(DS) transmitter
(Sin X)/X correction circuit for a sampled data system
.pi./4 quadrature phase shift keying modulator
.pi./4 shift QPSK modulator and communication apparatus
12-chip coded spread spectrum modulation for direct conversion r
1X asynchronous data sampling clock for plus minus topology appl
3-mode PCM/DPCM/APCM maximizing dynamic range
4-ary correlator, matched filter, and decoder for coherent, dire
5-volt low level serial transceiver
A-D encoder and D-A decoder system
A/D, D/A Converter for PCM transmission system
Access technique of channel hopping communications system
Acquisition apparatus for DSSS communications
Acquisition method and system of spreading code
Acquisition method for DSSS communications
Acquisition of frequency bursts in PCN
Active signalling transmitter control
Actively mode-locked, single-polarization, picosecond optical fi
Adapter frequency range equalizer for digital radio relay system
Adaptive acquisition of multiple access codes