FM-AM converter

Details FM-AM converter FM-AM converter

1975-08-06

1976-09-28

Griffin, Robert L.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

325 7, 325461, 332 1, H04B 106

Patent

active

039834875

ABSTRACT:
An FM-AM converter in which the FM signal is applied to a slope filter in a transmission system. The resulting amplitude modulated FM signal is applied to a circuit that derives a control signal corresponding to the mean value of the amplitude modulated FM signal and uses this control signal to control either the gain of the FM signal applied to the slope filter or the frequency response of the slope filter so that the amplitude of the amplitude modulated FM signal will have a predetermined mean value.

REFERENCES:
patent: 2286997 (1942-06-01), Hunt
patent: 2378581 (1945-06-01), Roberts
patent: 3447088 (1969-05-01), Guyton et al.
patent: 3528037 (1970-09-01), Yamazaki
patent: 3882397 (1975-05-01), Konishi

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