CN102651634A - 对于功率放大器的联合的自适应偏置点调整和数字预失真 - Google Patents
对于功率放大器的联合的自适应偏置点调整和数字预失真 Download PDFInfo
- Publication number
- CN102651634A CN102651634A CN2012100472874A CN201210047287A CN102651634A CN 102651634 A CN102651634 A CN 102651634A CN 2012100472874 A CN2012100472874 A CN 2012100472874A CN 201210047287 A CN201210047287 A CN 201210047287A CN 102651634 A CN102651634 A CN 102651634A
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- quality factor
- adaptive
- distortion
- biased
- transmission chain
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- 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
- H03F1/0244—Stepped control
- H03F1/0255—Stepped control by using a signal derived from the output signal
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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
- H03F1/0277—Selecting one or more amplifiers from a plurality of 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
- H03F1/24—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively in discharge-tube 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
-
- 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
- H03F3/21—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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- 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
- 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
-
- 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7215—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch at the input of the amplifier
-
- 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7236—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers by (a ) switch(es)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/036,758 US8908751B2 (en) | 2011-02-28 | 2011-02-28 | Joint adaptive bias point adjustment and digital pre-distortion for power amplifier |
US13/036758 | 2011-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102651634A true CN102651634A (zh) | 2012-08-29 |
CN102651634B CN102651634B (zh) | 2015-05-20 |
Family
ID=46635366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210047287.4A Active CN102651634B (zh) | 2011-02-28 | 2012-02-28 | 对于功率放大器的联合的自适应偏置点调整和数字预失真 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8908751B2 (zh) |
KR (1) | KR101289983B1 (zh) |
CN (1) | CN102651634B (zh) |
DE (1) | DE102012202992A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107612856A (zh) * | 2017-10-10 | 2018-01-19 | 京信通信系统(中国)有限公司 | 一种数字预失真处理方法及装置 |
CN108988802A (zh) * | 2017-06-02 | 2018-12-11 | 深圳宇臻集成电路科技有限公司 | 预失真电路 |
CN109478869A (zh) * | 2016-07-04 | 2019-03-15 | 诺基亚通信公司 | 线性化多天线系统中的功率放大器的输出 |
CN110912624A (zh) * | 2019-11-01 | 2020-03-24 | 维沃移动通信有限公司 | 数字预失真处理方法和电子设备 |
CN114640560A (zh) * | 2022-03-29 | 2022-06-17 | Oppo广东移动通信有限公司 | 信号处理方法及装置、基带装置、终端设备 |
US11818581B2 (en) * | 2022-04-15 | 2023-11-14 | Qualcomm Incorporated | L1 security by adding artificial AM/PM |
Families Citing this family (34)
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US11036262B1 (en) * | 2008-01-14 | 2021-06-15 | Micro Mobio Corporation | Radio frequency power amplifier with adjacent channel leakage correction circuit |
US20110250853A1 (en) * | 2010-04-09 | 2011-10-13 | Andrea Camuffo | Operating point setting of an amplifier |
US8736365B2 (en) * | 2010-11-01 | 2014-05-27 | Empower RF Systems, Inc. | Broadband linearization module and method |
KR20130043425A (ko) * | 2011-10-20 | 2013-04-30 | 삼성전자주식회사 | 입력 레벨에 따라 메모리 차수를 달리하는 디지털 전치 왜곡 방법 및 장치 |
US9059702B2 (en) * | 2012-07-07 | 2015-06-16 | Skyworks Solutions, Inc. | Switch linearization by non-linear compensation of a field-effect transistor |
US10147724B2 (en) | 2012-07-07 | 2018-12-04 | Skyworks Solutions, Inc. | Feed-forward circuit to improve intermodulation distortion performance of radio-frequency switch |
US20140250309A1 (en) * | 2013-03-01 | 2014-09-04 | Qualcomm Incorporated | Predictive self calibrated power control |
MX2016002460A (es) | 2013-08-28 | 2016-08-17 | Deltanode Solutions Ab | Determinacion del punto de funcionamiento de etapa amplificadora. |
US10333474B2 (en) * | 2014-05-19 | 2019-06-25 | Skyworks Solutions, Inc. | RF transceiver front end module with improved linearity |
CN114710122A (zh) | 2015-08-14 | 2022-07-05 | 维尔塞特公司 | 数字动态偏置电路 |
US9590668B1 (en) | 2015-11-30 | 2017-03-07 | NanoSemi Technologies | Digital compensator |
US10142943B2 (en) * | 2016-06-14 | 2018-11-27 | Qualcomm Incorporated | Techniques and apparatuses for peak to average ratio (PAR) based power management |
US9923524B2 (en) * | 2016-07-20 | 2018-03-20 | Qualcomm Incorporated | Digital pre-distortion for multi-antenna systems |
WO2018067969A1 (en) | 2016-10-07 | 2018-04-12 | Nanosemi, Inc. | Beam steering digital predistortion |
KR20190121825A (ko) | 2017-02-25 | 2019-10-28 | 나노세미, 인크. | 멀티밴드 디지털 전치왜곡기 |
US11368175B2 (en) * | 2017-03-07 | 2022-06-21 | Qorvo Us, Inc. | Radio frequency control circuit |
US10141961B1 (en) | 2017-05-18 | 2018-11-27 | Nanosemi, Inc. | Passive intermodulation cancellation |
US11115067B2 (en) | 2017-06-09 | 2021-09-07 | Nanosemi, Inc. | Multi-band linearization system |
US10581470B2 (en) | 2017-06-09 | 2020-03-03 | Nanosemi, Inc. | Linearization system |
US10931318B2 (en) * | 2017-06-09 | 2021-02-23 | Nanosemi, Inc. | Subsampled linearization system |
WO2019014422A1 (en) | 2017-07-12 | 2019-01-17 | Nanosemi, Inc. | SYSTEMS AND METHODS FOR CONTROLLING RADIOS MADE WITH DIGITAL PREDISTORSION |
US11303251B2 (en) * | 2017-10-02 | 2022-04-12 | Nanosemi, Inc. | Digital predistortion adjustment based on determination of load condition characteristics |
US10644657B1 (en) | 2018-05-11 | 2020-05-05 | Nanosemi, Inc. | Multi-band digital compensator for a non-linear system |
JP2021523629A (ja) | 2018-05-11 | 2021-09-02 | ナノセミ, インク.Nanosemi, Inc. | 非線形システム用デジタル補償器 |
US10931238B2 (en) | 2018-05-25 | 2021-02-23 | Nanosemi, Inc. | Linearization with envelope tracking or average power tracking |
US10763904B2 (en) | 2018-05-25 | 2020-09-01 | Nanosemi, Inc. | Digital predistortion in varying operating conditions |
US11863210B2 (en) | 2018-05-25 | 2024-01-02 | Nanosemi, Inc. | Linearization with level tracking |
KR102582479B1 (ko) | 2019-01-03 | 2023-09-25 | 삼성전자주식회사 | 무선 주파수 신호를 처리하는 모듈을 조절하기 위한 전자 장치 |
US11515617B1 (en) | 2019-04-03 | 2022-11-29 | Micro Mobio Corporation | Radio frequency active antenna system in a package |
CN110768645B (zh) * | 2019-09-03 | 2023-08-01 | 西安电子科技大学 | 一种反双曲正切预失真电路、跨导器及gm-c低通滤波器 |
US10992326B1 (en) | 2020-05-19 | 2021-04-27 | Nanosemi, Inc. | Buffer management for adaptive digital predistortion |
US11316482B2 (en) * | 2020-06-18 | 2022-04-26 | Silicon Laboratories Inc. | Radio frequency power amplifier adaptive digital pre-distortion |
US20240187024A1 (en) * | 2021-03-31 | 2024-06-06 | Telefonaktiebolaget Lm Ericsson (Publ) | A radio transmitter with adaptive power amplifier and digital to analog converter configuration |
US11984916B2 (en) | 2021-09-24 | 2024-05-14 | Qualcomm Incorporated | Transmission setting selection |
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CN1214824A (zh) * | 1996-03-28 | 1999-04-21 | 北方电讯有限公司 | 判定光放大器故障的方法 |
CN101635697A (zh) * | 2009-08-04 | 2010-01-27 | 京信通信系统(中国)有限公司 | 一种发射机及发射机处理信号的方法 |
US20100159856A1 (en) * | 2008-12-22 | 2010-06-24 | Kabushiki Kaisha Toshiba | Distortion compensator, distortion compensation method, and transmitter |
CN101764582A (zh) * | 2008-12-24 | 2010-06-30 | 三星电机株式会社 | 用于功率放大器的自混合自适应偏置电路的系统和方法 |
CN101764580A (zh) * | 2008-12-11 | 2010-06-30 | 三星电机株式会社 | 用于差分功率放大器的自适应偏置电路的系统和方法 |
JP2010154459A (ja) * | 2008-12-26 | 2010-07-08 | Hitachi Kokusai Electric Inc | 高周波増幅装置 |
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DE10120514A1 (de) | 2001-04-26 | 2002-10-31 | Siemens Ag | Schaltungsanordnung und Verfahren zur Arbeitspunkteinstellung eines Leistungsverstärkers |
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KR101124116B1 (ko) * | 2004-02-13 | 2012-03-21 | 더 리전트 오브 더 유니버시티 오브 캘리포니아 | 증폭기용 적응형 바이어스 전류 회로 및 방법 |
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2011
- 2011-02-28 US US13/036,758 patent/US8908751B2/en active Active
-
2012
- 2012-02-27 KR KR1020120019694A patent/KR101289983B1/ko active IP Right Grant
- 2012-02-28 DE DE102012202992A patent/DE102012202992A1/de not_active Ceased
- 2012-02-28 CN CN201210047287.4A patent/CN102651634B/zh active Active
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109478869A (zh) * | 2016-07-04 | 2019-03-15 | 诺基亚通信公司 | 线性化多天线系统中的功率放大器的输出 |
CN109478869B (zh) * | 2016-07-04 | 2022-11-15 | 诺基亚通信公司 | 线性化多天线系统中的功率放大器的输出 |
CN108988802A (zh) * | 2017-06-02 | 2018-12-11 | 深圳宇臻集成电路科技有限公司 | 预失真电路 |
CN107612856A (zh) * | 2017-10-10 | 2018-01-19 | 京信通信系统(中国)有限公司 | 一种数字预失真处理方法及装置 |
CN110912624A (zh) * | 2019-11-01 | 2020-03-24 | 维沃移动通信有限公司 | 数字预失真处理方法和电子设备 |
CN114640560A (zh) * | 2022-03-29 | 2022-06-17 | Oppo广东移动通信有限公司 | 信号处理方法及装置、基带装置、终端设备 |
CN114640560B (zh) * | 2022-03-29 | 2024-03-08 | Oppo广东移动通信有限公司 | 信号处理方法及装置、基带装置、终端设备 |
US11818581B2 (en) * | 2022-04-15 | 2023-11-14 | Qualcomm Incorporated | L1 security by adding artificial AM/PM |
Also Published As
Publication number | Publication date |
---|---|
DE102012202992A1 (de) | 2012-08-30 |
CN102651634B (zh) | 2015-05-20 |
KR101289983B1 (ko) | 2013-08-07 |
KR20120098506A (ko) | 2012-09-05 |
US8908751B2 (en) | 2014-12-09 |
US20120219048A1 (en) | 2012-08-30 |
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