RADIO FREQUENCY POWER SUPPLY PROTECTION CIRCUIT AND WIRELESS COMMUNICATION DEVICE

CLASS D AMPLIFIER WITH CURRENT MODE CONTROL

SELF-OSCILLATING CLASS-D AMPLIFIER DEVICE

SYSTEMS AND METHODS FOR SENSOR BASELINE DETECTION AND COMPENSATION

METHODS AND APPARATUS TO REGULATE AN AMPLIFIER

Systems and Methods for Improved Neurophysiological Monitoring

Measuring Power for Amplifier Circuitry

Cascode Amplifier Bias Circuits

REDUCTION OF CLICK AND POP NOISE IN AN AMPLIFIER

OPTIMIZED CONTROL CIRCUIT FOR A MICROELECTROMECHANICAL SOUND GENERATOR AND A SOUND GENERATION SYSTEM

DEVICES AND METHODS FOR DETECTING A SATURATION CONDITION OF A POWER AMPLIFIER

Radio-frequency Amplifier with Reliability Protection

PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, MOVING BODY, SEMICONDUCTOR SUBSTRATE, AND METHOD FOR DRIVING PHOTOELECTRIC CONVERSION APPARATUS

TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION

ELECTRONIC COMPARATOR CIRCUIT

AUTOMOTIVE INTEGRATED CIRCUIT

Power Amplifier Power Supply Circuit and Communication Apparatus

CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER

Combined Class D Amplifier and Buck Regulator

Cascode amplifier bias circuits

PRINTING DEVICE

Cascode amplifier bias circuits

Devices and methods for detecting a saturation condition of a power amplifier

POWER AMPLIFIER CIRCUIT

CASCODE AMPLIFIER CIRCUIT

Class D amplifier driving circuit

Audio signal modulation and amplification circuit

RADIO FREQUENCY POWER AMPLIFIER

RADIO-FREQUENCY CIRCUIT AND COMMUNICATION DEVICE

RADIO-FREQUENCY CIRCUIT AND COMMUNICATION DEVICE

Switched-capacitor amplifier and pipelined analog-to-digital converter comprising the same

Cascode amplifier bias circuits

Amplifier circuitry

Amplifier circuitry

Method for controlling a driver circuit, driver circuit, system comprising a driver circuit and method for manufacturing an integrated circuit

Amplifier with a controllable pull-down capability for a memory device

Amplification systems and methods with one or more channels

Photoelectric conversion apparatus, photoelectric conversion system, moving body, semiconductor substrate, and method for driving photoelectric conversion apparatus

Integrated circuit with an input multiplexer system

Audio circuit, electronic device and vehicle audio system with the audio circuit

Lower-skew receiver circuit with RF immunity for controller area network (CAN)

Devices and methods for detecting a saturation condition of a power amplifier

Temperature compensation circuit for power amplifier

Modulator circuit, corresponding device and method

Reference precharge system

Linear amplifier

Circuit employing MOSFETs and corresponding method

Dynamically controlled auto-ranging current sense circuit

Deglitching circuit and method in a class-D amplifier

Amplifier circuitry

Compact three-way Doherty amplifier module

High dynamic device for integrating an electric current

Envelope tracking supply modulator for power amplifier

Cascode amplifier bias circuits

Amplifier with an at least second order filter in the control loop

Lower-skew receiver circuit with RF immunity for controller area network (CAN)

Reducing supply to ground current

Amplifier with a compensator with a network of at least third order

Deglitching circuit and method in class-D amplifier

Circuit employing MOSFETs and corresponding method

Circuits and operating methods thereof for monitoring and protecting a device

Crest factor reduction in power amplifier circuits

Devices and methods for detecting a saturation condition of a power amplifier

Automatic gain control for passive optical network

Process and temperature insensitive linear circuit

Crest factor reduction in power amplifier circuits

Signal level detection and overrange signal limiter and clamp for electronic circuits

Method for biasing outputs of a folded cascode stage in a comparator and corresponding comparator

Power envelope tracker and adjustable strength DC-DC converter

Driver circuit for analyzing and controlling a piezoelectric component, button providing haptic feedback, and operating method

Amplification systems and methods with one or more channels

Signal level detection and overrange signal limiter and clamp for electronic circuits

Reducing supply to ground current

Electronic amplification device, measurement apparatus and associated measurement method

Cascode amplifier bias circuits

Low-radiation interference, high-efficiency, high-linearity, and high-robustness power tube driver of class-D audio amplifier

Process and temperature insensitive linear circuit

High precision current sensing using sense amplifier with digital AZ offset compensation

Voltage range extension for difference amplifier

Power amplifier and protection circuit for use in RF active circuit

Class D audio amplifier with overload protection circuit

Apparatus and methods for multi-supply voltage power amplifiers

Amplifier error current based on multiple integrators

Current sensing in a USB power control analog subsystem

Power amplifying apparatus with boost function

Power envelope tracker and adjustable strength DC-DC converter

High-efficiency amplifying device and method for controlling power supply thereof

Dual hysteretic control loop of envelope tracking

Automatic bias controller for a pulsed power amplifier

Regenerative current detection circuit, charge current detection circuit, and motor current detection system

Audio power circuit and method

Regulation of an RF amplifier

AN ULTRA-LOW-POWER AND LOW-NOISE AMPLIFIER

Systems and methods providing loadline modulation of a power amplifier

Adaptation of dynamic range enhancement based on noise floor of signal

Comparator having a high-speed amplifier and a low-noise amplifier

Cascode amplifier bias circuits

Switching power supply for RF power amplifiers

PWM modulator

Multi-data rate, burst-mode transimpedance amplifier (TIA) circuit

Embedded speaker protection for automotive audio power amplifier

Method of amplifying an input signal

Circuits and operating methods thereof for monitoring and protecting a device

CIRCUITS AND OPERATING METHODS THEREOF FOR MONITORING AND PROTECTING A DEVICE

Amplifiers operating in envelope tracking mode or non-envelope tracking mode

System and method for close-down pop reduction

Systems and methods for predictive switching in audio amplifiers

Methods, modules and devices for detecting a saturation condition of a power amplifier

BTL OUTPUT SELF-OSCILLATING CLASS D AMPLIFIER

Self-oscillating class D amplifier

Power supply circuit and image forming apparatus

Power amplifier with input power protection circuits

Audio amplifiers

DYNAMIC DEAD TIME MANAGEMENT

Class D switching amplifier and method of controlling a loudspeaker

Multistage amplifier circuit with improved settling time

Power amplifier system and associated control circuit and control method

Variable switched DC-to-DC voltage converter

Power amplifier circuit

Class-D amplifier, audio processing apparatus and method of driving class-D amplifier

Amplifier system, controller of main amplifier and associated control method

Bias control for stacked transistor configuration

Amplifier circuit, pipeline ADC, and wireless communication device

Method and apparatus for maintaining DC bias

Apparatus and methods for multi-supply voltage power amplifiers

Class AB amplifier with bias control

Embedded speaker protection for automotive audio power amplifier

Reduced crosstalk class D audio amplifier matching output power based on channel gain

Reduced crosstalk and matched output power audio amplifier using a triangle wave generator

Method for delivering a duty cycle limited signal to a speaker using a class D amplifier

Reduced crosstalk and matched output power class D audio amplifier with oppositely polarized triangle waves

Automatically calibrating operational amplifier (op-amp) systems for mitigating effects of offset voltages

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

Adaptive self-bias

Compression control of cascode power amplifiers

RF amplifier

Class D amplifier chip with duty ratio limiting functions and the device thereof

Amplification circuit and method of compensating for voltage offset of inputs

Output control circuit

Envelope tracking power converter

Electronic control apparatus

Circuits for low noise amplifiers with interferer reflecting loops

Variable gain amplifier circuit, controller of main amplifier and associated control method

Power amplifier

Amplification systems and methods with one or more channels

Circuits for low noise amplifiers

Apparatus and methods for chopping ripple reduction in amplifiers

Differential amplifier

Embedded speaker protection for automotive audio power amplifier

Transimpedance circuit

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

Power amplification device and method

Control systems and methods for power amplifiers operating in envelope tracking mode

Forwarded clock jitter reduction

Wireless apparatus and method for controlling voltage supplied to amplifier unit

Power amplification device and control method of power amplification device

Compression control through amplitude adjustment of a radio frequency input signal

Compression control through power amplifier load adjustment

Amplifiers operating in envelope tracking mode or non-envelope tracking mode

Optimization methods for amplifier with variable supply power

Amplifier dynamic bias adjustment for envelope tracking

Amplifier dynamic bias adjustment for envelope tracking

Advanced current limit function for audio amplifier

Single-end amplifier and noise cancelling method thereof

Light receiving circuit and light coupling device

Class D amplifier and electronic devices including the same

Method and apparatus for supplying power to a radio frequency power amplifier

Startup circuit, capacitive sensor amplification device having startup circuit, and startup method for amplification device

Power amplification module

Constant output amplifier

Apparatus and methods for overdrive protection of radio frequency amplifiers

Envelope tracking with low frequency loss correction

Power amplifier

Auto correction driving device and wireless charger driving system using the same

Multistage amplifier circuit with improved settling time

Audio driver system and method

Amplifier circuit with improved accuracy

Embedded speaker protection for automotive audio power amplifier

Power amplifiers, systems, and methods

Bias control for stacked transistor configuration

PPA linearization

Amplification device and amplification method

Analog feedback amplifier

Amplification systems and methods with one or more channels

Offset correction apparatus for differential amplifier and method thereof

Circuits and methods for power amplification with extended high efficiency

Output circuit, data driver and display device

Sensor signal output circuit and method for adjusting it

Read-out for MEMS capacitive transducers

Digital pre-distortion transmitter and method for controlling the same

Power amplifier architectures with input power protection circuits

Method and apparatus for transitioning a device between operating states to control power consumed by the device

Semiconductor integrated circuit device and high-frequency power amplifier module

Digital class-D amplifier and digital signal processing method

Bias circuit and amplifier

Bias circuit and amplifier controlling bias voltage

Amplifier and signal processing device

Control systems and methods for power amplifiers operating in envelope tracking mode

Amplifier dynamic bias adjustment for envelope tracking

Amplifiers operating in envelope tracking mode or non-envelope tracking mode

Optimization methods for amplifier with variable supply power

Systems and methods for maintaining power amplifier performance

Switching power supply device and a semiconductor integrated circuit

Output impedance compensation of a pseudo-envelope follower power management system

Pseudo-envelope following feedback delay compensation

System and method for generating a regulated boosted voltage using a controlled variable number of charge pump circuits

Apparatus for powering a device

Power loop control based envelope tracking

Output impedance compensation of a pseudo-envelope follower power management system

System and method for a cascoded amplifier

DC-coupled peak detector

Method for compensating signal distortions in composite amplifiers

RF transmitter and method of operation

Power amplifier with an adaptive bias

Utilizing a sense amplifier to select a suitable circuit

High-frequency amplifier, and high-frequency module and wireless transceiver using same

Switched mode power supply with a bypass path for shunting current

Body biasing device and operational amplifier thereof

Squelch detection method and circuit using rectifying circuit for detecting out-of-band signal

Squelch detection method and circuit using dual rectifying circuit for detecting out-of-band signal

Apparatus and method for calibration of supply modulation in transmitter

Output circuit, data driver, and display device

Solid-state imaging apparatus

Power-indexed look-up table design of digital pre-distortion for power amplifiers with dynamic nonlinearities

Differential amplifier

Transimpedance amplifier, semiconductor device, and optical module to include an adding circuit for adding first and second current variation

Dual-mode comparator and analog to digital converter having the same

Read out integrated circuit

DIFFERENTIAL AMPLIFIER AND COMPARATOR

Switching power supply device and a semiconductor integrated circuit

Low noise amplifier protection using a clamping device

Pseudo-envelope follower power management system with high frequency ripple current compensation

Power supply control circuit

Efficiency optimizer of an audio power amplifier for car radio

Adaptive RF saturation detection in a wireless device implementing multiple wireless protocols

Variable switched DC-to-DC voltage converter

Switching power supply device and a semiconductor integrated circuit

SENSOR CONTROL CIRCUIT AND SENSOR SYSTEM

RF power amplifier circuit with mismatch tolerance

Transmitter and power supply control module

Apparatus and method for amplification with high front-end gain in the presence of large DC offsets

Apparatus and methods for biasing a power amplifier

Microphone amplifier

Power amplifying apparatus

Low-noise amplifier

Sensor device

Fast power up comparator

Voltage detection circuit

Power consumption control circuit, amplifier circuit and power consumption control method

Power amplification systems and methods

Switching power supply device and a semiconductor integrated circuit

High-frequency differential amplifier circuit

Current DAC

LOW DROPOUT CURRENT SOURCE

Amplitude error de-glitching circuit and method of operating

Current control circuit, class AB operational amplifier system and current control method

Distortion compensation

Amplifier with wide gain range

Audio driver system and method

Push-pull linear hybrid class H amplifier

Multiple-input comparator and power converter

Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus

SWITCHED-CAPACITOR AMPLIFIER AND ANALOG FRONT-END CIRCUIT

RF power amplifier circuit with mismatch tolerance

Apparatus and method for current sensing using a wire bond

Protection circuit for radio frequency power amplifier

Current source arrangement, circuit arrangement with the current source arrangement and method for operating such an arrangement

High frequency amplifier, wireless device, and control method

COMPARISON APPARATUS AND SPEED-UP METHOD FOR COMPARATOR

Power amplifier and semiconductor integrated circuit

Amplification control circuit

Power supply circuit including voltage regulator and headphone driving circuit employing the same

Power control system and power amplification system using the same

Power amplifier controller circuit

High voltage regulated power supply

Amplification apparatus

RF power amplifier controller circuit including calibrated phase control loop

Method and apparatus for cancellation of transient voltage spike

Switching power supply device and semiconductor integrated circuit

Self-oscillating audio amplifier and method for restraining the improved self-oscillating audio amplifier

Method and control circuit for controlling pulse width modulation

OVERCURRENT DETECTION CIRCUIT AND SIGNAL AMPLIFYING DEVICE

Self oscillating class D amplification device

Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same

Amplifier circuit

Modulated Triangular Wave Amplifier

Protection circuit for power amplifier

RF power amplifier system with impedance modulation

Electronic volume circuit

Integrated circuit comparator or amplifier

RF power amplifier apparatus and power supply circuit for controlling power-supply voltage to RF power amplifier

Amplifying circuit, semiconductor integrated circuit, wireless transmission system, and communication apparatus

Signal processing circuit with improved linearity

Drive circuit to adjust a luminance of a light emitting element based on a PWM signal, and a portable information terminal including the drive circuit

RF TRANSMITTER AND METHOD OF OPERATION

Differential chopper comparator and A/D converter including the same

High speed linear differential amplifier

Phase correction apparatus and phase correction method

Amplifier compression adjustment circuit

Circuit and method for reducing popping sound