METHODS AND APPARATUS TO GENERATE A MODULATION PROTOCOL TO OUTPUT AUDIO

AMPLIFIER CIRCUIT

AMPLIFIER CIRCUIT AND METHOD OF GENERATING AN AMPLIFIED SIGNAL

ENERGY-EFFICIENT HYBRID AMPLIFIER ARCHITECTURE

DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE

CLIPPING PREVENTION IN SWITCHED MODE DRIVERS

RADIO-FREQUENCY POWER GENERATOR AND CONTROL METHOD

ELECTROMAGNETIC INDUCTION HEATING APPARATUS FOR HEATING AN AEROSOL-FORMING ARTICLE OF AN ELECTRONIC CIGARETTE AND DRIVING METHOD THEREOF

Generation And Synchronization Of Pulse-Width Modulated (PWM) Waveforms For Radio-Frequency (RF) Applications

Electrical converter and method for operating an electrical converter

ELECTROMAGNETIC INDUCTION HEATING APPARATUS FOR HEATING AN AEROSOL-FORMING ARTICLE OF AN ELECTRONIC CIGARETTE AND DRIVING METHOD THEREOF

Current sensing circuit with integrated resistor and switch matrix

VARIABLE GAIN LOW NOISE AMPLIFIER AND METHOD FOR CONTROLLING GAIN OF VARIABLE GAIN LOW NOISE AMPLIFIER

Splice-point determined zero-crossing management in audio amplifiers

Electronic device and electroacoustic conversion apparatus

Radio-frequency power generator and control method

Audio amplifier with duty ratio control

Audio signal modulation and amplification circuit

SEMICONDUCTOR INTEGRATED CIRCUIT AND RADIO-FREQUENCY MODULE

Switchable amplifier

Methods and apparatus to generate a modulation protocol to output audio

POWER SPECTRAL SHAPING FOR IN-BAND EMISSION CONTROL

CLASS-D AMPLIFYING SYSTEM AND POWER CONVERTER CIRCUIT THEREOF

Zero-crossing management in Class-D audio amplifiers

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

High gain resonant amplifier for resistive output impedance

Modulator circuit, corresponding device and method

Signal receiver and operation method thereof

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

Transformer-based antenna switching network

Multiphase buck-boost amplifier

Multi quantized digitally controlled power supply voltage for multi amplifier stages

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

Tracking and correcting gain of open-loop driver in a multi-path processing system

SWITCHING POWER CONVERTER SYSTEM

Tracking and correcting gain of open-loop driver in a multi-path processing system

Class D amplifier current feedback

Class D amplifier stereo to mono converter

Class-D amplifier and method

Multimode envelope tracking circuit and related apparatus

Power amplifier circuit

Bias circuit and power amplifier for improving linearity

Optimizing power efficiency of a power amplifier circuit to reduce power consumption in a remote unit in a wireless distribution system (WDS)

Power amplifier, radio remote unit, and base station

Multiphase buck-boost amplifier

Increased audio power output amplifier configuration including fault tolerance suitable for use in alarm systems

Tracking and correcting gain of open-loop driver in a multi-path processing system

Power amplifier

Multi-level class D audio power amplifiers

Dual device semiconductor structures with shared drain

Semiconductor device

Switched-capacitor power amplifiers

Magnetic resonance imaging gradient driver systems and methods

Digital audio converter and amplifier controller

Switching amplifiers and power converters

High gain resonant amplifier for resistive output impedance

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

Transmission amplifier for amplifying a signal in a wire-free transmission system

Three-input continuous-time amplifier and equalizer for multi-level signaling

Optimizing power efficiency of a power amplifier circuit to reduce power consumption in a remote unit in a wireless distribution system (WDS)

Multi-standard transmitter architecture with digital upconvert stage and gallium nitride (GAN) amplifier circuit

Switching in an audio system with multiple playback paths

High efficiency wide bandwidth power amplifier

Analog-to-digital converters and methods

Radio frequency system switching power amplifier systems and methods

Methods and devices for ramping a switched capacitor power amplifier

Multi-level class D audio power amplifiers

Amplification circuit

Amplifier circuit for a parametric transducer and a related audio device

Switching amplifier and method for estimating remaining lifetime of a switching amplifier

Digital signal up-converting apparatus and related digital signal up-converting method

Dual device semiconductor structures with shared drain

Power stage with switched mode amplifier and linear amplifier

Digitally controlled two-points edge interpolator

Programmably configured switchmode audio amplifier

Audio amplifier circuit having inputs for three audio channels

Switch control method, switch control circuit, regulator and storage medium

Amplifier for modulating the amplitude of an RF signal

Switching circuit

Digital signal up-converting apparatus and related digital signal up-converting method

Audio amplifier circuit, audio output device using the same, and electronic device using the same

Radio frequency system hybrid power amplifier systems and methods

Power supply circuit, high-frequency power amplification circuit, and power supply control method

Amplifier

Multiphase pulse width modulator for class D audio amplifiers

Class-D amplifiers and methods

System and method for linearizing power amplifiers

Power stage with switched mode amplifier and linear amplifier

High-frequency generator

Power amplifying apparatus and power amplifying method

Power-efficient chopper amplifier

Broadband power amplifier having high efficiency

Driver amplifier systems and methods of their operation

Differential output stage of an amplification device, for driving a load

Switched mode amplifier with single-ended buck mode

Switched mode converter with low-voltage turn-around mode

System with multiple signal loops and switched mode converter

Switched mode converter with low-voltage linear mode

Class-D amplifier having mixed signal feedback control

High-frequency drain power supply to decrease power dissipation in class-AB power amplifiers

Power amplification apparatus and control method

Power amplification device and transmitter

Transmitter, signal-synthesizing circuit, and signal-synthesizing method

Buck-boost converter for an audio amplifier with multiple operations modes

Controlling the common mode voltage of a non-isolated buck-boost converter

Differential output mode for a multi-mode power converter

Amplifier arrangement comprising a master amplifier and at least one slave amplifier

Quadrature modulator

Power amplifier and transmission device

Integrated power supply and modulator for radio frequency power amplifiers

Multiple-state, switch-mode power amplifier systems and methods of their operation

Multiple-state, switch-mode power amplifier systems and methods of their operation

Circuit for suppressing audio output noise and audio output circuit

Switched power converter

ENVELOPE TRACKING POWER TRANSMITTER USING COMMON-GATE VOLTAGE MODULATION LINEARIZER

Integrated power supply and modulator for radio frequency power amplifiers

Amplification systems and methods with one or more channels

Pulse width modulation circuit and voltage-feedback class-D amplifier circuit

High-voltage voltage-switched class-S amplifier

Versatile audio power amplifier

Adaptive boost supply with slope control

Power amplifier

Amplifier device and method for activating an amplifier device or the amplifier unit

Transmit power measurement apparatus having programmable filter device that is set at least based on frequency response of transmit power detection path and related transmit power measurement method thereof

Digital signal up-converting apparatus and related digital signal up-converting method

Data converting device, digital transmitting apparatus using the data converting device, and related data converting method

Digital transmitter and method for compensating mismatch in digital transmitter

Digital transmitter and method for calibrating digital transmitter

Signal converting device and digital transmitting apparatus applying the signal converting device

Transmitter system with digital phase rotator used for applying digital phase rotation to constellation data and related signal transmission method thereof

Switching power amplifier and method for controlling the switching power amplifier

Reconfigurable circuit block supporting different interconnection configurations for rate-conversion circuit and processing circuit and related method thereof

Method and circuit for driving a switch-mode amplifier array

Versatile audio power amplifier

Radio-frequency power amplifier

Class resonant-H electrosurgical generators

RF signal generating circuit, and transmitter

Programmably configured switchmode audio amplifier

Class resonant-H electrosurgical generators

Versatile audio power amplifier

AMPLIFIER CIRCUITS AND MODULATION SIGNAL GENERATING CIRCUITS THEREIN

Class D amplifiers

Audio amplifier using multi-level pulse width modulation

Digitally-controlled power amplifier with bandpass filtering/transient waveform control and related digitally-controlled power amplifier cell

Transmitter employing pulling mitigation mechanism and related method thereof

Multi-stage digitally-controlled power amplifier

Apparatus and method for interleaving switching in power amplifier

Gradient coil power supply and a magnetic resonance imaging system

System and method for generating a radio frequency pulse-width modulated signal

Switching circuit and envelope signal amplifier

Self oscillating modulator

High-frequency supply of a load without impedance matching

Versatile audio power amplifier

Fast power up comparator

Amplifier and amplifier control method

Pulse width modulation circuit and voltage-feedback class-D amplifier circuit

Power amplifier with transistor input mismatching

RF amplifier with digital filter for polar transmitter

Amplifier

High efficiency balanced output amplifier system

Versatile audio power amplifier

Class resonant-H electrosurgical generators

Pulse width modulation circuit and voltage-feedback class-D amplifier circuit

Multi-bit class-D power amplifier system

Amplifying apparatus, method of output control and control program

Digital amplifier

Power amplifier

Power supply providing ultrafast modulation of output voltage

Class-D amplifier and method therefor

Subranging for a pulse position and pulse width modulation based transmitter

AUDIO SIGNAL AMPLIFYING CIRCUIT AND ELECTRONIC DEVICE USING THE SAME

Multibit digital amplifier for radio-frequency transmission

Power amplification for parametric loudspeakers

Two-stage amplification using intermediate non-linear square wave

Class-D driving method for stereo load

Power control and modulation of switched-mode power amplifiers with one or more stages

Class ad audio amplifier

Prescaler and buffer

Power control and modulation of switched-mode power amplifiers with one or more stages

Method and apparatus for combining multiple signals for high efficiency applications

Power supply providing ultrafast modulation of output voltage

High-efficiency modulating RF amplifier

High-efficiency modulating RF amplifier

Power control and modulation of switched-mode power amplifiers with one or more stages

High-efficiency modulating RF amplifier

Current controlled pulse width modulation circuit and class-D amplifier comprising the same

High fidelity, high power switched amplifier

Segmented switching power amplifier

Power control and modulation of switched-mode power amplifiers with one or more stages

Signal amplifier

High-efficiency amplifier, converter and methods

Power amplifier

Compact pulsed power supplies

Calibration for amplifier with configurable final output stage

Switching in amplifier with configurable final output stage

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