Signal level detector

Signal limiter for exalted carrier am detector

Signal processing circuit

Signal-processing method and device

Single volume control for multi-channel audio systems

Slice amplifier using fet's

Slide-back waveform analyzer

Sound effects system

Sound processing apparatus

Sound processing apparatus

Sound system gain and equalization circuit

Spatial reverberation

Squelch apparatus, and associated method, for a multi-branch...

Stabilized microwave power amplifier system

Stable low current amplifier

Stereo composite processor for stereo radio receiver

Supply voltage control for a power amplifier

Switched capacitor automatic gain control loop

Switched gain constant frequency response amplifier

Symmetrical arrangement for forming a variable...