BPSK encoder circuit

Circuit for modulating a sinusoidal waveform signal using digita

Communication device with configurable sigma-delta modulator

Constant envelope continuous phase frequency shift key modulatio

Continuously variable phase frequency shift keying

Data dithering apparatus and method

Data transmission method and radio system

Device and method for spectrally shaping a transmission...

Differentially encoding quadrature phase shift keying modulation

Digital baseband modulation apparatus and demodulation...

Digital filter and modulator

Digital frequency synthesizer

Digital FSK modulator

Digital gaussian frequency shift keying modulator

Digital GMSK filter

Digital modulation and shift keying

Digital modulation and shift keying

Digital modulation process and modulator implementing the...

Digital modulator for a GSM/GPRS/EDGE wireless polar RF...

Digital reconfigurable core for multi-mode base-band...