HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIATION IN AN ACOUSTICAL SIGNAL CAUSED BY VARIATION IN GAIN OF AN AMPLIFIER

MULTI-AMPLIFIER ENVELOPE TRACKING APPARATUS

Source Switched Split LNA

AUDIO AMPLIFIER ASSEMBLIES, PROCESSES, AND METHODS

Hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier

METHODS AND DEVICES FOR INCREASED EFFICIENCY IN LINEAR POWER AMPLIFIER

Multi-amplifier envelope tracking apparatus

Amplifier

Audio amplifier assemblies, processes, and methods

Radio frequency power amplifier

Hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier

Source switched split LNA

Apparatus and methods for power amplifiers with positive envelope feedback

Distributed feed-forward envelope tracking system

Power amplifier

Industrial control module providing universal I/O

Hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier

Source switched split LNA

Amplifier

Amplifier

Implantable cardioverter defibrillators using high power amplifiers with impedance tracking lowpass filters

Integrative software radio

Low complexity non-linear modelling techniques for wireless technologies

Envelope tracking amplifier circuit

Apparatus and methods for power amplifiers with positive envelope feedback

Distributed feed-forward envelope tracking system

Envelope tracking amplifier apparatus

Control of switches in a variable impedance element

SYMBOL POWER TRACKING AMPLIFICATION SYSTEM AND A WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME

Industrial control module providing universal I/O

Audio amplifier assemblies, processes, and methods

Audio system including speakers with integrated amplifier and method of detecting speakers

Power amplifier

Amplifier arrangement

Boost control signal generator

METHODS OF ADJUSTING BAND-BASED AMPLIFIER LINEARITY

Amplifier flicker noise and offset mitigating systems and methods

CONVERGED TRANSMITTER ARCHITECTURE WITH REDUCED POWER CONSUMPTION

Amplifier, audio device and control method

System, apparatus and method for achieving scanning safety for a magnetic resonance conditionally safe implant

Feed-forward envelope tracking

Capacitive loading mode measurement circuit with compensation of measurement errors due to parasitic sensor impedances

Reducing audio artifacts in an amplifier during changes in power states

Communications device with receiver chain of reduced size

Control of switches in a variable impedance element

Apparatus and methods for power amplifiers with positive envelope feedback

Multi-path power amplifier

Preamplifier for musical instruments

Source switched split LNA

Segmented digital predistortion apparatus and methods

Remote radio head unit system with wideband power amplifier

Semiconductor device

Fully integrated low-noise amplifier

Integrative software radio

Amplifier

Embedded speaker protection for automotive audio power amplifier

Selectable programmable gain or operational amplifier

Systems and methods for predictive switching in audio amplifiers

AMPLIFICATION DEVICE

Audio signal amplification device, power supply device, and power supply control method

Method for performing communication and electronic device supporting same

Low noise amplifier circuit

Amplifier with base current reuse

Band-based amplifier linearity adjustment

Programmably configured switchmode audio amplifier

Class AB amplifier with bias control

Embedded speaker protection for automotive audio power amplifier

Semiconductor apparatus and receiver thereof

Adaptive self-bias

Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator

Variation calibration for envelope tracking on chip

Arrangement and method for radio-frequency (RF) high power generation for compensating a failed power amplifier module

Apparatus and methods for power amplifier output matching

Embedded speaker protection for automotive audio power amplifier

Switching regulator power supply with constant current option

Power amplifiers coupled in series

Apparatus and method for controlling power in a communication system

Speaker protection circuit with improved accuracy

Method and apparatus for power management

Balanced Doherty power amplifier circuit and radio transmitter

Group aware current-limited amplifier and system

Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator

Reflective vector modulators

Circuits and methods for reducing supply sensitivity in a power amplifier

Selectable programmable gain or operational amplifier

Power amplifying apparatus and power amplifying method

Amplifier with base current reuse

Radio frequency adaptive voltage shaping power amplifier systems and methods

Switching circuit

Apparatus and methods for overdrive protection of radio frequency amplifiers

Amplifier control systems and methods

Remote radio head unit system with wideband power amplifier

Broadband power amplifier having high efficiency

Apparatus and methods for power amplifier output matching

Vehicle audio system and noise removal method thereof

Embedded speaker protection for automotive audio power amplifier

Envelope tracking system for MIMO

Programmable Vacuum Tube Bias Control

Amplifier arrangement with limiting module

Broadband single-ended input to differential output low-noise amplifier

System linearization assembly and method for use in modifying distortion components

Distortion compensation apparatus, wireless communication system, and distortion compensation method

Digital calibration of programmable gain amplifiers

RFID positioning and tracking apparatus and methods

Radio frequency transmitter with extended power range and related radio frequency transmission method

Envelope tracking system for MIMO

Boost-on-demand amplifier

Programmably configured switchmode audio amplifier

Systems and methods to adjust the matching conditions of an amplifier

Integrated start-up bias boost for dynamic error vector magnitude enhancement

Method and apparatus for predicting signal characteristics for a nonlinear power amplifier

Forward link signaling within a wireless power system

Apparatus and method for extending bandwidth and suppressing phase errors in multi-phase signals

Linearization of power amplifiers through digital in-band predistortion followed by analog predistortion

Distortion compensation apparatus and distortion compensation method

Method for compensating signal distortions in composite amplifiers

Integrated start-up bias boost for dynamic error vector magnitude enhancement

Integrated start-up bias boost for dynamic error vector magnitude enhancement

Transmitter with adaptive back-off

Power amplifiers with improved power control

Circuitry for reducing power consumption

Low voltage operation for a power amplifier

Mobile wireless communications device with impedance matching and related methods

Method and system for a linearized transmitter including a power amplifier

Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance

Broadband amplifier system using a 3dB quadrature combiner to dynamically modulate load impedance

Radio frequency amplifier noise reduction system

Linearization of power amplifiers through digital in-band predistortion followed by analog predistortion

Modulator and an amplifier using the same

Modulator and an amplifier using the same

Envelope tracking system for MIMO

Sound output device using vacuum tube, audio apparatus and method for sound output thereof

Method and system for minimizing power consumption in a communication system

Power amplifiers with improved efficiency over power control

Power control for linear and class AB power amplifiers

Amplifier performance stabilization through preparatory phase

Apparatus and method of digital predistortion for power amplifiers with dynamic nonlinearities

Digital output power measurement in radio communication systems

Radio frequency power delivery system

Amplifying device and signal processing device

Amplitude/phase delay calibration for envelope-tracking amplifier

Auto Bias

Amplifying unit, power amplifier and transmitter

Reduced power-consumption transmitters

Joint adaptive bias point adjustment and digital pre-distortion for power amplifier

Adaptive average power tracking

Audio signal amplifying circuit

Composite amplifier, transmitter, and composite amplifier control method

Fast power up comparator

Gated class H amplifier/line driver system and method

Power amplifier, power amplification method, and storage medium

Amplifying circuit

Method and system for minimizing power consumption in a communication system

Power amplifier linearization method and apparatus

Model based distortion reduction for power amplifiers

Radio apparatus having first and second amplifiers and which performs direct current offset correction of the first and second amplifiers

Distortion compensation

Method for adjusting the maximum output power of a valve power amplifier stage for an audio amplifier, and corresponding valve power amplifier stage

System and method for sensing an amplifier load current

Amplification apparatus

Linearized transmitter including a power amplifier

System and method for biasing active devices

Method and apparatus for biasing an amplifier

Forward link signaling within a wireless power system

TRANSMISSION APPARATUS AND ADJUSTMENT VALUE MEASUREMENT METHOD

AUDIO OUTPUT DEVICES

SIGNAL CONDITIONER WITH SUPPRESSION OF INTERFERING SIGNALS

Method and system for amplifier control

Method and apparatus for biasing an amplifier

Polar transmitter amplifier with variable output power

Type of High-Performance DC Amplification Device for Bioelectrical Signal Collection

Amplifier circuit, electronic device, method for configuring an amplifier circuit

Method and apparatus for transmission of energy and data

ADAPTIVE DIGITAL PREDISTORTION OF COMPLEX MODULATED WAVEFORM USING LOCALIZED PEAK FEEDBACK FROM THE OUTPUT OF A POWER AMPLIFIER

Amplifying circuit, AC signal amplifying circuit and input bias adjusting method

AMPLIFIER PRE-DISTORTION SYSTEMS AND METHODS

Apparatus for sensorless positioning with signal amplifier

Modular solid-state millimeter wave (MMW) RF power source

Methods and systems for stabilizing an amplifier

Wireless transmitter calibration using device receiver

Model based distortion reduction for power amplifiers

Operational amplifier circuit and arc fault circuit interrupter including the same

Method and system for improving efficiency over power control for linear and class AB power amplifiers

Correcting distortions at output of power amplifier

Data processing system for clipping correction

DYNAMICALLY BIASING CLASS AB POWER AMPLIFIERS OVER A RANGE OF OUTPUT POWER LEVELS

Transmission circuit, transmission method, and use

Distortion compensation amplification device and correction method

Variable passive components with high resolution value selection and control

Method for compensating signal distortions in composite amplifiers

Systems and methods for measuring non-linear characteristics of a power amplifier

System and method for self-cancellation of N-order intermodulation products

Power amplifier predistortion methods and apparatus using envelope and phase detector

Mobile transmitter and transmitting method thereof

Class D amplifier with increased efficiency

Model based distortion reduction for power amplifiers

Apparatus and Method for Reducing Interference

Linear RF amplifier with polar feedback

Communication method for vacuum tube replacement devices

Amplifier pre-distortion systems and methods

Amplifier with level shifting feedback network

Method and system for improving efficiency over power control for linear and class AB power amplifiers

Variable passive components with high resolution value selection and control

RADIO FREQUENCY POWER DELIVERY SYSTEM

Phase and power calibration in active antennas

Method and system for a linearized transmitter including a power amplifier

System and method for computing parameters for a digital predistorter

System and method for digitally correcting a non-linear element using a multiply partitioned architecture for predistortion

Apparatus and method providing non-linear adaptive signal tracking

Class-D driving method for stereo load

Hybrid Doherty Amplifier System and Method

Fuzzy logic control of an RF power amplifier for automatic self-tuning

Apparatus for and method of biasing a transistor

Adaptive self-linearization

Method and system for minimizing power consumption in a communication system

Method And Apparatus For Improving Efficiency Of RF Power Amplifier Using A Power Converter With An Exponential Transfer Function

Offset-frequency loop-back calibration

Audio control method and audio processing system

Input offset voltage corrector

Transmitter power amplifier working at different power supplies

Power supply apparatus, amplifier apparatus, radio apparatus and reproducing apparatus

Method and apparatus for providing adaptive supply voltage control of a power amplifier

Polar transmitter amplifier with variable output power

Offset adjusting apparatus

Output stacking architecture for an amplifier

Expanded performance and functions for vacuum tube replacement devices

Apparatus and method for controlling temperature of electronic apparatus

Distortion compensating apparatus and method

Reduced distortion amplifier

Apparatus for and method of biasing a transistor

Distortion compensating apparatus and method

Operational amplifier

Variable passive components with high resolution value selection and control

Cartesian loop transmitter and method of adjusting an output level of such transmitter

Digital transmitters for wireless communication

Distortion compensation

Method and system for equalization of a replacement load

System and method for compensating for the effects of aging and temperature on transistor performance

Technique for determining a load current

Indicators for vacuum tube replacement devices

Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop

Update system for an audio amplifier

Noise sensitive volume control device, audio device and noise sensitive volume control method

Distortion compensation apparatus

Method and system for equalization of a replacement load

Method and apparatus for maintaining constant linearity for a power amplifier over varying load conditions

Light receiving device for optical communication system

Power amplifier linearization methods and apparatus using predistortion in the frequency domain

Apparatus and method for reducing interference

Techniques to adjust vertical offset

Model based distortion reduction for power amplifiers

Gate control circuit with soft start/stop function

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

Feed-forward power amplifier with offline tuning capability