DE68915134D1 - Mikrowellen-Bandpassfilter in Kammleitungsform. - Google Patents

Mikrowellen-Bandpassfilter in Kammleitungsform.

Info

Publication number
DE68915134D1
DE68915134D1 DE68915134T DE68915134T DE68915134D1 DE 68915134 D1 DE68915134 D1 DE 68915134D1 DE 68915134 T DE68915134 T DE 68915134T DE 68915134 T DE68915134 T DE 68915134T DE 68915134 D1 DE68915134 D1 DE 68915134D1
Authority
DE
Germany
Prior art keywords
bandpass filter
comb line
microwave bandpass
microwave
comb
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
DE68915134T
Other languages
English (en)
Other versions
DE68915134T2 (de
Inventor
Franco Marconi
Stena Nicolo De
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.)
Italtel SpA
Siemens Telecomunicazioni SpA
Original Assignee
Siemens Telecomunicazioni SpA
Societa Italiana Telecomunicazioni Siemens SpA
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 Siemens Telecomunicazioni SpA, Societa Italiana Telecomunicazioni Siemens SpA filed Critical Siemens Telecomunicazioni SpA
Publication of DE68915134D1 publication Critical patent/DE68915134D1/de
Application granted granted Critical
Publication of DE68915134T2 publication Critical patent/DE68915134T2/de
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
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE68915134T 1988-12-21 1989-12-07 Mikrowellen-Bandpassfilter in Kammleitungsform. Expired - Fee Related DE68915134T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8823033A IT1228107B (it) 1988-12-21 1988-12-21 Perfezionamenti ai filtri passa banda a pettine nel campo delle microonde

Publications (2)

Publication Number Publication Date
DE68915134D1 true DE68915134D1 (de) 1994-06-09
DE68915134T2 DE68915134T2 (de) 1994-09-08

Family

ID=11203104

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915134T Expired - Fee Related DE68915134T2 (de) 1988-12-21 1989-12-07 Mikrowellen-Bandpassfilter in Kammleitungsform.

Country Status (8)

Country Link
US (1) US5012210A (de)
EP (1) EP0375016B1 (de)
AU (1) AU629273B2 (de)
DE (1) DE68915134T2 (de)
ES (1) ES2051991T3 (de)
FI (1) FI94575C (de)
IT (1) IT1228107B (de)
NO (1) NO174315C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5731746A (en) * 1995-06-30 1998-03-24 Motorola Inc. Multi-frequency ceramic block filter with resonators in different planes
US8085118B2 (en) * 2009-07-31 2011-12-27 Com Dev International Ltd. Inline cross-coupled coaxial cavity filter
GB2478938A (en) * 2010-03-24 2011-09-28 Gary Raymond Cobb Coupled transmission line resonator band-pass filter with transversely rotated resonators for improved selectivity
CN103457008B (zh) * 2013-08-31 2016-03-02 西安电子科技大学 一种具有背腔谐振器的滤波器
EP3485528A4 (de) 2016-07-18 2020-03-04 CommScope Italy S.r.l. Für zelluläre anwendungen geeignete rohrförmige inline-filter und zugehörige verfahren

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093803A (en) * 1959-08-19 1963-06-11 Allen Bradley Co Filter having lumped resonance elements spaced along length of shielding enclosure, with adjustable magnetic coupling between elements
GB1163896A (en) * 1965-11-19 1969-09-10 Plessey Co Ltd Improvements in or relating to Transmission Line Band-Pass Filters
JPS56119501A (en) * 1980-02-25 1981-09-19 Alps Electric Co Ltd Filter
US4489293A (en) * 1981-05-11 1984-12-18 Ford Aerospace & Communications Corporation Miniature dual-mode, dielectric-loaded cavity filter
CA1153432A (en) * 1982-08-25 1983-09-06 James B. Dorey Bandpass filter with plurality of wave-guide cavities
US4630009A (en) * 1984-01-24 1986-12-16 Com Dev Ltd. Cascade waveguide triple-mode filters useable as a group delay equalizer
FR2583597A1 (fr) * 1985-06-13 1986-12-19 Alcatel Thomson Faisceaux Filtre passe-bande hyperfrequences en mode evanescent
JPS62204601A (ja) * 1986-03-04 1987-09-09 Murata Mfg Co Ltd 二重モ−ドフイルタ

Also Published As

Publication number Publication date
NO174315C (no) 1994-04-13
IT1228107B (it) 1991-05-28
AU629273B2 (en) 1992-10-01
EP0375016A2 (de) 1990-06-27
FI94575C (fi) 1995-09-25
IT8823033A0 (it) 1988-12-21
DE68915134T2 (de) 1994-09-08
FI94575B (fi) 1995-06-15
NO174315B (no) 1994-01-03
NO895098L (no) 1990-06-22
EP0375016B1 (de) 1994-05-04
FI896118A0 (fi) 1989-12-20
EP0375016A3 (de) 1991-03-20
AU4679089A (en) 1990-06-28
US5012210A (en) 1991-04-30
ES2051991T3 (es) 1994-07-01
NO895098D0 (no) 1989-12-18

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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