DE69023753T2 - Hochfrequenzverstärker mit niedriger Verzerrung. - Google Patents

Hochfrequenzverstärker mit niedriger Verzerrung.

Info

Publication number
DE69023753T2
DE69023753T2 DE69023753T DE69023753T DE69023753T2 DE 69023753 T2 DE69023753 T2 DE 69023753T2 DE 69023753 T DE69023753 T DE 69023753T DE 69023753 T DE69023753 T DE 69023753T DE 69023753 T2 DE69023753 T2 DE 69023753T2
Authority
DE
Germany
Prior art keywords
high frequency
frequency amplifier
low distortion
distortion
low
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
DE69023753T
Other languages
English (en)
Other versions
DE69023753D1 (de
Inventor
Noriharu Suematsu
Tadashi Takagi
Shuji Urasaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69023753D1 publication Critical patent/DE69023753D1/de
Publication of DE69023753T2 publication Critical patent/DE69023753T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69023753T 1989-12-27 1990-12-20 Hochfrequenzverstärker mit niedriger Verzerrung. Expired - Fee Related DE69023753T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1341052A JPH07101820B2 (ja) 1989-12-27 1989-12-27 低歪高周波増幅装置

Publications (2)

Publication Number Publication Date
DE69023753D1 DE69023753D1 (de) 1996-01-04
DE69023753T2 true DE69023753T2 (de) 1996-05-09

Family

ID=18342791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023753T Expired - Fee Related DE69023753T2 (de) 1989-12-27 1990-12-20 Hochfrequenzverstärker mit niedriger Verzerrung.

Country Status (4)

Country Link
US (1) US5151664A (de)
EP (1) EP0435578B1 (de)
JP (1) JPH07101820B2 (de)
DE (1) DE69023753T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4987378A (en) * 1989-11-28 1991-01-22 General Electric Company Feedforward predistortion linearizer
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
US5510743A (en) * 1994-07-14 1996-04-23 Panasonic Technologies, Inc. Apparatus and a method for restoring an A-level clipped signal
DE19529267B4 (de) * 1995-08-09 2004-04-08 Rohde & Schwarz Gmbh & Co. Kg Kompensationsanordnung für einen Fernseh-HF-Leistungsverstärker
US5809400A (en) * 1996-06-21 1998-09-15 Lucent Technologies Inc. Intermodulation performance enhancement by dynamically controlling RF amplifier current
EP1457139A1 (de) * 1998-05-06 2004-09-15 Hill-Rom Services, Inc. Matratze oder Kissenstruktur
EP1032121A1 (de) * 1999-02-26 2000-08-30 Koninklijke Philips Electronics N.V. Elektronisches Gerät mit einem Leistungsverstärker
IT1312224B1 (it) 1999-03-23 2002-04-09 Cit Alcatel Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde.
US6717980B1 (en) 1999-05-24 2004-04-06 Koninklijke Philips Electronics N.V. Reduction of transmitter induced cross modulation in a receiver
US6677821B2 (en) * 2000-04-21 2004-01-13 Sony Corporation Distortion compensating apparatus
JP2002111398A (ja) * 2000-09-29 2002-04-12 Sony Corp 歪補償装置及び歪補償方法
US6794938B2 (en) * 2002-03-19 2004-09-21 The University Of North Carolina At Charlotte Method and apparatus for cancellation of third order intermodulation distortion and other nonlinearities
US7212584B2 (en) * 2002-08-05 2007-05-01 Hitachi Kokusai Electric Inc. Distortion compensator
EP1460767B1 (de) * 2003-03-18 2005-05-25 Telefonaktiebolaget LM Ericsson (publ) Funksender
US7062234B2 (en) * 2003-07-28 2006-06-13 Andrew Corporation Pre-distortion cross-cancellation for linearizing power amplifiers
JP4524160B2 (ja) * 2004-09-03 2010-08-11 矢崎総業株式会社 プリディストーションリニアライザシステムの設計方法
JP2006203271A (ja) * 2005-01-17 2006-08-03 Toshiba Corp 歪み発生回路および高周波回路
US10652065B2 (en) * 2018-09-19 2020-05-12 Apple Inc. Systems and methods for compression distortion compensation for wireless signals

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109336A5 (de) * 1970-10-13 1972-05-26 Thomson Csf
DE3002995C2 (de) * 1979-02-13 1983-09-29 Nippon Telegraph & Telephone Public Corp., Tokyo Anpassbares Entzerrungssystem
FR2482799A1 (fr) * 1980-05-14 1981-11-20 Lgt Lab Gen Telecomm Dispositif de precorrection de produits de non linearite et systeme de transmission de signaux de television comportant de tel dispositif
US4331928A (en) * 1980-06-02 1982-05-25 Rockwell International Corporation Referenced phase RF feedback linear amplifier
FR2517494A1 (fr) * 1981-11-27 1983-06-03 Thomson Csf Dispositif de correction automatique d'intermodulation produite par un amplificateur de signaux haute frequence dans un emetteur a bande laterale unique
JPS59128837A (ja) * 1983-01-14 1984-07-25 Nec Corp バ−スト信号用自動利得制御回路
JPS6025310A (ja) * 1983-07-22 1985-02-08 Fujitsu Ltd Ｓｓｂ多重無線装置用ｆｅｔ直線電力増幅装置
JPS60171831A (ja) * 1984-02-16 1985-09-05 Fujitsu Ltd 混変調補償装置
US4574248A (en) * 1984-05-07 1986-03-04 Rockwell International Corporation RF Power amplifier for use with VHF transceivers
JPS61187424A (ja) * 1985-02-14 1986-08-21 Fujitsu Ltd 歪補償回路
JPH01314006A (ja) * 1988-06-13 1989-12-19 Fujitsu Ltd 歪補償回路
US4879519A (en) * 1988-10-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Labs Predistortion compensated linear amplifier
JPH02131606A (ja) * 1988-11-12 1990-05-21 Nec Corp 非線形補償回路

Also Published As

Publication number Publication date
JPH03198511A (ja) 1991-08-29
EP0435578A2 (de) 1991-07-03
JPH07101820B2 (ja) 1995-11-01
EP0435578B1 (de) 1995-11-22
DE69023753D1 (de) 1996-01-04
US5151664A (en) 1992-09-29
EP0435578A3 (en) 1991-12-04

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Legal Events

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