BR0005431A - Sistema e método para produzir um sinal amplificado - Google Patents

Sistema e método para produzir um sinal amplificado

Info

Publication number
BR0005431A
BR0005431A BR0005431-3A BR0005431A BR0005431A BR 0005431 A BR0005431 A BR 0005431A BR 0005431 A BR0005431 A BR 0005431A BR 0005431 A BR0005431 A BR 0005431A
Authority
BR
Brazil
Prior art keywords
signal
amplified
component
components
threshold
Prior art date
Application number
BR0005431-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Zhengxiang Ma
Paul Anthony Polakos
Original Assignee
Lucent Technologies 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.)
Filing date
Publication date
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR0005431A publication Critical patent/BR0005431A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • 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
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
BR0005431-3A 1999-11-19 2000-11-17 Sistema e método para produzir um sinal amplificado BR0005431A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/444,319 US6292054B1 (en) 1999-11-19 1999-11-19 System and method for producing an amplified signal

Publications (1)

Publication Number Publication Date
BR0005431A true BR0005431A (pt) 2001-08-07

Family

ID=23764413

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0005431-3A BR0005431A (pt) 1999-11-19 2000-11-17 Sistema e método para produzir um sinal amplificado

Country Status (8)

Country Link
US (2) US6292054B1 (https=)
EP (1) EP1102393A3 (https=)
JP (1) JP2001189630A (https=)
KR (1) KR20010051821A (https=)
CN (1) CN1198385C (https=)
AU (1) AU769523B2 (https=)
BR (1) BR0005431A (https=)
CA (1) CA2324846C (https=)

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GB0020071D0 (en) * 2000-08-16 2000-10-04 Mitel Semiconductor Ltd Tuner
GB0110106D0 (en) * 2001-04-25 2001-06-20 Filtronic Plc Electrical signal preconditioning
US6891902B2 (en) * 2002-07-02 2005-05-10 Intel Corporation System and method for adjusting a power level of a transmission signal
FI115935B (fi) 2003-02-25 2005-08-15 Nokia Corp Menetelmä ja laite tehovahvistimen ominaisuuksien säätämiseksi
US7197086B2 (en) * 2003-05-29 2007-03-27 Lucent Technologies Inc. Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base station
KR101009778B1 (ko) * 2003-10-23 2011-01-19 삼성전자주식회사 높은 첨두전력 대 평균전력비를 가지는 전력증폭 장치 및 방법
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7148746B2 (en) * 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US7856105B2 (en) * 2006-03-09 2010-12-21 Andrew Llc Apparatus and method for processing of amplifier linearization signals
JP4646845B2 (ja) 2006-03-30 2011-03-09 富士通株式会社 送信機
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
JP4653724B2 (ja) * 2006-11-30 2011-03-16 富士通株式会社 信号の帯域外電力を抑圧する送信機
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8315578B2 (en) * 2008-07-15 2012-11-20 Research In Motion Limited Mobile wireless communications device with separate in-phase and quadrature power amplification
EP2695294A1 (en) 2011-04-08 2014-02-12 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
WO2016086975A1 (en) * 2014-12-02 2016-06-09 Huawei Technologies Co.,Ltd An amplifying system for amplifying a communication signal
KR101952875B1 (ko) * 2017-08-24 2019-05-23 삼성전기주식회사 전력 증폭기 및 이를 포함하는 집적회로
JP6925561B2 (ja) * 2019-02-26 2021-08-25 三菱電機株式会社 方向性結合器及び半導体チップ
CN111654243B (zh) * 2019-03-04 2023-03-03 华为技术有限公司 功率放大装置、波束成形系统、发射机和基站

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DE2701463A1 (de) * 1977-01-14 1978-07-20 Hoeglund Lennart H E Elektrischer verstaerker
US4283685A (en) * 1979-12-13 1981-08-11 Raytheon Company Waveguide-to-cylindrical array transition
US4748421A (en) * 1987-04-08 1988-05-31 Scs Telecom, Inc. Enhanced class SM power amplifier
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US5262958A (en) * 1991-04-05 1993-11-16 Texas Instruments Incorporated Spline-wavelet signal analyzers and methods for processing signals
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FR2701796A1 (fr) * 1993-02-17 1994-08-26 Philips Electronics Nv Dispositif pour la transmission de signaux de télévision.
US5822370A (en) * 1996-04-16 1998-10-13 Aura Systems, Inc. Compression/decompression for preservation of high fidelity speech quality at low bandwidth
KR100266817B1 (ko) * 1997-01-31 2000-09-15 윤종용 피드포워드방식의선형증폭장치및방법
US6085074A (en) * 1997-02-28 2000-07-04 Motorola, Inc. Apparatus and method for amplifying an amplitude-varying signal
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
US6054894A (en) * 1998-06-19 2000-04-25 Datum Telegraphic Inc. Digital control of a linc linear power amplifier

Also Published As

Publication number Publication date
CA2324846A1 (en) 2001-05-19
US6624694B2 (en) 2003-09-23
EP1102393A2 (en) 2001-05-23
CA2324846C (en) 2003-03-18
EP1102393A3 (en) 2004-06-30
AU769523B2 (en) 2004-01-29
CN1299186A (zh) 2001-06-13
AU7153600A (en) 2001-05-24
KR20010051821A (ko) 2001-06-25
CN1198385C (zh) 2005-04-20
JP2001189630A (ja) 2001-07-10
US20010035791A1 (en) 2001-11-01
US6292054B1 (en) 2001-09-18

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 NA RPI2003 DE 26/05/2009.