Clock reproducing apparatus

Details Clock reproducing apparatus Clock reproducing apparatus

2007-01-05

2010-02-23

Pascal, Robert (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

C331S057000, C375S326000

Reexamination Certificate

active

07667544

ABSTRACT:
A clock reproducing apparatus includes a clock reproducing circuit having: a gated oscillator having an oscillating circuit of two routes; and a frequency control circuit for comparing a phase of an output of the gated oscillator with a phase of a reference clock, and supplying a phase control signal to the gated oscillator based on the comparison result so as to set a delay time, input data is input to a reset input terminal of the gated oscillator, and different route of the two routes of the oscillating circuit operates depending on a case where the input data is “H” and a case where the input data is “L”.

REFERENCES:
patent: 5382921 (1995-01-01), Estrada et al.
patent: 6259326 (2001-07-01), Dunlop et al.
patent: 2004/0052316 (2004-03-01), Choi et al.
patent: 0 569 179 (1993-11-01), None
patent: 2004-104522 (2004-04-01), None
patent: 2004-179807 (2004-06-01), None
German Office Action dated Feb. 8, 2008.

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