CN1578126B - 无平衡变压器放大系统 - Google Patents
无平衡变压器放大系统 Download PDFInfo
- Publication number
- CN1578126B CN1578126B CN200410049196XA CN200410049196A CN1578126B CN 1578126 B CN1578126 B CN 1578126B CN 200410049196X A CN200410049196X A CN 200410049196XA CN 200410049196 A CN200410049196 A CN 200410049196A CN 1578126 B CN1578126 B CN 1578126B
- Authority
- CN
- China
- Prior art keywords
- voltage
- mentioned
- input
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- 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
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
- H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
-
- 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
-
- 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
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP180629/03 | 2003-06-25 | ||
JP2003180629A JP4307157B2 (ja) | 2003-06-25 | 2003-06-25 | Btlアンプシステム |
JP180629/2003 | 2003-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1578126A CN1578126A (zh) | 2005-02-09 |
CN1578126B true CN1578126B (zh) | 2010-12-08 |
Family
ID=33535174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200410049196XA Expired - Fee Related CN1578126B (zh) | 2003-06-25 | 2004-06-25 | 无平衡变压器放大系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7095275B2 (zh) |
JP (1) | JP4307157B2 (zh) |
KR (1) | KR20050001317A (zh) |
CN (1) | CN1578126B (zh) |
TW (1) | TWI287351B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100698332B1 (ko) * | 2005-02-04 | 2007-03-23 | 삼성전자주식회사 | 이득제어 증폭기 |
JP4683468B2 (ja) * | 2005-03-22 | 2011-05-18 | ルネサスエレクトロニクス株式会社 | 高周波電力増幅回路 |
JP4961163B2 (ja) * | 2006-05-08 | 2012-06-27 | ラピスセミコンダクタ株式会社 | 直流結合増幅回路 |
KR100929953B1 (ko) * | 2006-07-07 | 2009-12-04 | 야마하 가부시키가이샤 | 오프셋 전압 보정 회로 및 d급 증폭기 |
JP4234159B2 (ja) * | 2006-08-04 | 2009-03-04 | シャープ株式会社 | オフセット補正装置、半導体装置および表示装置ならびにオフセット補正方法 |
US8098087B1 (en) * | 2007-03-05 | 2012-01-17 | Altera Corporation | Method and apparatus for standby voltage offset cancellation |
EP2075910A1 (en) | 2007-12-28 | 2009-07-01 | Varian B.V. | Instrumentation amplification with input offset adjustment |
DE102012213092B3 (de) * | 2012-07-25 | 2013-08-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Übertragungsvorrichtung und Sensor-System |
JP6545998B2 (ja) * | 2015-04-24 | 2019-07-17 | ローム株式会社 | オーディオ回路、それを用いた車載用オーディオ装置、オーディオコンポーネント装置、電子機器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752744A (en) * | 1986-06-06 | 1988-06-21 | Kabushiki Kaisha Toshiba | Balanced transformer-less amplifier circuit |
JP2000174571A (ja) * | 1998-12-04 | 2000-06-23 | Pioneer Electronic Corp | Btl増幅装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5061900A (en) | 1989-06-19 | 1991-10-29 | Raytheon Company | Self-zeroing amplifier |
JPH05335850A (ja) | 1992-06-02 | 1993-12-17 | Fujitsu Ltd | Btlアンプ |
DE10023114A1 (de) * | 2000-05-11 | 2001-11-29 | Infineon Technologies Ag | Verstärkerschaltung mit Offset-Kompensation, insbesondere für digitale Modulationseinrichtungen |
US6724248B2 (en) * | 2001-04-24 | 2004-04-20 | Tripath Technology, Inc. | DC offset self-calibration system for a digital switching amplifier |
-
2003
- 2003-06-25 JP JP2003180629A patent/JP4307157B2/ja not_active Expired - Fee Related
-
2004
- 2004-06-07 KR KR1020040041278A patent/KR20050001317A/ko not_active Application Discontinuation
- 2004-06-14 TW TW093117035A patent/TWI287351B/zh not_active IP Right Cessation
- 2004-06-21 US US10/870,956 patent/US7095275B2/en not_active Expired - Fee Related
- 2004-06-25 CN CN200410049196XA patent/CN1578126B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752744A (en) * | 1986-06-06 | 1988-06-21 | Kabushiki Kaisha Toshiba | Balanced transformer-less amplifier circuit |
JP2000174571A (ja) * | 1998-12-04 | 2000-06-23 | Pioneer Electronic Corp | Btl増幅装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2005020232A (ja) | 2005-01-20 |
TW200501560A (en) | 2005-01-01 |
TWI287351B (en) | 2007-09-21 |
CN1578126A (zh) | 2005-02-09 |
US20040263243A1 (en) | 2004-12-30 |
US7095275B2 (en) | 2006-08-22 |
JP4307157B2 (ja) | 2009-08-05 |
KR20050001317A (ko) | 2005-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: RENESAS ELECTRONICS CO., LTD. Free format text: FORMER OWNER: RENESAS TECHNOLOGY CORP. Effective date: 20100925 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20100925 Address after: Kawasaki, Kanagawa, Japan Applicant after: Renesas Electronics Corporation Co-applicant after: Renesas Electronic Components Design Corporation Address before: Tokyo, Japan, Japan Applicant before: Renesas Technology Corp. Co-applicant before: Renesas Electronic Components Design Corporation |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20140625 |
|
EXPY | Termination of patent right or utility model |