Power amplifier circuit

Integrated RF front end with stacked transistor switch

High-power solid-state microwave generator for RF energy applications

FILTER WITH SURFACE ACOUSTIC WAVE DEVICE FOR CARRIER AGGREGATION SYSTEM

Doherty power amplifier circuit

Bias circuit

System, apparatus and method for achieving scanning safety for a magnetic resonance conditionally safe implant

Tunable power amplifier with wide frequency range

Power amplifier circuit

SIGNAL PROCESSING SYSTEM AND METHOD THEREOF

SIGNAL PROCESSING SYSTEM AND METHOD THEREOF

Bias circuit and power amplifier circuit

Envelope tracking bias circuit

Hybrid Power Supply Unit For Audio Amplifier

Behavioral Modeling Of Concurrent Multiband Power Amplifiers

Signal processing system and method thereof

Rail-to-rail source follower

Compound semiconductor device with quantum well structure, power supply device, and high-frequency amplifier

Current compensation circuit

Modular multi-channel RF calibration architecture for linearization

Feed-forward envelope tracking

Systems and methods for cooling an electronic device

Aggregate signal amplification device and method

FET OPERATIONAL TEMPERATURE DETERMINATION BY FIELD PLATE RESISTANCE THERMOMETRY

FET OPERATIONAL TEMPERATURE DETERMINATION BY GATE STRUCTURE RESISTANCE THERMOMETRY

Current-limiting circuit for a power amplifier

Phase-Switched Impedance Modulation Amplifier

Tunable filter for RF circuits

POWER AMPLIFIER CIRCUIT AND METHOD OF DESIGN

Envelope tracking frontend device and switch thereof

Generation and synchronization of pulse-width modulated (PWM) waveforms for radio-frequency (RF) applications

Inductor and power amplifier module

Power amplification module

Surface acoustic wave device with thermally conductive layer

Acoustic wave filters with thermally conductive sheet

Envelope-tracking power supply modulator

Audio device and control method for an audio device

Power amplifier circuit

Configurable radio frequency power amplifier and method thereof

Power amplification circuit

Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies

High efficiency transducer driver

Signal switching systems and modules and devices using same

Power amplifier module

LC network for a power amplifier with selectable impedance

Envelope-tracking current bias circuit with offset cancellation function

Multi-stage high frequency amplifier

Method of reducing memory effect of power amplifier

APPARATUS AND METHODS FOR POWER AMPLIFIER BIASING

Envelope trackers providing compensation for power amplifier output load variation

Output circuit

Power amplifier self-heating compensation circuit

Managing a shoot-through condition in a component containing a push-pull output stage

Multi-stage amplifier circuit with zero and pole inserted by compensation circuits

Correcting for non-linearity in an amplifier providing a differential output

Power amplification circuit

Push-pull amplification systems and methods

DC-to-DC converter block, converter, and envelope tracking system

Apparatus and methods for biasing of power amplifiers

Power amplifier module

Amplifier circuit for compensating an output signal from a circuit

Distributed power amplifiers

Power amplifier ramping and power control with forward and reverse back-gate bias

Apparatus and methods for envelope tracking systems

DYNAMIC BIAS CONTROL

Wide-band amplifiers using clipper circuits for reduced harmonics

COMPACT LOAD NETWORK FOR DOHERTY POWER AMPLIFIER USING LUMPED COMPONENTS

Apparatus and methods for reducing inductor ringing of a voltage converter

Power amplifying apparatus with spurious signal reduction function

Control system for a power amplifier

POWER SOURCE CIRCUIT

Power amplification module

Power amplifier module

Feed-forward envelope tracking

Power envelope tracker and adjustable strength DC-DC converter

LDMOS transistor structure and method of manufacture

Gate voltage control circuit of insulated gate bipolar transistor and control method thereof

Amplifier with nonlinearity compensation

Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith

HIGH GAIN RF POWER AMPLIFIER WITH NEGATIVE CAPACITOR

Semiconductor device

Current mirror bias compensation circuit

Stacked PA power control

Switching audio amplifier

Demultiplexing apparatus and method of designing the apparatus

High-frequency semiconductor amplifier

Power amplifier using equivalent transformer

Amplifier architectures with bypass circuits and resonant structures

Power amplifier circuit

Radio-frequency devices having AM-PM distortion correction features

Near field communications device

DRAIN LAG COMPENSATION CIRCUIT FOR RF POWER TRANSISTORS

Radio frequency feedback power amplifiers

RF power amplifier dynamic supply boosting circuit

Power amplifier module

Audio amplifier and audio power amplifier

Amplfiers and related integrated circuits

Predistorter for compensating linearity of an amplifier

Power amplifier module

Multi-power amplification

High-frequency signal processing apparatus and wireless communication apparatus

Class AB amplifier having cascode stage with filter for improving linearity

Offset calibration for amplifier and preceding circuit

Method for limiting amplifier input current to avoid low voltage conditions

Systems and methods for predictive switching in audio amplifiers

Low-noise amplifier (LNA) with capacitive attenuator

Efficient wideband envelope tracking power amplifier

Dual hysteretic control loop of envelope tracking

Automatic bias controller for a pulsed power amplifier

Interference cancellation relay device

Sinewave generation from multi-phase signals

Amplifier with auxiliary path for maximizing power supply rejection ratio

Systems and methods for improved power yield and linearization in radio frequency transmitters

Amplifier device

Method and electronic device for minimizing noise in power amplifier

Control device using GaN semiconductor

Amplifier with power dissipation reduction using single radio frequency digital-to-analog converter

Switch and matching noise cancelling for switch low noise amplifier

Radio frequency (RF) devices with resonant circuits to reduce coupling

Bias circuit

Transmit-and-receive module

RF switch with split tunable matching network

Linear CMOS PA with low quiescent current and boosted maximum linear output power

Body tie optimization for stacked transistor amplifier

Method of switching on and off a power amplifier, related power amplifier circuit, system and computer program product

Boost circuit for use in power amplifier

Power amplification circuit

Transformer including a current induction device having an amplifier circuit

Apparatus and methods for low noise amplifiers

Power amplification device and television signal transmission system

Power amplifier

Heterojunction bipolar transistor device integration schemes on a same wafer

Frequency-modulated continuous wave generator and frequency-modulated continuous wave radar system including the same

Power amplifier output power control circuit

Power amplifier and gain reduction circuit thereof

Amplifier system with digital switched attenuator

Low leakage protection circuit for RF power amplifier

Systems and methods providing loadline modulation of a power amplifier

DC-DC converter block, DC-DC converter comprising same and associated system envelope tracking system

SEMICONDUCTOR PACKAGE, MANUFACTURING METHOD THEREOF, AND ELECTRONIC ELEMENT MODULE USING THE SAME

Multi-mode multi-frequency power amplifier

Source follower based envelope tracking for power amplifier biasing

Differential source follower driven power amplifier

Adaptive multiband power amplifier apparatus

Envelope tracking current bias circuit and power amplifier apparatus

High-frequency amplifier apparatuses

ARITHMETIC METHOD, BASE STATION DEVICE, AND ARITHMETIC CIRCUIT

Method and circuit for suppressing pop noise in an audio operation amplifier

Communication module

Charge pump input current limiter

Amplifier circuitry and method for amplifying a signal using said amplifier circuitry

Low-noise amplifier and electronic device

Current output circuit

Aggregate signal amplification device and method

High efficiency linearization power amplifier for wireless communication

Radio frequency apparatus and method with dual variable impedance components

Multiple-band matching network for a Doherty power amplifier and amplifiers, transmitters, and base stations using the same

Compound semiconductor device including diffusion preventing layer to suppress current collapse phenomenon, method of manufacturing compound semiconductor device, power supply unit, and amplifier

Semiconductor device including a LDMOS transistor, monolithic microwave integrated circuit and method

Power amplifier module

Switching power supply for RF power amplifiers

Configurable mixer

Amplifier system and method for controlling amplifier

Dynamic biasing of power amplifiers

Power circuit including ballast element

Board having electronic element, method for manufacturing the same, and electronic element module including the same

Multi-input amplifier with improved return loss and mismatch over gain modes

Semiconductor device

Output power cell for cascode amplifiers

Power amplification circuit

Amplifier biasing circuits and method

Systems and methods providing an intermodulation distortion sink

Adjustable gain power amplifier, gain adjustment method and mobile terminal

POWER SUPPLY CONTROL

Active bias circuit for power amplifier, and mobile terminal

High-frequency signal processing apparatus and wireless communication apparatus

Embedded speaker protection for automotive audio power amplifier

Power converting system

Broadband matching network

Power amplifier with stabilising network

Compound semiconductor device and method of manufacturing the same

Protection circuit for an RF power amplifier

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

Solid state switch relay

Active cross-band isolation for a transformer-based power amplifier

SYSTEMS AND METHODS FOR A PREDISTORTION LINEARIZER WITH FREQUENCY COMPENSATION

Wireless device with a multi-turn directional coupler

Methods and devices for ramping a switched capacitor power amplifier

Doherty-Chireix combined amplifier

Radio frequency device

Radio frequency power amplifier

Compact chireix combiner and impedance matching circuit

RF power transistor circuits

Method for limiting amplifier input current to avoid low voltage conditions

Buffer with increased headroom

Power amplifier circuit

RF power amplifier with dynamic impedance matching through discrete presets and/or a variable power supply

CIRCUITS AND OPERATING METHODS THEREOF FOR MONITORING AND PROTECTING A DEVICE

Amplifiers operating in envelope tracking mode or non-envelope tracking mode

Power amplification circuit

Transconductance amplifier having low distortion

AlO/InOgate insulator for HEMT

RF power transistor circuits

Output circuit

Power amplifier with bias adjustment circuit

Envelope tracking power management circuit

Radio Frequency Duplexer

Power control method, device and communication terminal for improving power amplifier switch spectrum

Compensation parameter and predistortion signal

Power amplification circuit

Semiconductor device

Power amplifier module

Power amplification module

Power amplification circuit

Adaptive impedance power amplifier

Semiconductor device and method for manufacturing the semiconductor device

Methods, modules and devices for detecting a saturation condition of a power amplifier

Millimetre wave power amplifier and a method of optimising such a power amplifier

Bias circuit for power amplifier

Power amplification circuit

Broadband Doherty power amplifier

Power amplification module

Tunable active silicon for coupler linearity improvement and reconfiguration

LC network for a power amplifier with selectable impedance

Frequency and back-off reconfigurability in mm-wave power amplifiers

Power amplification circuit

Power amplifier

Highly linear, highly efficient wideband RF power amplifier having wide video bandwidth capability

Power amplification apparatus and method for controlling power amplification apparatus

High-frequency signal processing apparatus and wireless communication apparatus

Power amplifier modules with bonding pads and related systems, devices, and methods

Systems and methods for linearizing operation of a power amplifier

Power amplifier circuit

Semiconductor device and method of manufacturing semiconductor device

Radio frequency amplifier system and heat dissipation device thereof

Amplifier circuit and method

Method And Apparatus For Cancellation Of Spurious Signals

Power amplifier module

Power amplifier

SINGLE-INPUT SINGLE-OUTPUT TWO-BOX POLAR BEHAVIORAL MODEL FOR ENVELOPE TRACKING POWER AMPLIFIERS

Power-adjustable radio frequency output circuit

Heterojunction bipolar transistor

Low dropout regulator with replica feedback frequency compensation

Integrated RF front end with stacked transistor switch

Analog predistorter core module and analog predistorter system

Method for performing communication and electronic device supporting same

Power amplifier

Wide band directional coupler

Control system for a power amplifier

Auto-bias circuit for stacked FET power amplifier

Power amplification circuit

Apparatus and methods for reducing inductor ringing of a voltage converter

SEMICONDUCTOR DEVICE, POWER-SUPPLY DEVICE, AND AMPLIFIER

Power amplification module

Power amplifier system and associated bias circuit

Power amplifier circuit and operating method thereof

High-efficiency high-integrated receiver

Power amplifier system and associated control circuit and control method

Power amplification module

Amplifier with base current reuse

Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies

DUAL BAND POWER AMPLIFIER CIRCUIT FOR MICROWAVE ABLATION

Reducing power amplifier gain drift during a data burst

Overstress indicator

Capacitive Cross-Coupling and Harmonic Rejection

Advanced amplifier system for ultra-wide band RF communication

Amplifier with nonlinearity compensation

Apparatus for and method of a supply modulator for a power amplifier

Power amplification module

Apparatus and methods for envelope shaping in mobile devices

Generating power supply signals for a plurality of RF power amplifiers

Nonlinear class AB input stage

Power amplification circuit

Apparatus and methods for power amplifier biasing

Insulated gate bipolar transistor driving circuit

Band-based amplifier linearity adjustment

Current-mode power amplifier

Power amplifier and gain switching circuit thereof

Amplifier system, controller of main amplifier and associated control method

Amplifier system and method for controlling amplifier

Apparatus and methods for protecting radio frequency amplifiers from overdrive

Amplifier

DIGITAL RADIO FREQUENCY AMPLIFICATION SYSTEM

Broadband envelope tracking

Distortion correction in cascode power amplifiers

Power amplifying apparatus and method using same

High-frequency signal processing apparatus and wireless communication apparatus

Dual operation mode power amplifier

Protection circuit for power amplifier

Power amplification circuit

Compound semiconductor device and manufacturing method thereof

3-5 device with doped regions and method of fabricating

Gallium nitride based high electron mobility transistor (GaN-HEMT) device with an iron-doped cap layer and method of manufacturing the same

Sink/source output stage with operating point current control circuit for fast transient loading

Semiconductor device leadframe

Current output circuit

Methods of calibrating a power amplifier system to compensate for envelope amplitude misalignment

Power amplifier module

Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith

Class AB amplifier with bias control