Apparatus and method for adjusting microwave BPSK modulator and

Binary phase shift key modulator with programmable level control

Biphase modulator and method without matching elements

Direct microwave modulation and demodulation device

Gilbert cell phase modulator having two outputs combined in a ba

I/Q modulator and demodulator having a single bridge

I/Q-modulator and I/Q-demodulator

IQ-modulation

Low noise Gilbert Multiplier Cells and quadrature modulators

Modulated radio frequency signal generation method and...

Modulator structure for a transmitter and a mobile station

Modulator using low-pass filter as delay element

Phase modulator operated in saturation and with small angle modu

Phase switching circuit

Phaseshift network for an IQ modulator

Quadrature modulator having phase shift and amplitude compensati

Suppressed carrier modulator formed from two partial modulators