Amplifier without output filter

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CPC
H03F2200/384

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Parent Industries

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

Current Industry

H03F2200/384Amplifier without output filter

Industries

Patents Grantslast 30 patents

Information Patent Grant
Filterless high efficiency class D power amplifier
- Patent number 11,206,000
- Issue date Dec 21, 2021
- Rockwell Collins, Inc.
- Timothy L. Kean
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with hysteresis
- Patent number 10,418,952
- Issue date Sep 17, 2019
- NXP USA, INC.
- Kumar Abhishek
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method to directly couple to analog to digital converter...
- Patent number 9,923,532
- Issue date Mar 20, 2018
- NXP USA, INC.
- Cristian Pavao-Moreira
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter-less chopping for offset cancellation
- Patent number 9,912,309
- Issue date Mar 6, 2018
- Marvell Israel (M.I.S.L) Ltd.
- Reuven Ecker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low-noise amplifier
- Patent number 9,312,818
- Issue date Apr 12, 2016
- Telefonaktiebolaget LM Ericsson (publ)
- Sven Mattisson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pulse width modulation for switching amplifier
- Patent number 8,841,950
- Issue date Sep 23, 2014
- Ericsson Modems SA
- Shyam S. Somayajula
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifying apparatus, method of output control and control program
- Patent number 8,115,540
- Issue date Feb 14, 2012
- NEC Corporation
- Koichi Nose
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class D amplifier circuit
- Patent number 7,948,313
- Issue date May 24, 2011
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal modulation scheme in class-D amplification and circuit therefor
- Patent number 7,659,789
- Issue date Feb 9, 2010
- Apexone Microelectronics Ltd.
- Hao Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filterless class-D speaker driver with less switching
- Patent number 7,609,110
- Issue date Oct 27, 2009
- Broadcom Corporation
- Minsheng Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control circuit and method for a switching amplifier
- Patent number 7,545,207
- Issue date Jun 9, 2009
- Analog and Power Electronics Corp.
- Ming-Hung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching amplifier and control method thereof
- Patent number 7,388,431
- Issue date Jun 17, 2008
- Analog and Power Electronics Corp.
- Ming-Hung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filterless class D power amplifier
- Patent number 7,355,473
- Issue date Apr 8, 2008
- Amazion Electronics, Inc.
- Kuo-Hung Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-D audio amplifier with half-swing pulse-width-modulation
- Patent number 7,339,425
- Issue date Mar 4, 2008
- Elite Semiconductor Memory Technology, Inc
- Cheng-Chung Yang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filterless class D power amplifier
- Patent number 7,332,962
- Issue date Feb 19, 2008
- Amazion Electronics, Inc.
- Kuo-Hung Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Boost bridge amplifier
- Patent number 6,985,034
- Issue date Jan 10, 2006
- Milan Prokin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Efficient minimum pulse spread spectrum modulation for filterless c...
- Patent number 6,847,257
- Issue date Jan 25, 2005
- Maxim Integrated Products, Inc.
- Christopher Francis Edwards
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulation scheme for filterless switching amplifiers with reduced EMI
- Patent number 6,614,297
- Issue date Sep 2, 2003
- Texas Instruments Incorporated
- Michael D. Score
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Concept and method to enable filterless, efficient operation of Cla...
- Patent number 6,262,632
- Issue date Jul 17, 2001
- Texas Instruments Incorporated
- Marco Corsi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulation scheme for filterless switching amplifiers
- Patent number 6,211,728
- Issue date Apr 3, 2001
- Texas Instruments Incorporated
- Wayne Tien-Feng Chen
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
AMPLIFIER WITH HYSTERESIS
- Publication number 20190288654
- Publication date Sep 19, 2019
- NXP USA, Inc.
- KUMAR ABHISHEK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEM AND METHOD TO DIRECTLY COUPLE TO ANALOG TO DIGITAL CONVERTER...
- Publication number 20170294889
- Publication date Oct 12, 2017
- NXP USA, Inc.
- Cristian Pavao-Moreira
- G01 - MEASURING TESTING
Information Patent Application
LOW-NOISE AMPLIFIER
- Publication number 20150002225
- Publication date Jan 1, 2015
- Telefonaktiebolaget L M Ericsson (pulb)
- Sven Mattisson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Pulse Width Modulation for Switching Amplifier
- Publication number 20120249202
- Publication date Oct 4, 2012
- Shyam Somayajula
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Class D amplifier circuit
- Publication number 20100244958
- Publication date Sep 30, 2010
- Yamaha Corporation
- Nobuaki Tsuji
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFYING APPARATUS, METHOD OF OUTPUT CONTROL AND CONTROL PROGRAM
- Publication number 20100052792
- Publication date Mar 4, 2010
- Koichi Nose
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SIGNAL MODULATION SCHEME IN CLASS-D AMPLIFICATION AND CIRCUIT THEREFOR
- Publication number 20090179709
- Publication date Jul 16, 2009
- Hao Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Filterless class-D speaker driver with less switching
- Publication number 20080265989
- Publication date Oct 30, 2008
- BROADCOM CORPORATION
- Minsheng Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Control circuit and method for a switching amplifier
- Publication number 20080129370
- Publication date Jun 5, 2008
- Ming-Hung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Switching amplifier circuits and methods
- Publication number 20080101628
- Publication date May 1, 2008
- PacificTech Microelectronics, Inc.
- Hideto Takagishi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AUDIO AMPLIFIER WITH HALF-SWING PULSE-WIDTH-MODULATION
- Publication number 20080030267
- Publication date Feb 7, 2008
- ELITE SEMICONDUCTOR MEMORY TECHNOLOGY Inc.
- Cheng-Chung Yang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Filterless class D power amplifier
- Publication number 20070146069
- Publication date Jun 28, 2007
- Kuo-Hung Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FILTERLESS CLASS D POWER AMPLIFIER
- Publication number 20070109049
- Publication date May 17, 2007
- Kuo-Hung Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Switching amplifier and control method thereof
- Publication number 20060284677
- Publication date Dec 21, 2006
- Ming-Hung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
EFFICIENT MINIMUM PULSE SPREAD SPECTRUM MODULATION FOR FILTERLESS C...
- Publication number 20040232979
- Publication date Nov 25, 2004
- Christopher Francis Edwards
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Filterless class D amplifiers using spread spectrum PWM modulation
- Publication number 20040232978
- Publication date Nov 25, 2004
- Craig Alexander Easson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Modulation scheme for filterless switching amplifiers with reduced EMI
- Publication number 20030006837
- Publication date Jan 9, 2003
- Michael D. Score
- H03 - BASIC ELECTRONIC CIRCUITRY

Amplifier without output filter

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Filterless high efficiency class D power amplifier

Amplifier with hysteresis

System and method to directly couple to analog to digital converter...

Filter-less chopping for offset cancellation

Low-noise amplifier

Pulse width modulation for switching amplifier

Amplifying apparatus, method of output control and control program

Class D amplifier circuit

Signal modulation scheme in class-D amplification and circuit therefor

Filterless class-D speaker driver with less switching

Control circuit and method for a switching amplifier

Switching amplifier and control method thereof

Filterless class D power amplifier

Class-D audio amplifier with half-swing pulse-width-modulation

Filterless class D power amplifier

Boost bridge amplifier

Efficient minimum pulse spread spectrum modulation for filterless c...

Modulation scheme for filterless switching amplifiers with reduced EMI

Concept and method to enable filterless, efficient operation of Cla...

Modulation scheme for filterless switching amplifiers

Patents Applicationslast 30 patents

AMPLIFIER WITH HYSTERESIS

SYSTEM AND METHOD TO DIRECTLY COUPLE TO ANALOG TO DIGITAL CONVERTER...

LOW-NOISE AMPLIFIER

Pulse Width Modulation for Switching Amplifier

Class D amplifier circuit

AMPLIFYING APPARATUS, METHOD OF OUTPUT CONTROL AND CONTROL PROGRAM

SIGNAL MODULATION SCHEME IN CLASS-D AMPLIFICATION AND CIRCUIT THEREFOR

Filterless class-D speaker driver with less switching

Control circuit and method for a switching amplifier

Switching amplifier circuits and methods

CLASS-D AUDIO AMPLIFIER WITH HALF-SWING PULSE-WIDTH-MODULATION

Filterless class D power amplifier

FILTERLESS CLASS D POWER AMPLIFIER

Switching amplifier and control method thereof

EFFICIENT MINIMUM PULSE SPREAD SPECTRUM MODULATION FOR FILTERLESS C...

Filterless class D amplifiers using spread spectrum PWM modulation

Modulation scheme for filterless switching amplifiers with reduced EMI