Phase controlled oscillator including a phase lock loop and dual

Details Phase controlled oscillator including a phase lock loop and dual Phase controlled oscillator including a phase lock loop and dual

1983-01-06

1984-12-04

LaRoche, Eugene R.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Search sweep of oscillator

331 17, 331 25, 331178, H03L 700

Patent

active

044867174

ABSTRACT:
A phase controlled oscillator comprises a first sweeping oscillator producing an output voltage controlled by a control input signal and a first sweeping signal within a limited output voltage amplitude, a second sweeping oscillator which produces a second sweeping signal having an amplitude smaller than that of the first sweeping signal supplied to a phase locked loop, the phase relation of input and output signals of the second sweeping oscillator being selected such that it stops oscillation when the loop is in a locked state, and a control circuit adapted to hold the output voltage of the first sweeping oscillator.

REFERENCES:
patent: 3571754 (1971-03-01), Healey et al.
patent: 4009448 (1977-02-01), Hopwood et al.
patent: 4039966 (1977-08-01), Skinner
patent: 4121166 (1978-10-01), Matsumoto et al.
"Phaselock Techniques" published by John Willey and Son, 1979.

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