Phase detector

Details Phase detector Phase detector

1990-11-13

1992-08-25

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 82, 375118, 307511, 331 12, 329303, 329310, H03D 318

Patent

active

051425556

ABSTRACT:
Jitter attenuators (100) with a phase detector (104) to control a crystal oscillator to remove jitter wherein the phase detector includes both a sequential phase/frequency detector (200) of low transistor count and an arrangement of two sequential phase/frequency detectors (198 and 200) to increase gain and two drivers for the crystal oscillator.

REFERENCES:
patent: 4090143 (1978-05-01), Merrell
patent: 4291274 (1981-09-01), Suzuki et al.
patent: 4837781 (1989-06-01), Hickling

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