Keysight X series User manual

N9042B

4 GHz Analysis Bandwidth

Option B14, B16 and B17

X-Series Signal Analyzer

INSTALLATION NOTE

Notices

The information contained in this document is subject to change without notice.

Keysight Technologies makes no warranty of any kind with regard to this material, including but

not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Keysight Technologies shall not be liable for errors contained herein or for incidental or

consequential damages in connection with the furnishing, performance, or use of this material.

Manual Part Number

N9042-90010

Edition

Edition 1, February 2023

Supersedes: none

Printed in USA

Published by:

Keysight Technologies, Inc.

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

Installation Note N9042-90010 3

Option B14, B16 and B17 – 4 GHz Analysis Bandwidth

This document provides detailed instructions for the installation of the 4 GHz Analysis Bandwidth

upgrades for the N9042B UXA Signal Analyzer.

Please be sure to read this entire document before attempting to perform this upgrade. Then, be

sure to perform the steps in this procedure in the order that they are listed so that the installation

will complete properly, and the instrument will function as desired when completed.

Compatibility

This instrument option is compatible with all revisions of the instrument hardware and firmware.

However, it is always recommended that the instrument firmware revision be updated after the

hardware installation process is completed.

Instrument Calibration

Since parts in the signal path of the instrument will be replaced and a new major assembly will be

added, a complete performance verification of the instrument will be required in order to ensure

that it meets its published specifications once this upgrade is completed.

Products Affected: UXA N9042B

To Be Performed By: (X) Keysight Service Center

( ) Advanced User

()User

Estimated Installation Time:

Estimated Adjustment Time:

Estimated Verification Time:

3.0 Hours

2.0 Hours

4.0 Hours

4Installation Note N9042-90010

What You Will Find in this Document

ESD Information............................................................................................................ page 5

Upgrade Contents ........................................................................................................ page 7

Tools Required .............................................................................................................. page 9

Initial Instrument Functionality Check ........................................................................ page 9

License Key Retrieval and Installation ........................................................................ page 9

A23 IF Mux Revision Check....................................................................................... page 10

Upgrade Instructions................................................................................................. page 11

Hardware Disassembly ........................................................................................... page 11

ODI Cable Installation............................................................................................. page 16

Reinstall A21 Wideband Digital IF......................................................................... page 20

A22 Ultra-Wideband Analog IF Installation .......................................................... page 21

Reinstall Chassis Rear Brace ................................................................................. page 27

SW5 Direct Digitization Switch Installation.......................................................... page 29

Instrument Button Up............................................................................................. page 33

FPGA Synchronization............................................................................................ page 34

Adjustments and Performance Verification.............................................................. page 35

Manual Procedures Required................................................................................. page 35

Automated Utilities Required................................................................................. page 35

Automated Adjustments Required ........................................................................ page 35

Automated Performance Verification Testing Required ....................................... page 35

Installation Note N9042-90010 5

ESD Information

Protection from Electrostatic Discharge

Electrostatic discharge (ESD) can damage or destroy electronic components. All work on electronic

assemblies should be performed at a static-safe workstation. Figure 1 shows an example of a

static-safe workstation using two types of ESD protection:

— Conductive table-mat and wrist-strap combination.

— Conductive floor-mat and heel-strap combination.

Both types, when used together, provide a significant level of ESD protection. Of the two, only the

table-mat and wrist-strap combination provides adequate ESD protection when used alone. To

ensure user safety, the static-safe accessories must provide at least 1 megohm of isolation from

ground.

Figure 1 Example of a Static-Safe Workstation

These techniques for a static-safe workstation should not be used when working on circuitry

with a voltage potential greater than 500 volts.

6Installation Note N9042-90010

ESD Information

Handling of Electronic Components and ESD

The possibility of unseen damage caused by ESD is present whenever components are transported,

stored, or used. The risk of ESD damage can be greatly reduced by paying close attention to how all

components are handled.

— Perform work on all components at a static-safe workstation.

— Keep static-generating materials at least one meter away from all components.

— Store or transport components in static-shielding containers.

Test Equipment Usage and ESD

— Before connecting any coaxial cable to an analyzer connector, momentarily short the center and

outer conductors of the cable together.

— Personnel should be grounded with a 1 megohm resistor-isolated wrist-strap before touching

the center pin of any connector and before removing any assembly from the analyzer.

— Be sure that all analyzers are properly earth-grounded to prevent build-up of static charge.

For Additional Information about ESD

For more information about preventing ESD damage, contact the Electrical Over

Stress/Electrostatic Discharge (EOS/ESD) Association, Inc. The ESD standards developed by this

agency are sanctioned by the American National Standards Institute (ANSI).

Always handle printed circuit board assemblies by the edges. This will reduce the possibility of

ESD damage to components and prevent contamination of exposed plating.

Installation Note N9042-90010 7

Upgrade Contents

Table 1 Upgrade Contents

Part

Number

Reference

Designator

Description Quantity

0515-0372 -- Screw-Machine w/Crest-Cup-Washer Panhead Torx-T10 M3X0.5 8mm-LG 2

0515-1946 -- Screw-Machine w/Patch Lock Flathead Torx-T10 M3X0.5 6mm-LG 40

0515-1992 -- Screw-Machine w/Crest-Cup-Washer Panhead Torx-T8 M2.5X0.45

20mm-LG

0515-2332 -- Screw-Machine w/Patch Lock Panhead Torx-T10 M3X0.5 6mm-LG 4

1005-1377 -- Optical Cable Panel Mount Adapter 1

1400-0053 -- Screw-Mount Cable Clamp 2

1400-0249 -- Nylon Cable Tie 4

8121-0152 W112 Cable. Coax, A21 Wideband DIF J2 to A22 Ultra-Wideband AIF J14 1

8121-1401 W107 Cable, Coax, A16 Reference J711 to A21 Wideband DIF J5 1

8121-2290 W114 Cable, Coax, A22 Ultra-Wideband AIF J6 to A2 25 MHz Analog IF J300 1

8121-2607 W113 Cable, Coax, A21 Wideband DIF J3 to A22 Ultra-Wideband AIF J15 1

8121-3405 W140 Cable, Optical Receiver, A21 Wideband DIF J1005/1007 to Optical Adapter 1

8121-3407 W130/1/2 Cable, Twinax, A22 Ultra-Wideband AIF J1 to A21 Wideband DIF 3

9135-6665 FL4 Filter, Bandpass Gain Equalizer, 6 GHz - 8 dB 1

N1810-60102 SW5 Switch, 3-Port SPDT, Direct Digitization 1

N9040-00096 -- Optical Cable Bracket 1

N9040-65170 A22 Ultra-Wideband Analog IF 1

N9041-20131 W77 Cable, Semi-Rigid, A23 IF Mux J36 to A22 Ultra-Wideband AIF J10 1

N9041-20132 W55 Cable, Semi-Rigid, A23 IF Mux J25 to A22 Ultra-Wideband AIF J9 1

N9041-20154 -- ODI Heatsink 1

N9041-20165 W43A Cable, Semi-Rigid, A11 Band Switch P1 to SW5 Direct Digitization Switch

Port C

N9041-20166 W43B Cable, Semi-Rigid, SW5 Direct Digitization Switch PI to A13 Narrowband

Downconverter J2

N9041-20167 W44 Cable, Semi-Rigid, SW5 Direct Digitization Switch PII to A23 IF Mux J34 1

N9041-20168 W55 Cable, Semi-Rigid, A23 IF Mux J25 to FL4 Bandpass Gain Equalizer Input 1

N9041-20169 W56 Cable, Semi-Rigid, FL4 Bandpass Gain Equalizer Output to A22

Ultra-Wideband AIF J9

8Installation Note N9042-90010

Upgrade Contents

This upgrade kits includes enough parts so that all versions of the N9042B instrument can be

successfully upgraded with the 4 GHz Analysis Bandwidth option. Because of that, there will be

some parts that will not be needed. The main determinator for this is the version of the A23 IF Mux

assembly in the instrument. Instruments with the latest version of the A23 IF Mux will not require

the 9135-6665 Gain Equalizer and the semi-rigid cable required for it.

N9041-60185 W24 Cable, Wire Harness, A18 MIMM Carrier J17 to SW5 Direct Digitization

Switch

9030-0000 -- License Entitlement Certificate 1

N9041-90010 -- Installation Note 1

Table 1 Upgrade Contents

Part

Number

Reference

Designator

Description Quantity

Installation Note N9042-90010 9

Tools Required

— TORX Driver, T-8

— TORX Driver, T-10

— TORX Driver, T-20

—Multi-BitTorqueDriver

— 5/8" Nut Driver

— 5/16" Wrench

— Modified 5/16” Socket (N5191-20299)

Initial Instrument Functionality Check

Power on the instrument and allow it to complete its boot up process. Verify that there are no

instrument messages that would indicate that there is an issue with either the instrument hardware

or software. If there are any issues, investigate and fix the problem before continuing with this

upgrade.

License Key Retrieval and Installation

1. Follow the instructions on the enclosed License Entitlement Certificate to redeem the new

option license key for the instrument being upgraded.

2. Once the new license keys have been redeemed follow the installation instructions that come

with the license file to install it into the instrument.

3. Verify that the license has been installed by pressing System, Show System and verify that the

R40, R20, R15 and R10 options are present in the listed options.

10 Installation Note N9042-90010

A23 IF Mux Revision Check

While the instrument is still powered on check to see what version of the A23 IF Mux is installed in

the instrument by pressing System, Show Hardware. Find the IF Mux-10GHz entry, as seen in

Figure 2, and record the Part # below.

Figure 2 Hardware Information Screen - A23 IF Mux

A23 IF Mux Part Number Installed: ___________________

Use the part number of the assembly to determine which configuration the instrument has:

If the A23 IF Mux is part number N9041-60163 or N9041-60193, the instrument is

Configuration A.

If the A23 IF Mux is any other part number, the instrument is Configuration B.

The instrument configuration will be used when it comes to installing the parts needed to connect

the 4 GHz bandwidth output of the A23 IF Mux to the input of the new A22 Ultra-Wideband Analog

IF assembly.

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