EP0235565B1 - Dreitor-Polarisations- und -Frequenzduplexer - Google Patents

Dreitor-Polarisations- und -Frequenzduplexer Download PDF

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Publication number
EP0235565B1
EP0235565B1 EP87101095A EP87101095A EP0235565B1 EP 0235565 B1 EP0235565 B1 EP 0235565B1 EP 87101095 A EP87101095 A EP 87101095A EP 87101095 A EP87101095 A EP 87101095A EP 0235565 B1 EP0235565 B1 EP 0235565B1
Authority
EP
European Patent Office
Prior art keywords
access
wave
waveguide
guide
polarization
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
EP87101095A
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English (en)
French (fr)
Other versions
EP0235565A1 (de
Inventor
Philippe Gourlain
Régis Lenormand
Dominique Morin
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.)
Alcatel Espace Industries SA
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Alcatel Espace Industries SA
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 Alcatel Espace Industries SA filed Critical Alcatel Espace Industries SA
Publication of EP0235565A1 publication Critical patent/EP0235565A1/de
Application granted granted Critical
Publication of EP0235565B1 publication Critical patent/EP0235565B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
    • 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
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations

Definitions

  • the present invention relates to a three-port polarization and frequency duplexer.
  • the orthomode type duplexer which comprises a main guide, in the axis of which is placed a short-circuit blade, and another guide, called parallel access guide, orthogonal to the first and placed in a critical position with respect to this short circuit blade.
  • This very conventional device has the drawback of being limited to the use of a single frequency or frequency band.
  • a duplexing device is also known, as described in patent application EP-A1 0 992 986 filed on February 15, 1985, published later on the date of the ionity of the present application and which comprises a main guide transporting both the frequency or frequency band to be multiplexed and other frequency bands with two access guides orthogonal to the main guide and orthogonal to each other which are coupled to the main guide by resonant slots.
  • This embodiment is not compatible with the multisource implementation requirements.
  • European patent application EP-A-0098192 describes a multiplexing device for grouping two frequency bands.
  • This device intended for a multiband antenna comprises in series from the coupling access to the antenna: a common circular guide, allowing the passage of a high frequency band and a low frequency band, in which open, by two coupling holes offset relative to each other along the common circular guide, two orthogonal guides between them, which constitute the access points for the two orthogonal polarizations of the low band; a round guide-guide-round transition; a polarization duplexer for the high band.
  • In the coupling holes are arranged resonators which short circuit for the frequencies of the high band.
  • a first quasi-optical filter whose role is to reflect towards the first coupling hole the waves located in the low band and whose polarization is that of the wave intended to pass through the first hole and, between the second coupling hole and the transition, a second quasi-optical filter whose role is to reflect towards the second coupling the waves located in the low band and whose polarization is that of the wave intended to pass through the second hole.
  • the invention relates to a device for making and implementing much simpler with two low frequency accesses and a high frequency accesses and not the reverse.
  • the present invention relates to a device making it possible to extract or excite at a low frequency two orthogonal polarization planes of the fundamental mode and to extract or excite at a high frequency a polarization plane of the fundamental mode coplanar at l 'one of the low frequency polarization planes.
  • the present invention relates to a polarization and frequency duplexer device with three accesses comprising, on the one hand, in series with respect to a coupling access to an antenna: a common circular guide, allowing the passage of two orthogonal polarizations d 'a wave in a low frequency band and a polarization of a wave in a high frequency band parallel to one of the two orthogonal polarizations of the wave in low frequencies, a transition, a secondary guide, and d on the other hand, a first access guide for one of the two orthogonal polarizations of the low frequency wave opening, through a resonant slot, into the common guide, orthogonally thereto, a second access guide to the secondary guide, orthogonal to it, and which is coupled to it by a resonant slot, a short-circuit blade, for short-circuiting the part of the wave at high frequencies, intended for this second access guide , l free end of the secondary guide forming a third access guide or serial access guide,
  • the present invention has the great advantage of having two outputs located in the same plane and which are therefore easily accessible, which is very important in the space field.
  • the device of the invention is an excitation device at a low frequency F1, and a device for extracting or exciting a component of the fundamental mode corresponding to a high frequency F2.
  • This device comprises a main guide 1 corresponding to the fundamental mode of the frequency F1, an access guide 4 corresponding to the frequency F1 orthogonal to the main guide 1, a transition 5 between the main guide 1 and a rectangular guide 7 whose large side corresponds to the fundamental mode of the frequency F1, and the short side corresponds to the fundamental mode of the frequency F2 and an access guide 8 corresponding to the frequency F2 orthogonal to the long side of the rectangular guide 7.
  • Said rectangular guide 7 comprises a blade 10 short circuit parallel to its long side.
  • the orthogonal access 4 to the main guide 1 and the orthogonal access 8 to the rectangular guide 7 are co-planar.
  • Guide access 4 orthogonal to the main guide 1 is coupled thereto by a resonant slot 2.
  • Said access guide 4 comprises a filter 3 intended to select the frequency F1, said filter 3 being constructed so as to bring substantially onto the resonant slot 2 a short circuit for frequencies outside said frequency F1.
  • the access guide 8 orthogonal to the rectangular guide 7 is coupled to the rectangular guide 7 by means of a resonant slot 9 and placed in a determined position relative to the short-cut blade 10.
  • the waves of frequency F1 propagate in the main guide 1 according to its fundamental mode and according to two orthogonal polarizations.
  • the first polarization of the first frequency F1 is located in the plane of the figure and the second polarization is orthogonal to this plane.
  • the distance between the short-circuit plane 6 and the radiating slit 2 is adjusted so that a maximum of reflected waves is absorbed by the guide 4 .
  • the component of the second frequency F2 propagates in the main guide 1 without being derived by the coupler 2, which also presents itself vis-à-vis this frequency as a short circuit, then in the transition 5 to continue its route in the rectangular guide 7. It is partly directed towards the guide 8 through the resonant slot 9 dimensioned to resonate at this frequency F2.
  • the distance between the short-circuit blade 10 and the radiating slot 9 is adjusted, in a manner known to those skilled in the art, so that a maximum of reflected waves is absorbed by the access guide 8.
  • the second frequency component F1 orthogonal to the plane of the slot 2 propagates in the main guide in the transition 5 and in the guide 7 without being derived either by the coupler 2, nor by the coupler 9, nor by the short blade circuit 10, and goes to access 11 called "serial access".
  • the device which has just been described is capable of a large number of interesting applications. For example, it is possible to use this device in a primary source of multisource antenna.
  • This aerial operates according to three accesses: for example with two reception accesses, a transmission access, and vice versa; or with a transmission access, a reception access, and a deviation access.

Landscapes

  • Waveguide Aerials (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)

Claims (1)

  1. Polarisations- und Frequenzduplexer mit drei Anschlüssen und einerseits mit einer Reihenschaltung bezüglich des Koppelanschlusses zur Antenne, bestehend aus einem gemeinsamen Rundhohlleiter (1), der den Durchgang zweier orthogonaler Polarisationen einer Welle im unteren Frequenzband (F1) und einer Polarisation einer Welle im oberen Frequenzband (F2) ermöglicht, die einer der beiden orthogonalen Polarisationen der Welle der unteren Frequenzen (F1) parallel ist, einem Profilübergang (5) und einem Sekundärhohlleiter (7), und andererseits mit einem ersten Anschlußhohlleiter (4) für eine der beiden orthogonalen Polarisationen der Welle im unteren Frequenzband (F1), der über einen Resonanzschlitz (2) orthogonal in den gemeinsamen Hohlleiter (1) einmündet, mit einem zweiten Anschlußhohlleiter (8) orthogonal zum Sekundärhohlleiter (7), der an diesen über einen Resonanzschlitz (9) angekoppelt ist, mit einem Kurzschlußsteg (10) zum Kurzschließen des für den zweiten Anschlußhohlleiter (8) bestimmten Wellenanteils im oberen Frequenzband (F2), wobei das freie Ende des Sekundärhohlleiters (7) einen dritten Anschlußhohlleiter (11) bildet, dadurch gekennzeichnet, daß der Sekundärhohlleiter (7) ein Rechteckhohlleiter ist desson , Kurzo seite parallel zur zweiten Polarisation der Welle im unteren Frequenzband (F1) und dessen lange Seite parallel zur Polarisation der Welle im oberen Frequenzband (F2) verläuft, daß der erste Anschlußhohlleiter (4) zum gemeinsamen Hohlleiter (1) ein Filter (3) aufweist, das zum Auswählen der Welle im unteren Frequenzband (F1) durch Erzeugen eines Kurzschlusses für die Welle im oberen Frequenzband (F2) in Höhe des Resonanzschlitzes (2) bestimmt ist, und daß der zweite Anschlußhohlleiter (8) orthogonal zur langen Seite des Sekundärhohlleiters (7) verläuft und den Anschluß für die Polarisation der Welle im oberen Frequenzband (F2) bildet.
EP87101095A 1986-01-28 1987-01-27 Dreitor-Polarisations- und -Frequenzduplexer Expired - Lifetime EP0235565B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8601160 1986-01-28
FR8601160A FR2593644B1 (fr) 1986-01-28 1986-01-28 Dispositif duplexeur de polarisation et de frequences a trois acces.

Publications (2)

Publication Number Publication Date
EP0235565A1 EP0235565A1 (de) 1987-09-09
EP0235565B1 true EP0235565B1 (de) 1990-11-28

Family

ID=9331544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87101095A Expired - Lifetime EP0235565B1 (de) 1986-01-28 1987-01-27 Dreitor-Polarisations- und -Frequenzduplexer

Country Status (6)

Country Link
US (1) US4837531A (de)
EP (1) EP0235565B1 (de)
CA (1) CA1257666A (de)
DE (1) DE3766383D1 (de)
ES (1) ES2018791B3 (de)
FR (1) FR2593644B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182569A (en) * 1988-09-23 1993-01-26 Alcatel N.V. Antenna having a circularly symmetrical reflector
FR2641133B1 (de) * 1988-12-26 1991-05-17 Alcatel Espace
US4970480A (en) * 1989-06-09 1990-11-13 Hughes Aircraft Company Microwave diplexer
JPH06204701A (ja) * 1992-11-10 1994-07-22 Sony Corp 偏分波器及び導波管−マイクロストリップライン変換装置
DE19734854A1 (de) 1997-08-12 1999-02-18 Alsthom Cge Alcatel Polarisationsweiche für zwei unterschiedliche Frequenzbänder
DE19735547A1 (de) * 1997-08-16 1999-02-18 Alsthom Cge Alcatel Polarisationsweiche für zwei unterschiedliche Frequenzbänder
EP1176662A1 (de) * 2000-06-30 2002-01-30 Alcatel Hohlleiter-Polarisationsdrehvorrichtung
US7936714B1 (en) * 2002-03-11 2011-05-03 Netgear, Inc. Spectrum allocation system and method for multi-band wireless RF data communications
US20040226968A1 (en) * 2003-03-04 2004-11-18 Lafond Luc Marcel Nozzle for dispensable viscous materials
KR100691606B1 (ko) * 2005-02-19 2007-03-12 서강대학교산학협력단 편광 듀플렉서를 이용한 시분할 듀플렉싱 방식의 송수신 장치 및 방법
TWI351782B (en) * 2007-12-25 2011-11-01 Microelectronics Tech Inc Transceiver for radio-frequency communication
CN104409799A (zh) * 2014-12-11 2015-03-11 四川龙瑞微电子有限公司 渐变波导旋转支节

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975380A (en) * 1957-09-30 1961-03-14 Raytheon Co Waveguide transducer
US3327250A (en) * 1964-11-16 1967-06-20 Technical Appliance Corp Multi-mode broad-band selective coupler
US3566309A (en) * 1969-02-24 1971-02-23 Hughes Aircraft Co Dual frequency band,polarization diverse tracking feed system for a horn antenna
US3924205A (en) * 1972-03-24 1975-12-02 Andrew Corp Cross-polarized parabolic antenna
DE2517383C3 (de) * 1975-04-19 1979-03-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Systemweiche für Frequenzdoppelausnutzung
FR2488055A1 (fr) * 1980-07-31 1982-02-05 Thomson Csf Transducteur d'antenne pour antenne d'emission-reception et source primaire d'antenne equipee d'un tel transducteur
IT1155664B (it) * 1982-03-25 1987-01-28 Sip Dispositivo di guida d onda per la separazione di segnali a radiofrequenza di diversa frequenza e polarizzazione
FR2529392B1 (fr) * 1982-06-25 1985-06-28 Thomson Csf Dispositif de multiplexage pour grouper deux bandes de frequences et multiplexeur comportant un tel dispositif
US4491810A (en) * 1983-01-28 1985-01-01 Andrew Corporation Multi-port, multi-frequency microwave combiner with overmoded square waveguide section
DE3406641A1 (de) * 1984-02-24 1985-08-29 ANT Nachrichtentechnik GmbH, 7150 Backnang Zweiband-polarisationsweiche
DE3439414A1 (de) * 1984-10-27 1986-04-30 kabelmetal electro GmbH, 3000 Hannover Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender

Also Published As

Publication number Publication date
FR2593644A1 (fr) 1987-07-31
CA1257666A (fr) 1989-07-18
EP0235565A1 (de) 1987-09-09
FR2593644B1 (fr) 1988-03-11
US4837531A (en) 1989-06-06
ES2018791B3 (es) 1991-05-16
DE3766383D1 (de) 1991-01-10

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