Digital audio broadcasting system
Digital audio signal receiver
Digital automatic gain control circuit for PCM signals
Digital automatic line equalizer with means for controlling tap
Digital bi phase data recovery system
Digital broadcast system
Digital burst signal transmission system
Digital carrier demodulator employing components working beyond
Digital channel on-line pseudo error dispersion monitor
Digital circuit and method for the detection of call progress to
Digital circuit for determining the envelope frequency of PCM en
Digital circuit for differential receiver for direct sequence sp
Digital circuit with band limiting characteristics for modem
Digital circuits for generating signal sequences for linear TDMA
Digital clock pulse positioning circuit for delaying a signal in
Digital clock recovery circuit apparatus
Digital clock recovery circuit for return to zero data
Digital clock timing generation in a spread-spectrum digital com
Digital code converter
Digital code decoding apparatus