Digital oscillator and color subcarrier demodulation circuit hav

Details Digital oscillator and color subcarrier demodulation circuit hav Digital oscillator and color subcarrier demodulation circuit hav

1992-09-29

1994-10-11

Groody, James J.

Television

Synchronization

Phase locking regenerated subcarrier to color burst

348540, 348549, 375 97, 307271, H04N 945

Patent

active

053551710

ABSTRACT:
A digital oscillator including an integrator for cumulatively integrating a specified signal and a controller responsive to a control signal for maintaining the output frequency of the integrator within a limit corresponding to the amplitude of the control signal.

REFERENCES:
patent: 4599583 (1986-07-01), Shimozono
patent: 4625232 (1986-11-01), Nillesen
patent: 4689664 (1987-08-01), Moring
patent: 4862098 (1989-08-01), Yassa
patent: 5010506 (1991-04-01), Hrncirik
patent: 5070254 (1991-12-01), Summers
patent: 5181115 (1993-01-01), Flamm

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