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
Digital code word detection
Digital coherent phase demodulator
Digital coherent PSK demodulator and detector
Digital communication apparatus
Digital communication apparatus
Digital communication system
Digital communication system
Digital communication system
Digital communication system