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160 L4400 User’s Guide
7 Microwave Switch/Attenuator Driver
Y1151A Connections
Y1151A Switch Connector SW1 and SW2
+VR is the Voltage source for the Relay
+VI is the Voltage source the LED Indicator
LED Connectors
Switch
Connectors
Pin Use Pin Use
1 +VR 2 +VI
3Path 1 4IND 1
5Path 2 6IND 2
7Path 3 8IND 3
9Path 4 10IND 4
11 Path 5 12 IND 5
13 Path 6 14 IND 6
15 GND 16 Open All Paths
2
115
16