Pulse width modulation being used in an amplifying circuit

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H03F2200/351

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HELECTRICITY H03Electronic circuits H03FAMPLIFIERS H03F2200/00Indexing scheme relating to amplifiers

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H03F2200/351Pulse width modulation being used in an amplifying circuit

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Patents Grantslast 30 patents

Information Patent Grant
Audio amplifer with fast wake-up power supply
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- Issue date Apr 1, 2025
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Audio signal modulation and amplification circuit
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Amplification systems and methods with one or more channels
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- Tingzhi Yuan
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Gain calibration for audio amplifiers
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- Spencer David Leuenberger
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Hearing device comprising an amplifier system for minimizing variat...
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- Oticon A/S
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BD PWM modulation circuit for use in class D amplifier and modulati...
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- Issue date Oct 1, 2024
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Driving circuit for a switching transistor and a driving device inc...
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Transconductance amplifier for buck-boost converter
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Pulse width modulated amplifier
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Class D power amplification modulation system for self-adaptive adj...
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Class-D amplifier with nested feedback loops
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Switching amplifier with adaptive supply-voltage scaling
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Common-mode leakage error calibration for current sensing in a Clas...
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Clipping state detecting circuit and clipping state detecting method
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Hearing device comprising an amplifier system for minimizing variat...
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Audio power source with improved efficiency
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Class-D amplifier with deadtime distortion compensation
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Audio power source with improved efficiency
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Switching power supply, semiconductor integrated circuit device, an...
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Voltage converter and class-D amplifier
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- Issue date Apr 18, 2023
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Class D amplifier circuitry
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- Issue date Feb 21, 2023
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Time encoding modulator circuitry
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- Issue date Nov 22, 2022
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Amplifier switching control systems and methods
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- Issue date Nov 8, 2022
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- Cary Delano
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Circuit and method for switching between ternary modulation and qua...
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- Issue date Nov 1, 2022
- ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC.
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- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

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TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION
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SWITCHING DRIVERS WITH VOLTAGE MONITORING
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AUDIO AMPLIFIER CIRCUIT
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AUTOMOTIVE INTEGRATED CIRCUIT
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INTRA-SYMBOL VOLTAGE MODULATION IN A WIRELESS COMMUNICATION CIRCUIT
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Audio processing apparatus and method having noise reducing mechanism
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AUDIO AMPLIFIER AND METHOD OF OPERATING THE SAME
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DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS
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SPEAKER ARRAY ADDRESSED BY ROW AND COLUMN SELECTION
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CLASS-D AUDIO AMPLIFICATION CIRCUITRY AND ELECTRONIC DEVICE INCLUDI...
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- Ji-Hun LEE
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CLASS-D AMPLIFIER CIRCUIT
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CLASS-D AMPLIFIER WITH NESTED FEEDBACK LOOPS
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SWITCHING CIRCUIT, CORRESPONDING DEVICE AND METHOD
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NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTE...
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CALIBRATION OF PULSE WIDTH MODULATION AMPLIFIER SYSTEM
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- John L. MELANSON
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CLASS D POWER AMPLIFICATION MODULATION SYSTEM FOR SELF-ADAPTIVE ADJ...
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- CRM ICBG (WUXI) CO., LTD.
- XU ZHOU
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SOUND OUTPUT DEVICE
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Class-D Amplifier
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Switching Amplifier with Adaptive Supply-Voltage Scaling
- Publication number 20230261620
- Publication date Aug 17, 2023
- National Cheng Kung University
- Tai-Haur Kuo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING POWER SUPPLY, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AN...
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- Masashi Nagasato
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Information Patent Application
AUDIO AMPLIFIER WITH DUTY RATIO CONTROL
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Pulse width modulation being used in an amplifying circuit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Audio amplifer with fast wake-up power supply

Audio signal modulation and amplification circuit

Amplification systems and methods with one or more channels

Gain calibration for audio amplifiers

Hearing device comprising an amplifier system for minimizing variat...

BD PWM modulation circuit for use in class D amplifier and modulati...

Audio output device

Audio amplifier with duty ratio control

Switching power supply, semiconductor integrated circuit device, an...

Driving circuit for a switching transistor and a driving device inc...

Increasing power efficiency in a digital feedback class D driver

Transconductance amplifier for buck-boost converter

Pulse width modulated amplifier

Class D power amplification modulation system for self-adaptive adj...

Switching amplifier system with feedback

Audio amplifier

Class-D amplifier with nested feedback loops

Switching amplifier with adaptive supply-voltage scaling

Common-mode leakage error calibration for current sensing in a Clas...

Clipping state detecting circuit and clipping state detecting method

Hearing device comprising an amplifier system for minimizing variat...

Audio power source with improved efficiency

Class-D amplifier with deadtime distortion compensation

Audio power source with improved efficiency

Switching power supply, semiconductor integrated circuit device, an...

Voltage converter and class-D amplifier

Class D amplifier circuitry

Time encoding modulator circuitry

Amplifier switching control systems and methods

Circuit and method for switching between ternary modulation and qua...

Patents Applicationslast 30 patents

CLASS-D AMPLIFIER DEVICE FOR HAPTIC APPLICATIONS

POWER-ON AND SHUT-DOWN POP REDUCTION IN AUDIO SYSTEMS

SIGNAL AMPLIFIER

TRIANGLE WAVE GENERATOR CIRCUIT WITH NOISE REDUCTION

HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIAT...

Semiconductor Device And Electronic Apparatus

SWITCHING DRIVERS WITH VOLTAGE MONITORING

AUDIO AMPLIFIER CIRCUIT

AUTOMOTIVE INTEGRATED CIRCUIT

INTRA-SYMBOL VOLTAGE MODULATION IN A WIRELESS COMMUNICATION CIRCUIT

CLASS D-H PREAMPLIFIER AND CASCODED HIGH-VOLTAGE AMPLIFIER

DIGITAL AUDIO AMPLIFIER, CHIP, AND ELECTRONIC DEVICE

Audio processing apparatus and method having noise reducing mechanism

AUDIO AMPLIFIER AND METHOD OF OPERATING THE SAME

DYNAMIC PULSE WIDTH CONTROL SCHEME IN AMPLIFIERS

SPEAKER ARRAY ADDRESSED BY ROW AND COLUMN SELECTION

Driving Circuit for a Switching Transistor and a Driving Device Inc...

CLASS-D AUDIO AMPLIFICATION CIRCUITRY AND ELECTRONIC DEVICE INCLUDI...

CLASS-D AMPLIFIER CIRCUIT

CLASS-D AMPLIFIER WITH NESTED FEEDBACK LOOPS

SWITCHING CIRCUIT, CORRESPONDING DEVICE AND METHOD

NON-LINEAR FUNCTION IN AN EARLY-SAMPLED HYBRID MULTI-LEVEL CONVERTE...

CALIBRATION OF PULSE WIDTH MODULATION AMPLIFIER SYSTEM

CLASS D POWER AMPLIFICATION MODULATION SYSTEM FOR SELF-ADAPTIVE ADJ...

SOUND OUTPUT DEVICE

HEARING DEVICE COMPRISING AN AMPLIFIER SYSTEM FOR MINIMIZING VARIAT...

Class-D Amplifier

Switching Amplifier with Adaptive Supply-Voltage Scaling

SWITCHING POWER SUPPLY, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AN...

AUDIO AMPLIFIER WITH DUTY RATIO CONTROL