Device for determining in a signal the presence of a given...

Device for discriminating the phase and the phase variation...

Device for rectifying an alternating-current signal

Device for simultaneously demodulating a multifrequency...

Device for stereophonic reproduction of signals

Device for stereophonic reproduction of signals

Device for the stereophonic reproduction of signals

Differential circuit with improved signal balance

Differential detector for demodulating fm or pm signals

Differential phase-shift keying demodulator

Digital block processor for processing a plurality of...

Digital calibration of a transceiver

Digital carrier wave detect circuitry

Digital circuit for the extraction of the phase and envelope...

Digital coherent psk demodulator and detector

Digital communication system having improved pilot encoding

Digital demodulator

Digital demodulator

Digital demodulator

Digital demodulator for continuously phase or frequency...