34922A Simplified Schematic - Keysight Technologies 34922A User Manual

Low Frequency Multiplexer Modules

34922A Simplified Schematic

This drawing shows two independent 35-channel 2-wire MUXes.
001
002
003
004
005
006
COM 1
007
H L
Analog Buses
H L
036
COM 2
037
038
039
040
041
042
Keysight 34921A-34925A Low Frequency Multiplexer Modules User's Guide
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The three-digit number assigned to each switch represents the
channel number.
Bank Relays: Armature latching; Analog Bus Relays: Armature
non-latching
H H
008
L
009
010
011
012
013
014
911 912
H L
ABus1
DMM
(MEAS)
H L
921 922
043
044
045
046
047
048
H
H
L 049
Bank 1
H
015 022
L L
016 023
017 024
018 025
019 026
020 027
021 028
913
H L H
ABus2
DMM
(SENS)
H L H
923
050 057
051 058
059
052
060
053
054 061
062
055
H
L L 063
056
Bank 2
H
H
029
L L
030
031
032
033
034
035
914
L H L
ABus3 ABus4
L H L
924
064
065
066
067
068
069
H H
L 070 L
23