ATE415008T1 - Selbstschwingender stromkreis - Google Patents

Selbstschwingender stromkreis

Info

Publication number
ATE415008T1
ATE415008T1 AT03735328T AT03735328T ATE415008T1 AT E415008 T1 ATE415008 T1 AT E415008T1 AT 03735328 T AT03735328 T AT 03735328T AT 03735328 T AT03735328 T AT 03735328T AT E415008 T1 ATE415008 T1 AT E415008T1
Authority
AT
Austria
Prior art keywords
self
oscillating circuit
filtering
output
input
Prior art date
Application number
AT03735328T
Other languages
English (en)
Inventor
Thomas Frederiksen
Kim Pedersen
Original Assignee
Tc Group As
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 Tc Group As filed Critical Tc Group As
Application granted granted Critical
Publication of ATE415008T1 publication Critical patent/ATE415008T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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
    • H03F2200/78—A comparator being used in a controlling circuit of an amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Telephone Function (AREA)
AT03735328T 2003-06-27 2003-06-27 Selbstschwingender stromkreis ATE415008T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK2003/000447 WO2005002050A1 (en) 2003-06-27 2003-06-27 Self-oscillating power circuit

Publications (1)

Publication Number Publication Date
ATE415008T1 true ATE415008T1 (de) 2008-12-15

Family

ID=33547522

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03735328T ATE415008T1 (de) 2003-06-27 2003-06-27 Selbstschwingender stromkreis

Country Status (6)

Country Link
US (1) US7391258B2 (de)
EP (1) EP1639702B1 (de)
AT (1) ATE415008T1 (de)
AU (1) AU2003236814A1 (de)
DE (1) DE60324847D1 (de)
WO (1) WO2005002050A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060140644A1 (en) * 2004-12-23 2006-06-29 Paolella Arthur C High performance, high efficiency fiber optic link for analog and RF systems
US20090135885A1 (en) * 2005-11-07 2009-05-28 Keystone Semiconductor, Inc. Non-linear feedback control loops as spread spectrum clock generator
US7554390B1 (en) * 2007-12-20 2009-06-30 Texas Instruments Incorporated Method and system for transitioning between operation states in an output system
US8305056B2 (en) * 2008-12-09 2012-11-06 Qualcomm Incorporated Low drop-out voltage regulator with wide bandwidth power supply rejection ratio
EP3231086B1 (de) * 2014-12-08 2020-06-03 Icepower A/S Selbstschwingender verstärker mit schleifenfilter höherer ordnung
WO2018211085A1 (en) * 2017-05-19 2018-11-22 Danmarks Tekniske Universitet A class-d audio amplifier
KR20200096590A (ko) 2017-12-07 2020-08-12 퓨리파이 에이피에스 제어 루프에서 적어도 2차 필터를 갖는 증폭기
EP3721552B1 (de) * 2017-12-07 2025-10-08 Purifi ApS Verstärkerschaltung
CN111448755A (zh) 2017-12-07 2020-07-24 普立菲有限公司 具有带至少三阶网络的补偿器的放大器
EP3531555A1 (de) * 2018-02-22 2019-08-28 Vestel Elektronik Sanayi ve Ticaret A.S. Verfahren zur unterdrückung von hochfrequenzrauschen bei der ausgabe durch einen klasse-d-verstärker und klasse-d-verstärker
US11575353B2 (en) * 2020-08-25 2023-02-07 Crestron Electronics, Inc. Overpower protection using a power-mirroring resistor
KR102577289B1 (ko) * 2021-08-23 2023-09-12 주식회사 웰랑 낮은 노이즈 및 고조파 왜곡을 갖는 증폭기 및 이를 위한 노이즈 쉐이퍼

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639606A (en) * 1979-09-07 1981-04-15 Matsushita Electric Ind Co Ltd Self-excited type d-class amplifier
JPS5967719A (ja) * 1982-10-09 1984-04-17 Nippon Gakki Seizo Kk パルス幅変調回路
JPH0644696B2 (ja) 1984-07-30 1994-06-08 富士通テン株式会社 パルス幅変調型パワーアンプの復調フィルタ
ES2212082T3 (es) 1996-10-31 2004-07-16 BANG & OLUFSEN A/S Amplificador de potencia con modulacion por impulsos con metodo mejorado de control en cascada.
WO1999038255A2 (en) * 1998-01-22 1999-07-29 Koninklijke Philips Electronics N.V. Pwm amplifier
US6249182B1 (en) * 1998-11-18 2001-06-19 Intersil Corporation Class D amplifier with bandwidth independent of load impedance
US6909321B2 (en) 2000-01-03 2005-06-21 Harman International Industries, Incorporated Active isolated-integrator low-pass filter with attenuation poles
JP2002076842A (ja) 2000-08-30 2002-03-15 Sony Corp フィルタ装置、フィルタ制御方法、及び受信装置
US6362702B1 (en) * 2000-09-29 2002-03-26 Bang & Olufsen Powerhouse A/S Controlled self-oscillation modulator and power conversion system using such a modulator
SE0104401D0 (sv) * 2001-12-21 2001-12-21 Bang & Olufsen Powerhouse As Syncronized controlled oscillation modulator
SE0203403D0 (sv) * 2002-11-15 2002-11-15 Bang & Olufsen Icepower As Pulse modulated power converter

Also Published As

Publication number Publication date
EP1639702B1 (de) 2008-11-19
AU2003236814A1 (en) 2005-01-13
US7391258B2 (en) 2008-06-24
EP1639702A1 (de) 2006-03-29
DE60324847D1 (de) 2009-01-02
WO2005002050A1 (en) 2005-01-06
US20070216491A1 (en) 2007-09-20

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties