Keysight N9021B MXA Quick start guide
Option EXM, External Mixing Upgrade Kit
Keysight Technologies
N9021B MXA Signal Analyzer
Installation Note
Notices
© Copyright 2021 Keysight Technologies, Inc.
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
N9021-90004
Edition
Edition 1, January 2021
Printed in USA/Malaysia
Published by:
Keysight Technologies, Inc.
1400 Fountaingrove Parkway
Santa Rosa, CA 95403
Installation Note N9021-90004 3
Option EXM, External Mixing Upgrade Kit
Option EXM, External Mixing Upgrade Kit
Software and test equipment is required for making adjustments and for performance verification
testing.
Information on how to obtain this software can be found at:
www.keysight.com/find/calibrationsoftware
While Keysight does recommend that a full calibration be performed after the installation of this
upgrade, the end user must ultimately determine whether they want this service or not. If a full
calibration is required, arrangements regarding the level of calibration must be made between the
end user and the calibration provider.
Introduction
This kit includes parts to upgrade a N9021B MXA signal analyzer to add Option EXM, External
Mixing. This kit includes parts to upgrade a MXA regardless of frequency range option installed.
In addition to installing the hardware to support Option EXM, a license for the following option will
also be installed:
— N9021B-EXM, External Mixing
Products Affected: N9021B MXA
Serial Numbers: All
To Be Performed By: (X) Keysight Service Center
(X) Personnel Qualified by Keysight
( ) Customer
Estimated Installation Time:
Estimated Adjustment Time:
Estimated Verification Time:
1.5 Hours
1.0 Hoursa
4.0 Hoursa
a.To ensure that these newly installed options are functioning properly, the procedure that follows includes the
requirement of performing certain adjustments and performance verification tests. However, the completion of
these tests does not guarantee that the instrument meets all advertised specifications.
4Installation Note N9021-90004
Option EXM, External Mixing Upgrade Kit
Installation Kit Parts List
Quantity Description Keysight Part Number
1 Adapter- Coaxial Straight Female-SMA to Female-SMA, 50W 1250-1666
1 Washer, Lock, Internal Tooth, ¼ inch 2190-0067
1 Nut-Hex-Double-Chamfer 1/4-36-THD.125-IN-THK, Stainless Steel 2950-0223
1 50 Ohm Termination, SMA male 1810-0118
1 Opt EXM Cable Kit with Wire Markers (includes cable W30, listed below) N9021-60006
1 Cable Assembly, External Mixing, Front Panel (W29) N9020-20166
1 Cable Assembly, mmW Front End to W29 (W17) (for use in millimeter wave
analyzers)
N9020-20167
1 Cable Assembly, Coaxial 275 mm LG (W30) (for use in millimeter wave
analyzers) 8121-2025awith ends
labeled ‘903’ and ‘13’
a.This cable is included in the Opt EXM Cable Kit with Wire Markers, p/n N9021-60006.
1 Label, Warning N9030-80018
14 Screw, M3 x 0.5, (6 mm long), flat head 0515-1946
5 Cable Ties 1400-0249
1 Entitlement Certificate 5964-5178
1 Entitlement Certificate Envelope 5967-7169
1 Installation Note This note
Installation Note N9021-90004 5
Option EXM, External Mixing Upgrade Kit
Tools Required
— T-10 TORX Driver
— T-20 TORX Driver
— 5/16-inch torque wrench
— ¼-inch open-end wrench
—Diagonalcutters
— Keysight Calibration and Adjustment Software, N7814A (revision E.25.00 or later)
— Test equipment and computer supported by the X- Series Performance Tests and Adjustment
Software
— N9021B MXA Signal Analyzer Service Guide, N9021-90002.
— Microsoft Windows based personal computer with internet access and USB port
— USB storage device with > 4 GB free memory
Initial Instrument Functionality Check
Power on the instrument and allow the instrument to boot up. Run an alignment and display the
measurement screen. (The instrument will probably display a spectrum analyzer screen and you will
see the instrument sweeping.)
There should be no alignment failures. If there are failures, investigate and fix the problem before
continuing.
Before you disassemble the instrument, turn the power switch to Standby. After the instrument
has completely shut down, unplug the instrument. Failure to unplug the instrument can result in
personal injury.
Electrostatic discharge (ESD) can damage or destroy electronic components. All work on
electronic assemblies should be performed at a static-safe workstation. Refer to the
documentation that pertains to your instrument for information about static-safe workstations
and ordering static-safe accessories.
6Installation Note N9021-90004
Option EXM, External Mixing Upgrade Kit
Analyzer Disassembly
1. Disconnect the instrument from ac power.
2. Refer to Figure 1. Using the T-20 driver, remove the 4 screws (1) (two on each side) that
attach the handle strap (2) on each side of the instrument.
3. Remove the four key locks from the instrument four bottom feet.
4. Remove the four instrument bottom feet (6).
5. Using the T-20 driver, remove the four screws (including washers) (3) that hold the rear feet
(4) in place.
6. Pull the instrument cover (5) off towards the rear of the instrument.
Figure 1 Instrument Outer Case Removal
If the instrument is placed on its face during any of the following procedures, be sure to use a soft
surface or soft cloth to avoid damage to the front panel, keys, or input connector.
Make sure any adapters on the front panel are removed.
Installation Note N9021-90004 7
Option EXM, External Mixing Upgrade Kit
Top Brace Removal
Refer to Figure 2. To remove the top brace (1), use the T-10 driver to remove the twelve screws (3)
(0515-0372) attaching the top brace to the chassis. Remove the wire hold down 1 (as shown in
Figure 3). Remove and discard the 14 screws (15 screws with Option B5X) (4) (0515-1946)
attaching the top brace to the boards.
Figure 2 Top Brace Removal
8Installation Note N9021-90004
Option EXM, External Mixing Upgrade Kit
Figure 3 Wire Hold Downs
Installation Note N9021-90004 9
Option EXM, External Mixing Upgrade Kit
Front Frame Assembly Removal
1. Refer to Figure 4. Using the T-10 driver, remove the eight screws (1) (0515-1035), four on
each side, to detach the Front Frame Assembly from the chassis.
2. Refer to Figure 5. Pull the Front Frame Assembly carefully away from the chassis. Remove the
ribbon cable W1 from the motherboard. The cable has locking tabs on each side, pinch and
pull to release.
Figure 4 Front Frame Removal
Make sure any connectors on the front panel are removed.
W1 may have locking springs on each side. Depress the spring on each side of the connector to
remove from the motherboard.
10 Installation Note N9021-90004
Option EXM, External Mixing Upgrade Kit
Figure 5 Front Panel Cable
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