Agilent Technologies Switch/Measure manual 34933A Simplified Schematic for One-Wire Mode

Matrix Switch Modules 5

34933A Simplified Schematic for One-Wire Mode

		Matrix 1
1C1	1C2	1C8
1C1 bypass	1C2 bypass	1C8 bypass

NOTE: Although rows are numbered the same across the matrices, they are electrically separate.

NOTE:

Matrix relays: Reed non-latching

Analog Bus relays: Armature non-latching

NOTE: Resistors shown are 100 Ω each

Row 1

Row 2

Row 3

Row 4

H

H

H

H

2C1	2C2	Matrix 2
		2C8
2C1 bypass 2C2	bypass	2C8 bypass

NOTE: Three-digit channel		H			Row 1	L
numbers are derived from a					Row 2	L
specific matrix number and the				H	Row 3	L
intersection of rows and						L
					Row 4
columns on that matrix. The								L
channel shown here is 132
(Matrix 1, Row 3, Column 2.)
									L
			Matrix 3				Channel 2128
3C1							(Matrix 2, Row 1, Column 8)
	3C2				3C8
3C1 bypass 3C2	bypass				3C8 bypass

								Analog Buses
Row 1	H					Row 1
	H						H	ABus1
Row 2						Row 1
							L	DMM
Row 3	H						921	(MEAS)
Row 4	H
						Row 2	H	ABus2
						Row 2
					Matrix 4		L	DMM
		4C1		4C2		4C8	922	(SENS)
	4C1	bypass	4C2	bypass	4C8	bypass
						Row 3	H
						Row 3	L	ABus3
							923
Row 1	L
Row 2	L					Row 4	H
Row 3	L					Row 4	L	ABus4
Row 4	L						924

34980A User’s Guide 159