ATE463076T1 - Leistungsverstärker - Google Patents

Leistungsverstärker

Info

Publication number
ATE463076T1
ATE463076T1 AT07004425T AT07004425T ATE463076T1 AT E463076 T1 ATE463076 T1 AT E463076T1 AT 07004425 T AT07004425 T AT 07004425T AT 07004425 T AT07004425 T AT 07004425T AT E463076 T1 ATE463076 T1 AT E463076T1
Authority
AT
Austria
Prior art keywords
signal
power amplifier
output
amplifying units
outputting
Prior art date
Application number
AT07004425T
Other languages
English (en)
Inventor
Chen Ning
Yasunori Suzuki
Tetsuo Hirota
Yasushi Yamao
Original Assignee
Ntt Docomo Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2003289356A external-priority patent/JP4267980B2/ja
Priority claimed from JP2003318589A external-priority patent/JP4237589B2/ja
Application filed by Ntt Docomo Inc filed Critical Ntt Docomo Inc
Application granted granted Critical
Publication of ATE463076T1 publication Critical patent/ATE463076T1/de

Links

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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control 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
    • H03F1/0277—Selecting one or more amplifiers from a plurality of 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
    • 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
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/75—Indexing scheme relating to amplifiers the amplifier stage being a common source configuration MOSFET

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
AT07004425T 2003-08-07 2004-08-06 Leistungsverstärker ATE463076T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003289356A JP4267980B2 (ja) 2003-08-07 2003-08-07 線形電力増幅器
JP2003318589A JP4237589B2 (ja) 2003-09-10 2003-09-10 電力増幅器

Publications (1)

Publication Number Publication Date
ATE463076T1 true ATE463076T1 (de) 2010-04-15

Family

ID=33554535

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07004425T ATE463076T1 (de) 2003-08-07 2004-08-06 Leistungsverstärker

Country Status (6)

Country Link
US (1) US7119621B2 (de)
EP (2) EP1793492B1 (de)
KR (1) KR100749899B1 (de)
CN (2) CN101320963B (de)
AT (1) ATE463076T1 (de)
DE (2) DE602004021751D1 (de)

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US7599448B2 (en) * 2006-02-03 2009-10-06 Pine Valley Investments, Inc. Multi-mode selectable modulation architecture calibration and power control apparatus, system, and method for radio frequency power amplifier
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CN100492921C (zh) * 2006-05-30 2009-05-27 华为技术有限公司 一种接收机及接收无线信号的方法
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US20090027112A1 (en) * 2007-07-26 2009-01-29 Chin Li Controllable precision transconductance
KR100880448B1 (ko) * 2007-08-10 2009-01-29 한국전자통신연구원 저소비전력 혼합모드 전력증폭장치
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US8155237B2 (en) * 2008-02-07 2012-04-10 Pine Valley Investments, Inc. Multi-carrier transmitter
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KR100881155B1 (ko) * 2008-07-18 2009-02-13 (주)디라직 다중 전원 혼합형 증폭기
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CN102142814B (zh) * 2010-02-01 2014-11-26 富士通株式会社 功放相关装置、功率放大器预失真系统以及建模方法
CN101789805B (zh) * 2010-02-24 2014-03-12 华为技术有限公司 放大装置和基于放大装置的信号处理方法
EP2458732B1 (de) * 2010-11-26 2013-10-02 Nxp B.V. Verstärker und Verstärkersteuerungsverfahren
US8362837B2 (en) * 2011-05-23 2013-01-29 Vyycore Ltd. System and a method for amplifying a signal by multiple non-linear power amplifiers
US8451062B2 (en) * 2011-07-25 2013-05-28 Honeywell International Inc. Radiation hardened differential amplifier
CN103187716A (zh) * 2011-12-30 2013-07-03 中兴通讯股份有限公司 功放管的保护电路、方法和功放管
US9419457B2 (en) 2012-09-04 2016-08-16 Google Technology Holdings LLC Method and device with enhanced battery capacity savings
US9356461B2 (en) 2012-09-25 2016-05-31 Google Technology Holdings, LLC Methods and systems for rapid wireless charging where the low state of charge (SOC) temperature dependent charging current and low SOC temperature limit are higher than the high SOC temperature dependent charging current and high SOC temperature limit
US9537456B2 (en) * 2012-10-30 2017-01-03 Eta Devices, Inc. Asymmetric multilevel backoff amplifier with radio-frequency splitter
US8829993B2 (en) 2012-10-30 2014-09-09 Eta Devices, Inc. Linearization circuits and methods for multilevel power amplifier systems
US9166536B2 (en) 2012-10-30 2015-10-20 Eta Devices, Inc. Transmitter architecture and related methods
CN103905005B (zh) * 2012-12-24 2018-01-16 上海联影医疗科技有限公司 射频放大器和磁共振成像系统
US9491706B2 (en) 2013-03-13 2016-11-08 Google Technology Holdings LLC Reduced-power transmitting from a communications device
US9246454B2 (en) 2013-03-14 2016-01-26 Google Technology Holdings, LLC Low power consumption adaptive power amplifier
US9106501B2 (en) * 2013-04-03 2015-08-11 Telefonaktiebolaget L M Ericsson (Publ) Quadrature power amplifier having increased efficiency
JP6236934B2 (ja) 2013-07-02 2017-11-29 富士通株式会社 増幅装置
US9596653B2 (en) 2013-12-16 2017-03-14 Google Technology Holdings LLC Remedying power drain via a coverage map
US9865897B2 (en) 2014-06-02 2018-01-09 Google Llc Stacked electrochemical cell with increased energy density
US9306515B2 (en) * 2014-06-12 2016-04-05 Shenzhen South Silicon Valley Microelectronics Co. Ltd Hybrid class operation power amplifier
US9768731B2 (en) 2014-07-23 2017-09-19 Eta Devices, Inc. Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions
US9438293B2 (en) 2014-08-05 2016-09-06 Google Technology Holdings LLC Tunable circuit elements for dynamic, per element power
WO2016035166A1 (ja) * 2014-09-03 2016-03-10 富士通株式会社 電力増幅回路及び半導体集積回路
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DE102015205714A1 (de) * 2015-03-30 2016-10-06 Siemens Aktiengesellschaft Sendeverstärker zum Verstärken eines Signals in einem drahtlosen Übertragungssystem
CN105743453B (zh) * 2016-02-02 2019-03-19 无锡中感微电子股份有限公司 基于sd调制模块的极坐标发射机
CN109309511B (zh) * 2018-08-30 2020-06-26 维沃移动通信有限公司 一种射频电路及无线通信装置
CN109714006A (zh) * 2018-12-21 2019-05-03 中国科学院微电子研究所 放大装置和电子设备
CN111654243B (zh) 2019-03-04 2023-03-03 华为技术有限公司 功率放大装置、波束成形系统、发射机和基站
KR102864137B1 (ko) * 2020-11-10 2025-09-23 삼성전자주식회사 전원 변조기 및 이를 포함하는 무선 통신 장치
KR102861817B1 (ko) * 2020-06-29 2025-09-17 삼성전자주식회사 전원 변조기 및 이를 포함하는 무선 통신 장치
US11949384B2 (en) * 2020-06-29 2024-04-02 Samsung Electronics Co., Ltd. Supply modulator and wireless communication apparatus including the same
WO2024087212A1 (zh) * 2022-10-28 2024-05-02 海能达通信股份有限公司 功率放大装置的调节方法以及功率放大装置

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Also Published As

Publication number Publication date
CN1581682B (zh) 2010-04-28
KR20050016200A (ko) 2005-02-21
EP1505725B1 (de) 2009-07-01
US20050030104A1 (en) 2005-02-10
KR100749899B1 (ko) 2007-08-21
CN101320963B (zh) 2011-06-08
CN1581682A (zh) 2005-02-16
EP1793492B1 (de) 2010-03-31
DE602004026366D1 (de) 2010-05-12
EP1505725A1 (de) 2005-02-09
US7119621B2 (en) 2006-10-10
EP1793492A1 (de) 2007-06-06
CN101320963A (zh) 2008-12-10
DE602004021751D1 (de) 2009-08-13

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