Delay control circuit and delay control method

Details Delay control circuit and delay control method Delay control circuit and delay control method

2011-04-12

2011-04-12

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S149000

Reexamination Certificate

active

07924074

ABSTRACT:
A delay control circuit in which steady phase error can be eliminated has a first variable delay circuit and a first phase control circuit. The delay control circuit further includes a second variable delay circuit disposed in either a first or second clock path, and a second phase control circuit arranged so as to form an additional feedback loop, which is for canceling steady phase error produced by the first phase control circuit, with respect to the first clock path or second clock path using a delay value applied to the second variable delay circuit.

REFERENCES:
patent: 5684421 (1997-11-01), Chapman et al.
patent: 7227809 (2007-06-01), Kwak
patent: 2001/0035784 (2001-11-01), Watarai
patent: 11-513847 (1999-11-01), None
patent: 2001-285266 (2001-10-01), None
patent: WO 97/14214 (1997-04-01), None

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