Method and means for modulating waves

Details Method and means for modulating waves Method and means for modulating waves

1981-12-18

1984-02-21

Heyman, John S.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 23R, 332 29R, 332 41, 332 44, 332 48, 332 52, 332 17, H03C 150, H03C 152, H03C 500

Patent

active

044333129

ABSTRACT:
An improved high efficiency amplitude modulation system comprising three power amplifier paths, each incorporating high efficiency type amplifiers.
One path amplifies an unmodulated carrier wave and the other two amplify phase modulated waves preferably generated by the disclosed improved Armstrong phase modulator.

REFERENCES:
patent: 2624041 (1952-12-01), Evans, Jr.
patent: 3170127 (1965-02-01), Cramer
patent: 3260964 (1966-07-01), Whitehead et al.
patent: 4028641 (1977-06-01), Bodtmann et al.

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