ATE435521T1 - Geschalteter leistungsverstärker und verfahren zur verstärkung eines digitalen signals - Google Patents

Geschalteter leistungsverstärker und verfahren zur verstärkung eines digitalen signals

Info

Publication number
ATE435521T1
ATE435521T1 AT05019720T AT05019720T ATE435521T1 AT E435521 T1 ATE435521 T1 AT E435521T1 AT 05019720 T AT05019720 T AT 05019720T AT 05019720 T AT05019720 T AT 05019720T AT E435521 T1 ATE435521 T1 AT E435521T1
Authority
AT
Austria
Prior art keywords
signal
amplifying
power amplifier
generate
digital signal
Prior art date
Application number
AT05019720T
Other languages
English (en)
Inventor
Carsten Wegner
Original Assignee
Camco Prod & Vertriebs Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Camco Prod & Vertriebs Gmbh filed Critical Camco Prod & Vertriebs Gmbh
Application granted granted Critical
Publication of ATE435521T1 publication Critical patent/ATE435521T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT05019720T 2004-10-28 2005-09-09 Geschalteter leistungsverstärker und verfahren zur verstärkung eines digitalen signals ATE435521T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62262504P 2004-10-28 2004-10-28

Publications (1)

Publication Number Publication Date
ATE435521T1 true ATE435521T1 (de) 2009-07-15

Family

ID=35788961

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05019720T ATE435521T1 (de) 2004-10-28 2005-09-09 Geschalteter leistungsverstärker und verfahren zur verstärkung eines digitalen signals

Country Status (4)

Country Link
US (1) US7276963B2 (de)
EP (1) EP1653604B1 (de)
AT (1) ATE435521T1 (de)
DE (1) DE602005015176D1 (de)

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EP1858159B1 (de) * 2006-05-19 2011-09-21 CAMCO Produktions- und Vertriebs GmbH Vorrichtung und Verfahren zur Durchführung von Rechenoperationen
US7822800B2 (en) * 2006-05-19 2010-10-26 Camco Produktions-Und Vertriebs Gmbh Fur Beschallungs-Und Beleuchtungsanlagen Apparatus and method for performing a calculation operation
DE102007015008B4 (de) * 2007-03-28 2016-12-15 Infineon Technologies Ag Digitaler Verstärker und Verfahren zum Verstärken eines digitalen Eingangssignals
US20090237959A1 (en) * 2008-03-20 2009-09-24 Eric Soenen Digital Control of Power Converters
CN102089671B (zh) 2008-07-11 2015-08-26 皇家飞利浦电子股份有限公司 具有前馈和反馈控制的数字放大器
KR20100008749A (ko) * 2008-07-16 2010-01-26 삼성전자주식회사 스위칭 파워 증폭 장치 및 그 제어 방법
US20100045376A1 (en) * 2008-08-25 2010-02-25 Eric Soenen Class d amplifier control circuit and method
US8040181B2 (en) * 2009-06-30 2011-10-18 Maxim Integrated Products, Inc. Time delay compensation and pulse width correction
US8571237B2 (en) * 2009-07-02 2013-10-29 Amp'd PC Technologies, LLC Multi-zone audio amplification system for multimedia
US8693578B2 (en) * 2009-12-08 2014-04-08 Nec Corporation Transmission device
CN103026618B (zh) * 2010-08-30 2015-07-29 松下电器产业株式会社 放大装置
US8441235B2 (en) 2011-01-31 2013-05-14 Taiwan Semiconductor Manufacturing Company, Ltd. Battery charger digital control circuit and method
WO2012132377A1 (ja) 2011-03-28 2012-10-04 パナソニック株式会社 増幅器および増幅器を備えた音響装置
US8792578B2 (en) * 2011-05-27 2014-07-29 Alcatel Lucent Method and apparatus of switched amplification having improved efficiency
DE102012104488A1 (de) 2012-05-24 2013-11-28 Hochschule für angewandte Wissenschaften München Geschalteter Verstärker für variable Versorgungsspannung
CN103944521B (zh) * 2014-04-24 2017-10-17 佛山市顺德区龙睿电子科技有限公司 一种电流喷射式音频功率放大器
US9362888B2 (en) * 2014-08-28 2016-06-07 Qualcomm Technologies International, Ltd. Devices and methods for converting digital signals
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US10218312B2 (en) 2016-02-29 2019-02-26 Qualcomm Incorporated Dynamic volume management in audio amplifiers
US10256777B2 (en) * 2016-02-29 2019-04-09 Qualcomm Incorporated Audio amplifiers
JP6994656B2 (ja) * 2019-08-27 2022-01-14 パナソニックＩｐマネジメント株式会社 信号処理装置及び調整方法
CN112671349B (zh) * 2021-01-20 2025-04-15 中科长城海洋信息系统有限公司 一种数字功率放大器
US12003222B2 (en) 2021-08-13 2024-06-04 Texas Instruments Incorporated Methods and apparatus to generate a modulation protocol to output audio
US12034420B2 (en) * 2021-09-30 2024-07-09 Texas Instruments Incorporated Switching amplifier having linear transition totem pole modulation
CN114244146A (zh) * 2021-12-24 2022-03-25 中国科学技术大学 一种基于d类功放的快响应磁铁电源
US11996866B2 (en) * 2022-03-21 2024-05-28 xMEMS Labs, Inc. Feedback control system achieving high performance via density modulation
TWI806701B (zh) * 2022-07-11 2023-06-21 瑞昱半導體股份有限公司 放大器系統
US20240305249A1 (en) * 2023-03-10 2024-09-12 Cirrus Logic International Semiconductor Ltd. Amplifier circuitry with supply compensation
NL2034425B1 (en) * 2023-03-25 2024-09-30 Axign B V Efficient pwm modulator utilizing interpolation
US12562295B2 (en) 2024-01-25 2026-02-24 Texas Instruments Incorporated Trimming resistor using modulated signal
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US6466087B2 (en) * 2000-12-28 2002-10-15 Nokia Mobile Phones, Ltd. Method and apparatus providing digital error correction for a class D power stage
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US6504427B2 (en) * 2001-05-31 2003-01-07 Motorola, Inc. Switching amplifier having digital correction and method therefor
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Also Published As

Publication number Publication date
EP1653604B1 (de) 2009-07-01
US7276963B2 (en) 2007-10-02
DE602005015176D1 (de) 2009-08-13
EP1653604A1 (de) 2006-05-03
US20060091945A1 (en) 2006-05-04

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