Inverted-phase detector

Details Inverted-phase detector Inverted-phase detector

2007-10-16

2007-10-16

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By phase

C327S007000, C327S012000

Reexamination Certificate

active

10682448

ABSTRACT:
An inverted-phase detector is implemented in a system including a first clock circuit that provides a first clock signal and a delayed clock circuit that outputs an delayed clock signal. A reference circuit outputs a reference signal. A feedback circuit generates a feedback signal that is one of greater than and less than the reference signal when the first clock signal changes state before the second clock signal, and that is the other of greater than and less than the reference signal when the first clock signal changes state after the second clock signal.

REFERENCES:
patent: 4873491 (1989-10-01), Wilkins
patent: 5923613 (1999-07-01), Tien et al.
patent: 6043694 (2000-03-01), Dortu
patent: 6100733 (2000-08-01), Dortu et al.
patent: 6509762 (2003-01-01), Moss et al.
patent: 2002/0140478 (2002-10-01), Fletcher et al.

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