DE602005000437D1 - Leistungsregelung für Leistungsverstärker - Google Patents

Leistungsregelung für Leistungsverstärker

Info

Publication number
DE602005000437D1
DE602005000437D1 DE602005000437T DE602005000437T DE602005000437D1 DE 602005000437 D1 DE602005000437 D1 DE 602005000437D1 DE 602005000437 T DE602005000437 T DE 602005000437T DE 602005000437 T DE602005000437 T DE 602005000437T DE 602005000437 D1 DE602005000437 D1 DE 602005000437D1
Authority
DE
Germany
Prior art keywords
power
amplifiers
control
power control
power amplifiers
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.)
Active
Application number
DE602005000437T
Other languages
English (en)
Other versions
DE602005000437T2 (de
Inventor
John Christopher Clifton
Simon Denny
Anthony Eaton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Europe Ltd
Original Assignee
Sony United Kingdom Ltd
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 GB0415354A external-priority patent/GB0415354D0/en
Application filed by Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Publication of DE602005000437D1 publication Critical patent/DE602005000437D1/de
Application granted granted Critical
Publication of DE602005000437T2 publication Critical patent/DE602005000437T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/408—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising three power stages
    • 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
    • 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)
  • Amplifiers (AREA)
  • Transmitters (AREA)
DE602005000437T 2004-07-08 2005-07-07 Leistungsregelung für Leistungsverstärker Active DE602005000437T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0415354 2004-07-08
GB0415354A GB0415354D0 (en) 2004-07-08 2004-07-08 Supply regulation for power amplifier
GB0419250 2004-08-27
GB0419250A GB0419250D0 (en) 2004-07-08 2004-08-27 Power control of a power amplifier

Publications (2)

Publication Number Publication Date
DE602005000437D1 true DE602005000437D1 (de) 2007-02-22
DE602005000437T2 DE602005000437T2 (de) 2007-10-31

Family

ID=35355400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005000437T Active DE602005000437T2 (de) 2004-07-08 2005-07-07 Leistungsregelung für Leistungsverstärker

Country Status (3)

Country Link
US (1) US7196583B2 (de)
EP (1) EP1619791B1 (de)
DE (1) DE602005000437T2 (de)

Families Citing this family (41)

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US7460842B2 (en) * 2005-09-08 2008-12-02 Motorola, Inc. Wireless transmitter having polar loop controller with current feedback and methods
WO2008091325A1 (en) * 2007-01-25 2008-07-31 Skyworks Solutions, Inc. Multimode amplifier for operation in linear and saturated modes
DE102007004911A1 (de) 2007-01-26 2008-08-07 Funkwerk Dabendorf Gmbh Mehrteilige Schaltungsanordnung zur Dämpfungskompensation
US7482866B2 (en) * 2007-02-06 2009-01-27 Himax Analogic, Inc. Audio system with power-on/off noise suppression and audio amplifier thereof
US7974258B2 (en) * 2007-03-01 2011-07-05 Intel Corporation Adaptive mode transmitter for PAPR reduction and link optimization
US7768353B2 (en) 2008-06-13 2010-08-03 Samsung Electro-Mechanics Company, Ltd. Systems and methods for switching mode power amplifier control
US8854019B1 (en) 2008-09-25 2014-10-07 Rf Micro Devices, Inc. Hybrid DC/DC power converter with charge-pump and buck converter
US9166471B1 (en) 2009-03-13 2015-10-20 Rf Micro Devices, Inc. 3D frequency dithering for DC-to-DC converters used in multi-mode cellular transmitters
US8315576B2 (en) 2009-05-05 2012-11-20 Rf Micro Devices, Inc. Capacitive compensation of cascaded directional couplers
US8204459B2 (en) * 2009-11-17 2012-06-19 Cooper Technologies Company Temperature impervious radio device amplifier output power control
US8548398B2 (en) 2010-02-01 2013-10-01 Rf Micro Devices, Inc. Envelope power supply calibration of a multi-mode radio frequency power amplifier
US8538355B2 (en) 2010-04-19 2013-09-17 Rf Micro Devices, Inc. Quadrature power amplifier architecture
US9553550B2 (en) 2010-04-20 2017-01-24 Qorvo Us, Inc. Multiband RF switch ground isolation
US9577590B2 (en) 2010-04-20 2017-02-21 Qorvo Us, Inc. Dual inductive element charge pump buck and buck power supplies
US9214900B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Interference reduction between RF communications bands
US9048787B2 (en) 2010-04-20 2015-06-02 Rf Micro Devices, Inc. Combined RF detector and RF attenuator with concurrent outputs
US8983407B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Selectable PA bias temperature compensation circuitry
US9362825B2 (en) 2010-04-20 2016-06-07 Rf Micro Devices, Inc. Look-up table based configuration of a DC-DC converter
US9030256B2 (en) 2010-04-20 2015-05-12 Rf Micro Devices, Inc. Overlay class F choke
US8947157B2 (en) 2010-04-20 2015-02-03 Rf Micro Devices, Inc. Voltage multiplier charge pump buck
US9008597B2 (en) 2010-04-20 2015-04-14 Rf Micro Devices, Inc. Direct current (DC)-DC converter having a multi-stage output filter
US8983410B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Configurable 2-wire/3-wire serial communications interface
US8942651B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. Cascaded converged power amplifier
US8913967B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Feedback based buck timing of a direct current (DC)-DC converter
US9184701B2 (en) 2010-04-20 2015-11-10 Rf Micro Devices, Inc. Snubber for a direct current (DC)-DC converter
US8831544B2 (en) 2010-04-20 2014-09-09 Rf Micro Devices, Inc. Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage
US8892063B2 (en) 2010-04-20 2014-11-18 Rf Micro Devices, Inc. Linear mode and non-linear mode quadrature PA circuitry
US9077405B2 (en) 2010-04-20 2015-07-07 Rf Micro Devices, Inc. High efficiency path based power amplifier circuitry
US8942650B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. RF PA linearity requirements based converter operating mode selection
US9214865B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Voltage compatible charge pump buck and buck power supplies
US8842399B2 (en) 2010-04-20 2014-09-23 Rf Micro Devices, Inc. ESD protection of an RF PA semiconductor die using a PA controller semiconductor die
US8989685B2 (en) 2010-04-20 2015-03-24 Rf Micro Devices, Inc. Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
US8913971B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Selecting PA bias levels of RF PA circuitry during a multislot burst
US8958763B2 (en) 2010-04-20 2015-02-17 Rf Micro Devices, Inc. PA bias power supply undershoot compensation
US9900204B2 (en) 2010-04-20 2018-02-20 Qorvo Us, Inc. Multiple functional equivalence digital communications interface
US8749309B2 (en) 2010-12-05 2014-06-10 Rf Micro Devices (Cayman Islands), Ltd. Gate-based output power level control power amplifier
US9002303B2 (en) * 2011-05-27 2015-04-07 Samsung Electronics Co., Ltd. Method and apparatus for programmable envelope shaping circuit based on piecewise linear interpolation
US9065505B2 (en) 2012-01-31 2015-06-23 Rf Micro Devices, Inc. Optimal switching frequency for envelope tracking power supply
TWI672918B (zh) 2014-08-17 2019-09-21 美商西凱渥資訊處理科技公司 用於使用３ｇ／４ｇ線性路徑組合之２ｇ放大之電路及方法
US9516693B2 (en) * 2014-09-24 2016-12-06 Qorvo Us, Inc. Fast transition envelope tracking
TWI590582B (zh) 2016-01-27 2017-07-01 絡達科技股份有限公司 功率放大電路及其操作方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345212B (en) 1997-12-31 2000-11-29 Motorola Inc Device having a tracking power converter for providing a linear power amplifier
JP2000196521A (ja) * 1998-12-25 2000-07-14 Matsushita Electric Ind Co Ltd 無線通信装置及び無線通信装置における送信電力制御方法
JP3942007B2 (ja) * 2001-06-29 2007-07-11 株式会社ルネサステクノロジ 高周波電力増幅回路
JP3932259B2 (ja) * 2001-12-12 2007-06-20 株式会社ルネサステクノロジ 高周波電力増幅回路および無線通信用電子部品
US6724252B2 (en) 2002-02-21 2004-04-20 Rf Micro Devices, Inc. Switched gain amplifier circuit
EP1381154A1 (de) 2002-07-09 2004-01-14 Lucent Technologies Inc. Leistungsverstärkung mit unterschiedlichen festgelegten Stromversorgungssignalen für einen Verstärker
GB0219466D0 (en) 2002-08-21 2002-10-02 Roke Manor Research Multi-carrier power amplifier with switched PSU voltages
US7091777B2 (en) * 2002-09-30 2006-08-15 Lucent Technologies Inc. Controller for an RF power amplifier
US6897730B2 (en) * 2003-03-04 2005-05-24 Silicon Laboratories Inc. Method and apparatus for controlling the output power of a power amplifier
US6998919B2 (en) * 2003-10-22 2006-02-14 Rf Micro Devices, Inc. Temperature compensated power amplifier power control

Also Published As

Publication number Publication date
DE602005000437T2 (de) 2007-10-31
EP1619791A1 (de) 2006-01-25
EP1619791B1 (de) 2007-01-10
US7196583B2 (en) 2007-03-27
US20060006943A1 (en) 2006-01-12

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Legal Events

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8364 No opposition during term of opposition