Phase comparator and data separator

Details Phase comparator and data separator Phase comparator and data separator

1988-01-11

1989-02-21

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307518, 307479, 307265, 328110, 328134, 328 55, H03K 302, H03K 906

Patent

active

048068705

ABSTRACT:
A phase comparator for use in a phase-locked loop, responsive to CLOCK and DATA signals, for producing UP and DOWN commands exhibiting a difference in duration proportional to the phase difference between the CLOCK and DATA signals, for controlling the charge pump of the loop, can be used with half-clock times as fast as one gate delay and one flip-flop delay, rendering it useful for high-speed operation.

REFERENCES:
patent: 4568881 (1986-02-01), Kostrov
patent: 4636748 (1987-01-01), Latham, II
patent: 4754225 (1988-06-01), Minuhin
patent: 4764737 (1988-08-01), Kaatz

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