CN102893519A - Ab类放大器 - Google Patents
Ab类放大器 Download PDFInfo
- Publication number
- CN102893519A CN102893519A CN2011800198286A CN201180019828A CN102893519A CN 102893519 A CN102893519 A CN 102893519A CN 2011800198286 A CN2011800198286 A CN 2011800198286A CN 201180019828 A CN201180019828 A CN 201180019828A CN 102893519 A CN102893519 A CN 102893519A
- Authority
- CN
- China
- Prior art keywords
- terminal
- transistor
- inductor
- communicated
- electric capacity
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 description 41
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/265—Push-pull amplifiers; Phase-splitters therefor with field-effect transistors only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/191—Tuned amplifiers
-
- 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
-
- 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
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21131—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the input bias voltage of a power amplifier being controlled, e.g. by a potentiometer or an emitter follower
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510188804.3A CN104796095B (zh) | 2010-03-09 | 2011-03-09 | Ab类放大器 |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31216710P | 2010-03-09 | 2010-03-09 | |
US61/312,167 | 2010-03-09 | ||
US13/044,183 US8378750B2 (en) | 2010-03-09 | 2011-03-09 | Class AB amplifiers |
US13/044,183 | 2011-03-09 | ||
PCT/US2011/027756 WO2011112720A1 (en) | 2010-03-09 | 2011-03-09 | Class ab amplifiers |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510188804.3A Division CN104796095B (zh) | 2010-03-09 | 2011-03-09 | Ab类放大器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102893519A true CN102893519A (zh) | 2013-01-23 |
CN102893519B CN102893519B (zh) | 2016-01-27 |
Family
ID=44559408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180019828.6A Expired - Fee Related CN102893519B (zh) | 2010-03-09 | 2011-03-09 | Ab类放大器 |
Country Status (6)
Country | Link |
---|---|
US (3) | US8378750B2 (zh) |
EP (3) | EP2736168B1 (zh) |
JP (1) | JP5823990B2 (zh) |
KR (2) | KR101820499B1 (zh) |
CN (1) | CN102893519B (zh) |
WO (1) | WO2011112720A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105940603A (zh) * | 2014-01-30 | 2016-09-14 | 高通股份有限公司 | 变压器反馈压控振荡器(vco) |
CN107683566A (zh) * | 2015-07-01 | 2018-02-09 | 日本电信电话株式会社 | 放大器 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102893519B (zh) * | 2010-03-09 | 2016-01-27 | 马维尔国际贸易有限公司 | Ab类放大器 |
WO2012088523A1 (en) | 2010-12-23 | 2012-06-28 | Marvell Asia Pte, Ltd. | Techniques to improve the stress issue in cascode power amplifier design |
WO2012088517A1 (en) * | 2010-12-23 | 2012-06-28 | Marvell World Trade Ltd | Cmos push-pull power amplifier with even-harmonic cancellation |
US8866555B2 (en) * | 2012-08-29 | 2014-10-21 | Cambridge Silicon Radio Limited | Power amplifier with variable output impedance |
US9312060B2 (en) | 2012-09-20 | 2016-04-12 | Marvell World Trade Ltd. | Transformer circuits having transformers with figure eight and double figure eight nested structures |
US9473067B2 (en) | 2014-04-11 | 2016-10-18 | Qualcomm Incorporated | Reducing mismatch caused by power/ground routing in multi-core VCO structure |
US9543916B2 (en) | 2014-06-19 | 2017-01-10 | Project Ft, Inc. | Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith |
US20160036136A1 (en) * | 2014-08-01 | 2016-02-04 | Qualcomm Incorporated | Multiple polarization electromagnetic wave circuits and methods |
WO2016112125A1 (en) | 2015-01-06 | 2016-07-14 | Project Ft, Inc. | Memoryless common-mode insensitive and low pulling vco |
EP3243273A4 (en) * | 2015-01-06 | 2018-10-17 | Ethertronics, Inc. | Memoryless common-mode insensitive and low pulling vco |
CN109155609B (zh) * | 2016-01-06 | 2020-06-02 | Avx安泰纳股份有限公司 | 无记忆共模不敏感的和低牵引的压控振荡器 |
US10447218B1 (en) * | 2018-07-16 | 2019-10-15 | Realtek Semiconductor Corp. | Hybrid differential amplifier and method thereof |
CN111464193B (zh) * | 2020-02-26 | 2021-11-23 | 熊猫电子集团有限公司 | 一种1.25kW短波功放装置 |
KR20220072030A (ko) | 2020-11-23 | 2022-06-02 | 삼성전자주식회사 | 증폭기 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235288A (en) * | 1991-02-19 | 1993-08-10 | Telefunken Electronic Gmbh | Amplifier stage for low-resistance ac voltage sources |
US20060132242A1 (en) * | 2004-12-21 | 2006-06-22 | Seon-Ho Han | Low noise amplifier for wideband tunable matching |
US7215201B2 (en) * | 2005-06-20 | 2007-05-08 | Texas Instruments Norway As | Integrated circuit having a low power, gain-enhanced, low noise amplifying circuit |
US20080079494A1 (en) * | 2006-09-26 | 2008-04-03 | Farbod Aram | Broadband low noise amplifier |
CN101847972A (zh) * | 2009-03-27 | 2010-09-29 | 富士通株式会社 | 放大器电路以及收发机 |
CN101951226A (zh) * | 2010-09-09 | 2011-01-19 | 华东师范大学 | 一种锗化硅双极-互补金属氧化物半导体ab类功率放大器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3559086A (en) * | 1969-03-26 | 1971-01-26 | Western Electric Co | Bipolar voltage amplifier |
DE2917275C2 (de) | 1979-04-27 | 1981-06-04 | Siemens AG, 1000 Berlin und 8000 München | Wechselspannungsverstärkerschaltung mit mehreren in Gate-(Basis-)Schaltung betriebenen Halbleiterverstärkerelementen |
JPS57138823A (en) | 1981-02-18 | 1982-08-27 | Nippon Denso Co | Charge display unit |
DE4340799A1 (de) * | 1993-11-25 | 1995-06-01 | Sehring Audio Systeme Gmbh | Mehrstufiger gleichspannungsgekoppelter Verstärker |
US6781459B1 (en) * | 2003-04-24 | 2004-08-24 | Omega Reception Technologies, Inc. | Circuit for improved differential amplifier and other applications |
US8081032B1 (en) * | 2006-09-26 | 2011-12-20 | Project Ft, Inc. | Broadband LNA with filter |
US8731506B2 (en) * | 2008-07-28 | 2014-05-20 | Marvell World Trade Ltd. | Complementary low noise transductor with active single ended to differential signal conversion |
US8058938B2 (en) * | 2009-04-30 | 2011-11-15 | Project Ft, Inc. | Voltage controlled oscillator |
CN102893519B (zh) * | 2010-03-09 | 2016-01-27 | 马维尔国际贸易有限公司 | Ab类放大器 |
-
2011
- 2011-03-09 CN CN201180019828.6A patent/CN102893519B/zh not_active Expired - Fee Related
- 2011-03-09 WO PCT/US2011/027756 patent/WO2011112720A1/en active Application Filing
- 2011-03-09 EP EP20130192544 patent/EP2736168B1/en not_active Not-in-force
- 2011-03-09 JP JP2012557217A patent/JP5823990B2/ja not_active Expired - Fee Related
- 2011-03-09 US US13/044,183 patent/US8378750B2/en active Active
- 2011-03-09 KR KR1020177020070A patent/KR101820499B1/ko active IP Right Grant
- 2011-03-09 EP EP20110709572 patent/EP2545645B1/en not_active Not-in-force
- 2011-03-09 EP EP14177087.5A patent/EP2804315B1/en not_active Not-in-force
- 2011-03-09 KR KR1020127026182A patent/KR101762300B1/ko active IP Right Grant
-
2013
- 2013-02-18 US US13/769,700 patent/US8736374B2/en not_active Expired - Fee Related
-
2014
- 2014-05-20 US US14/282,219 patent/US9099969B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235288A (en) * | 1991-02-19 | 1993-08-10 | Telefunken Electronic Gmbh | Amplifier stage for low-resistance ac voltage sources |
US20060132242A1 (en) * | 2004-12-21 | 2006-06-22 | Seon-Ho Han | Low noise amplifier for wideband tunable matching |
US7215201B2 (en) * | 2005-06-20 | 2007-05-08 | Texas Instruments Norway As | Integrated circuit having a low power, gain-enhanced, low noise amplifying circuit |
US20080079494A1 (en) * | 2006-09-26 | 2008-04-03 | Farbod Aram | Broadband low noise amplifier |
CN101847972A (zh) * | 2009-03-27 | 2010-09-29 | 富士通株式会社 | 放大器电路以及收发机 |
CN101951226A (zh) * | 2010-09-09 | 2011-01-19 | 华东师范大学 | 一种锗化硅双极-互补金属氧化物半导体ab类功率放大器 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105940603A (zh) * | 2014-01-30 | 2016-09-14 | 高通股份有限公司 | 变压器反馈压控振荡器(vco) |
CN107683566A (zh) * | 2015-07-01 | 2018-02-09 | 日本电信电话株式会社 | 放大器 |
US10892716B2 (en) | 2015-07-01 | 2021-01-12 | Nippon Telegraph And Telephone Corporation | Amplifier |
CN107683566B (zh) * | 2015-07-01 | 2021-08-20 | 日本电信电话株式会社 | 放大器 |
Also Published As
Publication number | Publication date |
---|---|
CN102893519B (zh) | 2016-01-27 |
US20110221530A1 (en) | 2011-09-15 |
US20140253238A1 (en) | 2014-09-11 |
EP2545645A1 (en) | 2013-01-16 |
JP2013522967A (ja) | 2013-06-13 |
WO2011112720A4 (en) | 2011-11-10 |
US20130154743A1 (en) | 2013-06-20 |
EP2736168B1 (en) | 2015-05-06 |
KR101762300B1 (ko) | 2017-07-28 |
EP2736168A1 (en) | 2014-05-28 |
KR20170088436A (ko) | 2017-08-01 |
KR101820499B1 (ko) | 2018-01-19 |
US9099969B2 (en) | 2015-08-04 |
EP2804315B1 (en) | 2016-06-01 |
JP5823990B2 (ja) | 2015-11-25 |
US8736374B2 (en) | 2014-05-27 |
EP2804315A2 (en) | 2014-11-19 |
US8378750B2 (en) | 2013-02-19 |
KR20130004327A (ko) | 2013-01-09 |
WO2011112720A1 (en) | 2011-09-15 |
EP2545645B1 (en) | 2015-01-07 |
EP2804315A3 (en) | 2015-01-14 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200427 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200427 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200427 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 |
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CF01 | Termination of patent right due to non-payment of annual fee |