JP6219371B2 - オーディオ周波数増幅器および安定化電源のためのパルス発生回路 - Google Patents

オーディオ周波数増幅器および安定化電源のためのパルス発生回路 Download PDF

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Publication number
JP6219371B2
JP6219371B2 JP2015509261A JP2015509261A JP6219371B2 JP 6219371 B2 JP6219371 B2 JP 6219371B2 JP 2015509261 A JP2015509261 A JP 2015509261A JP 2015509261 A JP2015509261 A JP 2015509261A JP 6219371 B2 JP6219371 B2 JP 6219371B2
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Japan
Prior art keywords
signal
circuit
comparator
integrator
input
Prior art date
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Expired - Fee Related
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JP2015509261A
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English (en)
Japanese (ja)
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JP2015515839A (ja
JP2015515839A5 (enExample
Inventor
ジェームズ、ハモンド
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Indice Semiconductor Inc
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Indice Semiconductor Inc
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
Priority claimed from AU2012901689A external-priority patent/AU2012901689A0/en
Application filed by Indice Semiconductor Inc filed Critical Indice Semiconductor Inc
Publication of JP2015515839A publication Critical patent/JP2015515839A/ja
Publication of JP2015515839A5 publication Critical patent/JP2015515839A5/ja
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • 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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
JP2015509261A 2012-04-30 2013-04-30 オーディオ周波数増幅器および安定化電源のためのパルス発生回路 Expired - Fee Related JP6219371B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2012901689 2012-04-30
AU2012901689A AU2012901689A0 (en) 2012-04-30 A circuit
PCT/AU2013/000452 WO2013163691A1 (en) 2012-04-30 2013-04-30 Pulse generating circuit for audio-frequency amplifiers and regulated power supplies

Publications (3)

Publication Number Publication Date
JP2015515839A JP2015515839A (ja) 2015-05-28
JP2015515839A5 JP2015515839A5 (enExample) 2016-07-21
JP6219371B2 true JP6219371B2 (ja) 2017-10-25

Family

ID=49514108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015509261A Expired - Fee Related JP6219371B2 (ja) 2012-04-30 2013-04-30 オーディオ周波数増幅器および安定化電源のためのパルス発生回路

Country Status (6)

Country Link
US (1) US9444439B2 (enExample)
EP (1) EP2845315A4 (enExample)
JP (1) JP6219371B2 (enExample)
CN (1) CN104584424A (enExample)
IN (1) IN2014MN02429A (enExample)
WO (1) WO2013163691A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3447708B2 (ja) 2001-03-02 2003-09-16 株式会社小島組 土砂撒き船

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015007696B3 (de) * 2015-06-18 2016-12-15 Iie Gmbh & Co. Kg Spannungsquelle für modulierte Gleichspannungen
KR102629644B1 (ko) * 2017-11-10 2024-01-30 시러스 로직 인터내셔널 세미컨덕터 리미티드 복수의 독립된 출력 스테이지들을 가진 클래스-d 증폭기
EP3946470A4 (en) * 2019-04-05 2023-05-31 Earli Inc. IMPROVED METHODS AND COMPOSITIONS FOR SYNTHETIC BIOMARKERS
GB2624053B (en) * 2022-11-07 2024-12-11 Cirrus Logic Int Semiconductor Ltd Voltage supply

Family Cites Families (17)

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US5828705A (en) * 1996-02-01 1998-10-27 Kroeger; Brian W. Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio
US5838515A (en) * 1996-04-30 1998-11-17 Quantum Corporation PWM/linear driver for disk drive voice coil actuator
US6107875A (en) 1998-10-15 2000-08-22 Intersil Corporation Variable frequency class D modulator with built in soft clipping and frequency limiting
US6316992B1 (en) * 1999-07-29 2001-11-13 Tripath Technology, Inc. DC offset calibration for a digital switching amplifier
US6614297B2 (en) * 2001-07-06 2003-09-02 Texas Instruments Incorporated Modulation scheme for filterless switching amplifiers with reduced EMI
JP3941443B2 (ja) * 2001-09-27 2007-07-04 ヤマハ株式会社 自走式ｐｗｍ増幅器
US20030214274A1 (en) * 2002-05-14 2003-11-20 Lethellier Patrice R. Multiple-phase power converter having current sharing and high frequency filtering
AU2003274541A1 (en) * 2002-11-22 2004-06-18 Koninklijke Philips Electronics N.V. Pwm generator
US7443105B2 (en) * 2006-06-15 2008-10-28 American Electric Cord, Inc. Ballast circuit for gas discharge lamps
US7965141B2 (en) * 2006-07-07 2011-06-21 Nxp B.V. Class D audio amplifier
US7492219B1 (en) 2006-08-10 2009-02-17 Marvell International Ltd. Power efficient amplifier
CN100588115C (zh) * 2006-09-18 2010-02-03 晶豪科技股份有限公司 半波式脉冲宽度调制式d类音频放大器
JP2009060466A (ja) * 2007-08-31 2009-03-19 Kenwood Corp Ｄ級増幅装置
JP5273056B2 (ja) * 2008-02-14 2013-08-28 日本電気株式会社 電力増幅器
NL1035333C2 (nl) 2008-04-23 2009-10-26 Hypex Electronics B V Werkwijze en stuurschakeling voor het sturen van pulsbreedtemodulatie.
GB2473625A (en) * 2009-09-17 2011-03-23 Powervation Ltd Adaptive analog compensator for a power supply
JP2012060613A (ja) * 2010-09-13 2012-03-22 Uinzu:Kk 自励型発振回路及びｄ級増幅装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3447708B2 (ja) 2001-03-02 2003-09-16 株式会社小島組 土砂撒き船

Also Published As

Publication number Publication date
JP2015515839A (ja) 2015-05-28
EP2845315A4 (en) 2016-06-22
EP2845315A1 (en) 2015-03-11
US9444439B2 (en) 2016-09-13
US20150145582A1 (en) 2015-05-28
WO2013163691A1 (en) 2013-11-07
IN2014MN02429A (enExample) 2015-08-14
CN104584424A (zh) 2015-04-29

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