Phase locked loop frequency source having reduced load pull

Details Phase locked loop frequency source having reduced load pull Phase locked loop frequency source having reduced load pull

1997-12-22

2000-12-05

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

With reference oscillator or source

331 74, 331175, H03L 718

Patent

active

061572624

ABSTRACT:
A phase locked loop frequency source with greatly reduced load pull susceptibility is achieved by using a voltage controlled oscillator of frequency which is neither the same as nor a harmonic or sub-harmonic of the desired output frequency, which is derived by non-integer multiplication from the voltage controlled oscillator frequency.

REFERENCES:
patent: 4688237 (1987-08-01), Brault
patent: 4802009 (1989-01-01), Hartmeier
patent: 4956797 (1990-09-01), Berard
patent: 5144260 (1992-09-01), Stribling et al.

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