Envelope tracking modulator with feedback

RF-input / RF-output outphasing amplifier

Method and system for updating predistortion coefficient

Voltage boost for ET modulator

Driver amplifier systems and methods of their operation

Hardware-efficient compensator for outphasing power amplifiers

Apparatus and method for removing noise of power amplifier in mobile communication system

Directional couplers having variable power ratios and related devices, systems, and methods

Hybrid power amplifier comprising heterojunction bipolar transistors (HBTs) and complementary metal oxide semiconductor (CMOS) devices

Apparatus and methods power amplifier biasing

Amplifier circuit, bi-stage amplifier circuit, multi-stage amplifier circuit, RF-amplifier circuit, receiver section, RF-transceiver, and integrated circuit

Bandwidth limiting methods for GaN power transistors

Mutual Coupling Inductor Based Ultra-Wideband Power Amplifier And Design Method Thereof

Distortion-compensation device and distortion-compensation method

Distortion cancellation for dual stage carrier-aggregation (CA) low noise amplifier (LNA) non-linear second order products

Hybrid power amplifier having electrical and thermal conduction path

Dual stage carrier-aggregation (CA) low noise amplifier (LNA) having harmonic rejection and high linearity

Power amplifiers with signal conditioning

Doherty power amplifier apparatus

Systems and methods for delay calibration in power amplifier systems

Amplifier circuit with improved accuracy

Power amplifier bias circuit having parallel emitter follower

DITHERING THE MAGNETIZATION OF A FERRITE LOAD

Multi-stage amplifier with RC network

Carrier aggregation amplifier with dual gain control

Wireless communication device, method and power amplifier of the same

Linearizer

Power amplifier, transceiver, and base station

Receiver architecture for a compact and low power receiver

Offset compensation in a receiver

RF transceiver front end module with improved linearity

System and method for null filling of IQ waveform

Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information

High efficiency linearization power amplifier for wireless communication

POWER COMBINING CIRCUIT AND POWER COMBINING METHOD

Radio frequency power amplifier circuit

Method for class-B amplifier mismatch correction

Radio frequency amplifying circuit and power amplifying module

Electrical device

Apparatus and method for controlling power amplifier bias

Low-voltage analog variable gain amplifier with enhanced linearity

Digital amplitude modulation device and digital amplitude modulation method

Radio frequency power amplifier non-linearity compensation

Hybrid power module

RECEIVER WITH VARIABLE GAIN CONTROL TRANSIMPEDANCE AMPLIFIER

Apparatus and methods for envelope trackers

Power amplifier modules with bifet and harmonic termination and related systems, devices, and methods

Power amplifier modules including bipolar transistor with grading and related systems, devices, and methods

Power amplifier modules including wire bond pad and related systems, devices, and methods

Configurable power amplifier and related construction method

High frequency amplifier and method of compensating for distortion

Quasi-broadband amplifier according to the Doherty principle

Power supply stage

Broadband power amplifier systems and methods

Radio frequency power amplifier and method for increasing power added efficiency and linearity

Amplifier circuit and operation method thereof

High-frequency amplifier circuit

Device and method for controlling power amplifier

Wireless power transmitting method and apparatus using dual-loop in-phase feeding

Systems, devices and methods related to improved radio-frequency modules

Broadband microwave variable gain up-converter

Systems, circuits and methods related to dynamic error vector magnitude corrections

Devices and methods related to embedded sensors for dynamic error vector magnitude corrections

Broadband high efficiency amplifier system and a method of constructing high power amplitude modulated RF signal

Power amplifying radiator (PAR)

High-frequency amplifier circuit

Apparatus and methods for power amplifiers

Ultra wideband doherty amplifier

Circuits and methods for biasing a power amplifier

OUTPHASING POWER AMPLIFIER HAVING UNBALANCED DRIVE POWER

Power amplifier circuit for communication systems

Systems and methods for increasing the effectiveness of digital pre-distortion in electronic communications

Phase-arrayed transceiver

Wireless transmission device

Envelope tracking system for MIMO

Apparatus and a method for amplifying a transmit signal

Low noise amplifier and receiver

Envelope tracking push-pull or differential power amplifier

Apparatus and a method for providing a supply control signal for a supply unit

Spurious signal mitigation for carrier aggregation amplifier

Modular spatially combined EHF power amplifier

Systems and methods for providing modulation of switchmode RF power amplifiers

Power amplification module

Method and apparatus for partial envelope tracking in handheld and wireless computing devices

Bias control for stacked transistor configuration

Amplifier, driving method for amplifier, and electronic circuit system

Current re-using wideband low-noise active balun

Multi-path devices with mutual inductance compensation networks and methods thereof

Power amplifier and power amplification method

System and method for adaptive linearization of RF amplifiers

Low noise amplifier and receiver

RF amplifier control in parallel RF transmission based on power requirements

Parametric transducer with adaptive carrier amplitude

DYNAMIC GAIN ASSIGNMENT IN ANALOG BASEBBAND CIRCUITS

MULTI-PORT AMPLIFIER AND METHOD FOR CONTROLLING THEREOF

Signal processing apparatus

High-frequency drain power supply to decrease power dissipation in class-AB power amplifiers

Transformers and methods for fabricating transformers

Wireless communication device, method and power amplifier of the same

AMPLIFICATION DEVICE AND RADIO COMMUNICATION APPARATUS EQUIPPED WITH AMPLIFICATION DEVICE

Technique for Extremely High Order IM Correction

PPA linearization

Load current sensor for envelope tracking modulator

Harmonic rejection power amplifier

Bias circuits and methods for stacked devices

Integrated circuit chip for receiver collecting signals from satellites

Equalization of frequency-dependent gain

Multimode power amplifier and method of switching among multiple modes thereof, and mobile terminal

Power detector with overdrive detection

Distortion compensation circuit and transmission device using distortion compensation circuit and high-frequency power amplifier

Envelope tracking apparatus and method

Multi mode bias modulator operating in envelope tracking mode or average power tracking mode and envelope tracking power amplifier using the same

Multi-mode bias modulator and envelope tracking power amplifier using the same

High-frequency power amplifier and method for manufacturing the same

Automatic gain control apparatus, automatic gain control method, and receiver

Amplifier circuit, antenna module and wireless communication apparatus

Bandwidth improvement for amplifiers

Transmitter system with reconfigurable amplifiers

High frequency module

Transmitter and method of transmitting

Transmit receive front end

Systems and methods for increasing the effectiveness of digital pre-distortion in electronic communications

Microwave amplifier device

OUTPUT POWER TUNING USING PULSE POSITION AND PULSE WIDTH CONTROL IN A PULSE POSITION, PULSE WIDTH MODULATION AMPLIFIER

Three-dimensional power amplifier architecture

Unbalanced linear power amplifier

Distortion compensation apparatus and distortion compensation method

Systems and methods for combining power through a transformer

Area-efficient degenerative inductance for a low noise amplifier (LNA)

Analog feedback amplifier

Transmission apparatus and transmission method

Power amplifier saturation detection

Compact power detection circuit utilizing ground via coupling

DUAL-BAND DOHERTY COMBINER/IMPEDANCE TRANSFORMER CIRCUIT AND DOHERTY POWER AMPLIFIER INCLUDING THE SAME

Method and apparatus for adjusting peak power capability

Method and device for signal processing

RF amplifier having discrete supply voltages

Amplifier assembly

AMPLIFIER CIRCUIT

Quadrature modulator

High efficiency amplification

Method and system for crest factor reduction

Direct current (DC)-DC converter having a multi-stage output filter

Wireless communication system

Power amplifier module

Systems and methods for using a digital power amplifier controller (DPAC) having foward-loop correction and feedback-loop correction

Power amplification circuit and power amplification module

Pseudo-envelope following power management system

Apparatus and methods for envelope trackers

Radio-frequency transmitter and amplifier

Signal amplifier having inverted topology

Tunable loadline

Signal path termination

Power amplifying module

Receiving device, receiving method, and non-transitory computer-readable storage medium storing program

TIA-to-ADC interface with low-noise and a wide-range of passive gain control

Augmented twin nonlinear two-box modeling and predistortion method for power amplifiers and transmitters

Interference suppression for switched mode power supply with error correction

Wideband active balun LNA topology with narrow-band filtering and noise cancelling

Systems, circuits and methods related to multi-mode power amplifiers having improved linearity

Integrated power supply and modulator for radio frequency power amplifiers

Amplifying system

Amplifier with adjustable load

AMPLIFIER, TRANSMITTER, AND AMPLIFICATION METHOD

Apparatus and methods for calibrating envelope trackers

Power amplifier and transmitter

Multiple-state, switch-mode power amplifier systems and methods of their operation

Multi-mode power amplifier

Low-cost receiver using integrated inductors

Power amplifier with self aligned peaking stage

Multiwire linear equalizer for vector signaling code receiver

Extended bandwidth adaptive digital pre-distortion with reconfigurable analog front-ends

Power amplifier

Wireless communication device

High efficiency radio frequency power amplifier circuitry with reduced distortion

Radio frequency signal amplifying system

Overstress management for power amplifiers

Frequency selective predistortion

Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption

Parallel correction amplifier

Multi-mode power amplifier and mobile communication terminal having the same

Devices and methods for improving yield of scalable periphery amplifiers

Devices and methods for increasing reliability of scalable periphery amplifiers

DUAL PATH RF AMPLIFIER CIRCUIT

Amplifier circuit

Methods and devices for testing segmented electronic assemblies

Multimode power amplifier bias circuit with selectable bandwidth

Quasi-differential RF power amplifier with high level of harmonics rejection

Low-noise amplifier matching

Hardware-efficient signal-component separator for outphasing power amplifiers

Distortion compensation apparatus, wireless communication system, and distortion compensation method

Power control

Doherty amplifier with peak branch RF conditioning

Cavity filter, power amplifying module

AMPLIFYING APPARATUS, COMMUNICATION APPARATUS AND AMPLIFICATION METHOD

Circuit and Method for Generating A Variable Delay in an Electromagnetic Signal Crossing Said Circuit, in Particular for Use in A Doherty-Configured Amplifier

Weakly coupled RF network based power amplifier architecture

Optimal envelope tracking reference waveform generation

High voltage wide bandwidth amplifier

Reconfigurable load modulation amplifier

Using fractional delay computations to improve intermodulation performance

RF power detector and detection method

Gain invariant impedance feedback amplifier

Predistortion correction method, predistortion correction apparatus, transmitter, and base station

Amplification circuit

Dynamic error vector magnitude duty cycle correction

Amplifier circuit

RF amplification device with power protection during high supply voltage conditions

Digital predistortion system and method with extended correction bandwidth

Digital predistortion apparatus and method

HARMONIC TRAP FOR COMMON GATE AMPLIFIER

Filter for switched mode power supply

Supply modulator

High-frequency power amplifier

Pre-distortion method, associated apparatus and non-transitory machine readable medium

Control system for a power amplifier

Expanded range DC-DC converter

Radio communication circuit and radio communication apparatus

Peak-to-average ratio detector

Power detection circuit and RF signal amplification circuit having the same

Power amplifier module

Time and amplitude alignment in envelope tracking amplification stage

Apparatus and methods for biasing power amplifiers

Feed-forward amplifier device and method thereof

Methods and devices for improving power amplifier efficiency

Dynamic amplifier supply

Dual-band high efficiency Doherty amplifiers with hybrid packaged power devices

Device and method for controlling an input signal of a power amplifier

Folded cascode amplifier

Power amplifier architectures with input power protection circuits

Controller and method for controlling a signal processor

Modulation agnostic digital hybrid mode power amplifier system and method

Apparatus and methods for wide local area network power amplifiers

Circulator Power Amplifier Circuit And Design Method Therefor

Amplifying apparatus

Dynamic headroom for envelope tracking

TIMING ALIGNMENT FOR MODULATED SUPPLY

Control loop for amplification stage

Bias circuit

Method of power amplifier calibration

Multi-broadband Doherty power amplifier

High speed power supply system

Protection module for RF-amplifier

Radio frequency power amplifier and electronic system

AMPLIFIER IN DOHERTY CONFIGURATION COMPRISING A DEVICE FOR VARYING THE WORKING FREQUENCY AND METHOD THEREOF

Marchand balun and power amplifier using the same

Power supply device, method for managing power supply thereof and wireless communication terminal

Amplifier calibration

Dual mode power amplifier control interface with a multi-mode general purpose input/output interface

BIPOLAR TRANSISTORS WITH CONTROL OF ELECTRIC FIELD

Bandwidth-extended Doherty power amplifier

Semiconductor device and circuit with dynamic control of electric field

Amplifier

Wireless communication system

Envelope tracking system for MIMO

Circuit layout and method for frequency-dependent matching of a high-frequency amplifier stage

Linearization of heterogeneous power amplifier systems

Automatic gain control of a received signal using a power target

Method and system for a configurable low-noise amplifier with programmable band-selection filters

Quadrature lattice matching network

Apparatus and methods for buffer linearization

Radio frequency power amplifier with no reference voltage for biasing and electronic system

Digital hybrid mode power amplifier system

Radio frequency power amplifiers

Apparatus and methods for reducing capacitive loading of an envelope tracker

Apparatus and methods for envelope shaping in power amplifier systems

High-frequency amplifier circuit, semiconductor device, and magnetic recording and reproducing device

Dual instantaneous envelope tracking

Integrated pulse shaping biasing circuitry

Power amplifier circuit based on a cascode structure

Apparatus and methods for voltage converter bypass circuits

Power amplifier and communication device

Compensating for non-linear capacitance effects in a power amplifier

High Efficiency Amplification

Radio frequency amplifying circuit and power amplifying module

Power amplifier saturation detection

Weakly coupled based harmonic rejection filter for feedback linearization power amplifier

Internally, resistively, sensed darlington amplifier

LINEAR AMPLIFIER ARRANGEMENT FOR HIGH-FREQUENCY SIGNALS

RF power amplifier with PM feedback linearization

RF replicator for accurate modulated amplitude and phase measurement

Gain and phase calibration for closed loop feedback linearized amplifiers

RF power amplifier with total radiated power stabilization

Power amplifier with wide dynamic range am feedback linearization scheme

High-frequency, broadband amplifier circuit

Three stage amplifier

Amplifier phase distortion correction based on amplitude distortion measurement

PA cell, PA module, wireless communication unit, RF transmitter architecture and method therefor

Power amplifier spurious cancellation

Power amplifying module

Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information

High efficiency power amplifiers with advanced power solutions

Bias circuit and amplifier controlling bias voltage

Radio frequency amplifying apparatus having protection voltage varying function

High efficiency amplification

Bias circuit and amplifier with current limit function

Bi-directional power supply signal based linear amplifier

Signal processing circuit with circuit induced noise cancellation

Remote radio head unit system with wideband power amplifier and method

2G support for 2G and 3G/4G envelope tracking modulator