Circuit arrangement for detecting whether a predetermined freque

Circuit arrangement for the demodulation of a phase-modulated si

Circuit arrangement for the production of a control signal in a

Circuit for cancelling sinusoidal pilot signal contained in comp

Circuit for changing a periodic intelligence signal into a direc

Circuit for converting a staircase waveform into a smoothed anal

Circuit for decoding a diphase signal

Circuit for demodulating a frequency-modulated signal

Circuit for demodulating a stereo signal

Circuit for demodulating amplitude and angle modulated broadcast

Circuit for demodulating an amplitude modulated signal

Circuit for detecting predetermined voltage level crossings of t

Circuit for digital FM demodulation

Circuit for establishing accurate sample timing

Circuit for recovering the carrier of an amplitude-and-phase-mod

Circuit for recovering the carrier wave in digital transmission

Circuit for reproducing and demodulating modulated digital signa

Circuit for synchronizing the demodulation of phase modulated tr

Circuit recovering the carrier of a signal amplitude and phase m

Circuitry for multiplying a PCM signal by a sinusoid