EP0886337A2 - Anordnung zum Ankoppeln eines Rechteckhohlleiters an ein Speisenetzwerk einer planaren Antenne - Google Patents
Anordnung zum Ankoppeln eines Rechteckhohlleiters an ein Speisenetzwerk einer planaren Antenne Download PDFInfo
- Publication number
- EP0886337A2 EP0886337A2 EP98103073A EP98103073A EP0886337A2 EP 0886337 A2 EP0886337 A2 EP 0886337A2 EP 98103073 A EP98103073 A EP 98103073A EP 98103073 A EP98103073 A EP 98103073A EP 0886337 A2 EP0886337 A2 EP 0886337A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- waveguide
- section
- substrate
- web
- microstrip line
- 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
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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
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
Definitions
- the present invention relates to an arrangement for coupling a rectangular waveguide to a microstrip line of a feed network for a planar antenna.
- Planar antennas usually consist of a large number of planar antenna elements (patches) over a feed network are interconnected.
- the in the dining network Coupling in and out signals are common guided over waveguide filters. It is therefore necessary Transitions from the microstrip lines of the feed network to create waveguides to which the waveguide filter can be connected.
- the feed network of a planar antenna is very complex and has little space for coupling one Waveguide is available, an arrangement for Coupling a rectangular waveguide to a microstrip line of a feed network for a planar antenna be that has as little space as possible.
- the feed network and a planar line structure the antenna are on different sides a two-layer substrate, with a ground surface between the two layers of substrate.
- the rectangular waveguide is a waveguide angle with a microstrip line covering, extending in the substrate plane first waveguide section and one perpendicular to the Substrate level standing second waveguide section, wherein the waveguide angle has no wall in the substrate plane and its walls perpendicular to the substrate are in contact with the ground plane.
- the waveguide angle there is a web which is located in the first waveguide section extending and with the microstrip line has contacted first section to which a second one running in the second waveguide section Section of the web connects.
- FIG. 1 is a longitudinal section through the arrangement the micro tire line and in FIG. 2 a view A. shown the longitudinal section.
- FIG. 1 is a longitudinal section through the arrangement the micro tire line and in FIG. 2 a view A. shown the longitudinal section.
- Both views in the figures 1 and 2 show that the microstrip line belonging to the feed network 2 applied to a two-layer substrate is.
- the dining network is located on one first substrate layer 2 and the patches 5 of the planar antenna on the opposite side of a second substrate layer 4. There is one between the two substrate layers 3 and 4 for the microstrip line 2 of the feed network and for the patches 5 of the planar antenna common ground 6.
- the first substrate layer 3 On the first substrate layer 3 is over a section of the Microstrip line 2 of the rectangular waveguide feed network 1 arranged. It is a waveguide angle, one covering the microstrip line 2, in the substrate plane extending first waveguide section 7 and one standing perpendicular to the substrate plane has second waveguide section 8.
- the second waveguide 8 has a normal waveguide cross section at its end with the narrow side b and the broad side a, to e.g. to be able to connect a waveguide filter.
- the longitudinal section through the rectangular waveguide 1 only shows one half of the waveguide with the broad side a / 2.
- the front wall of the waveguide broadside is not shown been.
- the waveguide angle points in the substrate plane no wall on.
- the electrical function of the waveguide wall is replaced by the ground surface 6.
- the ground plane 6 in the first substrate layer 3 at least at the points, on which the side walls of the waveguide angle rest, exposed.
- the walls perpendicular to the substrate of the waveguide angle 1 are connected to the ground surface 6 by soldering, Welding or conductive glue electrically connected.
- the microstrip line 2 in the second waveguide section 8 provides a web arranged in the waveguide angle 1 9.
- This web 9 has a first section 10, which is in the first Waveguide section 7 on the one hand with the substrate parallel waveguide wall and on the other hand over a certain length (2 to 5 mm at an operating frequency of 20 GHz) is contacted with the microstrip line 2.
- the first web section 10 goes into a second web section 11 above that in the second waveguide section 8 extends into it.
- the height of the second web section 11 is towards the exit of the second waveguide section 8 reduced in height.
- the height reduction of the web can be graded (as shown in the drawing) or also take place continuously.
- the second waveguide section 8 has a cross-sectional transformation 12 on the cross section of the waveguide section 8 of the smaller waveguide cross section of the section 7 to a desired standard waveguide cross section expands at the output of the second waveguide section 8.
- the first waveguide section has an operating frequency of 20 GHz 7 a parallel to the substrate plane Broad side of 5 mm and a narrow side of 2.5 mm.
- the standard cross section of the second waveguide section 8 a broad side a of 10.668 mm and a narrow side b of 4.318 mm.
- the transition from the first Web section 10 on the second web section 11 does not abruptly (see Figure 1), but by a bevel 13 of the Stege gradually.
- the bevel 13 can, as in the figure 2, linear, but it can also be a stepped or have a non-linear shape.
- the first substrate layer 2 on which the microstrip line 2 runs is in the region of the second waveguide section 8 away.
- the first web section 10 makes where it extends beyond the end of the first substrate layer 3, one Jump 14 towards the ground plane 6. At this The gradual transition 13 sets jump 14 to the second Web section 11. The jump 14 compensates for that by Removal of the first substrate layer reduced capacitance.
- additional adaptation elements can be provided in the web 9 are provided, which are in microstrip technology do not let realize.
- a hole 15 is inserted (see Figure 2).
- the web 9 can also with several holes on suitable for the adaptation Places are provided.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
Claims (6)
- Anordnung zum Ankoppeln eines Rechteckhohlleiters an eine Mikrostreifenleitung eines Speisenetzwerks für eine planare Antenne, dadurch gekennzeichnet,daß das Speisenetzwerk (2) und eine planare Leitungsstruktur (5) der Antenne auf unterschiedlichen Seiten eines zweilagigen Substrats (3, 4), mit einer Massefläche (6) zwischen den beiden Substratlagen (3, 4), aufgebracht sind,daß der Rechteckhohlleiter (1) ein Hohlleiterwinkel ist mit einem die Mikrostreifenleitung (2) überdeckenden, in der Substratebene sich erstreckenden ersten Hohlleiterabschnitt (7) und einem senkrecht auf der Substratebene stehenden zweiten Hohlleiterabschnitt (8), wobei der Hohlleiterwinkel (1) in der Substratebene keine Wand aufweist und seine senkrecht auf dem Substrat stehenden Wände mit der Massefläche (6) kontaktiert sind,und daß sich im Hohlleiterwinkel (1) ein Steg (9) befindet, der einen sich im ersten Hohlleiterabschnitt (7) erstreckenden und mit der Mikrostreifenleitung (2) kontaktierten ersten Abschnitt (10) aufweist, an den sich ein Zweiter in dem zweiten Hohlleiterabschnitt (8) verlaufender Abschnitt (11) des Steges anschließt.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß innerhalb der ersten Substratlage (3), auf der sich das Speisenetzwerk befindet, die Massefläche (6) zur Kontaktierung mit den Hohlleiterwänden freigelegt ist.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der zweite Stegabschnitt (11) zum Ausgang des zweiten Hohlleiterabschnitts (8) hin in seiner Höhe reduziert ist.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der zweite Hohlleiterabschnitt (8) eine Querschnittstransformation (12) vom Querschnitt des ersten Hohlleiterabschnitts (7) auf einen gewünschten Normhohlleiter-Querschnitt am Ende des zweiten Hohlleiterabschnitts (8) aufweist.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Übergang vom ersten Stegabschnitt (10) auf den zweiten Stegabschnitt (11) allmählich erfolgt.
- Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß in den ersten Stegabschnitt (10) über der ersten Substratlage (3) der Mikrostreifenleitung (2) mindestens ein Loch (15) als Anpassungselement eingelassen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19725492A DE19725492C1 (de) | 1997-06-17 | 1997-06-17 | Anordnung zum Ankoppeln eines Rechteckhohlleiters an ein Speisenetzwerk einer planaren Antenne |
| DE19725492 | 1997-06-17 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0886337A2 true EP0886337A2 (de) | 1998-12-23 |
| EP0886337A3 EP0886337A3 (de) | 1999-11-10 |
| EP0886337B1 EP0886337B1 (de) | 2004-05-26 |
Family
ID=7832672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98103073A Expired - Lifetime EP0886337B1 (de) | 1997-06-17 | 1998-02-21 | Anordnung zum Ankoppeln eines Rechteckhohlleiters an ein Speisenetzwerk einer planaren Antenne |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0886337B1 (de) |
| DE (2) | DE19725492C1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008076029A1 (en) * | 2006-12-21 | 2008-06-26 | Telefonaktiebolaget Lm Ericsson (Publ) | A dual polarized waveguide feed arrangement |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9893406B2 (en) | 2009-08-19 | 2018-02-13 | Vubiq Networks, Inc. | Method of forming a waveguide interface by providing a mold to form a support block of the interface |
| KR20120078697A (ko) * | 2009-08-19 | 2012-07-10 | 부비큐, 인코포레이티드 | 정밀 도파관 인터페이스 |
| DE102017214871A1 (de) | 2017-08-24 | 2019-02-28 | Astyx Gmbh | Übergang von einer Streifenleitung auf einen Hohlleiter |
| US10818997B2 (en) | 2017-12-29 | 2020-10-27 | Vubiq Networks, Inc. | Waveguide interface and printed circuit board launch transducer assembly and methods of use thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830764B2 (ja) * | 1978-10-13 | 1983-07-01 | 富士通株式会社 | 導波管マウント |
| JPS5846702A (ja) * | 1981-09-11 | 1983-03-18 | Nec Corp | 直流阻止形リツジ導波管・マイクロストリツプライン変換器 |
| JPH05273234A (ja) * | 1992-03-25 | 1993-10-22 | Mitsubishi Electric Corp | Mmic装置及びrfプローブヘッド |
-
1997
- 1997-06-17 DE DE19725492A patent/DE19725492C1/de not_active Expired - Fee Related
-
1998
- 1998-02-21 DE DE59811447T patent/DE59811447D1/de not_active Expired - Fee Related
- 1998-02-21 EP EP98103073A patent/EP0886337B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008076029A1 (en) * | 2006-12-21 | 2008-06-26 | Telefonaktiebolaget Lm Ericsson (Publ) | A dual polarized waveguide feed arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0886337B1 (de) | 2004-05-26 |
| DE59811447D1 (de) | 2004-07-01 |
| EP0886337A3 (de) | 1999-11-10 |
| DE19725492C1 (de) | 1998-08-20 |
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