Analog comparator with precise threshold control

Details Analog comparator with precise threshold control Analog comparator with precise threshold control

2007-03-30

2010-02-09

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S067000, C327S072000

Reexamination Certificate

active

07659753

ABSTRACT:
In general, in one aspect, the disclosure describes an apparatus that included a reference generator to receive a differential input signal and generate reference voltages having same common mode as the differential input signal. A replica bias generator is used to generate a bias signal based on the reference voltages. A comparator is used to compare the input signals to threshold voltages that are based at least in part on the bias signal.

REFERENCES:
patent: 5929661 (1999-07-01), Lee
patent: 6362467 (2002-03-01), Bray
patent: 6504404 (2003-01-01), Uchiki et al.
patent: 6559687 (2003-05-01), Hunt
patent: 6583661 (2003-06-01), Tanji et al.

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