BR9505857A - Processo para determinar ponto operacional ideal em amplificador de potência linear processo de treinamento de amplitude e amplificador de potência linear - Google Patents

Processo para determinar ponto operacional ideal em amplificador de potência linear processo de treinamento de amplitude e amplificador de potência linear

Info

Publication number: BR9505857A
Authority: BR; Brazil
Prior art keywords: power amplifier; linear power; operating point; ideal operating; training process
Prior art date: 1994-03-09

Application number

BR9505857A

Other languages

English (en)

Inventor

Dragan Boscovic

Stephen Valentine

Babak Bastani

Antony Wray

Original Assignee

Motorola Ltd

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.)

1994-03-09

Filing date

1995-03-02

Publication date

1996-02-21

1995-03-02 Application filed by Motorola Ltd filed Critical Motorola Ltd

1996-02-21 Publication of BR9505857A publication Critical patent/BR9505857A/pt

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
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Amplifiers (AREA)
Control Of Amplification And Gain Control (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

BR9505857A 1994-03-09 1995-03-02 Processo para determinar ponto operacional ideal em amplificador de potência linear processo de treinamento de amplitude e amplificador de potência linear BR9505857A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9404560A GB2287595B (en)	1994-03-09	1994-03-09	Method for amplitude training in a linear power amplifier
PCT/EP1995/000753 WO1995024765A1 (en)	1994-03-09	1995-03-02	Method for amplitude training in a linear power amplifier

Publications (1)

Publication Number	Publication Date
BR9505857A true BR9505857A (pt)	1996-02-21

Family

ID=10751551

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9505857A BR9505857A (pt)	1994-03-09	1995-03-02	Processo para determinar ponto operacional ideal em amplificador de potência linear processo de treinamento de amplitude e amplificador de potência linear

Country Status (8)

Country	Link
US (1)	US5748038A (pt)
EP (1)	EP0698311A1 (pt)
JP (1)	JPH08510620A (pt)
AU (1)	AU687523B2 (pt)
BR (1)	BR9505857A (pt)
GB (1)	GB2287595B (pt)
MX (1)	MX9504685A (pt)
WO (1)	WO1995024765A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9906417D0 (en) *	1999-03-19	1999-05-12	Simoco Int Ltd	Radio transmitters
US6252456B1 (en)	1999-07-29	2001-06-26	Motorola, Inc.	Power amplifier load controller and method for controlling a power amplifier load
US6246286B1 (en) *	1999-10-26	2001-06-12	Telefonaktiebolaget Lm Ericsson	Adaptive linearization of power amplifiers
US6479977B1 (en) *	2000-03-08	2002-11-12	Mikhail Mordkovich	Automatic electronic load pull circuit for oscillators
US6477368B1 (en) *	2000-04-28	2002-11-05	Motorola, Inc.	Method for dynamic transmitter training for a shared communication system utilizing dynamic channel allocation
DE60322353D1 (de) *	2003-06-02	2008-09-04	Sony Ericsson Mobile Comm Ab	System und Verfahren zur Regelung der Leistungsverstärkung in Mobilfunkendgeräten
US20060062407A1 (en) *	2004-09-22	2006-03-23	Kahan Joseph M	Sound card having feedback calibration loop
JP2007005996A (ja) *	2005-06-22	2007-01-11	Renesas Technology Corp	通信用半導体集積回路および無線通信装置
US8280420B2 (en) *	2006-04-03	2012-10-02	Qualcomm Incorporated	Multi-level saturation
GB2458676B (en) *	2008-03-27	2010-02-24	Motorola Inc	RF transmitter and method of operation
US8588333B2 (en)	2008-03-27	2013-11-19	Motorola Solutions, Inc.	RF transmitter and method of operation
WO2010064091A1 (en) *	2008-12-03	2010-06-10	Freescale Semiconductor, Inc.	Operating parameter control for a power amplifier
JP5958336B2 (ja) *	2012-12-28	2016-07-27	富士通株式会社	送信信号電力制御装置及び通信装置
US20240171130A1 (en) *	2022-11-18	2024-05-23	Motorola Solutions, Inc.	Peak current reduction in comunication devices

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8826918D0 (en) *	1988-11-17	1988-12-21	Motorola Inc	Power amplifier for radio frequency signal
US5041793A (en) *	1990-10-31	1991-08-20	Motorola, Inc.	Controlled slew rate amplifier
US5239693A (en) *	1990-10-31	1993-08-24	Motorola, Inc.	Amplifier level-setting apparatus
US5066923A (en) *	1990-10-31	1991-11-19	Motorola, Inc.	Linear transmitter training method and apparatus
JP2710503B2 (ja) *	1991-10-14	1998-02-10	日本電気株式会社	出力電力制御回路
JP2826003B2 (ja) *	1991-11-29	1998-11-18	松下電器産業株式会社	送信出力制御回路
GB2265270B (en) *	1992-03-02	1996-06-12	Motorola Ltd	Rf power amplifier with linearization
GB2265269B (en) *	1992-03-02	1995-08-30	Motorola Ltd	Radio transmitter with linearization training sequence
GB9316869D0 (en) *	1993-08-13	1993-09-29	Philips Electronics Uk Ltd	Transmitter and power amplifier therefor
US5524285A (en) *	1993-11-02	1996-06-04	Wray; Anthony J.	Radio transmitter with power amplifier and linearization
GB2286302B (en) *	1994-01-29	1998-12-16	Motorola Inc	Power amplifier and radio transmitter

1994
- 1994-03-09 GB GB9404560A patent/GB2287595B/en not_active Expired - Fee Related
1995
- 1995-03-02 BR BR9505857A patent/BR9505857A/pt not_active IP Right Cessation
- 1995-03-02 AU AU18922/95A patent/AU687523B2/en not_active Ceased
- 1995-03-02 EP EP95911280A patent/EP0698311A1/en not_active Ceased
- 1995-03-02 WO PCT/EP1995/000753 patent/WO1995024765A1/en not_active Ceased
- 1995-03-02 JP JP7523200A patent/JPH08510620A/ja active Pending
- 1995-03-02 US US08/873,872 patent/US5748038A/en not_active Expired - Lifetime
- 1995-03-02 MX MX9504685A patent/MX9504685A/es not_active Application Discontinuation

Also Published As

Publication number	Publication date
MX9504685A (es)	1997-05-31
JPH08510620A (ja)	1996-11-05
EP0698311A1 (en)	1996-02-28
GB2287595B (en)	1997-03-05
AU687523B2 (en)	1998-02-26
US5748038A (en)	1998-05-05
WO1995024765A1 (en)	1995-09-14
GB2287595A (en)	1995-09-20
GB9404560D0 (en)	1994-04-20
AU1892295A (en)	1995-09-25

Publication	Publication Date	Title
FI982435L (fi)	2000-05-11	Lineaarinen tehovahvistinjärjestely ja menetelmä sen käyttämiseksi
FI972005A7 (fi)	1998-05-05	Linearinen tehovahvistinlaite sekä menetelmä
DE69518099D1 (de)	2000-08-31	Leistungsverstärker und Verfahren dazu
FI971051L (fi)	1997-05-14	Tehokas lineaaritehovahvistin
EE9900325A (et)	2000-02-15	Meetod ja vahendid informatsiooni töötlemiseks
BR9505857A (pt)	1996-02-21	Processo para determinar ponto operacional ideal em amplificador de potência linear processo de treinamento de amplitude e amplificador de potência linear
BR9701152A (pt)	1998-12-15	Processo e aparelho para eliminação de interferência
DE69735516D1 (de)	2006-05-11	Informationsempfangsverfahren und dieses benutzende Vorrichtung
DK0894040T3 (da)	2001-07-16	Barberingssystem og fremgangsmåde
BR9509325A (pt)	1997-10-14	Circuito amplificador de poténcia processo de operação do mesmo e amplificador
BR9405975A (pt)	1996-01-09	Processo e aparelho para redução de poténcia de pico de envoltória de amplificador de poténcia linear
DE69739432D1 (de)	2009-07-16	Informationsverarbeitungsgerät und -verfahren
EE9900247A (et)	1999-12-15	Arvutamiseks kasutatav meetod ja aparatuur
BR9704600A (pt)	1998-12-22	Processo e aparelho para laminado
DE69917212D1 (de)	2004-06-17	Leistungsverstärkervorrichtung und verfahren dafür
DE69824448T2 (de)	2004-10-07	Graviersystem und -verfahren mit verschiedenen gravierwerkzeugen
FI954499L (fi)	1995-09-22	Menetelmä ja analyysi
FI941273L (fi)	1994-09-20	Menetelmä ja laite pitkänomaisen terälevyn hiomiseksi
FI981983A0 (fi)	1998-09-15	Ohjausjärjestely ja menetelmä karsintalaitteistossa
BR9711578A (pt)	1999-08-24	Lubrificante para hipercompressor e processo de obten-Æo
FI982341L (fi)	2000-04-29	Puuaineksen mittausmenetelmä ja -järjestely
BR9501179A (pt)	1996-04-23	Processo de enxerto e dispositivo para o mesmo
FI932536A7 (fi)	1994-12-04	Menetelmä ja laitteisto massiivipuun taivuttamiseksi
BR9612503A (pt)	1999-07-20	Codificador auto-inicializado e método do mesmo
BR9405722A (pt)	1995-11-28	Processo e aparelho para detecçao de passagens anatomicas

Legal Events

Date	Code	Title	Description
2001-10-02	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2002-04-09	FF	Decision: intention to grant
2002-09-03	FG9A	Patent or certificate of addition granted
2011-05-24	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 15A E 16A ANUIDADES
2014-04-08	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-01	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 15A E 16A ANUIDADES.
2021-03-30	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.