ATE521130T1 - Stromversorgung mit ultraschneller modulation der ausgabespannung - Google Patents

Stromversorgung mit ultraschneller modulation der ausgabespannung

Info

Publication number
ATE521130T1
ATE521130T1 AT10000151T AT10000151T ATE521130T1 AT E521130 T1 ATE521130 T1 AT E521130T1 AT 10000151 T AT10000151 T AT 10000151T AT 10000151 T AT10000151 T AT 10000151T AT E521130 T1 ATE521130 T1 AT E521130T1
Authority
AT
Austria
Prior art keywords
ultra
power supply
output voltage
envelope signal
voltage modulation
Prior art date
Application number
AT10000151T
Other languages
English (en)
Inventor
Piotr Markowski
Lin Guo Wang
Original Assignee
Astec Int 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
Application filed by Astec Int Ltd filed Critical Astec Int Ltd
Application granted granted Critical
Publication of ATE521130T1 publication Critical patent/ATE521130T1/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
    • H03F1/02—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
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • 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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
AT10000151T 2007-03-13 2008-01-04 Stromversorgung mit ultraschneller modulation der ausgabespannung ATE521130T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89457007P 2007-03-13 2007-03-13
US11/869,121 US7859336B2 (en) 2007-03-13 2007-10-09 Power supply providing ultrafast modulation of output voltage

Publications (1)

Publication Number Publication Date
ATE521130T1 true ATE521130T1 (de) 2011-09-15

Family

ID=39345166

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10000151T ATE521130T1 (de) 2007-03-13 2008-01-04 Stromversorgung mit ultraschneller modulation der ausgabespannung

Country Status (5)

Country Link
US (2) US7859336B2 (de)
EP (2) EP2137815A2 (de)
CN (2) CN102355197A (de)
AT (1) ATE521130T1 (de)
WO (1) WO2008112041A2 (de)

Families Citing this family (124)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7602155B2 (en) * 2005-07-27 2009-10-13 Artesyn Technologies, Inc. Power supply providing ultrafast modulation of output voltage
US7859336B2 (en) * 2007-03-13 2010-12-28 Astec International Limited Power supply providing ultrafast modulation of output voltage
EP2073383B1 (de) * 2007-12-19 2011-08-10 Sequans Communications Verstärkeranordnung
US8253400B2 (en) * 2008-08-07 2012-08-28 Microsemi Corporation Current sensing for high voltage buck converter
FR2936911A1 (fr) * 2008-10-02 2010-04-09 Thomson Licensing Reseau de commande d'alimentation d'un systeme d'elements actifs
US8103226B2 (en) 2008-10-28 2012-01-24 Skyworks Solutions, Inc. Power amplifier saturation detection
US8620240B2 (en) * 2009-02-05 2013-12-31 Nec Corporation Power amplifier and power amplifying method
US8405456B2 (en) * 2009-03-31 2013-03-26 Quantance, Inc. High speed power supply system
CN101908902A (zh) * 2009-06-08 2010-12-08 深圳富泰宏精密工业有限公司 无线通信装置及其功放效率控制模块
US9112452B1 (en) 2009-07-14 2015-08-18 Rf Micro Devices, Inc. High-efficiency power supply for a modulated load
KR101101560B1 (ko) * 2009-12-07 2012-01-02 삼성전기주식회사 전력 증폭기
GB2479579B (en) 2010-04-15 2017-12-06 Snaptrack Inc Timing alignment for modulated supply
US8633766B2 (en) 2010-04-19 2014-01-21 Rf Micro Devices, Inc. Pseudo-envelope follower power management system with high frequency ripple current compensation
US8981848B2 (en) 2010-04-19 2015-03-17 Rf Micro Devices, Inc. Programmable delay circuitry
US9431974B2 (en) * 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
CN102971962B (zh) 2010-04-19 2016-05-25 射频小型装置公司 伪包络跟随功率管理系统
US9099961B2 (en) 2010-04-19 2015-08-04 Rf Micro Devices, Inc. Output impedance compensation of a pseudo-envelope follower power management system
US8519788B2 (en) 2010-04-19 2013-08-27 Rf Micro Devices, Inc. Boost charge-pump with fractional ratio and offset loop for supply modulation
US8482346B2 (en) * 2010-06-14 2013-07-09 Harman International Industries, Incorporated High efficiency balanced output amplifier system
US8497734B2 (en) * 2010-06-14 2013-07-30 Harman International Industries, Incorporated High efficiency audio amplifier system
WO2012014395A1 (ja) * 2010-07-27 2012-02-02 株式会社日立国際電気 増幅装置
WO2012017579A1 (ja) * 2010-08-03 2012-02-09 日本電気株式会社 電源変調器及びその制御方法
WO2012027039A1 (en) * 2010-08-25 2012-03-01 Rf Micro Devices, Inc. Multi-mode/multi-band power management system
WO2012047738A1 (en) 2010-09-29 2012-04-12 Rf Micro Devices, Inc. SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS
US8782107B2 (en) 2010-11-16 2014-07-15 Rf Micro Devices, Inc. Digital fast CORDIC for envelope tracking generation
KR101128485B1 (ko) 2010-11-23 2012-03-27 포항공과대학교 산학협력단 스위트 스팟 추적을 이용한 포락선 추적 전력 증폭 장치
WO2012079031A1 (en) * 2010-12-09 2012-06-14 Rf Micro Devices, Inc. Pseudo-envelope follower power management system with high frequency ripple current compensation
US8588713B2 (en) 2011-01-10 2013-11-19 Rf Micro Devices, Inc. Power management system for multi-carriers transmitter
KR101213778B1 (ko) * 2011-01-11 2012-12-18 (주)펄서스 테크놀러지 노이즈 보상을 위한 전압 가변형 디지털 오디오 증폭 장치 및 그 방법
WO2012106437A1 (en) 2011-02-02 2012-08-09 Rf Micro Devices, Inc. Fast envelope system calibration
US8624760B2 (en) 2011-02-07 2014-01-07 Rf Micro Devices, Inc. Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table
WO2012109227A2 (en) 2011-02-07 2012-08-16 Rf Micro Devices, Inc. Group delay calibration method for power amplifier envelope tracking
GB2488124B (en) 2011-02-15 2014-01-08 Nujira Ltd Control of cross-over point for a push-pull amplifier
US9246460B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power management architecture for modulated and constant supply operation
US9247496B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power loop control based envelope tracking
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
WO2012166992A1 (en) 2011-05-31 2012-12-06 Rf Micro Devices, Inc. Rugged iq receiver based rf gain measurements
US9019011B2 (en) 2011-06-01 2015-04-28 Rf Micro Devices, Inc. Method of power amplifier calibration for an envelope tracking system
US8760228B2 (en) 2011-06-24 2014-06-24 Rf Micro Devices, Inc. Differential power management and power amplifier architecture
WO2013012787A2 (en) 2011-07-15 2013-01-24 Rf Micro Devices, Inc. Modified switching ripple for envelope tracking system
US8952710B2 (en) 2011-07-15 2015-02-10 Rf Micro Devices, Inc. Pulsed behavior modeling with steady state average conditions
US8626091B2 (en) 2011-07-15 2014-01-07 Rf Micro Devices, Inc. Envelope tracking with variable compression
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
US8618868B2 (en) 2011-08-17 2013-12-31 Rf Micro Devices, Inc. Single charge-pump buck-boost for providing independent voltages
WO2013033700A1 (en) * 2011-09-02 2013-03-07 Rf Micro Devices, Inc. Split vcc and common vcc power management architecture for envelope tracking
US8957728B2 (en) 2011-10-06 2015-02-17 Rf Micro Devices, Inc. Combined filter and transconductance amplifier
KR101784885B1 (ko) * 2011-10-14 2017-10-13 삼성전자주식회사 전력증폭기에서 인터리빙 스위칭 장치 및 방법
US9294041B2 (en) 2011-10-26 2016-03-22 Rf Micro Devices, Inc. Average frequency control of switcher for envelope tracking
US9024688B2 (en) 2011-10-26 2015-05-05 Rf Micro Devices, Inc. Dual parallel amplifier based DC-DC converter
CN103959189B (zh) 2011-10-26 2015-12-23 射频小型装置公司 基于电感的并行放大器相位补偿
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
US8975959B2 (en) 2011-11-30 2015-03-10 Rf Micro Devices, Inc. Monotonic conversion of RF power amplifier calibration data
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
WO2013082384A1 (en) 2011-12-01 2013-06-06 Rf Micro Devices, Inc. Rf power converter
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US8947161B2 (en) 2011-12-01 2015-02-03 Rf Micro Devices, Inc. Linear amplifier power supply modulation for envelope tracking
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9298198B2 (en) 2011-12-28 2016-03-29 Rf Micro Devices, Inc. Noise reduction for envelope tracking
US8890502B2 (en) 2012-02-17 2014-11-18 Quantance, Inc. Low-noise, high bandwidth quasi-resonant mode switching power supply
US8952753B2 (en) 2012-02-17 2015-02-10 Quantance, Inc. Dynamic power supply employing a linear driver and a switching regulator
US8816768B2 (en) * 2012-04-12 2014-08-26 Mediatek Inc. Power module for envelope tracking
US8854127B2 (en) * 2012-05-15 2014-10-07 Intel Mobile Communications GmbH DC-DC converter for envelope tracking
US8981839B2 (en) 2012-06-11 2015-03-17 Rf Micro Devices, Inc. Power source multiplexer
US8665025B2 (en) * 2012-07-09 2014-03-04 Hbc Solutions, Inc. Push-pull amplification systems and methods
CN104662792B (zh) 2012-07-26 2017-08-08 Qorvo美国公司 用于包络跟踪的可编程rf陷波滤波器
EP2704319B1 (de) * 2012-08-28 2017-03-01 Samsung Electronics Co., Ltd Audiovorrichtung und Ausgabeverfahren dafür
US8854134B2 (en) * 2012-08-30 2014-10-07 Infineon Technologies Ag Chip card
US9225231B2 (en) 2012-09-14 2015-12-29 Rf Micro Devices, Inc. Open loop ripple cancellation circuit in a DC-DC converter
US9197256B2 (en) 2012-10-08 2015-11-24 Rf Micro Devices, Inc. Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
US9207692B2 (en) 2012-10-18 2015-12-08 Rf Micro Devices, Inc. Transitioning from envelope tracking to average power tracking
US9627975B2 (en) 2012-11-16 2017-04-18 Qorvo Us, Inc. Modulated power supply system and method with automatic transition between buck and boost modes
WO2014116933A2 (en) 2013-01-24 2014-07-31 Rf Micro Devices, Inc Communications based adjustments of an envelope tracking power supply
US9178472B2 (en) 2013-02-08 2015-11-03 Rf Micro Devices, Inc. Bi-directional power supply signal based linear amplifier
US9203353B2 (en) 2013-03-14 2015-12-01 Rf Micro Devices, Inc. Noise conversion gain limited RF power amplifier
US9197162B2 (en) 2013-03-14 2015-11-24 Rf Micro Devices, Inc. Envelope tracking power supply voltage dynamic range reduction
JP6149452B2 (ja) * 2013-03-22 2017-06-21 富士通株式会社 電源装置および半導体集積回路装置
CN104104340B (zh) * 2013-04-03 2018-05-29 安凯(广州)微电子技术有限公司 一种射频功率放大器
US9479118B2 (en) 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
KR101515930B1 (ko) * 2013-06-04 2015-05-04 포항공과대학교 산학협력단 스위치 전류의 조절을 이용한 고효율 포락선 증폭기를 위한 장치 및 방법.
US9374005B2 (en) 2013-08-13 2016-06-21 Rf Micro Devices, Inc. Expanded range DC-DC converter
EP2911281B1 (de) * 2014-02-24 2019-04-10 Nxp B.V. Elektronisches Gerät
US9823703B2 (en) 2014-03-27 2017-11-21 Google Inc. Modules and connections for modules to couple to a computing device
US9954490B2 (en) 2014-03-27 2018-04-24 Kabushiki Kaisha Toshiba Amplifier circuitry for envelope modulators, envelope modulators incorporating said amplifier circuitry and method of modulating a signal envelope
US10042402B2 (en) 2014-04-07 2018-08-07 Google Llc Systems and methods for thermal management of a chassis-coupled modular mobile electronic device
US9929778B2 (en) 2014-04-07 2018-03-27 Google Llc Systems for enabling chassis-coupled modular mobile electronic devices
US9867125B2 (en) 2014-04-07 2018-01-09 Google Llc Systems for enabling modular mobile electronic devices
EP3129857A4 (de) 2014-04-07 2017-11-29 Google LLC System und verfahren für das leistungsmanagement einer modularen mobilen elektronischen vorrichtung
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
WO2016029222A1 (en) 2014-08-22 2016-02-25 Google Inc. Systems and methods for enabling radio-frequency communication of a modular mobile electronic device
US9614942B2 (en) 2014-08-22 2017-04-04 Google Inc. Systems and methods for tangible configuration of a modular mobile electronic device
WO2016029219A1 (en) 2014-08-22 2016-02-25 Google Inc. Systems for module interfacing of modular mobile electronic devices
KR102429755B1 (ko) * 2015-01-28 2022-08-05 한국전자통신연구원 포락선-추적 전력증폭기의 포락선 신호 지연 조정 장치 및 그 방법
US10404225B2 (en) * 2015-06-26 2019-09-03 Kabushiki Kaisha Toshiba Amplifier circuitry and method for amplifying a signal using said amplifier circuitry
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
US9843294B2 (en) 2015-07-01 2017-12-12 Qorvo Us, Inc. Dual-mode envelope tracking power converter circuitry
KR101664732B1 (ko) * 2015-08-07 2016-10-12 성균관대학교산학협력단 다중 출력 전압을 생성하는 동적 바이어스 변조기 및 이를 이용한 전력 증폭 장치
CN114710122B (zh) * 2015-08-14 2025-10-28 维尔塞特公司 数字动态偏置电路
US10038405B2 (en) * 2015-09-30 2018-07-31 Skyworks Solutions, Inc. Apparatus and methods for multi-supply voltage power amplifiers
US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
CN108333393B (zh) * 2017-01-20 2021-12-24 罗德施瓦兹两合股份有限公司 探针和校正方法
TWI638515B (zh) * 2017-03-10 2018-10-11 新唐科技股份有限公司 放大器
CN107017765A (zh) * 2017-04-01 2017-08-04 唯捷创芯(天津)电子技术股份有限公司 一种具有串并联结构的包络线跟踪电源、芯片及通信终端
US11168609B2 (en) 2017-04-24 2021-11-09 General Electric Company Adaptive linear linked piston electric power generator
US10270396B2 (en) 2017-04-24 2019-04-23 Gatesair, Inc. Push-pull amplification systems and methods
KR102454810B1 (ko) * 2017-05-26 2022-10-13 삼성전기주식회사 옵셋 제거 기능을 갖는 엔벨로프-추적 전류 바이어스 회로
CN107493080A (zh) * 2017-09-01 2017-12-19 广州时艺音响科技有限公司 低内阻缓冲输出电路
US10291184B1 (en) * 2018-01-10 2019-05-14 Intel IP Corporation Control of envelope tracker PMIC
US10135339B1 (en) 2018-01-24 2018-11-20 Silanna Asia Pte Ltd High-speed open-loop switch-mode boost converter
CN110233806B (zh) * 2018-03-05 2020-10-16 华为技术有限公司 一种线路驱动装置
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
CN109218915B (zh) * 2018-09-05 2021-05-28 厦门傅里叶电子有限公司 具有直流保护功能的数字功放芯片及其直流保护方法
IL263850B (en) * 2018-12-19 2020-06-30 Elbit Systems Land & C4I Ltd System and method for compensating for ripple generated from a power supply
WO2020257052A1 (en) * 2019-06-18 2020-12-24 Hubbell Incorporated Alternating current (ac) voltage regulator and method of operating the same
US11683016B2 (en) * 2020-01-09 2023-06-20 Skyworks Solutions, Inc. ISO-gain implementation for a WiFi symbol-power-tracking architecture
US11424717B2 (en) 2020-07-24 2022-08-23 Silanna Asia Pte Ltd High-speed closed-loop switch-mode boost converter
US12574174B2 (en) * 2020-08-17 2026-03-10 Qualcomm Incorporated Reference signal configuration to account for a compression factor associated with transmit (TX) nonlinearity
JP2022144011A (ja) * 2021-03-18 2022-10-03 キオクシア株式会社 電源回路及び半導体集積回路
CN113849030B (zh) * 2021-09-26 2022-10-18 江苏中普科技有限公司 功率放大器功耗自适应装置及其方法
CN113595518B (zh) * 2021-09-30 2021-12-07 成都明夷电子科技有限公司 一种自适应高可靠性hbt线性功率放大器
US12328106B2 (en) 2022-05-06 2025-06-10 Analog Devices International Unlimited Company Power amplifier modulator

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600667A (en) * 1969-09-16 1971-08-17 Us Army Power supply having parallel dissipative and switching regulators
GB1499980A (en) * 1974-01-17 1978-02-01 Acoustical Mfg Co Ltd Amplifiers
FR2433852A1 (fr) * 1978-08-16 1980-03-14 Lucas Industries Ltd Circuit d'alimentation electrique pour emetteur-recepteur
US4378530A (en) * 1979-07-04 1983-03-29 Unisearch Limited High-efficiency low-distortion amplifier
US4516080A (en) * 1982-04-01 1985-05-07 Unisearch Limited High-efficiency low distortion parallel amplifier
US5563780A (en) * 1993-12-08 1996-10-08 International Power Systems, Inc. Power conversion array applying small sequentially switched converters in parallel
US5905407A (en) * 1997-07-30 1999-05-18 Motorola, Inc. High efficiency power amplifier using combined linear and switching techniques with novel feedback system
EP0899643B1 (de) * 1997-08-29 2005-03-09 STMicroelectronics S.r.l. Linearer Spannungsregler mit geringem Verbrauch und hoher Versorgungsspannungsunterdrückung
US6121761A (en) * 1998-07-06 2000-09-19 Herbert; Edward Fast transition power supply
US6107880A (en) 1998-08-06 2000-08-22 Motorola, Inc. Method and apparatus for increasing the linearity of the phase and gain of a power amplifier circuit
US6043707A (en) * 1999-01-07 2000-03-28 Motorola, Inc. Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier
US6009000A (en) * 1999-02-05 1999-12-28 The Aerospace Corporation Shared-bus current sharing parallel connected current-mode DC to DC converters
EP1061629B1 (de) * 1999-06-07 2004-08-25 STMicroelectronics S.r.l. Einzeldraht-Stromverteilungssteuerungsverfahren für Parallel-/Redundant Betrieb einer Mehrzahl von Impulsbreitenmodulationskonvertern
US6215290B1 (en) * 1999-11-15 2001-04-10 Semtech Corporation Multi-phase and multi-module power supplies with balanced current between phases and modules
US6281666B1 (en) * 2000-03-14 2001-08-28 Advanced Micro Devices, Inc. Efficiency of a multiphase switching power supply during low power mode
US6292378B1 (en) * 2000-04-07 2001-09-18 Linfinity Microelectronics Method and apparatus for programmable current sharing
US6300826B1 (en) * 2000-05-05 2001-10-09 Ericsson Telefon Ab L M Apparatus and method for efficiently amplifying wideband envelope signals
AU2001276206A1 (en) * 2000-07-12 2002-01-21 Indigo Manufacturing Inc. Power amplifier with multiple power supplies
TW521177B (en) * 2000-08-31 2003-02-21 Primarion Inc Apparatus and system for providing transient suppression power regulation
US6642631B1 (en) * 2000-10-17 2003-11-04 Semiconductor Components Industries Llc Circuit and method of direct duty cycle current sharing
US6534962B1 (en) * 2000-11-21 2003-03-18 Intel Corporation Voltage regulator having an inductive current sensing element
US6362607B1 (en) * 2000-12-19 2002-03-26 Intel Corporation Gated multi-phase fixed duty cycle voltage regulator
US6362608B1 (en) * 2001-02-01 2002-03-26 Maxim Integrated Products, Inc. Multi-phase switching converters and methods
US6674274B2 (en) * 2001-02-08 2004-01-06 Linear Technology Corporation Multiple phase switching regulators with stage shedding
US6509722B2 (en) * 2001-05-01 2003-01-21 Agere Systems Inc. Dynamic input stage biasing for low quiescent current amplifiers
US6449174B1 (en) * 2001-08-06 2002-09-10 Fairchild Semiconductor Corporation Current sharing in a multi-phase power supply by phase temperature control
US6424129B1 (en) * 2001-08-21 2002-07-23 Semtech Corporation Method and apparatus for accurately sensing output current in a DC-to-DC voltage converter
US6781452B2 (en) * 2001-08-29 2004-08-24 Tropian, Inc. Power supply processing for power amplifiers
US6661210B2 (en) * 2002-01-23 2003-12-09 Telfonaktiebolaget L.M. Ericsson Apparatus and method for DC-to-DC power conversion
US7551688B2 (en) * 2002-04-18 2009-06-23 Nokia Corporation Waveforms for envelope tracking transmitter
US6861829B2 (en) * 2002-08-12 2005-03-01 Micron Technology, Inc. Apparatus and methods for regulated voltage
US7091777B2 (en) * 2002-09-30 2006-08-15 Lucent Technologies Inc. Controller for an RF power amplifier
US7116946B2 (en) * 2002-10-28 2006-10-03 Matsushita Electric Industrial Co., Ltd. Transmitter
KR100960038B1 (ko) * 2002-12-12 2010-05-31 삼성전자주식회사 전원공급시스템 및 그 제어방법
WO2004082135A2 (en) * 2003-03-12 2004-09-23 Analog Devices, Inc. Closed loop power control of non-constant envelope waveforms using sample/hold
US7109689B2 (en) * 2003-04-04 2006-09-19 Intersil Americas Inc. Transient-phase PWM power supply and method
US6850045B2 (en) * 2003-04-29 2005-02-01 Texas Instruments Incorporated Multi-phase and multi-module power system with a current share bus
US6833760B1 (en) * 2003-07-07 2004-12-21 National Semiconductor Corporation Low power differential amplifier powered by multiple unequal power supply voltages
TWI355792B (en) * 2003-08-29 2012-01-01 Rohm Co Ltd Power supply and electronic device having same
TW589791B (en) * 2003-09-04 2004-06-01 Micro Star Int Co Ltd Synchronous parallel voltage conversion device
KR100822360B1 (ko) * 2003-09-16 2008-04-16 노키아 코포레이션 폴라 송신기내에 사용되는 하이브리드 스위치드 모드/선형전력 증폭기 전력 공급원을 구비한 무선 주파수 송신기동작 방법
US6894559B1 (en) * 2003-09-30 2005-05-17 Nortel Networks Limited Modulated power supply
US7026868B2 (en) * 2003-11-20 2006-04-11 Northrop Grumman Corporation Variable supply amplifier system
CN1914791A (zh) * 2003-12-05 2007-02-14 艾利森电话股份有限公司 单芯片功率放大器和包络调制器
JP2005175561A (ja) * 2003-12-08 2005-06-30 Renesas Technology Corp 高周波電力増幅回路用電源回路および電源用半導体集積回路並びに電源用電子部品
CN100483929C (zh) * 2004-04-27 2009-04-29 松下电器产业株式会社 放大器、信息通信设备及放大方法
US7229886B2 (en) * 2004-08-23 2007-06-12 Enpirion, Inc. Method of forming an integrated circuit incorporating higher voltage devices and low voltage devices therein
US6992353B1 (en) * 2004-11-01 2006-01-31 Silicon-Based Technology Corp. Self-aligned source structure of planar DMOS power transistor and its manufacturing methods
US7142053B2 (en) * 2004-12-06 2006-11-28 Skyworks Solutions, Inc. Voltage clamp for improved transient performance of a collector voltage controlled power amplifier
US7190150B2 (en) * 2005-02-28 2007-03-13 Freescale Semiconductor, Inc. DC—DC converter for power level tracking power amplifiers
JP4616067B2 (ja) * 2005-04-28 2011-01-19 株式会社リコー 定電圧電源回路
US7196917B2 (en) * 2005-07-22 2007-03-27 Texas Instruments Incorporated PFC pre-regulator frequency dithering circuit
US7602155B2 (en) * 2005-07-27 2009-10-13 Artesyn Technologies, Inc. Power supply providing ultrafast modulation of output voltage
JP2009505391A (ja) * 2005-08-10 2009-02-05 エヌエックスピー ビー ヴィ Ｌｄｍｏｓトランジスタ
GB2438457B (en) 2006-03-17 2011-09-14 Nujira Ltd Joint optimisation of supply and bias modulation
JP4481962B2 (ja) * 2006-07-12 2010-06-16 株式会社東芝 電源装置、増幅装置、無線装置および再生装置
JP4963891B2 (ja) * 2006-08-01 2012-06-27 ローム株式会社 負荷駆動回路
US7859336B2 (en) 2007-03-13 2010-12-28 Astec International Limited Power supply providing ultrafast modulation of output voltage
US7994761B2 (en) * 2007-10-08 2011-08-09 Astec International Limited Linear regulator with RF transistors and a bias adjustment circuit

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US20090184764A1 (en) 2009-07-23
CN101669280A (zh) 2010-03-10
US20080224769A1 (en) 2008-09-18
US7808313B2 (en) 2010-10-05
CN102355197A (zh) 2012-02-15
CN101669280B (zh) 2013-08-21
EP2166666A1 (de) 2010-03-24
WO2008112041A3 (en) 2008-10-30
EP2166666B1 (de) 2011-08-17
EP2137815A2 (de) 2009-12-30
WO2008112041A2 (en) 2008-09-18
US7859336B2 (en) 2010-12-28

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