Method and apparatus for determining AM modulation factor

Details Method and apparatus for determining AM modulation factor Method and apparatus for determining AM modulation factor

1975-09-10

1976-11-02

Griffin, Robert L.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

325 67, 332 39, H04B 1700

Patent

active

039900118

ABSTRACT:
The modulation factor for an AM signal wherein the modulation signal is an A. C. wave is determined by demodulating the AM signal, obtaining the average D. C. level and peak deviation therefrom for the demodulated signal and then dividing the latter by the former.

REFERENCES:
patent: 1820833 (1931-08-01), Ring
patent: 1915558 (1933-06-01), Terman
patent: 2082492 (1937-06-01), Grumel
patent: 2119194 (1938-05-01), Babler
patent: 2362830 (1944-11-01), Kline
patent: 2548635 (1951-04-01), Summerhayes, Jr.
patent: 2941162 (1960-06-01), Cotellessa et al.
patent: 2962673 (1960-11-01), Gerber
patent: 2984796 (1961-05-01), Affelder

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