IT1258870B - Filtro a microonde a cavita' con accoppiamento variabile entro ampi limiti. - Google Patents

Filtro a microonde a cavita' con accoppiamento variabile entro ampi limiti.

Info

Publication number
IT1258870B
IT1258870B ITRM920746A ITRM920746A IT1258870B IT 1258870 B IT1258870 B IT 1258870B IT RM920746 A ITRM920746 A IT RM920746A IT RM920746 A ITRM920746 A IT RM920746A IT 1258870 B IT1258870 B IT 1258870B
Authority
IT
Italy
Prior art keywords
microwave filter
variable coupling
field
cavity microwave
large limits
Prior art date
Application number
ITRM920746A
Other languages
English (en)
Original Assignee
Alenia Aeritalia & Selenia
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 Alenia Aeritalia & Selenia filed Critical Alenia Aeritalia & Selenia
Priority to ITRM920746A priority Critical patent/IT1258870B/it
Publication of ITRM920746A0 publication Critical patent/ITRM920746A0/it
Priority to EP93102094A priority patent/EP0592759A1/en
Publication of ITRM920746A1 publication Critical patent/ITRM920746A1/it
Application granted granted Critical
Publication of IT1258870B publication Critical patent/IT1258870B/it

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
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

Filtro passa-banda basato sull'impiego di elementi modulari, di facile costruzione e di basso costo, che realizzano, assiemiati l'uno all'altro in modo opportuno, un numero N di cavità variabile in sede di assiemamento e con suscettanze di accoppiamento regolabili don continuità tra zero e infinito, in modo che la selettività del filtro sia quella desiderata. Esso è essenzialmente costituito (Fig. 4) da cavità risonanti (7) collegate una all'altra da anelli di centraggio (9), da flange (10), tiranti (11) che terminano a vite fissati da bulloni (12), da viti (8). L'invenzione si colloca nel campo tecnico dei componenti passivi a microonde e nel campo applicativo delle telecomunicazioni ad altissime frequenze.
ITRM920746A 1992-10-14 1992-10-14 Filtro a microonde a cavita' con accoppiamento variabile entro ampi limiti. IT1258870B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITRM920746A IT1258870B (it) 1992-10-14 1992-10-14 Filtro a microonde a cavita' con accoppiamento variabile entro ampi limiti.
EP93102094A EP0592759A1 (en) 1992-10-14 1993-02-11 Microwave cavity filter with a coupling which can be varied between wide limits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM920746A IT1258870B (it) 1992-10-14 1992-10-14 Filtro a microonde a cavita' con accoppiamento variabile entro ampi limiti.

Publications (3)

Publication Number Publication Date
ITRM920746A0 ITRM920746A0 (it) 1992-10-14
ITRM920746A1 ITRM920746A1 (it) 1994-04-14
IT1258870B true IT1258870B (it) 1996-03-01

Family

ID=11401237

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM920746A IT1258870B (it) 1992-10-14 1992-10-14 Filtro a microonde a cavita' con accoppiamento variabile entro ampi limiti.

Country Status (2)

Country Link
EP (1) EP0592759A1 (it)
IT (1) IT1258870B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6046658A (en) * 1998-09-15 2000-04-04 Hughes Electronics Corporation Microwave filter having cascaded subfilters with preset electrical responses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736867A (en) * 1945-12-10 1956-02-28 Dorothy D Montgomery Crossed wave guide variable impedance
US2900610A (en) * 1955-05-19 1959-08-18 Richard W Allen Variable impedance transformer
US3235822A (en) * 1963-05-06 1966-02-15 Bell Telephone Labor Inc Direct-coupled step-twist junction waveguide filter
DE3326829A1 (de) * 1983-07-26 1985-02-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung eines mehrkreisigen mikrowellen-bandpassfilters, insbesondere fuer den millimeterwellenbereich
US5051714A (en) * 1990-03-08 1991-09-24 Alcatel Na, Inc. Modular resonant cavity, modular dielectric notch resonator and modular dielectric notch filter

Also Published As

Publication number Publication date
EP0592759A1 (en) 1994-04-20
ITRM920746A1 (it) 1994-04-14
ITRM920746A0 (it) 1992-10-14

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970117