DE69835831D1 - Verstärker und leitsungsvertsärkungsverfahren - Google Patents

Verstärker und leitsungsvertsärkungsverfahren

Info

Publication number
DE69835831D1
DE69835831D1 DE69835831T DE69835831T DE69835831D1 DE 69835831 D1 DE69835831 D1 DE 69835831D1 DE 69835831 T DE69835831 T DE 69835831T DE 69835831 T DE69835831 T DE 69835831T DE 69835831 D1 DE69835831 D1 DE 69835831D1
Authority
DE
Germany
Prior art keywords
amplifiers
control systems
systems
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 - Lifetime
Application number
DE69835831T
Other languages
English (en)
Other versions
DE69835831T2 (de
Inventor
Christer Vaktnaes
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69835831D1 publication Critical patent/DE69835831D1/de
Application granted granted Critical
Publication of DE69835831T2 publication Critical patent/DE69835831T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • 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
    • H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
DE69835831T 1997-11-21 1998-11-10 Verstärker und leitsungsvertsärkungsverfahren Expired - Lifetime DE69835831T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9704284 1997-11-21
SE9704284A SE510953C2 (sv) 1997-11-21 1997-11-21 En förstärkare och ett förfarande i effektförstärkaren
PCT/SE1998/002026 WO1999027645A1 (en) 1997-11-21 1998-11-10 An amplifier and a method of power amplification

Publications (2)

Publication Number Publication Date
DE69835831D1 true DE69835831D1 (de) 2006-10-19
DE69835831T2 DE69835831T2 (de) 2007-04-12

Family

ID=20409075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835831T Expired - Lifetime DE69835831T2 (de) 1997-11-21 1998-11-10 Verstärker und leitsungsvertsärkungsverfahren

Country Status (10)

Country Link
US (1) US6163213A (de)
EP (1) EP1032973B1 (de)
JP (1) JP4149666B2 (de)
KR (1) KR100553251B1 (de)
CN (1) CN1279842A (de)
AU (1) AU1266199A (de)
CA (1) CA2311475C (de)
DE (1) DE69835831T2 (de)
SE (1) SE510953C2 (de)
WO (1) WO1999027645A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357670A (en) * 1999-12-24 2001-06-27 Nokia Networks Oy Controlling a base station transmitter comprising a multi-carrier power amplifier
US7078967B2 (en) 1999-12-30 2006-07-18 Nokia Corporation Control of bias voltage
US6934341B2 (en) * 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
US6573793B1 (en) * 2002-04-10 2003-06-03 Romulo Gutierrez Reflect forward adaptive linearizer amplifier
US20040125885A1 (en) * 2002-12-27 2004-07-01 Roger Branson Intermodulation product cancellation in communications
US7313370B2 (en) * 2002-12-27 2007-12-25 Nokia Siemens Networks Oy Intermodulation product cancellation in communications
KR100735418B1 (ko) 2003-10-22 2007-07-04 삼성전자주식회사 도허티 앰프
WO2006003608A1 (en) 2004-06-29 2006-01-12 Koninklijke Philips Electronics N.V. Integrated doherty type amplifier arrangement with high power efficiency
CN102801391B (zh) * 2012-08-10 2014-09-03 昆山美博通讯科技有限公司 一种模块化的前馈功率放大器
WO2014171033A1 (ja) * 2013-04-19 2014-10-23 株式会社村田製作所 高周波モジュール
WO2019227295A1 (zh) * 2018-05-28 2019-12-05 华为技术有限公司 一种信号处理装置及信号处理方法
EP3804128A1 (de) * 2018-06-01 2021-04-14 Telefonaktiebolaget LM Ericsson (publ) Verminderung der intermodulationsverzerrung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718172A1 (de) * 1977-04-23 1978-11-02 Bosch Gmbh Robert Schaltungsvorrichtung zur kompensation von intermodulationsprodukten in verstaerkern
US4879519A (en) * 1988-10-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Labs Predistortion compensated linear amplifier
US5117197A (en) * 1990-11-09 1992-05-26 Hughes Aircraft Company High-power feed-forward microwave amplifier apparatus with out-of-band intermodulation product suppression
US5619168A (en) * 1995-08-07 1997-04-08 Lucent Technologies Inc. Distortion creation and reduction circuit
EP0762630A1 (de) * 1995-09-08 1997-03-12 AT&T IPM Corp. Leistungsverstärkerschaltung mit niedriger Verzerrung
US5850162A (en) * 1997-02-20 1998-12-15 Harris Corporation Linearization of an amplifier employing modified feedforward correction

Also Published As

Publication number Publication date
JP4149666B2 (ja) 2008-09-10
SE510953C2 (sv) 1999-07-12
EP1032973A1 (de) 2000-09-06
AU1266199A (en) 1999-06-15
US6163213A (en) 2000-12-19
WO1999027645A1 (en) 1999-06-03
JP2001524769A (ja) 2001-12-04
CN1279842A (zh) 2001-01-10
KR100553251B1 (ko) 2006-02-20
CA2311475C (en) 2007-05-29
DE69835831T2 (de) 2007-04-12
SE9704284L (sv) 1999-05-22
CA2311475A1 (en) 1999-06-03
SE9704284D0 (sv) 1997-11-21
KR20010032280A (ko) 2001-04-16
EP1032973B1 (de) 2006-09-06

Similar Documents

Publication Publication Date Title
DE69828963D1 (de) Wirstoffabgabe und gentherapiesystem
DE69637170D1 (de) Zonenbasierte güterordnung und steuersystem
DE19782156T1 (de) Verstärkerumschaltsteuerung und -System
DE69831028D1 (de) Kühlanlage und Regelverfahren
NO992774D0 (no) UtblÕsingssikring-styresystem
ATE357252T1 (de) Adjuvanzsysteme und impfstoffe
DE69738197D1 (de) Azolotriazine und pyrimidine
DE69842210D1 (de) Einführvorrichtung Und Einführungssatz
DE69730413D1 (de) Batteriesteuerungssystem und batteriesimulator
DE69736502D1 (de) Verstärkungsregler
DE69823583D1 (de) Kassette und Kassetenliefersystem
DE69817082D1 (de) Kassette und Markierungssystem
DE69932963D1 (de) Bremssteuerungssyteme und Verfahren
DE69620485T2 (de) Spielsysteme und Zwischenverstärker dafür
DE69819610D1 (de) Verteiltes Verarbeitungstypensteuerungssystem
DE69838941D1 (de) Roboterkontrollverfahren und roboterkontrollsystem
DE69839933D1 (de) Bildkommunikationssysteme und Kommunikationssteuerungsverfahren
DE69836329D1 (de) Schneller und hochverstärkender operationsverstärker
DE19882072T1 (de) Stellglied und Steuervorrichtung hierfür
DE959898T1 (de) Laktoferrin varianten und verwendungen davon
DE69835831D1 (de) Verstärker und leitsungsvertsärkungsverfahren
DE69841293D1 (de) Steuerungssystem
DE69804320T2 (de) Kraftabgängige detektoren und systemen
DE69832027D1 (de) Integriertes kraft-und steuerungssystem
DE69833076D1 (de) Operationsverstärker

Legal Events

Date Code Title Description
8364 No opposition during term of opposition