Phase lock loop

Details Phase lock loop Phase lock loop

1980-12-29

1983-12-06

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular error voltage control

331 18, 331 25, 331DIG2, H03L 706

Patent

active

044196334

ABSTRACT:
A variable voltage control oscillator can have its output frequency varied over a wide range of frequencies with a high degree of accuracy at each frequency and a rapid tune time is achieved when there is a reference signal source that runs at a constant frequency and is held to a high degree of accuracy and a counter for normalizing the output frequency of the VCO and a coincidence detector which compares the reference frequency to the normalized output frequency and provides an error correcting signal that adjusts the VCO to change the frequency very rapidly without having a frequency overshoot.

REFERENCES:
patent: 3337814 (1967-08-01), Brase et al.
patent: 3370252 (1968-02-01), Zoerner

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