Power amplifier circuit

Dynamic amplifier supply in a phased antenna array

Coupler circuit

HIGH-FREQUENCY AMPLIFIER CIRCUIT

Wideband amplifier

Multi-mode power amplifier apparatus

Phase shifters for communication systems

Method of processing a signal of a passive RFID chip with a reader

AVERAGE POWER TRACKING SYSTEMS WITH FAST TRANSIENT SETTLING

Methods and devices for reducing power consumption and increasing frequency of operations in digital to analog converters

Clock generator circuit for generating duty cycle clock signals at low power

Acoustic wave filter including different types of resonators

Multiplexer with acoustic wave filter including different types of resonators

Multiplexer with filter including different types of acoustic wave resonators

BIDIRECTIONAL VARIABLE GAIN AMPLIFIERS FOR RADIO FREQUENCY COMMUNICATION SYSTEMS

APPARATUS AND METHODS FOR AVERAGE POWER TRACKING

SEMICONDUCTOR DEVICE

AMPLIFICATION CIRCUIT

Systems and methods for modular power amplifiers

Complementary envelope detector

Multi-amplifier envelope tracking apparatus

Low noise charge pumps

High-resolution phase shifter

Biasing of cascode power amplifiers for multiple power supply domains

Amplifying circuit and rectifying antenna

Radio frequency power amplifier, chip, and communication terminal

POWER AMPLIFIER

Wideband auxiliary input for low noise amplifiers

High frequency amplifier circuit and communication device

Doherty amplifier

Barely Doherty dual envelope tracking (BD2E) circuit

Power amplifiers with supply capacitor switching

Radio-frequency module and communication apparatus

Power amplifier circuit

Hybrid Doherty power amplifier module

Distributed power management apparatus

Systems and methods for wireless power delivery

Systems and methods for communicating through a hard plastic mask

CRYOGENIC PARAMETRIC AMPLIFIER CONTROL APPARATUS

High gain-bandwidth product (GBW) amplifier with passive feedforward compensation

POWER AMPLIFIER CIRCUIT

Method for enhancing power amplifier efficiency and linearity and power amplifier

Low power receiver and related circuits

TURN ON TIME ACCELERATION OF A CASCODE AMPLIFIER

Radio frequency module and communication device

Band pass filter

Adaptive degeneration circuits

Multi-input amplifier with degeneration switching without the use of switches

Parallel cascode amplifier for enhanced low-power mode efficiency

Multi-mode power management apparatus

RECONFIGURABLE AMPLIFIER

Communication device

LOAD MODULATED DOHERTY POWER AMPLIFIERS

Load-modulated balanced amplifiers

Reconfigurable asymmetrical load-modulated balanced amplifiers

Systems and methods for performing electrophysiology (EP) signal processing

Circuits, devices and methods related to phase shifter tuning in carrier aggregation

Apparatus and methods for adaptive power amplifier biasing

Stacked power amplifiers with DC current reuse

Multi-mode broadband low noise amplifier

Transmitting and receiving device having a wide-band HF power amplifier, in particular an N-way Doherty amplifier having active load modulation

Power-combining devices with increased output power

Amplifier having improved stability

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

COMMUNICATION APPARATUS AND COMMUNICATION METHOD

Radio frequency circuit and communication device

COMBINING BALUN AND DIFFERENTIAL AMPLIFICATION DEVICE

Phased array amplifier linearization

Overvoltage protection for power amplifier with soft shutdown

DOHERTY AMPLIFIER AND COMMUNICATION DEVICE

Tunable effective inductance for multi-gain LNA with inductive source degeneration

Amplifier with switchable transformer

Load-adaptive power amplifier

Power amplifier having analog pre-distortion by adaptive degenerative feedback

Active antenna radar with extended angular coverage

Feedforward power amplifier for broadband operation

METHODS AND APPARATUS FOR POWER AMPLIFIER TRANSFORMERS

Equalizer circuit and related power management circuit

Apparatus and method for power amplifier surge protection

Device and method for downlink gain compensation as well as radio unit comprising the device

Supply modulator providing multi-level supply voltage and operating method thereof

Electromagnetic wave radiator

Radio frequency transistor amplifiers having widened and/or asymmetric source/drain regions for improved on-resistance performance

Radio frequency generator

Digitally assisted radio frequency transmitter

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

Outphasing power combiner

Electronic device and method for wireless communication

Protection circuit of power amplifier and power amplifier including the same

Multiple inputs multiple ouputs RF front-end amplifier circuit, chip and method for configuring signal path

Multiple output low noise amplifier circuit, chip, and electronic device

Amplifier circuit

Power amplifier circuit

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

METHOD AND SYSTEM FOR DIGITAL FEED-FORWARD LINEARIZATION

Multiband receivers for millimeter wave devices

Dual mode notch filter

Compositions of influenza hemagglutinin with heterologous epitopes and/or altered maturation cleavage sites and methods of use thereof

POWER AMPLIFICATION DEVICE AND AN RF CIRCUIT MODULE

Power amplifier device and semiconductor die

Semiconductor device

Selectively switchable wideband RF summer

Source switch split LNA design with thin cascodes and high supply voltage

Signal envelope detector, overload detector, receiver, base station and mobile device

Power amplifiers and transmission systems and methods of broadband and efficient operations

Power amplifier

POWER AMPLIFIER CIRCUIT, TRANSMITTER, AND NETWORK DEVICE

MODEL TRAINER FOR DIGITAL PRE-DISTORTER OF POWER AMPLIFIERS

Interactive online adaptation for digital pre-distortion and power amplifier system auto-tuning

Low noise amplifier and operation method of low noise amplifier

System for adapting the voltage of a drain of a power stage

Waveform-tailored average power tracking

Dynamically biased power amplification

Fast-switching power management circuit operable to prolong battery life

INTEGRATED ELECTRONICS ON THE ALUMINUM NITRIDE PLATFORM

Semiconductor device

Semiconductor device

Semiconductor device and semiconductor module

Biasing technique for receiver based on radio frequency (RF) jammer detection

Reference signal generation for power amplifiers of RF transmitters and transceivers

Methods of detecting power of individual carrier of aggregated carrier

Radio frequency power amplifier system and method of linearizing an output signal thereof

Power amplifier circuit, power amplifier device, and RF circuit module

Tunable vector recombination amplifier

Hybrid power amplifier with GaN-on-Si and GaN-on-SiC circuits

Semiconductor device and semiconductor module

RADIO-FREQUENCY MODULE

Switch with electrostatic discharge (ESD) protection

Analog predistortion linearization for optical fiber communication links

Wideband balanced duplexer

Output matching circuit and power amplifier circuit

Switched capacitor modulator

Power amplifier with a power transistor and an electrostatic discharge protection circuit on separate substrates

Power amplifier with a power transistor and an electrostatic discharge protection circuit on separate substrates

Amplifying device

Surface mount microstrip circulators using a ferrite and ceramic dielectric assembly substrate

MR system with improved protection against cardiac stimulation

Radio-frequency circuit and communication device

Wireless transceiver

Optimized multi gain LNA enabling low current and high linearity including highly linear active bypass

Bias circuit and amplifier device

POWER AMPLIFIER CIRCUIT

Amplifier device

RF amplifier package

Systems and methods for using one or more sensors to detect and classify objects in a keep-out zone of a wireless-power transmission field, and antennas with integrated sensor arrangements

Systems and methods for communicating through a hard plastic mask

Millimeter-wave fully-integrated full duplexer modules with and without internal low noise amplifier and power amplifier for 5G applications

Radio-frequency module and communication device

Per-branch, combined, and grouped combined MIMO DPD

Power amplifier circuit

Amplifier with stacked transconducting cells in current mode combining

Amplifier with stacked transconducting cells in parallel and/or cascade “current mode” combining

No-load-modulation, high-efficiency power amplifier

Radio frequency assembly with improved isolation

Method and device for detecting the phase of a signal via a hybrid coupler, using a test signal

Cellular network that dynamically adjusts bandwidth and number of MIMO paths based on realized channel capacity

MULTISTAGE DOHERTY POWER AMPLIFIER AND TRANSMITTER

CONTROL DEVICE

METHODS RELATED TO AMPLIFICATION OF RADIO-FREQUENCY SIGNALS

Radio frequency digital to analog conversion

Systems and methods for controlling a power amplifier output

RF power amplifier with extended load modulation

Gate drivers for stacked transistor amplifiers

Electronic circuit and power amplifier comprising same

Beam steering antenna systems and methods thereof

Transmitter / receiver device

Systems and related techniques for efficient operation of a cellular network

Bidirectional communication circuit, system and method for bidirectional communication

Power amplifier

Radio frequency circuit, method of transmitting and receiving radio frequency signal, and wireless communication device

Multi-output supply generator for RF power amplifiers with differential capacitive energy transfer

Electronic device including wireless communication system, for processing transmission signal or reception signal

Radio frequency transistor amplifiers having multi-layer encapsulations that include functional electrical circuits

RF amplifier apparatus

Amplifier having electrostatic discharge and surge protection circuit

Load regulation for LDO with low loop gain

Gallium nitride transimpedance amplifier

Systems and methods for differential antenna driving

SYSTEMS AND METHODS FOR PATCH ANTENNA DRIVING

System and method for decontamination of materials

Device, method and computer program product for amplification of an input signal

Symmetrical Doherty power amplifier having improved efficiency

Reconfigurable power divider/combiner

Quadrature error correction for radio transceivers

Satellite uplink amplifier and method for providing a multiband uplink signal

Resonance generator system and method for capturing oscillatory signals

High-frequency module and communication device

ACOUSTIC WAVE DEVICE, HIGH-FREQUENCY FRONT-END CIRCUIT, AND COMMUNICATION DEVICE

Radio frequency module, communication device, and acoustic wave device

Acoustic wave device with spinel layer and temperature compensation layer

Low-cost filter

Power amplifier circuit

Bias circuit and power amplifier circuit

Wideband radio-frequency transceiver front-end and operation method thereof

Doherty power amplifiers and devices with low voltage driver stage in carrier-path and high voltage driver stage in peaking-path

Voltage protection circuit to prevent power amplifier burnout, and electronic device having the same

Method and device for determining the phase shift between two signals

Single ladder duplexer with impedance gradient

Single ladder duplexer with impedance gradient

Amplifier device and duplexer circuit

Circuit and a method for generating a radio frequency signal

Amplification circuit with over power protection

POWER AMPLIFIER TIME-DELAY INVARIANT PREDISTORTION METHODS AND APPARATUS

Power management circuit operable with group delay

Maximum voltage detection in a power management circuit

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

Semiconductor device

Dynamic fast charge pulse generator for an RF circuit

Load insensitive power amplifier with quadrature combiner

90-degree lumped and distributed Doherty impedance inverter

DISTRIBUTED ACTIVE POWER COMBINING AMPLIFIER

Power amplifier bias modulation for low bandwidth envelope tracking

Oscillating circuit with differential varactor circuits

RF receiver system with adjustable impedance matching

Front end modules for 5.6 GHz and 6.6 GHz Wi-Fi acoustic wave resonator RF filter circuits

Power amplification circuit

Apparatus and method of power management using envelope-stacking

Power amplifier impedance adjustment circuit

Envelope tracking power amplifier apparatus

Method for adjusting power amplifier impedance

Differential amplifier including dual magnetically coupled feedback loops

Amplifier including magnetically coupled feedback loop and stacked input and output stages adapted for DC current reuse

Amplifier linearization using magnetically coupled feedback

Amplifier linearization using magnetically coupled feedback provided by a transformer coupled to a balun-based load

Impedance control in merged stacked FET amplifiers

Method of improving linearity of amplifier circuit including magnetically coupled feedback loop and DC bias current adjustment without impacting amplifier gain

Radio-frequency module and communication device

Bulk acoustic wave device with raised frame structure

Multi-gradient raised frame in bulk acoustic wave device

Bulk acoustic wave device with multi-gradient raised frame

Amplifiers for RF ADCS

Amplifier circuitry for carrier aggregation

Active splitting amplifier circuit

Radio-frequency module and communication device

Segmented power amplifier arrangements with feedforward adaptive bias circuits

Wireless amplifier circuitry for carrier aggregation

Tunable monolithic group III-nitride filter banks

Power amplifier system

Power amplifier system

Semiconductor circuit

Power amplifiers and unmatched power amplifier devices with low baseband impedance terminations

Hybrid RF integrated circuit device

Dual-mode power amplifier with switchable operating frequencies

Sub-micron CMOS high-power cascode RF power amplifier

Multi-level envelope tracking with analog interface

Multi-level envelope tracking systems with adjusted voltage steps

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

Tuning range enhancement by negative resistance

Electronic device for identifying performance of communication circuit based on signal transmitted and received via antenna

POWER AMPLIFYING CIRCUIT

Wideband amplifier tuning

Distributed conversion of digital data to radio frequency

Digital Doherty Transmitter

Advanced 3D inductor structures with confined magnetic field

Surface acoustic wave resonator, its manufacturing method, and radio circuit

Multiple-Port Signal Booster

Power amplifier power management in user equipment

Power management of power amplifier modules

Mixer having phase shift function and communications device including the same

Power amplifier circuit

Measurement method using radio frequency power amplifier

Amplifier device

Power amplifier modules with controllable envelope tracking noise filters

Tuning of narrowband near-field probes

Radio frequency module

Phase shifter with compensation circuit

Combining power amplifers at milimeter wave frequencies

Radiofrequency power amplifier

Power amplifier module

RADIO-FREQUENCY AMPLIFIER CIRCUIT

Peripheral for amplifier linearization with complimentary compensation

Wideband amplifier linearization techniques

Broadband, high-efficiency, non-modulating power amplifier architecture

Broadcast Receiving Device of a Motor Vehicle

Radio frequency circuit, radio frequency module, and communication device

Power amplifier circuit

RF power amplifier with balun transformer

Radio frequency (RF) amplifier bias circuit

Delay-compensating power management integrated circuit

Low noise amplifier

Systems and methods for providing an envelope tracking power supply voltage

Systems and methods for providing an envelope tracking supply voltage

Systems and methods for providing an envelope tracking supply voltage

Systems and methods for providing an envelope tracking supply voltage

Systems and methods for providing an envelope tracking supply voltage

Delay-compensating power management circuit

Wideband RF choke

High linearity satellite payload using solid state power amplifiers

Power amplifier

Multi-frequency band communication based on filter sharing

Wilkinson-type combiner and RF generator

Amplifier with integrated temperature sensor

Bi-directional single-ended transmission systems

Duplexer with impedance inverters

Millimeter wave transmitter design

Power amplifier, power amplifier system and operating method thereof

Matching circuit

Inverted Doherty power amplifier with large RF fractional and instantaneous bandwidths

Radio-frequency power generator and control method

Electronic device and method for processing harmonic signal