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background image

Figure

49

U3042AM04

Service Information

Electrical Block Diagram

PS1

650W

DC

Power

Supply

Test

Set

Control

Bd.

PCB

1

12

/

15

Vdc

S10

-12

/

-15

Vdc

3/5

Vdc

Switch

Interface

Bd.

PCB2

Test

Set

Interface

Pass

Thru

Interface

J1

J4

J2

J3

J9

Ext.

DUT

Control

J11

J12

J14

J13

AC

Line

Filter

Assy

FS2

–

FS3

AC

IN

P10

S11

S20

J101

J100

P1

Active

ON

LED

(Frt.Pnl)

J16

J5

FAN

J15

Std.By

FS1

+24

Vdc

AC

IN

*

**

PCB7

Ports

8

LED

(Frt.Pnl)

J6

J7

J8

PCB6

Ports

7

LED

(Frt.Pnl)

PCB5

Ports

6

LED

(Frt.Pnl)

PCB4

Ports

5

LED

(Frt.Pnl)

S21

S30

S31

S41

P11

P20

P21

P30

P31

P41

Front

Panel

Active

9/

-1

0

Vdc

N.C.

Signal

Path

Name

Test

Set

Port

Group

Ext

Control

Bd.

(3,

5,

-12,

15,

-15

Vdc)

(5 Vdc)

(3,

5,

15,

-15,

24

Vdc)

NOTES:

*

The

dc

voltages

shown,

are

functionally

used

by

this

part.

**

On

board

programmed

Device.

*

**

*

PCB3

(5,

15,

-15vdc)

*

*

-12 Vdc

*

(5 Vdc)

(5 Vdc)

*

(5 Vdc)

*

(5 Vdc)

*

S40

P40

Source

----

Receiver

-----

5

-----

Source

----

Receiver

-----

6

-----

Source

----

Receiver

-----

7

-----

Source

----

Receiver

-----

8

-----

RF

Switch

(24

Vdc)

JTAG

J102

Keysight

U3042AM04

4-Port

Test

Set

300

kHz

–

26.5

GHz

*

J16

Opt

129,

RF

Switch

(24

Vdc)

*

S16

59

Keysight U3042AM04 User's and Service Guide

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Summary of Contents for U3042AM04

Page 1: ...s document contains references to Agilent Please note that Agilent s Test and Measurement business has become Keysight Technologies For more information go to www keysight com Use this manual with the...

Page 2: ...ware to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The li...

Page 3: ...d Cooling 6 Required Conditions for Accuracy Enhanced Measurement 6 Dimensions and Space Requirements 6 Maximum and Recommended Power Levels 7 Typical Reflection Tracking 8 Front and Rear Panel Featur...

Page 4: ...cessor 37 SCPI Command Processor Console 39 Address and Data Values 40 Setting the Test Ports Paths with Address and Data 40 Control Lines 42 Internal Voltage Supply Configuration 44 External Voltage...

Page 5: ...Set and RF Switching Path Test 66 Equipment Required 66 Equipment Setup 66 Cable Connections 67 Source Signal Path Insertion Loss Test 67 RF Performance Fails 70 Troubleshooting Diagrams and Tables 7...

Page 6: ...Contents 4 Table of Contents Contacting Keysight 79 Shipping Your Product to Keysight for Service or Repair 79...

Page 7: ...U3042AM04 User s and Service Guide U3042AM04...

Page 8: ...n Introduction This document describes how to use and service the U3042AM04 Multiport Test Set Figure 1 4 Port PNA L with U3042AM04 Figure 2 4 Port PNA or PNA X with U3042AM04 1 Keysight U3042AM04 Use...

Page 9: ...tion technique Low insertion loss measurements exhibiting a 0 1 dB uncertainty ripple residing on the measurement response is not uncommon Switch Configuration Command Speed When writing address and d...

Page 10: ...l frequency range of the test set The Test Set files indicated in Table 2 must be installed into this network analyzer file directory location c Program Files Keysight Network Analyzer testsets Networ...

Page 11: ...etwork Analyzer Interface Kit Options Table 3 The U3042AM04 will require one of the following kits to interface the test set with your network analyzer The Interface kit model option includes the hard...

Page 12: ...earthing ground incorporated in the power cord The mains plug shall be only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside...

Page 13: ...erating 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 Require...

Page 14: ...Refer to your analyzer s specifications to determine the maximum input power levels for the access and test ports or to optimize the power levels in the receivers Damage and maximum levels are not nec...

Page 15: ...s See Table 6 and Table 7 Table 6 Typical Reflection Tracking with PNA L Frequency Standard 700 300 kHz to 10 MHz 0 2 10 MHz to 4 GHz 3 4 GHz to 6 GHz 4 6 GHz to 10 5 GHz 5 10 5 GHz to 13 5 GHz 6 13 5...

Page 16: ...LED indicates an active port in Source or Receiver mode On the front panel S indicates Source test ports and R indicates Receiver test ports Note that this switch is Standby only not a line switch The...

Page 17: ...est Set to a conductive object cabinet or structure to ensure a common potential and reduce leakage current in a system Requires an English 1 4 20 thread nut 2950 0004 and lock washer 2190 0067 The Pa...

Page 18: ...before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifi...

Page 19: ...nstrument from all voltage sources before being opened Locking the Test Set to the PNA L 1 The kit U3021 60001 includes items to interface the Test Set to the analyzer 2 Remove the feet from the botto...

Page 20: ...e standoffs were removed Install Locking Feet 5 Remove the top two standoffs and screws 0515 1619 from the rear panel on the Test Set 6 Install the top left and right rear locking feet from the kit 50...

Page 21: ...feet loosen the screws securing the feet to the instrument slightly to align and tighten Figure 9 Locking the Analyzer Figure 10 Locking Feet Screws The lock feet kit U3021 60001 includes the analyze...

Page 22: ...rom the PNA L to the Test Set Torque each cable to 8 in lb The Z5623 20418 are the short cables and the Z5623 20419 are the long cables Refer to Table 8 and Figure 11 Each end of the interconnect RF c...

Page 23: ...cable N4011 21002 from the PNA L Test Set I O to the Test Set I O interface connector on the rear panel of the Test Set Refer to Figure 18 on page 21 Refer to System Operational Checks on page 22 for...

Page 24: ...all voltage sources before being opened Locking the Test Set to the PNA or PNA X 1 The kit U3021 60002 includes items to interface the Test Set to the analyzer 2 Remove the feet from the bottom of th...

Page 25: ...ffs and screws 0515 1619 from the rear panel on the Test Set 6 Install the two rear locking feet onto the Test Set Looking at the front panel the N5242 20138 is the right foot and the N5242 20139 is t...

Page 26: ...en the screws securing the feet to the instrument slightly to align and tighten Figure 15 Locking the Analyzer s Figure 16 Locking Feet Screws The lock feet kit U3021 60002 includes the analyzer and T...

Page 27: ...ecome loose Table 9 PNA or PNA X RF Interface Cable Connection U3021 60047 Numeric Order RF Cables From PNA X To Test Set 1 U3042 20031 Port 1 SOURCE OUT Port 5 SOURCE IN 2 U3042 20032 Port 1 CPLR THR...

Page 28: ...ected in the numeric order listed in Table 9 on page 20 PNA X RF Interface Cable Connections 3 Connect the analyzer Test Set I O cable N4011 21002 to the Test Set Interface Figure 18 connector on the...

Page 29: ...alyzer and make the following settings Set to Multi Port Mode Frequency range 10 MHz to 26 5 GHz IFBW 1 kHz Scale 10 dB Div Set the PNA to measure S11 Ensure the RF path of the analyzer is in Default...

Page 30: ...Mechanical Switches Port 3 2 C A RCVR C IN Port 1 CPLR THRU SOURCE OUT RCVR A IN CPLR ARM Port 2 4 B D CPLR THRU SOURCE OUT RCVR B IN CPLR ARM Port 4 3 CPLR THRU SOURCE OUT RCVR D IN CPLR ARM Keysigh...

Page 31: ...E OUT RCVR B IN CPLR ARM Port 4 3 CPLR THRU SOURCE OUT RCVR D IN CPLR ARM Keysight 4 Port PNA NOTE PNA PNA X Port orientation is shown PNA L RF interconnections are the same PNA L CPLR THRU SOURCE OUT...

Page 32: ...Control on page 37 Typeface Key Conventions The following key conventions are used throughout this document HARDKEYS are labeled front panel keys SOFTKEYS are indicated on the instrument display Ital...

Page 33: ...Utility System Configure Multiport Capability OR Instrument Setup External Hardware Multiport Multiport Configuration 2 Select U3042AM04 4 Port System from the test set drop down menu and select Rest...

Page 34: ...menu will allow the physical Ports 1 thru 12 to be identified as any port for your convenience For example Port 5 can be re named Port 2 The External Test Set Control U3042AM04 also allows control of...

Page 35: ...tes the port is the Receiver and the S LED indicates the port is the Source The B model analyzer provides an S Parameter selection method using the keypad For example to select S25 MEAS MEAS Enter S P...

Page 36: ...ntial component measurement search for Application Note 1373 1 and 1373 2 5988 5634EN and 5988 5635EN at http www keysight com Selecting Balanced Measurements Receivers Tab Figure 29 The S Parameter m...

Page 37: ...re RF Path Config and in the drop down menu select Default OK Save this configuration as a User Preset by selecting Save User Preset Save current state as User Preset Do not use the factory Preset Use...

Page 38: ...the DUT This removes the effect on the measurement of the DUT Failure to do this will create ripple and other measurement errors Refer to ECal User Characterization If measurement errors occur ensure...

Page 39: ...orts you are calibrating following the Cal Wizard prompts and click Measure after each connection 5 At the Calibration Completed prompt select Save As User Calset and enter the name desired and Save 6...

Page 40: ...ry I O without needing to create a remote program Refer to Help menu Rear Panel Tour A unique set of control data can be sent for each channel In addition a unique set of control data can be sent befo...

Page 41: ...nternalHardware InterfaceControl in the drop down menu and select EnableInterfaceControl The network analyzer comes with the Interface Control application Please review this application before connect...

Page 42: ...ace Control is disabled and NO data is sent To send data the individual interfaces must also be enabled Provides control of the Test Set I O Interface on the rear panel of the analyzer Used to control...

Page 43: ...the channel begins sweeping The After Sweep Start data is sent after the last trace on the channel sweep is completed Specifies a wait time in milliseconds after all commands to all interfaces are sen...

Page 44: ...et without needing to create a remote program The user is required to manually input address and data using the Command Processor Console in the PNA Help menu Command Processor settings can not be sav...

Page 45: ...Figure 36 U3042AM04 Controlling the Test Set with N5222 32 42A B Command Console for B Model Analyzers Keysight U3042AM04 User s and Service Guide 38...

Page 46: ...nnector by sending the following address a integer number data a integer number Refer to Address and Data Values on page 40 Figure 37 Address and data are separated by a comma Commands should be separ...

Page 47: ...ss 32 data 1 and Receiver Port 8 address 64 data 16 Two separate commands must to be sent you may use the same dialog box Send address 32 and data 1 in one command line and address 64 and data 16 in t...

Page 48: ...ort 4 3 CPLR THRU SOURCE OUT RCVR D IN CPLR ARM Keysight 4 Port PNA NOTE PNA PNA X Port orientation is shown PNA L RF interconnections are the same PNA L Port 7 Port 8 SOURCE SIGNAL RCVR SIGNAL S30 S3...

Page 49: ...e source 2 to 5 Vdc or an external DC power supply depending on how the connection to the control line is configured When using an external power supply a positive or negative voltage can be used Refe...

Page 50: ...r pin 14 5 Line 5 Control Line Output of the voltage from pin 13 or pin 14 6 Line 6 Control Line Output of the voltage from pin 13 or pin 14 7 Line 7 Control Line Output of the voltage from pin 13 or...

Page 51: ...strates an example of the connection between the DUT and the test set without an external DC power supply Connect pin 12 to pin 13 for 5 V and pin 14 to pin 15 to provide the ground path Connect each...

Page 52: ...ning On the Test Set using an External Power Supply 1 Turn on the test set 2 Connect the DUT 3 Turn on the external power supply Turning Off the Test Set using an External Power Supply 1 Turn off the...

Page 53: ...is always 112 Table 14 Test Set DUT Control Address and Data Logic Table Address Data Description Line Pin 112 0 ALL DUT Control Lines set to logic high or connected to Pin 13 1 8 112 255 ALL DUT Cont...

Page 54: ...ir data values Listed are two examples to illustrate this concept Refer to Figure 39 on page 43 shown with all lines logic high To change lines 1 8 to equal logic Low all others logic high 1 Line 1 ad...

Page 55: ...This section provides an equipment list and setup of the analyzer and test set Table 15 Equipment List Description Qty N4691A 3 5 mm ECal Module 10 MHz 26 5 GHz Option 00F or M0F or N4691B 3 5 mm ECal...

Page 56: ...you suspect that your 8 Port configuration is not operating properly ensure that all front RF jumper interconnect cables are correctly attached Table 16 Reflection Tracking with PNA La a Reflection Tr...

Page 57: ...Verify that the analyzer is in Multiport mode See the bottom of the measurement window a If only four S Parameters are listed select Utility System Configure Multiport Capability OR Instrument Setup...

Page 58: ...tinue following the Cal Wizard prompts In the Select Calibration Ports and ECal Module dialog box click Clear All then select Port 1 Next Measure 4 Ensure the Cal Kit you are using is indicated on the...

Page 59: ...traces on the screen 9 To launch the Cal Set Viewer toolbar Select Response Cal Manage Cals Cal Set Viewer OR Response Cal Cal Sets Cal Kits Cal Set Viewer On Off Figure 44 Calibration Cal Set Viewer...

Page 60: ...4 PNA L Port 1 8 Figure 46 Reflection Tracking Ports 5 to 8 with PNA or PNA X Response from 10 MHz to 500 MHz is normal due to the PNA or PNA X Couplers in comparison to the test set bridges The brid...

Page 61: ...check the accuracy of a 1 Port calibration performed with mechanical standards or an ECal module In order to perform this check the test port of the ECal module must connect directly to the test port...

Page 62: ...tion 1 Perform the System Operational Checks on page 22 2 If the problem still exists perform the RF Switching Failures on page 65 If a power hole or other failure still exists refer to Contacting Key...

Page 63: ...cing 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 fapHom...

Page 64: ...C IN RF Cable Semi Rigid U3042 20034 Port 3 CPLR THRU RF Cable Semi Rigid U3042 20036 Port 4 CPLR ARM RF Cable Semi Rigid U3042 20037 Port 4 RCVR D IN RF Cable Semi Rigid U3042 20038 Port 4 SOURCE OUT...

Page 65: ...Port 4 3 CPLR THRU SOURCE OUT RCVR D IN CPLR ARM Keysight 4 Port PNA NOTE PNA PNA X Port orientation is shown PNA L RF interconnections are the same PNA L CPLR THRU SOURCE OUT CPLR ARM Port 5 Port 6...

Page 66: ...CB6 Ports 7 LED Frt Pnl PCB5 Ports 6 LED Frt Pnl PCB4 Ports 5 LED Frt Pnl S21 S30 S31 S41 P11 P20 P21 P30 P31 P41 Front Panel Active 9 10 Vdc N C Signal Path Name Test Set Port Group Ext Control Bd 3...

Page 67: ...Board and provides connections to the RF switches This board regulates the DC voltage supply 24 volts and routes logic signals to the switches Front Panel LED Boards Four LED board assemblies N5261 60...

Page 68: ...nnect cables to the test set Source and Receiver Switch Paths Refer to the System Block Diagram Figure 48 on page 58 for source and receiver switch path details Test Set Control Board The Test Set Con...

Page 69: ...Line voltage checks remove AC power from the instrument a Ensure the proper AC Line voltage is present at the instrument line cord b Remove the AC power cord from the instrument Confirm the instrumen...

Page 70: ...e power supply label to identify the terminal voltage values e If all of the DC Input LEDs are On and the fan is not working replace fan f Using a DVM confirm that the RF Switch power regulator output...

Page 71: ...t the control voltage pin connections to the DUT control lines are connected properly Refer to Control Lines on page 42 b Verify that the rear panel DC voltage control adjustment can be set to 5 Vdc R...

Page 72: ...loaded into the analyzer Refer to Network Analyzer Requirements on page 3 3 Using the I O command values confirm that the correct address and data values are used Refer to Address and Data Values on...

Page 73: ...the test set 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 Equipment Setup 1 Turn on the test set and the analyzer 2 Preset the...

Page 74: ...re 53 on page 68 Table 21 Source Signal Path Insertion Loss Test Connect the RF Flex cables to the Test Port and Source IN port indicated in Table 21 The expected results should be similar to Figure 5...

Page 75: ...rvice Information Figure 51 Source IN to Ports 5 8 Path Response Figure 52 RCVR OUT to Ports 5 8 Path Response Figure 53 Source Receiver Bypass Signal Path Response Keysight U3042AM04 User s and Servi...

Page 76: ...th Description Control Mode Address Data Path Components Insertion Loss typical 1 RCVR OUT to Ports 51 1 Use the RCVR OUT port associated with this group of test ports 0 16 P5 CPLR S11 Figure 52 on pa...

Page 77: ...23 U3042AM04 Service Information Connect the RF Flex cables to the Source IN and CPLR THRU port indicated in Table23 the expected results should be similar to Figure 53 on page 68 Source Bypass Signa...

Page 78: ...ness Active LED P1 Active LED DUT Control Ribbon Cable J9 DUT Controller Board Power Supply Wire Harness J11 14 Power Supply Table 26 Switch Interface Board Switch Interface Board Connection Switch In...

Page 79: ...gure 55 Bottom View Power Supply LEDs 11 10 21 31 DUT Control Bd Switch Interface Bd 41 40 16 20 Coax Switch x8 Fuse x2 Fan Power Supply Line Module 11 21 31 41 10 20 30 40 Keysight U3042AM04 User s a...

Page 80: ...tective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited Always use the three...

Page 81: ...ied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock This product is designed for use in Installation Categ...

Page 82: ...serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers The detachable power cord is the instrument disconnecting device It disconnects the ma...

Page 83: ...f flammable cleaning materials are used the material shall not be stored or left open in the area of the equipment Adequate ventilation shall be assured to prevent the combustion of fumes or vapors Ke...

Page 84: ...emark of the European Community The Keysight email address is required by EU directives applicable to our product The CSA mark is a registered trademark of the CSA International This is a symbol of an...

Page 85: ...61010 1 3rd Edition Acoustic statement European Machinery Directive 2022 42 EC 1 7 4 2U Accoustical noise emission LpA 70 dB Operator position Normal operation mode Per ISO 7779 EMI and EMC Complianc...

Page 86: ...can determine the warranty status of your unit Shipping Your Product to Keysight for Service or Repair IMPORTANT Keysight Technologies reserves the right to reformat or replace the internal hard disk...

Page 87: ...Keysight U3042AM04 User s and Service Guide 80...

Page 88: ...This information is subject to change without notice Keysight Technologies 2013 2018 Edition 1 February 2018 Supersedes April 2017 www keysight com...

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