Agilent Technologies 34980A

Matrix Switch Modules 5
34980A User’s Guide 169
34931A Simplified Schematic
ABus1
DMM
(MEAS)
ABus2
DMM
(SENS)
ABus3
ABus4
922
923
924
921
HLHLHLHLHLHLHLHL
L
L
L
L
H
H
H
H
H
H
H
L
L
L
L
H
H
L
L
HHHHHHHHLLLLLLLL
L
L
L
L
H
H
H
Matrix 1
Matrix 2
Analog Buses
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
Row 7
Row 8
Col 1 Col 2 Col 3 Col 4 Col 5 Col 6 Col 7 Col 8
Col 1 Col 2 Col 3 Col 4 Col 5 Col 6 Col 7 Col 8
NOTE: Matrix 1 and Matrix 2 are electrically
separate from one another.
NOTE:
Matrix Relays: Armature latching
Analog Bus Relays: Armature non-latching
NOTE: Three-digit channel numbers are
derived from the intersection of the rows
and columns, columns having two digits.
The intersection shown here represents
Channel 304 (Row 3, Column 4)