Timing alignment for power amplifier

Apparatus and methods for envelope tracking in radio frequency systems

Systems and methods for biasing amplifiers using adaptive closed-loop control and adaptive predistortion

Apparatus and methods for biasing a power amplifier

Low-noise amplifier, receiver, method and computer program

Broadband high efficiency amplifier system

On-die harmonics filtering for radio frequency power amplifiers

Systems and methods for biasing amplifiers with adaptive closed loop control

Method and apparatus for calibrating an envelope tracking system

High efficiency output stage amplification for radio frequency (RF) transmitters

Systems and methods to adjust the matching conditions of an amplifier

High-frequency bandwidth amplifying circuit

Electronic system, RF power amplifier and output power compensation method thereof

Integrated start-up bias boost for dynamic error vector magnitude enhancement

Power amplifier

System and method for pre-charging a current mirror

Transmitter architecture and related methods

Spur cancellation in GSM-GPRS-EDGE power amplifiers with DC-DC converters

Amplifiers with noise splitting

Doherty power amplifier

CMOS based TX/RX switch

CMOS based RF antenna switch

Radio frequency front end module circuit incorporating an efficient high linearity power amplifier

Envelope tracking signal generator incorporating trim cell

Class-AB radio frequency amplifier for envelope detector

Efficient linear integrated power amplifier incorporating low and high power operating modes

Two dimensional quad integrated power combiner for RF power amplifiers

Linear row array integrated power combiner for RF power amplifiers

Apparatus and methods for capacitive load reduction

DC-DC converter incorporating trim cell

RF power amplifier splitter

Cascode cell having DC blocking capacitor

Power amplifier with stabilising network

High efficiency and high linearity adaptive power amplifier for signals with high PAPR

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

Power amplifier modules including related systems, devices, and methods

Bias control circuit

Bias circuit and power amplifier having the same

Integrated start-up bias boost for dynamic error vector magnitude enhancement

Integrated start-up bias boost for dynamic error vector magnitude enhancement

Integrated technique for enhanced power amplifier forward power detection

Pseudo-envelope following power management system

High efficiency amplification

Dual inductive element charge pump buck and buck power supplies

Power amplifier with fast loadline modulation

Differential signal correction circuit

Multiband RF switch ground isolation

Radio frequency power amplifier with low dynamic error vector magnitude

Wireless communication system

High frequency amplifier

Method and apparatus for reduced parasitics and improved multi-finger transistor thermal impedance

Buck Up Power Converter

Dual loop adaptation digital predistortion architecture for power amplifiers

Multi-layer memory structure for behavioral modeling in a pre-distorter

Multiway lossless power combining and outphasing incorporating transmission lines

Apparatus and method for time alignment of an envelope tracking power amplifier

Apparatus and methods for envelope tracking systems

Apparatus and methods for envelope tracking

Amplifier circuit and operating method thereof

Amplification device and amplification method

Mobile wireless communications device including sensing transistor and hysteretic comparator and related methods

Adjustable power splitter and corresponding methods and apparatus

Impedance matching circuit with tunable notch filters for power amplifier

Systems and methods to adjust the bias of an amplifier

Low-cost receiver using integrated inductors

Noise reduction for envelope tracking

POWER AMPLIFYING CIRCUIT AND WIRELESS COMMUNICATION DEVICE

DIGITAL PRE-DISTORTION DEVICE AND PRE-DISTORTION METHOD THEREOF

Interference reduction between RF communications bands

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

Multi-mode power amplifier

Apparatus and methods for voltage converters

Amplifier circuit

Power amplifier

Apparatus and methods for power amplifiers

Power amplifying circuit and high-frequency module

Average frequency control of switcher for envelope tracking

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

Multi-band power amplifier

Circuit and power amplifier

Method for controlling fast tracking power supply, fast tracking power supply, and system

Switched capacitor detuner for low noise amplification circuit having bypass path

Transmit-receive front end

COMPOUND SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

Apparatus and method for balancing combined RF power-supplies for driving a COgas-discharge laser

Thermally coupled current limiter

Saturation protection of a regulated voltage

Envelope tracking system for MIMO

Signal path termination

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

Power amplifier

Electronic device and method for an amplifier with resistive feedback

Multi-dimensional volterra series transmitter linearization

Parallel correction amplifier

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

Dual rail out-phased envelope tracking modulator

Driver calibration methods and circuits

PHASE-ARRAYED TRANSCEIVER

Low noise amplifier including a single-ended input

Operational amplifier

High frequency power amplifier

Pseudo-envelope following power management system

Power amplifier insensitive to load impedance changes

Broadband analog radio-frequency integrator

Distortion compensation device and distortion compensating method

Apparatus and methods for biasing power amplifiers

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

Multi-port amplification device that self-compensates in the presence of traffic

Apparatus and methods for envelope tracking

Integrated RF front end with stacked transistor switch

Quadrature lattice matching network

Bipolar stacked transistor architecture

Variable frequency circuit controller

Wireless communication system

Timing alignment for power amplifier

Wide-band multi stage Doherty power amplifier

SPS receiver with adjustable linearity

Distributed amplifier with improved stabilization

Amplifying device

Power control

Semiconductor apparatus including protective film on gate electrode and method for manufacturing the semiconductor apparatus

High efficiency amplification

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

Systems and methods for thermal management for telecommunications enclosures using heat pipes

Variable gain amplifier

Amplifier arrangement

Power amplifier

Apparatus and methods for envelope tracking calibration

Radio frequency splitter

Adjustable circuit architecture

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

Distortion compensation device, distortion compensation method and wireless apparatus

Apparatus and methods for capacitive load reduction

Power Amplifiers for Wireless Systems

Systems and methods for providing modulation of switchmode RF power amplifiers

Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing

Bias point setting for third order linearity optimization of class A amplifier

Apparatus and methods for capacitive load reduction

METHOD FOR USING AN AMPLIFIER

High efficiency linearization power amplifier for wireless communication

Power amplifier with stabilising network

Power amplifier, power amplification method, and storage medium

Current mode power amplifier providing harmonic distortion suppression

Orthogonal basis function set for digital predistorter

Power amplifier saturation detection

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

Analog signal processor for nonlinear predistortion of radio-frequency signals

AMPLIFIER CIRCUIT AND RADIO RECEIVER

Circuit and method for reducing radio-frequency power consumption of mobile phone

Transmission circuit and communication device

High efficiency variable voltage supply

Apparatus and method for a tunable multi-mode multi-band power amplifier module

Power supply stage

Selectable PA bias temperature compensation circuitry

ESD protection of an RF PA semiconductor die using a PA controller semiconductor die

Multiband matching circuit

Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage

Variable gain BiCMOS amplifier

Power amplifier

System and method for pre-charging a current mirror

Envelope amplifier

Compact low-power receiver including transimpedance amplifier, digitally controlled interface circuit, and low pass filter

Integrated RF front end with stacked transistor switch

Power amplifier amplitude modulator system and method

Transmission power control method and transmission power control apparatus

LNA circuit for use in a low-cost receiver circuit

Mixed-signal transmission circuit for switching power amplifiers

CMOS RF switch device and method for biasing the same

High linearity CMOS RF switch passing large signal and quiescent power amplifier current

Units for analog signal processing

Apparatus and method for directional coupling

Saturation protection of a regulated voltage

Voltage distribution for controlling CMOS RF switch

Apparatus and method for disabling well bias

Apparatus and method for well buffering

Apparatus and method for diffusion sensing

APPARATUS AND METHOD FOR VOLTAGE DISTRIBUTION

APPARATUS AND METHOD FOR VARIABLE VOLTAGE FUNCTION

APPARATUS AND METHOD FOR VARIABLE VOLTAGE DISTRIBUTION

Protection circuit for radio frequency power amplifier

Method of power amplifier calibration

High frequency amplifier, wireless device, and control method

Power amplification device and communication device

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

Mismatch compensators and methods for mismatch compensation

High frequency power amplifier

Dynamic gain assignment in analog baseband circuits

Automatically setting an operative state of a wideband amplifier

Radio-frequency transmitter and amplifier

Device for and a method of generating signals

Wireless communication system

Circuit and method of temperature dependent power amplifier biasing

Emitter-follower type bias circuit

Signal compensation device and communication apparatus

RADIO FREQUENCY POWER AMPLIFIER AND WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME

Linearizer

Operational amplifier

Hybrid class amplifier

Remote radio head unit system with wideband power amplifier and method

Modulation agnostic digital hybrid mode power amplifier system and method

Multi-band, multi-mode RF transmit amplifier system with separate signal paths for linear and saturated operation

Dual-loop feedback amplifying circuit

Dynamic range improvements of load modulated amplifiers

Power amplification device, and transmission device and communication device using same

Power amplifier device

DEVICE FOR POWER AMPLIFICATION OF A PAYLOAD OF A MULTIBEAM SATELLITE FOR BROADCASTING DATA

Multiband RF Device

Dual band high frequency amplifier using composite right/left handed transmission line

Wave detector circuit and high-frequency circuit

Power amplifier with stabilising network

Filter for switched mode power supply

Radio frequency (RF) power amplifier and RF power amplifier apparatus

Amplifier linearizer

Transmission line coupled to circuits and Q-enhancement cell

Transmitting unit that reduces PAPR using out-of-band distortion and method therefor

Circuit and method for radio frequency amplifier

Variable gain amplification device

Control loop for amplification stage

Non-linear capacitance compensation

Controlled-gain wideband feedback low noise amplifier

Power amplifier

Integrated channel filter using multiple resonant filters and method of operation

Method and system for amplifier control

RF power amplifier system with impedance modulation

Power amplifier bias circuit having controllable current profile

High efficiency microwave amplifier

Amplifier stage

Power amplification device and communication device

Detection circuit for overdrive conditions in a wireless device

Driver calibration methods and circuits

RF power amplifier controller circuit with compensation for output impedance mismatch

Wireless communication unit, integrated circuit and method of power control therein

Electronic device with data-rate-dependent power amplifier bias

Receiver

Variable gain RF amplifier

Switchable input pair operational amplifiers

Wireless communication system

Passive spectrum control for pulsed RF power amplifiers

Power amplifier and radio wave transmitter having the same

Amplifying circuit and amplifying method

Amplifying circuit, AC signal amplifying circuit and input bias adjusting method

Adaptive radio transceiver with an antenna matching circuit

High speed power supply system

Front end and high frequency receiver having quadrature low noise amplifier

Amplifier system for cell sites and other suitable applications

Low noise amplifier

WIRELESS TRANSMISSION DEVICE AND WIRELESS TRANSMISSION METHOD

Power circuit used for an amplifier

Wireless Communication Apparatus and Transmission Control Method Thereof

Distortion compensator, distortion compensation method, and transmitter

System and method for training pre-inverse of nonlinear system

Amplifier circuit and radio receiver

Techniques for improving amplifier linearity

Receiver having multi-stage low noise amplifier

Automobile top antenna devices and antenna amplifiers thereof

Switching low noise amplifier

Radio frequency power amplifier

Amplifier with bias circuit providing improved linearity

Flexible dynamic range amplifier

Reconfigurable power amplifier and use of such amplifier for making a multi-standard amplification stage for mobile phone communications

Power amplifier saturation detection

Systems and methods for ramping power amplifier output power

UWB AMPLIFIER

Multi-dimensional Volterra series transmitter linearization

RFIC with high power PA

Generating a process and temperature tracking bias voltage

Pulse-elimination pulse-width modulation

MATCHING CIRCUIT, AND RADIO-FREQUENCY POWER AMPLIFIER AND MOBILE PHONE INCLUDING THE SAME

Adaptive impedance converter adaptively controls load impedance

Wideband low-noise amplifier

Distortion correction control apparatus and distortion correction control method

RF power amplifier system with impedance modulation

Automatic gain control apparatus and technique

Low noise amplifier

Twisted pair communications line system

System and method for pre-charging a current mirror

BAND-PASS CURRENT MODE CONTROL SCHEME FOR SWITCHING POWER CONVERTERS WITH HIGHER-ORDER OUTPUT FILTERS

Power amplifier

Power amplifiers having improved protection against avalanche current

Linearizing technique for power amplifiers

Low noise receiving apparatus

Radio frequency (RF) power amplifier and RF power amplifier apparatus

Operational amplifier

Efficient Peak Cancellation Method for Reducing the Peak-To-Average Power Ratio in Wideband Communication Systems

Power amplifier output voltage reduction method

Supply control for multiple power modes of a power amplifier

Electronic circuit and electronic device

Power amplifier, power amplifier circuit and power amplifying method

VARIABLE GAIN RF AMPLIFIER

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

Signal processing device having a variable current source

Transmission circuit, transmission method, and use

Radio-frequency power amplifier

High frequency power amplifier

Compensating for non-linear capacitance effects in a power amplifier

SIGNAL DISTRIBUTION SYSTEM CASCADABLE AGC DEVICE AND METHOD

Multi-planar solid state amplifier

Differential amplifier

Power supply providing ultrafast modulation of output voltage

GAIN-CONTROLLED LOW NOISE AMPLIFIER MEANS