AM stereo transmitter

AM Stereophonic demodulating circuit

AM Stereophonic transmitter

AM-FM Radio receiver for receiving AM-stereo signals

AM/FM synchronizing circuit

Amplitude demodulator

Amplitude limiter for AM broadcast transmitter

Amplitude-modulated signal receiver having a variable Q circuit

Analog divider with minimal phase distortion

Analog spread spectrum wireless speaker system

Analysis of audio signals

Apparatus and method for adjusting audio equipment in acoustic e

Apparatus and method for decoding an AM stereo broadcasting sign

Apparatus and method for masking audio signals in a signal...

Apparatus and method for minimizing multipath interference

Apparatus and method for multichannel sound reproduction system

Apparatus and method for processing of amplifier...

Apparatus and method for processing stereo signals for applicati

Apparatus and method of providing stereo television audio signal

Apparatus for cancelling a pilot signal from a composite signal