KR20100108561A - 포락선 추적 전원 회로 및 그것을 포함하는 고주파 증폭기 - Google Patents
포락선 추적 전원 회로 및 그것을 포함하는 고주파 증폭기 Download PDFInfo
- Publication number
- KR20100108561A KR20100108561A KR1020107015825A KR20107015825A KR20100108561A KR 20100108561 A KR20100108561 A KR 20100108561A KR 1020107015825 A KR1020107015825 A KR 1020107015825A KR 20107015825 A KR20107015825 A KR 20107015825A KR 20100108561 A KR20100108561 A KR 20100108561A
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- envelope
- output
- power supply
- supply circuit
- 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.)
- Ceased
Links
Images
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
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
-
- 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
- H03F3/20—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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode
-
- 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
- H03F2200/195—A hybrid coupler being used as power measuring circuit at the input of an amplifier circuit
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008029333A JP5119961B2 (ja) | 2008-02-08 | 2008-02-08 | 包絡線追跡電源回路及びそれを含む高周波増幅器 |
| JPJP-P-2008-029333 | 2008-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20100108561A true KR20100108561A (ko) | 2010-10-07 |
Family
ID=40952131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020107015825A Ceased KR20100108561A (ko) | 2008-02-08 | 2009-02-03 | 포락선 추적 전원 회로 및 그것을 포함하는 고주파 증폭기 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8587271B2 (enExample) |
| EP (1) | EP2244366A1 (enExample) |
| JP (1) | JP5119961B2 (enExample) |
| KR (1) | KR20100108561A (enExample) |
| CN (1) | CN101939900A (enExample) |
| WO (1) | WO2009099056A1 (enExample) |
Families Citing this family (90)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20070672A0 (fi) * | 2007-09-04 | 2007-09-04 | Efore Oyj | Menetelmä vaihtosähkön muodostamiseksi |
| US8995691B2 (en) | 2008-07-14 | 2015-03-31 | Audera Acoustics Inc. | Audio amplifier |
| US9112452B1 (en) | 2009-07-14 | 2015-08-18 | Rf Micro Devices, Inc. | High-efficiency power supply for a modulated load |
| CN102076139B (zh) * | 2009-11-19 | 2013-12-11 | 群康科技(深圳)有限公司 | Led照明电路 |
| EP2782246B1 (en) | 2010-04-19 | 2018-06-13 | 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 |
| 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 |
| US8519788B2 (en) | 2010-04-19 | 2013-08-27 | Rf Micro Devices, Inc. | Boost charge-pump with fractional ratio and offset loop for supply modulation |
| US8633766B2 (en) | 2010-04-19 | 2014-01-21 | Rf Micro Devices, Inc. | Pseudo-envelope follower power management system with high frequency ripple current compensation |
| WO2011145710A1 (ja) | 2010-05-18 | 2011-11-24 | 日本電気株式会社 | 電源装置、およびそれを用いた電力増幅装置 |
| CN101867284B (zh) * | 2010-05-31 | 2012-11-21 | 华为技术有限公司 | 快速跟踪电源的控制方法、快速跟踪电源及系统 |
| US8866549B2 (en) | 2010-06-01 | 2014-10-21 | Rf Micro Devices, Inc. | Method of power amplifier calibration |
| WO2012027039A1 (en) | 2010-08-25 | 2012-03-01 | Rf Micro Devices, Inc. | Multi-mode/multi-band power management system |
| WO2012047738A1 (en) | 2010-09-29 | 2012-04-12 | Rf Micro Devices, Inc. | SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS |
| WO2012068258A2 (en) | 2010-11-16 | 2012-05-24 | Rf Micro Devices, Inc. | Digital fast cordic for envelope tracking generation |
| WO2012079031A1 (en) * | 2010-12-09 | 2012-06-14 | Rf Micro Devices, Inc. | Pseudo-envelope follower power management system with high frequency ripple current compensation |
| US8588713B2 (en) | 2011-01-10 | 2013-11-19 | Rf Micro Devices, Inc. | Power management system for multi-carriers transmitter |
| US8611402B2 (en) | 2011-02-02 | 2013-12-17 | Rf Micro Devices, Inc. | Fast envelope system calibration |
| US8624760B2 (en) | 2011-02-07 | 2014-01-07 | Rf Micro Devices, Inc. | Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table |
| EP2673880B1 (en) | 2011-02-07 | 2017-09-06 | Qorvo US, Inc. | Group delay calibration method for power amplifier envelope tracking |
| US9054937B2 (en) * | 2011-04-29 | 2015-06-09 | Fairchild Semiconductor Corporation | Envelope extraction with reduced bandwidth for power modulation |
| US9246460B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power management architecture for modulated and constant supply operation |
| US9247496B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power loop control based envelope tracking |
| US9379667B2 (en) | 2011-05-05 | 2016-06-28 | Rf Micro Devices, Inc. | Multiple power supply input parallel amplifier based envelope tracking |
| US9178627B2 (en) | 2011-05-31 | 2015-11-03 | 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 |
| JP5742939B2 (ja) * | 2011-06-22 | 2015-07-01 | 株式会社村田製作所 | 高周波電力増幅回路用電源装置および高周波電力増幅装置 |
| US8760228B2 (en) | 2011-06-24 | 2014-06-24 | Rf Micro Devices, Inc. | Differential power management and power amplifier architecture |
| US8952710B2 (en) | 2011-07-15 | 2015-02-10 | Rf Micro Devices, Inc. | Pulsed behavior modeling with steady state average conditions |
| US8792840B2 (en) | 2011-07-15 | 2014-07-29 | Rf Micro Devices, Inc. | Modified switching ripple for envelope tracking system |
| US8626091B2 (en) | 2011-07-15 | 2014-01-07 | Rf Micro Devices, Inc. | Envelope tracking with variable compression |
| US9263996B2 (en) | 2011-07-20 | 2016-02-16 | Rf Micro Devices, Inc. | Quasi iso-gain supply voltage function for envelope tracking systems |
| US8618868B2 (en) | 2011-08-17 | 2013-12-31 | Rf Micro Devices, Inc. | Single charge-pump buck-boost for providing independent voltages |
| 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 |
| US9024688B2 (en) | 2011-10-26 | 2015-05-05 | Rf Micro Devices, Inc. | Dual parallel amplifier based DC-DC converter |
| CN103988406B (zh) | 2011-10-26 | 2017-03-01 | Qorvo美国公司 | 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置 |
| US9484797B2 (en) | 2011-10-26 | 2016-11-01 | Qorvo Us, Inc. | RF switching converter with ripple correction |
| US8878606B2 (en) | 2011-10-26 | 2014-11-04 | Rf Micro Devices, Inc. | Inductance based parallel amplifier phase compensation |
| US8975959B2 (en) | 2011-11-30 | 2015-03-10 | Rf Micro Devices, Inc. | Monotonic conversion of RF power amplifier calibration data |
| US9515621B2 (en) | 2011-11-30 | 2016-12-06 | Qorvo Us, Inc. | Multimode RF amplifier system |
| 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 |
| US9041365B2 (en) | 2011-12-01 | 2015-05-26 | Rf Micro Devices, Inc. | Multiple mode RF power converter |
| 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 |
| US8947161B2 (en) | 2011-12-01 | 2015-02-03 | Rf Micro Devices, Inc. | Linear amplifier power supply modulation for envelope tracking |
| US9041364B2 (en) | 2011-12-01 | 2015-05-26 | Rf Micro Devices, Inc. | RF power converter |
| 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 |
| CN102624339B (zh) * | 2012-04-10 | 2014-10-15 | 南京航空航天大学 | 一种串联结构包络线跟踪电源及其控制系统 |
| CN102624231A (zh) * | 2012-04-10 | 2012-08-01 | 南京航空航天大学 | 一种并联结构包络线跟踪电源 |
| US8816768B2 (en) | 2012-04-12 | 2014-08-26 | Mediatek Inc. | Power module for envelope tracking |
| US9071200B2 (en) | 2012-04-12 | 2015-06-30 | Mediatek Inc. | Power module for envelope tracking |
| JP5713145B2 (ja) * | 2012-05-08 | 2015-05-07 | 株式会社村田製作所 | 高周波電力増幅回路用電源装置および高周波電力増幅装置 |
| US8981839B2 (en) | 2012-06-11 | 2015-03-17 | Rf Micro Devices, Inc. | Power source multiplexer |
| WO2014018861A1 (en) | 2012-07-26 | 2014-01-30 | Rf Micro Devices, Inc. | Programmable rf notch filter for envelope tracking |
| US8779860B2 (en) | 2012-08-15 | 2014-07-15 | Avago Technologies General Ip (Singapore) Ptd. Ltd. | Power amplifier |
| 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 |
| CN103812334A (zh) * | 2012-11-14 | 2014-05-21 | 立锜科技股份有限公司 | 多输出切换式电源供应器及多输出电源供应方法 |
| 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 |
| WO2014116933A2 (en) | 2013-01-24 | 2014-07-31 | Rf Micro Devices, Inc | Communications based adjustments of an envelope tracking power supply |
| US9178472B2 (en) | 2013-02-08 | 2015-11-03 | Rf Micro Devices, Inc. | Bi-directional power supply signal based linear amplifier |
| US9608675B2 (en) | 2013-02-11 | 2017-03-28 | Qualcomm Incorporated | Power tracker for multiple transmit signals sent simultaneously |
| WO2014152903A2 (en) | 2013-03-14 | 2014-09-25 | Rf Micro Devices, Inc | Envelope tracking power supply voltage dynamic range reduction |
| WO2014152876A1 (en) | 2013-03-14 | 2014-09-25 | 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 |
| US9374005B2 (en) | 2013-08-13 | 2016-06-21 | Rf Micro Devices, Inc. | Expanded range DC-DC converter |
| KR102114726B1 (ko) | 2013-10-23 | 2020-06-05 | 삼성전자주식회사 | 전력 증폭 장치 및 방법 |
| CN103701089A (zh) * | 2013-12-31 | 2014-04-02 | 昌辉汽车转向系统(黄山)有限公司 | 一种硬件过载或短路保护电路及dc电源供电电路 |
| US9473089B2 (en) | 2014-05-08 | 2016-10-18 | Mediatek Inc. | Hybrid power module |
| US9614476B2 (en) | 2014-07-01 | 2017-04-04 | Qorvo Us, Inc. | Group delay calibration of RF envelope tracking |
| WO2016015256A1 (zh) | 2014-07-30 | 2016-02-04 | 华为技术有限公司 | 功率放大器的供电电压控制方法及电子设备 |
| US9685864B2 (en) * | 2015-03-31 | 2017-06-20 | Qualcomm Incorporated | Switching regulator circuits and methods with reconfigurable inductance |
| US9748901B2 (en) | 2015-06-16 | 2017-08-29 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Power amplifying apparatus |
| US9948240B2 (en) | 2015-07-01 | 2018-04-17 | Qorvo Us, Inc. | Dual-output asynchronous power converter circuitry |
| US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
| US9973147B2 (en) | 2016-05-10 | 2018-05-15 | Qorvo Us, Inc. | Envelope tracking power management circuit |
| CN105896983A (zh) * | 2016-05-13 | 2016-08-24 | 南京航空航天大学 | 宽频带输出的包络线跟踪电源 |
| US10411706B1 (en) | 2017-10-20 | 2019-09-10 | United States Of America As Represented By The Secretary Of The Air Force | Wide-band digital buffer driver |
| US10476437B2 (en) | 2018-03-15 | 2019-11-12 | Qorvo Us, Inc. | Multimode voltage tracker circuit |
| US10826439B2 (en) | 2018-12-18 | 2020-11-03 | Nxp Usa, Inc. | Linearity enhancement of high power amplifiers |
| CN110635667B (zh) * | 2019-09-03 | 2021-09-24 | 电子科技大学 | 一种用于包络跟踪系统的三电平滞回控制电源调制器 |
| US11420524B2 (en) * | 2019-12-20 | 2022-08-23 | Ut-Battelle, Llc | Wireless power system |
| CN112290898B (zh) * | 2020-09-15 | 2022-12-20 | 复旦大学 | 一种应用于包络跟踪电源调制器的降频采样与控制电路 |
| KR102868054B1 (ko) | 2021-01-14 | 2025-10-01 | 삼성전자주식회사 | 전원 변조기 및 이를 포함하는 무선 통신 장치 |
| CN112838748B (zh) * | 2021-01-27 | 2022-04-12 | 陕西亚成微电子股份有限公司 | 一种包络追踪电源的控制方法及电路 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03201818A (ja) * | 1989-12-28 | 1991-09-03 | Fujitsu Ltd | 比較回路 |
| US5905407A (en) * | 1997-07-30 | 1999-05-18 | Motorola, Inc. | High efficiency power amplifier using combined linear and switching techniques with novel feedback system |
| US6300826B1 (en) * | 2000-05-05 | 2001-10-09 | Ericsson Telefon Ab L M | Apparatus and method for efficiently amplifying wideband envelope signals |
| US6565001B1 (en) * | 2001-11-08 | 2003-05-20 | Em Microelectronics-Us, Inc | Receiver circuit and method for a contactless identification system |
| JP4701342B2 (ja) * | 2004-03-31 | 2011-06-15 | エスティー‐エリクソン、ソシエテ、アノニム | 並列に配置した電源 |
| JP2009200944A (ja) * | 2008-02-22 | 2009-09-03 | Oki Semiconductor Co Ltd | ヒステリシスコンパレータ |
| US7808323B2 (en) * | 2008-05-23 | 2010-10-05 | Panasonic Corporation | High-efficiency envelope tracking systems and methods for radio frequency power amplifiers |
| US8030995B2 (en) * | 2008-12-25 | 2011-10-04 | Hitachi Kokusai Electric Inc. | Power circuit used for an amplifier |
-
2008
- 2008-02-08 JP JP2008029333A patent/JP5119961B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-03 EP EP09707832A patent/EP2244366A1/en not_active Withdrawn
- 2009-02-03 US US12/866,676 patent/US8587271B2/en not_active Expired - Fee Related
- 2009-02-03 WO PCT/JP2009/051771 patent/WO2009099056A1/ja not_active Ceased
- 2009-02-03 KR KR1020107015825A patent/KR20100108561A/ko not_active Ceased
- 2009-02-03 CN CN2009801043868A patent/CN101939900A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP2244366A1 (en) | 2010-10-27 |
| WO2009099056A1 (ja) | 2009-08-13 |
| JP5119961B2 (ja) | 2013-01-16 |
| CN101939900A (zh) | 2011-01-05 |
| US8587271B2 (en) | 2013-11-19 |
| JP2009189215A (ja) | 2009-08-20 |
| US20110031953A1 (en) | 2011-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20100108561A (ko) | 포락선 추적 전원 회로 및 그것을 포함하는 고주파 증폭기 | |
| JP2010166157A (ja) | 包絡線追跡電源回路及び増幅装置 | |
| US7949316B2 (en) | High-efficiency envelope tracking systems and methods for radio frequency power amplifiers | |
| US9590563B2 (en) | 2G support for 2G and 3G/4G envelope tracking modulator | |
| KR101467231B1 (ko) | 포락선 추적 모드 또는 평균 전력 추적 모드로 동작하는 멀티 모드 바이어스 변조기 및 이를 이용한 포락선 추적 전력 증폭 장치 | |
| US10177724B2 (en) | Power amplifier circuit | |
| KR101467230B1 (ko) | 멀티 모드 바이어스 변조기 및 이를 이용한 포락선 추적 전력 증폭 장치 | |
| US20090189689A1 (en) | Power supply processing for power amplifiers | |
| CN108933574B (zh) | 功率放大电路 | |
| US20110006846A1 (en) | High-frequency amplifier | |
| US9270241B2 (en) | Power supply device, transmission device using same, and method for operating power supply device | |
| WO2008112041A2 (en) | Power supply providing ultrafast modulation of output voltage | |
| CN110708026A (zh) | 改进效率的包络跟踪调制器的线性放大器 | |
| US20130342185A1 (en) | Power supplying apparatus and control method thereof | |
| WO2002003543A1 (fr) | Amplificateur haute frequence | |
| KR20150054792A (ko) | 클래스-ab 전력 증폭기의 전력 손실을 감소시키기 위한 고-주파 드레인 전력 공급기 | |
| JP2016213547A (ja) | 電力増幅モジュール | |
| WO2011145710A1 (ja) | 電源装置、およびそれを用いた電力増幅装置 | |
| US20150188496A1 (en) | Gate bias control circuit and power amplifying device having the same | |
| JP2014045335A (ja) | 変調電源回路 | |
| EP1800395B1 (en) | Dual bias control circuit | |
| US8232839B2 (en) | Semiconductor integrated circuit device and transmission and reception system | |
| Bräckle et al. | Power supply modulation for RF applications | |
| Kanbe et al. | New architecture for envelope-tracking power amplifier for base station | |
| US9577583B2 (en) | Power amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
St.27 status event code: A-0-1-A10-A15-nap-PA0105 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
St.27 status event code: N-2-6-B10-B15-exm-PE0601 |
|
| R18 | Changes to party contact information recorded |
Free format text: ST27 STATUS EVENT CODE: A-3-3-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE) |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |