MX2016002460A - Determinacion del punto de funcionamiento de etapa amplificadora. - Google Patents
Determinacion del punto de funcionamiento de etapa amplificadora.Info
- Publication number
- MX2016002460A MX2016002460A MX2016002460A MX2016002460A MX2016002460A MX 2016002460 A MX2016002460 A MX 2016002460A MX 2016002460 A MX2016002460 A MX 2016002460A MX 2016002460 A MX2016002460 A MX 2016002460A MX 2016002460 A MX2016002460 A MX 2016002460A
- Authority
- MX
- Mexico
- Prior art keywords
- working point
- amplifying stage
- amplifier circuit
- predistortion
- stage
- Prior art date
Links
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
- H03F1/02—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
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty 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
- H03F1/3282—Acting on the phase and the amplitude of the input signal
-
- 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
- H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
-
- 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
- H03F3/193—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- 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
- H03F2203/20—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
Abstract
La presente invención se refiere a un circuito amplificador que incluye una etapa amplificadora y una etapa de predistorsión. El circuito amplificador envía una señal de salida Xo. La etapa de predistorsión se configura para proporcionar una señal de predistorsión Xp a añadirse a una señal de entrada Xin del circuito amplificador con objeto de compensar las no linealidades de dicha etapa amplificadora. De acuerdo con la presente invención, el circuito amplificador incluye una unidad de punto de funcionamiento configurada para determinar un punto de funcionamiento adcuado WPsuitable a utilizarse para dicha etapa amplificadora con base en dicha señal de predistorsión Xp, y para ajustar un punto de funcionamiento real WPactual que es utilizado por dicha etapa amplificadora hacia dicho punto de funcionamiento adecuado WPsuitable.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1350989 | 2013-08-28 | ||
PCT/SE2014/050985 WO2015030663A1 (en) | 2013-08-28 | 2014-08-27 | Amplifying stage working point determination |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2016002460A true MX2016002460A (es) | 2016-08-17 |
Family
ID=51589489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016002460A MX2016002460A (es) | 2013-08-28 | 2014-08-27 | Determinacion del punto de funcionamiento de etapa amplificadora. |
Country Status (8)
Country | Link |
---|---|
US (1) | US9948245B2 (es) |
EP (1) | EP3039783A1 (es) |
KR (1) | KR20160048120A (es) |
CA (1) | CA2921898C (es) |
HK (1) | HK1223746A1 (es) |
MX (1) | MX2016002460A (es) |
TW (1) | TW201608821A (es) |
WO (1) | WO2015030663A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11036262B1 (en) * | 2008-01-14 | 2021-06-15 | Micro Mobio Corporation | Radio frequency power amplifier with adjacent channel leakage correction circuit |
US9860052B2 (en) * | 2015-07-30 | 2018-01-02 | National Instruments Corporation | Digital predistortion for full-duplex radio |
DE102017210759B4 (de) * | 2017-06-27 | 2019-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Adaptive Verstärkerschaltung zur Optimierung des Wirkungsgrades eines Kommunikations-Front-End |
US11133834B2 (en) | 2019-03-07 | 2021-09-28 | Samsung Electronics Co., Ltd. | Device and method of compensating for nonlinearity of power amplifier |
US11515617B1 (en) | 2019-04-03 | 2022-11-29 | Micro Mobio Corporation | Radio frequency active antenna system in a package |
JP2021184526A (ja) * | 2020-05-21 | 2021-12-02 | 住友電気工業株式会社 | ドハティ増幅器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6600369B2 (en) | 2001-12-07 | 2003-07-29 | Motorola, Inc. | Wideband linear amplifier with predistortion error correction |
JP4091047B2 (ja) * | 2002-10-31 | 2008-05-28 | 深▲川▼市中▲興▼通▲訊▼股▲分▼有限公司 | 広帯域プリディストーション線形化の方法およびシステム |
JP4417174B2 (ja) * | 2004-05-19 | 2010-02-17 | 株式会社日立国際電気 | プリディストータ |
WO2007046370A1 (ja) * | 2005-10-17 | 2007-04-26 | Hitachi Kokusai Electric Inc. | 非線形歪検出方法及び歪補償増幅装置 |
US7755429B2 (en) | 2007-02-16 | 2010-07-13 | Microelectronics Technology Inc. | System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in RF power amplifiers |
US7619468B1 (en) * | 2008-09-30 | 2009-11-17 | Nortel Networks Limited | Doherty amplifier with drain bias supply modulation |
US8706062B1 (en) * | 2008-12-19 | 2014-04-22 | Scintera Networks, Inc. | Self-adaptive power amplification |
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 |
US8542768B2 (en) * | 2009-12-21 | 2013-09-24 | Dali Systems Co. Ltd. | High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications |
JP2012034134A (ja) | 2010-07-29 | 2012-02-16 | Sumitomo Electric Device Innovations Inc | 増幅器 |
US8908751B2 (en) * | 2011-02-28 | 2014-12-09 | Intel Mobile Communications GmbH | Joint adaptive bias point adjustment and digital pre-distortion for power amplifier |
US8824978B2 (en) * | 2012-10-30 | 2014-09-02 | Eta Devices, Inc. | RF amplifier architecture and related techniques |
US9438186B2 (en) * | 2014-04-30 | 2016-09-06 | Freescale Semiconductor, Inc. | Power amplifier with envelope injection |
-
2014
- 2014-08-27 US US14/915,250 patent/US9948245B2/en active Active
- 2014-08-27 MX MX2016002460A patent/MX2016002460A/es unknown
- 2014-08-27 EP EP14771975.1A patent/EP3039783A1/en not_active Withdrawn
- 2014-08-27 CA CA2921898A patent/CA2921898C/en not_active Expired - Fee Related
- 2014-08-27 WO PCT/SE2014/050985 patent/WO2015030663A1/en active Application Filing
- 2014-08-27 KR KR1020167007493A patent/KR20160048120A/ko not_active Application Discontinuation
-
2015
- 2015-02-25 TW TW104106019A patent/TW201608821A/zh unknown
-
2016
- 2016-10-12 HK HK16111771.4A patent/HK1223746A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP3039783A1 (en) | 2016-07-06 |
HK1223746A1 (zh) | 2017-08-04 |
US20160211810A1 (en) | 2016-07-21 |
KR20160048120A (ko) | 2016-05-03 |
TW201608821A (zh) | 2016-03-01 |
US9948245B2 (en) | 2018-04-17 |
CA2921898A1 (en) | 2015-03-05 |
CA2921898C (en) | 2019-12-31 |
WO2015030663A1 (en) | 2015-03-05 |
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