Direct coupled radio frequency (RF) transceiver front end

RF power amplifier and RF power module using the same

Power amplifier with reconfigurable direct current coupling

High-efficiency power amplification apparatus using saturated operation and method for controlling the same

High efficiency power amplifier having embedded switching

Power amplifier architectures

Tunable Impedance Matching Circuit

BIAS CIRCUIT

Wireless transmitter calibration using device receiver

Broadband power amplifier

High frequency semiconductor device

Power amplifiers with discrete power control

Control modules

Multilayer amplifier module

RF power amplifier

Semiconductor device in which a semiconductor chip is sealed

RFIC with high power PA

RF amplification device

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

Current canceling variable gain amplifier and transmitter using same

Switch-less bidirectional amplifier

RF power amplifier system with impedance modulation

Multi-level pulse width modulation power amplifier method and apparatus

Integrated circuit with parallel sets of transistor amplifiers having different turn on power levels

Amplifying apparatus

High frequency amplifier

Determining on chip loading impedance of RF circuit

N:M TRANSFORMER AND IMPEDANCE MATCHING

HYBRID IMPEDANCE MATCHING

RF pre-amplifiers and power amplifiers

POWER AMPLIFIER WITH DIGITAL PRE-DISTORTION

Transmission circuit for bias control of power amplifier

RF power amplifiers with linearization

Power amplifier architectures

Amplifier providing power recovery from a narrow-band antenna

Linearized trans-impedance amplifiers

Power amplifier output voltage reduction method

Radio frequency communications circuitry with power supply voltage and gain control

Integrated amplifier circuit

LINC amplifying device

Switched capacitor voltage converter for a power amplifier

Variable passive components with high resolution value selection and control

Reconfigurable circuit to compensate for a low noise amplification input matching variation and a method for its configuration

Low noise amplifier gain controlled scheme

High frequency power amplifier

Power amplifying apparatus and mobile communication terminal

Re-configurable low noise amplifier utilizing feedback capacitors

Multiple-path power amplifier

Low-noise amplifier

Multi-segment primary and multi-turn secondary transformer for power amplifier systems

Semiconductor power device with bias circuit

System and Method for Impedance Mismatch Compensation in Digital Communications Systems

Load-line adaptation

High power integrated RF amplifier

Systems and methods for cascode switching power amplifiers

Multi-segment primary and multi-turn secondary transformer for power amplifier systems

Harmonic tuned doherty amplifier

Semiconductor device

Distributed Doherty amplifiers

SAMPLING RECEIVER

Doherty amplifier

Adaptively tuned RF power amplifier

Multiband output impedance matching circuit having passive devices, amplifier including multiband input impedance matching circuit having passive devices, and amplifier including multiband input/output impedance matching circuit having passive devices

POWER AMPLIFIER HAVING AN ADAPTIVE AMPLIFYING MECHANISM

Method for automatic impedance matching for a radiofrequency circuit and transmission or reception system with automatic matching

HIGH FREQUENCY POWER AMPLIFIER AND HIGH FREQUENCY HEATING DEVICE

Semiconductor integrated circuit

Unilateral feedback power amplifier and method for realizing the same

RF power transistor packages with internal harmonic frequency reduction and methods of forming RF power transistor packages with internal harmonic frequency reduction

Reconfigurable tunable RF power amplifier

Semiconductor integrated circuit device

High frequency circuit, semiconductor device, and high frequency power amplification device

Apparatus and method for power added efficiency optimization of high amplification applications

Power amplifier circuitry and method

Matching circuit

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

Output Circuit

Amplifier

Method and apparatus for increasing the efficiency of low power amplifiers

Linearized trans-impedance amplifier

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

Power combiner

Doherty amplifying apparatus using a harmonic control circuit

Variable passive components with high resolution value selection and control

RADIO FREQUENCY POWER DELIVERY SYSTEM

Amplifier for use in radio-frequency band

RFIC with high power PA

Dual-mode, dual-load high efficiency RF power amplifier

Multiband wireless device and semiconductor integrated circuit

Amplifier containing programmable impedance for harmonic termination

Unilateral feedback power amplifier and method for realizing the same

Inductor-tuned buffer circuit with improved modeling and design

Power amplifying apparatus and mobile communication terminal

Semiconductor device

Broadband impedance matching circuit using high pass and low pass filter sections

Multi-path doherty amplifier and control method of a multi-path doherty amplifier

Distributed amplifier having a variable terminal resistance

Power amplifier circuit for peak envelope modulation of high frequency signal

Multiple power mode amplifier with bias modulation option and without bypass switches

Power amplifier circuit and method for envelope modulation of high frequency signal

Multiple power mode amplifier with bias modulation option and without bypass switches

Multiple power mode amplifier with bias modulation option and without bypass switches

Multiple power mode amplifier with bias modulation option and without bypass switches

Millimeter-wave cascode amplifier gain boosting technique

High efficiency switch-mode power amplifier

Power Amplifier With A Output Matching Network

DC-bias network for a distributed amplifier

FM Power Amplifier With Antenna Power Control

Trans-impedance amplifier with offset current

RF power transmission, modulation, and amplification, including cartesian 4-branch embodiments

High-power amplifier

Variable passive components with high resolution value selection and control

Output stage with low output impedance and operating from a low power supply

Methods and apparatus for a high-frequency output match circuit

Systems and methods of RF power transmission, modulation, and amplification, including cartesian 4-branch embodiments

Method and apparatus for controlling an output voltage in a power amplifier

Differential amplifier and radio system with a differential amplifier

Device for transmitting electromagnetic signals and application of said device

Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodiments

Variable gain amplifier

Method and apparatus for stabilizing RF power amplifiers

Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodiments

Stabilization circuit and multiband amplification circuit

Multi-stage broadband amplifiers

MULTI CONTROLLED OUTPUT LEVELS CMOS POWER AMPLIFIER (PA)

RF power amplifier and method for packaging the same

Dual mode power amplifier

Multiple power mode amplifier with bias modulation option and without bypass switches

Multiple input single output (MISO) amplifier with circuit branch output tracking

RF power transmission, modulation, and amplification, including harmonic control embodiments

Output impedance insensitive power amplifier architecture

Systems and methods of RF power transmission, modulation, and amplification, including multiple input single output (MISO) amplifier embodiments comprising harmonic control circuitry

RF power transmission, modulation, and amplification, including power control of multiple input single output (MISO) amplifiers

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

Systems and methods of RF power transmission, modulation, and amplification, including Cartesian-Polar-Cartesian-Polar (CPCP) embodiments

High-frequency amplifier

Multiple input single output (MISO) amplifier having multiple transistors whose output voltages substantially equal the amplifier output voltage

Method and arrangement for adjusting an output impedance of a power amplifier

Systems and methods of RF power transmission, modulation, and amplification, including waveform distortion compensation embodiments

RF power transmission, modulation, and amplification using multiple input single output (MISO) amplifiers to process phase angle and magnitude information

Radio frequency power amplifier module

Dual-band active filter

Semiconductor device

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

Systems and methods of RF power transmission, modulation, and amplification, including a Cartesian-Polar-Cartesian-Polar (CPCP) embodiment

Power amplifier utilizing quadrature hybrid for power dividing, combining and impedance matching

Integrated RF front end with stacked transistor switch

Power amplifying semiconductor integrated circuit device for use in communication equipment

Radio frequency power amplifier

High efficiency switch-mode power amplifier

Multi-state load switched power amplifier for polar modulation transmitter

Power amplifying apparatus using asymmetric power drive

Systems and methods for vector power amplification

Systems and methods for vector power amplification

Radio frequency power amplifier module

Semiconductor device

Amplifier system and method

Linearized trans-impedance amplifier

Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus using the same

RF power amplifier and method for packaging the same

Mixed-mode (current-voltage) audio amplifier

Radio frequency power amplifier module

Multiple power mode amplifier with bias modulation option and without bypass switches

Method and apparatus to match output impedance of combined outphasing power amplifiers

Method and apparatus providing integrated load matching using adaptive power amplifier compensation

Power amplifier circuitry and method

Power amplifier circuitry and method

Power amplifier circuitry and method

Power amplifier circuitry and method

Asymmetric, optimized common-source bi-directional amplifier

Dual-band monolithic microwave IC (MMIC) power amplifier

Harmonic matching network for increasing performance in class-F power amplifiers

High efficiency and high powerlinear amplifier

Asymmetric Doherty amplifier with complex combining load matching circuit

Doherty amplifier with complex combining load matching circuit

Reverse power reducing method and plasma power apparatus using the same

Apparatus and methods for power efficient CMOS and BiCMOS transmitters suitable for wireless applications

System for voltage standing wave ratio (VSWR) measurement

Switch-mode power amplifier for an RF transmitter employing digitally-controlled OOB harmonic attenuation techniques

Multi-stage stacked power amplifier feedback circuit for improved performance

High efficiency S-band amplifier

Fully differential adjustable gain devices and methods for use therewith

Detuning multiband tunable matching networks

Common mode voltage ramping in Class-D amplifiers minimizing AM band emissions in passive keyless entry systems

Wideband distributed power amplifier utilizing metamaterial transmission line conception with impedance transformation

Compact doherty power amplifier using non-uniform phase match devices

Broadband image-reject receiver for multi-band millimeter-wave 5G communication

High-speed internal hysteresis comparator

Balanced RF amplifier using a common mode choke

Broadband input matching and video bandwidth circuits for power amplifiers

Method to build asymmetrical transmit/receive switch with 90 degrees impedance transformation section

Transistor with shield structure, packaged device, and method of manufacture

RF amplifier package with biasing strip

Envelope tracking power amplifier circuit

Programmable impedance control for a transformer

Doherty power amplifier

Harmonic filter for RF amplifier

Power amplifier output circuit arrangements with mutual coupling between inductors

Power amplifier self-heating compensation circuit

Programmable optimized band switching LNA for operation in multiple narrow-band frequency ranges

High-efficiency RF digital power amplifier with joint duty-cycle/amplitude modulation

Multi baseband termination components for RF power amplifier with enhanced video bandwidth

Waveguide to microstrip line N-port power splitter/combiner

Doherty amplifiers with minimum phase output networks

Switching amplifier

Multiple-path RF amplifiers with angularly offset signal path directions, and methods of manufacture thereof

Phase-stiff RF power amplifier for phased array transmit/receive modules

RF device package with integrated hybrid coupler

Inverse class F amplifiers with intrinsic capacitance compensation