JP6452623B2 - 包絡線追跡変調器の線形増幅器の改善された効率 - Google Patents
包絡線追跡変調器の線形増幅器の改善された効率 Download PDFInfo
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- JP6452623B2 JP6452623B2 JP2015555733A JP2015555733A JP6452623B2 JP 6452623 B2 JP6452623 B2 JP 6452623B2 JP 2015555733 A JP2015555733 A JP 2015555733A JP 2015555733 A JP2015555733 A JP 2015555733A JP 6452623 B2 JP6452623 B2 JP 6452623B2
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- 238000000034 method Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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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
- H03F1/0211—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
-
- 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
-
- 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
- H03F3/20—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
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
-
- 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
- H03F2200/135—Indexing scheme relating to amplifiers there being a feedback over one or more internal stages in the global 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
- 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
- H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Description
avg(VSUPPLY-VEA) x avg(ISRC')
avg(VEA) x avg(ISNK')
VSUPPLY=給電インダクタに印加される電源電圧、
VEA=段の出力電圧、
avg(ISRC')=平均ソース電流、および
avg(ISNK')=平均シンク電流
である。
12 周波数分割器
14 線
16 線
18 低域フィルタ
20 高域フィルタ
22 スイッチモード増幅器
24 広帯域線形増幅器
26 周波数選択結合器
28 低周波数結合要素
28a インダクタ
30 高周波結合要素
30a コンデンサ
32 線
34 負荷
36 帰還経路
38 減算器
40 帰還経路
250 電流源、電流源要素、ソースデバイス、ソーストランジスタ、出力段ソース電流デバイス、ソース出力デバイス
252 電流シンク、電流シンク要素、シンクデバイス、シンクトランジスタ、出力段シンク電流デバイス、シンク出力デバイス
254 共通ノード
256 インダクタ
302 ゼロレベル
304 線
306 線
602 線
604 線
606 線
702 散逸
704 散逸
706 全散逸
708 シンクデバイスの検知電力
710 ソースデバイスの検知電力
712 総検知電力
800 電流検知抵抗器
802 スイッチモード変換器
804 電源電圧
806 積分器
808 減算器
810 スイッチモード変換器、入力波形Vin
812 線
814 電源電圧/線
816 積分器、電圧源
818 線
820 信号処理ブロック
Claims (6)
- 基準信号に基づいて変調電源電圧を発生するように構成された包絡線追跡電源であって、
前記基準信号における低周波数変動を追跡するための第1の経路と、
前記基準信号における高周波数変動を追跡するための第2の経路であって、
前記第2の経路は、出力ノードに結合された出力段を含む線形増幅器を備え、
前記出力段は、電流源および電流シンクを備え、
前記電流源は、前記出力ノードと、第1の電圧源との間に結合され、かつ、
前記電流シンクは、前記出力ノードと、電気的接地との間に結合される、第2の経路と、
前記電流シンクに関連付けられた電力と、前記電流源に関連付けられた電力との間の電力差に基づいてDCオフセット電流を発生させるように第2の電圧源を発生させるためのスイッチモード変換器と、
前記第2の電圧源と前記出力ノードとの間に結合され、前記出力ノードにおいて前記DCオフセット電流を供給するためのインダクタと
を備える、包絡線追跡電源。 - 前記DCオフセット電流は、前記線形増幅器の前記出力段において散逸される電力を最小化するために選択されるか、又は、
前記DCオフセット電流は、前記電流源に結合された前記第1の電圧源の電圧よりも低い電圧を有する前記第2の電圧源から導かれる、請求項1に記載の包絡線追跡電源。 - 前記DCオフセット電流を発生させるための前記第2の電圧源の電圧、前記出力ノードでの出力電圧、ソース電流、およびシンク電流を測定するように構成された信号処理ユニットをさらに備える、請求項1に記載の包絡線追跡電源。
- 基準信号に基づいて変調電源電圧を発生するように構成された包絡線追跡電源のための方法であって、
第1の経路において、前記基準信号における低周波数変動を追跡するステップと、
第2の経路において、前記基準信号における高周波数変動を追跡するステップであって、前記第2の経路は、出力ノードに結合された線形増幅器を備える、ステップと、
前記出力ノードにソース電流を供給するステップと、
前記出力ノードからシンク電流を供給するステップと、
前記ソース電流に関連付けられた電力と、前記シンク電流に関連付けられた電力との間の電力差を検知するステップと、
検知された前記電力差に少なくとも基づいて、前記出力ノードと第1の電圧源との間に結合されたインダクタを介して、前記出力ノードにおいてDCオフセット電流を提供するステップと
を含む、方法。 - 前記線形増幅器は、前記ソース電流および前記シンク電流を供給するための出力段を備え、前記DCオフセット電流は、前記線形増幅器の前記出力段において散逸される電力を最小化するために選択されるか、又は、
前記DCオフセット電流は、前記ソース電流を供給するための電流源に結合された第2の電圧源の電圧よりも低い電圧を有する前記第1の電圧源から導かれる、
請求項4に記載の方法。 - 前記電力差を検知するステップは、前記DCオフセット電流を発生させるための前記第1の電圧源の電圧、前記出力ノードでの出力電圧、前記ソース電流、および前記シンク電流を測定するステップを含む、請求項4に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1301852.8 | 2013-02-01 | ||
GB1301852.8A GB2510393A (en) | 2013-02-01 | 2013-02-01 | An envelope-tracking amplifier with a linear amplifier having an output offset current for improved efficiency |
PCT/EP2014/051967 WO2014118347A1 (en) | 2013-02-01 | 2014-01-31 | Improved efficiency for linear amplifier of envelope tracking modulator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2016505230A JP2016505230A (ja) | 2016-02-18 |
JP2016505230A5 JP2016505230A5 (ja) | 2017-02-23 |
JP6452623B2 true JP6452623B2 (ja) | 2019-01-16 |
Family
ID=47988592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015555733A Expired - Fee Related JP6452623B2 (ja) | 2013-02-01 | 2014-01-31 | 包絡線追跡変調器の線形増幅器の改善された効率 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9634612B2 (ja) |
EP (2) | EP2951920B1 (ja) |
JP (1) | JP6452623B2 (ja) |
KR (1) | KR20150117678A (ja) |
CN (2) | CN110708026B (ja) |
GB (1) | GB2510393A (ja) |
WO (1) | WO2014118347A1 (ja) |
Families Citing this family (12)
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EP3087660B1 (en) | 2013-12-12 | 2018-09-19 | The Ohio State Innovation Foundation | Harmonic harvester for improved rf-to-dc rectifying efficiency |
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 |
US9445371B2 (en) | 2014-08-13 | 2016-09-13 | Skyworks Solutions, Inc. | Apparatus and methods for wideband envelope tracking systems |
US10103693B2 (en) | 2015-09-30 | 2018-10-16 | Skyworks Solutions, Inc. | Power amplifier linearization system and method |
US10110169B2 (en) | 2016-09-14 | 2018-10-23 | Skyworks Solutions, Inc. | Apparatus and methods for envelope tracking systems with automatic mode selection |
CN108206703B (zh) * | 2016-12-20 | 2020-05-08 | 中芯国际集成电路制造(上海)有限公司 | 射频发射电路、发射机及用户终端 |
US10236831B2 (en) | 2017-05-12 | 2019-03-19 | Skyworks Solutions, Inc. | Envelope trackers providing compensation for power amplifier output load variation |
US10615757B2 (en) | 2017-06-21 | 2020-04-07 | Skyworks Solutions, Inc. | Wide bandwidth envelope trackers |
US10516368B2 (en) | 2017-06-21 | 2019-12-24 | Skyworks Solutions, Inc. | Fast envelope tracking systems for power amplifiers |
KR102454811B1 (ko) * | 2017-07-18 | 2022-10-13 | 삼성전기주식회사 | 옵셋 제거 기능이 개선된 엔벨로프-추적 전류 바이어스 회로 및 파워 증폭 장치 |
US11424718B2 (en) | 2018-03-01 | 2022-08-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Envelope tracking supply modulator for power amplifier |
US11581854B2 (en) * | 2018-04-26 | 2023-02-14 | Mediatek Inc. | Envelope tracking supply modulator topology for wipe-bandwidth radio frequency transmitter |
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US6084468A (en) * | 1997-10-06 | 2000-07-04 | Motorola, Inc. | Method and apparatus for high efficiency wideband power amplification |
US6590940B1 (en) | 1999-05-17 | 2003-07-08 | Ericsson Inc. | Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform |
NO321759B1 (no) | 2003-10-24 | 2006-07-03 | Nera Asa | Effektiv kraftforsyning for hurtigvarierende effektbehov |
GB2424137B (en) * | 2005-03-11 | 2007-02-14 | Audio Partnership Plc | Amplifier |
GB2440772B (en) * | 2006-08-08 | 2011-11-30 | Asahi Chemical Micro Syst | Envelope modulator |
WO2008105073A1 (ja) * | 2007-02-27 | 2008-09-04 | Panasonic Corporation | 送信装置 |
GB0708733D0 (en) * | 2007-05-04 | 2007-06-13 | Nokia Corp | A device |
US7783269B2 (en) * | 2007-09-20 | 2010-08-24 | Quantance, Inc. | Power amplifier controller with polar transmitter |
GB2457764B (en) * | 2008-02-28 | 2013-01-23 | Nujira Ltd | Improved control loop for amplification stage |
US7808323B2 (en) * | 2008-05-23 | 2010-10-05 | Panasonic Corporation | High-efficiency envelope tracking systems and methods for radio frequency power amplifiers |
JP2010213227A (ja) * | 2009-03-12 | 2010-09-24 | Fujitsu Ltd | 電源回路及びこれを用いた無線通信回路 |
JP2011009923A (ja) * | 2009-06-24 | 2011-01-13 | Hitachi Kokusai Electric Inc | 包絡線追跡電源の電源回路、電力増幅器及び無線基地局 |
GB2488124B (en) * | 2011-02-15 | 2014-01-08 | Nujira Ltd | Control of cross-over point for a push-pull amplifier |
JP5621649B2 (ja) * | 2011-02-18 | 2014-11-12 | 富士通株式会社 | 送信装置 |
CN102684494B (zh) * | 2011-03-17 | 2014-10-29 | 中兴通讯股份有限公司 | 一种电源调制方法及电源调制器 |
US8698558B2 (en) * | 2011-06-23 | 2014-04-15 | Qualcomm Incorporated | Low-voltage power-efficient envelope tracker |
JP6115477B2 (ja) * | 2012-02-03 | 2017-04-19 | 日本電気株式会社 | 電源装置及びこれを用いた送信装置 |
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-
2013
- 2013-02-01 GB GB1301852.8A patent/GB2510393A/en not_active Withdrawn
-
2014
- 2014-01-31 KR KR1020157023234A patent/KR20150117678A/ko not_active Application Discontinuation
- 2014-01-31 EP EP14702042.4A patent/EP2951920B1/en active Active
- 2014-01-31 CN CN201911066474.5A patent/CN110708026B/zh active Active
- 2014-01-31 CN CN201480018288.3A patent/CN105103441B/zh active Active
- 2014-01-31 WO PCT/EP2014/051967 patent/WO2014118347A1/en active Application Filing
- 2014-01-31 JP JP2015555733A patent/JP6452623B2/ja not_active Expired - Fee Related
- 2014-01-31 EP EP19201054.4A patent/EP3667905B1/en active Active
- 2014-01-31 US US14/764,806 patent/US9634612B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20160006396A1 (en) | 2016-01-07 |
CN110708026A (zh) | 2020-01-17 |
CN105103441A (zh) | 2015-11-25 |
WO2014118347A1 (en) | 2014-08-07 |
EP3667905B1 (en) | 2021-07-14 |
GB201301852D0 (en) | 2013-03-20 |
GB2510393A (en) | 2014-08-06 |
KR20150117678A (ko) | 2015-10-20 |
CN110708026B (zh) | 2023-08-18 |
EP3667905A1 (en) | 2020-06-17 |
CN105103441B (zh) | 2019-11-29 |
US9634612B2 (en) | 2017-04-25 |
JP2016505230A (ja) | 2016-02-18 |
EP2951920B1 (en) | 2019-12-11 |
EP2951920A1 (en) | 2015-12-09 |
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