ZA912619B - Predistortion linearizer for microwave power amplifiers - Google Patents

Predistortion linearizer for microwave power amplifiers

Info

Publication number
ZA912619B
ZA912619B ZA912619A ZA912619A ZA912619B ZA 912619 B ZA912619 B ZA 912619B ZA 912619 A ZA912619 A ZA 912619A ZA 912619 A ZA912619 A ZA 912619A ZA 912619 B ZA912619 B ZA 912619B
Authority
ZA
South Africa
Prior art keywords
power amplifiers
microwave power
predistortion linearizer
linearizer
predistortion
Prior art date
Application number
ZA912619A
Other languages
English (en)
Inventor
Antonio Abbiati
Abbiati Antonio
Carlo Buoli
Buoli Carlo
Luigi Cervi
Cervi Luigi
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of ZA912619B publication Critical patent/ZA912619B/xx

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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
ZA912619A 1990-04-09 1991-04-09 Predistortion linearizer for microwave power amplifiers ZA912619B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19975A IT1239472B (it) 1990-04-09 1990-04-09 Linearizzatore del tipo a predistorsione per amplificatori di potenza a microonde

Publications (1)

Publication Number Publication Date
ZA912619B true ZA912619B (en) 1992-01-29

Family

ID=11162779

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912619A ZA912619B (en) 1990-04-09 1991-04-09 Predistortion linearizer for microwave power amplifiers

Country Status (9)

Country Link
US (1) US5138275A (es)
EP (1) EP0451909B1 (es)
JP (1) JP2825993B2 (es)
AU (1) AU637209B2 (es)
DE (1) DE69105587T2 (es)
ES (1) ES2064880T3 (es)
IT (1) IT1239472B (es)
NO (1) NO177479C (es)
ZA (1) ZA912619B (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272133B (en) * 1992-11-02 1996-06-12 Motorola Inc Radio system
US5280931A (en) * 1992-11-20 1994-01-25 Thistle Sports Enterprises, Inc. Roller brake
IT1256225B (it) * 1992-12-23 1995-11-29 Sits Soc It Telecom Siemens Procedimento e circuito per la compensazione adattativa delle distorsioni di guadagno di un amplificatore alle microonde con linearizzatore
JPH10500824A (ja) * 1994-05-19 1998-01-20 オーテル コーポレイション 電子及び光信号線形化のための列をなした前置歪み発生装置
US5523716A (en) * 1994-10-13 1996-06-04 Hughes Aircraft Company Microwave predistortion linearizer
US5815038A (en) * 1995-04-28 1998-09-29 Mitsubishi Denki Kabushiki Kaisha Distortion compensation circuit
US5673001A (en) * 1995-06-07 1997-09-30 Motorola, Inc. Method and apparatus for amplifying a signal
US5796307A (en) * 1995-11-16 1998-08-18 Ntt Mobile Communications Network Inc. Amplifying device having input and output nonlinear phase shifters of opposite phase-frequency characteristics
US6223019B1 (en) 1996-03-14 2001-04-24 Sirius Satellite Radio Inc. Efficient high latitude service area satellite mobile broadcasting systems
US5808511A (en) * 1996-08-09 1998-09-15 Trw Inc. Active feedback pre-distortion linearization
US5982236A (en) * 1997-01-21 1999-11-09 Matsushita Electric Industrial Co., Ltd. High-frequency power amplifier
US6023616A (en) * 1998-03-10 2000-02-08 Cd Radio Inc. Satellite broadcast receiver system
JPH10335980A (ja) * 1997-06-04 1998-12-18 Nec Corp 低歪高効率整合回路
FI103743B1 (fi) * 1997-08-27 1999-08-31 Insinoeoeritoimisto Juhana Yli Linearisointipiiri
US6255908B1 (en) 1999-09-03 2001-07-03 Amplix Temperature compensated and digitally controlled amplitude and phase channel amplifier linearizer for multi-carrier amplification systems
IT1317976B1 (it) * 2000-06-16 2003-07-21 Siemens Inf & Comm Networks Metodo e sistema di trasmissione e ricezione alle microonde di segnaliad ampia dinamica di livello nell'inviluppo di modulazione
CN1233090C (zh) * 2000-08-11 2005-12-21 新加坡国立大学 可编程射频前置补偿线性电路及其方法
CN1302615C (zh) * 2000-08-28 2007-02-28 三菱电机株式会社 多级放大器
US6717463B2 (en) * 2000-11-03 2004-04-06 Qualcomm Incorporated Circuit for linearizing electronic devices
GB0028713D0 (en) * 2000-11-24 2001-01-10 Nokia Networks Oy Lineariser
JP2002368546A (ja) * 2001-06-06 2002-12-20 Nec Corp 前置歪み補償器とそれを使用する線形増幅器
US6864742B2 (en) * 2001-06-08 2005-03-08 Northrop Grumman Corporation Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers
KR100457785B1 (ko) * 2002-06-05 2004-11-18 주식회사 웨이브아이씨스 전기적 튜닝이 가능한 전치왜곡기
JP4868433B2 (ja) * 2004-02-09 2012-02-01 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 歪み補償装置および歪み補償機能付き電力増幅装置
US7596326B2 (en) * 2005-10-27 2009-09-29 Emcore Corporation Distortion cancellation circuitry for optical receivers
US7729667B2 (en) * 2006-02-16 2010-06-01 Raytheon Company System and method for intermodulation distortion cancellation
US7634198B2 (en) * 2006-06-21 2009-12-15 Emcore Corporation In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment
US8391811B2 (en) * 2009-12-30 2013-03-05 Triquint Semiconductor, Inc. Input-power overload-protection circuit
WO2012135070A2 (en) * 2011-03-25 2012-10-04 Wavestream Corporation Frequency-desensitizer for broadband predistortion linearizers
WO2016179541A1 (en) 2015-05-06 2016-11-10 Rfaxis, Inc. Rf power amplifiers with diode linearizer
CN113242023B (zh) * 2021-03-30 2022-07-26 宁波大学 一种场效应管串联反射式肖特基二极管的模拟预失真器
CN114285381B (zh) * 2021-12-20 2024-02-09 电子科技大学 一种基于共源结构的双路式宽带线性化器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039830A (en) * 1963-11-28 1966-08-24 Standard Telephones Cables Ltd A radio-frequency transistorised amplifier
DE2140851B2 (de) * 1971-08-14 1976-03-11 Rohde & Schwarz, 8000 München Schaltung zum erzeugen einer vorbestimmten, zur kompensation der nichtlinearitaeten eines nachgeschalteten verstaerkers dienenden und hierzu komplementaeren vorverzerrung eines hochfrequenz-, insbesondere eines fernseh- signals
JPS5326362B2 (es) * 1972-09-01 1978-08-02
CA981762A (en) * 1972-10-27 1976-01-13 Jan J. Spisar Signal-processing method and device
US3996524A (en) * 1975-11-05 1976-12-07 Rca Corporation Linear amplifier utilizing adaptive biasing
JPS5828766B2 (ja) * 1977-01-22 1983-06-17 日本電信電話株式会社 非直線位相ひずみ補償回路
JPS586327A (ja) * 1981-07-03 1983-01-13 Jidosha Kiki Co Ltd デイ−ゼルエンジン用グロ−プラグ
US4465980A (en) * 1982-09-23 1984-08-14 Rca Corporation Predistortion circuit for a power amplifier
US4532477A (en) * 1983-12-23 1985-07-30 At&T Bell Laboratories Distortion compensation for a microwave amplifier
IT1215370B (it) * 1987-02-26 1990-02-08 Gtg Ora Siemens Telecomunicazi Linearizzatore per amplificatore di potenza a microonde.
JP2546279B2 (ja) * 1987-08-05 1996-10-23 ソニー株式会社 可変振幅等化器

Also Published As

Publication number Publication date
ES2064880T3 (es) 1995-02-01
NO911360L (no) 1991-10-10
IT9019975A0 (it) 1990-04-09
EP0451909B1 (en) 1994-12-07
JPH04252506A (ja) 1992-09-08
AU7412691A (en) 1991-10-10
EP0451909A3 (en) 1992-09-02
JP2825993B2 (ja) 1998-11-18
NO177479B (no) 1995-06-12
AU637209B2 (en) 1993-05-20
NO911360D0 (no) 1991-04-08
EP0451909A2 (en) 1991-10-16
IT9019975A1 (it) 1991-10-09
US5138275A (en) 1992-08-11
NO177479C (no) 1995-09-20
DE69105587T2 (de) 1995-05-18
DE69105587D1 (de) 1995-01-19
IT1239472B (it) 1993-11-02

Similar Documents

Publication Publication Date Title
ZA912619B (en) Predistortion linearizer for microwave power amplifiers
EP0630104A3 (en) "Doherty" type microwave amplifier.
AU9502198A (en) Predistortion for high power amplifiers
AU4718199A (en) Predistortion technique for high power amplifiers
EP0367458A3 (en) A predistortion compensated linear amplifier
NZ241014A (en) Feed forward distortion minimisation circuit for rf power amplifiers
EP0492856A3 (en) Predistortion technique for communications systems
GR3018603T3 (en) VSWR adaptive power amplifier system
GB9217679D0 (en) Combiners for r.f.power amplifiers
EP0261813A3 (en) Linearizer for twt amplifiers
EP0485183A3 (en) High power feed-forward microwave amplifier with out-of-band intermodulation product suppression
AU1258483A (en) Amplifier predistortion compensation
GB2281656B (en) Radio frequency power amplification
AU8865398A (en) Predistortion linearizer circuit
ZA881290B (en) Linearizer for microwave power amplifiers
GB2258097B (en) Microwave power amplifiers
EP0498893A4 (en) Microwave multi-stage amplifier
EP0283143A3 (en) Power amplifier having low intermodulation distortion
EP0450846A3 (en) Power source circuit for microwave oven
GB2281668B (en) Radio transmitter with power amplifier linearizer
EP0450316A3 (en) High frequency transistor power amplifier
EP0443368A3 (en) Constant-amplitude wave combination type amplifier
GB2254212B (en) Power amplifiers
GB2282290B (en) Radio transmitter with power amplifier linearizer
GB2269952B (en) Combiners for R.F. power amplifiers