Linearized phase lock loop FM-demodulator

Details Linearized phase lock loop FM-demodulator Linearized phase lock loop FM-demodulator

1982-03-19

1985-06-11

LaRoche, Eugene R.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

329 50, 331 23, 331 36C, H03L 700

Patent

active

045231516

ABSTRACT:
A circuit for minimizing non-linearity of an FM-demodulator which is in the form of a phase control circuit whereby its voltage controlled oscillator is controlled by adjusting the voltage applied to a capacitive diode coupled thereto so as to adjust the zero-axis crossing of the demodulator to coincide with the center frequency of the input signal to be demodulated.

REFERENCES:
patent: 3495184 (1970-02-01), Perkins, Jr. et al.
patent: 4096452 (1978-06-01), Waku et al.
patent: 4360790 (1982-11-01), Heise
patent: 4367542 (1983-01-01), DuBroff
patent: 4387348 (1983-06-01), Fritze

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