BR0003387B1 - mÉtodo de ajuste de ganho e fase de um sinal para entrada em um amplificador a fim de ajustar a fase relativa e ganho relativo entre sinais que se combinam - Google Patents

mÉtodo de ajuste de ganho e fase de um sinal para entrada em um amplificador a fim de ajustar a fase relativa e ganho relativo entre sinais que se combinam

Info

Publication number
BR0003387B1
BR0003387B1 BRPI0003387-1B1A BR0003387A BR0003387B1 BR 0003387 B1 BR0003387 B1 BR 0003387B1 BR 0003387 A BR0003387 A BR 0003387A BR 0003387 B1 BR0003387 B1 BR 0003387B1
Authority
BR
Brazil
Prior art keywords
gain
relative
phase
amplifier
adjust
Prior art date
Application number
BRPI0003387-1B1A
Other languages
English (en)
Portuguese (pt)
Other versions
BR0003387A (pt
Inventor
Reza Ghanadan
Robert Evan Myer
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 filed Critical
Publication of BR0003387A publication Critical patent/BR0003387A/pt
Publication of BR0003387B1 publication Critical patent/BR0003387B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
    • 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
    • H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
    • 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
    • H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Feedback Control In General (AREA)
BRPI0003387-1B1A 1999-08-19 2000-08-08 mÉtodo de ajuste de ganho e fase de um sinal para entrada em um amplificador a fim de ajustar a fase relativa e ganho relativo entre sinais que se combinam BR0003387B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/378,009 US6392480B1 (en) 1999-08-19 1999-08-19 Alternating gain and phase control system and method

Publications (2)

Publication Number Publication Date
BR0003387A BR0003387A (pt) 2001-04-03
BR0003387B1 true BR0003387B1 (pt) 2013-06-25

Family

ID=23491363

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0003387-1B1A BR0003387B1 (pt) 1999-08-19 2000-08-08 mÉtodo de ajuste de ganho e fase de um sinal para entrada em um amplificador a fim de ajustar a fase relativa e ganho relativo entre sinais que se combinam

Country Status (9)

Country Link
US (1) US6392480B1 (enExample)
EP (1) EP1079516B1 (enExample)
JP (1) JP2001119249A (enExample)
KR (1) KR20010021355A (enExample)
CN (1) CN100452643C (enExample)
AU (1) AU765299B2 (enExample)
BR (1) BR0003387B1 (enExample)
CA (1) CA2315583C (enExample)
DE (1) DE60043683D1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411644B1 (en) * 1998-09-29 2002-06-25 Lucent Technologies Inc. Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits
JP2003110369A (ja) * 2001-09-27 2003-04-11 Hitachi Kokusai Electric Inc 歪み補償増幅装置
EP1552605A4 (en) * 2002-06-25 2007-05-30 Soma Networks Inc AMPLIFIERS WITH DOWNSTREAM CORRECTION
US6882217B1 (en) 2002-09-27 2005-04-19 3Com Corporation Cubic spline predistortion, algorithm and training, for a wireless LAN system
US7274750B1 (en) 2002-09-27 2007-09-25 3Com Corporation Gain and phase imbalance compensation for OFDM systems
US9473275B2 (en) 2013-11-13 2016-10-18 Mediatek Singapore Pte. Ltd. Gain asymmetry characterizing circuit and method for determining characteristics of gain asymmetry possessed by transmitter

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04275708A (ja) * 1991-03-01 1992-10-01 Nippon Telegr & Teleph Corp <Ntt> 非線形歪補償回路
US5477187A (en) 1992-03-19 1995-12-19 Fujitsu Limited Feed forward amplifier
US5365190A (en) * 1993-05-03 1994-11-15 Duly Research, Inc. Feed-forward digital phase and amplitude correction system
US5485120A (en) * 1994-07-28 1996-01-16 Aval Communications Inc. Feed-forward power amplifier system with adaptive control and control method
US5610554A (en) * 1994-07-28 1997-03-11 Aval Communications Inc. Cancellation loop, for a feed-forward amplifier, employing an adaptive controller
US5455537A (en) * 1994-08-19 1995-10-03 Radio Frequency Systems, Inc. Feed forward amplifier
JP3361657B2 (ja) * 1995-07-20 2003-01-07 松下電器産業株式会社 フィードフォワード増幅器の制御装置および制御方法
KR100217416B1 (ko) 1995-11-16 1999-09-01 윤종용 선형 증폭 장치 및 방법
US5789976A (en) * 1996-06-17 1998-08-04 Corporation De L'ecole Polytechnique Digital adaptive control of feedforward amplifier using frequency domain cancellation
US5847603A (en) * 1997-07-31 1998-12-08 Lucent Technologies Inc. Automatic control system for reducing distortion produced by electrical circuits
US5999048A (en) * 1998-01-13 1999-12-07 Lucent Technologies Inc. Method and apparatus for spread spectrum pilot extraction for RF amplifiers
US5929704A (en) * 1998-02-20 1999-07-27 Spectrian Control of RF error extraction using auto-calibrating RF correlator
US5963091A (en) * 1998-04-01 1999-10-05 Chen; Jiunn-Tsair Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm
JP2000004124A (ja) * 1998-06-17 2000-01-07 Nec Corp フィードフォワード増幅器
US6211733B1 (en) * 1999-10-22 2001-04-03 Powerwave Technologies, Inc. Predistortion compensation for a power amplifier

Also Published As

Publication number Publication date
JP2001119249A (ja) 2001-04-27
CA2315583A1 (en) 2001-02-19
CN1289177A (zh) 2001-03-28
DE60043683D1 (de) 2010-03-04
EP1079516A2 (en) 2001-02-28
CN100452643C (zh) 2009-01-14
US6392480B1 (en) 2002-05-21
EP1079516A3 (en) 2001-10-31
CA2315583C (en) 2005-02-08
BR0003387A (pt) 2001-04-03
AU765299B2 (en) 2003-09-11
AU5196800A (en) 2001-02-22
EP1079516B1 (en) 2010-01-13
KR20010021355A (ko) 2001-03-15

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 25/06/2013, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 16A ANUIDADE.

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 2385 DE 20-09-2016 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.