EP0250857A3 - Microwave filter - Google Patents

Microwave filter Download PDF

Info

Publication number
EP0250857A3
EP0250857A3 EP87107533A EP87107533A EP0250857A3 EP 0250857 A3 EP0250857 A3 EP 0250857A3 EP 87107533 A EP87107533 A EP 87107533A EP 87107533 A EP87107533 A EP 87107533A EP 0250857 A3 EP0250857 A3 EP 0250857A3
Authority
EP
European Patent Office
Prior art keywords
microwave filter
microwave
filter
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.)
Granted
Application number
EP87107533A
Other languages
German (de)
Other versions
EP0250857A2 (en
EP0250857B1 (en
Inventor
Uwe Dipl.-Ing. Rosenberg
Dieter Dipl.-Ing. Wolk
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.)
Bosch Telecom GmbH
Original Assignee
ANT Nachrichtentechnik GmbH
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 ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Publication of EP0250857A2 publication Critical patent/EP0250857A2/en
Publication of EP0250857A3 publication Critical patent/EP0250857A3/en
Application granted granted Critical
Publication of EP0250857B1 publication Critical patent/EP0250857B1/en
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
EP87107533A 1986-06-25 1987-05-23 Microwave filter Expired - Lifetime EP0250857B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3621299 1986-06-25
DE19863621299 DE3621299A1 (en) 1986-06-25 1986-06-25 MICROWAVE FILTER

Publications (3)

Publication Number Publication Date
EP0250857A2 EP0250857A2 (en) 1988-01-07
EP0250857A3 true EP0250857A3 (en) 1988-12-07
EP0250857B1 EP0250857B1 (en) 1992-07-15

Family

ID=6303682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87107533A Expired - Lifetime EP0250857B1 (en) 1986-06-25 1987-05-23 Microwave filter

Country Status (4)

Country Link
US (1) US4734665A (en)
EP (1) EP0250857B1 (en)
CA (1) CA1271532A (en)
DE (2) DE3621299A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012211A (en) * 1987-09-02 1991-04-30 Hughes Aircraft Company Low-loss wide-band microwave filter
FR2675952B1 (en) * 1991-04-29 1993-10-22 Alcatel Telspace MICROWAVE FILTER WITH ONE OR MORE RESONANT CAVITIES.
US5254963A (en) * 1991-09-25 1993-10-19 Comsat Microwave filter with a wide spurious-free band-stop response
DE19523220A1 (en) * 1995-06-27 1997-01-02 Bosch Gmbh Robert Microwave filter
IT1284354B1 (en) * 1996-01-30 1998-05-18 Cselt Centro Studi Lab Telecom MULTIMODAL CAVITY FOR WAVE GUIDE FILTERS.
IT1284353B1 (en) * 1996-01-30 1998-05-18 Cselt Centro Studi Lab Telecom MULTIMODAL CAVITY FOR WAVE GUIDE FILTERS.
US5774030A (en) * 1997-03-31 1998-06-30 Hughes Electronics Corporation Parallel axis cylindrical microwave filter
US7982561B2 (en) * 2008-09-05 2011-07-19 Harris Corporation Resonator system for an RF power amplifier output circuit
US8665039B2 (en) * 2010-09-20 2014-03-04 Com Dev International Ltd. Dual mode cavity filter assembly operating in a TE22N mode
CN112436260A (en) * 2020-11-25 2021-03-02 苏州灿勤通讯技术有限公司 Novel TE mode dielectric resonator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697898A (en) * 1970-05-08 1972-10-10 Communications Satellite Corp Plural cavity bandpass waveguide filter
US3646481A (en) * 1971-03-12 1972-02-29 Bell Telephone Labor Inc Waveguide mode transducer
US4129840A (en) * 1977-06-28 1978-12-12 Rca Corporation Array of directional filters

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
1986 IEEE-MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, Baltimore, Maryland, 2.-4. Juni 1986, Baltimore, Seiten 349-351, IEEE, New York, US; W.C. TANG: "An 8-pole quazi-elliptic function filter realized in 3 dielectric resonator cavities" *
1986 IEEE-MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, Baltimore, Maryland, 2.-4. Juni 1986, Baltimore, Seiten 357-359, IEEE, New York, US; D. SIU: "Realization of an exact 5-pole elliptic function filter employing dielectric loaded triple-dual-mode cavity structure" *
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Band MTT-24, Nr. 10, Oktober 1976, Seiten 640-648; A.E. ATIA et al.: "General TE011-mode waveguide bandpass filters" *

Also Published As

Publication number Publication date
EP0250857A2 (en) 1988-01-07
US4734665A (en) 1988-03-29
EP0250857B1 (en) 1992-07-15
DE3621299A1 (en) 1988-01-07
CA1271532A (en) 1990-07-10
DE3780367D1 (en) 1992-08-20

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