CN102904532A - 传送电路、调节偏压的方法及适配偏压信息提供的方法 - Google Patents
传送电路、调节偏压的方法及适配偏压信息提供的方法 Download PDFInfo
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- CN102904532A CN102904532A CN2012102629269A CN201210262926A CN102904532A CN 102904532 A CN102904532 A CN 102904532A CN 2012102629269 A CN2012102629269 A CN 2012102629269A CN 201210262926 A CN201210262926 A CN 201210262926A CN 102904532 A CN102904532 A CN 102904532A
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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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- 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
- 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
-
- 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
-
- 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
- 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
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- 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
-
- 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
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete amplifier
-
- 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
- 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
-
- 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
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/191,685 | 2011-07-27 | ||
US13/191,685 US8761698B2 (en) | 2011-07-27 | 2011-07-27 | Transmit circuit, method for adjusting a bias of a power amplifier and method for adapting the provision of a bias information |
US13/191685 | 2011-07-27 |
Publications (2)
Publication Number | Publication Date |
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CN102904532A true CN102904532A (zh) | 2013-01-30 |
CN102904532B CN102904532B (zh) | 2016-06-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210262926.9A Active CN102904532B (zh) | 2011-07-27 | 2012-07-27 | 传送电路、调节偏压的方法及适配偏压信息提供的方法 |
Country Status (3)
Country | Link |
---|---|
US (3) | US8761698B2 (zh) |
CN (1) | CN102904532B (zh) |
DE (1) | DE102012213096A1 (zh) |
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CN104020812A (zh) * | 2013-02-28 | 2014-09-03 | 英特尔移动通信有限责任公司 | 包络跟踪***和校准包络跟踪功率放大器供给电压的方法 |
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CN105247829A (zh) * | 2013-05-01 | 2016-01-13 | 三星电子株式会社 | 用于包络跟踪校准的设备和方法 |
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US11496101B2 (en) | 2014-05-19 | 2022-11-08 | Skyworks Solutions, Inc. | RF transceiver front end module with improved linearity |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8716984B2 (en) * | 2009-06-29 | 2014-05-06 | Advanced Energy Industries, Inc. | Method and apparatus for modifying the sensitivity of an electrical generator to a nonlinear load |
US8712355B2 (en) * | 2011-08-30 | 2014-04-29 | Motorola Mobility Llc | Antenna tuning on an impedance trajectory |
US20130195219A1 (en) * | 2012-01-27 | 2013-08-01 | Research In Motion Limited | Mobile wireless communications device with selective power amplifier control and related methods |
US20140029683A1 (en) * | 2012-07-26 | 2014-01-30 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-Band Observation Receiver |
US9560541B2 (en) * | 2012-09-25 | 2017-01-31 | Nec Corporation | Wireless transmission device, VSWR determination device, and VSWR determination method |
JPWO2014050721A1 (ja) * | 2012-09-26 | 2016-08-22 | シャープ株式会社 | 増幅装置および増幅装置を搭載した無線通信装置 |
US9680434B2 (en) * | 2012-12-28 | 2017-06-13 | Mediatek, Inc. | Method and apparatus for calibrating an envelope tracking system |
US9325355B2 (en) * | 2013-02-14 | 2016-04-26 | Blackberry Limited | Methods and apparatus for performing impedance matching |
US20140241462A1 (en) * | 2013-02-26 | 2014-08-28 | Nvidia Corporation | Circuit and method for envelope tracking and envelope-tracking transmitter for radio-frequency transmission |
US9093960B2 (en) | 2013-07-24 | 2015-07-28 | Crestcom, Inc. | Transmitter and method with RF power amplifier having predistorted bias |
WO2015006441A2 (en) * | 2013-07-11 | 2015-01-15 | Crestcom, Inc. | Transmitter and method with rf power amplifier having stabilized bias |
US9031520B2 (en) | 2013-07-11 | 2015-05-12 | Crestcom, Inc. | Transmitter and method with RF power amplifier having control loop stabilized bias |
KR20150040088A (ko) * | 2013-10-04 | 2015-04-14 | 삼성전자주식회사 | 전력 증폭 장치 및 방법 |
US9455669B2 (en) * | 2013-10-11 | 2016-09-27 | Skyworks Solutions, Inc. | Apparatus and methods for phase compensation in power amplifiers |
KR102177811B1 (ko) * | 2014-01-10 | 2020-11-11 | 삼성전자주식회사 | 전력 증폭 장치 및 방법 |
US20150236877A1 (en) * | 2014-02-14 | 2015-08-20 | Mediatek Inc. | Methods and apparatus for envelope tracking system |
US9520907B2 (en) * | 2014-02-16 | 2016-12-13 | Mediatek Inc. | Methods and apparatus for envelope tracking system |
US9203346B2 (en) * | 2014-02-24 | 2015-12-01 | Futurewei Technologies, Inc. | Load current sensor for envelope tracking modulator |
DE102014204673A1 (de) * | 2014-03-13 | 2015-09-17 | Hochschule Ruhr West | Verfahren und System zur energieoptimierten Übertragung von Daten in einem leitungsgebundenen (multi carrier modulation - MCM) - Übertragungssystem |
JP2016001865A (ja) * | 2014-05-21 | 2016-01-07 | パナソニックIpマネジメント株式会社 | 検波校正回路及び送信装置 |
US9876515B2 (en) * | 2014-06-05 | 2018-01-23 | Nokia Technologies Oy | Adaptive transmitter efficiency optimization |
US9602464B2 (en) | 2014-12-12 | 2017-03-21 | Intel Corporation | Apparatus, system and method for allocating identifiers to components of a control system |
US9559434B2 (en) * | 2014-12-12 | 2017-01-31 | Intel Corporation | Method for closed-loop tuner in a receiver antenna |
US9893684B2 (en) | 2015-02-15 | 2018-02-13 | Skyworks Solutions, Inc. | Radio-frequency power amplifiers driven by boost converter |
US9838058B2 (en) * | 2015-02-15 | 2017-12-05 | Skyworks Solutions, Inc. | Power amplification system with variable supply voltage |
JP2016149743A (ja) * | 2015-02-15 | 2016-08-18 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | 整合ネットワークの排除によりサイズが低減された電力増幅器 |
US9998241B2 (en) * | 2015-02-19 | 2018-06-12 | Mediatek Inc. | Envelope tracking (ET) closed-loop on-the-fly calibration |
US9634776B1 (en) * | 2015-03-19 | 2017-04-25 | Amazon Technologies, Inc. | Adapting envelope tracking parameters to operating conditions of mobile communication device |
US9571135B2 (en) | 2015-03-20 | 2017-02-14 | Intel IP Corporation | Adjusting power amplifier stimuli based on output signals |
US9806676B2 (en) * | 2015-07-28 | 2017-10-31 | Skyworks Solutions, Inc. | Power amplification system with programmable load line |
WO2017020255A1 (en) * | 2015-08-04 | 2017-02-09 | Nokia Technologies Oy | Method and apparatus for power amplification |
WO2017062427A1 (en) * | 2015-10-05 | 2017-04-13 | Skyworks Solutions, Inc. | Power amplification system with adaptive bias control |
US11201595B2 (en) * | 2015-11-24 | 2021-12-14 | Skyworks Solutions, Inc. | Cascode power amplifier with switchable output matching network |
US9774716B2 (en) * | 2015-12-28 | 2017-09-26 | Skyworks Solutions, Inc. | Overstress indicator |
US10523292B2 (en) | 2016-07-21 | 2019-12-31 | Motorola Mobility Llc | Closed loop tuning operation with antenna switching |
EP3504765A1 (en) | 2016-08-26 | 2019-07-03 | NuCurrent, Inc. | Wireless connector system |
JP2018042100A (ja) | 2016-09-07 | 2018-03-15 | 株式会社村田製作所 | 送信モジュール及び送受信モジュール |
EP3300257A1 (en) * | 2016-09-21 | 2018-03-28 | Intel IP Corporation | Method and circuit for determining a setting of an impedance matching circuit |
CN106569539B (zh) * | 2016-10-31 | 2018-04-17 | 努比亚技术有限公司 | 一种偏置电压补偿的方法及装置、终端 |
US10447318B2 (en) * | 2017-02-03 | 2019-10-15 | The Regents Of The University Of Michigan | Low power high gain radio frequency amplifier for sensor apparatus |
CN110537327A (zh) * | 2017-03-30 | 2019-12-03 | 英特尔公司 | 分布式前馈包络跟踪*** |
US10666200B2 (en) | 2017-04-04 | 2020-05-26 | Skyworks Solutions, Inc. | Apparatus and methods for bias switching of power amplifiers |
US10141961B1 (en) | 2017-05-18 | 2018-11-27 | Nanosemi, Inc. | Passive intermodulation cancellation |
US10448328B2 (en) | 2017-06-16 | 2019-10-15 | Apple Inc. | Wireless communications systems with envelope tracking capabilities |
US10805130B2 (en) | 2017-09-12 | 2020-10-13 | Intel IP Corporation | Signal cancellation system and method |
WO2019070573A1 (en) * | 2017-10-02 | 2019-04-11 | Nanosemi, Inc. | DIGITAL PREDISTORSION ADJUSTMENT BASED ON DETERMINATION OF CHARGE CHARACTERISTICS |
US10523260B2 (en) * | 2017-12-22 | 2019-12-31 | Commscope Technologies Llc | Base station antennas having transmitters and receivers therein that support time division duplexing (TDD) with enhanced bias control for high speed switching |
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US10411659B2 (en) | 2018-01-25 | 2019-09-10 | Cree, Inc. | RF power amplifier with frequency selective impedance matching network |
US11018628B2 (en) * | 2018-03-31 | 2021-05-25 | Skyworks Solutions, Inc. | Antenna impedance prediction via power amplifier parameter |
US11863210B2 (en) | 2018-05-25 | 2024-01-02 | Nanosemi, Inc. | Linearization with level tracking |
CN109302155B (zh) * | 2018-09-12 | 2022-06-21 | 博流智能科技(南京)有限公司 | 深ab类功率放大器的前馈式幅度线性化方法及电路 |
US11304071B2 (en) * | 2018-09-24 | 2022-04-12 | Qualcomm Incorporated | Radio control based on operational performance feedback |
CN112202508B (zh) | 2019-07-08 | 2022-09-27 | 中兴通讯股份有限公司 | 一种无线信号性能调整装置及方法和无线通信终端 |
US11121731B2 (en) | 2019-08-26 | 2021-09-14 | Intel Corporation | Digital radio head control |
US10965255B1 (en) | 2019-10-30 | 2021-03-30 | Psemi Corporation | Overvoltage protection for power amplifier with soft shutdown |
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US11777544B2 (en) * | 2021-05-28 | 2023-10-03 | Skyworks Solutions, Inc. | Power amplifier power detection for initiating retraining of digital pre-distortion |
US11711120B1 (en) * | 2022-04-29 | 2023-07-25 | Qualcomm Incorporated | Power adjustment to align transmit chain power ratios |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1682440A (zh) * | 2002-09-17 | 2005-10-12 | 皇家飞利浦电子股份有限公司 | 保持rf功率放大器的线性 |
CN2788449Y (zh) * | 2005-04-13 | 2006-06-14 | 朗弗科技股份有限公司 | 射频功率放大器偏压电路 |
US20090096533A1 (en) * | 2007-10-16 | 2009-04-16 | Paul Susanne A | Adaptively tuned rf power amplifier |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5216379A (en) * | 1992-06-26 | 1993-06-01 | Hamley James P | Dynamic bias amplifier |
GB2370435A (en) * | 2000-12-22 | 2002-06-26 | Nokia Mobile Phones Ltd | A polar loop transmitter for a mobile phone |
US6639471B2 (en) * | 2001-04-16 | 2003-10-28 | Matsushita Electric Industrial Co., Ltd. | Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication |
US6725021B1 (en) | 2002-06-20 | 2004-04-20 | Motorola, Inc. | Method for tuning an envelope tracking amplification system |
US6762647B1 (en) | 2002-08-09 | 2004-07-13 | Triquint Semiconductor, Inc. | Active protection circuit for load mismatched power amplifier |
KR100565284B1 (ko) * | 2003-07-30 | 2006-03-30 | 엘지전자 주식회사 | 이동통신단말기의 송신장치 |
US7372918B2 (en) * | 2003-09-30 | 2008-05-13 | Infineon Technologies Ag | Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device |
US20050111574A1 (en) | 2003-09-30 | 2005-05-26 | Jan-Erik Muller | Transmission device with digital predistortion, and method for regulating predistortion in a transmission device |
US7276973B2 (en) | 2005-06-29 | 2007-10-02 | Skyworks Solutions, Inc. | Automatic bias control circuit for linear power amplifiers |
US7440731B2 (en) | 2005-07-27 | 2008-10-21 | Freescale Semiconductor, Inc. | Power amplifier with VSWR detection and correction feature |
US8085869B2 (en) | 2008-02-14 | 2011-12-27 | Broadcom Corporation | Configurable load impedance for power amplifier predistortion calibration |
US8295794B2 (en) * | 2009-12-23 | 2012-10-23 | Skyworks Solutions, Inc. | System and method for power control for a surface acoustic wave (SAW) filter-less transmitter |
JP2011172206A (ja) * | 2010-01-21 | 2011-09-01 | Panasonic Corp | 高周波電力増幅器及びそれを備える無線通信装置 |
US8183917B2 (en) * | 2010-06-04 | 2012-05-22 | Quantance, Inc. | RF power amplifier circuit with mismatch tolerance |
US8294514B2 (en) * | 2010-09-24 | 2012-10-23 | St-Ericsson Sa | Calibrate output matching for correct output power |
-
2011
- 2011-07-27 US US13/191,685 patent/US8761698B2/en active Active
-
2012
- 2012-07-25 DE DE102012213096A patent/DE102012213096A1/de not_active Ceased
- 2012-07-27 CN CN201210262926.9A patent/CN102904532B/zh active Active
-
2014
- 2014-05-09 US US14/273,672 patent/US9124316B2/en active Active
-
2015
- 2015-07-24 US US14/808,140 patent/US9520841B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1682440A (zh) * | 2002-09-17 | 2005-10-12 | 皇家飞利浦电子股份有限公司 | 保持rf功率放大器的线性 |
CN2788449Y (zh) * | 2005-04-13 | 2006-06-14 | 朗弗科技股份有限公司 | 射频功率放大器偏压电路 |
US20090096533A1 (en) * | 2007-10-16 | 2009-04-16 | Paul Susanne A | Adaptively tuned rf power amplifier |
Cited By (28)
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Also Published As
Publication number | Publication date |
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CN102904532B (zh) | 2016-06-22 |
US20140248844A1 (en) | 2014-09-04 |
DE102012213096A1 (de) | 2013-01-31 |
US8761698B2 (en) | 2014-06-24 |
US9124316B2 (en) | 2015-09-01 |
US9520841B2 (en) | 2016-12-13 |
US20130027129A1 (en) | 2013-01-31 |
US20150333711A1 (en) | 2015-11-19 |
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