AUTONOMOUS ANALOG ORTHOGONAL LOAD MODULATION POWER AMPLIFIER

THREE STAGE POWER AMPLIFIER WITH PEAK OUTPUT MATCH

DOHERTY AMPLIFIER CIRCUIT

POWER SPLITTER AND A POWER AMPLIFIER

Doherty Power Amplifier

PSEUDO-DOHERTY LOAD MODULATED BALANCED AMPLIFIER

POWER AMPLIFICATION DEVICE

MULTIBAND DOHERTY POWER AMPLIFIER ARRANGEMENTS WITH HYBRID COMBINERS

HIGH-BANDWIDTH LOAD-MODULATION POWER AMPLIFIER AND CORRESPONDING RADIO FREQUENCY FRONT-END MODULE

METHODS AND TECHNIQUES TO ACHIEVE TARGET PHASE SHIFT OVER WIDE FREQUENCY BAND IN THE INPUT OF DOHERTY POWER AMPLIFIERS

BROADBAND PASSIVE LOAD MODULATION BALANCE POWER AMPLIFIER

AMPLIFIER DEVICE

AUTONOMOUS ANALOG ORTHOGONAL LOAD MODULATION POWER AMPLIFIER

Amplifier Circuits and Methods of Operating an Amplifier Circuit

Radio frequency power amplifier

Self-calibrated multi-channel transmission system for a satellite payload

Radio front end module with reduced loss and increased linearity

Multi-channel Doherty amplifier, multi-antenna transmitter, and method for turning on the multi-channel Doherty amplifier

Method for making a wideband Doherty amplifier with reduced plan width and amplifier thereof

Radio front end module with reduced loss and increased linearity

Directional coupler and communication unit

DOHERTY AMPLIFIER

Method and system for linearizing an amplifier using transistor-level dynamic feedback

Multiport amplifier input network with compensation for output network gain and phase frequency response imbalance

Multiport amplifier input network with compensation for output network gain and phase frequency response imbalance

Amplifier circuit and method for compensating an output signal provided at an output of the amplifier circuit

Four-way Doherty amplifier and mobile telecommunications base station

Amplifier circuit for compensating an output signal from a circuit

Circuits for wireless communication on multiple frequency bands

Doherty amplifier

Gallium nitride power amplifier

DOHERTY AMPLIFIER

METHOD AND SYSTEM FOR LINEARIZING AN AMPLIFIER USING TRANSISTOR-LEVEL DYNAMIC FEEDBACK

Josephson junction-based circulators and related systems and methods

Doherty amplifier

Phase, amplitude and gate-bias optimizer for Doherty amplifier

A RADIO FREQUENCY POWER AMPLIFIER

Portable antenna with built-in amplifier for two-way or one-way communications

Power amplifier with input power protection circuits

Isolation in a multi-port amplifier

TDMA rate reconfigurable matrix power amplifier and method of communication in a FDMA/TDMA architecture

Method and system for linearizing an amplifier using transistor-level dynamic feedback

Reconfigurable load modulation amplifier

Reconfigurable load modulation amplifier

Compact microwave power amplifier circuit

Power amplifier and power amplification method

Power amplification device and control method of power amplification device

Power amplifier and transmission apparatus

Bias adjustment circuitry for balanced amplifiers

Efficiency-optimised high-frequency power amplifier

Wide-band multi stage doherty power amplifier

Power detector with overdrive detection

Unbalanced linear power amplifier

Method and system for linearizing an amplifier using transistor-level dynamic feedback

Enhancing isolation and impedance matching in hybrid-based cancellation networks and duplexers

Quasi-doherty architecture amplifier and method

Reconfigurable load modulation amplifier

Wideband amplifier

Power amplifier architectures with input power protection circuits

Semiconductor power amplifier

Power amplifier

Multi-channel radio-frequency receiver

Transmission-line resistance compression networks and related techniques

Quadrature hybrid coupler, amplifier, and wireless communication device

Power distribution circuit

Systems and methods of harmonic extraction and rejection

Amplifier module with multiple 90 degree hybrids

Pre-distortion for fast power transient waveforms

Dynamic characterisation of amplifier AM-PM distortion

Apparatus and method for balanced power amplification

Reconfigurable input power distribution doherty amplifier with improved efficiency

High-frequency power amplifier with doherty extension

Dual N-port MPA

ACTIVE ANTENNA ARRANGEMENT WITH DOHERTY AMPLIFIER

Pre-distortion for fast power transient waveforms

Apparatus for calibrating amplitude and phase errors, multiport amplifier including the same, and method of amplifying the multiport amplifier

Multi-port amplification device that self-compensates in the presence of traffic

Wide-band multi stage Doherty power amplifier

Minimum feedback radio architecture with digitally configurable adaptive linearization

RF power amplifier circuit with mismatch tolerance

Broadband linearization module and method

Butler matrix and multi-port amplifier having the same

Apparatus and method for a switched capacitor architecture for multi-band doherty power amplifiers

Attenuator

RF power amplifier circuit with mismatch tolerance

Linearization circuits and methods for power amplification

Linearizer incorporating a phase shifter

Variable frequency amplifier

V-band high-power transmitter with integrated power combiner

Linearization circuits and methods for power amplification

Switchable balanced amplifier

Multi-element amplitude and phase compensated antenna array with adaptive pre-distortion for wireless network

Amplifier system for cell sites and other suitable applications

Multiport amplifiers in communications satellites

Multiport amplifier adjustment

Minimum feedback radio architecture with digitally configurable adaptive linearization

Balanced amplifying device having a bypass branch

INTEGRATED DOHERTY TYPE AMPLIFIER ARRANGEMENT WITH HIGH POWER EFFICIENCY

Intermodulation signal generator of power amplifier and pre-distortion linearizer having the same

Progressive power generating amplifiers

Bypass device for microwave amplifier unit

FEEDFORWARD AMPLIFIER CIRCUIT AND METHOD FOR CONTROLLING A FEEDFORWARD AMPLIFIER CIRCUIT

Load insensitive balanced power amplifier and related operating method

High efficiency power amplifier

Method and apparatus for a fail safe fourier transform matrix

Power amplifier predistortion methods and apparatus using envelope and phase detector

High power phased array antenna system and method with low power switching

Delay modulator pre-distortion circuit for an amplifier

Feedforward amplifier

System, microwave switch and method for hot standby of radio frequency power amplifier

Power broadband amplifier

Method and apparatus for improving sector to sector isolation in a Fourier transform matrix system

System and method using the pilot frequency from a positive feedback pilot system to improve second loop convergence for a feedforward amplifier

Tunable predistorter

Microwave load

Doherty amplifier

High gain, high efficiency power amplifier

Method and arrangement for optimizing efficiency of a power amplifier

Apparatus for optimizing gate bias of radio frequency amplifier and method thereof

Amplifier with passive data port for continuous VoIP

Electronic circuit device

Load mismatch adaptation in coupler-based amplifiers

Hybrid active combiner and circulator

Amplifying signals using a quadrature coupled amplifier

Digital transmitter system employing self-generating predistortion parameter lists and adaptive controller