CN1781245B - 用于控制功率放大器的输出功率的方法和设备 - Google Patents
用于控制功率放大器的输出功率的方法和设备 Download PDFInfo
- Publication number
- CN1781245B CN1781245B CN200480011772.XA CN200480011772A CN1781245B CN 1781245 B CN1781245 B CN 1781245B CN 200480011772 A CN200480011772 A CN 200480011772A CN 1781245 B CN1781245 B CN 1781245B
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- China
- Prior art keywords
- power
- voltage
- circuit
- power amplifier
- output
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 abstract description 17
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 17
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Images
Classifications
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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
- H03F1/02—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
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/004—Control by varying the supply voltage
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/471—Indexing scheme relating to amplifiers the voltage being sensed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/481—A resistor being used as sensor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/78—A comparator being used in a controlling circuit of an amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/378,779 US6897730B2 (en) | 2003-03-04 | 2003-03-04 | Method and apparatus for controlling the output power of a power amplifier |
US10/378,779 | 2003-03-04 | ||
PCT/US2004/006475 WO2004079900A1 (en) | 2003-03-04 | 2004-03-03 | Method and apparatus for controlling the output power of a power amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1781245A CN1781245A (zh) | 2006-05-31 |
CN1781245B true CN1781245B (zh) | 2010-05-26 |
Family
ID=32926554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480011772.XA Expired - Fee Related CN1781245B (zh) | 2003-03-04 | 2004-03-03 | 用于控制功率放大器的输出功率的方法和设备 |
Country Status (5)
Country | Link |
---|---|
US (3) | US6897730B2 (zh) |
EP (1) | EP1599937A4 (zh) |
CN (1) | CN1781245B (zh) |
TW (1) | TWI351170B (zh) |
WO (1) | WO2004079900A1 (zh) |
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CN102332873A (zh) * | 2011-07-15 | 2012-01-25 | 唯捷创芯(天津)电子技术有限公司 | 一种用于移动终端功放的功率控制电路 |
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CN104750160B (zh) * | 2013-12-30 | 2017-05-24 | 国民技术股份有限公司 | 功率放大器输出功率控制电路 |
EP3142925B1 (en) | 2014-05-14 | 2023-09-06 | California Institute of Technology | Large-scale space-based solar power station: power transmission using steerable beams |
EP3149777B1 (en) | 2014-06-02 | 2024-02-14 | California Institute of Technology | Large-scale space-based solar power station: efficient power generation tiles |
CN104617885B (zh) * | 2014-11-20 | 2018-11-27 | 北京唯捷创芯电子技术有限公司 | 一种用于移动终端功率放大器的功率控制方法及其装置 |
CN104698333A (zh) * | 2015-03-23 | 2015-06-10 | 广州播博科技有限公司 | 功放负载故障的检测、应对方法及装置 |
EP3325347B1 (en) | 2015-07-22 | 2021-06-16 | California Institute of Technology | Large-area structures for compact packaging |
US10992253B2 (en) | 2015-08-10 | 2021-04-27 | California Institute Of Technology | Compactable power generation arrays |
EP3334655B1 (en) * | 2015-08-10 | 2021-03-24 | California Institute of Technology | Systems and methods for performing shape estimation using sun sensors in large-scale space-based solar power stations |
US11634240B2 (en) | 2018-07-17 | 2023-04-25 | California Institute Of Technology | Coilable thin-walled longerons and coilable structures implementing longerons and methods for their manufacture and coiling |
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CN115767375B (zh) * | 2022-11-18 | 2023-05-09 | 北京元晟科技有限公司 | 功放控制电路及方法 |
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JP2006180049A (ja) * | 2004-12-21 | 2006-07-06 | Yamaha Corp | ディジタルアンプ |
-
2003
- 2003-03-04 US US10/378,779 patent/US6897730B2/en not_active Expired - Lifetime
-
2004
- 2004-03-03 CN CN200480011772.XA patent/CN1781245B/zh not_active Expired - Fee Related
- 2004-03-03 EP EP04716910A patent/EP1599937A4/en not_active Withdrawn
- 2004-03-03 TW TW093105472A patent/TWI351170B/zh not_active IP Right Cessation
- 2004-03-03 WO PCT/US2004/006475 patent/WO2004079900A1/en active Application Filing
- 2004-06-30 US US10/880,962 patent/US7106137B2/en not_active Expired - Lifetime
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2006
- 2006-08-30 US US11/468,324 patent/US7551032B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5497125A (en) * | 1993-06-02 | 1996-03-05 | Vtech Communications, Ltd. | Current sense circuit apparatus for power amplifier control |
US5789984A (en) * | 1995-11-01 | 1998-08-04 | Roke Manor Research Limited | RF power amplifiers |
CN1373929A (zh) * | 1999-09-09 | 2002-10-09 | 艾利森电话股份有限公司 | 放大器 |
Also Published As
Publication number | Publication date |
---|---|
EP1599937A4 (en) | 2008-09-03 |
WO2004079900A1 (en) | 2004-09-16 |
US7106137B2 (en) | 2006-09-12 |
US20070063774A1 (en) | 2007-03-22 |
US6897730B2 (en) | 2005-05-24 |
CN1781245A (zh) | 2006-05-31 |
US20040174218A1 (en) | 2004-09-09 |
TW200501562A (en) | 2005-01-01 |
TWI351170B (en) | 2011-10-21 |
US7551032B2 (en) | 2009-06-23 |
US20050030100A1 (en) | 2005-02-10 |
EP1599937A1 (en) | 2005-11-30 |
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