Circuit for mobile radio receivers

Circuit for removing ignition noise from a multiplex signal

Circuit for suppression of short-lived noise-phenomena in a digi

Clock-controlled filtering arrangement

Closed-loop audio attenuator

Co-channel interference detector

Coherent signal generation in digital radio receiver

Coherent signal generation in digital radio receiver

Combined deemphasis circuit and noise blanker

Compatible AM broadcast/data transmisison system

Compatible multivoice broadcasting receiver

Compatible quadrature amplitude modulation detector system

Compatible transmission techniques for FM stereophonic radio and

Compression/expansion device

Computer system with a common audio input for its audio...

Configurable recursive digital filter for processing...

Control circuit

Control voltage generating circuit for activating a noise reduct

Controlled blend for AM stereo receivers

Correction control circuit for AM stereophonic receivers