Linear phase detector for half-speed quadrature clocking archite

Details Linear phase detector for half-speed quadrature clocking archite Linear phase detector for half-speed quadrature clocking archite

1996-02-14

1998-01-27

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By phase

327144, 327238, 327254, 370518, 370544, 375371, 375373, H03D 1300

Patent

active

057125805

ABSTRACT:
A linear phase detector used with half-speed quadrature clock architecture is provided. The linear phase detector includes a first circuit receiving a data signal, a first half-speed quadrature clock signal and a second half-speed quadrature clock signal. The first circuit generates an adjusted data signal and a polarity representing signal of the first half-speed quadrature clock signal. A high speed phase detector is coupled to the first circuit for generating a linear phase correction signal.

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