Digital phase comparator for use in a phase lock loop

Details Digital phase comparator for use in a phase lock loop Digital phase comparator for use in a phase lock loop

1991-07-17

1992-06-23

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328133, 328134, 3401462, H03D 1300, G05B 100

Patent

active

051245949

ABSTRACT:
A Digital Phase Comparator has a simplified logic circuit in which Nand Circuits provide UP and DOWN signals containing phase information about E and F signals.

REFERENCES:
patent: 3610954 (1971-10-01), Treadway
patent: 4179628 (1979-12-01), Ohgishi et al.
patent: 4322646 (1982-03-01), Preslar
patent: 4354124 (1982-10-01), Shima et al.
patent: 4408165 (1983-10-01), Braun
patent: 4751469 (1988-06-01), Nakagawa et al.

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