34921A Simplified Schematic - Agilent Technologies 34921A User Manual

34921A Simplified Schematic

This drawing shows two independent 20- channel 2- wire MUXes.
NOTE: The three-digit number assigned to each switch represents the channel number.
NOTE:
Bank Relays: Armature latching
Analog Bus Relays: Armature non-latching
Current
L
Fuse
041
I
L
Fuse
042
I
L
Fuse
043
I
L
Fuse
044
I
Agilent 34921A-34925A Low Frequency Multiplexer Modules User's Guide
H
001
002
003
004
COM 1
005
H L
911
H
Analog Buses
I ABus1
L Current
931
H
921
H L
021
COM 2
022
023
024
H
025
34921A 40-Channel Armature Multiplexer with Low Thermal Offset
Bank 1
H
006
L L
007
008
009
010
912
L H L
ABus2
DMM
DMM
(MEAS)
(SENS)
L H L
922
026 031
027 032
028 033
029 034
H
030 035
L L
Bank 2
H
011 016
L
012 017
018
013
019
014
020
015
913 914
H L
ABus3
H L
923 924
036
037
038
039
H
040
L
H
L
H L
ABus4
H L
H
L
9