Circuit for amplitude and phase modulation of carrier signal by

Details Circuit for amplitude and phase modulation of carrier signal by Circuit for amplitude and phase modulation of carrier signal by

1982-02-08

1984-11-27

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 21, 332 22, 332 41, 455102, H03C 500

Patent

active

044853572

ABSTRACT:
An electronic arrangement for generating an amplitude and phase-modulated carrier signal having a phase modulation stage with two inputs for receiving two modulation signals, which modulation stage generates two different phase-modulated signals having the same carrier frequency and substantially the same amplitude, and an output stage to which the phase-modulated signals are applied for assembling by means of summation of the phase-modulated signals to produce the amplitude and phase-modulated carrier, the amplitude of which is modulated in dependence on the phase difference of the phase-modulated signals and the phase of which is modulated in dependence on the sum of the phases of the phase-modulated signals.

REFERENCES:
patent: 3778718 (1973-12-01), Bass et al.
patent: 4079204 (1978-03-01), Takahashi et al.

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