Keysight Technologies U3042AM20 User's And Service Manual
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Keysight Technologies U3042AM20 User's And Service Manual

Keysight Technologies U3042AM20 User's And Service Manual

Multiport test set extension
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Keysight Technologies
U3042AM20
Multiport Test Set Extension
Use this manual with the following documents:
PNA Series Network Analyzer On-Line Help
System
User's and
Service Guide

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Summary of Contents for Keysight Technologies U3042AM20

  • Page 1 Keysight Technologies U3042AM20 Multiport Test Set Extension Use this manual with the following documents: PNA Series Network Analyzer On-Line Help System User’s and Service Guide...

  • Page 2: Safety Notices

    DOCUMENT IS PROVIDED “AS IS,” computer software,” as defined by AND IS SUBJECT TO BEING Federal Acquisition Regulation © Keysight Technologies. 2010-2019 CHANGED, WITHOUT NOTICE, IN (“FAR”) 2.101. Pursuant to FAR FUTURE EDITIONS. FURTHER, TO THE 12.212 and 27.405-3 and...

  • Page 3: Table Of Contents

    Equipment Setup ..........25 Keysight U3042AM20 User’s and Service Guide...
  • Page 4 External Voltage Supply Configuration ....... . 57 Setting the Control Lines with Address and Data Values ....58 Keysight U3042AM20 User’s and Service Guide...
  • Page 5 Equipment Required ..........77 Keysight U3042AM20 User’s and Service Guide...
  • Page 6 Contacting Keysight ..........98 Shipping Your Product to Keysight for Service or Repair ....98 Keysight U3042AM20 User’s and Service Guide...
  • Page 7 U3042AM20 Keysight U3042AM20 User’s and Service Guide...

  • Page 8: Introduction

    U3042AM20 Introduction Introduction This document describes how to use and service the U3042AM20 Multiport Test Set. Figure 1 N5242A with U3042AM20 (Option 129 shown) Keysight U3042AM20 User’s and Service Guide...

  • Page 9: Description

    U3042AM20 Description Description The Keysight U3042AM20 is a multiport test set designed to be configured with a 4-Port network analyzer creating an 24-Port measurement system. The U3042AM20 has the following key features: • 20 test ports (3.5 mm male connectors) •...

  • Page 10: Network Analyzer Requirements

    Ensure that the network analyzer has the latest version of firmware installed. The following web site links provide the necessary information needed: — Documentation - http://www.keysight.com/find/pna — Network Analyzer Firmware - http://na.support.keysight.com/pna/firmware/firmware.htm — U3042AM20 Test Set Files - http://na.support.keysight.com/multiport/testsets/testset_files.html Keysight U3042AM20 User’s and Service Guide...

  • Page 11: Available Options

    — U3042AM20-1CN - Front Handle Kit (5063-9229) — U3042AM20-1CP - Rackmount with Front Handle Kit (5063-9223) Network Analyzer Interface Kit Options The U3042AM20 requires the following kits to interface the test set with your analyzer. The interface kit model option includes the hardware lock-link and Table...

  • Page 12: General Specifications

    — Air conditioning equipment (or other motor operated equipment) should not be placed on the same ac line that powers the test set and analyzer. — U3042AM20 maximum power is 350 W. This is a Safety Class I product (provided with a protective earthing ground incorporated in the power cord).

  • Page 13: Environmental Requirements

    For weight, dimensions and space requirements, refer to the network analyzer documentation that is used to configure the test set. Keysight U3042AM20 User’s and Service Guide...

  • Page 14: Maximum Power Levels

    Table 4 U3042AM20 Maximum Power Levels Maximum Test Port RF Power Levels: PORT 5-24 +27 dBm U3042AM20 Access Ports: SOURCE OUT +20 dBm CPLR ARM +20 dBm CPLR THRU +20 dBm RCVR OUT +20 dBm Keysight U3042AM20 User’s and Service Guide...

  • Page 15: Typical Reflection Tracking

    −13 −13 1. Response from 10 MHz to 500 MHz is normal due to the PNA-X couplers in comparison to the Test Set bridges. The bridges have more gain in the coupled RF path. Keysight U3042AM20 User’s and Service Guide...

  • Page 16: Front And Rear Panel Features

    U3042AM20 Front and Rear Panel Features Front and Rear Panel Features Figure 2 U3042AM20 Front Panel (Option 129 shown) 5 to 24 Test Ports Access Ports Ext Noise Source Active Standby Switch Test Port LEDs Test Ports - 3.5 mm Bulkhead (male) —...
  • Page 17 This assembly houses the line cord connection, line fuse, and line voltage selector. Remove the line module cover to replace or change the fuse. Line voltage selection is automatic and no setting is required. Keysight U3042AM20 User’s and Service Guide...
  • Page 18 The use of other fuses or material is prohibited. Figure 4 Line Module and Fuse Verify that the premise electrical voltage supply is within the range specified on the instrument. Keysight U3042AM20 User’s and Service Guide...

  • Page 19: Hardware Lock-Link Installation (U3021-60004)

    2. Remove the feet from the bottom of the analyzer. 3. Remove the 2 lower standoffs from the rear panel on the analyzer using a T20 Torx driver. Figure 5 Rear Bottom Feet & Standoffs Standoffs (x2) Feet (x4) Keysight U3042AM20 User’s and Service Guide...
  • Page 20 6. Install the left and right lock-links onto the test set, as shown in Figure Figure 7 Install Lock-links to the Test Set Screw 0515-2317 (x2) Right lock-link Left lock-link N5242-20208 N5242-20209 T15 M3.5X0.6 12 mm Keysight U3042AM20 User’s and Service Guide...
  • Page 21 If the analyzer's lock-links are not aligned with the screw holes, loosen the screws securing the feet to the instrument to align and tighten. Figure 9 Secure and Tighten Refer to “Network Analyzer Interface Kit Options” on page Keysight U3042AM20 User’s and Service Guide...

  • Page 22: Hardware Lock-Link Installation (U3021-60005)

    2. Remove the feet from the bottom of the analyzer. 3. Remove the 2 lower standoffs from the rear panel on the analyzer using a T20 Torx driver. Figure 10 Rear Bottom Feet & Standoffs Standoffs (x2) Feet (x4) Keysight U3042AM20 User’s and Service Guide...
  • Page 23 5. Remove the two upper standoffs from the rear panel of the test set using a T20 Torx driver. 6. Install the left and right lock-links onto the test set, as shown in Figure Keysight U3042AM20 User’s and Service Guide...
  • Page 24 U3042AM20 Hardware Lock-link Installation (U3021-60005) Figure 12 Install Locking Feet on the Test Set Right lock-link N5242-20206 Left lock-link N5242-20207 Screw 0515-2317 (x2) T15 M3.5X0.6 12 mm Keysight U3042AM20 User’s and Service Guide...
  • Page 25 8. Secure the analyzer’s lower lock-links to the test set’s upper lock-link using the spring–loaded screws. If the analyzer's lock-links are not aligned with the screw holes, loosen the screws securing the feet to the instrument to align and tighten. Figure 14 Locked Keysight U3042AM20 User’s and Service Guide...

  • Page 26: N5232A Rf Interface Cable Connections (U3021-60075)

    Port 4 CPLR ARM Port 8 CPLR ARM U3042-20195 Port 4 CPLR THRU Port 8 CPLR THRU U3042-20196 Port 4 SOURCE OUT Port 8 SOURCE IN U3042-20194 Port 4 RCVR D IN Port 8 RCVR OUT Keysight U3042AM20 User’s and Service Guide...
  • Page 27 82 83 87 86 90 91 95 96 The Test Set shown is not a U3042AM20, but the interface cable connects shown are the same. 3. Connect the Test Set I/O cable (N4011-21002) to the Test Set Interface connector on the rear panel, similar...

  • Page 28: N5222A And N5242A Rf Interface Cable Connections (U3021-60077)

    Port 7 CPLR THRU U3042-20126 Port 2 CPLR THRU Port 8 CPLR THRU U3042-20128 Port 2 SOURCE OUT Port 8 SOURCE IN U3042-20125 Port 2 RCVR B IN Port 8 RCVR OUT Continued on page 23 Keysight U3042AM20 User’s and Service Guide...
  • Page 29 Table 7 on page Figure 16 RF Interface Cable Connections 23 23 23 23 24 24 24 24 Refer to “Test Set I/O Cable Installation” on page Keysight U3042AM20 User’s and Service Guide...

  • Page 30: Test Set I/O Cable Installation

    1. Perform the “System Operational Check” on page 2. If the problem still exists, perform the “RF Switching Failures” on page 3. If a power hole or other failure still exists, refer to 0. Keysight U3042AM20 User’s and Service Guide...

  • Page 31: System Operational Check

    Reflection Port Response Trace Cable Path Diagram Port 1 to 4 Figure 18 on page 26 Figure 19 on page 27 Ports 5 to 24 Figure 20 on page 28 Figure 21 on page 29 Keysight U3042AM20 User’s and Service Guide...
  • Page 32 The trace ripple (peak-peak variation) will be higher than when using an ECal Module due to variation in your Short’s performance. If response is in question perform “Cal Kit Operational Check” on page Figure 18 Typical Reflection Response Ports 1 to 4 Keysight U3042AM20 User’s and Service Guide...
  • Page 33 Port 8 Port 9 Port 10 Port 11 Port 12 Port 13 Port 14 Port 15 Port 16 Port 17 Port 18 Port 19 Port 20 Port 21 Port 22 Port 23 Port 24 Keysight U3042AM20 User’s and Service Guide...
  • Page 34 U3042AM20 System Operational Check Figure 20 Typical Reflection Response Ports 5 to 24 Keysight U3042AM20 User’s and Service Guide...
  • Page 35 Port 24 Port 9 Port 10 Port 11 Port 12 Port 13 Port 14 Port 15 Port 16 Port 17 Port 18 Port 19 Port 20 Port 21 Port 22 Port 23 S24 24 Keysight U3042AM20 User’s and Service Guide...

  • Page 36: Controlling The Test Set With The Analyzer

    1. On the analyzer select STIMULUS > Sweep > Sweep Setup. 2. Select Stepped Sweep (sweep moves in discrete steps). 3. Set the Dwell Time to 5 μs > OK. Keysight U3042AM20 User’s and Service Guide...
  • Page 37 U3042AM20 Controlling the Test Set with the Analyzer Figure 22 Sweep Setup Keysight U3042AM20 User’s and Service Guide...

  • Page 38: Multiport Mode (Option 551)

    (Instrument > Setup > External Hardware > Multiport > Multiport Configuration...). 2. Select U3042AM20 (24-Port System) from the drop-down menu and select Restart as a multiport PNA with this test set > OK. The analyzer will restart the network application with the test set interface features.

  • Page 39: External Test Set Control Feature

    This menu will allow the physical Ports 1 thru 24 to be identified as any port for your convenience. For example, Port 5 can be re-named Port 2. The External Test Set Control-U3042AM20 also allows control of the DUT control lines, refer to “Control Lines”...

  • Page 40: Selecting S-Parameter Measurement

    S-Parameter Tab: Multiple S-Parameters can be made from the New Trace menu. In the drop-down menu select Trace/Chan > Trace > New Trace -OR- (Instrument > Trace > New Trace). The dialog box allows the selection of any of the 144 S-Parameters. Keysight U3042AM20 User’s and Service Guide...

  • Page 41: Balanced Tab

    For more information on balanced (differential) component measurement, refer to the Application Note 1373-1 and 1373-2 (5988-5634EN and 5988-5635EN) at http://www.keysight.com. In the search menu, type “Multiport and Balanced.” Selecting Balanced Measurements Figure 27 Keysight U3042AM20 User’s and Service Guide...

  • Page 42: Receivers Tab

    If measurement errors occur, ensure the newest version of firmware is installed on the network analyzer. Measurement errors can be a result of firmware algorithms. Consult with Keysight Service or firmware web page for the latest PNA-X Option 551 firmware revisions and history. http://na.support.keysight.com/pna/firmware/firmware.html Keysight U3042AM20 User’s and Service Guide...
  • Page 43 U3042AM20 Controlling the Test Set with the Analyzer Figure 29 ECal Characterization and Calibration Wizard Keysight U3042AM20 User’s and Service Guide...
  • Page 44 Save > User Preset > Save current state as User Preset. Do not use the factory Preset (User Preset Off), the analyzer will return to Option 029 path configuration. Figure 30 RF Path Configuration Keysight U3042AM20 User’s and Service Guide...
  • Page 45 Measure reflection and confirm the return loss is as expected. If the result is not as expected, repeat the calibration without the test set and ensure that the analyzer is in standard (non-multiport) mode. Keysight U3042AM20 User’s and Service Guide...
  • Page 46 If measurement errors occur, ensure the newest version of firmware is installed on the analyzer. Measurement errors can be a result of firmware algorithms. Consult with Keysight Service or firmware web page for the latest firmware revisions and history. http:\\na.support.keysight.com\pna\firmware\firmware.html Keysight U3042AM20 User’s and Service Guide...

  • Page 47: Interface Control Mode

    — Control data is sent in the following order and this order cannot be changed (Refer to the PNA Help menu): 1. GPIB Commands - BEFORE 2. Handler I/O Control 3. Test Set I/O Control (addr.data) 4. Dwell After Command 5. Aux I/O Output Voltage Keysight U3042AM20 User’s and Service Guide...

  • Page 48: How To Access Interface Control Settings

    The analyzer includes the Interface Control application and rear panel connection. Please review this application before connecting the test set to the network analyzer. Information regarding this application can be found in the Help menu, Interface Control. Figure 33 Enable Interface Control Keysight U3042AM20 User’s and Service Guide...

  • Page 49: Using Interface Control Mode

    The quantity of test set I/O entries that can be entered is limited by the available memory of the analyzer. Address and Data example: addr.data (3) 16.1 32.2 Keysight U3042AM20 User’s and Service Guide...
  • Page 50 Word Pad. Applies the settings and closes the dialog box. Cancel: Does not apply changes that were made and closes the dialog box. Help: Provides additional information for using the interface control application. Keysight U3042AM20 User’s and Service Guide...

  • Page 51: Scpi Control Mode

    (System Setup > Remote Interface > SCPI Monitor Input > Show SCPI Parser Console). 2. Check the SCPI Command Console box -OR- (Show SCPI Parser Console) box. Command Console for 'A' Model Analyzers Figure 35 Keysight U3042AM20 User’s and Service Guide...

  • Page 52: Scpi Command Processor Console

    Address and data are separated by a comma. Commands should be separated by a new line, or carriage return. For example: CONT:EXT:TEST:DATA <address>,<data> CONT:EXT:TEST:DATA 0,0 Example: CONT:EXT:TEST:DATA 0,0 “Address and Data Values” on page Refer to Keysight U3042AM20 User’s and Service Guide...

  • Page 53: Address And Data Values

    Noise Source Port 5 = address 0, data 9, and Receiver Port 9 = address 0, data Two separate commands must be sent, you may use the same dialog box. The entry will be 0.9 in one command line, and 16.16 in the second line. Keysight U3042AM20 User’s and Service Guide...
  • Page 54 Selects Noise Source IN and OUT paths and Receiver for Port 21 (S2121) Table 9 1. See standard Source Paths in for Ports 5, 9, 13, 17 and 21. Refer to “System Block Diagrams” on page 70 for in-depth RF path information. Keysight U3042AM20 User’s and Service Guide...
  • Page 55 U3042AM20 RF Diagram RCVR SIGNAL Mechanical Switches SOURCE SIGNAL 16.16 Port 5 Port 9 Port 17 Port 21 Port 6 Port 10 Port 14 Port 18 Port 22 Port 13 Receiver Port Source Port Keysight U3042AM20 User’s and Service Guide...
  • Page 56 Mechanical Switches SOURCE SIGNAL Opt 129 16.16 Port 5 Port 9 Port 21 Port 6 Port 13 Port 17 Port 10 Port 14 Port 18 Port 22 Ext Noise Receiver Source Source Port Port Keysight U3042AM20 User’s and Service Guide...

  • Page 57: Option 129 External Noise Source

    Option 129 External Noise Source Option 129 External Noise Source The U3042AM20 with Option 129 allows an external ECal module, or noise source to be switched into the Source path of Ports 1, 5, 9, 13, 17 or 21. Only one port can be the active source.
  • Page 58 U3042AM20 Option 129 External Noise Source Figure 39 N5242A System with ECal Module USB Cable N4691B U3042-20076 Keysight U3042AM20 User’s and Service Guide...

  • Page 59: Setting Option 129 Source Path

    Noise Source Port 9 0.11 Noise Source Port 13 0.12 Noise Source Port 17 0.13 Noise Source Port 21 An 8 is added to the Data Value to activate the Option 129 switch, as indicated in Table Keysight U3042AM20 User’s and Service Guide...

  • Page 60: Control Lines

    100 mA (each line) Control Line DC resistance < 10 Ω (each line) Voltage Range: Positive Input 0 to +5 V Negative Input –5 to 0 V Internal Variable Voltage +2 to +5 V Keysight U3042AM20 User’s and Service Guide...
  • Page 61 Internal voltage output, adjusted with the trimmer on the rear panel. Positive Input Connection for internal (pin 12) or external positive voltage supply. Negative Input Connection for ground (pin 15) or external negative voltage supply. Ground terminal Keysight U3042AM20 User’s and Service Guide...

  • Page 62: Internal Voltage Supply Configuration

    You may only connect pin 12–13, and pin 14–15, damage may result if any other paths are short-circuited. Figure 41 Internal DC Power Configuration (rear panel view) Line 1 Line 2 (Rear Panel View) TO DUT (Only required Lines) Line 8 2 to 5 Vdc TEST SET Keysight U3042AM20 User’s and Service Guide...

  • Page 63: External Voltage Supply Configuration

    Test Set to the DUT and External DC Power Supply Line 1 Line 2 (Rear Panel View) TO DUT (Only required Lines) DC Power Supply Line 8 2 to 5 Vdc Positive: 0 to 5 Vdc Negative: 5 to 0 Vdc TEST SET Keysight U3042AM20 User’s and Service Guide...

  • Page 64: Setting The Control Lines With Address And Data Values

    DUT Control Line 4 set to logic low DUT Control Line 5 set to logic lowe DUT Control Line 6 set to logic low DUT Control Line 7 set to logic low DUT Control Line 8 set to logic low Keysight U3042AM20 User’s and Service Guide...

  • Page 65: Cal Kit Operational Check

    Only a functional certificate is provided for the Test Set. It is recommended that you return your instrument to Keysight Technologies for servicing or repair if the Test Set and PNA-X performance exceed the operational verification limits.

  • Page 66: Equipment Required

    U3042AM20 Cal Kit Operational Check Equipment Required The U3042AM20 requires that the user be familiar with the equipment and components listed. Table 17 Equipment List Description N4691A 3.5 mm ECal Module 10 MHz - 26.5 GHz (Option 00F or M0F) or N4691B 3.5 mm ECal Module 300 kHz - 26.5 GHz (Option 00F or M0F) or...
  • Page 67 See “Perform a 1-Port Calibration on Port 1. On the analyzer, select Response > Cal > Start Cal > Calibration Wizard.” on page 62. 12. Allow the ECal module, Test Set and PNA-X to warm up for a minimum of 30 minutes. Keysight U3042AM20 User’s and Service Guide...

  • Page 68: 1-Port Calibration And Verification Procedure

    If you do not have a keyboard, select Save As User Calset > Edit Name and save as 999.x. X is the port number you are calibrating. Use the numeric keypad on the PNA-X front panel to enter “999.1.” Keysight U3042AM20 User’s and Service Guide...
  • Page 69 8. Select Trace/Chan > Trace > Delete Trace. There should be no traces on the analyzer’s display. If traces are listed, select each individually and delete > OK. 9. To launch the Cal Set Viewer toolbar. Select Response > Cal > Manage Cals > Cal Set Viewer. Keysight U3042AM20 User’s and Service Guide...
  • Page 70 Cal Sets “999.1” thru “999.24” (24-Port). Response from 10 MHz to 500 MHz is normal due to the PNA-X couplers in comparison to the Test Set bridges. The bridges have more gain in the coupled RF path. Keysight U3042AM20 User’s and Service Guide...
  • Page 71 U3042AM20 Cal Kit Operational Check Figure 46 Standard Reflection Tracking Trace (Port 1 to 4) with PNA-X Figure 47 Standard Reflection Tracking Trace (Port 5 to 24) with PNA-X Keysight U3042AM20 User’s and Service Guide...

  • Page 72: Verifying Cal Kit Operational Check Failures

    5. Click Change Measurement and select the test port S-parameter Apply > OK. Click Read Module Data. 6. Select the ECal module you are using, and select ECal Module Memory and Factory ID> OK. Keysight U3042AM20 User’s and Service Guide...
  • Page 73 U3042AM20 Cal Kit Operational Check Figure 48 ECal Confidence Check Keysight U3042AM20 User’s and Service Guide...

  • Page 74: Service Information

    These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do not perform any servicing unless you are qualified to do so. Replaceable Parts The following replaceable parts are available from Keysight Technologies “Find-A-Part” system on the web at http://www.keysight.com/my/faces/ fapHomePage.jspx.
  • Page 75 U3021-60077 User’s and Service Guide (Option M20) U3042-90009 1. Instrument Option 129 only. “Hardware Lock-link Installation (U3021-60005)” 2. Refer to on page 16 Table 7 on page 22 3. For individual cables refer to Keysight U3042AM20 User’s and Service Guide...

  • Page 76: System Block Diagrams

    SOURCE OUT CPLR ARM RCVR A IN CPLR THRU SOURCE OUT CPLR ARM RCVR C IN CPLR THRU SOURCE OUT CPLR ARM RCVR D IN CPLR THRU SOURCE OUT CPLR ARM RCVR B IN Keysight U3042AM20 User’s and Service Guide...
  • Page 77 U3042AM20 System Block Diagrams Figure 50 U3042AM20 Option 129 RF Block Diagram CPLR THRU SOURCE OUT CPLR ARM RCVR A IN CPLR THRU SOURCE OUT CPLR ARM RCVR C IN CPLR THRU SOURCE OUT CPLR ARM RCVR D IN CPLR THRU...

  • Page 78: Theory Of Operation

    Set Port 6, 10, 14, 18 and 22. In the state shown in the block diagram, switch 20 routes the RF Source back to the PNA-X Port 3, and the Test Set Source path to Ports 6, 14, 18 and 22 are terminated. Keysight U3042AM20 User’s and Service Guide...

  • Page 79: S30 - Source To Ports (4, 7, 11, 15, 19 And 23)

    20 and 24 Coupler Arm path is terminated. S16 - Option 129 Ext Noise Source Switch 16 provides control of the Ext Source Noise path to Port 1, 5, 9, 13, 17 and 21. Keysight U3042AM20 User’s and Service Guide...

  • Page 80: Troubleshooting The Test Set

    See Figure 60 on page The opening of covers or removal of parts is likely to expose the user to dangerous voltages. Disconnect the instrument from all voltage sources before being opened. Keysight U3042AM20 User’s and Service Guide...
  • Page 81 DVM. Verify the voltages on the power supply label. e. If rear panel or deck fans is are not operating and the DC Indicator LEDs are on, replace the fan. Keysight U3042AM20 User’s and Service Guide...
  • Page 82 Verify that the control voltage pin connections to the DUT control lines are connected properly. Refer to “Control Lines” on page b. Verify that the rear panel DC voltage control adjustment can be set to 5 Vdc. Refer to Figure 3 on page Keysight U3042AM20 User’s and Service Guide...

  • Page 83: Rf Switching Failures

    — Remove the front panel RF interface cables and reinstall the analyzer’s front panel jumper cables. Equipment Required — PNA, PNA-L or PNA-X Network Analyzer — Two RF Flex Cables (3.5 mm male) — 3.5 mm Adapters (female to female) — Test Set I/O Cable Keysight U3042AM20 User’s and Service Guide...

  • Page 84: Equipment Setup

    Figure 53 on page 80 RCVR OUT to Ports 5-24 Receiver Figure 54 on page 82 Source IN to CPLR THRU Source Figure 55 on page 83 RCVR OUT to CPLR ARM Receiver Figure 55 on page 83 Keysight U3042AM20 User’s and Service Guide...

  • Page 85: Source And Receiver Path Tests

    P16 CPLR, S40 Source IN to Port 20 64.4 P20 CPLR, S40 Source IN to Port 24 64.5 P24 CPLR, S40 1. Use the Source IN port associated with this group of test ports. Keysight U3042AM20 User’s and Service Guide...
  • Page 86 U3042AM20 Troubleshooting the Test Set Figure 53 Source IN to Ports 5 to 24 Path Response (Std) Keysight U3042AM20 User’s and Service Guide...
  • Page 87 P16 CPLR, S41 RCVR OUT to Port 20 64.64 P20 CPLR, S41 RCVR OUT to Port 24 64.80 P24 CPLR, S41 1. Use the Source IN port associated with this group of test ports. Keysight U3042AM20 User’s and Service Guide...
  • Page 88 U3042AM20 Troubleshooting the Test Set Figure 54 RCVR OUT to Ports 5 to 24 Path Response (Std) Keysight U3042AM20 User’s and Service Guide...
  • Page 89 RCVR OUT to CPLR ARM 16.0 Port 7 RCVR OUT to CPLR ARM 32.0 Port 8 RCVR OUT to CPLR ARM 64.0 Figure 55 Source IN to CPLR THRU or RCVR OUT to CPLR ARM Path Response (Std) Keysight U3042AM20 User’s and Service Guide...

  • Page 90: Option 129 Path Test

    Verify that the trace is similar to Figure 57 on page Table 25 Address and Data Port Commands Command Port CPLR THRU 0.25 Port 5 0.42 Port 9 0.59 Port 13 0.76 Port 17 0.93 Port 21 Keysight U3042AM20 User’s and Service Guide...
  • Page 91 U3042AM20 Troubleshooting the Test Set Figure 56 Ext Noise Source In to CPLR THRU Path Response Figure 57 Ext Noise Source In to Ports 5, 9, 13, 17 or 21 Path Response Keysight U3042AM20 User’s and Service Guide...

  • Page 92: Noise Source Out Test

    7. Send the Test Set I/O command 0.8. Verify that the Ext Noise Source front panel LED is On. 8. Set trace S21 and verify that the trace is similar to Figure Figure 58 Noise Source Out to Source In Path Response Keysight U3042AM20 User’s and Service Guide...

  • Page 93: Connection Tables And Diagrams

    Ports 7, 11, 15, 19 and 23 Source Ports 7, 11, 15, 19 and 23 Source Ports 8, 12, 16, 20 and 24 Receiver Ports 8, 12, 16, 20 and 24 Receiver Option 129 (Ext Noise Source) Source Keysight U3042AM20 User’s and Service Guide...
  • Page 94 U3042AM20 Troubleshooting the Test Set Figure 59 Top View Couplers (x20) Option 129 Switch (S16) Switch Test Set Interface Bd Control Bd (top) (bottom) DUT Control Bd Keysight U3042AM20 User’s and Service Guide...
  • Page 95 U3042AM20 Troubleshooting the Test Set Figure 60 Bottom View Couplers (x20) Option 129 Connector (S16) Fuse (x2) Power Supply Line Mod ule Keysight U3042AM20 User’s and Service Guide...

  • Page 96: Safety And Information

    The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition. Keysight U3042AM20 User’s and Service Guide...

  • Page 97: Before Applying Power

    (outside the cabinet) must be less than the maximum operating temperature of the instrument by 4 °C for every 100 watts dissipated in the cabinet. If the total power dissipated in the cabinet is greater than 800 watts, forced convection must be used. Keysight U3042AM20 User’s and Service Guide...

  • Page 98: Connector Care And Cleaning Precautions

    Remove the power cord to the instrument. To clean the connectors use alcohol in a well ventilated area. Allow all residual alcohol moisture to evaporate, and fumes to dissipate prior to energizing the instrument. Keysight U3042AM20 User’s and Service Guide...
  • Page 99 U3042AM20 Safety and Information To prevent electrical shock, disconnect the Keysight U3042AM20 from mains electrical supply before cleaning. Use a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt to clean internally.

  • Page 100: Regulatory Information

    Forty years is the expected useful life of the product. This symbol on all primary and secondary packaging indicates compliance to China standard GB 18455-2001. South Korean Certification (KC) mark; includes the marking's identifier code which follows the format: MSIP-REM-YYY-ZZZZZZZZZZZZZZ. Keysight U3042AM20 User’s and Service Guide...

  • Page 101: Battery

    Regulatory Information Battery: Do not throw batteries away but collect as small chemical waste, or in accordance with your country’s requirements. You may return the battery to Keysight Technologies for disposal. Refer to “Contacting Keysight” on page 98 for assistance.

  • Page 102: Declaration Of Conformity

    U3042AM20 Regulatory Information Declaration of Conformity A copy of the Declaration of Conformity is available upon request, or a copy is available on the Keysight Technologies web site at: https://regulations.about.keysight.com/DoC/search.htm Keysight U3042AM20 User’s and Service Guide...

  • Page 103: Electrostatic Discharge Protection

    To ensure user safety, static-safe accessories must provide at least 1 MΩ of isolation from ground. These techniques for a static-safe work station should not be used when working on circuitry with a voltage potential greater than 500 volts. Keysight U3042AM20 User’s and Service Guide...

  • Page 104: Keysight Support, Services, And Assistance

    Keysight for repair. If you wish to send your instrument to Keysight Technologies for service or repair: — Include a complete description of the service requested or of the failure and a description of any failed test and any error message.
  • Page 106 This information is subject to change without notice. © Keysight Technologies 2010-2019 Edition 4, November 2019 Supersedes: May 2018 U3042-90009 www.keysight.com...

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