Teradyne Z1800 Series, Operator'S Manual

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2-34 TESTER DESCRIPTION
Fixture Receiver
Interface—Z1884
The Z1884 has 5120 prewired pins that connect to the driver/receiver boards through the
receiver interface. Each point has stimulus, measurement, and guarding capabilities for
analog and digital testing. Additional interface pins are provided for DUT power supplies,
relay array connections, grounds, and other auxiliary features.
Item # Name Function
1 Guide Pins Align fixture on fixture receiver interface.
2 Receiver Vacuum Port Enables fixture to be pulled down on interface.
3 Rear Well Switch Senses when a double well fixture is used and turns on
rear well vacuum.
4 Probes Provide electrical connection between test fixture and
tester.
5 Interface Seal Provides a vacuum seal between the fixture and tester.
2
1
3 4 5