Audio compressor/limiter amplifier

Audio detector circuit

Auto tracking notch filter using switched capacitors to measure

Auto zero circuit

Auto-reset circuit with improved testability

Autocorrelated pulse processor

Automatic clear circuit

Automatic clock de-skewing apparatus

Automatic control device

Automatic control of buffer speed

Automatic control using proximity sensors

Automatic d-c offset cancellation in PCM encoders

Automatic frequency alteration circuit

Automatic frequency control system

Automatic gain control circuit

Automatic gain control circuit

Automatic gain control detection circuit

Automatic gain control for interferometers and phase sensitive d

Automatic gain control for transducer circuit

Automatic gate control system