Data separator having a restart circuit

Details Data separator having a restart circuit Data separator having a restart circuit

1992-04-16

1993-11-02

Pascal, Robert J.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 53, 375120, G11B 509

Patent

active

052588777

ABSTRACT:
A data separator for use in extracting data from a read signal includes a restart circuit. The data separator is comprised of a controlled oscillator, a delay circuit, a restart circuit, a phase detector and a data extractor. The delay circuit delays the read signal by an interval approximately equal to the time required to start the controlled oscillator after assertion of the start signal. Accordingly, the oscillator starts in-phase with the delayed read signal. In one embodiment of the present invention, the delay interval of the delay circuit is controlled by a frequency synthesizer which generates a write clock during write operations.

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