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 US8866547B2 (en) 2013-01-28 2013-01-28 Dynamic headroom for envelope tracking
US13/752,287 2013-01-28
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 (https=) 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 (https=)
EP (1) EP2949041B1 (https=)
JP (1) JP2016504892A (https=)
KR (1) KR20150110711A (https=)
CN (1) CN104956588B (https=)
WO (1) WO2014116608A2 (https=)

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
WO2021067616A1 (en) 2019-10-03 2021-04-08 Skyworks Solutions, Inc. Jump-start 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
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
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US6417736B1 (en) * 2000-11-01 2002-07-09 Lewyn Consulting, Inc. Multiple-voltage supply power amplifier with dynamic headroom control
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WO2006114792A1 (en) 2005-04-27 2006-11-02 Paragon Communications Ltd. Transformer-capacitor enhancement circuitry for power amplifiers
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US8611835B2 (en) 2005-05-20 2013-12-17 Qualcomm Incorporated Method and apparatus for sensing the envelope of high level multi frequency band RF signals
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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
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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
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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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