BIAS COMPENSATION CIRCUITS

RADIO FREQUENCY POWER SUPPLY PROTECTION CIRCUIT AND WIRELESS COMMUNICATION DEVICE

RUGGEDNESS PROTECTION FOR RF MODULE

A method and device for limiting power to protect power supply from overload in a multichannel audio amplifier

Measuring Power for Amplifier Circuitry

POWER AMPLIFIER WITH CLAMP AND FEEDBACK PROTECTION CIRCUITRY

POWER AMPLIFYING CIRCUIT

PROTECTING CIRCUIT OF POWER AMPLIFIER, ADJUSTING METHOD OF SUPPLYING VOLTAGE AND ELECTRONIC DEVICE

ELECTRONIC DEVICE

POWER LEVEL DETECTOR CIRCUIT WITH TEMPERATURE-DEPENDENCE REDUCTION

AMPLIFIERS

POWER AMPLIFIER WITH CLAMP AND FEEDBACK PROTECTION CIRCUITRY

RADIO-FREQUENCY MODULE AND COMMUNICATION APPARATUS

METHODS AND DEVICES FOR INCREASED EFFICIENCY IN LINEAR POWER AMPLIFIER

Amplifier circuit and amplifier device

Stacked segmented power amplifier circuitry and a method for controlling a stacked segmented power amplifier circuitry

Reconfigurable radio frequency (RF) interference signal detector with wide dynamic range transceiver module

Coupling a bias circuit to an amplifier using an adaptive coupling arrangement

High frequency power supply device and high frequency power supply method

Multiple band multiple mode transceiver front end flip-chip architecture and circuitry with integrated power amplifiers

Wireless architectures and digital pre-distortion (DPD) techniques using closed loop feedback for phased array transmitters

Embedded test circuitry and method therefor

Output power control device

SYMBOL POWER TRACKING AMPLIFICATION SYSTEM AND A WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME

APPARATUS AND METHODS OF CALIBRATING A POWER AMPLIFIER SYSTEM TO COMPENSATE FOR ENVELOPE AMPLITUDE MISALIGNMENT

Wireless receiving device, wake-up receiver and method for calibrating a frequency and a bandwidth

Amplifier arrangement

Amplification apparatus

Radio frequency power amplifier

Amplifier and a wireless signal receiver comprising said amplifier

Integrated ultra-compact VSWR insensitive coupler

System, apparatus and method for performing automatic gain control in a receiver for a packet-based protocol

Power measurement via bond wire coupling

Method for producing an amplification stage for a variable envelope signal

Compact dual diode RF power detector for integrated power amplifiers

RADIO-FREQUENCY SIGNAL PROCESSING MODULE CAPABLE OF EFFECTIVELY REMOVING POWER INTERFERENCE

Directional coupler

Receiving circuit of wireless communication system and method of receiving RF signal

Radio-frequency devices having AM-PM distortion correction features

Apparatus and method for improving efficiency of power amplifier

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

Output stage circuit

CIRCUIT FOR ENHANCING SENSITIVITY OF MOBILE DEVICE

Wireless device with a multi-turn directional coupler

System for monitoring the peak power for an RF power amplification and associated method of calculating peak value and of selecting supply voltage

Efficient output power combining digital microwave radio system

Methods and devices for predistortion of signals

Multiple band multiple mode transceiver front end flip-chip architecture and circuitry with integrated power amplifiers

Signal amplification processing method and apparatus

Amplifier

Reduced form factor radio frequency system-in-package

System in package with vertically arranged radio frequency componentry

Method and apparatus for improving signal quality in electronic device

Circuits, devices and methods for reducing co-channel interference

Wideband adaptive bias circuits for power amplifiers

Adaptive supply voltage for a power amplifier

Power amplifier system and associated control circuit and control method

Distortion correction in cascode power amplifiers

Digital amplifier

Apparatus and methods for transmit power control in wireless communication systems

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

SINGLE POLE DOUBLE THROW AMPLIFIER

Adaptive self-bias

Power controllable wireless communication device

Audio apparatus, and current control method

Multiple band multiple mode transceiver front end flip-chip architecture and circuitry with integrated power amplifiers

Power amplifier device with controlled envelope tracking modulator and adapted static voltage

Power adjustment method, computer-readable recording medium and power adjustment apparatus

Method and apparatus for detecting power

Self setting power supply using negative output impedance

Apparatus and methods for calibration of envelope trackers

Apparatus and methods for power amplifiers

Adaptive linearizer

Mode linearization switch circuit

Power amplifier circuit capable of adjusting gain dynamically

PPA linearization

Compact power detection circuit utilizing ground via coupling

Self-healing array system and method

Methods and apparatus for envelope tracking system

Communication system and method for detecting loading variation of power amplifier thereof

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

Apparatus and methods for calibrating envelope trackers

RF power amplifier and operating method thereof

Distortion compensation apparatus and distortion compensation method

DETERMINATION OF ENVELOPE SHAPING AND SIGNAL PATH PREDISTORTION OF AN ET AMPLIFICATION STAGE USING DEVICE CHARACTERISATION DATA

Power detection circuit and RF signal amplification circuit having the same

Input power detecting arrangement and method

Method of power amplifier calibration

Adaptive supply voltage for a power amplifier

Power amplifier

Power amplifier power controller

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

Method and apparatus for controlling update of digital pre-distortion coefficient

System and method for a cascoded amplifier

Power detector with temperature compensation

Reconfigurable input power distribution doherty amplifier with improved efficiency

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

RF power amplifier and operating method thereof

Apparatus and methods for power amplifiers

Group delay calibration method for power amplifier envelope tracking

High frequency circuit and high frequency module

Voltage driving apparatus for power amplifier, power amplifying system, power supply device and communication device

Method and system for providing automatic gate bias and bias sequencing for field effect transistors

Digital output power measurement in radio communication systems

Transmitter and communication apparatus

RF power amplifier circuit with mismatch tolerance

Power supply controller for a multi-gain step RF power amplifier

Apparatus and methods for envelope tracking calibration

RF power amplifier

Systems and methods for power control in a multiple standard mobile transmitter

Amplifier circuit, control method for supplying power to amplifier circuit, and transmission device

Power amplifier system with a current bias signal path

Gate-based output power level control power amplifier

Power consumption control circuit, amplifier circuit and power consumption control method

POWER AMPLIFICATION CIRCUIT AND COMMUNICATION APPARATUS

Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback

Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof

RF power amplifier circuit with mismatch tolerance

Method of power amplifier calibration

Power detector

RF power amplifier

RF power amplifier device and wireless communication terminal device

Power amplifier and amplification method thereof

Amplifier for cable and terrestrial applications with independent stage frequency tilt

Power amplifier power controller

Digital amplifier with feedforward and feedback control

CURRENT CONSUMPTION REDUCTION WITH LOW POWER AMPLIFIER

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

RF power amplifier

RF amplification device

Compensating for variations in the response of a power supply

Amplifying apparatus

SYSTEM AND METHOD FOR IM3 REDUCTION AND CANCELLATION IN AMPLIFIERS

Method and apparatus for improving digital predistortion correction with amplifier device biasing

Distortion compensating apparatus, wireless communicating apparatus, and distortion compensating method

DYNAMICALLY BIASING CLASS AB POWER AMPLIFIERS OVER A RANGE OF OUTPUT POWER LEVELS

COMPACT PACKAGING FOR POWER AMPLIFIER MODULE

Power amplifiers having improved startup linearization and related operating methods

Communication transmission system and power detection method thereof

Apparatus and Method for Detecting Output Power From an Amplifier

Power amplification device

System and method for power detection in a power amplifier

RF power sensing circuit

Device

Transmission power controller

Method and Apparatus For Dynamically Adjusting a Transmitter's Impedance and Implementing a Hybrid Power Amplifier Therein Which Selectively Connects Linear and Switch-Mode Power Amplifiers in Series

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

Power Amplifier Bias Control

Apparatus and muting circuit

Transceiver for reducing current consumption in a wireless communications network

Current consumption reduction with low power amplifier

RF power amplifying device and wireless communication terminal device

Circuit with Q-enhancement cell having feedback loop

Method and apparatus for providing adaptive supply voltage control of a power amplifier

Transmitter with intelligent preconditioning of amplifier signal

Amplifier unit and method of detecting failure in the same

Adaptive bias current circuit and method for amplifiers

System and method for IM3 reduction and cancellation in amplifiers

Distortion compensating apparatus and method

Power amplifier with close-loop adaptive voltage supply

Radiofrequency (RF) and/or microwave power amplification device and corresponding radiocommunication terminal

Miniature dual band power amplifier with reserved pins

Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit

Digital baseband system and process for compensating for analog radio transmitter impairments

Power amplifier arrangement, particularly for mobile radio, and method for determining a performance parameter

System for reducing calibration time of a power amplifier

Systems of miniaturized compatible radio frequency wireless devices

Transmission output control apparatus

Apparatus and method for modulating and digitally predistorting a signal in a multiple modulation schemes

High frequency power amplifier circuit device

System-in-package wireless communication device comprising prepackaged power amplifier

Multi-mode power amplifier module for wireless communication devices

Multi-band power amplifier module for wireless communication devices

Multi-band power amplifier module for wireless communication devices

Multi-band power amplifier module for wireless communications

Multi-band power amplifier module for wireless communication devices

Intelligent RF power control for wireless modem devices

Dual band power amplifier module for wireless communication devices

Method and apparatus for opening a feedback loop

Method and apparatus for maintaining constant linearity for a power amplifier over varying load conditions

Receiver with dynamically adjustable decision threshold voltage based on input power

Power consumption controlling apparatus for high frequency amplifier

Light receiving device for optical communication system

Peak power limitation in an amplifier pooling scenario

Method and apparatus for calibrating center frequency of power amplifier

Resistor compensation apparatus

Method and apparatus for dynamically adjusting a transmitter's impedance

Distortion compensating amplifier

Operational transconductance amplifier

Single chip for generating multiple differential signals and loop-through signals according to a single-ended RF signal

Multipath linear low noise amplifier

Amplifier with automatic gain control

Compact dual diode RF power detector for integrated power amplifiers