3
Keysight Add 4-Port Capability Upgrade Kit
Upgrade Kit Number: N5222-60131
Installation Note
Description of the Upgrade
This upgrade converts your N5221B or N5222B Option 220 2-port analyzer to
a N5221B or N5222B Option 420 4-port analyzer by adding:
— a x4 direct digital synthesizer (DDS) assembly
— an additional source
—an additional mixer brick
— two additional test port couplers
— two additional receiver couplers
— two additional source attenuators
— two additional receiver attenuators
—a splitter
— a modified front panel
—an additional cable guard
—LFE bias tee combiners
— PC assembly, low frequency extension (LFE)
— new cables
Refer to “Overview of the Installation Procedure” on page 15.
This repair must be done at a service center or a self-maintainer service
center! Refer to “Getting Assistance from Keysight” on page 4.
This upgrade kit is for upgrading 2-port Option 220 models with (x2) direct
digital synthesis (DDS) to a 4-port Option 420 with DDS only.
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