Digital amplitude modulators involving (1) modification of ampli
Digital circuit for the extraction of the phase and envelope sig
Digital data modulator and digital-to-analog converter
Digital direct modulator with type of modulation selection
Digital encoding circuitry
Digital frequency modulation system and method
Digital frequency modulator
Digital frequency shift key modulator
Digital FSK time rate of change modulator
Digital method of pulse width modulation
Digital modulation apparatus
Digital modulator with variations of phase and amplitude modulat
Digital MSK modulator
Digital phase and amplitude modulator
Digital phase domain amplitude modulation method and apparatus
Digital phase-locked loop frequency modulator
Digital PSK modulator for modem
Digital signals, radio transmitter circuits and method
Digital single sideband modulator and method
Digital voice and data frequency modulation circuit