Digitally compensated modulation system for frequency synthesize

Digitized frequency synthesizer

Digitized phase modulating means

Digitized phase modulating means

Digitized quadrature modulator

Diode circuit flicker-noise reduction

Diode ring mixer

Direct 2nd derivative synthesis method for controlling sidelobe

Direct digital amplitude modulator

Direct digital synthesis of precise, stable angle modulated RF s

Direct FM crystal-controlled oscillator

Direct frequency modulation system having an IQ mixer in the...

Direct microwave modulation and demodulation device

Direct modulated phase-locked loop

Direct modulation 4 phase PSK modulator

Direct modulation type voltage-controlled oscillator using...

Direct QAM modulator

Directional PSK modulation and demodulation system

Discrete dithered frequency pulse width modulation

Distortion compensating circuit