POWER AMPLIFICATION SYSTEM, RADIO FREQUENCY TRANSMISSION SYSTEM, AND SIGNAL TRANSMISSION APPARATUS

AUTONOMOUS ANALOG ORTHOGONAL LOAD MODULATION POWER AMPLIFIER

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

REMOTELY RECONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHODS

PSEUDO-DOHERTY LOAD MODULATED BALANCED AMPLIFIER

MULTIBAND DOHERTY POWER AMPLIFIER ARRANGEMENTS WITH HYBRID COMBINERS

AMPLIFIER CIRCUIT AND METHOD OF OPERATING AMPLIFIER CIRCUIT

POWER AMPLIFIER

BROADBAND PASSIVE LOAD MODULATION BALANCE POWER AMPLIFIER

OUTPHASING AMPLIFIER AND SIGNAL PROCESSOR FOR OUTPHASING AMPLIFIER

Remotely reconfigurable distributed antenna system and methods

AMPLIFIER DEVICE

AUTONOMOUS ANALOG ORTHOGONAL LOAD MODULATION POWER AMPLIFIER

DEVICE AND METHOD FOR SWITCHING A FREQUENCY RANGE OF A HIGH FREQUENCY AMPLIFIER

Amplifier Circuits and Methods of Operating an Amplifier Circuit

Radio frequency phase shifter with variable input capacitance

REMOTELY RECONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHODS

Coupler circuit

Remotely reconfigurable distributed antenna system and methods

Radio frequency power amplifier

REMOTELY RECONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHODS

Radio front end module with reduced loss and increased linearity

DIGITAL MULTI-BAND PREDISTORTION LINEARIZER WITH NON-LINEAR SUBSAMPLING ALGORITHM IN THE FEEDBACK LOOP

Digital power amplifier

Remotely reconfigurable distributed antenna system and methods

REMOTELY RECONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHODS

Remotely reconfigurable distributed antenna system and methods

MODULATION AGNOSTIC DIGITAL HYBRID MODE POWER AMPLIFIER SYSTEM AND METHOD

Coupler circuit

Remotely reconfigurable distributed antenna system and methods

Radio front end module with reduced loss and increased linearity

Methods for operating amplifiers and related devices

Remotely reconfigurable distributed antenna system and methods

Method for transforming the impedance of a radio-frequency transmission line of a printed circuit and printed circuit thereof

Directional coupler and communication unit

DOHERTY AMPLIFIER

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

Load modulation amplifier

Remotely reconfigurable distributed antenna system and methods

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

Switched amplifier

Amplifier arrangement

Coupler circuit

Linearization of a radiofrequency-signal transmission chain

RF phase shifting device

Amplifier arrangement and method

Circuits for wireless communication on multiple frequency bands

Modulation agnostic digital hybrid mode power amplifier system and method

Gallium nitride power amplifier

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

Amplifier

Coupler circuit

Bidirectional coupler

Digital multi-band predistortion linearizer with non-linear subsampling algorithm in the feedback loop

Josephson junction-based circulators and related systems and methods

Doherty amplifier

Compound semiconductor device and method of manufacturing the same

A RADIO FREQUENCY POWER AMPLIFIER

Amplifier device for high frequency signals

Power amplifier having selective signal paths

Power amplifier with input power protection circuits

Remotely reconfigurable distributed antenna system and methods

Wide band directional coupler

High efficiency variable voltage supply

Isolation in a multi-port amplifier

3-5 device with doped regions and method of fabricating

Compound semiconductor device and method of manufacturing the same

Remotely reconfigurable distributed antenna system and methods

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

Output control circuit

Solid state microwave generator and power amplifier

High efficiency variable voltage supply

Doherty amplifier with additional delay element

Compact microwave power amplifier circuit

Power amplifier and power amplification method

Power amplifier and transmission apparatus

Linear composite transmitter utilizing composite power amplification

Remotely reconfigurable distributed antenna system and methods

Adaptive linearizer

Bias adjustment circuitry for balanced amplifiers

Dynamic bias current adjustment for power amplifiers

Power amplifier having a common input and a plurality of outputs

Wireless communication device, method and power amplifier of the same

Quasi-broadband amplifier according to the Doherty principle

Doherty power amplifier circuit

Wireless transmission device

Tracking system with orthogonal polarizations and a retro-directive array

Amplification device and amplification method

Unbalanced linear power amplifier

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

Compact power detection circuit utilizing ground via coupling

Inverter/power amplifier with capacitive energy transfer and related techniques

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

Quasi-doherty architecture amplifier and method

Transmission apparatus and transmission method

Reconfigurable load modulation amplifier

Wideband amplifier

Power amplifier architectures with input power protection circuits

Modulation agnostic digital hybrid mode power amplifier system and method

Methods, devices, and algorithms for the linearization of nonlinear time variant systems and the synchronization of a plurality of such systems

Semiconductor power amplifier

Power amplifier

Systems and methods for adaptive power amplifier linearization

Wide-band coupler

Remotely reconfigureable distributed antenna system and methods

Transmission-line resistance compression networks and related techniques

Remote radio head unit system with wideband power amplifier and method

Compound semiconductor device and method for manufacturing the same

Power amplifier power controller

Power amplification device

Undersampled receiver characterization

Output impedance compensation of a pseudo-envelope follower power management system

Power distribution circuit

Method of producing semiconductor device

Rugged IQ receiver based RF gain measurements

Pseudo-envelope following feedback delay compensation

Power loop control based envelope tracking

Power amplifying apparatus for amplifying power and transmitter for transmitting signal by amplifying power

VSWR measurement circuit, radio communication apparatus, VSWR measurement method, and recording medium having VSWR measurement program stored thereon

Amplifier module with multiple 90 degree hybrids

Pre-distortion for fast power transient waveforms

Output impedance compensation of a pseudo-envelope follower power management system

Dynamic characterisation of amplifier AM-PM distortion

Apparatus and method for balanced power amplification

Transmitter linearized using look-up table with unadaptable data and method therefor

RF power amplifier and operating method thereof

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

Digital multi-band predistortion linearizer with nonlinear subsampling algorithm in the feedback loop

Multi-band power amplifier

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

Stacked CMOS power amplifier and RF coupler devices and related methods

Pre-distortion for fast power transient waveforms

COMPOUND SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

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

Pseudo-envelope follower power management system with high frequency ripple current compensation

Compound semiconductor device and method for manufacturing the same

Power amplifier insensitive to load impedance changes

Amplifier apparatus, radio transmitting apparatus including same, and method of adjusting gain of amplifier apparatus

WIRELESS COMMUNICATIONS INCLUDING DISTRIBUTED FEEDBACK ARCHITECTURE

Amplifier circuit, mobile communication device and method for adjusting a bias of a power amplifier

Baseband-derived RF digital predistortion

Minimum feedback radio architecture with digitally configurable adaptive linearization

RF power amplifier circuit with mismatch tolerance

Compound semiconductor device and method for manufacturing the same

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

Method of producing semiconductor device and semiconductor device

Transmitter and power supply control module

Modified dynamic load scaling (MDLS) technique for implementing high efficiency low power mode operation

Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a GaN (gallium nitride) power amplifier device

Broadband linearization module and method

Butler matrix and multi-port amplifier having the same

RF power amplifier and RF power module using the same

High efficiency variable voltage supply

Attenuator

Remotely reconfigurable distributed antenna system and methods

POWER AMPLIFIER REDUCING GAIN MISMATCH

Compensation device applied to power amplifier, method for determining pre-distortion of power amplifier, and method for compensating linearity of power amplifier thereof

RF power amplifier circuit with mismatch tolerance

Distortion compensation amplifier

Power amplifier and power amplifying method

Multi-band high-efficiency Doherty amplifier

Reconfigurable outphasing Chireix amplifiers and methods

Multiport amplifier and wireless device using the same

Distortion compensation device, radio communication device, and distortion compensation method

Reconfigurable wireless transmission system

ACTIVE ANTENNA ARRAY HAVING ANALOGUE TRANSMITTER LINEARISATION AND A METHOD FOR PREDISTORTION OF RADIO SIGNALS

Power amplifier linearization using cancellation-based feed forward methods and systems

System and method for power amplifier control saturation detection and correction

Stacked CMOS power amplifier and RF coupler devices and related methods

Linearizer incorporating a phase shifter

Combiner for Doherty amplifier

Remote radio head unit system with wideband power amplifier and method

Modulation agnostic digital hybrid mode power amplifier system and method

Power amplifier power controller

Variable frequency amplifier

V-band high-power transmitter with integrated power combiner

Distortion compensation circuit and a distortion compensation method

Monitor for spectral degradation of transmitter or receiver

Switchable balanced amplifier

Apparatus and method for reducing third-order intermodulation distortion

Phase correction apparatus and phase correction method

Phase corrector and phase correction method

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

Frequency offset Cartesian feedback system

Predistorter

Remotely reconfigurable power amplifier system and method

Radio system and a method for relaying radio signals

Transformer based voltage supply

Amplifier system for cell sites and other suitable applications

Semiconductor device

WIRELESS TRANSMISSION DEVICE AND WIRELESS TRANSMISSION METHOD

RF power amplifier and RF power module using the same

Predistorter and distortion compensation method

Radio station and active antenna array

Distortion compensator, distortion compensation method, and transmitter

Multiport amplifiers in communications satellites

Multiport amplifier adjustment

Wireless transmitter calibration using device receiver

Distortion correction device and method for power amplifier

Transmission suppression

Radio frequency amplification circuit utilizing variable voltage generator

Phase calibration for multiple transmitter systems

Minimum feedback radio architecture with digitally configurable adaptive linearization

WIRELESS BASE STATION DESIGN

Balanced amplifying device having a bypass branch

Power efficient transmitter with high dynamic range

Linearizing technique for power amplifiers

Progressive power generating amplifiers

Apparatus for coupling at least one of a plurality of amplified input signals to an output terminal using a directional coupler

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

Method and apparatus for a fail safe fourier transform matrix

Baseband-derived RF digital predistortion

High efficiency RF transmitter system using non-linear amplifiers

RADIO TRANSMISSION APPARATUS

Adaptively tuned RF power amplifier

Power amplifier predistortion methods and apparatus using envelope and phase detector

Feedforward amplifier

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

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

Distortion compensating apparatus

Microwave load

Transformer based voltage supply

Analog front end for a wireless device

Signal extraction circuit and distortion-compensated amplifier incorporating the same

High efficiency variable voltage supply

Doherty amplifier

Apparatus for calibrating non-linearity of radio frequency power amplifier

Digitally convertible radio

High gain, high efficiency power amplifier

Method and arrangement for optimizing efficiency of a power amplifier

Amplifier with passive data port for continuous VoIP

Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop

System and method for linearizing nonlinear power amplifiers

Multiple signal intermodulation reduction system

Load mismatch adaptation in coupler-based amplifiers

Hybrid active combiner and circulator

Peak power limitation in an amplifier pooling scenario

Amplifying signals using a quadrature coupled amplifier

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

Multiphase pulse modulated transmitter