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Description of the Upgrade
IMPORTANT
In June 2013, the N5241A/AS and N5242A/AS analyzers underwent significant hardware changes.
Some components that have 2.4 mm connectors (bias tees, couplers, and some semi-rigid cables) were
replaced with components that have 3.5 mm connectors.
If your analyzer's serial number prefix is MY/SG/US5310 and below:
Your analyzer was originally shipped with 2.4 mm components. The 2.4 mm couplers and connecting
cables in your analyzer must be replaced with the new 3.5 mm items included in this kit.
If your analyzer's serial number prefix is MY/SG/US5321 and above:
Your analyzer was shipped with 3.5 mm components, so it is not necessary to replace the couplers and
connecting cables. These items are included in this kit, but will not be used for your upgrade. Set them
aside for possible use in the future.
Be very careful to use the appropriate hardware in your analyzer. Using the wrong hardware can ruin
analyzer components, resulting in additional customer costs.
This upgrade converts your N5241A or N5242A Option 200 2-port analyzer to a N5241A or N5242A Option 400 4-
port analyzer by adding:
• an additional 26.5 GHZ source board
• an additional 13.5 GHZ source synthesizer board
• an additional mixer brick
• two additional bridges
• four couplers
• a splitter
• a modified front panel, including 2 new test ports
• many new cables
Getting Assistance from Keysight
Installing this upgrade kit requires special skills and experience. If you think you may not be qualified to do the
work, or need advice, contact Keysight.
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.
Installation Note N5242-90115
3
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