219611 ⎘
Indexing scheme relating to amplifiers Pulse width modulation being used in an amplifying circuit
INTEGRATED CIRCUIT FOR CLASS-D AUDIO AMPLIFIER AND ASSOCIATED CONTROL METHOD
#2CIRCUIT FOR DETECTING SHORT CIRCUITS IN FULL-BRIDGE CLASS-D AMPLIFIERS AND CORRESPONDING METHOD
#3HYBRID DIFFERENTIAL AMPLIFIER AND METHOD THEREOF
#4Class-D amplifier
#5AMPLIFIER USING VARYING PULSE WIDTHS
#6Method For Signal Processing, Circuit For Signal Processing, Chip For Signal Processing, and Electronic Device
#7NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTER AMPLIFIER SYSTEM
#8VOLTAGE GENERATING CIRCUIT
#9SWITCHING AMPLIFIER CIRCUITRY
#10Low-EMI capacitively-coupled Class-D amplifiers with voltage boosting
#11AUDIO AMPLIFIER CIRCUIT FOR DRIVING A SPEAKER
#12AUDIO AMPLIFICATION SYSTEM AND METHOD THEREOF
#13CIRCUITS, DEVICES AND METHODS RELATED TO AUDIO AMPLIFIERS HAVING GAIN CALIBRATION
#14AMPLIFICATION DEVICE AND OPERATION METHOD THEREOF
#15AUTO-CALIBRATION DRIVING STRENGTH SYSTEM FOR CLASS-D AMPLIFIER
#16DELAY-LINE METHOD FOR SLEW RATE CONTROL FOR CLASS D DRIVER
#17PULSE WIDTH MODULATION SIGNAL DRIVER
#18CLASS-D AMPLIFIER DEVICE FOR HAPTIC APPLICATIONS
#19POWER-ON AND SHUT-DOWN POP REDUCTION IN AUDIO SYSTEMS
#20SIGNAL AMPLIFIER
#21HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIATION IN AN ACOUSTICAL SIGNAL CAUSED BY VARIATION IN GAIN OF AN AMPLIFIER
#22TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION
#23Semiconductor Device And Electronic Apparatus
#24SWITCHING DRIVERS WITH VOLTAGE MONITORING
#25AUDIO AMPLIFIER CIRCUIT
#26INTRA-SYMBOL VOLTAGE MODULATION IN A WIRELESS COMMUNICATION CIRCUIT
#27AUTOMOTIVE INTEGRATED CIRCUIT
#28CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER
#29DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE
#30Audio processing apparatus and method having noise reducing mechanism
#31AUDIO AMPLIFIER AND METHOD OF OPERATING THE SAME
#32DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS
#33SPEAKER ARRAY ADDRESSED BY ROW AND COLUMN SELECTION
#34Driving circuit for a switching transistor and a driving device including the same
#35CLASS-D AUDIO AMPLIFICATION CIRCUITRY AND ELECTRONIC DEVICE INCLUDING THE SAME
#36CLASS-D AMPLIFIER CIRCUIT
#37CLASS-D AMPLIFIER WITH NESTED FEEDBACK LOOPS
#38SWITCHING AMPLIFIER CIRCUITRY
#39SWITCHING CIRCUIT, CORRESPONDING DEVICE AND METHOD
#40NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTER AMPLIFIER SYSTEM
#41Calibration of pulse width modulation amplifier system
#42SOUND OUTPUT DEVICE
#43Class D power amplification modulation system for self-adaptive adjustment of audio signal, method, device, processor and storage medium
#44Hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier
#45Switching power supply, semiconductor integrated circuit device, and differential input circuit
#46Switching amplifier with adaptive supply-voltage scaling
#47Class-D Amplifier
#48Audio amplifier with duty ratio control
#49Audio signal modulation and amplification circuit
#50Audio amplifer with fast wake-up power supply
#51Gain calibration for audio amplifiers
#52Class-D amplifier for reducing audio distortion
#53CLASS D AMPLIFIER WITH STABILIZED PWM CONTROL LOOP
#54Switching audio amplifier with improved voltage supply control
#55PULSE-WIDTH MODULATION AUDIO AMPLIFIER HAVING COMPENSATED REGULATION LOOP
#56WINDOW CIRCUITS, DEVICES AND METHODS FOR AUDIO AMPLIFIERS
#57MULTI-LEVEL OUTPUT DRIVER WITH HIGH-VOLTAGE OUTPUT PROTECTION FOR AUDIO AMPLIFIERS
#58Switching amplifier system with feedback
#59Class-D amplifier with deadtime distortion compensation
#60Acoustic Apparatus
#61BD PWM modulation circuit for use in class D amplifier and modulation method thereof
#62CLASS-D AMPLIFYING SYSTEM AND POWER CONVERTER CIRCUIT THEREOF
#63Audio amplifier
#64Class D amplifier circuitry
#65Switching power supply, semiconductor integrated circuit device, and differential input circuit
#66CLASS-D AMPLIFIER, A METHOD OF CONTROLLING A GAIN OF AN INPUT AUDIO SIGNAL IN A CLASS-D AMPLIFIER
#67Increasing power efficiency in a digital feedback class D driver
#68CLASS-D AMPLIFIER, A METHOD OF GENERATING A CARRIER WAVE SIGNAL IN A CLASS-D AMPLIFIER
#69Amplification systems and methods with one or more channels
#70Compact audio power amplifier
#71Voltage converter and class-D amplifier
#72Common-mode leakage error calibration for current sensing in a Class-D stage using a pilot tone
#73Pulse width modulated amplifier
#74Clipping state detecting circuit and clipping state detecting method
#75Transconductance amplifier for buck-boost converter
#76Class-D amplifier with nested feedback loops
#77Class-D amplifier which can suppress differential mode power noise
#78Modulator circuit, corresponding device and method
#79Audio output device
#80Time encoding modulator circuitry
#81Common-mode leakage error calibration for current sensing in a class-D stage using a pilot tone
#82Hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier
#83Audio power source with improved efficiency
#84METHOD FOR GENERATING FULLY DIGITAL HIGH-RESOLUTION FEEDBACK PWM SIGNAL
#85Low pop-click noise class-D amplifier
#86Switching power supply, semiconductor integrated circuit device, and differential input circuit
#87HIGH-FREQUENCY AMPLIFIER
#88Envelope tracking supply modulator for power amplifier
#89PWM modulator having quantizer calibratable for multi-non-ideal gain-affecting characteristics
#90Distortion reducing variable output impedance class-D amplifier
#91Class-D amplifier with multiple power rails and quantizer that switches used ramp amplitude concurrently with switch in used power rail
#92Device and method for a wireless transmitter
#93Power amplifier and demodulator
#94Three level PWM class D amplifier
#95Amplifier switching control systems and methods
#96Integrated circuit and related audio amplifier
#97Amplification apparatus and transmission apparatus
#98Signal modulator
#99Digital-to-analog converter and amplifier for headphones
#100Hearing device comprising an amplifier system for minimizing variation in an acoustical signal caused by variation in gain of an amplifier
#101Amplification systems and methods with output regulation
#102Pulse-width modulation
#103Audio power source with improved efficiency
#104Implantable cardioverter defibrillators using high power amplifiers with impedance tracking lowpass filters
#105Chopped triangular wave PWM quantizer
#106PWM modulator having quantizer with controllable analog gain and calibratable for multi-non-ideal gain-affecting characteristics
#107Audio processing device and method for controlling audio processing device
#108Audio processing device and method for controlling audio processing device
#109Audible noise reduction in an audio power amplifier
#110Variable output resistance in a playback path with open-loop pulse-width modulation driver
#111Gain control in a class-D open-loop amplifier
#112Class-D dynamic closed loop feedback amplifier
#113Differential controller with regulators
#114Amplification systems and methods with one or more channels
#115Power amplifier, radio remote unit, and base station
#116DYNAMIC ERROR VECTOR MAGNITUDE DUTY CYCLE CORRECTION
#117Switching regulator
#118WIDE-BAND AMPLIFIERS USING CLIPPER CIRCUITS FOR REDUCED HARMONICS
#119Digital amplifier and output device
#120Quaternary/ternary modulation selecting circuit and associated method
#121Integrated circuit and related audio amplifier
#122Power amplifier
#123Class D amplifier
#124Audio power source with improved efficiency
#125Audio power source with improved efficiency
#126High-efficiency power amplifier system for wireless power transmitters
#127Class-D amplifier with duty cycle control
#128Low power dissipation high performance Class-D amplifier
#129Class-D amplifier with multiple independent output stages
#130Closed-loop digital compensation scheme
#131Driving apparatus for a light emitting device and method for the same
#132Circuit arrangement for an MRT system, MRT system and method for operating an MRT system
#133Methods and circuits to reduce pop noise in an audio device
#134Body-diode conduction detector for adaptive controlling of the power stage of power converters
#135Calibration of a dual-path pulse width modulation system
#136Pulse-width modulation
#137Digital audio converter and amplifier controller
#138Direct current mode digital-to-analog converter to class D amplifier
#139Class-D amplifier and audio playback apparatus
#140Digital amplifier
#141Class D audio amplifier with overload protection circuit
#142Amplifier circuit
#143Circuit for generating a plurality of reference voltages for controlling feedback within the circuit
#144Class-H switching amplifier circuit having supply voltage proportional to an audio signal
#145Class D audio amplifier with adjustable gate drive
#146Wide-band amplifiers using clipper circuits for reduced harmonics
#147Power amplifying apparatus with spurious signal reduction function
#148Signal amplifier
#149Amplifier, audio signal output method, and electronic device
#150Driver Interface Methods and Apparatus for Switch-Mode Power Converters, Switch-Mode Power Amplifiers, and Other Switch-Based Circuits
#151Digital PWM modulator
#152Driving apparatus for a light emitting device and method for the same
#153Method for load measurement in switching amplifiers, corresponding device and amplifier
#154Triangular-wave voltage generator and corresponding class-D amplifier circuit
#155Class D amplifier
#156Closed-loop digital compensation scheme
#157Gradient amplifier and drive circuit thereof
#158Automatic bias controller for a pulsed power amplifier
#159Regenerative current detection circuit, charge current detection circuit, and motor current detection system
#160Class-D amplifier with post filter feedback loop
#161Direct current mode digital-to-analog converter to class D amplifier
#162Multi-level class D amplifier
#163Amplifier with configurable final output stage
#164Dynamic error vector magnitude duty cycle correction
#165Amplifier with configurable final output stage
#166PWM modulator
#167Class-D amplifier circuit
#168Class-D amplifier circuits
#169Amplifier
#170Multi-mode envelope tracking amplifier circuit
#171Configurable control loop topology for a pulse width modulation amplifier
#172Direct current mode digital-to-analog converter to class D amplifier
#173High frequency common mode rejection technique for large dynamic common mode signals
#174Driver interface methods and apparatus for switch-mode power converters, switch-mode power amplifiers, and other switch-based circuits
#175Class D amplifier
#176Audio amplifier system
#177BTL OUTPUT SELF-OSCILLATING CLASS D AMPLIFIER
#178Self-oscillating class D amplifier
#179Audio signal amplification device, power supply device, and power supply control method
#180Estimating voltage on speaker terminals driven by a class-D amplifier
#181AMPLIFIER CONTROL APPARATUS
#182Dynamic volume management in audio amplifiers
#183DYNAMIC DEAD TIME MANAGEMENT
#184Circuit arrangement, gradient amplifier, and method for compensating for nonlinearities of an amplifier output stage
#185Class D switching amplifier and method of controlling a loudspeaker
#186Receiver circuit and system using the same
#187Electric power converter and power amplifier
#188Driving apparatus for a light emitting device and method for the same
#189Voltage-current converter, and corresponding device and method
#190Hybrid switched mode amplifier
#191Very high fidelity audio amplifier
#192Amplification systems and methods with output regulation
#193Envelope tracking modulator with feedback
#194Class E2 amplifier
#195Radio frequency generator and a method of generating radio frequency energy utilizing the radio frequency generator
#196Class-D amplifier, audio processing apparatus and method of driving class-D amplifier
#197Speaker driver
#198Methods and circuits to reduce pop noise in an audio device
#199Class-D amplifier with pulse-width modulation common-mode control and associated method for performing class-D amplification
#200Dead time circuit for a switching circuit and a switching amplifier
#201Reduced crosstalk class D audio amplifier matching output power based on channel gain
#202Reduced crosstalk and matched output power audio amplifier using a triangle wave generator
#203Method for delivering a duty cycle limited signal to a speaker using a class D amplifier
#204Reduced crosstalk and matched output power class D audio amplifier with oppositely polarized triangle waves
#205Class-D audio amplifier
#206Switch control method, switch control circuit, regulator and storage medium
#207Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator
#208Switching mode power amplifier with load isolation
#209Supply modulators with voltage and frequency partitioning
#210Dynamic error vector magnitude duty cycle correction
#211Outphasing transmitter systems and methods
#212Class-D amplifier circuits
#213Signal amplifying circuit with noise suppression function
#214Class D amplifier chip with duty ratio limiting functions and the device thereof
#215Average power tracking mode power amplifier using dual bias voltage levels
#216Bootstrap class-D wideband RF power amplifier
#217Envelope tracking power converter
#218Average current-mode feedback control of multi-channel class-D audio amplifier
#219Semiconductor integrated circuit
#220Amplification systems and methods with one or more channels
#221Apparatus for performing multi-loop power control in an electronic device with aid of analog compensation and duty cycle selection, and associated method
#222Audio signal amplification device
#223Zero drift, limitless and adjustable reference voltage generation
#224Open loop digital PWM envelope tracking system with dynamic boosting
#225Power supply rejection rate through noise cancellation in an audio amplifier loop
#226Class-D amplifier
#227Quaternary/ternary modulation selecting circuit and associated method
#228Amplification circuit adjusting duty cycle of output signal and receiver including the same
#229Power amplification device and method
#230Switching regulator power supply with constant current option
#231Wireless apparatus and method for controlling voltage supplied to amplifier unit
#232Circuits and methods for switched-mode operational amplifiers
#233Multiphase pulse width modulator for class D audio amplifiers
#234Current limiter
#235Method of generating a pulse width modulation (PWM) signal for an analog amplifier, and a related pulse width modulator
#236Power amplifiers coupled in series
#237Methods and circuits to reduce pop noise in an audio device
#238POWER MOSFETS WITH IMPROVED EFFICIENCY FOR MULTI-CHANNEL CLASS D AUDIO AMPLIFIERS AND PACKAGING THEREFOR
#239System and method for linearizing power amplifiers
#240PWM modulation device and sound signal output apparatus
#241Class D power driver peripheral
#242Amplifier control apparatus
#243Amplifier with adjustable ramp up/down gain for minimizing or eliminating pop noise
#244Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator
#245SWITCHING AMPLIFIER AND CONTROL METHOD THEREFOR
#246Power amplifying apparatus and power amplifying method
#247Resonant pre-driver for switching amplifier
#248Modulation method for switching modulator
#249Asymmetric H-bridge in a class D power amplifier
#250Radio-frequency high power amplifier with broadband envelope tracking by means of reversed buck converter
#251Class D switching amplifier and method of controlling a loudspeaker
#252Power amplifier
#253Capacitive current sensing using a current feedback amplifier
#254Edge correction to mitigate total harmonic distortion in class D amplifier
#255Audio switching amplifier
#256Trans-conductance regulation circuit, trans-conductance error amplifier and power converter
#257Class-D amplifier and electronic apparatus
#258Vehicle audio system and noise removal method thereof
#259Differential output stage of an amplification device, for driving a load
#260Class-D amplifier
#261Class D audio amplifier with adjustable loop filter characteristics
#262Audio output circuit for driving an electroacoustic conversion element
#263Amplification systems and methods with output regulation
#264High-frequency drain power supply to decrease power dissipation in class-AB power amplifiers
#265Load current sensor for envelope tracking modulator
#266Amplifier apparatus
#267OUTPUT POWER TUNING USING PULSE POSITION AND PULSE WIDTH CONTROL IN A PULSE POSITION, PULSE WIDTH MODULATION AMPLIFIER
#268Audio amplifier with an enhanced current limiter using a proxy signal
#269Device and method for reducing clipping in an amplifier
#270Amplification systems and methods with one or more channels
#271Digital class-D amplifier with analog feedback
#272Inverter/power amplifier with capacitive energy transfer and related techniques
#273Method of reducing power dissipation in a switching amplifier and circuit implementing such method
#274Dynamic error vector magnitude duty cycle correction
#275Digital class-D amplifier and digital signal processing method
#276Modulation apparatus for class D switching amplifier
#277Pulse width modulation signal generator
#278RF signal generating circuit, and transmitter
#279Switching power supply device and a semiconductor integrated circuit
#280System and method for generating a pulse-width modulated signal
#281Switching mode amplifier operation
#282Power supply circuit and power supply control method
#283Method and apparatus for efficient and distortion compensated digital class-D amplifier ternary modulation scheme
#284Switch mode power supply for envelope tracking
#285Average power tracking controller
#286Voltage offset loop for a switching controller
#287Multiple mode RF power converter
#288RF power converter
#289Switching circuit and envelope signal amplifier
#290Average frequency control of switcher for envelope tracking
#291PWM comparator and class D amplifier
#292Multi-mode audio amplifiers
#293Switching circuit and envelope signal amplifier
#294Power-amplifier arrangement
#295Switching power supply device and a semiconductor integrated circuit
#296Switching power supply device and a semiconductor integrated circuit
#297Transmitting device for driving a high-frequency antenna of a magnetic-resonance device
#298Amplifying device
#299Power amplifier architectures
#300System and method for generating a pulse-width modulated signal