Phase synchronous circuit

Details Phase synchronous circuit Phase synchronous circuit

2007-02-27

2007-02-27

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S144000

Reexamination Certificate

active

11134271

ABSTRACT:
According to an aspect of the invention, there is provided a phase synchronous circuit generating an output signal synchronized with an input signal. The phase synchronous circuit comprises an output circuit putting out an output signal according to an input clock signal, a selection circuit selecting a clock signal applied to the output circuit from multiphase clock signals such that the output circuit puts out an output signal synchronized with the input signal. The internal delay in a phase synchronous circuit using a multiphase clock signal can be efficiently compensated and an output signal synchronized with the reference signal can be generated.

REFERENCES:
patent: 6002731 (1999-12-01), Aoki et al.
patent: 6373911 (2002-04-01), Tajima et al.
patent: 6876710 (2005-04-01), Pitzer et al.
patent: 6987825 (2006-01-01), Yoshimura et al.
patent: 2000-315944 (2000-11-01), None
patent: 2001-351381 (2001-12-01), None

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