Switch for minimizing transistor exposure to high voltage

Details Switch for minimizing transistor exposure to high voltage Switch for minimizing transistor exposure to high voltage

1997-04-08

1999-02-02

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327215, 327434, 36518911, H03K 3356, H03K 190185

Patent

active

058670424

ABSTRACT:
An asymmetric switch which minimizes transistor exposure to high voltage includes one pair of P-channel transistors with both N-wells coupled back to the programming voltage source and one pair of P-channel transistors with independent N-wells. Two pairs of N-channel transistors and an inverting circuit are also included to provide complementary input voltages to the switch. The P-channel and N-channel transistors used as guard devices may be biased by the same voltage or separate voltages.

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patent: 5559464 (1996-09-01), Orii et al.

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