CN100546172C - 信号输出电路 - Google Patents

信号输出电路 Download PDF

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Publication number
CN100546172C
CN100546172C CNB2004100964770A CN200410096477A CN100546172C CN 100546172 C CN100546172 C CN 100546172C CN B2004100964770 A CNB2004100964770 A CN B2004100964770A CN 200410096477 A CN200410096477 A CN 200410096477A CN 100546172 C CN100546172 C CN 100546172C
Authority
CN
China
Prior art keywords
circuit
output
mentioned
signal
reference voltage
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 - Lifetime
Application number
CNB2004100964770A
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English (en)
Chinese (zh)
Other versions
CN1649256A (zh
Inventor
稻垣靖彦
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.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric Co Ltd
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 Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Publication of CN1649256A publication Critical patent/CN1649256A/zh
Application granted granted Critical
Publication of CN100546172C publication Critical patent/CN100546172C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Pulse Circuits (AREA)
CNB2004100964770A 2004-01-27 2004-11-30 信号输出电路 Expired - Lifetime CN100546172C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004018765 2004-01-27
JP2004018765A JP4349136B2 (ja) 2004-01-27 2004-01-27 信号出力回路

Publications (2)

Publication Number Publication Date
CN1649256A CN1649256A (zh) 2005-08-03
CN100546172C true CN100546172C (zh) 2009-09-30

Family

ID=34792553

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100964770A Expired - Lifetime CN100546172C (zh) 2004-01-27 2004-11-30 信号输出电路

Country Status (5)

Country Link
US (1) US7161424B2 (enExample)
JP (1) JP4349136B2 (enExample)
KR (1) KR100969910B1 (enExample)
CN (1) CN100546172C (enExample)
TW (1) TW200525881A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005051609A (ja) * 2003-07-30 2005-02-24 Mitsumi Electric Co Ltd 信号出力回路
KR100598366B1 (ko) * 2005-04-06 2006-07-06 주식회사 팬택 팝노이즈 출력 제거가 가능한 전자기기 및 팝노이즈 출력제거 회로
WO2008013531A1 (en) * 2006-07-25 2008-01-31 Semiconductor Components Industries, L.L.C. Amplification circuit and method therefor
CN101325401B (zh) * 2007-06-12 2012-05-02 上海沙丘微电子有限公司 全差分音频功率放大器开关机噪声抑制电路
JP5438483B2 (ja) * 2008-12-16 2014-03-12 ローム株式会社 増幅回路、その起動方法、およびそれらを用いたオーディオ再生装置ならびに電子機器
TWI482505B (zh) * 2012-09-19 2015-04-21 Wistron Corp 揚聲器控制系統
CN108260040B (zh) * 2016-12-29 2020-07-14 瑞昱半导体股份有限公司 耳机放大器电路及其操作方法，以及耳机装置
KR102511201B1 (ko) * 2017-09-27 2023-03-17 삼성전자주식회사 과전압으로부터 소자를 보호하기 위한 전자 회로 및 그것을 포함하는 전자 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60206307A (ja) * 1984-03-30 1985-10-17 Mitsubishi Electric Corp 電子回路
JPS6148296A (ja) * 1984-08-16 1986-03-08 Mitsubishi Electric Corp 音響装置
US5642074A (en) * 1995-10-13 1997-06-24 National Semiconductor Corporation Amplifier circuit with reduced turn-on and turn-off transients
JP4161545B2 (ja) * 2001-06-07 2008-10-08 サンケン電気株式会社 スイッチングアンプ

Also Published As

Publication number Publication date
JP4349136B2 (ja) 2009-10-21
KR20050077257A (ko) 2005-08-01
CN1649256A (zh) 2005-08-03
JP2005217528A (ja) 2005-08-11
KR100969910B1 (ko) 2010-07-13
TWI358897B (enExample) 2012-02-21
US7161424B2 (en) 2007-01-09
TW200525881A (en) 2005-08-01
US20050162231A1 (en) 2005-07-28

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20090930