Single-sideband generator suitable for integrated circuits

Details Single-sideband generator suitable for integrated circuits Single-sideband generator suitable for integrated circuits

1985-12-27

1987-01-06

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 48, 455 47, 455109, H03C 160

Patent

active

046350047

ABSTRACT:
A single-sideband generator comprising a 90-degree phase shifter to which a modulating signal is applied, a modulator, and a switching circuit for alternately switching the delayed and nondelayed modulating signals to the modulator at a rate corresponding to the frequency of a carrier. A frequency divider is provided for halving the frequency of the carrier and applying its output to the modulator to cause it to modulate the divider output with the output of the switching circuit. In a preferred embodiment, the modulator comprises a balanced modulator.

REFERENCES:
patent: 3573380 (1971-04-01), Darlington
patent: 3611144 (1971-10-01), Harmon, Jr. et al.
patent: 4511864 (1985-04-01), de Riviere332 41

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