JP6452622B2 - 帰還を有する包絡線追跡変調器 - Google Patents
帰還を有する包絡線追跡変調器 Download PDFInfo
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- 239000003990 capacitor Substances 0.000 claims description 20
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- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000005457 optimization Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
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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
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
- H03F1/0238—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply using supply converters
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- 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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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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
-
- 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
-
- 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
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- 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
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- 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
- H03F3/24—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
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- 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
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/375—Circuitry to compensate the offset being present in an amplifier
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/391—Indexing scheme relating to amplifiers the output circuit of an amplifying stage comprising an LC-network
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- 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
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- 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
-
- 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
- H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Description
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
21 可変遅延要素/遅延整合要素
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
28b インダクタ
28c コンデンサ
30 高周波数結合要素
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
42 減算器
44 電圧源
50 パルス幅変調器
52a スイッチ
52b スイッチ
54 共通ノード
56 線
58 帰還経路
59 増幅器
60 増幅器
61 結合器
62 電圧帰還経路
63 線
Claims (13)
- 基準信号に基づいて変調電源電圧を発生させるように構成された包絡線追跡変調電源であって、
スイッチモード電源を含み、前記基準信号を受信し、かつ前記基準信号における低周波数変動を追跡するための低周波数経路と、
前記基準信号における高周波数変動を追跡するための補正経路であって、
線形増幅器と、前記線形増幅器の出力と前記線形増幅器の入力との間に結合された帰還経路と、前記補正経路における前記基準信号のオフセット電圧を供給するための電圧源とを含み、
前記電圧源が、前記線形増幅器の前記出力と結合される、補正経路と、
変調電源電圧を発生させるために、前記低周波数経路の出力と、前記補正経路の出力とを結合するための結合器と、
を備える、包絡線追跡変調電源。 - 前記補正経路における前記線形増幅器は、前記基準信号における周波数の全周波数域を含む信号を増幅する、請求項1に記載の包絡線追跡変調電源。
- 前記オフセット電圧の値は、前記線形増幅器のための可能な限り最低の電源電圧を可能とするために前記線形増幅器への信号入力を設定するように選択される、請求項1又は2に記載の包絡線追跡変調電源。
- 前記結合器は、前記低周波数経路および前記補正経路の出力信号を結合するための、前記低周波数経路の出力におけるインダクタおよび前記補正経路の出力におけるコンデンサを含み、
前記インダクタは、前記スイッチモード電源の前記出力と電源出力との間に接続され、
前記コンデンサは、前記線形増幅器の前記出力と前記電源出力との間に接続される、請求項1から3のいずれか一項に記載の包絡線追跡変調電源。 - 前記結合器は、前記スイッチモード電源の前記出力と前記インダクタとの間に接続された別のインダクタと、2つの前記インダクタの接続部と電気的接地との間に接続されたコンデンサと、をさらに含み、
前記スイッチモード電源の切り替えの結果としての何らかのリップル電流は、前記別のインダクタにおいて発生されると共に、前記コンデンサを通じて接地に短絡される、請求項4記載の包絡線追跡変調電源。 - 前記低周波数経路は、前記低周波数経路のための濾波された基準信号を発生させるために、前記低周波数経路から所定の周波数よりも高い周波数成分を除去するための低域フィルタを含む、請求項1から5のいずれか一項に記載の包絡線追跡変調電源。
- 前記スイッチモード電源は、低域の前記濾波された基準信号に基づいてスイッチ電源電圧を発生させる、請求項6に記載の包絡線追跡変調電源。
- 前記スイッチモード電源は、ピーク電流モードスイッチ電源を備える、請求項6に記載の包絡線追跡変調電源。
- 低域の前記濾波された基準信号に基づいてスイッチモード電圧出力を発生させるためのスイッチを制御するためのパルス幅変調器と、
前記スイッチの出力電流に基づいて前記パルス幅変調器に制御を適合させるための内部帰還制御ループと、
前記スイッチモード電源の出力電圧に基づいて前記パルス幅変調器に制御を適合させるための外部帰還制御ループと、
を備える、請求項8に記載の包絡線追跡変調電源。 - 前記補正経路において遅延器をさらに備える、請求項1から9のいずれか一項に記載の包絡線追跡変調電源。
- 前記遅延器は、前記低周波数経路における前記スイッチモード電源に関連付けられた遅延を補償するように設定される、請求項10に記載の包絡線追跡変調電源。
- 請求項1から11のいずれか一項に記載の包絡線追跡変調電源を含むRF増幅器又はワイヤレス通信システム又はワイヤレスモバイルデバイス。
- 包絡線追跡変調電源を用いて、基準信号に基づいて変調電源電圧を発生させる方法であって、
前記包絡線追跡変調電源は、スイッチモード電源を含む低周波数経路と、線形増幅器を含む補正経路とを備え、
前記方法は、
前記低周波数経路で、前記基準信号を受信するステップと、
前記低周波数経路で、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と、
前記補正経路における前記基準信号の電圧をオフセットするステップと、
前記補正経路で、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、
前記線形増幅器の出力を、前記線形増幅器の入力にフィードバックするステップと、
前記変調電源電圧を発生させるために、前記低周波数経路の出力と、前記補正経路の出力とを結合するステップと
を含み、
前記補正経路における前記基準信号の前記電圧をオフセットするための電圧源が、前記線形増幅器の前記出力と結合される、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1301856.9 | 2013-02-01 | ||
GB1301856.9A GB2510397A (en) | 2013-02-01 | 2013-02-01 | Envelope tracking power supply with feedback |
PCT/EP2014/051965 WO2014118345A2 (en) | 2013-02-01 | 2014-01-31 | Envelope tracking modulator with feedback |
Publications (3)
Publication Number | Publication Date |
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JP2016511971A JP2016511971A (ja) | 2016-04-21 |
JP2016511971A5 JP2016511971A5 (ja) | 2017-02-23 |
JP6452622B2 true JP6452622B2 (ja) | 2019-01-16 |
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JP2015555732A Active JP6452622B2 (ja) | 2013-02-01 | 2014-01-31 | 帰還を有する包絡線追跡変調器 |
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Country | Link |
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US (2) | US9628024B2 (ja) |
EP (1) | EP2951921B1 (ja) |
JP (1) | JP6452622B2 (ja) |
KR (1) | KR102162776B1 (ja) |
CN (1) | CN105103440B (ja) |
GB (1) | GB2510397A (ja) |
WO (1) | WO2014118345A2 (ja) |
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-
2013
- 2013-02-01 GB GB1301856.9A patent/GB2510397A/en not_active Withdrawn
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2014
- 2014-01-31 EP EP14702564.7A patent/EP2951921B1/en active Active
- 2014-01-31 JP JP2015555732A patent/JP6452622B2/ja active Active
- 2014-01-31 US US14/765,240 patent/US9628024B2/en active Active
- 2014-01-31 CN CN201480017172.8A patent/CN105103440B/zh active Active
- 2014-01-31 KR KR1020157023509A patent/KR102162776B1/ko active IP Right Grant
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WO2014118345A2 (en) | 2014-08-07 |
JP2016511971A (ja) | 2016-04-21 |
EP2951921B1 (en) | 2018-11-21 |
US20150365053A1 (en) | 2015-12-17 |
US20170194915A1 (en) | 2017-07-06 |
US10079576B2 (en) | 2018-09-18 |
GB201301856D0 (en) | 2013-03-20 |
WO2014118345A3 (en) | 2014-11-27 |
CN105103440A (zh) | 2015-11-25 |
KR20150123815A (ko) | 2015-11-04 |
KR102162776B1 (ko) | 2020-10-07 |
CN105103440B (zh) | 2018-02-13 |
EP2951921A2 (en) | 2015-12-09 |
GB2510397A (en) | 2014-08-06 |
US9628024B2 (en) | 2017-04-18 |
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