KR100804546B1 - 선형성을 개선한 차동 증폭회로 - Google Patents
선형성을 개선한 차동 증폭회로 Download PDFInfo
- Publication number
- KR100804546B1 KR100804546B1 KR1020050078532A KR20050078532A KR100804546B1 KR 100804546 B1 KR100804546 B1 KR 100804546B1 KR 1020050078532 A KR1020050078532 A KR 1020050078532A KR 20050078532 A KR20050078532 A KR 20050078532A KR 100804546 B1 KR100804546 B1 KR 100804546B1
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- South Korea
- Prior art keywords
- transistor
- differential amplifier
- main
- input voltage
- amplifier
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- 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
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- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
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- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45183—Long tailed pairs
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45292—Indexing scheme relating to differential amplifiers the AAC comprising biasing means controlled by the signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington coupled transistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45366—Indexing scheme relating to differential amplifiers the AAC comprising multiple transistors parallel coupled at their gates only, e.g. in a cascode dif amp, only those forming the composite common source transistor
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45374—Indexing scheme relating to differential amplifiers the AAC comprising one or more discrete resistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45544—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors, e.g. coupling capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
또한 설명의 편의상 제1 내지 제7 트랜지스터는 엔모스 전계효과트랜지스터인 경우를 예로 들어 실시예들을 설명한다.
Claims (9)
- 소정의 임피던스 값을 갖는 제1 및 제2 부하단을 포함하는 부하부;상기 부하부와 접지 사이에 설치되어, 제1 입력전압과 제2 입력전압을 차동 증폭하여 출력하는 메인 차동 증폭부;상기 메인 차동 증폭부를 바이어싱하는 메인 바이어스부;전원전압 단자와 상기 메인 바이어스부 사이에 직렬 연결된 소정 크기의 전류구동능력을 갖는 제1 전류원; 및상기 부하부와 상기 접지 사이에 설치되고 상기 메인 차동 증폭부에 연결되어, 상기 제1 입력전압과 상기 제2 입력전압을 차동 증폭하여 출력하는 서브 차동 증폭부;를 포함하고,상기 메인 차동 증폭부와 상기 서브 차동 증폭부의 트랜스컨덕턴스 특성이 상이한, 선형성을 개선한 차동 증폭회로.
- 제1항에 있어서,상기 메인 차동 증폭부는 상기 제1 입력전압이 인가되는 제1 트랜지스터와 상기 제2 입력전압이 인가되는 제2 트랜지스터를 포함하고,상기 제1 트랜지스터와 상기 제2 트랜지스터는 각각 공통 소오스(common-source) 형태로 연결된, 선형성을 개선한 차동 증폭회로.
- 제2항에 있어서,상기 서브 차동 증폭부는 상기 제1 입력전압이 인가되는 제3 트랜지스터와 상기 제2 입력전압이 인가되는 제4 트랜지스터를 포함하고,상기 제3 트랜지스터와 상기 제4 트랜지스터는 각각 공통 소오스(common-source) 형태로 연결된, 선형성을 개선한 차동 증폭회로.
- 제3항에 있어서,상기 제1 트랜지스터와 제3 트랜지스터는 서로 커플 되고, 상기 제2 트랜지스터와 제4 트랜지스터는 서로 커플 되는, 선형성을 개선한 차동 증폭회로.
- 제4항에 있어서,상기 제1 트랜지스터와 제3 트랜지스터의 트랜스컨덕턴스 특성이 상이하고,상기 제2 트랜지스터와 제4 트랜지스터의 트랜스컨덕턴스 특성이 상이한 구조인, 선형성을 개선한 차동 증폭회로.
- 제3항에 있어서,상기 서브 차동 증폭부는 하나 이상의 트랜지스터가 커플 되어 병렬로 구성되는, 선형성을 개선한 차동 증폭회로.
- 제1항에 있어서,상기 메인 바이어스부는 상기 제1 전류원과 접지 사이에 설치된 제5 트랜지스터와 제6 트랜지스터를 포함하고,상기 제5 및 제6 트랜지스터는 각각 공통 소오스 회로로 서로 커플 되는, 선형성을 개선한 차동 증폭회로.
- 제1항에 있어서,상기 서브 차동 증폭부에 연결되어 상기 서브 차동 증폭부를 바이어싱하는 서브 바이어스부를 더 포함하고,상기 서브 바이어스부는공통 소오스 구조로 다이오드 연결된 제7 트랜지스터; 및상기 전원전압 단자와 상기 제7 트랜지스터 사이에 설치된 제2 전류원;을 포함하는, 선형성을 개선한 차동 증폭회로.
- 삭제
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050078532A KR100804546B1 (ko) | 2005-08-26 | 2005-08-26 | 선형성을 개선한 차동 증폭회로 |
| US11/466,751 US7414475B2 (en) | 2005-08-26 | 2006-08-23 | Linearity-improved differential amplification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050078532A KR100804546B1 (ko) | 2005-08-26 | 2005-08-26 | 선형성을 개선한 차동 증폭회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070024046A KR20070024046A (ko) | 2007-03-02 |
| KR100804546B1 true KR100804546B1 (ko) | 2008-02-20 |
Family
ID=37803267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050078532A Expired - Fee Related KR100804546B1 (ko) | 2005-08-26 | 2005-08-26 | 선형성을 개선한 차동 증폭회로 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7414475B2 (ko) |
| KR (1) | KR100804546B1 (ko) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007116569A (ja) * | 2005-10-24 | 2007-05-10 | Niigata Seimitsu Kk | オペアンプの開放利得調整回路 |
| US8228112B2 (en) | 2007-07-13 | 2012-07-24 | International Business Machines Corporation | Switch with reduced insertion loss |
| US7541870B2 (en) * | 2007-10-18 | 2009-06-02 | Broadcom Corporation | Cross-coupled low noise amplifier for cellular applications |
| JP6584718B2 (ja) * | 2017-03-23 | 2019-10-02 | 三菱電機株式会社 | 電流増幅器 |
| TWI696344B (zh) | 2018-11-16 | 2020-06-11 | 財團法人工業技術研究院 | 線性度改善系統及線性度改善方法 |
| KR102734914B1 (ko) | 2019-06-17 | 2024-11-27 | 삼성전자주식회사 | 다이나믹 증폭기 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000244264A (ja) * | 1999-02-24 | 2000-09-08 | Hitachi Ltd | 高周波電力増幅装置 |
| JP2002330039A (ja) * | 2001-02-28 | 2002-11-15 | Sharp Corp | 可変利得増幅器 |
| US6529075B2 (en) * | 2000-08-11 | 2003-03-04 | International Business Machines Corporation | Amplifier with suppression of harmonics |
| KR20030044444A (ko) * | 2001-11-30 | 2003-06-09 | 한국전자통신연구원 | 차동 선형 증폭기 |
| KR20050057321A (ko) * | 2002-09-18 | 2005-06-16 | 소니 가부시끼 가이샤 | 가변 이득 증폭기 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0793544B2 (ja) * | 1992-11-09 | 1995-10-09 | 日本電気株式会社 | 差動回路及び差動増幅回路 |
| JPH088457B2 (ja) * | 1992-12-08 | 1996-01-29 | 日本電気株式会社 | 差動増幅回路 |
| JP2661527B2 (ja) * | 1993-01-27 | 1997-10-08 | 日本電気株式会社 | 差動増幅回路 |
| JP2556293B2 (ja) * | 1994-06-09 | 1996-11-20 | 日本電気株式会社 | Mos ota |
| US5631607A (en) * | 1995-09-06 | 1997-05-20 | Philips Electronics North America Corporation | Compact GM-control for CMOS rail-to-rail input stages by regulating the sum of the gate-source voltages constant |
| JP2000224264A (ja) | 1999-02-02 | 2000-08-11 | Nec Corp | Pmデータ収集装置 |
| US6614302B2 (en) * | 2001-03-12 | 2003-09-02 | Rohm Co., Ltd. | CMOS operational amplifier circuit |
| JP2006522542A (ja) * | 2003-04-04 | 2006-09-28 | 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 | 線形増幅器 |
-
2005
- 2005-08-26 KR KR1020050078532A patent/KR100804546B1/ko not_active Expired - Fee Related
-
2006
- 2006-08-23 US US11/466,751 patent/US7414475B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000244264A (ja) * | 1999-02-24 | 2000-09-08 | Hitachi Ltd | 高周波電力増幅装置 |
| US6529075B2 (en) * | 2000-08-11 | 2003-03-04 | International Business Machines Corporation | Amplifier with suppression of harmonics |
| JP2002330039A (ja) * | 2001-02-28 | 2002-11-15 | Sharp Corp | 可変利得増幅器 |
| KR20030044444A (ko) * | 2001-11-30 | 2003-06-09 | 한국전자통신연구원 | 차동 선형 증폭기 |
| KR20050057321A (ko) * | 2002-09-18 | 2005-06-16 | 소니 가부시끼 가이샤 | 가변 이득 증폭기 |
Non-Patent Citations (2)
| Title |
|---|
| Cancellation of Second-Order Intermodulation Distortion and Enhancement of IIP2 in Common-Source and Common-Emitter RF Transconductors", Vol. 52, NO. 2, Feb. 2005 * |
| Cancellation of Second-Order Intermodulation Distortion and Enhancement of IIP2 in Common-Source and Common-Emitter RF Transconductors. (IEEE) * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070046374A1 (en) | 2007-03-01 |
| KR20070024046A (ko) | 2007-03-02 |
| US7414475B2 (en) | 2008-08-19 |
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