Frequency synthesizer

Details Frequency synthesizer Frequency synthesizer

1986-05-14

1988-01-19

LaRoche, Eugene R.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural oscillators controlled

331 16, 331 18, 331 46, 331179, H03L 706

Patent

active

047206888

ABSTRACT:
A microwave frequency synthesizer comprised of a phase-locked loop having a low noise and highly stabilized reference voltage-controlled oscillator and further two phase-locked loops each having a stabilized voltage controlled oscillator, the signal outputs from which are frequency-converted with as small multiplication factors as possible. This frequency synthesizer can minimize the phase noise that may be generated by frequency dividers in a digital system.

REFERENCES:
patent: 4331932 (1982-05-01), Remy
patent: 4388597 (1983-06-01), Bickley et al.
patent: 4528522 (1985-07-01), Matsuura

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