Methods and apparatus for controlling signals

Mixer circuit and method

Mixer circuit with spurious rejection by using mismatch...

Mobile communication devices having high frequency noise...

Multi-band lookup table type predistorter

Multiband filter circuit and high-frequency transmitter

Nonlinear compensating circuit, base-station apparatus, and...

Peak factor reduction device

Piecewise linearizer circuit for radio frequency amplification

Polar modulation transmission apparatus

Polar modulation transmitter, adaptive distortion...

Power amplification device, especially with reduced input...

Power amplification device, in particular for a cellular...

Power amplifying method, power amplifier, and communication...

Power boosting technique for wireless multi-carrier power...

Pre-distortion cross-cancellation for linearizing power...

Predistortion circuit for a transmit system

Predistortion circuit for a transmit system

Predistortion linearizer and predistortion distortion...

Predistortion system and amplifier for addressing group...