Keysight N5232A Option 200 Installation and operation manual

Keysight Add Configurable
Test Set and Source
Attenuators Upgrade Kit
Installation Note
To Upgrade PNA N5231A, N5232A, or N5239A
Option 200 to Option 216
Upgrade Kit Order Numbers: N5231AU-216,
N5232AU-216, or N5239AU-216
Keysight Kit Number: N5232-60101

Installation Note N5232-90101 1

2 Installation Note N5232-90101
WARRANTY STATEMENT
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 WILL CONTROL.
DFARS/Restricted Rights Notice
If software is for use in the performance of a U.S. Government prime contract or subcontract, Software is
delivered and licensed as “Commercial computer software” as defined in DFAR 252.227-7014 (June 1995), or
as a “commercial item” as defined in FAR 2.101(a) or as “Restricted computer software” as defined in FAR
52.227-19 (June 1987) or any equivalent agency regulation or contract clause. Use, duplication or disclosure of
Software is subject to Keysight Technologies’ standard commercial license terms, and non-DOD Departments
and Agencies of the U.S. Government will receive no greater than Restricted Rights as defined in FAR 52.227-
19(c)(1-2) (June 1987). U.S. Government users will receive no greater than Limited Rights as defined in FAR
52.227-14 (June 1987) or DFAR 252.227-7015 (b)(2) (November 1995), as applicable in any technical data.
Safety Notes
The following safety notes are used throughout this document. Familiarize yourself with each of these notes
and its meaning before performing any of the procedures in this document.
WARNING Warning denotes a hazard. It calls attention to a procedure which, if not correctly performed
or adhered to, could result in injury or loss of life. Do not proceed beyond a warning note
until the indicated conditions are fully understood and met.
CAUTION Caution denotes a hazard. It calls attention to a procedure that, if not correctly performed or
adhered to, could result in damage to or destruction of the instrument. Do not proceed beyond
a caution note until the indicated conditions are fully understood and met.

Installation Note N5232-90101 3
Description of the Upgrade
This upgrade adds the following items to your N5231A Option 200, N5232A Option 200, or N5239A Option 200
network analyzer:
• 60 dB source step attenuators with brackets and wire harnesses
• front panel jumpers
• cable guards for front panel jumpers
• front panel overlay replacement
•newcables
After installation of this upgrade, your analyzer will be an N5231A Option 216, N5232A Option 216, or N5239A
Option 216.
Getting Assistance from Keysight
By internet or phone, get assistance with all your test and measurement needs.
Contacting Keysight
Assistance with test and measurements needs and information on finding a local Keysight office are available
on the Web at:
http://www.keysight.com/find/assist
If you do not have access to the Internet, please contact your Keysight field engineer.
NOTE In any correspondence or telephone conversation, refer to the Keysight product by its model
number and full serial number. With this information, the Keysight representative can
determine whether your product is still within its warranty period.
If You Have Problems With the Upgrade Kit Contents
Keysight stands behind the quality of the upgrade kit contents. If you have problems with any item in the kit,
email Keysight Component Test Division (CTD) Support at [email protected], or telephone the
CTD Hotline at [phone] and leave a voice mail message. Please include details of the problem.

4 Installation Note N5232-90101
Getting Prepared
CAUTION The PNA contains extremely sensitive components that can be ruined if mishandled. Follow
instructions carefully when making cable connections, especially wire harness connections.
The person performing the work accepts responsibility for the full cost of the repair or
replacement of damaged components.
To successfully install this upgrade kit, you will need the following:
• A license key - refer to “License Key Redemption” below.
• A PDF copy or a paper copy of the PNA Service Guide - refer to “Downloading the Online PNA Service
Guide” below.
• An ESD-safe work area - refer to “Protecting Your Workspace from Electrostatic Discharge” below.
• Correct tools - refer to “Tools Required for the Installation” on page 6.
• Enough time - refer to “About Installing the Upgrade” on page 6.
• Test equipment for the post-upgrade adjustments and full instrument calibration. To view the equipment
list, click the Chapter 3 bookmark “Tests and Adjustments” in the PDF Service Guide1.
License Key Redemption
NOTE The enclosed Option Entitlement Certificate is a receipt, verifying that you have purchased a
licensed option for the PNA of your choice. You must now use a Keysight Web page to request
a license key for the instrument that will receive the option.
To enable the option product, you must request a license key from: http://www.keysight.com/find/
softwarelicense. To complete the request, you will need to gather the following information:
• From the certificate
❏Order number
❏Certificate number
• From your instrument
❏Model number
❏Serial number
❏Host ID
The instrument information is available on the network analyzer – on the analyzer’s Help menu, click About
Network Analyzer.
If you provide an email address, Keysight will promptly email your license key. Otherwise, you will your receive
your license key via postal mail.
1. See “Downloading the Online PNA Service Guide” on page 5.

Installation Note N5232-90101 5
Downloading the Online PNA Service Guide
To view the online Service Guide for your PNA model number, use the following steps:
1. Go to www.keysight.com.
2. In the Search box, enter the model number of the analyzer (Ex: N5232A) and click Search.
3. Click Technical Support > Manuals.
4. Click Service Manual.
5. Click the service guide title to download the PDF file.
6. When the PDF of the Service Guide is displayed, scroll through the Contents section bookmarks to locate
the information needed.
Protecting Your Workspace from Electrostatic Discharge
For information, click on the Chapter 1 bookmark, “Electrostatic Discharge Protection” in the PDF Service
Guide1.
ESD Equipment Required for the Installation
1. See “Downloading the Online PNA Service Guide” on page 5.
Description Keysight Part Number
ESD grounding wrist strap 9300-1367
5-ft grounding cord for wrist strap 9300-0980
2 x 4 ft conductive table mat and 15-ft grounding wire 9300-0797
ESD heel strap (for use with conductive floors) 9300-1308

6 Installation Note N5232-90101
Tools Required for the Installation
CAUTION Use a 5/16-in torque wrench set to 10 in-lbs on all cable connections except the front panel
and rear panel bulkhead connectors. Torque these connections to 21 in-lb.
About Installing the Upgrade
Description Qty Part Number
T-10 TORX driver - set to 9 in-lbs (1.02 N.m) 1N/A
T-20 TORX driver - set to 21 in-lbs (2.38 N.m) 1N/A
5/16-in (8 mm) nutsetter or open end torque wrench - set to 10 in-lbs (1.13 N.m) 1N/A
Products affected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N5231A, N5232A, and N5239A Option 200
Installation to be performed by . . . . . . . . . . . . . . . . . . . . . . Keysight service center or personnel qualified by
Keysight
Estimated installation time . . . . . . . . . . . . . . . . . . . . . . . . . 2 hours
Estimated adjustment time . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 hour
Estimated full instrument calibration time . . . . . . . . . . . . . 4.5 hours

Installation Note N5232-90101 7
Items Included in the Upgrade Kit1
Check the contents of your kit against the following list. If any part is missing or damaged, contact Keysight
Technologies. Refer to “Getting Assistance from Keysight” on page 3.
1. In addition to the upgrade kit, the shipment includes an Option Entitlement Certificate. Refer to “License Key Redemption”
on page 4 for important information about this certificate.
Table 1 Contents of Upgrade Kit N5232-60101
Ref
Desig. Description Qty Part Number
-- Installation note (this document) 1N5232-90101
A29,
A30
Test port 1 source 60 dB step attenuator
Test port 2 source 60 dB step attenuator 233321-60082
-- Bracket (for A29 port 1 step attenuator) 1N5235-00013
-- Bracket (for A30 port 2 step attenuator) 1N5235-00012
-- Machine screw, M3 x 8, pan head (to attach brackets to step attenuators; to attach
attenuator assemblies to deck) 10 0515-0372
-- Cable clamp 14 1400-1334
-- Front panel overlay 1N5232-80005
-- Front panel jumper cable guard 2N5242-00029
-- Dust caps for test ports 21401-0214
W11 RF cable, A21 MASSY to A29 60 dB step attenuator 1N5232-20026
W12 RF cable, A21 MASSY to A30 test port 2 source attenuator 1N5232-20019
W13 RF cable, A29 60 dB step attenuator to PORT 1 SOURCE OUT 1N5232-20027
W14 RF cable, A30 test port 2 source attenuator to PORT 2 SOURCE OUT 1N5232-20020
W15 RF cable, A25 test port 1 bridge coupler (thru) to PORT 1 CPLR THRU 1N5232-20028
W16 RF cable, A26 test port 2 bridge coupler (thru) to PORT 2 CPLR THRU 1N5232-20021
W17 RF cable, A25 test port 1 bridge coupler (arm) to PORT 1 CPLR ARM 1N5232-20029
W18 RF cable, A21 MASSY to REF 1 SOURCE OUT 1N5232-20032
W19 RF cable, A21 MASSY to REF 2 SOURCE OUT 1N5232-20025
W20 RF cable, A26 test port 2 bridge coupler (arm) to PORT 2 CPLR ARM 1N5232-20022
W21 RF cable, A24 mixer brick to PORT 1 RCVR A IN 1N5232-20030
W22 RF cable, A24 mixer brick to REF 1 RCVR R1 IN 1N5232-20031
W23 RF cable, A24 mixer brick to REF 2 RCVR R2 IN 1N5232-20024
W24 RF cable, A24 mixer brick to PORT 2 RCVR B IN 1N5232-20023
W30 RF cable, front panel jumper 6N5222-20091

8 Installation Note N5232-90101
NOTE Extra quantities of items such as protective plastic caps, screws, cable ties, and cable clamps
may be included in this upgrade kit. It is normal for some of these items to remain unused after
the upgrade is completed.
-- Wire harness, A19 test set motherboard J8 to A29 60 dB step attenuator 1
8121-0982
-- Wire harness, A19 test set motherboard J6 to A30 test port 2 source attenuator 1
Table 1 Contents of Upgrade Kit N5232-60101
Ref
Desig. Description Qty Part Number

Installation Note N5232-90101 9
Installation Procedure for the Upgrade
The network analyzer must be in proper working condition prior to installing this option. Any necessary repairs
must be made before proceeding with this installation.
WARNING This installation requires the removal of the analyzer’s protective outer covers. The analyzer
must be powered down and disconnected from the mains supply before performing this
procedure.
Overview of the Installation Procedure
Step 1. Obtain a Keyword and Verify the Information.
Step 2. Remove the Outer Cover.
Step 4. Remove the Front Panel Assembly.
Step 5. Remove Some Existing Cables.
Step 6. Assemble the A29 and A30 Source Attenuator Assemblies.
Step 7. Install the A29 and A30 Source Attenuator Assemblies.
Step 8. Install the Cables.
Step 9. Secure the Hex Nuts on the Front Panel Bulkhead Connectors.
Step 10. Remove the Old Lower Front Panel Overlay.
Step 11. Reinstall Front Panel Assembly.
Step 12. Install the New Lower Front Panel Overlay.
Step 13. Install Front Panel Jumpers.
Step 15. Reinstall the Outer Cover.
Step 16. Enable Option 216.
Step 17. Perform Post-Upgrade Adjustments and Calibration.
Step 18. Prepare the PNA for the User.

10 Installation Note N5232-90101
Step 1. Obtain a Keyword and Verify the Information
Follow the instructions on the Option Entitlement Certificate supplied to obtain a license key for installation of
this upgrade. Refer to “License Key Redemption” on page 4.
Verify that the model number, serial number, and option number information on the license key match those of
the instrument on which this upgrade will be installed.
If the model number, serial number, or option number do not match those on your license key, you will not be
able to install the option. If this is the case, contact Keysight for assistance before beginning the installation of
this upgrade. Refer to “Contacting Keysight” on page 3.
Once the license key has been received and the information verified, you can proceed with the installation at
step 2.
Step 2. Remove the Outer Cover
For instructions, click the Chapter 7 bookmark “Removing the Covers” in the PDF Service Guide1.
Step 3. Remove the Inner Cover
For instructions, click the Chapter 7 bookmark “Removing the Covers” in the PDF Service Guide1.
Step 4. Remove the Front Panel Assembly
For instructions, click the Chapter 7 bookmark “Removing and Replacing the Front Panel Assembly” in the PDF
Service Guide1.
Step 5. Remove Some Existing Cables
NOTE Leave the gray flexible cables, the wire harnesses, and the ribbon cables connected where
possible. Any that are removed should be labeled for reconnection later.
NOTE Be careful not to damage the center pins of the semirigid cables. Some flexing of the cables
may be necessary but do not over-bend them.
NOTE When removing a cable, also remove the plastic cable clamp, if present. It is normal for some of
the cable clamp’s adhesive to remain.
1. Place the analyzer bottom-side up on a flat surface.
Remove the following cables. To see an image showing the location of these cables, click the Chapter 6
bookmark “Bottom RF Cables, Standard 2-Port Configuration, Option 200” in the PDF Service Guide1.
These RF cables may be discarded - they will not be reinstalled.
• W3 (N5232-20013) A21 MASSY to A25 test port 1 bridge coupler (thru)
1. See “Downloading the Online PNA Service Guide” on page 5.

Installation Note N5232-90101 11
• W5 (N5232-20016) A25 test port 1 bridge coupler (arm) to A24 mixer brick
• W6 (N5232-20014) A21 MASSY to A24 mixer brick
• W4 (N5232-20011) A21 MASSY to A26 test port 2 bridge coupler (thru)
• W8 (N5232-20015) A26 test port 2 bridge coupler (arm) to A24 mixer brick
• W7 (N5232-20012) A21 MASSY to A24 mixer brick
These cables must be saved - they will be reinstalled.
•W2 (N5232-20082) A21 MASSY to test set deck cable bracket
• W1 (top-side cable) (N5235-20040) A4 13.5 GHz Source Synthesizer board to test set deck cable bracket
•W10 (N5232-20081) A24 mixer brick to test set deck cable bracket
Step 6. Assemble the A29 and A30 Source Attenuator Assemblies
Refer to Figure 1 for this step of the procedure. New parts are listed in Table 1 on page 7.
1. Gather two source attenuators (33321-60082) and install a ribbon cable (8121-0982) on each.
2. Install bracket N5235-00013 on the port 1 source attenuator, and bracket N5235-00012 on the port 2 source
attenuator using two screws (0515-0372) with each bracket. Use a T-10 TORX driver set to 9 in-lbs to
tighten all screws.
Figure 1 Source Attenuator Assembly

12 Installation Note N5232-90101
Step 7. Install the A29 and A30 Source Attenuator Assemblies
Refer to Figure 2 for this step of the procedure. New parts are listed in Table 1 on page 7.
1. Install both source attenuator assemblies to the deck as shown, using two screws (0515-0372) with each
assembly. Use a T-10 TORX driver set to 9 in-lbs to tighten all screws.
Figure 2 Source Attenuators Installation
Step 8. Install the Cables
CAUTION Follow instructions carefully when making cable connections, especially wire harness
connections. Incorrect connections can destroy components, resulting in additional customer
costs.
CAUTION Be careful not to damage the center pins of the semirigid cables. Some flexing of the cables
may be necessary but do not over-bend them.
CAUTION Use a 5/16-in torque wrench set to 10 in-lbs on all cable connections except the front and rear
panel bulkhead connectors. On these, use a 9 mm nutsetter or open end torque wrench set to
21 in-lb.
Install the Semirigid Cables
To see an image showing the location of these cables, click the Chapter 6 bookmarks “Bottom RF Cables, 2-
Port Configuration, Option 216” in the PDF Service Guide1. New parts are listed in Ta ble 1 on page 7.

Installation Note N5232-90101 13
Install the following new cables in the order listed.
• W22 (N5232-20031) A24 mixer brick to REF 1 RCVR R1 IN
* As shown in Figure 3, install three cable clamps (part number 1400-1334) to secure W22 (part number
N5232-20031).
Figure 3 Location of Cable Clamps to Secure W19, W22, and W23
• W19 (N5232-20025) A21 MASSY to REF 2 SOURCE OUT
* As shown in Figure 3, install two cable clamps (part number 1400-1334) to secure W19 (part number
N5232-20025).
• W23 (N5232-20024) A24 mixer brick to REF 2 RCVR R2 IN
* As shown in Figure 3, install three cable clamps (part number 1400-1334) to secure W23 (part number
N5232-20024).
1. See “Downloading the Online PNA Service Guide” on page 5.

14 Installation Note N5232-90101
• W24 (N5232-20023) A24 mixer brick to PORT 2 RCVR B IN
• W20 (N5232-20022) A26 test port 2 bridge coupler (arm) to PORT 2 CPLR ARM
• W1 (reuse) (top-side cable) (N5235-20040) A4 13.5 GHz Source Synthesizer board to test set deck cable
bracket
• W16 (N5232-20021) A26 test port 2 bridge coupler (thru) to PORT 2 CPLR THRU
• W14 (N5232-20020) A30 test port 2 source attenuator to PORT 2 SOURCE OUT
• W2 (reuse) (N5232-20082) A21 MASSY to test set deck cable bracket
• W12 (N5232-20019) A21 MASSY to A30 test port 2 source attenuator
• W18 (N5232-20032) A21 MASSY to REF 1 SOURCE OUT
* As shown in Figure 4, install one cable clamp (part number 1400-1334) to secure W18 (part number
N5232-20032).
Figure 4 Location of Cable Clamps to Secure W18
• W21 (N5232-20030) A24 mixer brick to PORT 1 RCVR A IN
• W17 (N5232-20029) A25 test port 1 bridge coupler (arm) to PORT 1 CPLR ARM
• W15 (N5232-20028) A25 test port 1 bridge coupler (thru) to PORT 1 CPLR THRU
• W13 (N5232-20027) A29 60 dB step attenuator to PORT 1 SOURCE OUT
• W11 (N5232-20026) A21 MASSY to A29 60 dB step attenuator
• W10 (reuse) (N5232-20081) A24 mixer brick to test set deck cable bracket

Installation Note N5232-90101 15
Install the Wire Harnesses
To see an image showing the location of these wire harnesses, click the Chapter 6 bookmarks “Bottom Ribbon
Cables and Wire Harnesses, 2-Port, Option 216” in the PDF Service Guide1. New parts are listed in Ta b l e 1 on
page 7.
If not already done, connect these wire harnesses:
• 8121-0982 A19 test set motherboard J8 to A29 60 dB step attenuator
• 8121-0982 A19 test set motherboard J6 to A30 test port 2 source attenuator
Step 9. Secure the Hex Nuts on the Front Panel Bulkhead Connectors
Some of the new cables that were installed in the previous step connect to the front panel bulkhead. These
cables were shipped with hex nuts. If not already done, secure the cable connectors to the front panel
bulkhead with the hex nuts, torquing to 21 in-lbs.
Step 10. Remove the Old Lower Front Panel Overlay
Refer to Figure 5 for this step of the procedure. Although a 4-port PNA is shown in the graphic, the concept is
the same for the 2-port PNA. New parts are listed in Table 1 on page 7.
1. From the back side of the front panel, use a blunt object in the cutouts in the lower front dress panel to
push on the old overlay (item ①) and separate it from the front dress panel.
2. From the front side of the front panel, pull off the overlay completely and discard it.
3. Remove any adhesive remaining on the front panel.
1. See “Downloading the Online PNA Service Guide” on page 5.

16 Installation Note N5232-90101
Figure 5 Lower Front Panel Overlay Replacement

Installation Note N5232-90101 17
Step 11. Reinstall Front Panel Assembly
Refer to Figure 6 for this step of the procedure.
Figure 6 Front Panel Assembly Installation
Step 12. Install the New Lower Front Panel Overlay
Refer to Figure 5 on page 16 for this step of the procedure. Although a 4-port PNA is shown in the graphic, the
concept is the same for the 2-port PNA. New parts are listed in Table 1 on page 7.
1. Remove the protective backing from the new front panel overlay, N5232-80005 (item ➁).
2. Starting from either side, loosely place the overlay in the recess on the lower front panel, ensuring that it
fits tightly against the edges of the recess.
3. Once the overlay is in place, press it firmly onto the frame to secure it.

18 Installation Note N5232-90101
Step 13. Install Front Panel Jumpers
As shown in Figure 7, install 6 front panel jumper cables (part number N5222-20091). Torque to 10 in-lbs.
Figure 7 Front Panel Jumper Cables Installation
Step 14. Reinstall the Inner Cover
For instructions, click the Chapter 7 bookmark “Removing the Covers” in the PDF Service Guide1.
1. See “Downloading the Online PNA Service Guide” on page 5.

Installation Note N5232-90101 19
Step 15. Reinstall the Outer Cover
For instructions, click the Chapter 7 bookmark “Removing the Covers” in the PDF Service Guide1.
Step 16. Enable Option 216
Procedure Requirements
• The analyzer must be powered up and operating to perform this procedure.
• The Network Analyzer program must be running.
• A keyboard must be connected to the network analyzer.
Option Enable Procedure
1. To start the option enable utility, press UTILITY , then , then . An
option enable dialog box will appear.
2. Click the arrow in the Select Desired Option box. A list of available options will appear.
3. In the Select Desired Option list, click 216 - Configurable Test Set.
4. Using the keyboard, enter the license key in the box provided. The license key is printed on the the license
message you received from Keysight. Enter this key exactly as it is printed on the message.
5. Click Enable.
6. Click Yes in answer to the displayed question in the Restart Analyzer? box.
7. When the installation is complete, click Exit.
Option Verification Procedure
Once the analyzer has restarted and the Network Analyzer program is again running:
1. On the analyzer’s Help menu, click About Network Analyzer.
2. Verify that “216” is listed after “Options:” in the display. Click OK.
NOTE If Option 216 has not been enabled, perform the ”Option Enable Procedure” again. If the option
is still not enabled, contact Keysight Technologies. Refer to “Getting Assistance from Keysight”
on page 3.
1. See “Downloading the Online PNA Service Guide” on page 5.
System
Service
Option Enable