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Chapter 3 System Overview
Plug-in Modules Overview
4
3
44471D 20-Channel GP
Relay Module
1 Latching The 20 independent SPST (Single-
pole Single-throw) relays provide
quality connections for low level
signals. Can also switch signals up to
250V, 1A.
44475A Breadboard
Module
1 NA Use the breadboard for custom circuits
and special purpose functions in your
test system.
44476A 3-Channel 18
GHz Switch
Module
1 Latching The 3 independent 50Ω SPDT (Single-
pole Double-throw) coaxial switches
with SMA connectors provide high
isolation, low insertion loss, and low
VSWR for switching signals up to
18 GHz.
44476B 2-Channel
Microwave
Switch Module
1 NA Similar to the 44476A but does not
have the coaxial switches installed.
A variety of coaxial switches can be
mounted onto the module to provide
3-, 4-, or 5-port switching up to
26.5 GHz.
44477A 7-Channel
Form-C Relay
Module
1 Latching 7 independent, break-before-make,
SPDT Form-C relays for general
purpose switching and control of
external devices up to 250V, 2A.
Model
Number
Module Name
Mainframe
Slots
Required
Relay
Type
Description