Switch circuit having adjustable linearity of differential...

Details Switch circuit having adjustable linearity of differential... Switch circuit having adjustable linearity of differential...

2008-10-03

2010-10-19

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

C327S391000, C327S434000

Reexamination Certificate

active

07816971

ABSTRACT:
A switch circuit includes a pair of metal oxide semiconductor (MOS) switches and an adjusting unit. Each of the MOS switches has an input terminal and an output terminal. The MOS switches receive a pair of differential input voltages at the input terminals thereof, and output a pair of differential output voltages at the output terminals thereof when the MOS switches conduct. The adjusting unit changes a difference between common mode levels of the input terminals and the output terminals of the MOS switches so as to adjust linearity of differential mode resistances of the MOS switches.

REFERENCES:
patent: 4573020 (1986-02-01), Whatley
patent: 5729230 (1998-03-01), Jensen et al.
patent: 6697001 (2004-02-01), Oliaei et al.

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