Abstract: A data reproduction circuit, which can be used for reproducing audio data from an optical disc, includes a phase-locked loop which has a circuit for detecting polarity inversions of the input signal, a circuit for comparing the phases of a polarity inversion signal with a reference signal, and circuitry for generating an output clock signal which is phase-locked with the input signal, that clock being used to strobe the input signal to remove fluctuation and jitter from the input signal.
Type:
Grant
Filed:
December 19, 1983
Date of Patent:
April 1, 1986
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha 72