Circuit for AC voltage application in synchronism with pattern s

Details Circuit for AC voltage application in synchronism with pattern s Circuit for AC voltage application in synchronism with pattern s

1993-08-09

1995-01-10

Heyman, John S.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

371 27, 327100, 327106, H03L 100, H03K 400

Patent

active

053810457

ABSTRACT:
For testing of a device under test, an AC measurement voltable application circuit is provided wherein voltages to be applied to the device can be switched during measurement operation without using a separate circuit for a high voltage generation. Data for voltages to be applied to the device are written in respective addresses of a memory in a pattern synchronizing control circuit. This pattern synchronizing control circuit is synchronized with a signal generator and, by inputting mode register setting signal depending on whether the measurement is AC or DC measurement, a relay control circuit for a pin driver circuit is controlled and the application value data in the memory are inputted into a DC measurement unit so as to apply a voltage to the device.

REFERENCES:
patent: 4115810 (1978-09-01), Mikado
patent: 4849702 (1989-07-01), West et al.
patent: 5321700 (1994-06-01), Brown et al.

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