Agilent Technologies L4400 - Manual (Page 188)

176 L4400 User’s Guide
7 L4445A Microwave Switch/Attenuator Driver
Y1154A Switch connector SW3 Through SW8 (N181x)
Pin 1
Switch Connector Distribution Board Connector
No Connection
To This Pin
No Connection
To These Pins
Switch Connector Distribution Board Connector
+VR is the Voltage source for the Relay
+VI is the Voltage source for the LED Indicator
Pin Use Pin Use
1 GND 2 IND B
3 N.C. 4 +VI
5 Drive B 6 IND A
7 Drive A 8 +VI
9 +VR 10 N.C.
10
9 1
2