Adaptive feedback channel for radio frequency power amplifiers

Adjustable transmission power control circuit

Amplifier having distortion compensation and base station for ra

Amplitude- and frequency- or phase-modulated radio frequency...

Antenna circuitry

Apparatus and method for controlling and measuring output power

Apparatus and method for controlling transmission power in a cel

Apparatus and method for efficiently implementing a satellite tr

Apparatus and method for improving power control loop linearity

Apparatus and method for producing a plurality of output signals

Apparatus and method for shaping and power controlling a signal

Apparatus and method for tuning the gain of a transmitter utiliz

Apparatus for compensating of phase rotation in a final amplifie

Apparatus for controlling output power of transmitter

Apparatus for linear transmitter with improved loop gain...

Apparatus for radio telecommunication system and method of...

Apparatus for radio telecommunication system and method of...

Apparatus for radio telecommunication system and method of...

Arrangement and a method relating to a radio unit

Arrangement and method for improving multi-carrier power...