DE69522148D1 - Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter - Google Patents

Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter

Info

Publication number
DE69522148D1
DE69522148D1 DE69522148T DE69522148T DE69522148D1 DE 69522148 D1 DE69522148 D1 DE 69522148D1 DE 69522148 T DE69522148 T DE 69522148T DE 69522148 T DE69522148 T DE 69522148T DE 69522148 D1 DE69522148 D1 DE 69522148D1
Authority
DE
Germany
Prior art keywords
bandpass filters
cavity resonator
mode cavity
waveguide bandpass
waveguide
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
DE69522148T
Other languages
English (en)
Other versions
DE69522148T2 (de
Inventor
Giorgio Bertin
Luciano Accatino
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.)
Telecom Italia SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni 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 CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Application granted granted Critical
Publication of DE69522148D1 publication Critical patent/DE69522148D1/de
Publication of DE69522148T2 publication Critical patent/DE69522148T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H01P1/2082—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with multimode resonators
DE69522148T 1994-06-08 1995-06-08 Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter Expired - Lifetime DE69522148T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT94TO000473A IT1266852B1 (it) 1994-06-08 1994-06-08 Cavita' bimodale per filtri passa banda in guida d'onda.

Publications (2)

Publication Number Publication Date
DE69522148D1 true DE69522148D1 (de) 2001-09-20
DE69522148T2 DE69522148T2 (de) 2002-05-02

Family

ID=11412587

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69522148T Expired - Lifetime DE69522148T2 (de) 1994-06-08 1995-06-08 Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter
DE0687027T Pending DE687027T1 (de) 1994-06-08 1995-06-08 Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0687027T Pending DE687027T1 (de) 1994-06-08 1995-06-08 Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter

Country Status (6)

Country Link
US (1) US5703547A (de)
EP (1) EP0687027B1 (de)
JP (1) JP2641090B2 (de)
CA (1) CA2150657C (de)
DE (2) DE69522148T2 (de)
IT (1) IT1266852B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1284353B1 (it) 1996-01-30 1998-05-18 Cselt Centro Studi Lab Telecom Cavita' multimodale per filtri in guida d'onda.
IT1284354B1 (it) 1996-01-30 1998-05-18 Cselt Centro Studi Lab Telecom Cavita' multimodale per filtri n guida d'onda.
FR2755544B1 (fr) * 1996-11-05 1999-01-22 Centre Nat Etd Spatiales Dispositif de filtrage a cavite metallique a inserts dielectriques
IT1319925B1 (it) * 2000-02-29 2003-11-12 Cselt Centro Studi Lab Telecom Polarizzazione in guida d'onda.
KR100428073B1 (ko) * 2002-03-18 2004-04-28 학교법인연세대학교 고차모드를 이용한 광동조 마이크로웨이브 필터
KR100476382B1 (ko) * 2002-06-11 2005-03-16 한국전자통신연구원 더미 공동을 이용한 공동필터의 동조 방법
RU2626726C1 (ru) * 2016-07-12 2017-07-31 Акционерное общество "Концерн воздушно-космической обороны "Алмаз-Антей"(АО "Концерн ВКО "Алмаз-Антей") Компактная 90-градусная скрутка в прямоугольном волноводе
CN107546447B (zh) * 2017-07-31 2020-09-22 南京邮电大学 一种多模腔体折叠滤波器
CN108110386B (zh) * 2017-09-27 2019-12-13 波达通信设备（广州）有限公司 双向输出波导双工器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235822A (en) * 1963-05-06 1966-02-15 Bell Telephone Labor Inc Direct-coupled step-twist junction waveguide filter
US3697898A (en) * 1970-05-08 1972-10-10 Communications Satellite Corp Plural cavity bandpass waveguide filter
DE2845050A1 (de) * 1978-10-16 1980-04-24 Com Dev Ltd Wellenleiter-bandpassfilter
US4544901A (en) 1982-06-11 1985-10-01 Agence Spatiale Europeenne Microwave filter structure
CA1153432A (en) * 1982-08-25 1983-09-06 James B. Dorey Bandpass filter with plurality of wave-guide cavities
JPS60174501A (ja) * 1984-02-20 1985-09-07 Nec Corp 帯域通過濾波器
JPS62169501A (ja) * 1986-01-22 1987-07-25 Nec Corp 多段帯域通過ろ波器
CA1218122A (en) * 1986-02-21 1987-02-17 David Siu Quadruple mode filter
US5012211A (en) * 1987-09-02 1991-04-30 Hughes Aircraft Company Low-loss wide-band microwave filter
US5268659A (en) * 1991-04-29 1993-12-07 University Of Maryland Coupling for dual-mode resonators and waveguide filter
US5349316A (en) * 1993-04-08 1994-09-20 Itt Corporation Dual bandpass microwave filter

Also Published As

Publication number Publication date
JPH08102602A (ja) 1996-04-16
DE69522148T2 (de) 2002-05-02
ITTO940473A0 (it) 1994-06-08
EP0687027A3 (de) 1997-03-12
ITTO940473A1 (it) 1995-12-08
DE687027T1 (de) 1997-07-17
US5703547A (en) 1997-12-30
JP2641090B2 (ja) 1997-08-13
IT1266852B1 (it) 1997-01-21
EP0687027A2 (de) 1995-12-13
EP0687027B1 (de) 2001-08-16
CA2150657C (en) 1999-03-30
CA2150657A1 (en) 1995-12-09

Similar Documents

Publication Publication Date Title
DE69930689D1 (de) Bandpassfilter mit dielektrischen Resonatoren
DE69533248D1 (de) Abstimmbares optisches Filter
DE69532455D1 (de) Filter für blutgerinnsel
DE69408536D1 (de) Abstimmbarer resonator für mikrowellen-oszillatoren und mikrowellenfilter
DE69428509D1 (de) TM-Zweifachmodusresonator und -filter
DE69521956D1 (de) Funkfrequenzfilter mit helikoidalen Resonatoren
DE69935562D1 (de) Kopplungsstruktur für Hohlraumresonatoren
DE69413572D1 (de) Optischer Wellenleiter für die Frequenzverdopplung
BR9302939A (pt) Processo para fabricacao de cigarros com filtro
BR9504782A (pt) Processo para fabricação de filtros
GB2316186B (en) Polarization independent waveguide grating resonator filter
DE69432814D1 (de) Optischer Bandpass-Filter
DE69014693D1 (de) Dielektrisches Resonatorfilter.
DE69514155D1 (de) Resonator mit verbesserten Bandpasscharakteristiken
DE69522148D1 (de) Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter
DE69812750D1 (de) Selbstabstimmendes optisches Wellenleiterfilter
DE69519957D1 (de) Ausrichtvorrichtung für die Herstellung von Filtern für Zigaretten
DE69312133D1 (de) Abstimmbares Hochfrequenzfilter
DE69724303D1 (de) Multimode-Hohlraum für Hohlleiterfilter
DE69520417D1 (de) Herstellungsverfahren für Farbfilter
FR2696045B1 (fr) Structure de filtre dielectrique possedant des resonateurs a section droite trapezouidale.
FI954562A (fi) Suodatin, suodattimen valmistusmenetelmä, resonaattorirakenne ja resonaattorirakenteen valmistusmenetelmä
DE69919445D1 (de) Hochfrequenzfilter mit Halbwellenlängenresonatoren
DE69728917D1 (de) Multimode-Hohlraum für Hohlleiterfilter, mit einem elliptischen Hohlleitersegment
FI954239A0 (fi) TM-muodon dielektrinen resonaattori

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: TELECOM ITALIA LAB S.P.A., TURIN/TORINO, IT

8364 No opposition during term of opposition