POWER AMPLIFIER

POWER AMPLIFIER

90° COUPLER

RADIO FREQUENCY POWER AMPLIFIER

HIGH FREQUENCY POWER AMPLIFIER

POWER AMPLIFIER COMBINER

MULTIPORT INTERFEROMETRIC TRANSMITTER FOR CONCURRENT DUAL-BAND AND DUAL-POLARIZED TRANSMISSION AND METHODS THEREOF

Hybrid Couplers with Asymmetric Port Impedances for Balanced Amplifiers and Load-Modulated Balanced Amplifiers

AMPLIFIER AND DRIVER AMPLIFIER CIRCUIT

METHOD FOR SUPPLYING A LASER OR PLASMA WITH POWER, AND PLASMA OR LASER SYSTEM

Isolating amplifier apparatus

POWER RECONFIGURABLE POWER AMPLIFIER

POWER AMPLIFIER

DOHERTY POWER AMPLIFIER AND ELECTRONIC DEVICE INCLUDING THE SAME

Amplifier circuit arrangement and electronic device

RF amplifier circuit arrangement and electronic device

POWER AMPLIFIER USING COUPLER AND ELECTRONIC DEVICE INCLUDING THE SAME

Amplifier device packages incorporating internal couplers

Amplifier Circuits and Methods of Operating an Amplifier Circuit

Power reconfigurable power amplifier

Radio frequency front-end

Frequency multiplexing for qubit readout

Radio frequency power amplifier

RF power amplifier performance by clipping prevention of large PAPR signals

High power radio frequency (RF) amplifiers

Directional coupler and communication unit

TRANSMITTER DYNAMIC RF POWER CONTROL VIA VSWR DETECTION FOR WIRELESS RADIOS

High-voltage output amplifier

DOHERTY AMPLIFIER

Systems and methods for phase shifting signals

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

Doherty amplifiers with passive phase compensation circuits

Amplifier arrangement

Four-way Doherty amplifier and mobile telecommunications base station

Amplifier arrangement and method

Circuits for wireless communication on multiple frequency bands

Power amplifying converter

Josephson junction-based circulators and related systems and methods

Doherty amplifier

Driver circuit for composite power amplifier

Isolation in a multi-port amplifier

Architectures and devices related to Doherty amplifiers

0/90 degree coupler with complex termination

Digital pre-distortion parameter obtaining method and pre-distortion system

Compact microwave power amplifier circuit

Power amplifier and power amplification method

Bias adjustment circuitry for balanced amplifiers

Quasi-broadband amplifier according to the Doherty principle

Tracking system with orthogonal polarizations and a retro-directive array

Unbalanced linear power amplifier

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

System and method for a radio frequency coupler

Wideband amplifier

Semiconductor power amplifier

Quadrature hybrid coupler, amplifier, and wireless communication device

Quasi-broadband doherty amplifier with associated capacitor circuit

Amplifier module with multiple 90 degree hybrids

Dynamic characterisation of amplifier AM-PM distortion

Apparatus and method for balanced power amplification

Multi-way Doherty amplifier

High-frequency power amplifier with doherty extension

Dual N-port MPA

ACTIVE ANTENNA ARRANGEMENT WITH DOHERTY AMPLIFIER

Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance

Broadband amplifier system using a 3dB quadrature combiner to dynamically modulate load impedance

Power amplifying circuit and high-frequency module

Amplifier performance stabilization through preparatory phase

Multiport amplifier and multiport amplification method using the same

Multiple antenna transceiver

Butler matrix and multi-port amplifier having the same

Attenuator

Multi-band high-efficiency Doherty amplifier

Variable frequency amplifier

RF front-end circuit

Amplifier system for cell sites and other suitable applications

Multiport amplifier adjustment

Power amplifier with output power control

SYSTEM AND METHOD FOR IM3 REDUCTION AND CANCELLATION IN AMPLIFIERS

Balanced amplifying device having a bypass branch

INTEGRATED DOHERTY TYPE AMPLIFIER ARRANGEMENT WITH HIGH POWER EFFICIENCY

Power efficient transmitter with high dynamic range

Bypass device for microwave amplifier unit

Integrated doherty type amplifier arrangement with high power efficiency

Method and apparatus for a fail safe fourier transform matrix

Wireless backhaul power amplification using fourier transform matricies

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

Feedforward amplifier

POWER DIVIDER/COMBINER AND POWER DIVIDING/COMBINING METHOD USING THE SAME

Amplifier, transmitter arrangement having an amplifier and method for amplifying a signal

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

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

Microwave load

System and method for IM3 reduction and cancellation in amplifiers

Doherty amplifier

Apparatus for calibrating non-linearity of radio frequency power amplifier

Directive, broadband, high gain, active antenna system

Method and arrangement for optimizing efficiency of a power amplifier

Power amplification apparatus of a portable terminal

RF amplifier employing active load linearization

Feed forward amplifier system and method using the pilot frequency from a positive feedback pilot generation and detection circuit to improve second loop convergence

Doherty power amplifier with phase compensation

Photo detecting circuit and noise elimination method utilized to produce a photo reception signal

Power amplifying apparatus using asymmetric power drive

Load mismatch adaptation in coupler-based amplifiers

High frequency amplifier

Series-Type Doherty Amplifier Without Hybrid Coupler

High efficiency doherty amplifier with a segmented main amplifier

Hybrid active combiner and circulator

High efficiency amplifier

High frequency amplifier in an integrated circuit

Predistortion linearizing

Auxiliary transistor gate bias control system and method

Power amplifier utilizing high breakdown voltage circuit topology

Method and apparatus for an improved power amplifier

Parallel amplifier configuration with power combining and impedance transformation

Method and apparatus for an improved power amplifier

High linearity doherty communication amplifier with phase control

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