JP4481962B2 - 電源装置、増幅装置、無線装置および再生装置 - Google Patents
電源装置、増幅装置、無線装置および再生装置 Download PDFInfo
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- JP4481962B2 JP4481962B2 JP2006191529A JP2006191529A JP4481962B2 JP 4481962 B2 JP4481962 B2 JP 4481962B2 JP 2006191529 A JP2006191529 A JP 2006191529A JP 2006191529 A JP2006191529 A JP 2006191529A JP 4481962 B2 JP4481962 B2 JP 4481962B2
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- 230000003321 amplification Effects 0.000 title claims description 41
- 238000003199 nucleic acid amplification method Methods 0.000 title claims description 41
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000000284 extract Substances 0.000 claims description 5
- 238000009499 grossing Methods 0.000 description 32
- 230000006641 stabilisation Effects 0.000 description 16
- 238000011105 stabilization Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/007—Control dependent on the supply voltage
-
- 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
-
- 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
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
- H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
-
- 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
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
Description
Claims (6)
- 増幅器に電源を供給する電源装置であって、
前記電源の電圧変動を調節するPFM信号またはPWM信号に基づき前記電源の電圧を安定させるスイッチングレギュレータと、
前記増幅器の入力信号から振幅値情報を取得する振幅取得部と、
前記振幅値情報と該振幅値情報に対応し前記PFM信号またはPWM信号の周波数情報とを記憶した変換テーブルと、
前記振幅取得部により取得された振幅値情報に基づいて前記変換テーブルから対応する前記周波数情報を読み出し、前記読み出した情報に基づいて前記PFM信号またはPWM信号の周波数を制御する制御量決定部と
を具備したことを特徴とする電源装置。 - 前記安定度制御部は、デジタルの入力信号から振幅情報を抽出して前記振幅レベルを取得することを特徴とする請求項1記載の電源装置。
- 入力信号を増幅する増幅部と、
前記増幅部に供給する電源の電圧変動を調節するPFM信号またはPWM信号に基づき前記電源の電圧を安定させるスイッチングレギュレータと、
前記増幅部の入力信号から振幅値情報を取得する振幅取得部と、
前記振幅値情報と該振幅値情報に対応し前記PFM信号またはPWM信号の周波数情報とを記憶した変換テーブルと、
前記振幅取得部により取得された振幅値情報に基づいて前記変換テーブルから対応する前記周波数情報を読み出し、前記読み出した情報に基づいて前記PFM信号またはPWM信号の周波数を制御する制御量決定部と
を具備したことを特徴とする増幅装置。 - 前記安定度制御部は、デジタルの入力信号から振幅情報を抽出して前記振幅レベルを取得することを特徴とする請求項3記載の増幅装置。
- 送信信号を増幅する増幅部と、
前記増幅部に供給する電源の電圧変動を調節するPFM信号またはPWM信号に基づき前記電源の電圧を安定させるスイッチングレギュレータと、
前記送信信号から振幅値情報を取得する振幅取得部と、
前記振幅値情報と該振幅値情報に対応し前記PFM信号またはPWM信号の周波数情報とを記憶した変換テーブルと、
前記振幅取得部により取得された振幅値情報に基づいて前記変換テーブルから対応する前記周波数情報を読み出し、前記読み出した情報に基づいて前記PFM信号またはPWM信号の周波数を制御する制御量決定部と
を具備したことを特徴とする無線装置。 - 再生信号を増幅する増幅部と、
前記増幅部に供給する電源の電圧変動を調節するPFM信号またはPWM信号に基づき前記電源の電圧を安定させるスイッチングレギュレータと、
前記再生信号から振幅値情報を取得する振幅取得部と、
前記振幅値情報と該振幅値情報に対応し前記PFM信号またはPWM信号の周波数情報とを記憶した変換テーブルと、
前記振幅取得部により取得された振幅値情報に基づいて前記変換テーブルから対応する前記周波数情報を読み出し、前記読み出した情報に基づいて前記PFM信号またはPWM信号の周波数を制御する制御量決定部と
を具備したことを特徴とする再生装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006191529A JP4481962B2 (ja) | 2006-07-12 | 2006-07-12 | 電源装置、増幅装置、無線装置および再生装置 |
US11/678,398 US7583149B2 (en) | 2006-07-12 | 2007-02-23 | Power supply apparatus, amplifier apparatus, radio apparatus and reproducing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006191529A JP4481962B2 (ja) | 2006-07-12 | 2006-07-12 | 電源装置、増幅装置、無線装置および再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008022621A JP2008022621A (ja) | 2008-01-31 |
JP4481962B2 true JP4481962B2 (ja) | 2010-06-16 |
Family
ID=38948671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006191529A Active JP4481962B2 (ja) | 2006-07-12 | 2006-07-12 | 電源装置、増幅装置、無線装置および再生装置 |
Country Status (2)
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US (1) | US7583149B2 (ja) |
JP (1) | JP4481962B2 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7859336B2 (en) * | 2007-03-13 | 2010-12-28 | Astec International Limited | Power supply providing ultrafast modulation of output voltage |
US7994761B2 (en) * | 2007-10-08 | 2011-08-09 | Astec International Limited | Linear regulator with RF transistors and a bias adjustment circuit |
US9425747B2 (en) * | 2008-03-03 | 2016-08-23 | Qualcomm Incorporated | System and method of reducing power consumption for audio playback |
US20090323985A1 (en) * | 2008-06-30 | 2009-12-31 | Qualcomm Incorporated | System and method of controlling power consumption in response to volume control |
US7872527B2 (en) * | 2009-03-31 | 2011-01-18 | Qualcomm, Incorporated | Power supply control system and method with variable post-regulation |
US8405456B2 (en) | 2009-03-31 | 2013-03-26 | Quantance, Inc. | High speed power supply system |
WO2011142139A1 (ja) * | 2010-05-14 | 2011-11-17 | パナソニック株式会社 | 増幅装置 |
US8022770B1 (en) | 2010-05-27 | 2011-09-20 | Skyworks Solutions, Inc. | System and method for preventing power amplifier supply voltage saturation |
GB2480687B (en) * | 2010-05-28 | 2018-04-04 | Snaptrack Inc | Power supply pre-distortion |
US8717211B2 (en) | 2010-11-30 | 2014-05-06 | Qualcomm Incorporated | Adaptive gain adjustment system |
US8742843B2 (en) * | 2011-12-19 | 2014-06-03 | Intel Corporation | Power management in transceivers |
WO2013093989A1 (ja) * | 2011-12-19 | 2013-06-27 | 富士通株式会社 | 増幅回路 |
US8890502B2 (en) | 2012-02-17 | 2014-11-18 | Quantance, Inc. | Low-noise, high bandwidth quasi-resonant mode switching power supply |
US8952753B2 (en) | 2012-02-17 | 2015-02-10 | Quantance, Inc. | Dynamic power supply employing a linear driver and a switching regulator |
US9537456B2 (en) | 2012-10-30 | 2017-01-03 | Eta Devices, Inc. | Asymmetric multilevel backoff amplifier with radio-frequency splitter |
US8829993B2 (en) | 2012-10-30 | 2014-09-09 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
US9166536B2 (en) | 2012-10-30 | 2015-10-20 | Eta Devices, Inc. | Transmitter architecture and related methods |
US9768731B2 (en) | 2014-07-23 | 2017-09-19 | Eta Devices, Inc. | Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions |
US9722646B1 (en) * | 2014-12-31 | 2017-08-01 | Physical Optics Corporation | Integrative software radio frequency management system and method for compensation of nonlinear response in radio frequency devices |
US9979421B2 (en) | 2015-03-02 | 2018-05-22 | Eta Devices, Inc. | Digital pre-distortion (DPD) training and calibration system and related techniques |
GB2560045B (en) * | 2017-02-28 | 2019-10-30 | Cirrus Logic Int Semiconductor Ltd | Amplifiers |
US11798978B2 (en) * | 2019-12-06 | 2023-10-24 | Cirrus Logic Inc. | On-chip inductor with audio headphone amplifier |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03250805A (ja) | 1990-02-28 | 1991-11-08 | Toshiba Corp | 多信号増幅器 |
JPH04365226A (ja) | 1991-06-13 | 1992-12-17 | Toshiba Corp | 送信装置および送受信装置 |
JP3198864B2 (ja) | 1995-03-09 | 2001-08-13 | 松下電器産業株式会社 | 送信装置 |
JP3994308B2 (ja) | 2000-10-26 | 2007-10-17 | 株式会社ケンウッド | プリディストーション型歪補償回路 |
JP2002223132A (ja) | 2001-01-29 | 2002-08-09 | Niigata Seimitsu Kk | 音声再生装置および方法 |
US6665525B2 (en) * | 2001-05-29 | 2003-12-16 | Ericsson Inc. | High-level modulation method and apparatus |
JP3976694B2 (ja) | 2003-03-06 | 2007-09-19 | 新電元工業株式会社 | 電源 |
JP3677505B2 (ja) | 2003-06-11 | 2005-08-03 | 東京コイルエンジニアリング株式会社 | スイッチングレギュレータの駆動方法 |
JP2005137172A (ja) | 2003-10-31 | 2005-05-26 | Ricoh Co Ltd | 電源回路 |
JP4608487B2 (ja) * | 2004-04-27 | 2011-01-12 | パナソニック株式会社 | 増幅器、情報通信機器、及び増幅方法 |
JP4553696B2 (ja) | 2004-11-25 | 2010-09-29 | パナソニック株式会社 | 送信機 |
-
2006
- 2006-07-12 JP JP2006191529A patent/JP4481962B2/ja active Active
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2007
- 2007-02-23 US US11/678,398 patent/US7583149B2/en not_active Expired - Fee Related
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Publication number | Publication date |
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JP2008022621A (ja) | 2008-01-31 |
US7583149B2 (en) | 2009-09-01 |
US20080012638A1 (en) | 2008-01-17 |
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