JP3881448B2 - 電力増幅回路 - Google Patents

電力増幅回路 Download PDF

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Publication number
JP3881448B2
JP3881448B2 JP08707598A JP8707598A JP3881448B2 JP 3881448 B2 JP3881448 B2 JP 3881448B2 JP 08707598 A JP08707598 A JP 08707598A JP 8707598 A JP8707598 A JP 8707598A JP 3881448 B2 JP3881448 B2 JP 3881448B2
Authority
JP
Japan
Prior art keywords
power supply
output
supply line
amplifier
circuit
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
JP08707598A
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English (en)
Japanese (ja)
Other versions
JPH11284450A5 (cg-RX-API-DMAC10.html
JPH11284450A (ja
Inventor
博巳 日下部
博幸 鶴見
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP08707598A priority Critical patent/JP3881448B2/ja
Priority to KR1019990007047A priority patent/KR100340193B1/ko
Priority to US09/275,258 priority patent/US6107886A/en
Publication of JPH11284450A publication Critical patent/JPH11284450A/ja
Publication of JPH11284450A5 publication Critical patent/JPH11284450A5/ja
Application granted granted Critical
Publication of JP3881448B2 publication Critical patent/JP3881448B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Stereophonic System (AREA)
JP08707598A 1998-03-31 1998-03-31 電力増幅回路 Expired - Fee Related JP3881448B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP08707598A JP3881448B2 (ja) 1998-03-31 1998-03-31 電力増幅回路
KR1019990007047A KR100340193B1 (ko) 1998-03-31 1999-03-04 전력 증폭 회로
US09/275,258 US6107886A (en) 1998-03-31 1999-03-23 High-efficiency power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08707598A JP3881448B2 (ja) 1998-03-31 1998-03-31 電力増幅回路

Publications (3)

Publication Number Publication Date
JPH11284450A JPH11284450A (ja) 1999-10-15
JPH11284450A5 JPH11284450A5 (cg-RX-API-DMAC10.html) 2005-04-07
JP3881448B2 true JP3881448B2 (ja) 2007-02-14

Family

ID=13904837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP08707598A Expired - Fee Related JP3881448B2 (ja) 1998-03-31 1998-03-31 電力増幅回路

Country Status (3)

Country Link
US (1) US6107886A (cg-RX-API-DMAC10.html)
JP (1) JP3881448B2 (cg-RX-API-DMAC10.html)
KR (1) KR100340193B1 (cg-RX-API-DMAC10.html)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003536339A (ja) * 2000-06-23 2003-12-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ デュアルブリッジ増幅器
US7167569B1 (en) * 2000-10-25 2007-01-23 National Semiconductor Corporation Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
JP2002345064A (ja) * 2001-05-21 2002-11-29 Niigata Seimitsu Kk 音声出力アンプ
JP2002345078A (ja) * 2001-05-21 2002-11-29 Niigata Seimitsu Kk 音声出力アンプ
US6621349B2 (en) * 2001-11-07 2003-09-16 International Business Machines Corporation Power supply noise compensation amplifier
US6590447B1 (en) 2002-04-02 2003-07-08 Bae Systems Information And Electronic Systems Integration Inc. Precision bridge amplifier
US7023983B2 (en) * 2003-12-30 2006-04-04 Qualcomm Incorporated Versatile circuit for interfacing with audio headsets
JP4393245B2 (ja) 2004-03-30 2010-01-06 株式会社東芝 電力増幅器
US7359686B2 (en) * 2005-02-16 2008-04-15 Microtune (Texas), L.P. Radio-frequency amplifier system
KR20070096126A (ko) 2006-01-13 2007-10-02 삼성전자주식회사 전자 간섭을 감소시키는 전력 증폭회로
US7548178B2 (en) * 2006-03-10 2009-06-16 Nvidia Corporation Method and apparatus for ADC size and performance optimization
US9300261B2 (en) * 2006-03-10 2016-03-29 Nvidia Corporation Method and apparatus for efficient load biasing
US8081777B2 (en) 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation Volume-based adaptive biasing
US20070236295A1 (en) * 2006-03-21 2007-10-11 Leadis Technology, Inc. FM Power Amplifier With Antenna Power Control
US7408414B2 (en) * 2006-03-21 2008-08-05 Leadis Technology, Inc. Distributed class G type amplifier switching method
US8081785B2 (en) 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation High efficiency converter providing switching amplifier bias
US20070285176A1 (en) * 2006-03-21 2007-12-13 Leadis Technology, Inc. Phase-Slipping Phase-Locked Loop
US7498880B2 (en) * 2006-03-21 2009-03-03 Leadis Technology, Inc. Class L amplifier
US7522433B2 (en) * 2006-03-21 2009-04-21 Fairchild Semiconductor Corporation Efficient voltage rail generation
US8179372B1 (en) 2007-10-01 2012-05-15 Integrated Device Technology, Inc. Electronic display with array context-sensitive search (ACS) technology
US7733178B1 (en) 2007-10-24 2010-06-08 Fairchild Semiconductor Corporation High efficiency audio amplifier
US7750732B1 (en) 2007-12-04 2010-07-06 Fairchild Semiconductor Corporation Adaptive rail amplifier (ARA) technology
KR101120629B1 (ko) 2008-04-18 2012-03-19 페어차일드 세미컨덕터 코포레이션 증폭기 전류 구동 반전
US8233301B1 (en) 2008-12-20 2012-07-31 Sensorlink Corporation Impedance dropping dc power supply having an impedance controlled converter
US8212620B2 (en) * 2009-08-28 2012-07-03 Rockford Corporation Boosted-rail amplifier
JP5498998B2 (ja) 2011-08-12 2014-05-21 株式会社東芝 電力増幅回路
ITMI20121624A1 (it) * 2012-09-28 2014-03-29 St Microelectronics Srl Amplificatore in classe "g" e sistema audio impiegante l'amplificatore
JP6360453B2 (ja) 2015-03-16 2018-07-18 株式会社東芝 電力増幅装置
KR20160142034A (ko) * 2015-06-02 2016-12-12 삼성전자주식회사 음성처리장치 및 그 제어방법
US9729177B2 (en) * 2015-09-30 2017-08-08 Skyworks Solutions, Inc. Power amplifier die configurations having reduced radiated emissions
JP6866637B2 (ja) * 2016-12-27 2021-04-28 ヤマハ株式会社 増幅器
JP7288415B2 (ja) 2020-03-23 2023-06-07 株式会社東芝 電力増幅装置
CN112421962B (zh) * 2020-11-03 2022-04-05 深圳第三代半导体研究院 一种具有部分功率调节功能的两级dc-dc变换器
EP4047802A1 (en) * 2021-02-17 2022-08-24 Schaffner EMV AG Emi active filter
JP7657687B2 (ja) 2021-09-22 2025-04-07 株式会社東芝 電力増幅装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479134A (en) * 1993-09-20 1995-12-26 Rohm Co., Ltd. Power amplifier circuit for audio signal and audio device using the same
EP0706260B1 (en) * 1994-10-07 2002-01-16 STMicroelectronics S.r.l. High efficiency bridge amplifier
DE19525411A1 (de) * 1995-07-12 1997-01-16 Philips Patentverwaltung Signalverstärker
JP3986105B2 (ja) * 1996-10-31 2007-10-03 三洋電機株式会社 電力増幅装置
JPH10150334A (ja) * 1996-11-19 1998-06-02 Sanyo Electric Co Ltd 電力増幅装置
JPH11136039A (ja) * 1997-10-31 1999-05-21 Sanyo Electric Co Ltd 電力増幅装置
JP3253573B2 (ja) * 1997-10-31 2002-02-04 三洋電機株式会社 Ｂｔｌ増幅回路

Also Published As

Publication number Publication date
US6107886A (en) 2000-08-22
KR100340193B1 (ko) 2002-06-12
KR19990077573A (ko) 1999-10-25
JPH11284450A (ja) 1999-10-15

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