Introduction to the Plug-In Modules for the 34980A
4
Keysight 34980A Mainframe User’s Guide
211
Available Modules, at a Glance
Module
Description
Max
volts
Max
Current
BW
(MHz)
Scan
ch/sec
Thermal
Offset
Comments
Multiplexer Modules
34921A
40-channel armature multiplexer
w/low thermal offset
±300V
1A
45 MHz 100
<3
μ
V
Temperature
reference
4 current channels
Config as 2- or 4-wire
34922A
70-channel armature multiplexer
±300V
1A
25 MHz 100
<3
μ
V
Config as 2- or 4-wire
34923A
40/80-channel reed multiplexer
±150V
0.5A
45 MHz 500
<50
μ
V
Config as 1-, 2- or
4-wire
34924A
70-channel reed multiplexer
±150V
0.5A
25 MHz 500
<3
μ
V
Config as 2- or 4-wire
34925A
40-channel optically isolated
FET multiplexer
±80V
0.02A
1 MHz
1000
<3
μ
V
Config as 1-, 2- or
4-wire
Matrix Modules
34931A
Dual 4x8 armature matrix
±300V
1A
30 MHz 100
<3
μ
V
Backplane expandable
34932A
Dual 4x16 armature matrix
±300V
1A
30MHz 100
<3
μ
V
Backplane expandable
34933A
Dual/Quad 4x8 reed matrix
±150V
0.5A
30 MHz 500
<50
μ
V
34934A
High Density reed matrix
±100V
0.5A
35 MHz 500
<50
μ
V
General Purpose Switch Modules
34937A
28-channel Form C and
4-channel 5-Amp Form A
300 V
250 VAC
1 A
5 A
10 MHz N/A
<3
μ
V
34938A
28-channel 5-amp Form A
250 VAC 5 A
1 MHz
N/A
<3
μ
V
34939A
64-channel Form A
100V
1A
40 MHz N/A
<3
μ
V
RF and Microwave Modules