Isolation circuit

Details Isolation circuit Isolation circuit

2011-04-12

2011-04-12

Lam, Tuan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

C327S389000, C327S427000, C327S436000, C327S437000

Reexamination Certificate

active

07924083

ABSTRACT:
An isolation circuit is provided. The isolation circuit is coupled to an output and an input node and includes a first set, a second switch set, and a body bias voltage generator. The first switch set couples a switch control node to a second voltage when a first voltage is at a first voltage level, and couples the switch control node to the input node when the first voltage is at a second voltage level. The second switch set couples the output node to the input node when the first voltage is at the first voltage level, and isolates the output node from the input node when the first voltage is at the second voltage level. The body bias voltage generator selectively provides a higher one of the first voltage and a voltage on the input node to a body of the second switch set.

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