Circuit apparatus operable under high voltage

Details Circuit apparatus operable under high voltage Circuit apparatus operable under high voltage

2005-02-08

2005-02-08

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S437000, C327S544000

Reexamination Certificate

active

06853236

ABSTRACT:
An analog circuit apparatus connected to a high voltage source includes a transistor and an interface unit. The transistor has a low operation voltage smaller than the high voltage source and a breakdown voltage. The interface unit is coupled to the transistor in series for preventing the low operation voltage higher than the breakdown voltage.

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patent: 6545926 (2003-04-01), Ooishi et al.
patent: 6556182 (2003-04-01), Goto et al.

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