JP2016504892A5 - - Google Patents

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Publication number
JP2016504892A5
JP2016504892A5 JP2015555218A JP2015555218A JP2016504892A5 JP 2016504892 A5 JP2016504892 A5 JP 2016504892A5 JP 2015555218 A JP2015555218 A JP 2015555218A JP 2015555218 A JP2015555218 A JP 2015555218A JP 2016504892 A5 JP2016504892 A5 JP 2016504892A5
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JP
Japan
Prior art keywords
voltage
headroom
supply voltage
amplifier
tracking
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.)
Ceased
Application number
JP2015555218A
Other languages
English (en)
Japanese (ja)
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JP2016504892A (ja
Filing date
Publication date
Priority claimed from US13/752,287 external-priority patent/US8866547B2/en
Application filed filed Critical
Publication of JP2016504892A publication Critical patent/JP2016504892A/ja
Publication of JP2016504892A5 publication Critical patent/JP2016504892A5/ja
Ceased legal-status Critical Current

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JP2015555218A 2013-01-28 2014-01-21 エンベロープトラッキングのための動的ヘッドルーム Ceased JP2016504892A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/752,287 2013-01-28
US13/752,287 US8866547B2 (en) 2013-01-28 2013-01-28 Dynamic headroom for envelope tracking
PCT/US2014/012393 WO2014116608A2 (en) 2013-01-28 2014-01-21 Dynamic headroom for envelope tracking

Publications (2)

Publication Number Publication Date
JP2016504892A JP2016504892A (ja) 2016-02-12
JP2016504892A5 true JP2016504892A5 (enExample) 2018-06-21

Family

ID=51205563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015555218A Ceased JP2016504892A (ja) 2013-01-28 2014-01-21 エンベロープトラッキングのための動的ヘッドルーム

Country Status (6)

Country Link
US (2) US8866547B2 (enExample)
EP (1) EP2949041B1 (enExample)
JP (1) JP2016504892A (enExample)
KR (1) KR20150110711A (enExample)
CN (1) CN104956588B (enExample)
WO (1) WO2014116608A2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8866547B2 (en) 2013-01-28 2014-10-21 Qualcomm Incorporated Dynamic headroom for envelope tracking
US9729964B2 (en) 2014-06-26 2017-08-08 Apple Inc. Audio apparatus having dynamic ground break resistance
US9584012B2 (en) * 2015-02-14 2017-02-28 Skyworks Solutions, Inc. Quick-start high-voltage boost
US9838058B2 (en) * 2015-02-15 2017-12-05 Skyworks Solutions, Inc. Power amplification system with variable supply voltage
US9602057B1 (en) * 2015-09-18 2017-03-21 Samsung Electronics Co., Ltd Apparatus for and method of a supply modulator for a power amplifier
US10148227B2 (en) * 2017-02-17 2018-12-04 Qorvo Us, Inc. RF power amplifier dynamic supply boosting circuit
US10326405B2 (en) * 2017-05-18 2019-06-18 Qualcomm Incorporated Class-H switching amplifier circuit having supply voltage proportional to an audio signal
US11218116B2 (en) 2019-10-03 2022-01-04 Skyworks Solutions, Inc. Fast ramping power amplifier boost converter
US11159159B1 (en) * 2020-09-09 2021-10-26 Applied Materials, Inc. Electroplating controller with power based head-room control
US11750164B2 (en) 2020-11-17 2023-09-05 Harman International Industries, Incorporated Controlled rail-voltage decay for boost power supply output protection

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JPH04119707A (ja) * 1990-09-10 1992-04-21 Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk 高効率増幅器
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IL125022A (en) 1998-06-21 2001-09-13 Israel Bar David Methods and apparatus for adaptive adjustment of feed-forward linearized amplifiers
AU7551600A (en) 2000-03-10 2001-09-17 Paragon Communications Ltd. Method and apparatus for improving the efficiency of power amplifiers, operatingunder a large peak-to-average ratio
US6492867B2 (en) 2000-03-10 2002-12-10 Paragon Communications Ltd. Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio
US6417736B1 (en) * 2000-11-01 2002-07-09 Lewyn Consulting, Inc. Multiple-voltage supply power amplifier with dynamic headroom control
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WO2004112236A1 (en) 2003-06-16 2004-12-23 Paragon Communications Ltd. Method and apparatus for dynamically regulating the supply voltage of a power amplifier
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US8521204B2 (en) * 2004-09-30 2013-08-27 Motorola Mobility Llc Signal configuration based transmitter adjustment in wireless communication devices
GB2440485B (en) 2005-04-27 2009-06-03 Paragon Comm Ltd Transformer-capacitor enhancement circuitry for power amplifiers
US7348847B2 (en) 2005-04-28 2008-03-25 Sige Semiconductor Inc. Integrated implementation of a collector boost scheme and method therefor
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US7932780B2 (en) 2005-05-20 2011-04-26 Paragon Communications Ltd. Method for implementation and parameter settings of a voltage enhancement circuit for amplifiers as an integrated circuit (IC)
US7443244B2 (en) 2005-07-14 2008-10-28 Motorola, Inc. Method and apparatus for controlling a power amplifier supply voltage
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WO2007060675A1 (en) 2005-11-28 2007-05-31 Paragon Communications Ltd. Method and apparatus for optimizing current consumption of amplifiers with power control
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US8193860B2 (en) 2006-11-21 2012-06-05 Qualcomm, Incorporated Method and apparatus for automatically controlling an XNN® enhancement circuitry feeding a power amplifier
US7679433B1 (en) * 2007-02-02 2010-03-16 National Semiconductor Corporation Circuit and method for RF power amplifier power regulation and modulation envelope tracking
US8019293B2 (en) * 2007-03-09 2011-09-13 Skyworks Solutions, Inc. Controller and method for using a DC-DC converter in a mobile handset
CN100452647C (zh) * 2007-03-23 2009-01-14 清华大学 一种小输出电阻、大输出幅度的电压跟随器
US8000665B2 (en) * 2008-10-28 2011-08-16 Freescale Semiconductor, Inc. Systems and methods for adjusting headroom of a power amplifier
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ATE545199T1 (de) 2009-07-06 2012-02-15 Nxp Bv Klasse-h-verstärker
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US8212620B2 (en) 2009-08-28 2012-07-03 Rockford Corporation Boosted-rail amplifier
US9491822B2 (en) * 2010-10-01 2016-11-08 Intersil Americas LLC LED driver with adaptive dynamic headroom voltage control
US8698558B2 (en) * 2011-06-23 2014-04-15 Qualcomm Incorporated Low-voltage power-efficient envelope tracker
US8786373B2 (en) * 2012-02-21 2014-07-22 Calogero D. Presti Adjustable bypass circuit for a supply voltage for an amplifier
US8754707B2 (en) * 2012-10-24 2014-06-17 Qualcomm Incorporated Boost converter control for envelope tracking
US8866547B2 (en) 2013-01-28 2014-10-21 Qualcomm Incorporated Dynamic headroom for envelope tracking

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