DE69420924D1 - BAND PASS FILTER WITH COUPLED RESONATORS - Google Patents

BAND PASS FILTER WITH COUPLED RESONATORS

Info

Publication number
DE69420924D1
DE69420924D1 DE69420924T DE69420924T DE69420924D1 DE 69420924 D1 DE69420924 D1 DE 69420924D1 DE 69420924 T DE69420924 T DE 69420924T DE 69420924 T DE69420924 T DE 69420924T DE 69420924 D1 DE69420924 D1 DE 69420924D1
Authority
DE
Germany
Prior art keywords
pass filter
band pass
coupled resonators
resonators
coupled
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 - Fee Related
Application number
DE69420924T
Other languages
German (de)
Other versions
DE69420924T2 (en
Inventor
Henri Havot
Yvon Dutertre
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.)
Telediffusion de France ets Public de Diffusion
Orange SA
Original Assignee
Telediffusion de France ets Public de Diffusion
France Telecom 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 Telediffusion de France ets Public de Diffusion, France Telecom SA filed Critical Telediffusion de France ets Public de Diffusion
Publication of DE69420924D1 publication Critical patent/DE69420924D1/en
Application granted granted Critical
Publication of DE69420924T2 publication Critical patent/DE69420924T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE69420924T 1993-05-04 1994-05-03 BAND PASS FILTER WITH COUPLED RESONATORS Expired - Fee Related DE69420924T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9305287A FR2704983B1 (en) 1993-05-04 1993-05-04 BANDPASS FILTER WITH SHORT-COUPLED COUPLED LINES.
PCT/FR1994/000511 WO1994025996A1 (en) 1993-05-04 1994-05-03 Pass-band filter with coupled resonators

Publications (2)

Publication Number Publication Date
DE69420924D1 true DE69420924D1 (en) 1999-11-04
DE69420924T2 DE69420924T2 (en) 2000-05-04

Family

ID=9446719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420924T Expired - Fee Related DE69420924T2 (en) 1993-05-04 1994-05-03 BAND PASS FILTER WITH COUPLED RESONATORS

Country Status (5)

Country Link
EP (1) EP0649571B1 (en)
DE (1) DE69420924T2 (en)
FI (1) FI115332B (en)
FR (1) FR2704983B1 (en)
WO (1) WO1994025996A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0164410B1 (en) * 1995-07-21 1999-03-20 김광호 Strip line filter with switching function
FR2737640B1 (en) * 1995-08-03 1997-08-29 Telediffusion Fse DEVICE FOR PROTECTING CIRCUITS FROM THE HOOD EFFECT
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
KR20010093794A (en) * 1999-09-29 2001-10-29 추후기재 Narrow band-pass tuned resonator filter topologies having high selectivity, low insertion loss and improved out-of band rejection over extended frequency ranges
DE10202475B4 (en) * 2002-01-23 2010-11-18 Rohde & Schwarz Gmbh & Co. Kg Tunable filter element and tunable bandpass filter
CN101894995B (en) * 2010-05-19 2013-07-24 华南理工大学 Radio frequency electrically adjusted band-pass filter with constant absolute bandwidth

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074214A (en) * 1976-09-20 1978-02-14 Motorola, Inc. Microwave filter
US4371853A (en) * 1979-10-30 1983-02-01 Matsushita Electric Industrial Company, Limited Strip-line resonator and a band pass filter having the same
FR2626716B1 (en) * 1988-01-29 1990-04-20 France Etat PLANE RESONATOR FILTER

Also Published As

Publication number Publication date
FI950033A0 (en) 1995-01-03
FI950033A (en) 1995-01-23
FR2704983B1 (en) 1995-06-09
FI115332B (en) 2005-04-15
EP0649571A1 (en) 1995-04-26
WO1994025996A1 (en) 1994-11-10
FR2704983A1 (en) 1994-11-10
DE69420924T2 (en) 2000-05-04
EP0649571B1 (en) 1999-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee