DE69111615D1 - Begrenzungssteuerung in einen mikrowellenleistungssender. - Google Patents

Begrenzungssteuerung in einen mikrowellenleistungssender.

Info

Publication number
DE69111615D1
DE69111615D1 DE69111615T DE69111615T DE69111615D1 DE 69111615 D1 DE69111615 D1 DE 69111615D1 DE 69111615 T DE69111615 T DE 69111615T DE 69111615 T DE69111615 T DE 69111615T DE 69111615 D1 DE69111615 D1 DE 69111615D1
Authority
DE
Germany
Prior art keywords
power transmitter
microwave power
limit control
limit
control
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.)
Expired - Fee Related
Application number
DE69111615T
Other languages
English (en)
Other versions
DE69111615T2 (de
Inventor
John Mcnicol
Stephen Harman
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of DE69111615D1 publication Critical patent/DE69111615D1/de
Publication of DE69111615T2 publication Critical patent/DE69111615T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Liquid Crystal (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
DE69111615T 1990-10-31 1991-10-11 Begrenzungssteuerung in einen mikrowellenleistungssender. Expired - Fee Related DE69111615T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/607,385 US5170495A (en) 1990-10-31 1990-10-31 Controlling clipping in a microwave power amplifier
PCT/CA1991/000360 WO1992008282A1 (en) 1990-10-31 1991-10-11 Controlling clipping in a microwave power amplifier

Publications (2)

Publication Number Publication Date
DE69111615D1 true DE69111615D1 (de) 1995-08-31
DE69111615T2 DE69111615T2 (de) 1995-12-21

Family

ID=24432043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69111615T Expired - Fee Related DE69111615T2 (de) 1990-10-31 1991-10-11 Begrenzungssteuerung in einen mikrowellenleistungssender.

Country Status (6)

Country Link
US (1) US5170495A (de)
EP (1) EP0555239B1 (de)
JP (1) JP2881187B2 (de)
CA (1) CA2085606C (de)
DE (1) DE69111615T2 (de)
WO (1) WO1992008282A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06260864A (ja) * 1993-03-08 1994-09-16 Matsushita Electric Ind Co Ltd 送信出力増幅器
GB9316869D0 (en) * 1993-08-13 1993-09-29 Philips Electronics Uk Ltd Transmitter and power amplifier therefor
US5428642A (en) * 1993-11-01 1995-06-27 Ponto; Robert Power Amplifier
US5838733A (en) * 1993-12-23 1998-11-17 Motorola, Inc. Method and apparatus for mitigating signal distortion in a communication system
US5574967A (en) * 1994-01-11 1996-11-12 Ericsson Ge Mobile Communications, Inc. Waste energy control and management in power amplifiers
US5507015A (en) * 1994-02-28 1996-04-09 Motorola, Inc. Method and apparatus for automatic modulation calibration in a radio transmitter
JPH08316756A (ja) * 1995-05-22 1996-11-29 Saitama Nippon Denki Kk 送信出力制御方式
JP3708232B2 (ja) * 1995-10-30 2005-10-19 富士通株式会社 歪補償回路を有する送信装置
DE19812488A1 (de) * 1998-03-21 1999-09-23 Bosch Gmbh Robert Verstärkervorrichtung für ein mobiles TDMA-Funktelefon und mobiles Funktelefon
US6046635A (en) * 1998-04-08 2000-04-04 Powerwave Technologies, Inc. Dynamic predistortion compensation for a power amplifier
JP3462388B2 (ja) * 1998-04-28 2003-11-05 松下電器産業株式会社 無線通信装置
GB9811381D0 (en) * 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd Predistortion control for power reduction
GB2346773A (en) * 1999-01-12 2000-08-16 Nds Ltd Pre-clipping module for a non-linear high power amplifier
GB9911880D0 (en) * 1999-05-22 1999-07-21 Marconi Electronic Syst Ltd Amplifier circuit
US6239658B1 (en) * 1999-08-20 2001-05-29 Prominent Communications Inc. Power consumption control for low noise amplifier
US6434135B1 (en) * 1999-08-31 2002-08-13 Interdigital Technology Corporation Adaptive RF amplifier prelimiter
KR20010059473A (ko) * 1999-12-30 2001-07-06 윤종용 이동통신 단말기의 송신장치 및 방법
JP2001352355A (ja) * 2000-06-08 2001-12-21 Nec Corp ダイレクトコンバージョン受信機及び送受信機
JP2001352262A (ja) * 2000-06-08 2001-12-21 Fujitsu Ltd 送信電力制御装置および送信装置
US7145962B2 (en) * 2000-08-04 2006-12-05 Lg-Nortel Co., Ltd. Predistortion digital linearizer and gain controlling method thereof
JP2002076947A (ja) * 2000-08-25 2002-03-15 Sharp Corp 送信機
KR100374828B1 (ko) * 2000-09-15 2003-03-04 엘지전자 주식회사 적응성 전치왜곡 송신기
JP2002094335A (ja) * 2000-09-19 2002-03-29 Japan Science & Technology Corp 非線形歪み補償電力増幅器
US7471935B2 (en) * 2000-10-23 2008-12-30 Intel Corporation Automatic level control
GB2369941A (en) * 2000-12-09 2002-06-12 Roke Manor Research A polar loop amplifier arrangement with variable gain in a feedback loop
US7570709B2 (en) * 2001-03-08 2009-08-04 Siemens Aktiengesellschaft Automatic transmit power control loop with modulation averaging
GB2375247A (en) * 2001-04-30 2002-11-06 Wireless Systems Int Ltd Signal processing apparatus incorporating clipping/attenuation and predistortion
US7158765B2 (en) * 2001-07-31 2007-01-02 Agere Systems, Inc. Method and apparatus for controlling power of a transmitted signal
US6917788B2 (en) * 2001-08-02 2005-07-12 International Business Machines Corporation Wireless communications system having variable gain mixer
US7469136B2 (en) * 2001-11-30 2008-12-23 Motorola, Inc. RF receivers and methods therefor
US20040057533A1 (en) * 2002-09-23 2004-03-25 Kermalli Munawar Hussein System and method for performing predistortion at intermediate frequency
US6812792B2 (en) * 2003-01-02 2004-11-02 Harris Corporation Precorrection of a nonlinear amplifier
JP4311034B2 (ja) * 2003-02-14 2009-08-12 沖電気工業株式会社 帯域復元装置及び電話機
US7418244B2 (en) * 2003-08-04 2008-08-26 Analog Devices, Inc. Radio transmitter with accurate power control
US7643803B2 (en) * 2005-06-29 2010-01-05 Intel Corporation Power estimation of a transmission
JP2010166453A (ja) * 2009-01-16 2010-07-29 Sumitomo Electric Ind Ltd 歪補償装置及び無線基地局
US9647623B2 (en) * 2009-09-30 2017-05-09 Silicon Laboratories Inc. Signal processor suitable for low intermediate frequency (LIF) or zero intermediate frequency (ZIF) operation
CN102118132B (zh) * 2009-12-31 2013-06-05 华为技术有限公司 功率放大器和信号处理方法
SG191912A1 (en) * 2011-01-11 2013-08-30 Aviat Networks Inc Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a gan (gallium nitride) power amplifier device
US8639199B1 (en) * 2012-08-24 2014-01-28 Mcafee, Inc. System and method for high performance coherent peak compression estimation
CN103051588A (zh) * 2012-12-05 2013-04-17 北京邮电大学 一种提升射频放大器能量效率的极化状态-幅度-相位联合调制方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
JPS5521682A (en) * 1978-08-03 1980-02-15 Matsushita Electric Ind Co Ltd Automatic gain control unit
US4462001A (en) * 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
US4475242A (en) * 1982-11-10 1984-10-02 Marc Rafal Microwave communications system
GB2135546B (en) * 1983-02-23 1986-03-19 Philips Electronic Associated Polar loop transmitter
US4485349A (en) * 1983-04-08 1984-11-27 Varian Associates, Inc. Stabilized microwave power amplifier system
JPS6022830A (ja) * 1983-07-19 1985-02-05 Nec Corp ヘテロダイン型送信機
JPS6058729A (ja) * 1983-09-12 1985-04-04 Nec Corp 衛星通信用送信装置
US4700151A (en) * 1985-03-20 1987-10-13 Nec Corporation Modulation system capable of improving a transmission system
US4639938A (en) * 1985-11-06 1987-01-27 E-Systems, Inc. RF pulse transmitter having incidental phase modulation (IPM) correction
US4709215A (en) * 1985-12-30 1987-11-24 Hughes Aircraft Company Traveling wave tube drive controller
DE3686421T2 (de) * 1986-04-03 1993-01-28 Motorola Inc Ukw-empfaenger mit rauschunterdrueckung beim empfang von signalen mit "raleigh"-ueberblendung.
US4742312A (en) * 1987-05-22 1988-05-03 Delco Electronics Corporation Power limiting audio amplifier temperature protection circuit
US5021753A (en) * 1990-08-03 1991-06-04 Motorola, Inc. Splatter controlled amplifier

Also Published As

Publication number Publication date
EP0555239B1 (de) 1995-07-26
CA2085606C (en) 1996-04-16
DE69111615T2 (de) 1995-12-21
JPH05507834A (ja) 1993-11-04
JP2881187B2 (ja) 1999-04-12
EP0555239A1 (de) 1993-08-18
US5170495A (en) 1992-12-08
WO1992008282A1 (en) 1992-05-14

Similar Documents

Publication Publication Date Title
DE69111615D1 (de) Begrenzungssteuerung in einen mikrowellenleistungssender.
DE69111283D1 (de) Mikroprozessor mit niedrigem Leistungsverbrauch.
DE69204519D1 (de) Kraftübertragung.
DE69013193D1 (de) Sendeleistungsregelsystem in einem Funkgerät.
DE69206283D1 (de) Stromversorgung mit hohem Leistungsfaktor.
FI104299B1 (fi) Lähetysannon ohjauspiiri
DE69112666D1 (de) Mikrowellenkoppeleinrichtung.
DE68913639D1 (de) Elektromagnetischer Antrieb.
NO870786L (no) Siloutmatingsinnretning omfattende et styrtr anordnet i siloen.
DE69110516D1 (de) Stromversorgung.
FI915736A0 (fi) A-oxoacetamidderivat.
KR910013592U (ko) 전자레인지에서의 출력제어장치
DE69108586D1 (de) Stromversorgungsschaltung.
FR2677706B1 (fr) Statoreacteur a ejecteur.
DE69109727D1 (de) Leistungsgetriebe.
DE69024560D1 (de) Funksender mit Ausgangsleistungssteuerung
DE69113320D1 (de) Antriebs-Umschaltvorrichtung mit verbesserter Umschaltzeit.
DE68901343D1 (de) Magnetron.
DE59004675D1 (de) Leistungs-Steuereinheit.
DE69109325D1 (de) Leistungsfaktorverbesserungsschaltung.
DE69105400D1 (de) Schaltnetzteil.
DE68913331D1 (de) Magnetron.
DE68918528D1 (de) Polyacrylatgepfropfte Polyoldispergiermittel.
DE69101574D1 (de) Leistungsgetriebe.
DE69229201D1 (de) Zellulartelefon mit Sendeleistungssteuerung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee