Data decoding circuit including phase-locked loop timing

Data demodulator

Data recovery system resistant to frequency deviations

Data signal discrimination method and apparatus

Dc coupled amplifier fed by an rf detector

Dc offset compensation method and apparatus

Dc removal techniques for wireless networking

Dc trimming using complex lo signals

Dc voltage control circuits

Decision timing control circuit

Decoder for a trellis encoded signal corrupted by ntsc...

Decoder for four channel fm stereophonic composite signal

Delay detecting circuit for phase shift keying modulated...

Demodulating an angle-modulated signal

Demodulating apparatus with phase shift compenstion

Demodulating device

Demodulating signals from zero if receiver using sampling...

Demodulation circuit for phase modulated signals

Demodulation circuit from fm signal and demodulation system...

Demodulation device for composite psk-psk modulated waves