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The HP (Agilent) 3488A is a GPIB-programmable switch/control mainframe that holds up to five plug-in switch and control modules (relay multiplexers, matrix switches, digital I/O, and more), supporting up to 50 channels and DC-to-26.5 GHz signal switching depending on installed modules — a staple of automated test systems for multi-channel measurement and control.
Key specs:
Holds up to 5 switch/control modules
Up to 50 channels
GPIB (HP-IB) programmable
40 configuration storage registers
Compatible modules: relay multiplexers, matrix switches, digital I/O, VHF/microwave switches, and more
Tested and confirmed working. Shown as it will ship — see photos for exactly what's included (mounting brackets, installed cards).
