Voltage control oscillator with modulation compensation

Details Voltage control oscillator with modulation compensation Voltage control oscillator with modulation compensation

1988-12-27

1990-02-27

LaRoche, Eugene R.

Modulators

Frequency modulator

Including stabilization or alternatively distortion, noise...

331 16, 331 36C, 331177V, 331 23, H03L 700

Patent

active

049049640

ABSTRACT:
An improved voltage controlled oscillator (VCO) is provided whereby the control voltage is utilized for modulation compensation by a modulation compensation network (90). The modulating signal is variably coupled into the voltage controlled oscillator (70) to compensate for the variation in the VCO's gain factor to yield a constant modulation level over a frequency band.

REFERENCES:
patent: 4494090 (1985-01-01), Popek et al.
patent: 4503402 (1985-03-01), Englund, Jr.
patent: 4510465 (1985-04-01), Rice et al.
patent: 4649353 (1987-03-01), Sonnenberg
patent: 4785263 (1988-11-01), Kaltenecker et al.

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