 34: ...is the average value of the two peaks or troughs Refer to the example formula below Average Value Mkr 1 Mkr 2 2 15 9634 dB 15 641 dB 2 15 8022 dB 80 Calculate the peak to peak ripple value absolute d...

Страница 35: ...Port Match Verification MN469xC Series Multiport Test Set MM PN 10410 00730 Rev D 3 15 82 Also find the corresponding Ref X or Ref X value from the RF measurement chart 83 Use the following formula t...

Страница 36: ...connect the Offset Termination from the Air Line and connect a short 87 Select Scale Auto Scale Active Trace 88 Repeat Step 77 to Step 81 Record the Return Loss value into the appropriate table and th...

Страница 37: ...at least 15 minutes 2 Connect the N male to V female adapter to the power meter calibrator port 3 Connect the sensor to the power meter calibrator port Zero and calibrate the power sensor 4 Disconnec...

Страница 38: ...ar MS4640A B Instrument Test Software CDROM part number 2300 531 R The software guides you through the calibration process and the measurement of the noise floor The software then computes the test re...

Страница 39: ...the VectorStar VNA or the MN469xC Test Set Suggested Troubleshooting Steps The suggested troubleshooting steps for MN469xC Test Set are as follows Identify whether the fault is unique to the MN469xC T...

Страница 40: ...igital multi meter or oscilloscope measure the expected DC power supply voltages on the 4 Port Test Set Control PCB at the P4 connector pins or test points listed in Table 4 1 below See Figure 4 1 4 P...

Страница 41: ...Chapter 4 Troubleshooting 4 4 Troubleshooting Test Set Fails to Power Up MN469xC Series Multiport Test Set MM PN 10410 00730 Rev D 4 3 Figure 4 1 4 Port Test Set Control PCB P4 Connector Location...

Страница 42: ...it to Port 2 of the VNA 7 Observe if there is any abnormality in the S22 trace e g power roll off in the low frequency band power drop off in the entire low band or high band and etc 8 If no abnormal...

Страница 43: ...an One Port Cal on Port 1 of the VectorStar Multiport VNA System 2 Verify if the system passes the directivity test 3 If the system passes the cause of the failure is caused by a defective terminatio...

Страница 44: ...4 6 Troubleshooting Directivity and Test Port Match Failure Chapter 4 Troubleshooting 4 6 PN 10410 00730 Rev D MN469xC Series Multiport Test Set MM...

Страница 45: ...edures require the use of the following tools Small jewelers Phillips screwdriver Right angle offset 1 size Phillips screwdriver Right angle offset 5 16 inch open end wrench for loosening RF connector...

Страница 46: ...reinstall them in their original location Removal Steps Top Bottom or Side Covers 1 Remove foot end screws Upper for top cover removal Lower for bottom cover removal 2 Remove foot side screws then le...

Страница 47: ...entification of Engineering A Numbers Item Description Item Description 1 Power Supply A12 04 70GHz SPDT SWITCH 2 Control Board A13 04 70GHz SPDT SWITCH 3 GPIB Parallel Interface Board A14 70GHz TEST...

Страница 48: ...e the top cover from the test set Refer to Section 5 3 Removing the Covers on page 5 2 2 Remove the board as illustrated Figure 5 3 1 Disconnect the two cables from the connectors as shown in the illu...

Страница 49: ...rated in Figure 5 4 Note The Rear Panel GPIB Connector PCB Assembly is a part of the GPIB Parallel Interface PCB Assembly Replacement Kit part number 2000 989 Note Ensure that the two jumper wires are...

Страница 50: ...D MN469xC Series Multiport Test Set MM 1 Jumper 1 goes from pin 12 of the GPIB connector to pin 13 of the GPIB connector 2 Jumper 2 goes from pin 12 of the GPIB connector to pin 1 of the Dip Switch c...

Страница 51: ...bles from J13 and J15 2 Disconnect the GPIB PCB power cable from J35 3 Disconnect the Power Supply Load cable from P6 4 Disconnect the Power Supply cables from P1 and P3 5 Disconnect the Front Panel P...

Страница 52: ...as illustrated in Figure 5 7 1 At the rear of the power supply disconnect the 3 Pin Connector which connects to the rear panel AC input module 2 Disconnect the ground wire from the power supply 3 At t...

Страница 53: ...e test set Refer to Section 5 3 2 Replace the A4 module as illustrated in Figure 5 8 Note Use Anritsu 01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Disconnect the RF c...

Страница 54: ...1 201 Torque Wrench to tighten all RF connectors when installing the module 1 Disconnect the RF cable from the J1 connector of the A5 module and carefully lift it out of the way 2 Remove the two phill...

Страница 55: ...Anritsu 01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Disconnect the RF cable from the J1 connector of the A6 module and the Rear Panel 2 Remove the two phillips mount...

Страница 56: ...g the module 1 Disconnect the RF cable from the J1 connector of the A7 module and the Rear Panel Note The GPIB Parallel Interface Board may have to be removed in order to remove the A7 RF cable See Se...

Страница 57: ...ed in Section 5 3 2 Replace the A20 or A21 module as illustrated in Figure 5 12 Note Use Anritsu 01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Remove the A4 low band s...

Страница 58: ...e the top cover from the test set as instructed in Section 5 3 2 Replace the Switch Control PCB as illustrated in Figure 5 13 Caution Do not force the Control PCB onto the Switch Assembly The Control...

Страница 59: ...1 201 Torque Wrench to tighten all RF connectors when installing the module 1 Disconnect the RF cables connected at J2 and J3 of the A18 assembly to provide clearance and then perform the following Di...

Страница 60: ...01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Remove the Switch Control Board and the 3 standoffs from the A12 switch per the procedure in Section 5 11 then disconnec...

Страница 61: ...tighten all RF connectors when installing the module 1 Remove Switch Control Board and the 3 standoffs from the switch per the procedure in Section 5 11 then disconnect the cables from J2 and J3 of t...

Страница 62: ...itsu 01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Remove the Switch Control Board and the 3 standoffs from the A19 switch per the procedure in Section 5 11 then disco...

Страница 63: ...3 2 Replace the Diplexer Assembly as illustrated in Figure 5 19 Note The DC bias leads must be desoldered from the module prior to removal Use Anritsu 01 201 Torque Wrench to tighten all RF connector...

Страница 64: ...Use Anritsu 01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Disconnect and remove the RF cable that connects between J3 of the A10 Diplexer and J2 of A12 Switch 2 Remov...

Страница 65: ...nstructions for removing and replacing the Test Port Connectors 1 Loosen and remove the Test Port Connector using a 1 2 torque wrench 2 Carefully screw the new Test Port Connector onto the threaded co...

Страница 66: ...Figure 5 21 Note De soldering of the DC Bias wires from the A8 Diplexer Assembly is not required Use Anritsu 01 201 Torque Wrench to tighten all RF connectors when installing the module 1 Remove the T...

Страница 67: ...when installing the module 1 Remove the Test Port Connector the Port Connector Nut and the Thrust Washer from the front panel 2 Disconnect the RF cable from the A15 coupled port Use a right angle Phil...

Страница 68: ...ure 5 23 Note When installing the fan make sure the arrow mark on the fan is pointing away from the rear panel to ensure proper airflow direction 1 Disconnect the fan power cable from the J34 connecto...

Страница 69: ...st Record on page A 2 Table A 1 Directivity Record for MN4694C Multiport VNA System on page A 2 Table A 2 Test Port Match Record for MN4694C Multiport VNA System on page A 3 MN4697C Multiport VNA Syst...

Страница 70: ...VNA Model MS4642A MS4644A MS4642B MS4644B VectorStar VNA Serial Number VectorStar VNA Options Note System Performance can be verified either by using Verification Kit to perform S Parameters Measurem...

Страница 71: ...Floor for MN4694C This test is automated using the MS464XX Instrument Test software CD ROM part number 2300 531 R Test Data Report generated by the MS464XX Instrument Test software is attached Table...

Страница 72: ...del MS4645A MS4647A MS4645B MS4647B VectorStar VNA Serial Number VectorStar VNA Options Note System Performance can be verified either by using Verification Kit to perform S Parameters Measurements Ve...

Страница 73: ...is test is automated using the MS464XX Instrument Test software CD ROM part number 2300 531 R Test Data Report generated by the MS464XX Instrument Test software is attached Table A 4 Test Port Match R...

Страница 74: ...A 3 MN4697C Multiport VNA System Test Record Appendix A Test Records A 6 PN 10410 00730 Rev D MN469xC Series Multiport Test Set MM...

Страница 75: ...torStar technical data sheets VectorStar MS4640A Series VNA Technical Data Sheet 11410 00435 VectorStar MS4640B Series VNA Technical Data Sheet 11410 00611 VectorStar MN469xC Series Multiport Test Set...

Страница 76: ...B 1 Technical Data Sheet Appendix B Specifications B 2 PN 10410 00730 Rev D MN469xC Series Multiport Test Set MM...

Страница 77: ......

Страница 78: ...Anritsu utilizes recycled paper and environmentally conscious inks and toner Anritsu Company 490 Jarvis Drive Morgan Hill CA 95037 2809 USA http www anritsu com...

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