Adaptively synchronized ring network for data communication

Adjacent channel interference canceller with means for minimizin

Adjustable equalizer for compensating for high frequency rolloff

Adjustable output level signal transmitter

Adjusting data transmission rate based on received signal qualit

ADPCM decoder with an integral digital receive gain and method t

ADPCM encoder/decoder with improved tracking

ADPCM Encoder/decoder with signalling bit insertion

ADPCM Encoder/decoder with zero code suppression

ADPCM encoding and decoding circuits

ADPCM System for speech or like signals

ADPCM System for speech or like signals

ADPCM transcoder with integral tone generation and method theref

AFC circuit for direct modulation FM data receivers

AGC device for producing a gain controlled and d.c. offset remov

All digital maximum likelihood based spread spectrum receiver

All-digital quadrature modulator

Alternate mark inversion (AMI) receiver

Alternate Mark Invert (AMI) transceiver with switchable detectio

Alternate pulse inversion encoding scheme for serial data transm