NO880786D0 - Lineariserer for mikroboelgeeffektforsterkere. - Google Patents

Lineariserer for mikroboelgeeffektforsterkere.

Info

Publication number
NO880786D0
NO880786D0 NO880786A NO880786A NO880786D0 NO 880786 D0 NO880786 D0 NO 880786D0 NO 880786 A NO880786 A NO 880786A NO 880786 A NO880786 A NO 880786A NO 880786 D0 NO880786 D0 NO 880786D0
Authority
NO
Norway
Prior art keywords
linearizer
microwave effect
amplifiers
effect amplifiers
microwave
Prior art date
Application number
NO880786A
Other languages
English (en)
Other versions
NO880786L (no
Inventor
Carlo Buoli
Nicolangelo Palermo
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 NO880786D0 publication Critical patent/NO880786D0/no
Publication of NO880786L publication Critical patent/NO880786L/no

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
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
    • C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
    • C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
    • C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5003—Polyethers having heteroatoms other than oxygen having halogens
    • C08G18/5015—Polyethers having heteroatoms other than oxygen having halogens having fluorine atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C09J175/08—Polyurethanes from polyethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Molecular Biology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NO880786A 1987-02-26 1988-02-23 Lineariserer for mikroboelgeeffektforsterkere. NO880786L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8719497A IT1215370B (it) 1987-02-26 1987-02-26 Linearizzatore per amplificatore di potenza a microonde.

Publications (2)

Publication Number Publication Date
NO880786D0 true NO880786D0 (no) 1988-02-23
NO880786L NO880786L (no) 1988-08-29

Family

ID=11158529

Family Applications (1)

Application Number Title Priority Date Filing Date
NO880786A NO880786L (no) 1987-02-26 1988-02-23 Lineariserer for mikroboelgeeffektforsterkere.

Country Status (6)

Country Link
US (1) US4772855A (no)
EP (1) EP0280356A3 (no)
AU (1) AU607184B2 (no)
IT (1) IT1215370B (no)
NO (1) NO880786L (no)
ZA (1) ZA881290B (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882547A (en) * 1988-11-15 1989-11-21 General Electric Company Linearizer control system
EP0391235A1 (de) * 1989-04-04 1990-10-10 Siemens Aktiengesellschaft Analoger Vorverzerrer
US4992754B1 (en) * 1989-09-07 1997-10-28 Ortel Corp Predistorter for linearization of electronic and optical signals
IT1239472B (it) * 1990-04-09 1993-11-02 Sits Soc It Telecom Siemens Linearizzatore del tipo a predistorsione per amplificatori di potenza a microonde
EP0577899B1 (en) * 1992-07-10 1997-10-08 Thomcast Aural carrier correction system and method
US5394113A (en) * 1992-08-28 1995-02-28 Harris Corporation High impedance low-distortion linear amplifier
US5418578A (en) * 1993-12-27 1995-05-23 Harris Corporation Precorrecting an aural carrier signal in a common amplifier system
US6112062A (en) * 1997-09-26 2000-08-29 The Whitaker Corporation Predistortion for high power amplifiers
US6101224A (en) * 1998-10-07 2000-08-08 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a linearly modulated signal using polar modulation
US7126999B2 (en) * 2003-08-11 2006-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Pseudo-polar modulation for radio transmitters
CN105281692A (zh) * 2014-06-30 2016-01-27 展讯通信（上海）有限公司 一种射频功率放大控制系统及移动终端
CN112019181B (zh) * 2020-07-17 2023-03-28 中国人民解放军战略支援部队信息工程大学 一种极高频宽带线性化器设计方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306294A1 (de) * 1973-02-08 1974-08-15 Rohde & Schwarz Schaltung zur kompensation der nichtlinearitaet eines verstaerkers, insbesondere des leistungsverstaerkers eines fernsehsenders
US4268802A (en) * 1979-05-23 1981-05-19 Fisher Charles B Modulation distortion reducer
US4373115A (en) * 1980-08-18 1983-02-08 Kahn Leonard R Predictive distortion reduction in AM stereo transmitters
FR2520957A1 (fr) * 1982-01-29 1983-08-05 Thomson Csf Dispositif de correction d'intermodulation produite par un amplificateur de signaux haute frequence regule en niveau crete
GB2153173B (en) * 1984-01-19 1987-09-30 Marconi Co Ltd High-frequency pre-distortion circuit for power amplifiers
US4600892A (en) * 1984-06-28 1986-07-15 Hughes Aircraft Company RF amplifier with frequency spectrum control
IT1178599B (it) * 1984-10-31 1987-09-09 Gte Communication Syst Predistorcitore a tre vie a fondamentale soppressa
US4554514A (en) * 1984-12-21 1985-11-19 Rca Corporation Predistortion circuit with feedback
CA1280180C (en) * 1987-02-02 1991-02-12 Masatoshi Ishida Nonlinear signal generating circuit and nonlinear compensating deviceusing the same

Also Published As

Publication number Publication date
EP0280356A3 (en) 1989-06-07
EP0280356A2 (en) 1988-08-31
ZA881290B (en) 1988-08-23
AU1171288A (en) 1988-09-01
AU607184B2 (en) 1991-02-28
NO880786L (no) 1988-08-29
IT8719497A0 (it) 1987-02-26
US4772855A (en) 1988-09-20
IT1215370B (it) 1990-02-08

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