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Model
Module Name
Number
44471D
20-Channel GP
Relay Module
3
44475A
Breadboard
Module
44476A
3-Channel 18
GHz Switch
Module
44476B
2-Channel
Microwave
Switch Module
44477A
7-Channel
Form-C Relay
Module
Chapter 3 System Overview
Plug-in Modules Overview
Mainframe
Slots
Required
1
1
1
1
1
62
Relay
Description
Type
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.
NA
Use the breadboard for custom circuits
and special purpose functions in your
test system.
Latching
The 3 independent 50 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.
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.
Latching
7 independent, break-before-make,
SPDT Form-C relays for general
purpose switching and control of
external devices up to 250V, 2A.
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