Tunable power amplifier with wide frequency range

Power amplifier circuit

Power amplifier circuit

RF amplifier linearity enhancement with dynamically adjusted variable load

Spatial power-combining devices with filtering elements

Spatial combining devices for high-frequency operation

Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption

Method and device for providing a bias voltage in transceivers

Behavioral Modeling Of Concurrent Multiband Power Amplifiers

Power amplifier module

Systems and methods for communicating through a hard plastic mask

Transmission/reception module

Multi-path communication device for sharing feedback path for digital pre-distortion

Power amplification module

Power management circuit and related radio frequency front-end circuit

RF POWER AMPLIFIER FOR MAGNETIC RESONANCE IMAGING

Composite filter apparatus, high-frequency front end circuit, and communication apparatus

ARCHITECTURE FOR HIGH-BANDWIDTH POWER SUPPLY TO POWER AMPLIFIER (PA) DISTRIBUTION NETWORK

Current compensation circuit

Modular multi-channel RF calibration architecture for linearization

Variable frequency filter, radio frequency front-end circuit, and communication terminal

Amplifier device for an antenna-like MRI transducer and corresponding MRI apparatus

Envelope tracking amplifier circuit

Radio-frequency signal amplifier circuit, power amplifier module, front-end circuit, and communication device

Feed-forward envelope tracking

Aggregate signal amplification device and method

High-frequency filter, multiplexer, high-frequency front-end circuit, and communication device

Power amplifier noise suppression using feedback

Power amplifier with phase-shifted band-pass feedback

Load modulation amplifier

Voltage memory digital pre-distortion circuit

Circuitry and method for controlling a power amplifier in a transmit/receive switching system

Front end module for 5.6 GHz Wi-Fi acoustic wave resonator RF filter circuit

OPTICAL-TO-RADIO CONVERTER

Compound semiconductor device with high power and reduced off-leakage and method for manufacturing the same

Phase-Switched Impedance Modulation Amplifier

Apparatuses for power combining and power dividing

Tunable filter for RF circuits

Equalization of frequency-dependent gain

Single stage ramped power amplifiers

Image distortion correction in a wireless terminal

Ultra-low power receiver

Non-oscillating comparator

Method for improving linearity of radio frequency power amplifier, compensation circuit and communications terminal

Envelope tracking frontend device and switch thereof

Generation and synchronization of pulse-width modulated (PWM) waveforms for radio-frequency (RF) applications

Power amplifier circuit

Inductor and power amplifier module

Power amplification module

Phase shift and attenuation circuits for use with multiple-path amplifiers

Fast envelope tracking systems for power amplifiers

Wireless communications systems with envelope tracking capabilities

Surface acoustic wave device with thermally conductive layer

Acoustic wave filters with thermally conductive sheet

Envelope-tracking power supply modulator

Supply modulator and communication device including the same

Phase array receiver

Apparatus and a method for amplifying an input signal

Power amplifier circuit

Front-end system having switchable amplifier output stage

Signal coupling apparatus and method of operating a signal coupling apparatus

DIVERSITY RECEIVER FOR WIRELESS APPLICATIONS

Active biquad filter with oscillator circuit

Dual-feedback amplifier limiter

Calibrating a power amplifier such as in a remote unit in a wireless distribution system (WDS)

Signal switching systems and modules and devices using same

Power amplifier module

LC network for a power amplifier with selectable impedance

Semiconductor device and manufacturing method thereof

Multiplexer, high-frequency front end circuit, and communication device

RF phase shifting device

Multi-band power amplifier module

Reduction of second-order non-linear distortion in a wideband communication system

High-frequency front end circuit

Low noise amplifier arbiter for license assisted access systems

Radio frequency signal attenuator and method of operation thereof

Method of reducing memory effect of power amplifier

APPARATUS AND METHODS FOR POWER AMPLIFIER BIASING

Envelope trackers providing compensation for power amplifier output load variation

Chip capacitor circuit and structure therefor

Software-configurable multi-function RF module

Radio frequency (RF) transceiver and operating method thereof

Output circuit

Galvanically isolated amplifiers and related methods

Power amplifier self-heating compensation circuit

Method for producing an amplification stage for a variable envelope signal

Distortion compensation circuit

Power amplification system with adaptive bias control

Apparatus and methods for bias switching of power amplifiers

Dynamically controlling a negative impedance of a voltage controlled oscillator

High-resolution phase shifter

Systems and methods for communicating through a hard plastic mask

Envelope tracking amplifier circuit

Power amplification circuit

Multi-mode power management system supporting fifth-generation new radio

Apparatus and methods for biasing of power amplifiers

Circuit arrangement, mobile device and method for amplifying a signal

Radio frequency amplifier

Power amplifier control method and apparatus, and power amplifier control system

Amplifier circuit for compensating an output signal from a circuit

Distributed power amplifiers

Apparatus and methods for envelope tracking systems

Modularized feed array arrangement

DYNAMIC BIAS CONTROL

Bias circuit and power amplifier having the same

Power amplification module

Dynamically configurable bias circuit for controlling gain expansion of multi-mode, single chain linear power amplifiers

Apparatus and methods for reducing inductor ringing of a voltage converter

Power amplifying apparatus with spurious signal reduction function

Control system for a power amplifier

Power amplification module

Doherty amplifier

Power amplifier module

Feed-forward envelope tracking

Circuits for wireless communication on multiple frequency bands

Receiver and wireless terminal for signal processing

Power amplification division circuit and multi-stage type power amplification division circuit

Schottky enhanced bias circuit

Unified antenna module and roof antenna for vehicle using the same

Finite impulse response analog receive filter with amplifier-based delay chain

Local oscillator feedthrough signal correction apparatus and method, and microprocessor control unit

Digital transmitter

Current mirror bias compensation circuit

Doherty power amplifiers with different operating biases

Resistive interpolation for an amplifier array

Method and apparatus for adaptive transmit power control

Weakly coupled based harmonic rejection filter for feedback linearization power amplifier

Distributed amplifier

Radio frequency circuit, transmitter, base station, and user terminal

Frequency dependent envelope tracking

Demultiplexing apparatus and method of designing the apparatus

Amplifier architectures with bypass circuits and resonant structures

Power amplifier circuit

Radio-frequency devices having AM-PM distortion correction features

Selective power amplifier

Near field communications device

Diversity receiver front end system with variable-gain amplifiers

Radio-frequency amplification systems, devices and methods

Radio frequency feedback power amplifiers

Amplifier circuit

RF power amplifier dynamic supply boosting circuit

Power amplifier module

Digital dynamic bias circuit

Multi-mode power amplifier

Circuit and a method for generating a radio frequency signal

Predistorter for compensating linearity of an amplifier

Modulation agnostic digital hybrid mode power amplifier system and method

Tunable filter for LTE bands

Power amplification module, front-end circuit, and communication device

Surface acoustic wave filter with temperature sensor

Filter with over temperature protection

Power amplifier module

Radio frequency front end transmit and receive path switch gain

Multi-power amplification

High-frequency signal processing apparatus and wireless communication apparatus

Dynamic phased array tapering without phase recalibration

Power amplification module

Bias modulation active linearization for broadband amplifiers

RF transceiver and RF transmitter of the same

Method for data modulation in wireless communication system and apparatus for the same

Techniques for low-loss multi-band multiplexing

Harmonically tuned load modulated amplifier

Electromagnetic wave radiator

Front-end systems with multiple loopbacks and a shared back switch

Low-noise amplifier (LNA) with capacitive attenuator

Dual hysteretic control loop of envelope tracking

Automatic bias controller for a pulsed power amplifier

Interference cancellation relay device

Sinewave generation from multi-phase signals

Digital predistortion for multiple power amplifiers

Amplification circuit

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

Doherty amplifiers with passive phase compensation circuits

Amplifier device

Method and electronic device for minimizing noise in power amplifier

Receiver calibration using power amplifier noise

Enhanced amplifier efficiency through cascode current steering

Amplifier with power dissipation reduction using single radio frequency digital-to-analog converter

CIRCUITS AND METHODS FOR BIASING POWER AMPLIFIERS

Power amplifier operation

AREA EFFICIENT ARCHITECTURE TO COMBINE OUTPUTS OF PARALLEL TRANSMIT SIGNAL PATHS

Multi-gain signal amplifier with switchable amplifier architectures

Radio frequency (RF) devices with resonant circuits to reduce coupling

Impedance matching circuit of communication apparatus

Amplifier linearization in a radio frequency system

Bias circuit

Power amplifier configurations with power density matching

RF switch with split tunable matching network

Phase shift and attenuation circuits for use with multiple-path amplifiers

POWER AMPLIFICATION SYSTEM WITH PROGRAMMABLE LOAD LINE

Remote radio head unit system with wideband power amplifier

Method of switching on and off a power amplifier, related power amplifier circuit, system and computer program product

Power amplifier, power amplification method, and power amplification control apparatus and method

DOHERTY AMPLIFIER

Power amplification circuit

Supply modulator and communication device including the same

High efficiency power amplifier architectures for RF applications

Programmable biasing for pin diode drivers

Integrated biasing for pin diode drivers

Radio-frequency module

Power amplifier

Doherty power amplifier combiner with tunable impedance termination circuit

Receiver receiving wideband radio frequency signal, wireless communication device including the same, and method of operating the wireless communication device

Receiver

RF power package having planar tuning lines

Frequency-modulated continuous wave generator and frequency-modulated continuous wave radar system including the same

Reducing impedance discontinuities on a shared medium

Power amplifier output power control circuit

Power amplifier and gain reduction circuit thereof

Amplifier system with digital switched attenuator

Temperature compensated oscillator

Power amplification module

Amplifier devices with back-off power optimization

Outphased spatial combiner

Outphased spatial combiner

Semiconductor device and operating method thereof

Multi-mode multi-frequency power amplifier

Adaptive multiband power amplifier apparatus

Envelope tracking current bias circuit and power amplifier apparatus

LOW GAIN LINEARIZATION FOR HIGH SIGNAL-TO-NOISE RATIO

Amplifier architecture reconfiguration

Low impedance adaptive bias scheme for power amplifier

Amplifier devices with input line termination circuits

Apparatus and method for operating a power amplifier array with enhanced efficiency at back-off power levels

Communication module

High-frequency front-end circuit

Impedance flattening network for high efficiency wideband doherty power amplifier

Predistortion system and method

Advanced RF input port against surge

DIGITAL HYBRID MODE POWER AMPLIFIER SYSTEM

COOLING APPARATUS, EXHAUST GAS PROCESSING APPARATUS AND CONTROLLING METHOD

Low-noise amplifier and electronic device

Composite power amplifier

Cascaded switch between pluralities of LNAS

Aggregate signal amplification device and method

High efficiency linearization power amplifier for wireless communication

Radio frequency apparatus and method with dual variable impedance components

Quasi-differential RF power amplifier with high level of harmonics rejection

Signal removal to examine a spectrum of another signal

Transmission/reception module

Programmable filter in an amplifier

Switching power supply for RF power amplifiers

Amplifier with improved linearity

Low power spectrally pure offset local oscillator system

Matching circuit for low noise amplifier and low noise amplifier comprising such a circuit

Single input, dual output path low-noise amplifier

Methods for multi-path amplifiers and multi-path amplifier

Heat regulation for components of phased array antennas

Equalization of frequency-dependent gain

Multistage amplifier linearization in a radio frequency system

Combining power amplifiers at millimeter wave frequencies

Filtering architectures and methods for wireless applications

Attenuators having phase shift and gain compensation circuits

Reconfigurable power amplifier

High-frequency amplifier module

High-frequency amplifier module

Devices and methods related to embedded sensors for dynamic error vector magnitude corrections

Output power cell for cascode amplifiers

Power amplifier circuit

Directional coupler and wireless communication device using the same

Low-noise amplifier with low-loss bypass mode

Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter

Systems and methods providing an intermodulation distortion sink

Reconfigurable radio frequency (RF) bandstop/intermediate frequency (IF) bandpass filter

Multi-mode envelope tracking amplifier circuit

Multi-stage bandpass low-noise amplifier

Wideband highly linear amplifier

Method and Apparatus for Supplying Power to an Amplifier

Capacitively coupled patch antenna

Systems and methods for a switchless radio front end

Power amplifier

Adjustable gain power amplifier, gain adjustment method and mobile terminal

POWER SUPPLY CONTROL

Active bias circuit for power amplifier, and mobile terminal

High-frequency signal processing apparatus and wireless communication apparatus

Matching network circuit and radio-frequency power amplifier with odd harmonic rejection and even harmonic rejection and method of adjusting symmetry of differential signals

Doherty amplifier

Power converting system

Broadband matching network

Doherty amplifier and power amplifier

Noise cancelling baseband amplifier

CIRCUIT FOR ENHANCING SENSITIVITY OF MOBILE DEVICE

Radio frequency (RF) transceiver and operating method thereof

Parallel use of serial controls in improved wireless devices and power amplifier modules

Reconfigurable transceivers

Power amplifier with stabilising network

Automatic impedance matching using true power information

Power amplification module

System and Method of RF Power Transmission, Modulation and Amplification

Protection circuit for an RF power amplifier

Apparatus and a method for providing a supply control signal for a supply unit

Radio frequency system switching power amplifier systems and methods

Active cross-band isolation for a transformer-based power amplifier

Method to mitigate undesired oscillator frequency modulation effects in-side a synthesizer due to interference signals and synthesizer circuit

SYSTEMS AND METHODS FOR A PREDISTORTION LINEARIZER WITH FREQUENCY COMPENSATION

Compound semiconductor device

Wireless device with overstress indicator

Wireless device with a multi-turn directional coupler

Methods and devices for ramping a switched capacitor power amplifier

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