Single side-band wave generation system

Details Single side-band wave generation system Single side-band wave generation system

1976-05-17

1978-02-21

Griffin, Robert L.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

325137, 325 50, 332 45, H04B 104

Patent

active

040755657

ABSTRACT:
A single sideband wave generation system for a transmitter, including two oscillators whose outputs are mixed to produce an IF wave from which a carrier wave is developed. This carrier wave is modulated by an audio frequency signal, and filtered to produce a single sideband audio signal, which is then mixed selectively with the outputs of the two oscillators to develop upper and lower sidebands of a transmission frequency. The frequency difference between the two oscillators is 2.sup.n times the carrier wave frequency, with n flip flop units or their equivalent being employed to reduce the difference frequency down to the carrier frequency.

REFERENCES:
patent: 2098373 (1937-11-01), Brown
patent: 3020398 (1962-02-01), Hyde
patent: 3196352 (1965-07-01), Hopner et al.
patent: 3311828 (1967-03-01), Chasek
patent: 3358234 (1967-12-01), Stover
patent: 3360729 (1967-12-01), Palatinus
patent: 3460041 (1969-08-01), Orwin et al.
patent: 3644831 (1972-02-01), Lather et al.
patent: 3854094 (1974-12-01), Towler

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