JP4529958B2 - Ｄ級増幅器 - Google Patents

Ｄ級増幅器 Download PDF

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Publication number
JP4529958B2
JP4529958B2 JP2006226269A JP2006226269A JP4529958B2 JP 4529958 B2 JP4529958 B2 JP 4529958B2 JP 2006226269 A JP2006226269 A JP 2006226269A JP 2006226269 A JP2006226269 A JP 2006226269A JP 4529958 B2 JP4529958 B2 JP 4529958B2
Authority
JP
Japan
Prior art keywords
signal
amplifier
output
triangular wave
class
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
JP2006226269A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007124624A (ja
JP2007124624A5 (https=
Inventor
利夫 前嶋
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.)
Yamaha Corp
Original Assignee
Yamaha 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
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to JP2006226269A priority Critical patent/JP4529958B2/ja
Priority to EP08007400A priority patent/EP1962419B1/en
Priority to EP06020327A priority patent/EP1770855B1/en
Priority to AT06020327T priority patent/ATE521133T1/de
Priority to KR1020060094886A priority patent/KR100805437B1/ko
Priority to US11/541,999 priority patent/US7482870B2/en
Priority to CN201010147571XA priority patent/CN101807888B/zh
Priority to CN2010101475584A priority patent/CN101807887B/zh
Priority to CN2006101415036A priority patent/CN1941613B/zh
Priority to CN2010101475743A priority patent/CN101807889B/zh
Publication of JP2007124624A publication Critical patent/JP2007124624A/ja
Priority to US12/317,613 priority patent/US8054129B2/en
Publication of JP2007124624A5 publication Critical patent/JP2007124624A5/ja
Application granted granted Critical
Publication of JP4529958B2 publication Critical patent/JP4529958B2/ja
Priority to US13/114,464 priority patent/US8299853B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2006226269A 2005-09-28 2006-08-23 Ｄ級増幅器 Expired - Fee Related JP4529958B2 (ja)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP2006226269A JP4529958B2 (ja) 2005-09-28 2006-08-23 Ｄ級増幅器
EP06020327A EP1770855B1 (en) 2005-09-28 2006-09-27 Class D amplifier
AT06020327T ATE521133T1 (de) 2005-09-28 2006-09-27 Klasse d verstärker
EP08007400A EP1962419B1 (en) 2005-09-28 2006-09-27 Class D amplifier
US11/541,999 US7482870B2 (en) 2005-09-28 2006-09-28 Class D amplifier
CN201010147571XA CN101807888B (zh) 2005-09-28 2006-09-28 D类放大器
KR1020060094886A KR100805437B1 (ko) 2005-09-28 2006-09-28 Ｄ급 증폭기
CN2010101475584A CN101807887B (zh) 2005-09-28 2006-09-28 D类放大器
CN2006101415036A CN1941613B (zh) 2005-09-28 2006-09-28 D类放大器
CN2010101475743A CN101807889B (zh) 2005-09-28 2006-09-28 D类放大器
US12/317,613 US8054129B2 (en) 2005-09-28 2008-12-23 Class D amplifier
US13/114,464 US8299853B2 (en) 2005-09-28 2011-05-24 Class D amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005282128 2005-09-28
JP2006226269A JP4529958B2 (ja) 2005-09-28 2006-08-23 Ｄ級増幅器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010099207A Division JP4978714B2 (ja) 2005-09-28 2010-04-22 Ｄ級増幅器

Publications (3)

Publication Number Publication Date
JP2007124624A JP2007124624A (ja) 2007-05-17
JP2007124624A5 JP2007124624A5 (https=) 2010-04-22
JP4529958B2 true JP4529958B2 (ja) 2010-08-25

Family

ID=38147899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006226269A Expired - Fee Related JP4529958B2 (ja) 2005-09-28 2006-08-23 Ｄ級増幅器

Country Status (1)

Country Link
JP (1) JP4529958B2 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5157959B2 (ja) * 2009-02-27 2013-03-06 ヤマハ株式会社 Ｄ級増幅器
JP5157960B2 (ja) * 2009-02-27 2013-03-06 ヤマハ株式会社 Ｄ級増幅器
JP5233792B2 (ja) 2009-03-27 2013-07-10 ヤマハ株式会社 増幅回路
JP2011066558A (ja) * 2009-09-15 2011-03-31 Yamaha Corp Ｄ級増幅器
CN103326677B (zh) * 2012-03-22 2016-05-04 炬芯（珠海）科技有限公司 音频功率放大器及音频功率放大器的调节方法
CN109546978B (zh) * 2019-01-15 2023-09-19 上海艾为电子技术股份有限公司 一种喇叭的电流检测电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724396A (en) * 1984-08-21 1988-02-09 Peavey Electronics Corporation Digital audio amplifier
JPS6260306A (ja) * 1985-09-10 1987-03-17 Toshiba Corp Ｐｗｍドライブ回路
JP3130919B2 (ja) * 1990-11-06 2001-01-31 三菱電機株式会社 パルス幅変調増幅器

Also Published As

Publication number Publication date
JP2007124624A (ja) 2007-05-17

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