ATE435518T1 - Leistungsverstärkersystem - Google Patents

Leistungsverstärkersystem

Info

Publication number
ATE435518T1
ATE435518T1 AT03792459T AT03792459T ATE435518T1 AT E435518 T1 ATE435518 T1 AT E435518T1 AT 03792459 T AT03792459 T AT 03792459T AT 03792459 T AT03792459 T AT 03792459T AT E435518 T1 ATE435518 T1 AT E435518T1
Authority
AT
Austria
Prior art keywords
sub
power amplifier
threshold comparator
supply voltage
power
Prior art date
Application number
AT03792459T
Other languages
English (en)
Inventor
John Domokos
Original Assignee
Nokia Siemens Networks Gmbh
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 Nokia Siemens Networks Gmbh filed Critical Nokia Siemens Networks Gmbh
Application granted granted Critical
Publication of ATE435518T1 publication Critical patent/ATE435518T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • 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
    • H03F1/0244—Stepped control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/004—Control by varying the supply voltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT03792459T 2002-08-21 2003-08-06 Leistungsverstärkersystem ATE435518T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0219466.0A GB0219466D0 (en) 2002-08-21 2002-08-21 Multi-carrier power amplifier with switched PSU voltages
PCT/GB2003/003414 WO2004019486A1 (en) 2002-08-21 2003-08-06 A power amplifier system

Publications (1)

Publication Number Publication Date
ATE435518T1 true ATE435518T1 (de) 2009-07-15

Family

ID=9942713

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03792459T ATE435518T1 (de) 2002-08-21 2003-08-06 Leistungsverstärkersystem

Country Status (8)

Country Link
US (1) US20050242880A1 (de)
EP (1) EP1552603B1 (de)
CN (1) CN100431262C (de)
AT (1) ATE435518T1 (de)
AU (1) AU2003260715A1 (de)
DE (1) DE60328215D1 (de)
GB (1) GB0219466D0 (de)
WO (1) WO2004019486A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398648B (en) * 2003-02-19 2005-11-09 Nujira Ltd Power supply stage for an amplifier
US7196583B2 (en) 2004-07-08 2007-03-27 Sony United Kingdom Limited Power control of a power amplifier
JP4487754B2 (ja) 2004-12-10 2010-06-23 日本電気株式会社 携帯電話端末およびその電圧供給制御装置、ならびに電圧供給制御方法
DE602006010972D1 (de) * 2005-01-06 2010-01-21 Panasonic Corp Polarer Modulator und drahtlose Kommunikationsvorrichtung damit
US7917106B2 (en) * 2006-02-03 2011-03-29 Quantance, Inc. RF power amplifier controller circuit including calibrated phase control loop
CN101401261B (zh) 2006-02-03 2012-11-21 匡坦斯公司 功率放大器控制器电路
US7869542B2 (en) * 2006-02-03 2011-01-11 Quantance, Inc. Phase error de-glitching circuit and method of operating
US7761065B2 (en) * 2006-02-03 2010-07-20 Quantance, Inc. RF power amplifier controller circuit with compensation for output impedance mismatch
US7933570B2 (en) * 2006-02-03 2011-04-26 Quantance, Inc. Power amplifier controller circuit
US8032097B2 (en) 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
US8095090B2 (en) * 2006-02-03 2012-01-10 Quantance, Inc. RF power amplifier controller circuit
US7962174B2 (en) * 2006-07-12 2011-06-14 Andrew Llc Transceiver architecture and method for wireless base-stations
TW200904015A (en) * 2007-03-15 2009-01-16 Powercast Corp Multiple frequency transmitter, receiver, and systems thereof
WO2008134420A2 (en) * 2007-04-25 2008-11-06 Marvell World Trade Ltd. Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems
US7466195B2 (en) * 2007-05-18 2008-12-16 Quantance, Inc. Error driven RF power amplifier control with increased efficiency
US7783269B2 (en) * 2007-09-20 2010-08-24 Quantance, Inc. Power amplifier controller with polar transmitter
US8014735B2 (en) * 2007-11-06 2011-09-06 Quantance, Inc. RF power amplifier controlled by estimated distortion level of output signal of power amplifier
US8018277B2 (en) * 2008-09-09 2011-09-13 Quantance, Inc. RF power amplifier system with impedance modulation
US7782134B2 (en) * 2008-09-09 2010-08-24 Quantance, Inc. RF power amplifier system with impedance modulation
US7777566B1 (en) * 2009-02-05 2010-08-17 Quantance, Inc. Amplifier compression adjustment circuit
US8446219B2 (en) * 2009-06-17 2013-05-21 Futurewei Technologies, Inc. Class-G line driver control signal
EP2670047A1 (de) 2012-06-01 2013-12-04 Sequans Communications HF-Kommunikationen
CN104469620B (zh) * 2014-11-24 2018-05-08 青岛歌尔声学科技有限公司 一种音频输出功率大范围可调的声学产品
CN107066013B (zh) * 2017-06-21 2018-06-15 电子科技大学 一种测井仪功放电源自适应调整装置
CN107066000B (zh) * 2017-06-21 2018-06-15 电子科技大学 一种测井仪功放电源自适应调整方法
JP6904179B2 (ja) * 2017-09-06 2021-07-14 ヤマハ株式会社 増幅器、音響機器および制御方法
US11342894B2 (en) * 2018-11-19 2022-05-24 Maxim Integrated Products, Inc. Driver circuitry and associated methods
CN109698674A (zh) * 2018-12-11 2019-04-30 四川九洲电器集团有限责任公司 一种功率回退装置和电子设备及其控制方法
CN109511040B (zh) * 2018-12-27 2020-09-22 歌尔科技有限公司 一种耳语放大方法、装置及耳机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572107A (en) * 1980-06-04 1982-01-07 Pioneer Electronic Corp Power supply circuit of electric power amplifier
AU683308B2 (en) * 1993-11-30 1997-11-06 Crown International, Inc. Switch-mode power supply for a bridged linear amplifier
US5787336A (en) * 1994-11-08 1998-07-28 Space Systems/Loral, Inc. Satellite communication power management system
US6028486A (en) * 1997-10-07 2000-02-22 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing power dissipation in multi-carrier amplifiers
US6157253A (en) * 1999-09-03 2000-12-05 Motorola, Inc. High efficiency power amplifier circuit with wide dynamic backoff range
SE517622C2 (sv) * 1999-12-17 2002-06-25 Ericsson Telefon Ab L M Anordning för att minska en linjedrivares effektförlust
KR20020083735A (ko) * 2001-04-30 2002-11-04 고범종 고효율 전력증폭기
US6714071B1 (en) * 2001-06-25 2004-03-30 Nortel Networks Limited Gate modulation for high power amplifiers
US7031457B2 (en) * 2001-11-30 2006-04-18 Texas Instruments Incorporated Programmable peak detector for use with zero-overhead Class G line drivers
US6788151B2 (en) * 2002-02-06 2004-09-07 Lucent Technologies Inc. Variable output power supply
US7339426B2 (en) * 2004-03-19 2008-03-04 Powerwave Technologies, Inc. High efficiency linear amplifier employing dynamically controlled back off

Also Published As

Publication number Publication date
US20050242880A1 (en) 2005-11-03
AU2003260715A1 (en) 2004-03-11
CN1675827A (zh) 2005-09-28
WO2004019486A1 (en) 2004-03-04
CN100431262C (zh) 2008-11-05
EP1552603A1 (de) 2005-07-13
DE60328215D1 (de) 2009-08-13
AU2003260715A8 (en) 2004-03-11
GB0219466D0 (en) 2002-10-02
EP1552603B1 (de) 2009-07-01

Similar Documents

Publication Publication Date Title
DE60328215D1 (de) Leistungsverstärkersystem
DE60119371D1 (de) Schaltnetzteil
TW200509509A (en) Semiconductor device including DC-DC converter control circuit
TW200619639A (en) Voltage detection circuit
DE60209363D1 (de) Leistungsverstärker (pa) mit verbesserter leistungsregelung
TW201025811A (en) Control circuit and method for digital synchronous switching converter
DE602005021888D1 (de) Leistungsbegrenzung
TW201618407A (zh) 用於電子模組之過電流保護器件及過電流保護方法
TW200801926A (en) Cable sense mode for intelligent power saving in absence of link pulse
DE69827968D1 (de) Energiesparende Beleuchtungssteuerung
TW200637120A (en) Method, circuitry and electronic device for controlling a variable output DC power source
TW200611489A (en) Amplifying apparatus with automatic level controller
DK1552319T3 (da) Fremgangsmåde til strömforvaltning i en batteridrevet indretning og batteridrevet indretning
US20050213270A1 (en) Optical receiver
SE9803335L (sv) Effektomvandlingsanordning
ATE539475T1 (de) Spiegelsteuersystem
TW350958B (en) Sense amplifier enable signal generating circuit of semiconductor memory devices
ATE282940T1 (de) Plasmalichtbogeneinrichtung
TW200516235A (en) Infrared detecting device
BR0101239A (pt) Detetor de proximidade com reconhecimento
DE60328151D1 (de) Vorschaltgerät mit selbstanpassender Schutzschaltung bei Lebensenderkennung
JP6565241B2 (ja) ドハティ増幅器
ITTO20030921A1 (it) Dispositivo di comando di elettroattuatori con rilevamento dell'istante di fine attuazione e metodo di rilevamento dell'istante di fine attuazione di un elettroattuatore.
AU2003300274A8 (en) Apparatus and method for safely handling asynchronous shutdown of pulsewidth modulated output
KR101574300B1 (ko) 벅 컨버터

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties