Digital signal reproducing circuit

Details Digital signal reproducing circuit Digital signal reproducing circuit

1998-03-10

2000-08-08

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

327159, 327150, 369 59, 375371, G11B 700, H03L 706

Patent

active

061007242

ABSTRACT:
A digital signal reproducing circuit which enables precise measurement of a phase difference and jitter components of reproduction signals while realizing miniaturization of the circuit is disclosed. The digital signal reproducing circuit has a phase comparator for detecting a phase difference by using sampled values before and after an edge portion of a reproduction signal from an optical disc outputted from an A/D converter, and a jitter measuring section for detecting a jitter detection signal on the basis of unevenness of the phase difference obtained by the phase comparator.

REFERENCES:
patent: 5812508 (1998-09-01), Moon

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