QAM modulator/demodulator

QPSK modulator or demodulator using subharmonic pump carrier sig

Quadraphase modulator

Quadraphase modulator

Quadrature amplitude modulation system using digital filters

Quadrature amplitude modulation system with compensation for tra

Quadrature amplitude modulation/demodulation device using multi-

Quadrature amplitude modulator including a digital amplitude mod

Quadrature amplitude modulator using switched capacitor filter

Quadrature local oscillator network

Quadrature modular with adaptive suppression of carrier leakage

Quadrature modulated phase-locked loop

Quadrature modulator and demodulator

Quadrature modulator having circuit for correcting phase error

Quadrature modulator having compensation for local oscillator le

Quadrature modulator having controlled phase shifter

Quadrature modulator having phase shift and amplitude compensati

Quadrature modulator malfunction estimator and modulator stage u

Quadrature modulator operable in quasi-microwave band of digital

Quadrature modulator with distortion compensation