background image

Notices

Copyright Notice

© Keysight Technologies. 2007-201

9

No part of this manual may be 
reproduced in any form or by any 
means (including electronic storage 
and retrieval or translation into a 
foreign language) without prior 
agreement and written consent from 
Keysight Technologies, Inc. as 
governed by United States and 
international copyright laws.

Trademark

 

Acknowledgments

Manual Part Number

U3042-90001

Edition

Edition 

6

March

 2019

 

Supersedes: 

March 2019

Printed in:

Printed in USA

Published by:

Keysight Technologies Inc

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

Technology Licenses

The hardware and/or software 
described in this document are 
furnished under a license and may be 
used or copied only in accordance 
with the terms of such license.


U.S. Government Rights

The Software is “commercial 
computer software,” as defined by 
Federal Acquisition Regulation 
(“FAR”) 2.101. Pursuant to FAR 
12.212 and 27.405-3 and 
Department of Defense FAR 
Supplement (“DFARS”) 227.7202, 
the U.S. government acquires 
commercial computer software 
under the same terms by which the 
software is customarily provided to 
the public. Accordingly, Keysight 
provides the Software 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 

license set forth in the EULA 
represents the exclusive authority by 
which the U.S. government may use, 
modify, distribute, or disclose the 
Software. The EULA and the license 
set forth therein, does not require or 
permit, among other things, that 
Keysight: (1) Furnish technical 
information related to commercial 
computer software or commercial 
computer software documentation 
that is not customarily provided to 
the public; or (2) Relinquish to, or 
otherwise provide, the  government 
rights in excess of these rights 
customarily provided to the public to 
use, modify, reproduce, release, 
perform, display, or disclose 
commercial computer software or 
commercial computer software 
documentation. No additional 
government requirements beyond 
those set forth in the EULA shall 
apply, except to the extent that those 
terms, rights, or licenses are 
explicitly required from all providers 
of commercial computer software 
pursuant to the FAR and the DFARS 
and are set forth specifically in 
writing elsewhere in the EULA. 
Keysight shall be under no obligation 
to update, revise or otherwise modify 
the Software.  With respect to any 
technical data as defined by FAR 
2.101, pursuant to FAR 12.211 and 
27.404.2 and DFARS 227.7102, the 
U.S. government acquires no greater 
than Limited Rights as defined in 
FAR 27.401 or DFAR 227.7103-5 (c), 
as applicable in any technical data.

Warranty

THE MATERIAL CONTAINED IN THIS 
DOCUMENT IS PROVIDED “AS IS,” 
AND IS SUBJECT TO BEING 
CHANGED, WITHOUT NOTICE, IN 
FUTURE EDITIONS. FURTHER, TO THE 
MAXIMUM EXTENT PERMITTED BY 
APPLICABLE LAW, KEYSIGHT 
DISCLAIMS ALL WARRANTIES, EITHER 
EXPRESS OR IMPLIED WITH REGARD 
TO THIS MANUAL AND ANY 
INFORMATION CONTAINED HEREIN, 
INCLUDING BUT NOT LIMITED TO THE 
IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE. 
KEYSIGHT SHALL NOT BE LIABLE 
FOR ERRORS OR FOR INCIDENTAL 
OR CONSEQUENTIAL DAMAGES IN 
CONNECTION WITH THE 
FURNISHING, USE, OR 
PERFORMANCE OF THIS DOCUMENT 
OR ANY INFORMATION CONTAINED 
HEREIN. SHOULD KEYSIGHT AND THE 
USER HAVE A SEPARATE WRITTEN 
AGREEMENT WITH WARRANTY 
TERMS COVERING THE MATERIAL IN 
THIS DOCUMENT THAT CONFLICT 
WITH THESE TERMS, THE WARRANTY 
TERMS IN THE SEPARATE 
AGREEMENT SHALL CONTROL.

Safety Notices

A CAUTION notice denotes a 
hazard. It calls attention to an 
operating procedure, practice, or 
the like that, if not correctly 
performed or adhered to, could 
result in damage to the product or 
loss of important data. Do not 
proceed beyond a CAUTION notice 
until the indicated conditions are 
fully understood and met. 

A WARNING notice denotes a 
hazard. It calls attention to an 
operating procedure, practice, or 
the like that, if not correctly 
performed or adhered to, could 
result in personal injury or death. Do 
not proceed beyond a WARNING 
notice until the indicated conditions 
are fully understood and met.

Summary of Contents for U3042AE12

Page 1: ...User s and Service Guide Keysight Technologies U3042AE12 Multiport Test Set Extension...

Page 2: ...r software or commercial computer software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses a...

Page 3: ...Power Levels 14 Typical Reflection Tracking 15 Front and Rear Panel Features 16 Hardware Lock Link Kit Installation with N5230C or N5232A B 19 Locking the Test Set to the PNA L 19 PNA L RF Interface C...

Page 4: ...ol 48 How to Access the Command Processor 49 SCPI Command Processor Console 50 52 Address and Data Values 52 Setting the Test Port Paths with Address and Data Control Lines 54 Internal Voltage Supply...

Page 5: ...formance Fails 85 Connection Tables and Diagrams 86 Safety Information 89 Introduction 89 Safety Earth Ground 89 Statement of Compliance 89 Before Applying Power 90 Connector Care and Cleaning Precaut...

Page 6: ...Contents 4 Table of Contents...

Page 7: ...U3042AE12 U3042AE12 User s and Service Guide 7...

Page 8: ...on This document describes how to use and service the U3042AE12 Multiport Test Set Extension Figure 1 4 Port PNA L with U3042AE12 Figure 2 4 Port PNA or PNA X with U3042AE12 8 U3042AE12 User s and Ser...

Page 9: ...test set can be connected to a 4 port PNA PNA L or PNA X providing a 16 port network analyzer solution for full crossbar measurements The U3042AE12 has the following key features 12 test ports 3 5 mm...

Page 10: ...isting of other network analyzer option requirements The analyzer s frequency range must be equal to or exceed that of the test set so that the measurement system covers the full frequency range of th...

Page 11: ...15 U3042A 1CN Front Handle Kit 5063 9228 U3042A 1CP Rackmount with Front Handle Kit 5063 9222 Network Analyzer Interface Kit Options The U3042AE12 requires one of the following kits to interface the T...

Page 12: ...ing values measured in the Cal Kit Operational Check on page 60 can be subtracted from the analyzers dynamic range to determine the approximate performance of the system Power Requirements Verify that...

Page 13: ...ument 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 Required Conditions for Accuracy Enhanc...

Page 14: ...determine the maximum input power levels for the analyzer s access and test ports or to optimize the power levels in the receivers Damage and maximum levels are not necessarily the optimum level Table...

Page 15: ...on 002 300 kHz to 10 MHza a Generally improves at 3 MHz to 6 dBm 80 100 100 10 MHz to 4 GHz 10 2 1 4 GHz to 6 GHz 12 1 0 6 GHz to 10 5 GHz 13 2 3 10 5 GHz to 13 5 GHz 14 3 4 13 5 GHz to 15 GHz 15 3 4...

Page 16: ...Receiver test ports For further information pertaining to control lines and voltage adjustments see Control Lines on page 54 The switch is only a Standby switch not a AC line power switch The main po...

Page 17: ...ltage selector Remove the line module cover to replace or change the fuse Line voltage selection is automatic and no setting is required Install the instrument so that the detachable power cord is rea...

Page 18: ...ction against fire hazard replace line fuse only with same type and rating The use of other fuses or material is prohibited Figure 5 Line Module and Fuse Verify that the premise electrical voltage sup...

Page 19: ...Locking the Test Set to the PNA L 1 The kit U3021 60001 includes items to interface the test set to the PNA L 5023 0132 Lock link Set Analyzer 0515 1619 Screw Analyzer 5063 9253 Lock link Set Test Set...

Page 20: ...s from the rear panel on the test set 6 Install the top left and right rear lock links from the kit 5063 9253 onto the test set using the screws included with this option Figure 8 Install Lock links t...

Page 21: ...he spring loaded screws on the locking feet If the analyzer s lock links are not aligned with the screw holes loosen the screws securing the feet to the instrument slightly to align and tighten Figure...

Page 22: ...b The Z5623 20418 are the short cables and the Z5623 20419 are the long cables Refer to Table 8 below and Figure 11 on page 23 Each end of the interconnect RF cables have a different length from the b...

Page 23: ...VR D IN CPLR THRU CPLR ARM SOURCE OUT REF RCVR IN SOURCE OUT Test Set I O Cable 1 U3042AE12 10 MHz to 20 GHz MULTIPORT TEST SET CPLR ARM SOURCE IN RCVR OUT CPLR THRU PORT 5 PORT 7 PORT 6 S R P5 P6 P7...

Page 24: ...NA or PNA X 1 The kit U3021 60002 includes items to interface the test set to the PNA and PNA X 5023 0132 Lock link Set Analyzer 0515 1619 Screw Analyzer N5242 20138 Right Lock link Test Set N5242 201...

Page 25: ...top two standoffs from the rear panel on the test set 6 Install the left and right rear lock links onto the test set using the screws included with this option Figure 14 Install Locking Feet on Test...

Page 26: ...ng loaded screws on the locking feet If the analyzer s lower locking feet are not aligned with the screw holes in the Test Set s upper locking feet loosen the screws securing the feet to the instrumen...

Page 27: ...able 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 THRU Port 5 CPLR...

Page 28: ...eric order listed in Table 9 on page 27 Figure 17 RF Interface Cable Connections 3 Connect the analyzer s Test Set I O cable to the Test Set Interface connector on the rear panel Refer to Test Set I O...

Page 29: ...gure 18 Figure 18 PNA or PNA X Test Set I O Cable Connection Interconnect Cable Verification 1 Perform the System Operational Checks on page 30 2 If the problem still exists perform the RF Switching F...

Page 30: ...e 10 dB Div Set the PNA to measure S11 Ensure the RF path of the analyzer is in Default mode Refer to RF Path Configuration with Option 029 on page 41 Verify Results The 3 5 mm short will be relocated...

Page 31: ...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 6 Port 7 Port 8 Port 9 Port...

Page 32: ...LR 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 6 Port 7 Port 8 Port...

Page 33: ...S200 S201 1 2 3 4 C 1 2 3 4 C S300 S301 1 2 3 4 C 1 2 3 4 C S400 S401 1 2 3 4 C 1 2 3 4 C S100 S101 1 2 3 4 C 1 2 3 3 C S99 S1010 S1111 S1212 U3042AE12 RF Diagram Port 3 2 C A RCVR C IN Port 1 CPLR TH...

Page 34: ...y Italicized in parenthesis are menu paths for the B model analyzer Definitions for Specifications Specifications describe the warranted performance of calibrated instruments that have been stored for...

Page 35: ...capability To access the multiport application select Utility System Configure Multiport Capability OR Instrument Setup External Hardware Multiport Multiport Configuration 2 Select U3042AE12 16 Port S...

Page 36: ...ternal Test Set Control This menu will allow the physical Ports 1 thru 8 to be identified as any port for your convenience For example Port 5 can be re named Port 2 Select the Port Control down arrow...

Page 37: ...tes the port is the Receiver and the S LED indicates the port is the Source The B model analyzer provides an S Paramenter selection method by using the keypad For example to select S25 MEAS MEAS Enter...

Page 38: ...ation 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 Receivers Tab The S Parameter measureme...

Page 39: ...fore calibrating This is slower than the Analog Sweep but is more accurate due to the extra electrical length of the Test Set and test port cables Stepped Sweep is available on all models 1 On the ana...

Page 40: ...N52xxB Models 1 Select Sweep Sweep Setup Timing 2 Select Timing tab 3 Select Sweep Mode Stepped 4 Deselect Time Auto Sweep Time 5 Set Dwell Time Apply OK Figure 32 Sweep Setup N52xxB 40 U3042AE12 Use...

Page 41: ...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 User Preset Off the analyze...

Page 42: ...UT This removes the effect on the measurement of the DUT Failure to do this will create ripple and other measurement errors If measurement errors occur ensure the newest version of firmware is install...

Page 43: ...rd prompts and click Measure after each connection The electrical delay value may be shown in the dialog box after the last measurement click OK 5 At the Calibration Completed prompt select Save As Us...

Page 44: ...Auxiliary I O without the need of an external computer Refer to analyzer s Help menu Rear Panel Tour and Interface Control A unique set of control data can be sent for each channel In addition a uniqu...

Page 45: ...t Setup Internal Hardware Interface Control in the drop down menu and select Enable Interface Control The analyzer includes the Interface Control application and rear panel connection Please review th...

Page 46: ...rol 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 PNA Used to control your test se...

Page 47: ...and 7 Specifies a wait time in milliseconds after all commands to all interfaces are sent Any positive integer is allowed This is used to allow all external devices to settle before beginning a measur...

Page 48: ...p menu Overview of the SCPI Control The Command Processor allows you to send address and data to control an external test set without needing to create a remote program The user is required to manuall...

Page 49: ...m Configure SICL GPIB SCPI OR System System Setup Remote Interface SCPI Monitor Input Show SCPI Parser Console 2 Check the SCPI Command Processor Console box Figure 39 Figure 40 Command Console for A...

Page 50: ...the PNA X S parameter values Method 1 provides more PNA X control capability than Method 2 The following example shows two executable commands needed to create an S parameter measurement on your Mult...

Page 51: ...an be controlled with the specific Address and Data values Each Address and Data value pair sets the Source or Receiver switch paths For an S parameter measurement two pairs of Address and Data values...

Page 52: ...and in SCPI Control Mode on page 48 Refer to Figure 43 on page 53 If the ports have different addresses two separate address data commands must be used Port 5 is the Source and Port 14 is the Receive...

Page 53: ...0 14 32 Ports 4 7 11 15 4 7 11 15 64 Ports 2 8 12 16 2 8 12 16 Port 3 2 C A RCVR C IN Port 1 CPLR THRU SOURCE OUT RCVR A IN CPLR ARM Keysight 4 Port PNA NOTE PNA PNA X Port orientation is shown PNA L...

Page 54: ...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 Refer to Figure 4...

Page 55: ...ine 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 pin 14 8 Lin...

Page 56: ...illustrates an example of the connection between the DUT and the test set using the internal DC power supply Connect pin 12 to pin 13 and pin 14 to pin 15 to provide the ground path Connect the contro...

Page 57: ...t 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 power supply 2 Turn...

Page 58: ...e used The address value is always 112 Table 15 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...

Page 59: ...alues Listed are two examples to illustrate this concept Refer to Figure 45 on page 56 shown with all lines logic high To change lines 1 8 to equal logic Low all others logic high 1 Line 1 address 112...

Page 60: ...des an equipment list and setup of the network analyzer and test set Table 16 Equipment List Description Qty N4691A 3 5 mm ECal Module 10 MHz to 26 5 GHz Option 00F or M0F or N4691B 3 5 mm ECal Module...

Page 61: ...rmance Refer to Table 17 and Table 18 below Table 17 PNA L Reflection Tracking Limitsa a Reflection Tracking takes into account Source Loss Receiver Loss Margin and PNA Mixer Cal Frequency Standard Po...

Page 62: ...will find Cal Sets with these names 4 Verify that the network analyzer is in Multiport mode See the bottom of the measurement window a If only four S Parameters are listed select Utility System Confi...

Page 63: ...owing 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 right sid...

Page 64: ...Cal Set Viewer tool bar Select Response Cal Manage Cals Cal Set Viewer OR Response Cal Cal Sets Cal Kits Cal Set Viewer On Off Figure 49 Calibration Cal Set Viewer 10 From the Cal Sets drop down menu...

Page 65: ...X Figure 52 Option 001 or 002 Reflection Tracking Port 5 16 with PNA or PNA X Response from 10 MHz to 500 MHz is normal due to the PNA X couplers in comparison to the test set bridges The bridges hav...

Page 66: ...X Figure 54 Reflection Tracking Trace Port 5 16 with PNA or PNA X 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...

Page 67: ...Figure 55 Option 001 or 002 Reflection Tracking Port 1 16 with PNA L Figure 56 Standard Reflection Tracking Port 1 16 with PNA L U3042AE12 User s and Service Guide 67...

Page 68: ...f a 1 Port calibration performed with mechanical standards or an ECal module To perform this check the test port of the ECal module must connect directly to the Test Port being verified without adapte...

Page 69: ...ic Discharge Protection Electrostatic discharge ESD can damage or destroy electronic components The product is shipped in materials that prevent damage from static and should only be removed from the...

Page 70: ...132 Test Set Locking Feet to a PNA L 5063 9253 Test Set I O Cable N4011 21002 Fan rear panel 87050 60027 Fan Deck 87075 60021 Table 19 Available Replacement Parts SPO Port 1 CPLR ARM U3042 20029 Port...

Page 71: ...times Table 20 Replacement Parts E12 Description Keysight Part Number U3042AE12 User s and Service Guide U3042 90001 LED Status Board N5261 63005 LED Status Ribbon Cable N5261 60001 Switch Interface...

Page 72: ...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 6 Port 7 Port 8 Port 9 Port 10 Port 11 Port 12 Po...

Page 73: ...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 6 Port 7 Port 8 Port 9 Port 10 Port 11 Port 12 Port 13...

Page 74: ...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 6 Port 7 Port 8 Port 9 Port 10 Port 11 Port 12 Port 13...

Page 75: ...ath is typically 4 dB at 26 5 GHz Do not use excessive RF power or DC voltage or damage may occur to the internal resistors Test Set Control Board The Test Set Control Board N5261 63006 is a surface m...

Page 76: ...ceivers Switch Paths S101 Receiver to Ports 1 5 9 and 13 Switch 101 provides control of the Receiver path to Port 1 5 9 and 13 In the state shown in the block diagram switch 101 routes the Coupler Arm...

Page 77: ...test set is addressed by the network analyzer 2 Turn on the Standby Switch a The rear panel Deck and Internal power supply fans should be operational If not continue with step 3 3 AC Line voltage che...

Page 78: ...e ON LED Frt Pnl J16 J5 FAN J15 Std By FS1 AC IN PCB7 Ports 8 12 16 LED Frt Pnl J6 J7 J8 PCB6 Ports 7 11 15 LED Frt Pnl PCB5 Ports 6 10 14 LED Frt Pnl PCB4 Ports 5 9 13 LED Frt Pnl S201 S300 S301 S401...

Page 79: ...e Controller Status LEDs are on and the front panel Active LED is on suspect the front panel LED boards or the ribbon cables Replace as needed 6 Control Lines are not working a Verify that the control...

Page 80: ...eated the switch port status LED will indicate which switch port is being selected Refer to RF Switching Path Test below b If the LEDs on the Switch are off when that switch is selected verify that th...

Page 81: ...x The addrs data entries noted in the following Test Instructions table will be used to configure the RF switches for this testing After making your entry select OK to execute the command to return ba...

Page 82: ...Source IN to Port 5a 0 2 P5 CPLR S100 See Figure 64 below 2 Source IN to Ports 9 0 4 P13 CPLR S100 3 Source IN to Port 13 0 8 P5 CPLR S100 4 Source IN to Port 6 16 2 P6 CPLR S200 5 Source IN to Port10...

Page 83: ...5 CPLR S101 Figure 65 below 2 RCVR OUT to Ports 9 0 64 P9 CPLR S101 3 RCVR OUT to Port 13 0 128 P13 CPLR S101 4 RCVR OUT to Port 6 16 32 P6 CPLR S201 5 RCVR OUT to Port10 16 64 P10 CPLR S201 6 RCVR OU...

Page 84: ...to CPLR ARM Path Response Table 24 Source Bypass Signal Path Connections and Commands Path Test Port Group RF Path Description Control Mode Address Data Path Components 1 Port 5 9 13 Source IN to CPL...

Page 85: ...n and that the center pins are not damaged 2 Verify the interface and internal RF cables are cleaned and not damaged Refer to Verifying Cal Kit Operational Check Failure on page 68 3 Review the Cal Ki...

Page 86: ...P1 Active LED DUT Control Ribbon Cable J9 DUT Controller Board Power Supply Wire Harness J11 14 Power Supply Table 27 Switch Interface Board Switch Interface Board Connection Switch Interface Board Co...

Page 87: ...Figure 67 Top View DUT Control Bd Coupler Bridge x4 Quad Switch x4 Switch Interface Bd top Bd Control Bd bottom Bd 401 301 201 101 U3042AE12 User s and Service Guide 87...

Page 88: ...Figure 68 Bottom View Quad Switch x4 Fuse x2 Fan Power Supply Line Module 100 200 300 400 88 U3042AE12 User s and Service Guide...

Page 89: ...ains plug shall be only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the prod...

Page 90: ...nstrument When installing the product in a cabinet the convection into and out of the product must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating...

Page 91: ...l shock do not remove covers The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front pan...

Page 92: ...prevent electrical shock disconnect the U3042AE12 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 cl...

Page 93: ...uired by EU directives applicable to our product The CSA mark is a registered trademark of the CSA International This is a symbol of an Industrial Scientific and Medical Group 1 Class A product CISPR...

Page 94: ...stic Statement European Machinery Directive Accoustical noise emission LpA 70 dB Operator position Normal operation mode Per ISO 7779 Declarations of Conformity To find a current Declaration of Confor...

Page 95: ...NT Keysight Technologies reserves the right to reformat or replace the internal hard disk drive in your analyzer as part of its repair This will erase all user information stored on the hard disk It i...

Page 96: ...This information is subject to change without notice Keysight Technologies 2007 2019 Edition 6 March 2019 Supersedes March 2019 U3042 90001 www keysight com...

Reviews: