Phase lock oscillator for use in data processing system

Details Phase lock oscillator for use in data processing system Phase lock oscillator for use in data processing system

1976-12-27

1978-08-29

Martin, John C.

Telegraphy

Systems

Line-clearing and circuit maintenance

178 88, 328120, H04L 702

Patent

active

041105575

ABSTRACT:
A phase lock oscillator system employing a phase and frequency detector which receives the data pulses and the clocking signal modulated to include only the clocking pulses corresponding in timed sequence to the actual data pulses for generating an error signal to regulate the voltage controlled oscillator.

REFERENCES:
patent: 3652943 (1972-03-01), Piccirilli
patent: 3810234 (1974-05-01), Monett
patent: 3838214 (1974-09-01), Lind
patent: 3900890 (1975-08-01), Eibner
patent: 3921076 (1975-11-01), Currie
patent: 3922613 (1975-11-01), Allen

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