EP2122745B1 - Coupleur a charge elevee - Google Patents

Coupleur a charge elevee Download PDF

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Publication number
EP2122745B1
EP2122745B1 EP08701174.8A EP08701174A EP2122745B1 EP 2122745 B1 EP2122745 B1 EP 2122745B1 EP 08701174 A EP08701174 A EP 08701174A EP 2122745 B1 EP2122745 B1 EP 2122745B1
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EP
European Patent Office
Prior art keywords
line
absorber
strip
line strip
housing half
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.)
Active
Application number
EP08701174.8A
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German (de)
English (en)
Other versions
EP2122745A1 (fr
Inventor
Ludwig Moll
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.)
Rohde and Schwarz GmbH and Co KG
Original Assignee
Rohde and Schwarz GmbH and Co KG
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.)
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Application filed by Rohde and Schwarz GmbH and Co KG filed Critical Rohde and Schwarz GmbH and Co KG
Publication of EP2122745A1 publication Critical patent/EP2122745A1/fr
Application granted granted Critical
Publication of EP2122745B1 publication Critical patent/EP2122745B1/fr
Active legal-status Critical Current
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
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips

Definitions

  • the invention relates to a high-load coupler.
  • a directional coupler in which two strip conductors are arranged side by side on a substrate.
  • the known directional coupler has the disadvantage that an integrated arrangement of an absorber is not provided. Therefore, a further absorber connection must be provided on the known directional coupler, on which an external absorber can be arranged.
  • Such external absorbers usually consist of one or more resistance elements, which in turn are arranged on a substrate.
  • the known coupler therefore has the disadvantage that two initially independent modules must be connected to each other. As a result, a significant construction cost and manufacturing effort is required and common installation of the two circuit boards, a complex from two sides to be equipped housing must be provided.
  • US 2006/0208827 A1 discloses a 90 ° hybrid designed to couple two input signals.
  • the high-load coupler has a first input connection and at least one second input connection.
  • the first input terminal is connected via a line strip to an output terminal.
  • the second input connection is via a second line strip connected to an absorber.
  • the at least one second conductive strip has a coupling portion and a connecting portion which is directly connected to the absorber.
  • the at least one line strip is further formed as a center conductor of a triplate line.
  • the high-load coupler according to the invention has the advantage that both the coupling of the second input terminal and the connection to an absorber are realized by the second line strip.
  • This second line strip is at the same time the center conductor of a triplate line.
  • the separate production of two printed circuit boards, on each of which strip conductors are arranged and in particular the contacting of, the two circuit boards can therefore be omitted.
  • the center conductor of the triplate line is arranged substantially in one plane.
  • the first and / or the at least one second line strip are advantageous to carry out as a stamped part or as a stamped and bent part.
  • the separate production of an impedance converter can thus be omitted, in particular, the assembly of the individual components of the high-load coupler is simplified.
  • the absorber from at least two absorber elements.
  • a single absorber element is thus interpreted only for a lower performance.
  • the individual absorber elements of an absorber are preferably designed as a flange resistance.
  • the first and the at least one second line strip are preferably arranged between two housing halves of the high-load coupler, wherein the two housing halves each form ground conductors.
  • the two housing halves thus form together with the line strip the triplate line.
  • the line strips are arranged in a cavity formed by the two housing halves.
  • the absorber is preferably arranged on a heat-conducting surface of a coolant line.
  • the coolant line is connected to a housing half.
  • non-conductive fixing elements are preferably provided which connect the first line strip with the second line strip.
  • the fixing elements are provided in the region of the coupling portion of the first conductive strip and the second conductive strip.
  • FIG. 1 an inventive high load coupler 1 with two input terminals 2, 3 is shown.
  • the high-load coupler 1 has a first input terminal 2 for connecting, for example, a first power amplifier and a second input terminal 3 for connecting a second power amplifier.
  • the first input terminal 2 and the second input terminal 3 are frontally at a first Housing half 4 of the high-load coupler 1 mounted.
  • a first line strip 5 or a second line strip 7 is connected to the respective center contacts of the input terminals 2, 3.
  • the first line strip 5 connects the center contact of the first input terminal 2 directly to an output terminal 6.
  • the output terminal 6 is provided, for example, to connect the high-load coupler 1 with a transmitting antenna.
  • the second line strip 7 has a coupling section 9 and a connecting section 7 connected thereto.
  • the coupling section 9 is arranged on the second input terminal 3 side facing the second line strip.
  • the coupling portion 9 of the second conductive strip 7 is arranged parallel to a coupling portion 10 of the first conductive strip 5.
  • the two conductor strips 5, 7 run parallel to one another.
  • the two line strips 5, 7 are arranged in the region of the coupling sections 9, 10 slightly spaced from each other.
  • fixing elements 11.1 to 11.3 are provided.
  • the fixing elements 11.1 to 11.3 pass through the coupling sections 9, 10 of the first conductor strip 5 and of the second conductor strip 7.
  • the fixing elements 11.1 to 11.3 are made of PTFE, for example.
  • the first input terminal 2 and the second input terminal 3 are arranged at a level with respect to the first housing half 4. To be in the area of the coupling portion 9 and 10, respectively, to enable a spaced arrangement of the coupling portions 9, 10, a step 12 is provided in the second conductor strip 7 on a portion arranged between the coupling portion 9 and the second input terminal 3.
  • the line strips 5 and 7 each form a center conductor a triplate line.
  • the arranged on both sides of the two line strips 5,7 ground lines are each by a housing half 4 and one in the Fig. 1 not shown second housing half formed.
  • recesses 14 are formed in the first housing half 4 for this purpose.
  • the recesses 14 receive the first line strip 5 and the second line strip 7.
  • 4 recesses 15 are formed in the first housing half.
  • the recesses 15 serve to save weight and are preferably arranged so deep in the first housing half 4 that remains on an outside a thin surface only surface as a continuous surface of the first housing half 4.
  • a mounting surface 16 is provided between the recesses 14 and the adjacent recesses 15 and the outer edge of the housing half 4.
  • a groove 17 is arranged in the mounting surface 16 along the recesses 14.
  • the groove 17 is provided for receiving a sealing cord.
  • the sealing cord is designed as an HF sealing cord.
  • a coolant line 19 is arranged at an end of the first opposite the first input terminal 2 and the second input terminal 3 Housing half 4.
  • the coolant line 19 is flattened in a region which corresponds to the connecting section 8 and forms a heat-conducting surface 20 in this region.
  • the heat-conducting surface 20 is designed as a flat surface.
  • an absorber 18 is arranged on the heat-conducting surface 20, on the heat-conducting surface 20, an absorber 18 is arranged.
  • the absorber 18 is preferably designed as a flange resistance and consists in the illustrated embodiment of a first absorber element 18.1 and a second absorber element 18.2.
  • the connecting section 8 of the first conductor strip 5 branches at an opposite end 21 into a first line branch 22.1 and a second line branch 22.2.
  • the first line branch 22.1 connects the first absorber element 18.1 to the connecting section 8.
  • the second line branch 22.2 also connects the second absorber element 18.2 to the connecting section 8.
  • a ground line 23 branches off from the remote end 21 of the connecting section 8.
  • the ground line 23 is connected to the first housing half 4, for example by means of a screw.
  • each one end of the line branches 22.1 and 22.2 projects beyond the end of the first housing half 4 facing away from the input terminals 2 and 3 via this first housing half 4.
  • spacers 13 are provided.
  • the spacers 13 penetrate the first line strip 5 and the second line strip 7 at designated holes of the line strips 5, 7.
  • the spacers 13 also have cross-sectional changes, which have a central Ensure position of the strip 5 and of the strip 7 between the two halves of the housing.
  • the function of the illustrated high-load coupler 1 with two input terminals 2 and 3 will be briefly explained.
  • At the first input terminal 2 is an input signal, which is generated by a first power amplifier.
  • a second, identical input signal is present, which, however, is phase-shifted to the first input signal.
  • the second input signal is phase-shifted with respect to the first input signal by 90 °. If both power amplifiers at the two input terminals 2 and 3 are in operation, there is an amplifying coupling in the region of the coupling sections 9, 10 and the total power of the two power amplifiers is supplied via the output terminal 6, for example, a transmitting antenna. Due to the phase position of the two input signals, the signals at the end of the coupling path facing the connection section 8 are extinguished. The power absorbed by the absorber 18 is therefore 0 at ideal extinction.
  • connection section 8 a part of the power of the input signal is forwarded. This redirected portion of the power is absorbed in the absorber 18. The resulting heat is supplied via the heat-conducting surface 20 of the coolant line 19 and thus the coolant therein.
  • the Coolant line 19 is preferably part of a coolant circuit, which is also provided for cooling the connected power amplifier.
  • the high-load coupler 1 according to the invention with two input terminals 2 and 3 is shown open.
  • the second in the Fig. 1 not shown upper housing half is constructed substantially mirror-inverted to the lower housing half 4 shown.
  • the recesses 14 of the lower housing half 4 and recesses in the upper housing half correspond in particular.
  • insulating 24.1 and 24.2 are provided in the field of bushings.
  • the insulating elements 24.1 and 24.2 each have a recess through which the line branches 22.1 and 22.2 are guided laterally.
  • the position of the lead out lines 22.1 and 22.2 set.
  • lid provided to cover the absorber elements 18.1 and 18.2 and the protruding from the housing of the high-load coupler 1 line branches 22.1 and 22.2 is in the Fig. 1 not shown lid provided.
  • the lid is preferably screwed onto the heat-conducting surface 20.
  • FIG. 2 is a second perspective view of the high-load coupler 1 of the invention Fig. 1 shown. Again, the parallel guidance of the two line strips 5 and 7 in the area of Detect coupling link.
  • the length of the coupling path is preferably ⁇ / 4, from which the already mentioned phase shift of 90 ° of the input signals is derived.
  • the connecting portion 8 of the second conductive strip 7 forms a line transformer.
  • the connecting section 8 is for this purpose designed as a so-called "tapered line".
  • the transformation is for impedance matching.
  • the two absorber elements 18.1 and 18.2 may, for example, have an impedance of 25 ohms. Due to the line transformation of the connecting section 8, these 25 ohms of the two absorber elements 18.1, 18.2 are adapted to the connection impedance 50 ohms of the input terminals 2 and 3, respectively. For larger adjustments required, a multi-level width change of the strip conductor 7 in the region of the connecting portion 8 may be required.
  • an impedance matching is represented by two stages.
  • a second example of a high-load coupler 1 'according to the invention is shown in a first perspective.
  • three further input terminals 30, 31 and 32 are provided.
  • the other input terminals 30, 31 and 32 are also provided on that end side of the lower housing half 4 ', on which also the first input terminal 2' and the second input terminal 3 'are arranged.
  • a second coupling path 28 follows the first coupling path 27 with the second line strip 7 '.
  • the sum signal of the two input signals of the first input terminal 2 'and of the second input terminal 3' is coupled to the further input signal of the third input terminal 30.
  • the first line strip 5 ' runs parallel to a third line strip 33.
  • the third line strip 33 leads from a center contact of the third input terminal 30 to a second absorber 34. Because of the higher power to be absorbed in the event of a power amplifier failure Here, a total of three absorber elements 34.1 to 34.3 are provided. The three absorber elements 34.1 to 34.3 together form the second absorber 34.
  • the heat-conducting surface 20 extends in the illustrated embodiment with five input terminals over the entire length of the lower housing half 4 '.
  • a connecting section 35 is also provided for the third line strip 33.
  • the further ground line 38 is connected in the manner already described by a screw connection with the lower housing half 4 '.
  • the first line strip 5 ', the second line strip 7' and also the third line strip 3 ' are designed as stamped parts or stamped and bent parts and in particular preferably in one piece. It is particularly preferred if the first line strip 5 'is formed as a pure stamped part.
  • the first conductor strip 5 'then runs in one plane.
  • a required height offset is achieved in the case of the second line strip 7 'by the already described stage 12.
  • a step 39 is also provided in the third line strip 33 between the third input connection 30 and the second coupling path 28. Beyond the second coupling path 28, a further step may be provided in the third conductor strip 33 to reach the central position between the housing halves.
  • the first line strip 5 'and the third line strip 33 are connected to one another via further fixing elements 11.4 to 11.7.
  • each line strip 40, 41 first extends parallel to one another in the region of a third coupling section 42.
  • the fifth line strip 41 has a connecting section 43, the end 44 remote from the third coupling path 42 branches off into a first line branch 45.1 and a second line branch 45.2 of the fifth line strip 41.
  • the fifth input connection 32 is connected to a sixth absorber element 46.1 and a seventh absorber element 46.2.
  • the two absorber elements 46.1 and 46.2 together form a third absorber 46.
  • the third absorber 46 is likewise arranged on the heat-conducting surface 20.
  • the fourth line strip 40 also transitions into a connecting section 47 on the side of the third coupling line 42 remote from the fourth input terminal 31.
  • the connecting portion 47 of the fourth strip of conductor 40 in addition to the line transformer an additional coupling portion 49.
  • the additional. Coupling section 49 is parallel to a third coupling portion 50 of the first line strip 5 '.
  • the additional coupling section 49 and the third coupling section 50 of the first conductor strip 5 ' are in turn parallel to one another and are fixed by four further fixing elements 11.8 to 11.11 with regard to their spacing and their position.
  • the power of the power amplifier which is connected to the second input terminal 3 ' has been summed into the input signal of the first input terminal 2' in the first line strip 5 'in its first coupling section 10 and in the further course of the first line strip 5' in the region of the second Coupling path 28, the power of the power amplifier, which is connected to the third input terminal 30 has been supplemented, is now coupled in the region of the fourth coupling path 48, the sum of the power of the two power amplifiers, which are connected to the fourth input terminal 31 and the fifth input terminal 32.
  • An end of the first conductor strip 5 'facing away from the first input connection 2' connects the first conductor strip 5 'to the one in the Fig. 3 invisible output terminal 6 '.
  • a transformation section 52 connects.
  • the transformation section 52 branches off at its end remote from the additional coupling section 49 into five further line branches 53.1 to 53.5 of the fifth line strip 41 and a fourth ground line 56.
  • the five further line branches 53.1 to 53.5 are like all other line branches of the second to fourth Lead strip 5 ', 7' and 40 led out of the housing of the high-load coupler at the opposite end of the input terminals.
  • each of the further line branches 53.1 to 53.5 is also connected to one absorber element 56.1 to 56.5 each.
  • the five absorber elements 56.1 to 56.5 together form a fourth absorber 56.
  • each absorber element forming an absorber is determined by the power that is to be absorbed in the event of an amplifier failure. Since, in the event of a failure of the power amplifier connected to the fourth input terminal 31, a correspondingly high total power is to be absorbed because of the already coupled coupling of the power of the other four amplifiers, the fifth absorber 56 must therefore already comprise five absorber elements 56.1 to 56.5 in the illustrated embodiment. It is assumed that all the absorber elements used are identical and have an identical load capacity.
  • Fig. 4 is a second perspective of the high-load coupler the Fig. 3 shown. It can be seen that the first housing half 4 'of the output terminal 6' is provided. The output terminal 6 'is provided, for example, for connecting the high-load coupler 1' to a transmitting antenna.
  • a water drainage valve 59 is arranged at the coolant line 19 '.
  • the coolant line 19 ' is formed as a manifold.
  • the manifold is connected via five connecting lines 60 to 64, for example, with the cooling circuits of the connected Power amplifier connected.
  • the coolant flowing back from the power amplifiers is supplied via the connecting lines 60 to 64 to the coolant line 19 'and discharged together via a return line 65.
  • the return line 65 leads the heated coolant back to a radiator.
  • a ventilation device 66 is arranged at a front end of the coolant line 19. By means of the venting device 66, the coolant circuit can be vented automatically.

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  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)

Claims (7)

  1. Dispositif comprenant un coupleur à charge élevée et une conduite de fluide de refroidissement, dispositif dans lequel le coupleur à charge élevée comporte un premier raccord de branchement d'entrée, qui est relié directement à un raccord de branchement de sortie par l'intermédiaire d'un premier ruban conducteur, et au moins un deuxième raccord de branchement d'entrée, qui est relié à un absorbeur du coupleur à charge élevée par l'intermédiaire d'au moins un deuxième ruban conducteur, dans lequel ledit au moins un deuxième ruban conducteur présente un tronçon de couplage et un tronçon de liaison,
    dans lequel le tronçon de couplage du deuxième ruban conducteur est agencé parallèlement à un tronçon de couplage du premier ruban conducteur, à distance de celui-ci,
    dans lequel la conduite de fluide de refroidissement est agencée à l'extérieur de la cavité,
    et dans lequel ledit au moins un deuxième raccord de branchement d'entrée est relié directement à l'absorbeur par l'intermédiaire dudit au moins un deuxième ruban conducteur,
    dans lequel le premier et ledit au moins un deuxième ruban conducteur sont réalisés en tant que conducteur central d'une ligne tri-plaque,
    caractérisé
    en ce que le dispositif présente par ailleurs l'absorbeur et une cavité formée par une première moitié de boitier et une deuxième moitié de boitier, et
    les rubans conducteurs sont agencés dans la cavité formée par les deux moitiés de boitier, et les moitiés de boitier forment chacune respectivement un conducteur de masse de la ligne tri-plaque,
    l'absorbeur est agencé sur une surface conductrice de la chaleur, réalisée en tant qu'une surface plane de la conduite de fluide de refroidissement,
    la conduite de fluide de refroidissement est reliée à une moitié de boitier de façon à ce que la surface conductrice de chaleur et le tronçon de liaison se situent dans un plan, et une extrémité d'au moins une branche conductrice du deuxième ruban conducteur est, au niveau de l'extrémité de la première moitié de boitier, qui est opposée au premier et au dit au moins un deuxième raccord de branchement d'entrée, menée à l'extérieur pour contacter l'absorbeur, par la première moitié de boitier à travers au moins une traversée,
    ladite au moins une traversée présentant respectivement un élément isolant et ladite au moins une branche conductrice étant guidée par un évidement dans l'élément isolant, et
    un couvercle, qui est destiné à recouvrir l'absorbeur et l'extrémité en saillie extérieure de la branche conductrice, est agencé sur la surface conductrice de chaleur de la conduite de fluide de refroidissement.
  2. Dispositif selon la revendication 1,
    caractérisé
    en ce que le premier ruban conducteur (5, 5') et/ou ledit au moins un deuxième ruban conducteur (7, 7') est ou sont fabriqués sous forme de pièce découpée ou pièce découpée et pliée.
  3. Dispositif selon la revendication 1 ou la revendication 2,
    caractérisé
    en ce que l'absorbeur (18, 18', 34, 46, 56) comprend un ou plusieurs éléments d'absorbeur (18.1, 18.1', 18.2, 18.2', 34.i, 46.i, 56.i).
  4. Dispositif selon la revendication 3,
    caractérisé
    en ce que l'extrémité (21) du tronçon de liaison (8), qui est éloignée du tronçon de couplage (9), est reliée respectivement par l'intermédiaire d'une branche conductrice (22.1, 22.2, 22.1', 22.2') à un élément d'absorbeur (18.1, 18.1', 18.2, 18.2') respectif.
  5. Dispositif selon l'une des revendications 1 à 4,
    caractérisé
    en ce que l'absorbeur (18, 18', 34, 46, 56) comprend une ou plusieurs résistances.
  6. Dispositif selon l'une des revendications 1 à 5,
    caractérisé
    en ce que le tronçon de liaison (8, 35, 43, 52) est réalisé en tant que transformateur de ligne.
  7. Dispositif selon l'une des revendications 1 à 6,
    caractérisé
    en ce que le premier ruban conducteur (5, 5') et relié au deuxième ruban conducteur (7, 7') par des éléments de fixation (11.i) non conducteurs, et les éléments de fixation (11.i) fixent la position relative des deux rubans conducteurs (5, 5', 7, 7') l'un par rapport à l'autre, dans la zone des tronçons de couplage (9, 10, 9', 10').
EP08701174.8A 2007-02-22 2008-01-22 Coupleur a charge elevee Active EP2122745B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007008753A DE102007008753A1 (de) 2007-02-22 2007-02-22 Hochlastkoppler
PCT/EP2008/000465 WO2008101578A1 (fr) 2007-02-22 2008-01-22 Coupleur à charge élevée

Publications (2)

Publication Number Publication Date
EP2122745A1 EP2122745A1 (fr) 2009-11-25
EP2122745B1 true EP2122745B1 (fr) 2014-09-03

Family

ID=39282681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08701174.8A Active EP2122745B1 (fr) 2007-02-22 2008-01-22 Coupleur a charge elevee

Country Status (7)

Country Link
US (1) US8058947B2 (fr)
EP (1) EP2122745B1 (fr)
JP (1) JP5075210B2 (fr)
CN (1) CN101617437B (fr)
BR (1) BRPI0807566A2 (fr)
DE (1) DE102007008753A1 (fr)
WO (1) WO2008101578A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8174338B2 (en) * 2008-06-02 2012-05-08 Innovative Power Products, Inc. Impedance transforming hybrid coupler
DE102009015870B4 (de) 2009-04-01 2015-07-09 Rohde & Schwarz Gmbh & Co. Kg Sendeverstärker mit Energierückgewinnung
US10536128B1 (en) 2019-06-25 2020-01-14 Werlatone, Inc. Transmission-line-based impedance transformer with coupled sections

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JPS63136656A (ja) * 1986-11-28 1988-06-08 Nec Corp 電子回路パツケ−ジの放熱構造
EP0281404A2 (fr) * 1987-03-04 1988-09-07 Nec Corporation Système de refroidissement pour équipement électronique
JP2001111279A (ja) * 1999-10-08 2001-04-20 Hitachi Electronics Eng Co Ltd 電子部品冷却装置

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DE19605569A1 (de) * 1996-02-15 1997-08-21 Daimler Benz Aerospace Ag Richtkoppler für den Hochfrequenzbereich
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JP5172658B2 (ja) * 2005-04-29 2013-03-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャネル送受信アンテナ装置を操作するための方法及び回路装置。

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Publication number Priority date Publication date Assignee Title
US4459568A (en) * 1982-02-02 1984-07-10 Rockwell International Corporation Air-stripline overlay hybrid coupler
JPS63136656A (ja) * 1986-11-28 1988-06-08 Nec Corp 電子回路パツケ−ジの放熱構造
EP0281404A2 (fr) * 1987-03-04 1988-09-07 Nec Corporation Système de refroidissement pour équipement électronique
JP2001111279A (ja) * 1999-10-08 2001-04-20 Hitachi Electronics Eng Co Ltd 電子部品冷却装置

Also Published As

Publication number Publication date
JP2010519824A (ja) 2010-06-03
WO2008101578A1 (fr) 2008-08-28
CN101617437B (zh) 2013-06-12
US8058947B2 (en) 2011-11-15
JP5075210B2 (ja) 2012-11-21
US20100109797A1 (en) 2010-05-06
CN101617437A (zh) 2009-12-30
BRPI0807566A2 (pt) 2014-07-01
DE102007008753A1 (de) 2008-08-28
EP2122745A1 (fr) 2009-11-25

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