Modulation system

Details Modulation system Modulation system

1977-12-27

1978-12-19

Kominski, John

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 23R, H03C 300

Patent

active

041308115

ABSTRACT:
A modulation system which produces a modulated carrier having a number of central sideband pairs with power closely approximating the carrier power. A signal generator produces a sinusoidal reference voltage which is applied to a plurality of conditioning channels. Amplitude, phase and frequency conditioning means within the channels produce desired modulating signal components. The components are then synthesized in a power combiner and applied as the control voltage to phase/frequency modulation means to produce the desired modulated signal.

REFERENCES:
patent: 2478973 (1949-08-01), Mahren
patent: 3037190 (1962-05-01), Herbst
patent: 3100284 (1963-08-01), Kerns
patent: 3300726 (1967-01-01), Newman

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