RF amplitude modulator/mixer

Details RF amplitude modulator/mixer RF amplitude modulator/mixer

1986-05-05

1987-10-06

Laroche, Eugene R.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 38, H03C 100

Patent

active

046986030

ABSTRACT:
A method and apparatus are disclosed for offsetting the DC level of a modulating signal input to a dual balanced modulator. The circuit is adapted to offset a high frequency modulation signal by an amount sufficient to provide the optimum percent modulation of a carrier signal applied to the dual balanced modulator. The offset level to be applied is dependent upon the desired percent modulation and is further affected by the operating modulation and carrier frequencies as well as their respective input power levels.

REFERENCES:
patent: 4199723 (1980-04-01), Cummings et al.

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