Apparatus for synchronizing clock signals

Details Apparatus for synchronizing clock signals Apparatus for synchronizing clock signals

1989-07-25

1991-03-12

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

331 1A, 328 35, H03K 513, H03K 508, H03K 5159, H03L 700

Patent

active

049995260

ABSTRACT:
Apparatus for synchronizing a clock signal to a pulse comprises a clock signal generator (1) for generating a first clock signal having a frequency equal to that of a desired clock signal. A delay circuit (2) to which the first clock signal is fed generates a number of time delayed versions of the first clock signal, each time delay being less than the period of the first clock signals. Logic (9) compares the time delayed versions of the first clock signal and the original clock signal at the time of occurrence of the pulse and selects as the desired clock signal, a version of the first clock signal which has changed state close to the time of occurence of the pulse.

REFERENCES:
patent: 3577128 (1971-05-01), Criscimagna
patent: 3760280 (1973-09-01), Covington
patent: 4316148 (1982-02-01), Kaminski
patent: 4600895 (1986-07-01), Landsman
patent: 4851709 (1989-07-01), Bailey

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