CN105264767B - 电子设备、用于放大包络信号的方法、设备以及计算机可读介质 - Google Patents
电子设备、用于放大包络信号的方法、设备以及计算机可读介质 Download PDFInfo
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- CN105264767B CN105264767B CN201480031707.7A CN201480031707A CN105264767B CN 105264767 B CN105264767 B CN 105264767B CN 201480031707 A CN201480031707 A CN 201480031707A CN 105264767 B CN105264767 B CN 105264767B
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- envelope signal
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- 238000000034 method Methods 0.000 title claims description 16
- 230000005611 electricity Effects 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 53
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
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- 238000012935 Averaging Methods 0.000 description 1
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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
- H03F1/02—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
- 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
-
- 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
- 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
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- 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
- H03F2200/432—Two or more amplifiers of different type are coupled in parallel at the input or output, e.g. a class D and a linear amplifier, a class B and a class A amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/435—A peak detection being used in a signal measuring circuit in a controlling circuit of an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/911,902 | 2013-06-06 | ||
| US13/911,902 US9837962B2 (en) | 2013-06-06 | 2013-06-06 | Envelope tracker with variable boosted supply voltage |
| PCT/US2014/040561 WO2014197399A1 (en) | 2013-06-06 | 2014-06-02 | Envelope tracker with variable boosted supply voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105264767A CN105264767A (zh) | 2016-01-20 |
| CN105264767B true CN105264767B (zh) | 2018-04-13 |
Family
ID=51134304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480031707.7A Active CN105264767B (zh) | 2013-06-06 | 2014-06-02 | 电子设备、用于放大包络信号的方法、设备以及计算机可读介质 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9837962B2 (enExample) |
| EP (1) | EP3005552B1 (enExample) |
| JP (1) | JP6571071B2 (enExample) |
| KR (1) | KR102296096B1 (enExample) |
| CN (1) | CN105264767B (enExample) |
| WO (1) | WO2014197399A1 (enExample) |
Families Citing this family (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9530719B2 (en) | 2014-06-13 | 2016-12-27 | Skyworks Solutions, Inc. | Direct die solder of gallium arsenide integrated circuit dies and methods of manufacturing gallium arsenide wafers |
| CN105981450B (zh) * | 2014-07-30 | 2020-04-14 | 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 |
| US9445371B2 (en) * | 2014-08-13 | 2016-09-13 | Skyworks Solutions, Inc. | Apparatus and methods for wideband envelope tracking systems |
| KR20160027302A (ko) * | 2014-08-28 | 2016-03-10 | 한국전자통신연구원 | 반송파 집성과 포락선 추적을 지원하는 rf 송신기 |
| 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 |
| US9893684B2 (en) * | 2015-02-15 | 2018-02-13 | Skyworks Solutions, Inc. | Radio-frequency power amplifiers driven by boost converter |
| CN105897203B (zh) * | 2015-02-15 | 2018-07-31 | 天工方案公司 | 由升压转换器驱动的射频功率放大器 |
| US10483926B2 (en) | 2015-02-15 | 2019-11-19 | Skyworks Solutions, Inc. | Power amplifier module with power supply control |
| US9379668B1 (en) * | 2015-03-31 | 2016-06-28 | Qualcomm Incorporated | Envelope tracking circuits and methods with adaptive switching frequency |
| US9596110B2 (en) * | 2015-04-02 | 2017-03-14 | Futurewei Technologies, Inc. | Open loop digital PWM envelope tracking system with dynamic boosting |
| US10103693B2 (en) | 2015-09-30 | 2018-10-16 | Skyworks Solutions, Inc. | Power amplifier linearization system and method |
| WO2018023215A1 (zh) * | 2016-07-30 | 2018-02-08 | 华为技术有限公司 | 包络调制器、包络跟踪功率放大器及通信设备 |
| US10110169B2 (en) | 2016-09-14 | 2018-10-23 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking systems with automatic mode selection |
| US10181826B2 (en) | 2017-04-25 | 2019-01-15 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
| KR101922880B1 (ko) * | 2017-05-10 | 2018-11-28 | 삼성전기 주식회사 | 부스트 기능을 갖는 전력 증폭 장치 |
| US10236831B2 (en) | 2017-05-12 | 2019-03-19 | Skyworks Solutions, Inc. | Envelope trackers providing compensation for power amplifier output load variation |
| US10516368B2 (en) | 2017-06-21 | 2019-12-24 | Skyworks Solutions, Inc. | Fast envelope tracking systems for power amplifiers |
| US10615757B2 (en) | 2017-06-21 | 2020-04-07 | Skyworks Solutions, Inc. | Wide bandwidth envelope trackers |
| US10284412B2 (en) | 2017-07-17 | 2019-05-07 | Qorvo Us, Inc. | Voltage memory digital pre-distortion circuit |
| US10158329B1 (en) | 2017-07-17 | 2018-12-18 | Qorvo Us, Inc. | Envelope tracking power amplifier circuit |
| US10158330B1 (en) * | 2017-07-17 | 2018-12-18 | Qorvo Us, Inc. | Multi-mode envelope tracking amplifier circuit |
| US10326490B2 (en) | 2017-08-31 | 2019-06-18 | Qorvo Us, Inc. | Multi radio access technology power management circuit |
| US10530305B2 (en) | 2017-10-06 | 2020-01-07 | Qorvo Us, Inc. | Nonlinear bandwidth compression circuitry |
| JP2019091966A (ja) * | 2017-11-10 | 2019-06-13 | 株式会社村田製作所 | 電力増幅回路 |
| US10439557B2 (en) | 2018-01-15 | 2019-10-08 | Qorvo Us, Inc. | Envelope tracking power management circuit |
| US10637408B2 (en) | 2018-01-18 | 2020-04-28 | Qorvo Us, Inc. | Envelope tracking voltage tracker circuit and related power management circuit |
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| US10944365B2 (en) | 2018-06-28 | 2021-03-09 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
| US11088618B2 (en) | 2018-09-05 | 2021-08-10 | Qorvo Us, Inc. | PWM DC-DC converter with linear voltage regulator for DC assist |
| CN108810753B (zh) * | 2018-09-14 | 2020-09-08 | 厦门傅里叶电子有限公司 | 一种适用于数字音频芯片的自适应Boost电路装置 |
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| KR102578803B1 (ko) * | 2023-07-07 | 2023-09-15 | 황윤승 | 신호 레벨에 대응하는 pwm 회로가 적용되어 고주파왜곡,노이즈와 효율이 개선된 증폭 장치 |
| CN119675421B (zh) * | 2025-02-21 | 2025-11-25 | 鼎道智芯(上海)半导体有限公司 | 一种供电控制装置、电子设备及供电控制方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433307A (en) * | 1980-11-28 | 1984-02-21 | Nippon Gakki Seizo Kabushiki Kaisha | Power supply changeover type power amplifier |
| CN101079602A (zh) * | 2006-05-23 | 2007-11-28 | 三星电子株式会社 | 自动输入增益控制电路及其方法 |
| CN102629854A (zh) * | 2011-02-01 | 2012-08-08 | 联发科技(新加坡)私人有限公司 | 集成电路、无线通信单元及电源供应方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300826B1 (en) | 2000-05-05 | 2001-10-09 | Ericsson Telefon Ab L M | Apparatus and method for efficiently amplifying wideband envelope signals |
| AU2001276206A1 (en) * | 2000-07-12 | 2002-01-21 | Indigo Manufacturing Inc. | Power amplifier with multiple power supplies |
| US7043213B2 (en) * | 2003-06-24 | 2006-05-09 | Northrop Grumman Corporation | Multi-mode amplifier system |
| EP1744449A4 (en) * | 2004-04-27 | 2009-03-18 | Panasonic Corp | AMPLIFIER, INFORMATION COMMUNICATION DEVICE AND AMPLIFICATION PROCESS |
| JP2008061231A (ja) * | 2006-08-04 | 2008-03-13 | Matsushita Electric Ind Co Ltd | 送信回路及び通信機器 |
| FI20075322A0 (fi) | 2007-05-07 | 2007-05-07 | Nokia Corp | Teholähteitä RF-tehovahvistimelle |
| US20090004981A1 (en) * | 2007-06-27 | 2009-01-01 | Texas Instruments Incorporated | High efficiency digital transmitter incorporating switching power supply and linear power amplifier |
| US8030995B2 (en) * | 2008-12-25 | 2011-10-04 | Hitachi Kokusai Electric Inc. | Power circuit used for an amplifier |
| US8493141B2 (en) * | 2010-04-19 | 2013-07-23 | Rf Micro Devices, Inc. | Pseudo-envelope following power management system |
| JP2011250166A (ja) * | 2010-05-27 | 2011-12-08 | Panasonic Corp | 送信回路、通信機器、及び、送信方法 |
| KR101772789B1 (ko) | 2011-02-07 | 2017-08-29 | 스카이워크스 솔루션즈, 인코포레이티드 | 엔빌로프 트랙커들을 캘리브레이팅하기 위한 장치 및 방법 |
| US8698558B2 (en) | 2011-06-23 | 2014-04-15 | Qualcomm Incorporated | Low-voltage power-efficient envelope tracker |
-
2013
- 2013-06-06 US US13/911,902 patent/US9837962B2/en active Active
-
2014
- 2014-06-02 JP JP2016518386A patent/JP6571071B2/ja active Active
- 2014-06-02 CN CN201480031707.7A patent/CN105264767B/zh active Active
- 2014-06-02 KR KR1020157037154A patent/KR102296096B1/ko active Active
- 2014-06-02 EP EP14736117.4A patent/EP3005552B1/en active Active
- 2014-06-02 WO PCT/US2014/040561 patent/WO2014197399A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433307A (en) * | 1980-11-28 | 1984-02-21 | Nippon Gakki Seizo Kabushiki Kaisha | Power supply changeover type power amplifier |
| CN101079602A (zh) * | 2006-05-23 | 2007-11-28 | 三星电子株式会社 | 自动输入增益控制电路及其方法 |
| CN102629854A (zh) * | 2011-02-01 | 2012-08-08 | 联发科技(新加坡)私人有限公司 | 集成电路、无线通信单元及电源供应方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140361830A1 (en) | 2014-12-11 |
| WO2014197399A1 (en) | 2014-12-11 |
| CN105264767A (zh) | 2016-01-20 |
| EP3005552A1 (en) | 2016-04-13 |
| JP2016521102A (ja) | 2016-07-14 |
| KR20160018601A (ko) | 2016-02-17 |
| US9837962B2 (en) | 2017-12-05 |
| JP6571071B2 (ja) | 2019-09-04 |
| EP3005552B1 (en) | 2020-03-18 |
| KR102296096B1 (ko) | 2021-08-30 |
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