JP3776392B2 - Ｄ級増幅器 - Google Patents

Ｄ級増幅器 Download PDF

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Publication number
JP3776392B2
JP3776392B2 JP2002291195A JP2002291195A JP3776392B2 JP 3776392 B2 JP3776392 B2 JP 3776392B2 JP 2002291195 A JP2002291195 A JP 2002291195A JP 2002291195 A JP2002291195 A JP 2002291195A JP 3776392 B2 JP3776392 B2 JP 3776392B2
Authority
JP
Japan
Prior art keywords
signal
pulse
waveform
correction
output
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2002291195A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004128958A (ja
Inventor
賢一 田浦
雅之 辻
雅之 石田
剛 仲田
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 to JP2002291195A priority Critical patent/JP3776392B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to CNB200510131719XA priority patent/CN100461626C/zh
Priority to US10/673,883 priority patent/US6924700B2/en
Priority to CNB031648886A priority patent/CN1277351C/zh
Priority to CNB2005101317185A priority patent/CN100486111C/zh
Priority to DE10347293A priority patent/DE10347293A1/de
Publication of JP2004128958A publication Critical patent/JP2004128958A/ja
Priority to US11/146,124 priority patent/US6989714B2/en
Priority to US11/155,473 priority patent/US7057456B2/en
Application granted granted Critical
Publication of JP3776392B2 publication Critical patent/JP3776392B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2002291195A 2002-10-03 2002-10-03 Ｄ級増幅器 Expired - Fee Related JP3776392B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2002291195A JP3776392B2 (ja) 2002-10-03 2002-10-03 Ｄ級増幅器
US10/673,883 US6924700B2 (en) 2002-10-03 2003-09-30 Class D amplifier
CNB031648886A CN1277351C (zh) 2002-10-03 2003-09-30 D类放大器
CNB2005101317185A CN100486111C (zh) 2002-10-03 2003-09-30 D类放大器
CNB200510131719XA CN100461626C (zh) 2002-10-03 2003-09-30 D类放大器
DE10347293A DE10347293A1 (de) 2002-10-03 2003-10-02 Klasse D-Verstärker
US11/146,124 US6989714B2 (en) 2002-10-03 2005-06-07 Class D amplifier
US11/155,473 US7057456B2 (en) 2002-10-03 2005-06-20 Class D amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002291195A JP3776392B2 (ja) 2002-10-03 2002-10-03 Ｄ級増幅器

Publications (2)

Publication Number Publication Date
JP2004128958A JP2004128958A (ja) 2004-04-22
JP3776392B2 true JP3776392B2 (ja) 2006-05-17

Family

ID=32282849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002291195A Expired - Fee Related JP3776392B2 (ja) 2002-10-03 2002-10-03 Ｄ級増幅器

Country Status (2)

Country Link
JP (1) JP3776392B2 (zh)
CN (2) CN100486111C (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429455A1 (en) * 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Linearization of a PDM class-D amplifier
US7463090B2 (en) * 2006-05-15 2008-12-09 Asahi Kasei Emd Corporation Driving device
CN101443999B (zh) * 2006-05-15 2012-07-25 旭化成电子材料元件株式会社 驱动装置、驱动方法及信息设备
JP4859644B2 (ja) * 2006-12-01 2012-01-25 新日本無線株式会社 Ｄ級増幅方法およびｄ級増幅器
JP5485618B2 (ja) 2009-08-26 2014-05-07 パナソニック株式会社 センサ装置
CN113029207B (zh) * 2021-03-17 2022-06-28 上海睿奈电子科技有限公司 一种高灵敏和可配置的传感器驱动和信号处理集成电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410592A (en) * 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
US5672998A (en) * 1995-08-09 1997-09-30 Harris Corporation Class D amplifier and method
US6297692B1 (en) * 1996-10-31 2001-10-02 Bang & Olufsen A/S Pulse modulation power amplifier with enhanced cascade control method
JP3346581B2 (ja) * 1997-04-02 2002-11-18 バング アンド オルフセン・パワーハウス・エイ／エス パルス変調信号の強化されたパワー増幅用パルス基準制御方法及びシステム
DE69818631T2 (de) * 1997-08-12 2004-08-12 Koninklijke Philips Electronics N.V. Verstärkungsanordnung für digitale signale
US5959501A (en) * 1998-01-14 1999-09-28 Harris Corporation Class D amplifier with scaled clock and related methods
FI107659B (fi) * 1999-11-26 2001-09-14 Nokia Mobile Phones Ltd Signaalin laadun parantaminen
JP4387601B2 (ja) * 2000-02-01 2009-12-16 アルパイン株式会社 デジタルアンプ
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

Also Published As

Publication number Publication date
CN100461626C (zh) 2009-02-11
CN100486111C (zh) 2009-05-06
JP2004128958A (ja) 2004-04-22
CN1790898A (zh) 2006-06-21
CN1790899A (zh) 2006-06-21

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