FR2485849B1 - Agencement de multiplexage pour un certain nombre de filtres regles en tension - Google Patents

Agencement de multiplexage pour un certain nombre de filtres regles en tension

Info

Publication number
FR2485849B1
FR2485849B1 FR8112759A FR8112759A FR2485849B1 FR 2485849 B1 FR2485849 B1 FR 2485849B1 FR 8112759 A FR8112759 A FR 8112759A FR 8112759 A FR8112759 A FR 8112759A FR 2485849 B1 FR2485849 B1 FR 2485849B1
Authority
FR
France
Prior art keywords
regulated
filters
voltage
multiplexing arrangement
multiplexing
Prior art date
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
Application number
FR8112759A
Other languages
English (en)
Other versions
FR2485849A1 (fr
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of FR2485849A1 publication Critical patent/FR2485849A1/fr
Application granted granted Critical
Publication of FR2485849B1 publication Critical patent/FR2485849B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FR8112759A 1980-06-30 1981-06-29 Agencement de multiplexage pour un certain nombre de filtres regles en tension Expired FR2485849B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/164,684 US4368541A (en) 1980-06-30 1980-06-30 Multiplexing arrangement for a plurality of voltage controlled filters

Publications (2)

Publication Number Publication Date
FR2485849A1 FR2485849A1 (fr) 1981-12-31
FR2485849B1 true FR2485849B1 (fr) 1985-11-22

Family

ID=22595607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8112759A Expired FR2485849B1 (fr) 1980-06-30 1981-06-29 Agencement de multiplexage pour un certain nombre de filtres regles en tension

Country Status (6)

Country Link
US (1) US4368541A (fr)
JP (1) JPS5745738A (fr)
CA (1) CA1167577A (fr)
DE (1) DE3125725C2 (fr)
FR (1) FR2485849B1 (fr)
GB (1) GB2079556B (fr)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500171A1 (fr) * 1981-02-13 1982-08-20 Mlr Electronique Procede de radio-localisation par determination de phases d'ondes electromagnetiques et dispsositif recepteur pour la mise en oeuvre de ce procede
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4418428A (en) * 1982-03-30 1983-11-29 Rca Corporation Tuning system for a multi-band television receiver
US4418427A (en) * 1982-03-30 1983-11-29 Rca Corporation Tuning system for a multi-band television receiver
US4442548A (en) * 1982-05-14 1984-04-10 Rca Corporation Television receiver tuning circuit tunable over a wide frequency range
DE3308690A1 (de) * 1983-03-11 1984-09-13 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren zum abstimmen der schwingkreise eines nachrichtenempfangsgeraetes
DE3406150C3 (de) * 1984-02-21 1997-04-03 Telefunken Microelectron Verfahren zum Abgleich einer Hochfrequenzeingangsschaltung sowie Steuerschaltung zum Durchführen des Verfahrens
US4761829A (en) * 1985-11-27 1988-08-02 Motorola Inc. Adaptive signal strength and/or ambient noise driven audio shaping system
GB2188502B (en) * 1986-02-25 1989-11-08 Plessey Co Plc Tuner circuit including tuning voltage generator
JPH0453062Y2 (fr) * 1986-07-25 1992-12-14
US4835608A (en) * 1988-05-31 1989-05-30 Zenith Electronics Corporation Image trap filter circuit
JPH02132210U (fr) * 1989-04-07 1990-11-02
US5129100A (en) * 1989-09-05 1992-07-07 General Instrument Corp. Agile output band pass filter for agile up converter
US5101509A (en) * 1990-09-14 1992-03-31 Ford Motor Company Rf filter alignment using digital processor clock
DE69216554T2 (de) * 1991-11-04 1997-07-10 Motorola Inc Verfahren und Einrichtung zur automatischen Abstimmkalibrierung von elektronisch abgestimmten Filtern
ES2060528B1 (es) * 1992-10-21 1995-05-16 Fagor S Coop Ltda Sintonizador electronico programable para antenas colectivas de t.v.
US6553216B1 (en) * 1995-12-14 2003-04-22 Thomson Licensing, S.A. RF tunable filter arrangement with tunable image trap
JP3943805B2 (ja) * 2000-05-26 2007-07-11 アルプス電気株式会社 テレビジョンチューナの中間周波同調回路
WO2004002014A1 (fr) 2002-06-21 2003-12-31 Widefi, Inc. Repeteur de reseau local sans fil
US7990904B2 (en) * 2002-12-16 2011-08-02 Qualcomm Incorporated Wireless network repeater
US20060063484A1 (en) * 2002-10-24 2006-03-23 Proctor James A Jr Wireless local area network repeater with in-band control channel
US8885688B2 (en) * 2002-10-01 2014-11-11 Qualcomm Incorporated Control message management in physical layer repeater
CN100574119C (zh) * 2002-10-11 2009-12-23 高通股份有限公司 操作无线局域网中转发器的方法
US8078100B2 (en) 2002-10-15 2011-12-13 Qualcomm Incorporated Physical layer repeater with discrete time filter for all-digital detection and delay generation
JP4541891B2 (ja) * 2002-10-15 2010-09-08 クゥアルコム・インコーポレイテッド ネットワーク・カバレージを拡張するための自動利得制御を備えた無線ローカルエリア・ネットワークの中継器
US7230935B2 (en) * 2002-10-24 2007-06-12 Widefi, Inc. Physical layer repeater with selective use of higher layer functions based on network operating conditions
BR0316218A (pt) * 2002-11-15 2005-09-27 Widefi Inc Método e aparelho para detectar a presença de um sinal em um de pelo menos dois canais de frequência em um repetidor de translação de frequência para uso em uma rede de área local sem fios (wlan)
US20050040909A1 (en) * 2003-08-20 2005-02-24 Waight Matthew Glenn Broadband integrated digitally tunable filters
US8027642B2 (en) 2004-04-06 2011-09-27 Qualcomm Incorporated Transmission canceller for wireless local area network
JP4960223B2 (ja) * 2004-05-13 2012-06-27 クゥアルコム・インコーポレイテッド 検出およびメディア・アクセス制御を行う非周波数変換型リピータ
JP2008505513A (ja) * 2004-06-03 2008-02-21 ワイデファイ インコーポレイテッド 低コスト、高性能の局部発振器の構造を備えた周波数変換中継器
WO2006081405A2 (fr) * 2005-01-28 2006-08-03 Widefi, Inc. Configuration de repeteur de couche physique destinee a accroitre la performance mimo
DE102005025677B9 (de) * 2005-06-03 2010-11-11 Infineon Technologies Ag Empfangsverstärker, insbesondere für Fernsehempfänger und Verwendung des Empfangsverstärkers
JP2007110685A (ja) * 2005-09-16 2007-04-26 Oki Electric Ind Co Ltd 受信装置およびその妨害信号減衰方法
JP4647486B2 (ja) * 2005-12-27 2011-03-09 京セラ株式会社 送受信回路
WO2007123733A2 (fr) * 2006-03-31 2007-11-01 Qualcomm Incorporated Répéteur à couche physique améliorée pour une exploitation dans des systèmes wimax
KR101164039B1 (ko) * 2006-09-01 2012-07-18 퀄컴 인코포레이티드 증가된 분리도에 적응하는 듀얼 수신기 또는 송신기 안테나구성을 갖는 중계기
CN101595657B (zh) * 2006-09-21 2014-07-09 高通股份有限公司 用于缓解中继器之间的振荡的方法和装置
US8774079B2 (en) 2006-10-26 2014-07-08 Qualcomm Incorporated Repeater techniques for multiple input multiple output utilizing beam formers
US8494470B2 (en) 2008-11-25 2013-07-23 Silicon Laboratories Inc. Integrated receivers and integrated circuit having integrated inductors
US8140041B2 (en) * 2009-08-27 2012-03-20 Mediatek Inc. Tunable capacitive device with linearization technique employed therein
JP2011249982A (ja) * 2010-05-25 2011-12-08 Alps Electric Co Ltd テレビジョンチューナの入力同調回路
US8725103B2 (en) 2012-01-03 2014-05-13 Silicon Laboratories Inc. Receiver including a tracking filter
US8983417B2 (en) 2012-01-03 2015-03-17 Silicon Laboratories Inc. Low-cost receiver using integrated inductors
US9787278B1 (en) * 2016-09-26 2017-10-10 International Business Machines Corporation Lossless microwave switch based on tunable filters for quantum information processing

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550010A (en) * 1967-04-19 1970-12-22 Sarkes Tarzian Trap circuit for television tuners
DE1296226C2 (de) * 1967-12-09 1978-03-16 Philips" Patentverwaltung GmbH, 2000 Hamburg Abstimm-schaltungsanordnung mit einer schaltdiode
GB1316871A (en) * 1969-05-20 1973-05-16 Matsushita Electric Ind Co Ltd Tuning system for selecting channels
CA950056A (en) * 1970-09-12 1974-06-25 Matsushita Electric Industrial Co., Ltd. Channel selection system
US3696302A (en) * 1970-10-30 1972-10-03 Standard Kollsman Ind Inc Uhf-vhf varactor tuner amplifying band conversion
DE2109107B2 (de) * 1971-02-26 1974-07-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Tonfrequenzfilter für Rundsteuerempfänger
US3852670A (en) * 1973-10-29 1974-12-03 Zenith Radio Corp Tuner with integral input filter
JPS5339201B2 (fr) * 1973-12-29 1978-10-20
US3924191A (en) * 1974-04-01 1975-12-02 Zenith Radio Corp Touch-tuning system for a television receiver
US4011515A (en) * 1975-05-23 1977-03-08 General Electric Company Tunable scanning radio receiver
JPS5267201A (en) * 1975-12-01 1977-06-03 Matsushita Electric Ind Co Ltd Station selecting unit
US4123717A (en) * 1977-07-14 1978-10-31 Hy-Gain De Puerto Rico, Inc. Scanning receiver having priority channel indication in memory
US4153887A (en) * 1977-12-05 1979-05-08 The Magnavox Company Electrically tunable bandpass filter
DE2814577A1 (de) * 1978-04-05 1979-10-11 Nordmende Ueberlagerungsempfaenger
DE2854852C2 (de) * 1978-12-19 1985-02-07 Telefunken electronic GmbH, 7100 Heilbronn Elektronische Abstimmeinheit, insbesondere für Fernseh-Empfangsgeräte
US4361909A (en) * 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage

Also Published As

Publication number Publication date
DE3125725A1 (de) 1982-03-04
JPS5745738A (en) 1982-03-15
GB2079556A (en) 1982-01-20
DE3125725C2 (de) 1989-08-31
GB2079556B (en) 1984-07-11
FR2485849A1 (fr) 1981-12-31
US4368541A (en) 1983-01-11
JPS6338125B2 (fr) 1988-07-28
CA1167577A (fr) 1984-05-15

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