A digital amplitude modulation transmitter with pulse width...

A.m. stereo receiver with inverse amplitude modulator

Adaptive compensation for carrier signal phase

Am pulse duration modulator

Amplitude and delay equalization of surface acoustic- wave...

Amplitude and frequency modulation system

Amplitude and phase modulation using dual digital delay vectors

Amplitude modulated broadcast transmitter

Amplitude modulator

Amplitude modulator having negative feedback circuit for...

Amplitude modulator which forms two phase-shifted pulse...

Angle modulated waveform synthesizer

Angle modulator

Aparatus and method for reducing oscillator frequency...

Apparatus and method for geometrically modulating...

Arc-cosine phase modulators

Arrangement for converting binary input signal into...

Arrangement for modulating the output signal of a converter,...

Audio signal processor