DE69629855D1 - Verstärkervorrichtung - Google Patents

Verstärkervorrichtung

Info

Publication number: DE69629855D1
Authority: DE; Germany
Prior art keywords: amplifier device; amplifier
Prior art date: 1995-11-16
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

DE69629855T

Other languages

English (en)

Other versions

DE69629855T2 (de

Inventor

Ken Kumagai

Toshio Nojima

Shoichi Narahashi

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.)

NTT Docomo Inc

Nippon Telegraph and Telephone Corp

Original Assignee

Nippon Telegraph and Telephone Corp

NTT Mobile Communications Networks Inc

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.)

1995-11-16

Filing date

1996-11-15

Publication date

2003-10-09

1996-11-15 Application filed by Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp

2003-10-09 Application granted granted Critical

2003-10-09 Publication of DE69629855D1 publication Critical patent/DE69629855D1/de

2004-07-15 Publication of DE69629855T2 publication Critical patent/DE69629855T2/de

2016-11-16 Anticipated expiration legal-status Critical

Status 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
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
- 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

DE69629855T 1995-11-16 1996-11-15 Verstärkervorrichtung Expired - Lifetime DE69629855T2 (de)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP29868495		1995-11-16
JP29868495		1995-11-16
JP32336595		1995-12-12
JP32336495		1995-12-12
JP32336595		1995-12-12
JP32336495		1995-12-12

Publications (2)

Publication Number	Publication Date
DE69629855D1 true DE69629855D1 (de)	2003-10-09
DE69629855T2 DE69629855T2 (de)	2004-07-15

Family

ID=27338240

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE69629855T Expired - Lifetime DE69629855T2 (de)	1995-11-16	1996-11-15	Verstärkervorrichtung
DE69623909T Expired - Lifetime DE69623909T2 (de)	1995-11-16	1996-11-15	Verstärkereinrichtung

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
DE69623909T Expired - Lifetime DE69623909T2 (de)	1995-11-16	1996-11-15	Verstärkereinrichtung

Country Status (3)

Country	Link
US (1)	US5796307A (de)
EP (2)	EP1087520B1 (de)
DE (2)	DE69629855T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2339354B (en) *	1998-07-02	2003-10-08	Wireless Systems Int Ltd	A predistorter
CA2281209A1 (en) *	1998-10-30	2000-04-30	Norman Gerard Ziesse	Feedforward amplifier and method of amplifying signals
US6025762A (en) *	1999-01-11	2000-02-15	Cts Corporation	Delay line incorporating a surface acoustic wave ladder filter and method of providing same
US6324407B1 (en) *	1999-02-26	2001-11-27	Motorola, Inc.	Method and apparatus for signal transmission within a wireless communication system
JP2000252758A (ja) *	1999-03-01	2000-09-14	Fujitsu Ltd	位相補正増幅器及び該位相補正増幅器を用いたフィード・フォワード増幅器
DE19927952A1 (de)	1999-06-18	2001-01-04	Fraunhofer Ges Forschung	Vorrichtung und Verfahren zum Vorverzerren eines über eine nicht-lineare Übertragungsstrecke zu übertragenden Übertragungssignals
DE69940998D1 (de) *	1999-06-30	2009-07-30	Alcatel Lucent	Verfahren zur breitbandigen Linearisierung von Leistungsverstärkern
US6392481B1 (en)	1999-11-30	2002-05-21	Nokia Networks Oy	Method and apparatus for improved fed forward amplification
DE60027123T2 (de) *	1999-12-28	2006-09-07	Ntt Docomo Inc.	Schaltung zur Komprimierung des dynamischen Bereich eines Signals
FR2809266B1 (fr) *	2000-05-19	2002-10-11	St Microelectronics Sa	Procede et dispositif de controle du dephasage entre quatre signaux mutuellement en quadrature de phase
CN100525167C (zh) *	2000-06-20	2009-08-05	电力波技术公司	多路载波通信系统中减小峰值功率的系统和方法
US7015773B2 (en)	2001-01-31	2006-03-21	Ipr Licensing, Inc.	Electronic phase shifter with enhanced phase shift performance
US7058369B1 (en)	2001-11-21	2006-06-06	Pmc-Sierra Inc.	Constant gain digital predistortion controller for linearization of non-linear amplifiers
US7447268B2 (en) *	2004-03-31	2008-11-04	Intel Corporation	OFDM system with per subcarrier phase rotation
US7649958B2 (en) *	2004-06-25	2010-01-19	Sige Semiconductor (Europe) Limited	Transmit signal generator and method
US7308234B2 (en) *	2005-01-19	2007-12-11	Northrop Grumman Corporation	Feedforward spur cancellation approach using low IP amplifier
KR100756041B1 (ko) *	2005-06-27	2007-09-07	삼성전자주식회사	믹서를 이용한 도허티 증폭장치 및 송신기
ES2357307T3 (es) *	2006-06-09	2011-04-25	Teledyne Defence Limited	Multiplexor conmutado de banda ancha.
US8159390B2 (en) *	2007-03-29	2012-04-17	Raytheon Company	Temporal CW nuller
US7945172B2 (en) *	2008-05-20	2011-05-17	Harmonic, Inc.	Dispersion compensation circuitry and system for analog video transmission with direct modulated laser
US9093984B1 (en) *	2013-09-18	2015-07-28	Rockwell Collins, Inc.	Phase shifter with true time delay
US9831833B1 (en)	2016-01-28	2017-11-28	Rockwell Collins, Inc.	Power amplifier
US10491165B2 (en)	2018-03-12	2019-11-26	Psemi Corporation	Doherty amplifier with adjustable alpha factor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3725806A (en) *	1972-06-09	1973-04-03	Bell Telephone Labor Inc	Distortion reduction in a repeatered transmission system
US3927379A (en) *	1975-01-08	1975-12-16	Bell Telephone Labor Inc	Linear amplification using nonlinear devices and inverse sine phase modulation
US4394624A (en) *	1981-08-07	1983-07-19	The United States Of America As Represented By The Secretary Of The Navy	Channelized feed-forward system
US4596043A (en) *	1982-03-29	1986-06-17	Motorola, Inc.	High efficiency radio frequency signal amplifier for amplifying modulated radio frequency signals in a manner generating minimal splatter
US4943783A (en) *	1989-07-31	1990-07-24	Nippon Telegraph And Telephone Corporation	Feed forward distortion correction circuit
US5363056A (en) *	1989-09-07	1994-11-08	Ortel Corporation	Circuit for linearization of amplified electronic 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
CA2046413C (en)	1990-07-11	1994-01-04	Shoichi Narahashi	Feed-forward amplifier
US5365187A (en) *	1993-10-29	1994-11-15	Hewlett-Packard Company	Power amplifier utilizing the vector addition of two constant envelope carriers

1996
- 1996-11-14 US US08/749,240 patent/US5796307A/en not_active Expired - Lifetime
- 1996-11-15 EP EP00125616A patent/EP1087520B1/de not_active Expired - Lifetime
- 1996-11-15 EP EP96118372A patent/EP0774833B1/de not_active Expired - Lifetime
- 1996-11-15 DE DE69629855T patent/DE69629855T2/de not_active Expired - Lifetime
- 1996-11-15 DE DE69623909T patent/DE69623909T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1087520A3 (de)	2001-04-18
EP0774833B1 (de)	2002-09-25
EP1087520B1 (de)	2003-09-03
EP1087520A2 (de)	2001-03-28
DE69623909D1 (de)	2002-10-31
DE69629855T2 (de)	2004-07-15
DE69623909T2 (de)	2003-06-05
EP0774833A1 (de)	1997-05-21
US5796307A (en)	1998-08-18

Legal Events

Date	Code	Title	Description
2004-09-30	8364	No opposition during term of opposition

Publication	Publication Date	Title
DE69638181D1 (de)	2010-06-17	Kopfhörervorrichtung
DE69425421D1 (de)	2000-09-07	Verstärkervorrichtung
BR9606198A (pt)	1998-08-18	Aparelho
DE69629855D1 (de)	2003-10-09	Verstärkervorrichtung
DE69625453D1 (de)	2003-01-30	Verstärker
DE69517706T2 (de)	2000-10-19	Verstärker
DE69614315D1 (de)	2001-09-13	Operationsverstärker
FI963582A (fi)	1996-09-11	Vahvistin
BR9611186A (pt)	1999-03-30	Aparelho moedor-misturador
IT1279616B1 (it)	1997-12-16	Dispositivo gommatore
IT1279619B1 (it)	1997-12-16	Dispositivo gommatore
BR9603137A (pt)	1998-05-05	Aparelho
KR970000276A (ko)	1997-01-21	뇌파유도장치
IT1279608B1 (it)	1997-12-16	Dispositivo gommatore
KR970028058U (ko)	1997-07-24	도막제거장치
KR970025196U (ko)	1997-06-20	볼-마우스 장치
ITUD950061A1 (it)	1996-10-07	Dispositivo svita-tappi
DK0780972T3 (da)	2000-09-04	Forstærker
KR970015467U (ko)	1997-04-28	앰프
IT1277424B1 (it)	1997-11-10	Dispositivo anti-talpe
IT238603Y1 (it)	2000-11-13	Dispositivo scaldavivande-scongelatore
IT239055Y1 (it)	2001-02-19	Dispositivo svita-tappi
IT239255Y1 (it)	2001-02-26	Dispositivo portadeodorante
NO952728D0 (no)	1995-07-10	Trykk-tetteanordning
PT9139T (pt)	1996-09-30	Dispositivo intra-uretral