High frequency power amplifier, high frequency front-end circuit, and radio communication device

Receiver and wireless terminal for signal processing

Circuits and methods for 2G amplification using 3G/4G linear path combination

Transmission apparatus and transmission method

Concurrent dual-band signal amplifier

Reconfigurable bias and supply drivers for radio frequency power amplifiers

Dual-band doherty amplifier and method therefor

Quasi-switched, multi-band, high-power amplifier and method

Low noise amplifier architecture for carrier aggregation receivers

Signal transmitting-receiving apparatus

Amplifier and related method

Multiband power amplification apparatus

Diversity receiver front end system with post-amplifier filters

Diversity receiver front end system with variable-gain amplifiers

Diversity receiver front end system with tunable output matching circuit

Diversity receiver front end system with impedance matching components

Multi-band radio-frequency digital predistortion

Doherty power amplifier with tunable input network

Baseband equivalent volterra series for behavioral modeling and digital predistortion of wideband transmitters

Power amplification module and front end circuit

Switchable dual core power amplifier

Apparatus and methods for calibration of envelope trackers

Power amplifier bias circuit

Multi-band device having switch with input shunt arm

Multi-band device with reduced band loading

Multi-mode multi-band self-realigning power amplifier

Baseband equivalent volterra series for digital predistortion in multi-band power amplifiers

Dual-band low noise amplifier

Multi-band low noise amplifier

Semiconductor device

Domino circuit and related architectures and methods for carrier aggregation

Doherty power amplifier combiner with tunable impedance termination circuit

Tunable power amplifier with wide frequency range

Envelope tracking with low frequency loss correction

Dynamic bias current adjustment for power amplifiers

Systems, circuits and methods related to low power efficiency improvement in multi-mode multi-band power amplifiers

Transformer-based doherty power amplifier

Systems and methods related to switchable output stages in power amplifiers

Power amplifier with termination circuit and resonant circuit

Multiband-support radio-frequency module

Remote radio head unit system with wideband power amplifier

Switchable base feed circuit for radio-frequency power amplifiers

Power amplifier having a common input and a plurality of outputs

Switchable feedback circuit for radio-frequency power amplifiers

Multi-band amplifier, method for controlling thereof

Cross-connected cascode low noise amplifier for carrier aggregation

Apparatus and method for removing noise of power amplifier in mobile communication system

Distortion cancellation for dual stage carrier-aggregation (CA) low noise amplifier (LNA) non-linear second order products

Dual stage carrier-aggregation (CA) low noise amplifier (LNA) having harmonic rejection and high linearity

Amplifier utilizing a configurable interface to a front end module

Apparatus and method for load modulating an amplifier

Carrier aggregation amplifier with dual gain control

Wireless communication device, method and power amplifier of the same

Multi-band power amplifier

Envelope tracking RF transmitter calibration

Apparatus and methods for envelope trackers

Broadband power amplifier systems and methods

Systems, devices and methods related to improved radio-frequency modules

Circuits and methods related to switchless carrier aggregation in radio-frequency receivers

Circuits and methods related to radio-frequency receivers having carrier aggregation

System and method for a low noise amplifier

Power amplifier and power amplification method

Power amplifier module

Adjustable harmonic filtering device

Wireless communication device, method and power amplifier of the same

Transmitter system with reconfigurable amplifiers

Concurrent multi-band radio frequency amplifying circuit

Transmission apparatus and transmission method

Inter carrier-aggregation isolation in a receiver

Baseband envelope predistorter

Multi-band wide band power amplifier digital predistortion system

Tunable loadline

Power amplifying module

Multi-band radio-frequency digital predistortion

Integrated power supply and modulator for radio frequency power amplifiers

Apparatus and methods for calibrating envelope trackers

Multi-path digital pre-distortion

Low-noise amplifier matching

Reduced bandwith of signal in an envelope path for envelope tracking system

Transmission apparatus and transmission method

Semiconductor device

Filtering characteristic adjustments of weakly coupled tunable RF filters

Dynamic error vector magnitude duty cycle correction

Weakly coupled tunable RF transmitter architecture

High-frequency power amplifier

Linearization of intermodulation bands for concurrent dual-band power amplifiers

Weakly coupled tunable RF receiver architecture

VSWR detector for a tunable filter structure

Advanced 3D inductor structures with confined magnetic field

Interference rejection RF filters

Cooperative tunable RF filters

Calibration for a tunable RF filter structure

Methods and apparatuses for forming multiple radio frequency (RF) components associated with different RF bands on a chip

Digital pre-distortion systems in transmitters

Doherty amplifier

Multi-band interference optimization

High quality factor interconnect for RF circuits

Tunable RF filter paths for tunable RF filter structures

Tunable RF filter based RF communications system

Tunable RF filter structure formed by a matrix of weakly coupled resonators

Nonlinear capacitance linearization

High frequency module and portable terminal using same

Semiconductor integrated circuit device and high-frequency power amplifier module

Low complexity digital predistortion for concurrent multi-band transmitters

Dual-band semiconductor RF amplifier device

Amplifiers with boosted or deboosted source degeneration inductance

Power amplifier signal compensation

Amplifiers with multiple outputs and configurable degeneration inductor

Enhanced doherty amplifier

Method and apparatus for a multi-standard, multi-mode, dynamic, DC-DC converter for radio frequency power amplifiers

Apparatus for a radio frequency integrated circuit

Method and device for acquiring multi-frequency band digital predistortion output signals

Single-input multiple-output amplifiers with independent gain control per output

Apparatus and methods for envelope tracking in radio frequency systems

Circuit and mobile communication device

Tunable wide band driver amplifier

Power amplifier and operation method therefor

Semiconductor module

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

Systems and methods for band-limited adaptation for PA linearization

Low variation current multiplier

Amplifiers with shunt switches

Digital upconversion for multi-band multi-order power amplifiers

LOW NOISE AMPLIFIERS FOR MULTIPLE RADIO STANDARDS

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

Semiconductor integrated circuit apparatus and radio-frequency power amplifier module

Low power multi-band, multi-mode transmitter

Matching device, transmitting amplifier, and wireless communication device

Integrated stacked power amplifier and RF switch architecture

Programmable wide-band radio frequency feed network

Multi-band wide band power amplifier digital predistortion system

Look up table-based sum predistorter for power amplifification with concurrent dual band inputs

Multi-Band Matching Network for RF Power Amplifiers

POWER AMPLIFYING CIRCUIT AND WIRELESS COMMUNICATION DEVICE

RF power amplifier and operating method thereof

Amplifier

Multi-mode multi-band self-realigning power amplifier

System and method for a multi-band power-amplifier

High frequency power amplifier

Digital multi-band predistortion linearizer with nonlinear subsampling algorithm in the feedback loop

Multi-band amplifier and method of amplifying multi-band

Circuit module and measurement method

System and method for improving power efficiency of a transmitter

Low variation current multiplier

Multi-band peak power reduction

Impedance matching circuit capable of broadband operation

Amplifier

Multi-band power amplifier

Apparatus and methods for envelope tracking

Receiver with overloading protection/prevention

Power amplifier circuit and front end circuit

Enhanced Doherty amplifier

Asymmetrical transformer output demultiplexing (atodem) circuit

Enhanced transformer output demultiplexing method (ETODEM)

Apparatus and methods for envelope tracking calibration

APPARATUS AND METHOD FOR AN INTEGRATED MULTI-MODE MULTI-BAND POWER AMPLIFIER

Combined RF detector and RF attenuator with concurrent outputs

Power synthesis circuit for radio frequency power amplifier

Receiver applied to a satellite down converter and radio frequency metal-oxide-semiconductor amplifier

Tunable radio front end and methods

Metamaterial power amplifier systems

Metamaterial power amplifier systems

Multi-band wideband power amplifier digital predistorition system and method

RADIO FREQUENCY SWITCH AND RADIO FREQUENCY MODULE

Radio transmitter and method for transmission of combined signal

Hybrid reconfigurable multi-bands multi-modes power amplifier module

Selectable PA bias temperature compensation circuitry

Multiband matching circuit

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

Communications circuit for reducing crosstalk

Multi-band high-efficiency Doherty amplifier

Power amplifier

RF power amplifier device and wireless communication terminal device

Automatically setting an operative state of a wideband amplifier

Semiconductor device

Electronic circuit and electronic device

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

Low noise amplifier with variable frequency response

MULTI-BAND POWER AMPLIFIER WITH HIGH-FREQUENCY TRANSFORMER

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

Bias circuit

RF power amplifiers with linearization

Amplifier for amplifying a high-frequency signal

Fully integrated tuner architecture

Apparatus and method for an integrated, multi-mode, multi-band, and multi-stage power amplifier

RADIO FREQUENCY POWER AMPLIFIER

Radio frequency power amplifier

Current to voltage converter

Semiconductor device, radio frequency circuit, and radio frequency power amplifier

Switchable balanced amplifier

Polar transmitter amplifier with variable output power

Radio frequency unit analog level detector and feedback control system

Tunable matching circuits for power amplifiers

Switchable multiband LNA design

Bias circuit, high-power amplifier, and portable information terminal

Switchable input pair operational amplifiers

Multi-mode radio frequency front end module

Integrated switchless programmable attenuator and low noise amplifier

Amplifier system for cell sites and other suitable applications

Broadband low noise amplifier

Broadband low noise amplifier

Metamaterial power amplifier systems

Multiband matching circuit and multiband power amplifier

RF power module

Receiver having multi-stage low noise amplifier

Switching low noise amplifier

RF amplification device

Radio frequency unit analog level detector and feedback control system

RF power amplifiers with linearization

Multi-band lookup table type predistorter

Semiconductor device

Multi-mode power amplifiers

Re-configurable low noise amplifier utilizing feedback capacitors

Method and apparatus for a fail safe fourier transform matrix

Method and apparatus for improving the performance of MIMO wireless systems

FREQUENCY TUNABLE LOW NOISE AMPLIFIER

SAMPLING RECEIVER

Load inductor sharing

Inductor sharing in radio frequency communications

RF amplifying device

MULTI-BAND TUNABLE RESONANT CIRCUIT

Power amplifier circuit for multi-frequencies and multi-modes and method for operating the same

Electronic component for communication device and semiconductor device for switching transmission and reception

Configurable, variable gain LNA for multi-band RF receiver

Reconfigurable tunable RF power amplifier

Fully integrated tuner architecture

Matching circuit

Hybrid concurrent and switched dual-band low noise amplifier

Operational amplifier selecting one of inputs, and an amplifying apparatus using the OP amplifier the verification method

Multistage Resonant Amplifier System and Method

Dual input low noise amplifier for multi-band operation

Power amplifier with an output matching network

Semiconductor device

Low strain variable frequency amplifier

Matching circuit and dual-band power amplifier

Matching circuit and multi-band amplifier

RF power amplifying device and wireless communication terminal device

Multiband wireless device and semiconductor integrated circuit

Low noise amplifier with multiple inputs and multiple outputs

Switching Low Noise Amplifier

Broadband low noise amplifier

Power amplifier

Electric component for communication device and semiconductor device for switching transmission and reception

Configurable circuits using phase change switches

RF power amplifier

Multiband Doherty amplifier

Polar transmitter amplifier with variable output power

Reconfigurable frequency filter

Power Amplifier With A Output Matching Network

RF power module

Antenna interface unit

Controlling the ratio of amplification factors between linear amplifiers

Frequency switch for multiband power amplifier applications and multiband/multistandard power amplifier module

Automatically setting an operative state of a wideband amplifier

Integrated switchless programmable attenuator and low noise amplifier

Stabilization circuit and multiband amplification circuit

Miniature dual band power amplifier with reserved pins

Multi-frequency wireless transmitter

Fully integrated tuner architecture

Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package

High-frequency amplifier

Impedance matching techiques for multi-band or wideband RF amplifiers and associated amplifier designs

Dual-band active filter

Matching circuit

Multimode transmitter, module, communication device and chip set

Temperature compensation for internal inductor resistance

Power amplifier and transmitter

Semiconductor device

Systems of miniaturized compatible radio frequency wireless devices

Concurrent triple-band gain amplifier for multi-standard coexist communications

Power series type predistorter for multi-frequency bands operation

Multi-band lookup table type predistorter

Semiconductor device

Radio frequency circuit apparatus and radio frequency module

Wireless transmitter and amplifier

Multi-band amplifier for test and measurement instruments

Bias circuit

Multi-band low noise amplifier, multi-band low noise amplifier module, wireless integrated circuit and multi-band RF module

Dual-band power amplifier

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

Use of a down-bond as a controlled inductor in integrated circuit applications

Dual band power amplifier module for wireless communication devices

Power amplifier with controllable feedback loop

Radio communication apparatus

Miniature bidirectional amplifier

Multi-standard amplifier

Receiving band switching circuit with reduced signal loss upon switching receiving band

Semiconductor device and camera using same

Discrete inductor bank and LC filter

Differential amplifier having independently tunable base gain, peak gain and boost frequency, and uses of same

Methods and apparatus for an improved discrete LC filter

Multi-band tunable resonant circuit

Multi-band RF transceiver with passive reuse in organic substrates

Dual-band CMOS front-end with two gain modes

Apparatus, methods and articles of manufacture for output impedance matching using multi-band signal processing

Programmable radio transceiver

Programmable radio transceiver