DE69312133T2 - Abstimmbares Hochfrequenzfilter - Google Patents

Abstimmbares Hochfrequenzfilter

Info

Publication number
DE69312133T2
DE69312133T2 DE69312133T DE69312133T DE69312133T2 DE 69312133 T2 DE69312133 T2 DE 69312133T2 DE 69312133 T DE69312133 T DE 69312133T DE 69312133 T DE69312133 T DE 69312133T DE 69312133 T2 DE69312133 T2 DE 69312133T2
Authority
DE
Germany
Prior art keywords
frequency filter
tunable high
tunable
filter
frequency
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 - Lifetime
Application number
DE69312133T
Other languages
English (en)
Other versions
DE69312133D1 (de
Inventor
Bernard Duflot
Michel Byzery
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 CSF SA filed Critical Thomson CSF SA
Publication of DE69312133D1 publication Critical patent/DE69312133D1/de
Application granted granted Critical
Publication of DE69312133T2 publication Critical patent/DE69312133T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • H03J3/26—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter
DE69312133T 1992-03-17 1993-03-12 Abstimmbares Hochfrequenzfilter Expired - Lifetime DE69312133T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9203161A FR2688955B1 (fr) 1992-03-17 1992-03-17 Filtre accordable haute frequence.

Publications (2)

Publication Number Publication Date
DE69312133D1 DE69312133D1 (de) 1997-08-21
DE69312133T2 true DE69312133T2 (de) 1997-10-30

Family

ID=9427754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312133T Expired - Lifetime DE69312133T2 (de) 1992-03-17 1993-03-12 Abstimmbares Hochfrequenzfilter

Country Status (6)

Country Link
US (1) US5376907A (de)
EP (1) EP0561676B1 (de)
CA (1) CA2092667A1 (de)
DE (1) DE69312133T2 (de)
ES (1) ES2106296T3 (de)
FR (1) FR2688955B1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5574413A (en) * 1995-03-02 1996-11-12 Motorola, Inc. Tunable filter having a capacitive circuit connected to ground
US5752179A (en) * 1995-08-17 1998-05-12 Zenith Electronics Corporation Selective RF circuit with varactor tuned and switched bandpass filters
US6054908A (en) * 1997-12-12 2000-04-25 Trw Inc. Variable bandwidth filter
US6215374B1 (en) 1998-03-16 2001-04-10 Broadband Innovations, Inc. Magnetically coupled resonators for achieving low cost narrow band pass filters having high selectivity, low insertion loss and improved out-of-band rejection
US6100757A (en) * 1998-09-30 2000-08-08 Motorola, Inc. Variable time delay network method and apparatus therof
CA2352166A1 (en) * 1998-12-11 2000-06-15 Paratek Microwave, Inc. Electrically tunable filters with dielectric varactors
FR2798237B1 (fr) * 1999-09-07 2002-05-03 Itis Dispositif de filtrage commande en frequence pour la bande uhf
AU2002227284A1 (en) * 2000-12-12 2002-06-24 Paratek Microwave, Inc. Electrically tunable notch filters
ES2206040A1 (es) * 2002-10-07 2004-05-01 Televes, S.A. Filtros sintonizables.
GB2402563A (en) * 2003-06-06 2004-12-08 Motorola Inc Improved preselector filters for RF receivers
JP2007221252A (ja) * 2006-02-14 2007-08-30 General Res Of Electronics Inc 受信機入力回路
FR2906946B1 (fr) * 2006-10-06 2008-12-19 Thales Sa Filtre tractable rapide
US7639101B2 (en) 2006-11-17 2009-12-29 Superconductor Technologies, Inc. Low-loss tunable radio frequency filter
US9166564B2 (en) * 2010-02-04 2015-10-20 Hittite Microwave Corporation Wideband analog bandpass filter
US8981873B2 (en) 2011-02-18 2015-03-17 Hittite Microwave Corporation Absorptive tunable bandstop filter with wide tuning range and electrically tunable all-pass filter useful therein

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110004A (en) * 1961-04-21 1963-11-05 Avco Corp Frequency selector using voltage-sensitive capacitors for tuning and bandwidth control
JPS5881340A (ja) * 1981-11-11 1983-05-16 Matsushita Electric Ind Co Ltd 複同調回路
US4450417A (en) * 1981-12-28 1984-05-22 Rockwell International Corporation Feed forward circuit
DE3316881C1 (de) * 1983-05-07 1990-01-25 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Oszillatorschaltung fuer Fernsehempfangsgeraete
FR2555847B1 (fr) * 1983-11-25 1987-03-20 Radiotechnique Filtre de preselection de canaux, notamment pour recepteur de television operant dans une bande etendue de frequences
JPH0683028B2 (ja) * 1987-09-28 1994-10-19 松下電器産業株式会社 電子チューナの結合回路
GB2213004A (en) * 1987-11-27 1989-08-02 Philips Electronic Associated Bandpass filter circuit arrangement
FR2627336B1 (fr) * 1988-02-17 1990-06-08 Thomson Csf Filtre auto-adaptatif commutable pour poste emetteur et/ou recepteur radio
FI89991C (fi) * 1989-05-02 1993-12-10 Nokia Telecommunications Oy Hoegfrekvensbandpassfilter
EP0406962A3 (en) * 1989-07-07 1991-04-17 N.V. Philips' Gloeilampenfabrieken A filter

Also Published As

Publication number Publication date
FR2688955B1 (fr) 1996-11-15
DE69312133D1 (de) 1997-08-21
FR2688955A1 (fr) 1993-09-24
EP0561676B1 (de) 1997-07-16
US5376907A (en) 1994-12-27
EP0561676A1 (de) 1993-09-22
ES2106296T3 (es) 1997-11-01
CA2092667A1 (en) 1993-09-18

Similar Documents

Publication Publication Date Title
KR940008786U (ko) 동조 가능 필터
DE69427563D1 (de) Abstimmbarer Filter
DE69320521T2 (de) Tiefpass-Hochfrequenzfilter
FI99216B (fi) Dielektrinen suodatin
FI930944A (fi) Radiotaajuussuodatin
DK0508735T3 (da) Mikrobølgefilter
FI98870B (fi) Dielektrinen suodatin
DE69524673D1 (de) Dielektrisches Filter
DE69420217D1 (de) Dielektrisches Filter
DE69509930D1 (de) Dielektrisches Filter
DE69312133D1 (de) Abstimmbares Hochfrequenzfilter
DE69322045T2 (de) Mikrowellenfilter
DE69325627T2 (de) Dielektrisches Filter
DE69330436D1 (de) Dielektrische Filteranordnung
DE69427739T2 (de) Dielektrische Filteranordnung
DE69420911D1 (de) Dielektrisches Filter
DE69125273T2 (de) Dielektrisches filter
FI940087A0 (fi) Kolmen toimintamuodon mikroaaltosuodatin
DE69519215D1 (de) Dielektrisches Filter
DE69311965D1 (de) Dielektrische Filteranordnung
KR940027861U (ko) 유전체 필터
DE59507897D1 (de) Abstimmbares elektronisches Filter
KR940002136U (ko) 튜너블 밴드패스 필터 회로
DE69514746D1 (de) Dielektrisches Filter

Legal Events

Date Code Title Description
8364 No opposition during term of opposition