Agilent Technologies Switch/Measure 34925A Simplified Schematic for Two- or Four-Wire Mode, Com

4Low Frequency Multiplexer Switch Modules

34925A Simplified Schematic for Two- or Four-Wire Mode

This drawing shows two independent 20- channel 2- wire MUXes.

To change configuration modes, use the SYSTem:MODule:WIRE:MODE

command.

NOTE: The three-digit number assigned to each switch represents the channel number.

001

NOTE:

Bank relays: FET non-latching002

Analog Bus relays: Armature non-latching

		003
COM 1		004
		005
H	L

Bank 1

H	006		H		011	H		016	H
		L		L			L			L
	007				012			017
	008				013			018
		009			014			019
	010				015			020

911			912			913			914
	H	L		H	L		H	L		H	L
Analog Buses		ABus1			ABus2
		DMM			DMM			ABus3			ABus4
		(MEAS)			(SENS)
	H	L		H	L		H	L		H	L
921			922			923			924

H	L	021
COM 2		022
		023
		024
		025
Overvoltage protection and
current limiting circuitry

H

026		031
027		032
028
		033
029
		034
	H
L 030		L 035

Bank 2

H

036

037

038

039

H

L 040

L

130 34980A User’s Guide