Power amplifier self-heating compensation circuit

Envelope tracking power management apparatus incorporating multiple power amplifiers

Power amplifier output matching

Uplink multiple input-multiple output (MIMO) transmitter apparatus

Impedance transformation circuit for amplifier

Power amplifier module, frontend circuit, and communication device

Flip-chip semiconductor-on-insulator transistor layout

Semiconductor-on-insulator transistor layout for radio frequency power amplifiers

Front end module for 6.1 GHz Wi-Fi acoustic wave resonator RF filter circuit

Hybrid coupler based T/R switch

Radio frequency module and communication device

Radio frequency module and communication device

Apparatus and method for canceling receiver input offset in distance sensing system

Power amplifier circuit

Power amplifying module

Power amplifier circuit

Load insensitive power detection

PRE-DISTORTION CONTROL LOOP FOR RF POWER AMPLIFIERS

Low-load-modulation broadband amplifier

Antenna module and electronic device using the same

Monolithic single chip integrated radio frequency front end module configured with single crystal acoustic filter devices

Transistor die with output bondpad at the input side of the die, and power amplifiers including such dies

Optical receiving device

Systems and methods of compensating for narrowband distortion in power semiconductor devices

Envelope tracking system having fast transition time for a radio frequency (RF) amplifier

Multiplexer, and radio frequency front-end circuit and communication device that use the same

Sign switching circuitry

Multiple-stage power amplifiers and devices with low-voltage driver stages

Power amplifier module

Gain compression compensation circuit of radio frequency power amplifier

Power amplifier circuit

Apparatus for preventing component burnout in electric device and method thereof

Power amplifier module with temperature compensation

Wideband RF power splitters and amplifiers including wideband RF power splitters

Power amplifier circuit

Semiconductor chip

Wireless two-way communication in complex media

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

Radio frequency switching circuit with hot-switching immunity

Multi-mode power management integrated circuit in a small formfactor wireless apparatus

Buffer circuit for radio frequency signals

Universal memory-based model for nonlinear power amplifier behaviors

Apparatus and methods for bias switching of power amplifiers

Predistorter, predistorter controller, and high power amplifier linearization method

Amplifiers and manufacture method thereof

Tunable baluns for multimode power amplification

Systems and methods for split-frequency amplification

Amplification circuit and communication device

Radio frequency module and communication device

Power amplifier circuit

Integrated multiple-path power amplifier

POWER AMPLIFIER

High electron mobility transistors and power amplifiers including said transistors having improved performance and reliability

Ultra-high data rate digital mm-wave transmitter with energy efficient spectral filtering

High gain active relay antenna system

Amplifier

Apparatus and method for power amplifier surge protection

Power amplification apparatus

DOHERTY POWER AMPLIFIERS WITH IMPROVED PEAKING AMPLIFIER MATCHING

Automated envelope tracking system

Amplifier and amplification method

Outphasing power combiner

Over-molded thin film antenna device

High-frequency signal transmission-reception circuit

Acoustic wave device with velocity adjustment layer

Acoustic wave filter with acoustic velocity adjustment structure

Acoustic wave device with acoustic velocity regions

Balun and amplifier including balun

Metamaterial based power amplifier module

Active duplexer

Device stack with novel gate capacitor topology

Power amplifier circuit

Apparatus and methods for low noise amplifiers with mid-node impedance networks

RF amplifier

Device for controlling wireless charging output power based on PWM integrating circuit

Method and apparatus for supplying voltage to amplifier using multiple linear regulators

Tapered broadband balun

Linearization with level tracking

Radio frequency module

Digital radio frequency circuitry

Radio frequency power amplifier with harmonic control circuit as well as method for manufacturing the same

Power amplifier circuit

Radio frequency signal transceiver

Real-time and adaptive radio-frequency power protection

Distortion compensation device and distortion compensation method

Power amplifier circuit

Thermal temperature sensors for power amplifiers

Doherty power amplifier devices having intergrated output combining networks

Semiconductors with improved thermal budget and process of making semiconductors with improved thermal budget

Cascode amplifier optimization

Correction of specific intermodulation products in a concurrent multi-band system

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

Out-of-band rejection using saw-based integrated balun and a differential low noise amplifier

Out-of-band rejection using SAW-based integrated balun

Radio frequency power amplifier and device

High-frequency module and communication device

Programmable optimized band switching LNA

Multi-channel Doherty amplifier, multi-antenna transmitter, and method for turning on the multi-channel Doherty amplifier

Radio-frequency amplifiers

RF amplifier including gain/phase compensator

Radio frequency (RF) amplifier

Drain sharing split LNA

Dual-path amplifier having reduced harmonic distortion

Method and associated controller for improving temperature adaptability of amplifier

Wideband power combiner and splitter

Power amplifier circuit

Bias circuit

Power amplifier module

Power amplifiers testing system and related testing method

Acoustic wave resonator with mass loading strip for suppression of transverse mode

Acoustic wave resonator with mass loading strip for suppression of hyperbolic mode

Power amplifier and electronic device

Power amplifier module and power amplification method

Average power tracking power amplifier apparatus

Reducing dynamic error vector magnitude in cascode amplifiers

Radio-frequency amplifier

Doherty amplifier device

Amplifier with integrated gain slope equalizer

IMPEDANCE MATCHING CIRCUIT AND METHOD

Semiconductor device and power amplifier module

Switchless bi-directional amplifier using neutralized differential pair

Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques

Apparatus for radio-frequency amplifier with improved performance and associated methods

Bias circuit

Low-power double-quadrature receiver

Distribution of clipping noise between bands

Radio frequency device and voltage generating device thereof

Radio-frequency integrated chip configured to support carrier aggregation and wireless communication apparatus including the same

Wideband reconfigurable impedance matching network

Amplifier distortion detection system

Envelope tracking systems for power amplifiers

Architecture of radio frequency front-end

Power amplifier module

Digital power amplifier

Operational amplifier, radio frequency circuit, and electronic device

Direct substrate to solder bump connection for thermal management in flip chip amplifiers

Single-supply multi-level envelope tracker for RF power amplifier efficiency enhancement

Antenna arrangements for a radio transceiver device

Monolithic microwave integrated circuits having both enhancement-mode and depletion mode transistors

RF transmit system with switchable power supply device

Radiofrequency integrated circuit and corresponding test method

Apparatus for processing biomedical signals for display

Radio frequency module and communication device

Multiplexer including acoustic wave filter with transmission line between resonators

Multi-input amplifier with individual bypass paths

Providing a constant impedance at an input of a signal amplifier for different gain modes

Power splitter with signal amplification

Mixer having phase shift function and communications device including the same

High-frequency power supply circuit and determining method of constants of amplifier circuit

Signal amplifiers that switch between different amplifier architectures for a particular gain mode

Tunable RF frontend

RADIO COMMUNICATION DEVICE

Method using signal component of multiplied frequency and electronic device therefor

Bulk acoustic wave filter co-package

Method for forming multiple bulk acoustic wave filters on shared die

Fast ramping power amplifier boost converter

Jump-start power amplifier boost converter

Radio frequency module and communication device

Harmonic filtering for high power radio frequency (RF) communications

Device and method for conditioning signals

Compensation circuit for amplitude modulation-amplitude modulation of radio frequency power amplifier

Multi-level envelope tracking systems with adjusted voltage steps

Power amplifier bias modulation for low bandwidth envelope tracking

Multi-level envelope tracking with analog interface

Multi-level envelope tracking systems with separate DC and AC paths

Power amplifier bias modulation for multi-level supply envelope tracking

Superconducting device that mixes surface acoustic waves and microwave signals

Unit cell and power amplifier module

Radio frequency module and communication device

Radio frequency module and communication device

Split mixer current conveyer

Methods of detecting power of individual carrier of aggregated carrier

Radio frequency module and communication device

Radio frequency module and communication device

Radio frequency module and communication device

FEEDBACK-BASED POWER SUPPLY FOR RADIO-FREQUENCY POWER AMPLIFIER

Adaptive envelope tracking threshold

Radio frequency circuit

Inductive magnetic sensor and electromagnetic prospecting equipment

Amplifier circuitry and method of amplification

Amplifier with tunable impedance circuit

Supply modulating circuit including switching circuit and wireless communication device including the supply modulating circuit

Ruggedness protection circuit

Hysteretic window adjustment of tri-level switching regulator

Semiconductor device

Radio frequency (RF) front end of low power consumption and fully automatic adjustable broadband receiver

Radio-frequency circuit and communication device

Front-end systems with a shared back switch

Devices related to unpowered switching module

Amplifier for a transceiver and a transceiver comprising such an amplifier

Systems and methods for split-frequency amplification

High power amplifier circuit with protective feedback circuit

Single-ended-to-differential amplifier and radio frequency receiver

Bias techniques for controlled voltage distribution in stacked transistor amplifiers

Compact three-way Doherty amplifier module

Apparatus and methods for power amplifiers with positive envelope feedback

Distributed feed-forward envelope tracking system

Electronic device including a temperature sensor connected to a power amplifier and a controller to control an input power based on a temperature of the power amplifier detected by the temperature sensor

Acoustic wave device with spinel layer and temperature compensation layer

Variable-gain amplifier with degeneration circuit

Divided amplifier

Amplifier system with reduced voltage swing

Multi-mode power amplifier

Apparatus and methods for power amplifier distortion network

Digital power amplifier with RF sampling rate and wide tuning range

Envelope tracking supply modulator for power amplifier

Body tie optimization for stacked transistor amplifier

Over-molded thin film antenna device

Compound semiconductor device

TUNABLE CAPACITOR ARRANGEMENTS IN INTEGRATED CIRCUIT PACKAGE SUBSTRATES

Transmitter unit suitable for millimeter wave devices

Radio-frequency power converter and radio-frequency transmission system for magnetic resonance imaging

Radio frequency amplifying device and magnetic resonance imaging apparatus

Multiplexer

Crosstalk cancellation circuit, transmitter, and transmission and reception system

Multiplexer with acoustic wave filter including resonators on a plurality of die

Filter circuit with a notch filter

Band pass filter

Power amplifier circuit, semiconductor device, and method for manufacturing semiconductor device

Scalable periphery tunable matching power amplifier

Amplifier circuit

Semiconductor device and amplifier assembly

Amplifier device

Wideband envelope control in polar modulators

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

Apparatus and method of power management using envelope stacking

Power amplifier systems with control interface and bias circuit

Radio frequency amplifier circuit

Method for making a wideband Doherty amplifier with reduced plan width and amplifier thereof

Integrated multiple-path power amplifier with interdigitated transistors

H-bridge power amplifier arrangement

Power amplifier

Mismatch detection using replica circuit

Systems and methods for performing electrophysiology (EP) signal processing

Bulk acoustic wave filters on shared die

Power amplifier circuit

Power amplifier circuit

Noise reduction in high frequency amplifiers using transmission lines to provide feedback

Radio frequency receiver, radio frequency transmitter, and communications device

Power amplifier module

Circuit and wireless device

Power amplifier module

INTEGRATED FILTER STACK FOR A RADIO FREQUENCY (RF) FRONT-END MODULE (FEM)

Apparatus and methods for adaptive power amplifier biasing

Extended spectrum TDMA upstream and downstream cable amplifier

Saturation detection of power amplifiers

Bond wire array for packaged semiconductor device

Radio frequency system based on millimeter wave communication, method for adjusting transmit power, and terminal

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

Baseband frequency selective magnitude and phase adjustment for wideband Doherty power amplifier

Wireless transceiver

Power amplifier

Power generation systems and methods for plasma stability and control

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

Radio frequency signal transmission circuit with a high switching speed

Wireless receiver

Power supply for radio-frequency power amplifier

Doherty power amplifier circuit

Power amplifier with each of multiple in-parallel circuits having power amplification and immittance conversion

Coupled line structures for wideband applications

RADIO FREQUENCY SYSTEM BASED ON MILLIMETER WAVE COMMUNICATION, METHOD FOR ADJUSTING TRANSMIT POWER, AND TERMINAL

Transceiver module

Power amplifier circuit

High frequency amplifier circuit and communication device

CROSSTALK CANCELLATION FOR DIGITAL PREDISTORTION FEEDBACK LOOP

Bias circuit

Cascode amplifier bias circuits

Broadband harmonic load modulation doherty amplifiers

Power amplifier and radio frequency device comprising the same

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

Inverted Doherty power amplifier with large RF fractional and instantaneous bandwidths

Inverted Doherty power amplifier with large RF and instantaneous bandwidths

Switch with integrated Schottky barrier contact

Semiconductor device

MULTIPLEXER AND FRONTEND MODULE COMPRISING A MULTIPLEXER

Acoustic wave filter, multiplexer, radio frequency front-end circuit, and communication device

Filter circuit and communication device

Digital wireless transmitter with merged cell switching and linearization techniques

Amplifying apparatus

High power radio frequency (RF) amplifiers

Multi-voltage generation circuit and related envelope tracking amplifier apparatus

Power amplification circuit

Radio-frequency module and communication apparatus

Radio-frequency module and communication apparatus

Multi-channel RF transmit system

RF power detector with a variable threshold

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

Transmitters and methods for operating the same

Electronic filter apparatus

Radio-frequency circuit and communication device

Radio-frequency circuit and communication device

METHOD AND ARRANGEMENT FOR COMPENSATING MEMORY EFFECTS IN POWER AMPLIFIER

Power amplifier circuit

Power amplifier

Power efficient amplifier

Helical antenna

Radio frequency generators, and related systems, methods, and devices

Antenna controller for antenna with linearized power amplifiers

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

Apparatus and methods for power amplifier output matching