US9444417B2 - Weakly coupled RF network based power amplifier architecture - Google
Patents US9444417B2 - Weakly coupled RF network based power amplifier architecture …

The disclosure provides a communication circuit including an amplification circuit, a
replicator circuit, and a correction circuit. Specifically, the amplification circuit generates an …

Disclosed are methods, systems, devices, apparatus, media, design structures, and other
implementations, including a method for digital predistortion of multiband signals that …

Disclosed are implementations, including a method for digital predistortion of multiband
signals that includes receiving an input signal comprising multiple signal portions in different …

Disclosed are systems, devices, modules, methods, and other implementations, including a
method for digital predistor tion that includes receiving, by a digital predistorter, a first signal …

Disclosed are implementations that include a method com prising applying at least one input
signal to a power ampli fication system, that includes a transmit chain with a power amplifier …

Radio frequency (RF) filters configured to filter undesired signal components (eg, noise and
harmonics) from RF signals are disclosed. In one embodiment, an RF filter includes a first …

An apparatus and technique for operating an RF amplifier having a pre-distortion processor
and a drain modulation circuit includes generating a compensating drain bias signal having …

The present invention is directed to systems and methods for reducing the distortion of
power amplifiers. In particular, methods and systems are described that enable a …

This application discloses correction circuitry for correcting a phase distortion in an
amplification circuit by measuring an amplitude distortion and controlling a phase shifting …