Method and system for minimizing power consumption in a communication system

Low-voltage power-efficient envelope tracker

Amplifier circuit and radio communication apparatus

Controlling a transmit path based on monitored error vector magnitude (EVM) performance

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

Method and apparatus for programmable envelope shaping circuit based on piecewise linear interpolation

Radio transmitter system and method

Efficiency improvement of doherty power amplifier using supply switching and digitally controlled gate bias modulation of peaking amplifier

Amplifier apparatus, signal processing apparatus, radio communication apparatus, connector mounting structure, and coaxial connector

Power amplifiers with improved efficiency over power control

Power control for linear and class AB power amplifiers

Amplifier, transmission device, and amplifier control method

Pseudo-envelope following power management system

Systems and methods for minimizing phase deviation and/or amplitude modulation (AM)-to-phase modulation (PM) conversion for dynamic range, radio frequency (RF) non-linear amplifiers

Envelope extraction with reduced bandwidth for power modulation

Apparatus and methods for envelope tracking

Polar amplification transmitter distortion reduction

Amplifying device

Power amplifier architectures

Amplifying device and signal processing device

Envelope path processing for envelope tracking amplification stage

Amplitude/phase delay calibration for envelope-tracking amplifier

Timing alignment for power amplifier

Amplification device

Apparatus and methods for capacitive load reduction

Amplifying device

Power control

RF power amplifier circuit with mismatch tolerance

Transmitter and power supply control module

High efficiency amplification

Frequency correction of a programmable frequency oscillator by propagation delay compensation

Control of cross-over point

Apparatus and methods for envelope tracking calibration

Fast envelope system calibration

Amplifying device and wireless transmission device using the same

Power amplifier control circuit

Digital pre-distortion power amplifying apparatus and method for digitally controlling synchronization thereof

Amplifying device and method involving envelope signal

Apparatus and methods for biasing a power amplifier

Apparatus and methods for capacitive load reduction

Power Amplifiers for Wireless Systems

Apparatus and methods for capacitive load reduction

Differential amplifier circuit

Amplifying apparatus

Transmission circuit, communication apparatus, and transmission method

METHOD AND APPARATUS FOR MEASURING TIME DELAY IN ENVELOPE ELIMINATION AND RESTORATION TRANSMITTER

Joint optimisation of supply and bias modulation

Joint optimisation of supply and bias modulation

High efficiency variable voltage supply

Method and system for minimizing power consumption in a communication system

Radio-frequency power amplifier with fast envelope tracking

Power amplifier and method for controlling power amplifier

Power supply stage

DC power control for power amplifiers

Efficient amplification stage

Signal alignment for envelope tracking system

Power amplifier

Power amplifier amplitude modulator system and method

Push-pull linear hybrid class H amplifier

Multi-Channel Noise Reduction System with Direct Instrument Tracking

Two stage Doherty amplifier

RF power amplifier circuit with mismatch tolerance

System and method for compensating for changes in an output impedance of a power amplifier

High frequency amplifier, wireless device, and control method

Power amplification device and communication device

POWER AMPLIFYING DEVICES

Power amplifying devices

Power amplifier and semiconductor integrated circuit

Electronic apparatus, transmitter, amplifier, and amplifier control method

Linearization circuits and methods for power amplification

Fast tracking power supply device, fast tracking power supply control method, and communication equipment

Power amplifier

Multiple envelope tracking system for an active antenna array

Single envelope tracking system for an active antenna array

Dynamic range improvements of load modulated amplifiers

Filter for switched mode power supply

Power amplification apparatus and power amplification method

Control loop for amplification stage

Power supply method, apparatus, and system for a radio frequency power amplifier

RF power amplifiers with linearization

Radio communication device and radio communication method

Linearization circuits and methods for power amplification

Pre-distortion and memory compensation apparatus

Envelope tracking power supply circuit and high-frequency amplifier including envelope tracking power supply circuit

Radiofrequency signal power amplification method and device

Dynamic bias supply devices

HIGH-FREQUENCY AMPLIFIER

Power amplification device and communication device

AMPLIFIER CIRCUIT

ENVELOPE DETECTOR, LINEARIZATION CIRCUIT, AMPLIFIER CIRCUIT, METHOD FOR DETECTING A MODULATION ENVELOPE AND WIRELESS COMMUNICATION UNIT

Amplifying circuit and amplifying method

System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in RF power amplifiers

Method and system for power amplifier (PA) with on-package matching transformer

APPARATUS AND METHOD FOR IMPROVING LINEARITY OF TRANSMITTER

Power amplifier architectures

Push-pull linear hybrid class H amplifier

Power amplifier

Method and system for a highly efficient power amplifier utilizing dynamic baising and predistortion

Operational amplifier circuit and arc fault circuit interrupter including the same

RF power transmission, modulation, and amplification embodiments

Asynchronous delta-sigma modulator and a method for the delta-sigma modulation of an input signal

Joint optimisation of supply and bias modulation

Generation and amplification of substantially constant envelope signals, including switching an output among a plurality of nodes

Compensating for variations in the response of a power supply

Method and system for improving efficiency over power control for linear and class AB power amplifiers

SYSTEM AND METHOD OF CONTROLLING POWER CONSUMPTION IN RESPONSE TO VOLUME CONTROL

Linearizing technique for power amplifiers

Joint optimisation of supply and bias modulation

RF power amplifiers with linearization

Power amplifier architectures

Power amplifier, power amplifier circuit and power amplifying method

Power supply providing ultrafast modulation of output voltage

Predistorter

Power supply providing ultrafast modulation of output voltage

High efficiency power amplifier

Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters

Apparatus for power amplification based on envelope elimination and restoration (EER) and push-pull switching

Predistorter

Amplifier with dynamic bias

Method and apparatus for improving the performance of MIMO wireless systems

High efficiency amplification

RF power amplifier controlled by estimated distortion level of output signal of power amplifier

Method and apparatus for sensing the envelope of high level multi frequency band RF signals

APPARATUS AND METHOD FOR ENVELOPE TRACKING POWER AMPLIFICATION IN WIRELESS COMMUNICATION SYSTEM

Adaptively tuned RF power amplifier

Power amplifier predistortion methods and apparatus using envelope and phase detector

Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion

Low offset envelope detector and method of use

Power amplifier amplitude modulator system and method

DCDC converter unit, power amplifier, and base station using the same

Delay modulator pre-distortion circuit for an amplifier

Amplifier

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for extending RF transmission bandwidth

Device

Amplifying apparatus

RF transmitter with compensation of differential path delay

Power supply providing ultrafast modulation of output voltage

Method and apparatus for increasing the efficiency of low power amplifiers

System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in RF power amplifiers

Method and system for improving efficiency over power control for linear and class AB power amplifiers

Method and system for power amplifier (PA) with on-package matching transformer

Wireless communication unit, integrated circuit and biasing therefor

Generation of modulated radio frequency signals

Methods of Enhancing Power Amplifier Linearity

Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion

Method and system for minimizing power consumption in a communication system

Power amplifier

Adaptive tuning circuit to maximize output signal amplitude for an amplifier

Spectrum analyzing method, distortion detector and distortion compensation amplifying device

Doherty amplifier

System and method for power amplifier output power control

System and method for power amplifier output power control

Low distortion radio frequency (RF) limiter

Power amplifier circuit for peak envelope modulation of high frequency signal

Multistage amplifier apparatus with distortion compensation function

Pre-distortion apparatus

Power amplifier and pulse-width modulated amplifier

Integrated implementation of a voltage boost follower and method therefor

Predistorter

Systems, methods, and apparatuses for multi-path orthogonal recursive predistortion

Systems, methods, and apparatuses for linear envelope elimination and restoration transmitters

Method and arrangement for optimizing efficiency of a power amplifier

Radio frequency power amplifier and method using a controlled supply

EER high frequency amplifier

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for gain and phase control

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning

Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning

Reduced distortion amplifier

High efficiency variable voltage supply

Method and system for transmitter envelope delay calibration

Device and method for controlling a voltage control signal

Enhanced bandwidth envelope elimination and restoration

Multi-channel noise reduction system with direct instrument tracking

Signal processor for use with a power amplifier in a wireless circuit

RF power transmission, modulation, and amplification embodiments, including control circuitry for controlling power amplifier output stages

Controlling a power amplifier to transition among amplifier operational classes according to at least an output signal waveform trajectory

Amplifier system employing analog polynomial predistortion with sub-nyquist digital adaptation

Power amplification apparatus of a portable terminal

Power supply providing ultrafast modulation of output voltage

Apparatus and method for high efficiency RF power amplification using drain bias adaptation

Low cost power amplifier linearization in an RFID radio transmit chain

Power control system for a continuous time mobile transmitter

Power amplifier

Transmission apparatus, communication apparatus and mobile radio apparatus

Broadband high efficiency traveling wave tube amplifier system

Adaptive predistortion linearized amplifier system employing selective sampling

Monolithic supply-modulated RF power amplifier and DC-DC power converter IC

Method of verifying preamplifier circuit functions, and magnetic record regeneration apparatus using the same

Transmitter with an envelope tracking power amplifier utilizing digital predistortion of the signal envelope

High efficiency linear RF amplifier

Amplification device

Circuit for power amplification

High frequency power amplifier and transmitter

High efficiency amplification

Power amplifier arrangement and method for memory correction/linearization

Constant gain nonlinear envelope tracking high efficiency linear amplifier

Transmitter and transceiver

Electronic circuit

Wideband enhanced digital injection predistortion system and method

Transmitting device

Transmitter circuit and method for modulation distortion compensation

Single chip power amplifier and envelope modulator

Variable supply amplifier system

Transmitting method and transmitter apparatus

Table-based pre-distortion for amplifier systems

Power amplifier

Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter

High linearity doherty communication amplifier with phase control

Amplifier control system with statistical enhancement of resolution of digital control signals

Multilevel amplifier systems and related techniques

Multilevel amplifier systems and related techniques

Sound producing apparatus

Envelope tracking power amplifier circuit and related apparatus

Power supply modulator and wireless communication apparatus including the same

System for voltage standing wave ratio (VSWR) measurement

Measuring media attention over time based on long term heterogeneous archive data

Wide modulation bandwidth radio frequency circuit

High-speed open-loop switch-mode boost converter

Control of envelope tracker PMIC

Wireless radio frequency transceiver system for internet of things

Multi-mode envelope tracking amplifier circuit

Envelope tracking power amplifier circuit

Wide-band amplifiers using clipper circuits for reduced harmonics

Amplifier devices with envelope signal shaping for gate bias modulation

Envelope dependent output stage scalability

High power radio frequency amplifier with dynamic digital control

Amplification systems

Polar modulation using product mode

Envelope tracking supply modulators for multiple power amplifiers

Polar modulation using product mode

Method for system level oriented load-pull-based envelope tracking power amplifiers

Method and apparatus for envelope tracking calibration

Envelope tracking circuits and methods with adaptive switching frequency

Communication device with power supply load variation noise reduction for envelope tracking and method therefor