JP5742186B2 - 増幅装置 - Google Patents
増幅装置 Download PDFInfo
- Publication number
- JP5742186B2 JP5742186B2 JP2010259700A JP2010259700A JP5742186B2 JP 5742186 B2 JP5742186 B2 JP 5742186B2 JP 2010259700 A JP2010259700 A JP 2010259700A JP 2010259700 A JP2010259700 A JP 2010259700A JP 5742186 B2 JP5742186 B2 JP 5742186B2
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- Japan
- Prior art keywords
- unit
- drain voltage
- signal
- value
- input signal
- 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.)
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Classifications
-
- 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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- 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
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3224—Predistortion being done for compensating memory effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Description
2 ベースバンド信号発生装置
3 S/P変換器
4 増幅装置
5 DAC
6 直交変調部
7 電力増幅部
8 方向性結合部
9 アンテナ
10 ドレイン電圧制御部
11 ダウンコンバータ
12 ADC
13 歪補償部
14 ドレイン電圧補正部
15 ENV抽出部
16 制御信号生成部
17 DVC
18 結合部
19、20 遅延調整部
21 差分演算器
22 演算回路
23 アドレス生成部
24 LUT
25 乗算部
26 アドレス生成部
27 演算回路
28 補正制御信号生成部
29 補正用DVC
Claims (3)
- ドレイン電圧の電圧値に基づいて入力信号を増幅し送信信号を出力する第1増幅部と、
該入力信号の電力振幅に対応した、該入力信号の電力振幅と該第1増幅部から出力される該送信信号の電力振幅との差分値に基づいて該入力信号の電力振幅を補正する歪補償部と、
補正前の入力信号の電力振幅に基づいて該ドレイン電圧を生成するドレイン電圧制御部と、
該差分値に基づいて該ドレイン電圧を補正するために、
該入力信号の電力振幅値を出力するアドレス生成部と、
該差分値と該入力信号の電力振幅に基づいて該第一増幅部の利得を演算し、記憶された目標の利得値に対応する該ドレイン電圧を補正するための補正係数を演算する演算部と、
該演算部で演算された該補正係数を演算時の該差分値に対応する該第一増幅部の電力振幅値と共に記憶し、該アドレス生成部から出力される電力振幅値に応じて該補正係数を出力する補正制御信号生成部と、
該補正制御信号生成部から出力された該補正係数を増幅し該ドレイン電圧を補正する補正値を生成する第2増幅部を有するドレイン電圧補正部と
を有することを特徴とする増幅装置。 - 該ドレイン電圧補正部は、該差分値が所定値以下になるまで該歪補償部によって該入力信号の電力振幅を補正する歪補償処理を実行した後、該ドレイン電圧の補正処理を開始することを特徴とする請求項1に記載の増幅装置。
- 該第2増幅部の増幅度は該ドレイン電圧制御部の増幅度よりも小さいことを特徴とする請求項2に記載の増幅装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010259700A JP5742186B2 (ja) | 2010-11-22 | 2010-11-22 | 増幅装置 |
US13/234,285 US8558616B2 (en) | 2010-11-22 | 2011-09-16 | Amplifying apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010259700A JP5742186B2 (ja) | 2010-11-22 | 2010-11-22 | 増幅装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012114529A JP2012114529A (ja) | 2012-06-14 |
JP5742186B2 true JP5742186B2 (ja) | 2015-07-01 |
Family
ID=46063802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010259700A Expired - Fee Related JP5742186B2 (ja) | 2010-11-22 | 2010-11-22 | 増幅装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8558616B2 (ja) |
JP (1) | JP5742186B2 (ja) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9112452B1 (en) | 2009-07-14 | 2015-08-18 | Rf Micro Devices, Inc. | High-efficiency power supply for a modulated load |
GB2479579B (en) * | 2010-04-15 | 2017-12-06 | Snaptrack Inc | Timing alignment for modulated supply |
US8981848B2 (en) | 2010-04-19 | 2015-03-17 | Rf Micro Devices, Inc. | Programmable delay circuitry |
US9431974B2 (en) | 2010-04-19 | 2016-08-30 | Qorvo Us, Inc. | Pseudo-envelope following feedback delay compensation |
EP3376667B1 (en) | 2010-04-19 | 2021-07-28 | Qorvo US, Inc. | Pseudo-envelope following power management system |
US9099961B2 (en) | 2010-04-19 | 2015-08-04 | Rf Micro Devices, Inc. | Output impedance compensation of a pseudo-envelope follower power management system |
WO2012047738A1 (en) | 2010-09-29 | 2012-04-12 | Rf Micro Devices, Inc. | SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS |
SG189467A1 (en) | 2010-10-20 | 2013-05-31 | Aviat Networks Inc | Systems and methods for improved power yield and linearization in radio frequency transmitters |
US9075673B2 (en) | 2010-11-16 | 2015-07-07 | Rf Micro Devices, Inc. | Digital fast dB to gain multiplier for envelope tracking systems |
CN103444076B (zh) | 2011-02-07 | 2016-05-04 | 射频小型装置公司 | 用于功率放大器包络跟踪的群延迟校准方法 |
US9247496B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power loop control based envelope tracking |
US9246460B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power management architecture for modulated and constant supply operation |
US9379667B2 (en) | 2011-05-05 | 2016-06-28 | Rf Micro Devices, Inc. | Multiple power supply input parallel amplifier based envelope tracking |
WO2012166992A1 (en) | 2011-05-31 | 2012-12-06 | Rf Micro Devices, Inc. | Rugged iq receiver based rf gain measurements |
US9019011B2 (en) | 2011-06-01 | 2015-04-28 | Rf Micro Devices, Inc. | Method of power amplifier calibration for an envelope tracking system |
US8760228B2 (en) | 2011-06-24 | 2014-06-24 | Rf Micro Devices, Inc. | Differential power management and power amplifier architecture |
WO2013012787A2 (en) | 2011-07-15 | 2013-01-24 | Rf Micro Devices, Inc. | Modified switching ripple for envelope tracking system |
US8952710B2 (en) | 2011-07-15 | 2015-02-10 | Rf Micro Devices, Inc. | Pulsed behavior modeling with steady state average conditions |
US9263996B2 (en) | 2011-07-20 | 2016-02-16 | Rf Micro Devices, Inc. | Quasi iso-gain supply voltage function for envelope tracking systems |
CN103858338B (zh) | 2011-09-02 | 2016-09-07 | 射频小型装置公司 | 用于包络跟踪的分离vcc和共同vcc功率管理架构 |
US8957728B2 (en) | 2011-10-06 | 2015-02-17 | Rf Micro Devices, Inc. | Combined filter and transconductance amplifier |
WO2013063387A2 (en) | 2011-10-26 | 2013-05-02 | Rf Micro Devices, Inc. | Inductance based parallel amplifier phase compensation |
US9024688B2 (en) | 2011-10-26 | 2015-05-05 | Rf Micro Devices, Inc. | Dual parallel amplifier based DC-DC converter |
US9294041B2 (en) | 2011-10-26 | 2016-03-22 | Rf Micro Devices, Inc. | Average frequency control of switcher for envelope tracking |
US9484797B2 (en) | 2011-10-26 | 2016-11-01 | Qorvo Us, Inc. | RF switching converter with ripple correction |
US9515621B2 (en) | 2011-11-30 | 2016-12-06 | Qorvo Us, Inc. | Multimode RF amplifier system |
US8975959B2 (en) * | 2011-11-30 | 2015-03-10 | Rf Micro Devices, Inc. | Monotonic conversion of RF power amplifier calibration data |
US9250643B2 (en) | 2011-11-30 | 2016-02-02 | Rf Micro Devices, Inc. | Using a switching signal delay to reduce noise from a switching power supply |
US9256234B2 (en) | 2011-12-01 | 2016-02-09 | Rf Micro Devices, Inc. | Voltage offset loop for a switching controller |
US9280163B2 (en) | 2011-12-01 | 2016-03-08 | Rf Micro Devices, Inc. | Average power tracking controller |
US9041365B2 (en) | 2011-12-01 | 2015-05-26 | Rf Micro Devices, Inc. | Multiple mode RF power converter |
US8947161B2 (en) | 2011-12-01 | 2015-02-03 | Rf Micro Devices, Inc. | Linear amplifier power supply modulation for envelope tracking |
US9494962B2 (en) | 2011-12-02 | 2016-11-15 | Rf Micro Devices, Inc. | Phase reconfigurable switching power supply |
US9813036B2 (en) | 2011-12-16 | 2017-11-07 | Qorvo Us, Inc. | Dynamic loadline power amplifier with baseband linearization |
US9298198B2 (en) | 2011-12-28 | 2016-03-29 | Rf Micro Devices, Inc. | Noise reduction for envelope tracking |
US8981839B2 (en) | 2012-06-11 | 2015-03-17 | Rf Micro Devices, Inc. | Power source multiplexer |
US9020451B2 (en) | 2012-07-26 | 2015-04-28 | Rf Micro Devices, Inc. | Programmable RF notch filter for envelope tracking |
US9225231B2 (en) | 2012-09-14 | 2015-12-29 | Rf Micro Devices, Inc. | Open loop ripple cancellation circuit in a DC-DC converter |
US9197256B2 (en) | 2012-10-08 | 2015-11-24 | Rf Micro Devices, Inc. | Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal |
WO2014062902A1 (en) | 2012-10-18 | 2014-04-24 | Rf Micro Devices, Inc | Transitioning from envelope tracking to average power tracking |
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 |
US9627975B2 (en) | 2012-11-16 | 2017-04-18 | Qorvo Us, Inc. | Modulated power supply system and method with automatic transition between buck and boost modes |
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US9300252B2 (en) | 2013-01-24 | 2016-03-29 | Rf Micro Devices, Inc. | Communications based adjustments of a parallel amplifier power supply |
US9178472B2 (en) | 2013-02-08 | 2015-11-03 | Rf Micro Devices, Inc. | Bi-directional power supply signal based linear amplifier |
US9197162B2 (en) | 2013-03-14 | 2015-11-24 | Rf Micro Devices, Inc. | Envelope tracking power supply voltage dynamic range reduction |
US9203353B2 (en) | 2013-03-14 | 2015-12-01 | Rf Micro Devices, Inc. | Noise conversion gain limited RF power amplifier |
US9479118B2 (en) | 2013-04-16 | 2016-10-25 | Rf Micro Devices, Inc. | Dual instantaneous envelope tracking |
JP2015032979A (ja) * | 2013-08-02 | 2015-02-16 | 富士通株式会社 | 歪補償装置および歪補償方法 |
US9374005B2 (en) | 2013-08-13 | 2016-06-21 | Rf Micro Devices, Inc. | Expanded range DC-DC converter |
US9614476B2 (en) | 2014-07-01 | 2017-04-04 | Qorvo Us, Inc. | Group delay calibration of RF envelope tracking |
US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
US9843294B2 (en) | 2015-07-01 | 2017-12-12 | Qorvo Us, Inc. | Dual-mode envelope tracking power converter circuitry |
CN106953608B (zh) * | 2016-01-06 | 2019-05-21 | 昱盛电子股份有限公司 | 功率放大装置 |
US9973147B2 (en) | 2016-05-10 | 2018-05-15 | Qorvo Us, Inc. | Envelope tracking power management circuit |
US10476437B2 (en) | 2018-03-15 | 2019-11-12 | Qorvo Us, Inc. | Multimode voltage tracker circuit |
US11689166B2 (en) | 2021-02-04 | 2023-06-27 | Analog Devices International Unlimited Company | Circuitry for reducing distortion over a wide frequency range |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2834304B2 (ja) | 1990-10-19 | 1998-12-09 | 松下電器産業株式会社 | 線形電力増幅回路 |
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
EP1264395B1 (en) | 2000-03-10 | 2003-09-10 | Paragon Communications Ltd. | Improved method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio |
US6300826B1 (en) * | 2000-05-05 | 2001-10-09 | Ericsson Telefon Ab L M | Apparatus and method for efficiently amplifying wideband envelope signals |
JP3726038B2 (ja) | 2001-06-22 | 2005-12-14 | Necモバイリング株式会社 | プリディストーション形リニアライザ及びそのアラーム検出方法 |
JP4199181B2 (ja) | 2004-01-27 | 2008-12-17 | パナソニック株式会社 | 送信装置及び無線通信装置 |
JP4767583B2 (ja) | 2004-06-29 | 2011-09-07 | パナソニック株式会社 | 歪補償回路 |
US7706467B2 (en) * | 2004-12-17 | 2010-04-27 | Andrew Llc | Transmitter with an envelope tracking power amplifier utilizing digital predistortion of the signal envelope |
JP5003134B2 (ja) * | 2006-01-10 | 2012-08-15 | 日本電気株式会社 | 増幅装置 |
EP2037587B1 (en) | 2006-06-23 | 2015-01-07 | Panasonic Corporation | Transmission circuit and communication device |
JP2008078702A (ja) | 2006-09-19 | 2008-04-03 | Fujitsu Ltd | 増幅器故障検出装置 |
JP5022792B2 (ja) | 2007-07-02 | 2012-09-12 | 株式会社日立国際電気 | Dcdcコンバータユニット、電力増幅器、及び基地局装置 |
JP5206526B2 (ja) | 2009-03-19 | 2013-06-12 | 富士通株式会社 | 増幅装置および送信装置 |
-
2010
- 2010-11-22 JP JP2010259700A patent/JP5742186B2/ja not_active Expired - Fee Related
-
2011
- 2011-09-16 US US13/234,285 patent/US8558616B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2012114529A (ja) | 2012-06-14 |
US8558616B2 (en) | 2013-10-15 |
US20120126898A1 (en) | 2012-05-24 |
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