EP0395888A3 - Koppelblende - Google Patents

Koppelblende Download PDF

Info

Publication number
EP0395888A3
EP0395888A3 EP19900106107 EP90106107A EP0395888A3 EP 0395888 A3 EP0395888 A3 EP 0395888A3 EP 19900106107 EP19900106107 EP 19900106107 EP 90106107 A EP90106107 A EP 90106107A EP 0395888 A3 EP0395888 A3 EP 0395888A3
Authority
EP
European Patent Office
Prior art keywords
coupling
couplings
openings
way
opposite
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
EP19900106107
Other languages
English (en)
French (fr)
Other versions
EP0395888A2 (de
EP0395888B1 (de
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 EP0395888A2 publication Critical patent/EP0395888A2/de
Publication of EP0395888A3 publication Critical patent/EP0395888A3/de
Application granted granted Critical
Publication of EP0395888B1 publication Critical patent/EP0395888B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

Es soll eine Koppelblende angegeben werden, in der die Koppelöffnungen so angeordnet sind, daß gewünschte Kopplungen sehr stark parasitäre Kopplungen aber möglichst weitgehend reduziert sind.
Diese Aufgabe wird dadurch gelöst, daß in der Koppelblende (KB) Koppelöffnungen (K1, K2) so angeordnet sind, daß darüber für zwei voneinander unabhängige Wellenmoden Kopplungen (TE11n, TM01m) stattfinden und daß über mindestens eine der Koppelöffnungen eine Verkopplung der beiden Wellenmoden und über mindestens eine der anderen Koppelöffnungen ebenfalls eine gleich große, aber entgegengesetzte Verkopplung erfolgt, so daß sich diese beiden entgegengesetzten Verkopplungen gegenseitig aufheben.
EP90106107A 1989-04-29 1990-03-30 Koppelblende Expired - Lifetime EP0395888B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3914246 1989-04-29
DE3914246 1989-04-29

Publications (3)

Publication Number Publication Date
EP0395888A2 EP0395888A2 (de) 1990-11-07
EP0395888A3 true EP0395888A3 (de) 1991-09-25
EP0395888B1 EP0395888B1 (de) 1995-03-01

Family

ID=6379779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106107A Expired - Lifetime EP0395888B1 (de) 1989-04-29 1990-03-30 Koppelblende

Country Status (2)

Country Link
EP (1) EP0395888B1 (de)
DE (1) DE59008563D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6459346B1 (en) * 2000-08-29 2002-10-01 Com Dev Limited Side-coupled microwave filter with circumferentially-spaced irises

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230481A (en) * 1959-09-30 1966-01-18 David J Lewis Method for segregating harmonic power in a waveguide system
US3715688A (en) * 1970-09-04 1973-02-06 Rca Corp Tm01 mode exciter and a multimode exciter using same
US4742317A (en) * 1986-05-23 1988-05-03 General Electric Company Mode coupler for monopulse antennas and the like

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951762B2 (ja) * 1978-01-24 1984-12-15 三菱電機株式会社 共振空洞形帯域通過ろ波器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230481A (en) * 1959-09-30 1966-01-18 David J Lewis Method for segregating harmonic power in a waveguide system
US3715688A (en) * 1970-09-04 1973-02-06 Rca Corp Tm01 mode exciter and a multimode exciter using same
US4742317A (en) * 1986-05-23 1988-05-03 General Electric Company Mode coupler for monopulse antennas and the like

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Band 32, Nr. 11, November 1984, Seiten 1449-1454, New York, US; W.-C. TANG et al.: "A true elliptic-function filter using triple-mode degenerate cavities" *
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Band 35, Nr. 12, Dezember 1987, Seiten 1143-1149, New York, US; R. BONETTI et al.: "Application of dual TM modes to triple- and quadruple-mode filters" *
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Band 37, Nr. 12, Dezember 1989, Seiten 2011-2019, New York, US; U. ROSENBERG et al.: "Filter design using in-line triple-mode cavities and novel iris couplings" *
PATENT ABSTRACTS OF JAPAN, Band 3, Nr. 121 (E-143), 11. Oktober 1979; & JP-A-54 99 547 (MITSUBISHI DENKI K.K.) 06-08-1979 *

Also Published As

Publication number Publication date
EP0395888A2 (de) 1990-11-07
DE59008563D1 (de) 1995-04-06
EP0395888B1 (de) 1995-03-01

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