Semiconductor packages having wire bond wall to reduce coupling

MMIC power amplifier

Digital amplitude modulator and control method for digital amplitude modulator

Multi-broadband Doherty power amplifier

High frequency module and portable terminal using same

POWER AMPLIFIER

Semiconductor integrated circuit device and high-frequency power amplifier module

Amplifier

Semiconductor power amplifier

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

Dual-band semiconductor RF amplifier device

Transmitter with class E amplifier

Doherty power amplification apparatus and method

Autotransformer-based impedance matching circuits and methods for radio-frequency applications

Multiple input single output device with vector signal and bias signal inputs

Apparatus and methods for reducing capacitive loading of an envelope tracker

Amplifiers and related integrated circuits

Power amplifier

Systems and methods for adaptive power amplifier linearization

Radio frequency amplifying circuit and power amplifying module

Reconfigurable output matching network for multiple power mode power amplifiers

Scalable periphery tunable matching power amplifier

Systems and methods for optimizing amplifier operations

Transformer and electrical circuit

High efficiency power amplifiers with advanced power solutions

Bias circuit and amplifier controlling bias voltage

Method and Device for Protecting a High-Frequency Power Amplifier Against a Termination fault

Bias circuit and amplifier with current limit function

High efficiency power amplifier

Amplifier and amplifying method

Apparatus and methods for envelope tracking in radio frequency systems

Apparatus and methods for reducing capacitive loading of a power amplifier supply control module

Control systems and methods for power amplifiers operating in envelope tracking mode

Amplifier dynamic bias adjustment for envelope tracking

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

Optimization methods for amplifier with variable supply power

Amplifier circuits

Tunable wide band driver amplifier

Power amplifier and operation method therefor

Electronic system—radio frequency power amplifier and method for self-adjusting bias point

Operational amplifying device with auto-adjustment output impedance

Front end module

Wireless communication apparatus, Doherty amplifier, and method for controlling wireless communication

Low variation current multiplier

Digital polar and ZVS contour based hybrid power amplifier

Compact broadband impedance transformer

Doherty power amplifier

Efficient power transfer power amplifier (PA) architecture

Amplifier circuits

Control circuit and method for controlling an operation of a 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

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

Apparatus and methods for capacitive load reduction

DC-DC converter incorporating trim cell

RF power amplifier splitter

Matching network for transmission circuitry

Doherty amplifier having compact output matching and combining networks

Power amplifier with variable output impedance

High power tunable capacitor

Method and apparatus for high efficiency, high dynamic range digital RF power amplification

Multi-band/multi-mode power amplifier with signal path hardware sharing

System and method for a cascoded amplifier

Integrated RF front end system

Power amplifier and linearization techniques using active and passive devices

Systems, and methods of RF power transmission, modulation, and amplification, including embodiments for output stage protection

Termination circuit, semiconductor device, and test system

Integrated directional coupler within an RF matching network

Dual inductive element charge pump buck and buck power supplies

Power amplifier with fast loadline modulation

Multiband RF switch ground isolation

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

Electronic devices with multiple amplifier stages and methods of their manufacture

Electronic circuits including a MOSFET and a dual-gate JFET

Transmitter and transceiver having the same in an RFID system

Broadband transistor bias network

Free-fly class D power amplifier

Microwave semiconductor amplifier

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

Multi-octave power amplifier

Power supply pre-distortion

High efficiency path based power amplifier circuitry

Multi-stage amplifier using tunable transmission lines and frequency response calibration of same

Adjustable power splitter and corresponding methods and apparatus

Multi-mode bypass driver amplifier with tunable load matching

Mobile wireless communications device with impedance matching and related methods

Multi-Band Matching Network for RF Power Amplifiers

Multiple functional equivalence digital communications interface

Radio frequency power amplifier

Millimeter wave power amplifier

Amplifier

Amplifying apparatus

Voltage multiplier charge pump buck

Wireless resonant electric field power transfer system and method using high Q-factor coils

Interference reduction between RF communications bands

High-frequency power amplifier with doherty extension

Flip-chip linear power amplifier with high power added efficiency

RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodiments

Apparatus and methods for power amplifiers

Power amplifying circuit and high-frequency module

System and method for a multi-band power-amplifier

High frequency power amplifier

Variable impedance device

Doherty power amplifier network

RF pulse signal generation switching circuit, RF pulse signal generating circuit, and target object detecting apparatus

Power amplification apparatus

Class of power amplifiers for improved back off operation

Signal amplification circuits for receiving/transmitting signals according to input signal

Cascaded converged power amplifier

High efficiency power amplifier

Power amplifier

Low variation current multiplier

Impedance matching circuit capable of broadband operation

Wideband Doherty amplifier circuit with impedance combiner

Current-mode active termination

Semiconductor device having first and second resistance for suppressing loop oscillation

Closed loop bias control

Wideband doherty amplifier circuit having a constant impedance combiner

Independent PA biasing of a driver stage and a final stage

PA bias power supply undershoot compensation

Selecting PA bias levels of RF PA circuitry during a multislot burst

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

Multi-mode power amplifier

PA envelope power supply undershoot compensation

Selecting a converter operating mode of a PA envelope power supply

Temperature correcting an envelope power supply signal for RF PA circuitry

Signal transceiver

High frequency power amplifier

Power amplifier insensitive to load impedance changes

Multi-band power amplifier

Apparatus and methods for biasing power amplifiers

Impedance circuit and method for signal transformation

RF PA linearity requirements based converter operating mode selection

Power amplifier with co-existence filter

System and method for adjusting gain frequency response of RF power amplifier

Embedded RF PA temperature compensating bias transistor

Feedback based buck timing of a direct current (DC)-DC converter

DC-DC converter semiconductor die structure

Isolated zero degree reactive radio frequency high power combiner

Transfer Gate Circuit and Power Combining Circuit, Power Amplifying Circuit, Transmission Device, and Communication Device Using the Transfer Gate Circuit

Apparatus and methods for envelope tracking

Power amplifier

Impedance matching arrangement for amplifier having split shunt capacitor and amplifier including the same

Radio frequency power delivery system

Power amplifier architectures

Integrated RF front end with stacked transistor switch

Power amplification based on phase angle controlled reference signal and amplitude control signal

Amplifying unit, power amplifier and transmitter

Apparatus and methods for capacitive load reduction

Charge pump based power amplifier envelope power supply and bias power supply

High-frequency power amplifier

Overlay class F choke

RF power amplifier circuit with mismatch tolerance

Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry

Linear mode and non-linear mode quadrature PA circuitry

Class-AB power amplifier

Class-C power amplifier

Class-AB power amplifier

Transmitter with class E amplifier

Adaptive average power tracking

Power Amplifier Apparatus, and Receiving Apparatus of a User Equipment

Modified dynamic load scaling (MDLS) technique for implementing high efficiency low power mode operation

Broadside-coupled transformers with improved bandwidth

Power amplifier with improved bandwidth

Apparatus and methods for envelope tracking calibration

Power amplifier and method of operation thereof

Distributed doherty amplifiers

RF power amplifier including broadband input matching network

Combined RF detector and RF attenuator with concurrent outputs

Power synthesis circuit for radio frequency power amplifier

Output stage formed inside and on top of an SOI-type substrate

RF power amplifier

Auto configurable 2/3 wire serial interface

Impedance matching method for a multiband antenna, and transmission or receiver channel having automatic matching

Tunable radio front end and methods

Microwave harmonic processing circuit

Radio frequency amplifier circuit

PA bias power supply efficiency optimization

Amplifier providing power recovery from a narrow-band antenna

Electrical Power Amplifier Circuit, and Transmission Device and Communication Device Using the Same

Power amplifier

Power transistor output match network with high Q RF path and low Q low frequency path

Doherty amplifier

Apparatus and methods for capacitive load reduction

Power amplifier having a nonlinear output capacitance equalization

Apparatus and methods for capacitive load reduction

Differential amplifier circuit

Method and arrangement in a mobile communications system

Electronic circuit

Power amplifier and MMIC using the same

Method and apparatus for optimizing current consumption of amplifiers with power control

Power amplification apparatus

RF power amplifier and RF power module using the same

Tunable power amplifier using laminate MEMS capacitors

Matching network for transmission circuitry

Radio frequency power amplifier

Quadrature power amplifier architecture

Power amplification systems and methods

Apparatus and method for a switched capacitor architecture for multi-band doherty power amplifiers

Control modules

WIRELESS COMMUNICATION HIGH-FREQUENCY CIRCUIT AND WIRELESS COMMUNICATION APPARATUS

Impedance-matching circuits for multi-output power supplies driving COgas-discharge lasers

Distributed power amplifier with active matching

PA load-line tuning with capacitors around a balun

Calibrate output matching for correct output power

Broadband power amplifier

HETEROGENEOUS INTEGRATION OF HARMONIC LOADS AND TRANSISTOR FEEDBACK FOR IMPROVED AMPLIFIER PERFORMANCE

High-frequency differential amplifier circuit

Amplifier circuit for a ranging transceiver

Signal amplification circuits for receiving/transmitting signals according to input signal

Multiband matching circuit

System and method for biasing a power amplifier

POWER AMPLIFIER

Doherty amplifier

POWER AMPLIFIER WITH SELECTABLE LOAD IMPEDANCE AND METHOD OF AMPLIFYING A SIGNAL WITH SELECTABLE LOAD IMPEDANCE

Integrated RF front end with stacked transistor switch

Broadband transistor bias network

POWER AMPLIFIER REDUCING GAIN MISMATCH

Amplifier module with multiple operating modes

Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus

Circuitry for matching the up and down impedances of a voltage-mode transmitter

High-frequency circuit

RF power amplifier device and operating method thereof

RF power amplifier circuit with mismatch tolerance

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

Apparatus and method for amplifying power in mobile terminal

Distributed Doherty amplifiers

Multi-band high-efficiency Doherty amplifier

Reconfigurable outphasing Chireix amplifiers and methods

Power detector

RF power amplifier

Variable class characteristic amplifier

Multi-function monolithic microwave integrated circuit (MMIC) operating as amplifier switch

Adder, and power combiner, quadrature modulator, quadrature demodulator, power amplifier, transmitter and wireless communicator using same

Split-band power amplifiers and duplexers for LTE-advanced front end for improved IMD

LTE-Advanced (4G) front end radio architecture

Sharing of inductor interstage matching in parallel amplification system for wireless communication systems

Bias circuit and method of manufacturing the same

High frequency power amplifier and operating method thereof

Switchless band separation for transceivers

Transmission line, impedance transformer, integrated circuit mounted device, and communication device module

Linearization circuits and methods for power amplification

TUNABLE IMPEDANCE INVERTER FOR DOHERTY AMPLIFIER CIRCUIT

CMOS power amplifiers having integrated one-time programmable (OTP) memories

Distributed Doherty power amplifier

Re-configurable amplifier

Electronic circuit and electronic device

Impedance matching circuit and method thereof

Power amplifier

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

IMPEDANCE MATCHING CIRCUIT ELIMINATING INTERFERENCE BETWEEN SIGNAL LINES AND POWER AMPLIFIER HAVING THE SAME

Self-healing power amplifier: methods and apparatus

VSWR compensation circuits for RF transmit chain

Current canceling variable gain amplifier and transmitter using same

Power amplifier

APPARATUS AND METHOD FOR POWER ADDED EFFICIENCY OPTIMIZATION OF HIGH AMPLIFICATION APPLICATIONS

Reducing common mode effects in an output stage

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

Cable modem

Filter, transmitter-receiver, and amplifying circuit

Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier

FILTER AND AMPLIFYING CIRCUIT

RF power amplifiers with linearization

RADIO FREQUENCY POWER AMPLIFIER

Switching amplifier

Amplifier circuit

Radio frequency power amplifier

Method and system for amplifier control

Linearization circuits and methods for power amplification

Adaptive bias circuit and system thereof

RF power amplifier system with impedance modulation

Amplifier module with multiple operating modes

Amplifier

Dynamic bias supply devices

Low distortion amplifier and Doherty amplifier using low distortion amplifier

HIGH-FREQUENCY AMPLIFIER

Power amplifier having parallel amplification stages and associated impedance matching networks

Method and system for controlling radio frequency power

Semiconductor integrated circuit

Circuit device and method of coupling to an antenna

Tunable matching circuits for power amplifiers

Output circuit with integrated impedance matching, power combining and filtering for power amplifiers and other circuits

Buffer with active output impedance matching

Field-effect transistor

Harmonic processing circuit and amplifying circuit using the same

Passive spectrum control for pulsed RF power amplifiers

Switched capacitor voltage converter for a power amplifier

Load modulation arrangement

High-linearity low noise amplifier

Amplifier circuit and the controlling method thereof

Composite amplifier, a radio terminal and a method for improving the efficiency of the composite amplifier

High efficiency linear power amplifiers with load compensation

SEMICONDUCTOR DEVICE

Semiconductor device

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

Semiconductor device

Power amplifier, and method of controlling power amplifier

MICROWAVE AND/OR MILLIMETER-WAVE BAND AMPLIFIER CIRCUIT, AND MILLIMETER-WAVE TRANSCEIVER USING THEM

Wireless radio frequency signal transceiving system