EP2160794A1 - Breitbandiger richtkoppler mit einstellbarer richtschärfe - Google Patents
Breitbandiger richtkoppler mit einstellbarer richtschärfeInfo
- Publication number
- EP2160794A1 EP2160794A1 EP08773406A EP08773406A EP2160794A1 EP 2160794 A1 EP2160794 A1 EP 2160794A1 EP 08773406 A EP08773406 A EP 08773406A EP 08773406 A EP08773406 A EP 08773406A EP 2160794 A1 EP2160794 A1 EP 2160794A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- line
- directional coupler
- lines
- conductively connected
- substrate
- 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
Links
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 directional coupler for directional transmission of high-frequency signals.
- the invention is based on the object to provide a directional coupler, which has a high directivity in a desired frequency range with little effort and compact dimensions of the circuit structure.
- the directional coupler according to the invention has at least three lines and at least three terminals. Two of the three lines are conductively connected at least at their ends. A third conduit is disposed between and electromagnetically coupled to the first and second conduits. In this case, the high-frequency signal from the Transfer third line to the first line and the second line. The coupling takes place via a coupling gap. The coupling surface increased by the three coupled lines allows a compact construction of the circuit with high directivity.
- the directional coupler is advantageously constructed in stripline technology.
- a design in the popular stripline technique provides compatibility with other circuits constructed in this technique in the particular application on the same substrate. Furthermore, this technique is characterized by little effort of the circuit structure.
- Coupling gaps advantageously the frequency response of the directivity is determined. This makes it easy to adjust the frequency-dependent directivity in the design process.
- the first and the second line have at least one common connection.
- the third line advantageously has at least two connections. Imprinting and picking up the signals is made possible by this structure.
- the transmission of signals from at least one first connection of the third line to at least one connection of the first and second line is at most slightly attenuated.
- the transmission of signals from at least one second terminal of the third line to at least one terminal of the first and second line is strongly attenuated.
- third line is conductively connected to a fourth line and a fifth line at least at their ends.
- the fourth and fifth lines are preferably arranged parallel and outside the first and second line.
- the fourth and fifth lines are advantageously separated by coupling gaps from the first and second line. An increase in the number of lines increases the coupling surface.
- the directivity is significantly increased at not significantly increased effort and space requirements of the circuit structure.
- the first and second lines are conductively connected to a plurality of further lines at least at their ends.
- the third line is conductively connected to a plurality of further lines at least at their ends.
- the several further lines preferably run parallel outside the first and second lines and are each separated by coupling gaps.
- On the side of the first and second lines facing away from the third line there are advantageously placed alternately a line connected to the first and second lines and a line connected to the third line. Any number of additional coupling lines further increases the directivity, without significantly increasing the effort and space requirements of the circuit structure.
- the directional coupler is advantageously constructed on the front side of a substrate.
- the back side of the substrate is advantageously metallized and has a reference potential.
- all lines connected to the third line are connected through vias to the back of the substrate, wherein the metallization is interrupted around the connections of the vias.
- FIG. 1 shows an exemplary representation of the front side of a first embodiment of the directional coupler according to the invention
- FIG. 2 shows an exemplary representation of the rear side of the first exemplary embodiment of the directional coupler according to the invention
- FIG. 3 shows an exemplary representation of details of the front side of the first exemplary embodiment of the directional coupler according to the invention
- FIG. 4 shows an exemplary illustration of the front side of a second embodiment of the directional coupler according to the invention
- 5 shows an exemplary representation of the rear side of the second exemplary embodiment of the directional coupler according to the invention
- 6 is an exemplary illustration of details of
- Fig. 7 is an exemplary three-dimensional representation of the second embodiment of the directional coupler according to the invention.
- Fig. 1 shows an exemplary representation of the front side of a first embodiment of the directional coupler according to the invention.
- the lines 16, 18 and 19 are applied in stripline technology.
- the line 16 is connected to the coaxial terminals 12 and 13 as described in more detail in FIG.
- the lines 18 and 19 are conductively connected together.
- the lines 18 and 19 have the two common coaxial connections 11 and 14.
- the desired coupling direction of the directional coupler extends from coaxial terminal 11 to coaxial terminal 12 and from coaxial terminal 14 to coaxial terminal 13. The function the directional coupler will be described in more detail with reference to FIG. 3.
- FIG. 2 an exemplary representation of the back of the first embodiment of the directional coupler according to the invention is shown.
- the rear side 30 of the substrate 10 mentioned in FIG. 1 is metallized over a large area.
- the line 16 of FIG. 1 is guided by means of plated-through holes on the rear side 30 of the substrate 10.
- the vias are conductively connected to vias of the coaxial terminals 32 and 33 within areas 35 and 36 isolated from the metallization.
- FIG. 3 shows an exemplary representation of details of the front side of the first exemplary embodiment of the directional coupler according to the invention.
- the line 58 is conductively connected to the contacts 52 and 54.
- the lines 51 and 59 are conductively connected.
- the contacts 50, 52, 54 and 57 lead to the Koaxialanêtn 11, 12, 13 and 14 described in FIG. 1, said lines 51, 58, and 59 are separated by the coupling gap 56 from each other.
- the frequency response of the directivity of the directional coupler is set. Due to the high coupling area available through the plurality of lines 51, 58 and 59, a high level of directivity is possible with a compact design of the directional coupler on only one substrate layer.
- FIG. 4 shows an exemplary representation of the front side of a second exemplary embodiment of the directional coupler according to the invention.
- the lines 75, 76, 77, 78 and 79 are applied in stripline technology.
- the lines 75, 76 and 77 are connected to the coaxial terminals 72 and 73 as described in more detail in FIG.
- the lines 78 and 79 are conductively connected together.
- the lines 78 and 79 have the two common coaxial connectors 71 and 74.
- the desired coupling direction of the Riehtkopplers extends from coaxial connector 71 to coaxial connector 72 and coaxial connector 74 to coaxial connector 73.
- the function of the directional coupler will be described with reference to FIG.
- FIG. 5 an exemplary representation of the back of the second embodiment of the directional coupler according to the invention is shown.
- the rear side 80 of the substrate 70 mentioned in FIG. 4 is metallized over a large area.
- the lines 75, 76 and 77 of FIG. 3 are guided by means of plated-through holes on the rear side 80 of the substrate 70.
- the vias are conductively connected to each other and to vias of the coaxial terminals 82 and 83 within areas 85 and 86 isolated from the metallization.
- FIG. 6 shows an exemplary representation of details of the front side of the second embodiment of the directional coupler according to the invention.
- the leads 110, 113 and 118 are conductively connected to the contacts 112 and 114.
- the lines 111 and 119 are conductively connected.
- the contacts 110, 112, 114 and 117 lead to the coaxial terminals 71, 72, 73 and 74 described in FIG. 4.
- Said lines 110, 113 and 118 are separated from the lines 111 and 119 by coupling gaps 115, 116 and 120.
- the frequency response of the directivity of the directional coupler is set. Due to the high coupling area available through the multiple lines 110, 111, 113, 118 and 119, a high directivity is possible with a compact design of the directional coupler on only one substrate layer.
- Fig. 7 an exemplary three-dimensional representation of the second embodiment of the directional coupler according to the invention is shown.
- the scaling of the axes does not correspond to the scaling of the previous representations.
- the vertical dimension is greatly stretched in relation to the horizontal dimensions in the substrate plane, so that the plated-through holes 90 are better recognizable.
- the strip lines 92, 96 and 97 are conductively connected to one another and to the contacts 94 and 98 via the vias 90 and the interconnect 100 on the back of the substrate.
- the strip lines 91 and 95 are connected to each other on the substrate front side and to the contacts 93 and 99. The connection is made from port 93 to port 94 and from port 99 to port 98.
- Embodiment limited.
- the frequency response of the directivity influencing components can be used.
- use of the structure in multilayer printed circuit boards is conceivable.
- a further increase in the number of lines used for coupling is also possible. All features described above or features shown in the figures can be combined with each other in the invention as desired.
Landscapes
- Waveguides (AREA)
- Structure Of Printed Boards (AREA)
- Transmitters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007029125A DE102007029125A1 (de) | 2007-06-25 | 2007-06-25 | Breitbandiger Richtkoppler mit einstellbarer Richtschärfe |
| PCT/EP2008/004726 WO2009000431A1 (de) | 2007-06-25 | 2008-06-12 | Breitbandiger richtkoppler mit einstellbarer richtschärfe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2160794A1 true EP2160794A1 (de) | 2010-03-10 |
| EP2160794B1 EP2160794B1 (de) | 2012-12-26 |
Family
ID=39639272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08773406A Active EP2160794B1 (de) | 2007-06-25 | 2008-06-12 | Breitbandiger richtkoppler mit einstellbarer richtschärfe |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8258889B2 (de) |
| EP (1) | EP2160794B1 (de) |
| DE (1) | DE102007029125A1 (de) |
| IL (1) | IL202900A (de) |
| PT (1) | PT2160794E (de) |
| WO (1) | WO2009000431A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009004099U1 (de) | 2009-03-24 | 2009-06-18 | Linde Aktiengesellschaft | Vorrichtung zur Tieftemperaturzerlegung von Luft |
| US9356330B1 (en) * | 2012-09-14 | 2016-05-31 | Anadigics, Inc. | Radio frequency (RF) couplers |
| WO2014132252A1 (en) | 2013-02-27 | 2014-09-04 | Corning Optical Communications Wireless,Ltd. | Directional couplers having variable power ratios and related devices, systems, and methods |
| DE102015212184B4 (de) | 2015-06-30 | 2025-06-18 | TRUMPF Hüttinger GmbH + Co. KG | Richtkoppler |
| US9780429B2 (en) * | 2015-10-16 | 2017-10-03 | International Business Machines Corporation | 3D-microstrip branchline coupler |
| US10142025B2 (en) | 2017-04-18 | 2018-11-27 | Corning Optical Communications Wireless Ltd | High-directivity directional coupler, and related methods and systems |
| RU189725U1 (ru) * | 2019-03-27 | 2019-05-31 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Томский государственный университет систем управления и радиоэлектроники" (ТУСУР) | Свч фазовращатель отражательного типа |
| CN113497326B (zh) * | 2021-06-30 | 2022-06-10 | 华为技术有限公司 | 耦合器、射频电路板、射频放大器及电子设备 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798575A (en) * | 1972-12-14 | 1974-03-19 | Rca Corp | Microwave transmission line and devices using multiple coplanar conductors |
| JPS5686505A (en) * | 1979-12-17 | 1981-07-14 | Fujitsu Ltd | Hybrid coupler |
| IT1130952B (it) | 1980-03-10 | 1986-06-18 | Cise Spa | Accoppiatore direzionale a banda larga in geometria complanare |
| US4591812A (en) * | 1982-11-22 | 1986-05-27 | Communications Satellite Corporation | Coplanar waveguide quadrature hybrid having symmetrical coupling conductors for eliminating spurious modes |
| US5105171A (en) * | 1991-04-29 | 1992-04-14 | Hughes Aircraft Company | Coplanar waveguide directional coupler and flip-clip microwave monolithic integrated circuit assembly incorporating the coupler |
| US5767753A (en) * | 1995-04-28 | 1998-06-16 | Motorola, Inc. | Multi-layered bi-directional coupler utilizing a segmented coupling structure |
| US5689217A (en) | 1996-03-14 | 1997-11-18 | Motorola, Inc. | Directional coupler and method of forming same |
| SE520792C2 (sv) * | 2000-12-22 | 2003-08-26 | Allgon Ab | Fyrports hybridmikrostripkrets av Langetyp |
| US6549090B2 (en) * | 2001-07-19 | 2003-04-15 | Cree Microwave, Inc. | Inverted coplanar waveguide coupler with integral microstrip connection ports |
| US7425877B2 (en) * | 2001-09-21 | 2008-09-16 | Ultrasource, Inc. | Lange coupler system and method |
| SE522404C2 (sv) | 2001-11-30 | 2004-02-10 | Ericsson Telefon Ab L M | Riktkopplare |
| US7646261B2 (en) * | 2005-09-09 | 2010-01-12 | Anaren, Inc. | Vertical inter-digital coupler |
-
2007
- 2007-06-25 DE DE102007029125A patent/DE102007029125A1/de not_active Withdrawn
-
2008
- 2008-06-12 US US12/594,971 patent/US8258889B2/en active Active
- 2008-06-12 EP EP08773406A patent/EP2160794B1/de active Active
- 2008-06-12 PT PT87734067T patent/PT2160794E/pt unknown
- 2008-06-12 WO PCT/EP2008/004726 patent/WO2009000431A1/de not_active Ceased
-
2009
- 2009-12-22 IL IL202900A patent/IL202900A/en not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009000431A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009000431A1 (de) | 2008-12-31 |
| EP2160794B1 (de) | 2012-12-26 |
| US20100134201A1 (en) | 2010-06-03 |
| PT2160794E (pt) | 2013-01-21 |
| IL202900A (en) | 2013-10-31 |
| US8258889B2 (en) | 2012-09-04 |
| DE102007029125A1 (de) | 2009-01-02 |
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