EP0235565A1 - Dreitor-Polarisations- und -Frequenzduplexer - Google Patents

Dreitor-Polarisations- und -Frequenzduplexer Download PDF

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Publication number
EP0235565A1
EP0235565A1 EP87101095A EP87101095A EP0235565A1 EP 0235565 A1 EP0235565 A1 EP 0235565A1 EP 87101095 A EP87101095 A EP 87101095A EP 87101095 A EP87101095 A EP 87101095A EP 0235565 A1 EP0235565 A1 EP 0235565A1
Authority
EP
European Patent Office
Prior art keywords
guide
access
wave
polarization
frequency band
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
EP87101095A
Other languages
English (en)
French (fr)
Other versions
EP0235565B1 (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
Original Assignee
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
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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 as described in Patent Application No. 8502209 filed February 15, 1985 which includes a main guide carrying both the frequency or frequency band to be multiplexed with other frequency bands to 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 circular common 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 hole 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 subject of the present invention is a three-port polarization and frequency duplexer device 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 emerging, through a resonant slot, in the common guide, orthogonally to it, 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 , the free end of the dry guide wave 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.
  • the access guide 4 orthogonal to the main guide 1 is coupled to the latter 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 on the resonant slot 2 a short circuit for the 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 moreover 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)
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 true EP0235565A1 (de) 1987-09-09
EP0235565B1 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

Citations (5)

* 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
US3924205A (en) * 1972-03-24 1975-12-02 Andrew Corp Cross-polarized parabolic antenna
GB2117980A (en) * 1982-03-25 1983-10-19 Italiana Esercizio Telefon Dual polarisation signal waveguide device
EP0154692A1 (de) * 1984-02-24 1985-09-18 ANT Nachrichtentechnik GmbH Zweiband-Polarisationsweiche

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566309A (en) * 1969-02-24 1971-02-23 Hughes Aircraft Co Dual frequency band,polarization diverse tracking feed system for a horn 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
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
DE3439414A1 (de) * 1984-10-27 1986-04-30 kabelmetal electro GmbH, 3000 Hannover Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender

Patent Citations (5)

* 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
US3924205A (en) * 1972-03-24 1975-12-02 Andrew Corp Cross-polarized parabolic antenna
GB2117980A (en) * 1982-03-25 1983-10-19 Italiana Esercizio Telefon Dual polarisation signal waveguide device
EP0154692A1 (de) * 1984-02-24 1985-09-18 ANT Nachrichtentechnik GmbH Zweiband-Polarisationsweiche

Also Published As

Publication number Publication date
FR2593644A1 (fr) 1987-07-31
CA1257666A (fr) 1989-07-18
FR2593644B1 (fr) 1988-03-11
EP0235565B1 (de) 1990-11-28
US4837531A (en) 1989-06-06
ES2018791B3 (es) 1991-05-16
DE3766383D1 (de) 1991-01-10

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