BR9605916A - Aparelho e aparelho de sintonizaçao - Google Patents

Aparelho e aparelho de sintonizaçao

Info

Publication number
BR9605916A
BR9605916A BR9605916A BR9605916A BR9605916A BR 9605916 A BR9605916 A BR 9605916A BR 9605916 A BR9605916 A BR 9605916A BR 9605916 A BR9605916 A BR 9605916A BR 9605916 A BR9605916 A BR 9605916A
Authority
BR
Brazil
Prior art keywords
tuning
tuning apparatus
Prior art date
Application number
BR9605916A
Other languages
English (en)
Other versions
BR9605916B1 (pt
Inventor
Michael Anthony Pugel
Gary Dean Grubbs
Original Assignee
Thomson Consumer Electronics
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 Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of BR9605916A publication Critical patent/BR9605916A/pt
Publication of BR9605916B1 publication Critical patent/BR9605916B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/191—Tuned amplifiers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01—Arrangements for reducing harmonics or ripples
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1766—Parallel LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/168—Two amplifying stages are coupled by means of a filter circuit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40—Arrangements for reducing harmonics

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Power Conversion In General (AREA)
  • Filters And Equalizers (AREA)
BRPI9605916-8A 1995-12-14 1996-12-10 filtro rf com rejeição de freqüência imagem. BR9605916B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/572,550 US6553216B1 (en) 1995-12-14 1995-12-14 RF tunable filter arrangement with tunable image trap

Publications (2)

Publication Number Publication Date
BR9605916A true BR9605916A (pt) 1998-08-18
BR9605916B1 BR9605916B1 (pt) 2009-08-11

Family

ID=24288334

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9605916-8A BR9605916B1 (pt) 1995-12-14 1996-12-10 filtro rf com rejeição de freqüência imagem.

Country Status (10)

Country Link
US (1) US6553216B1 (pt)
EP (1) EP0779707B1 (pt)
JP (1) JP3469020B2 (pt)
KR (2) KR100433073B1 (pt)
BR (1) BR9605916B1 (pt)
CA (1) CA2190904C (pt)
DE (1) DE69622516T2 (pt)
MX (1) MX9606431A (pt)
MY (1) MY118084A (pt)
SG (1) SG74000A1 (pt)

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JPH11112264A (ja) * 1997-10-08 1999-04-23 Murata Mfg Co Ltd フィルタ
FR2793619B1 (fr) * 1999-05-10 2001-08-10 Cit Alcatel Dispositif et procede pour produire un signal filtre ayant une frequence donnee et emetteur hertzien emettant a une frequence etablie par un oscillateur reglable en frequence
JP2003518861A (ja) * 1999-12-23 2003-06-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ イメージ除去
US6393262B1 (en) * 2000-01-11 2002-05-21 Ericsson Inc. Difference frequency impedance transformation circuits and methods for providing same in power amplifier systems
JP2001204016A (ja) * 2000-01-19 2001-07-27 Sony Corp 衛星チューナの入力回路
US6873212B2 (en) 2001-05-17 2005-03-29 Sige Semiconductor Inc. Integrated circuit radio frequency amplifier with notch filter
US6738612B1 (en) * 2000-04-06 2004-05-18 International Business Machines Corporation Image trap filter
TW508938B (en) * 2000-06-28 2002-11-01 Agere Syst Guardian Corp Inductive coupling for silicon data access arrangement
FI109624B (fi) * 2000-12-04 2002-09-13 Nokia Corp Menetelmä suodattimen virittämiseksi
US7333791B2 (en) 2001-12-11 2008-02-19 Microtune (Texas), L.P. Use of an image reject mixer in a forward data channel tuner
US6937190B1 (en) * 2002-04-16 2005-08-30 John R. Jackson Electromagnetic impulse survey apparatus and method
US6959178B2 (en) * 2002-04-22 2005-10-25 Ipr Licensing Inc. Tunable upconverter mixer with image rejection
EP1502364A4 (en) 2002-04-22 2010-03-31 Ipr Licensing Inc TRANSMITTER-RECEIVER RADIO WITH MULTIPLE INPUTS AND OUTPUTS
KR100846486B1 (ko) * 2002-05-06 2008-07-17 삼성전자주식회사 이미지 제거 안테나
US20040127172A1 (en) * 2002-12-27 2004-07-01 Agere Systems Inc. Phase-error suppressor and a method of suppressing phase-error
US6864728B1 (en) * 2003-02-28 2005-03-08 Xilinx, Inc. Frequency multiplier and amplification circuit
US20050090213A1 (en) * 2003-10-23 2005-04-28 Heng Chun H. Tuner and demodulator for analog cable television
GB2408643A (en) * 2003-11-27 2005-06-01 Zarlink Semiconductor Ltd Double conversion tuner with tuneable bandpass filters
US7319731B2 (en) * 2004-02-05 2008-01-15 Broadcom Corporation High precision continuous time gmC BPF tuning
DE102005025677B9 (de) * 2005-06-03 2010-11-11 Infineon Technologies Ag Empfangsverstärker, insbesondere für Fernsehempfänger und Verwendung des Empfangsverstärkers
US8346198B2 (en) * 2005-06-30 2013-01-01 Silicon Laboratories Inc. Low noise amplifier for a radio receiver
US7437139B2 (en) * 2005-10-26 2008-10-14 Tzero Technologies, Inc. Method and apparatus for calibrating filtering of a transceiver
JP2007159083A (ja) * 2005-11-09 2007-06-21 Alps Electric Co Ltd アンテナ整合回路
DE102005056486A1 (de) * 2005-11-20 2007-05-31 Atmel Germany Gmbh Eingangsfilter zur Spiegelfrequenzunterdrückung
JP2007325083A (ja) * 2006-06-02 2007-12-13 Neuro Solution Corp アンテナ入力同調回路
US7583950B2 (en) * 2006-10-05 2009-09-01 Harris Corporation High linearity tunable bandpass filter
TWI382676B (zh) * 2007-12-28 2013-01-11 Ind Tech Res Inst 協調性可調式濾波裝置及之無線通訊前端電路
KR20090110669A (ko) * 2008-04-18 2009-10-22 주식회사 에이디알에프코리아 중계기용 가변형 이득 평탄도 보상 회로, 중계기용 가변형이득 평탄도 보상 장치 및 그 방법
JP2009278150A (ja) * 2008-05-12 2009-11-26 Alps Electric Co Ltd 電圧制御発振装置
JP5169677B2 (ja) * 2008-09-24 2013-03-27 ソニー株式会社 受信装置
CN102668557B (zh) 2009-12-09 2015-11-25 汤姆森许可贸易公司 保护卫星接收不受强地面信号影响的装置
US8254862B2 (en) * 2009-12-29 2012-08-28 Silicon Laboratories Inc. Configurable radio front end
US8463215B2 (en) 2009-12-29 2013-06-11 Silicon Laboratories Inc. Integrating components in a radio tuner integrated circuit (IC) for a tracking filter
DE102010055707B4 (de) * 2009-12-29 2015-11-12 Silicon Laboratories Inc. Konfigurierbarer Rundfunkgeräteingang, Konfigurieren einer Tunerschaltung und System mit Konfigurierbarem Rundfunkgeräteingang
US8818309B2 (en) 2011-03-28 2014-08-26 Silicon Laboratories Inc. Providing multiple inductors for a radio tuner
US8886208B2 (en) * 2012-03-19 2014-11-11 Qualcomm Incorporated Method and apparatus of simultaneously monitoring GSM channels
US8868011B2 (en) * 2012-04-30 2014-10-21 Triquint Semiconductor, Inc. Power amplifier with fast loadline modulation
US11183974B2 (en) * 2013-09-12 2021-11-23 Dockon Ag Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion
US9264080B2 (en) 2014-01-31 2016-02-16 Silicon Laboratories Inc. Reducing second order distortion in an amplifier
DE102014102707A1 (de) * 2014-02-28 2015-09-03 Epcos Ag Abstimmbares elektroakustisches HF-Filter mit verbesserten elektrischen Eigenschaften und Verfahren zum Betrieb eines solchen Filters
US9445160B2 (en) * 2014-06-12 2016-09-13 Eagle Comtronics, Inc. Legacy converter filter with extended frequency range
US10389395B1 (en) * 2016-02-22 2019-08-20 Rockwell Collins, Inc. Radio frequency active filter
US10050590B2 (en) * 2016-03-24 2018-08-14 Taiwan Semiconductor Manufacturing Co., Ltd. Power amplifier
US11955946B2 (en) 2020-08-18 2024-04-09 Synergy Microwave Corporation Tunable bandpass filter for millimeter-wave signals
US11201602B1 (en) 2020-09-17 2021-12-14 Analog Devices, Inc. Apparatus and methods for tunable filtering
US11201600B1 (en) 2020-10-05 2021-12-14 Analog Devices, Inc. Apparatus and methods for control and calibration of tunable filters
CN116915202B (zh) * 2023-09-14 2023-12-29 成都世源频控技术股份有限公司 一种具有可调传输零点的lc带通滤波器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680011A (en) * 1970-08-03 1972-07-25 Stanford Research Inst Loss cancelling resonator and filters
JPS5133916A (en) 1974-09-17 1976-03-23 Matsushita Electric Ind Co Ltd Vhf terebijonchuuna no nyuryokukairo
US4361909A (en) * 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage
US4399559A (en) * 1980-05-30 1983-08-16 Rca Corporation Voltage controlled tuner with voltage variable frequency selective arrangements controlled in response to a control voltage generated independently of the tuning voltage
US4368541A (en) * 1980-06-30 1983-01-11 Evans Robert M Multiplexing arrangement for a plurality of voltage controlled filters
US4835608A (en) * 1988-05-31 1989-05-30 Zenith Electronics Corporation Image trap filter circuit
US5054117A (en) 1989-08-01 1991-10-01 Zenith Electronics Corporation Tunable UHF filter for switchable VHF/UHF receiver

Also Published As

Publication number Publication date
EP0779707B1 (en) 2002-07-24
CA2190904C (en) 2001-02-27
KR970055314A (ko) 1997-07-31
US6553216B1 (en) 2003-04-22
MY118084A (en) 2004-08-30
BR9605916B1 (pt) 2009-08-11
MX9606431A (es) 1997-10-31
SG74000A1 (en) 2000-07-18
DE69622516T2 (de) 2002-12-12
KR100433073B1 (ko) 2004-09-16
DE69622516D1 (de) 2002-08-29
KR970055313A (ko) 1997-07-31
JPH09232915A (ja) 1997-09-05
EP0779707A1 (en) 1997-06-18
JP3469020B2 (ja) 2003-11-25
CA2190904A1 (en) 1997-06-15

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE H04N 5/50 PARA INT.CL.2007.01 H03D 7/18; H03J 3/08; H04N 5/50

Ipc: H03D 7/18 (2007.01), H03J 3/08 (2007.01), H04N 5/5

B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time
B11N Dismissal: publication cancelled

Free format text: REFERENTE A RPI 2025 DE 27/10/2009 COD. DE DESPACHO 11.4, POR TER SIDO INDEVIDO.

B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/11/2009, 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 18A 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 2284 DE 14-10-2014 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.