CN2793946Y - Balanced-feeding and waveguiding gap array antenna unit with wideband integration - Google Patents
Balanced-feeding and waveguiding gap array antenna unit with wideband integration Download PDFInfo
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- CN2793946Y CN2793946Y CN 200520071953 CN200520071953U CN2793946Y CN 2793946 Y CN2793946 Y CN 2793946Y CN 200520071953 CN200520071953 CN 200520071953 CN 200520071953 U CN200520071953 U CN 200520071953U CN 2793946 Y CN2793946 Y CN 2793946Y
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Abstract
The utility model discloses a balanced-feeding wideband substrate integrated waveguide slot array antenna unit which is used for a communication system and comprises a dielectric substrate of which the top surface is provided with a metal patch; the ground of the dielectric substrate is provided with a metal patch; a substrate integrated waveguide is arranged on the dielectric substrate; the metal patch on the top surface is provided with radiating slots which are positioned in the interior zone of the substrate integrated waveguide and respectively on both sides of the central line of the substrate integrated waveguide; the substrate integrated waveguide is provided with feeding points respectively at both ends and is formed from two rows of plated through holes which are arranged on the dielectric substrate; both ends of the plated through holes are respectively connected with the metal patch on the top surface and the metal patch on the ground. The utility model has the advantages of small size, light weight, high Q value, low loss, low cost, wide working bandwidth, high unit gain, easy integration of a microwave millimeter wave antenna and suitability for a microwave millimeter wave integrated circuit.
Description
Technical field
The utility model relates to a kind of broad-band antenna that uses in communication system, relate in particular to a kind of balanced feed type broad-band chip integrated waveguide slot array antenna unit.
Background technology
The microwave and millimeter wave antenna has obtained using widely in a large number in Modern Communication System.As requisite parts of communication system, Modern Communication System has proposed very high requirement to the microwave and millimeter wave antenna.At first it should have higher gain and directivity preferably; Secondly antenna can be integrated among other circuit system very easily; The size of third antenna is little, and it is light that weight is wanted, and cost of processing is low, commercially produces thereby can be used on a large scale.In addition, because a lot of communication system has the working band of broad, therefore need antenna to have the bandwidth of broad.Utilize traditional rectangular metal waveguide, can realize high performance microwave and millimeter wave antenna.But this class antenna is very high to the required precision of processing, millimeter wave band particularly, the machining accuracy of antenna is difficult to control, this from and directly influenced the performance of antenna.On the other hand, this class antenna is difficult to integrated.It needs the switching mechanism of some more complicated precisions could combining antenna and circuit system zero-clearance.In addition, when the more and required antenna unit array of the fluting number of antenna gains when higher, traditional rectangular metal waveguide broadside longitudinal slot array antenna can only be in arrowband work.Above reason has determined that directly traditional rectangular metal radiating guide processing cost is relatively more expensive, is difficult to directly realize that the zero-clearance between antenna and the system is integrated, is not suitable for wide-band communication system.The bandwidth of chip integrated waveguide slot array antenna commonly used and the thickness of substrate integration wave-guide are closely related, the bandwidth of operation that broad can be arranged when the thickness of substrate integration wave-guide is thicker, but when the very thin thickness of substrate integration wave-guide, utilize conventional chip integrated waveguide slot array antenna designing technique to be difficult to design the antenna of wide bandwidth and high-gain.When the microwave and millimeter wave circuit working when upper frequency (greater than 10GHz), if use thicker dielectric substrate will increase the loss of Circuits System widely, influence the performance of circuit, so in the design of high-frequency microwave millimetre-wave circuit, can only use thin dielectric substrate, thereby caused the substrate integration wave-guide on same dielectric substrate to have very thin thickness, therefore utilize chip integrated waveguide slot array antenna commonly used to be difficult to obtain wide bandwidth and high-gain, thereby be difficult to satisfy the requirement of communication system.
Summary of the invention
The utility model provides a kind of balanced feed type broad-band chip integrated waveguide slot array antenna unit that can widen the working band bandwidth, have little, in light weight, the high Q value of volume, low-loss, low cost, the work zone is wide, module gain is high, be easy to integrated microwave and millimeter wave antenna, is suitable for the advantage of microwave and millimeter wave integrated circuit.
The utility model adopts following technical scheme:
A kind of balanced feed type broad-band chip integrated waveguide slot array antenna unit that is used for communication system, comprise dielectric substrate, on the end face of dielectric substrate, be provided with metal patch, on the ground of dielectric substrate, be provided with metal patch, on dielectric substrate, be provided with substrate integration wave-guide, on the metal patch on the end face, be provided with radiating slot, radiating slot is positioned at the interior zone of substrate integration wave-guide and is respectively in the center line both sides of substrate integration wave-guide, two ends at substrate integration wave-guide are respectively equipped with distributing point, above-mentioned substrate integration wave-guide is made of the 2 row metal through holes that are located on the dielectric substrate, and the two ends of this plated-through hole are connected with metal patch and ground metal patch on the end face respectively.
Compared with prior art, the utlity model has following advantage:
The utility model is to have utilized substrate integration wave-guide to have high Q value, low-loss characteristics, has at first realized substrate integration wave-guide on the basis of dielectric substrate.This waveguide work has transmission characteristic and the field distribution similar with the rectangular metal waveguide; Utilize the utility model on thin dielectric substrate, to form the broadside gap array, realized high-gain, the better performance of directivity, wider bandwidth.In the structure of this chip integrated waveguide broad-band slot array antenna, substrate integrated wave guide structure all be utilize beat a series of metal throuth hole array on the dielectric substrate, radiating slot is to realize by the mode of cracking on metal patch, thereby help this antenna integrated in the microwave and millimeter wave circuit design; The realization of antenna performance mainly is to be realized by broadside slit and balanced type feed; The feeding network of aerial array can all be realized by multichannel broad-band chip integrated waveguide power divider, antenna is from substrate integration wave-guide two ends while feed, the balanced feeding broad-band chip integrated waveguide slot array antenna that utilizes this feeding network to form is relatively simple for structure, and loss ratio is less.Concrete advantage is as follows:
1) this balanced feeding broad-band chip integrated waveguide slot array antenna is easy to integrated in the design of microwave and millimeter wave circuit;
2) can have the bandwidth of broad, less size, lighter weight, directivity preferably, higher gain;
3) this balanced feeding broad-band chip integrated waveguide slot array antenna has higher Q value, lower loss.
Description of drawings
Fig. 1 is the utility model structural front view.
Fig. 2 is the utility model structure vertical view.
Fig. 3 is the utility model plated-through hole structural representation.
Fig. 4 is the reflection coefficient test result of the utility model embodiment aerial array.
The E surface radiation directional diagram test result of aerial array when Fig. 5 is the utility model embodiment 10.75GHz and 11.25GHz.
The H surface radiation directional diagram test result of aerial array when Fig. 6 is the utility model embodiment 10.75GHz and 11.25GHz.
Fig. 7 is to be construction unit with the utility model, the structural representation of the balanced feed type broad-band chip integrated waveguide slot array antenna that is combined to form.
Embodiment
A kind of balanced feed type broad-band chip integrated waveguide slot array antenna unit that is used for communication system, comprise dielectric substrate 1, on the end face of dielectric substrate 1, be provided with metal patch 2, on the ground of dielectric substrate 1, be provided with metal patch 3, on dielectric substrate 1, be provided with substrate integration wave-guide 4, on the metal patch on the end face 2, be provided with radiating slot 5, radiating slot 5 is positioned at the interior zone of substrate integration wave-guide 4 and is respectively in the center line both sides of substrate integration wave-guide 4, be respectively equipped with distributing point 61 at the two ends of substrate integration wave-guide 4,62, above-mentioned substrate integration wave-guide 4 is made of the 2 row metal through holes 7 that are located on the dielectric substrate 1, the two ends of this plated-through hole 7 are connected with metal patch 2 and ground metal patch 3 on the end face respectively, in the present embodiment, being positioned at the projection of radiating slot 5 on the center line of substrate integration wave-guide 4 of the center line both sides of substrate integration wave-guide 4 can overlaid.Above-mentioned plated-through hole is to offer through hole on dielectric substrate, metallic sheath 9 is set on through-hole wall and metallic sheath and the metal patch that is overlying on the dielectric substrate bilateral are coupled together.
We have realized the balanced feeding broad-band chip integrated waveguide slot array antenna of above introduction at X-band, the diameter that is used for constituting the integrated waveguide metal through hole of medium is 0.4mm, spacing between the through hole is 0.8mm, the electric relatively dielectric constant of dielectric substrate is 2.4, this antenna is one 16 * 15 a balanced feeding broad-band chip integrated waveguide slot array antenna (as shown in Figure 7), and test result is shown in Fig. 4,5,6.
This antenna H surface radiation directional diagram when 10.75GHz has the 3dB lobe width of 7.35 degree, and its first secondary lobe is-12.15dB.This antenna E surface radiation directional diagram has the 3dB lobe width of 8.35 degree when 11.25GHz, and its first secondary lobe is-11.8dB.This antenna E surface radiation directional diagram has the 3dB lobe width of 8.4 degree when 10.75GHz, and its first secondary lobe is-13.6dB.This antenna E surface radiation directional diagram has the 3dB lobe width of 8.3 degree when 11.25GHz, and its first secondary lobe is-11.8dB.The gain of this antenna is about 24dBi when 11.0GHz.
Claims (2)
1, a kind of balanced feed type broad-band chip integrated waveguide slot array antenna unit that is used for communication system, it is characterized in that comprising dielectric substrate (1), on the end face of dielectric substrate (1), be provided with metal patch (2), on the ground of dielectric substrate (1), be provided with metal patch (3), on dielectric substrate (1), be provided with substrate integration wave-guide (4), on the metal patch on the end face (2), be provided with radiating slot (5), radiating slot (5) is positioned at the interior zone of substrate integration wave-guide (4) and is respectively in the center line both sides of substrate integration wave-guide (4), two ends at substrate integration wave-guide (4) are respectively equipped with distributing point (61,62), above-mentioned substrate integration wave-guide (4) is made of the 2 row metal through holes (7) that are located on the dielectric substrate (1), and the two ends of this plated-through hole (7) are connected with metal patch (2) and ground metal patch (3) on the end face respectively.
2, balanced feed type broad-band chip integrated waveguide slot array antenna according to claim 1 unit, it is characterized in that this antenna has adopted the balanced type feeding classification, there is radiating slot (5) the center line both sides that are positioned at substrate integration wave-guide (4), different slits has different length, they have different distances apart from the substrate integration wave-guide center line, the projection overlaid on the center line of substrate integration wave-guide (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071953 CN2793946Y (en) | 2005-05-30 | 2005-05-30 | Balanced-feeding and waveguiding gap array antenna unit with wideband integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071953 CN2793946Y (en) | 2005-05-30 | 2005-05-30 | Balanced-feeding and waveguiding gap array antenna unit with wideband integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793946Y true CN2793946Y (en) | 2006-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071953 Expired - Fee Related CN2793946Y (en) | 2005-05-30 | 2005-05-30 | Balanced-feeding and waveguiding gap array antenna unit with wideband integration |
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| CN (1) | CN2793946Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384015C (en) * | 2005-05-30 | 2008-04-23 | 东南大学 | Balanced feed type broad-band chip integrated waveguide slot array antenna unit |
| CN101556623B (en) * | 2008-04-09 | 2010-07-21 | 中国科学院微电子研究所 | Method for manufacturing 2 x 2 single-sided double-fin linear array based on square waveguide |
| CN101662076B (en) * | 2008-08-28 | 2012-11-28 | 阮树成 | Millimeter-wave quasi-optical integrated dielectric lens antenna and array thereof |
| CN103474785A (en) * | 2013-09-24 | 2013-12-25 | 哈尔滨工业大学 | Seam-variable large-bandwidth traveling wave seam array antenna with radiation-type load |
| CN103490158A (en) * | 2013-09-24 | 2014-01-01 | 哈尔滨工业大学 | Aperture array antenna based on medium integration ridge waveguide |
| CN109755764A (en) * | 2019-03-20 | 2019-05-14 | 青岛海信移动通信技术股份有限公司 | Millimeter wave multi-polarization antenna and terminal |
| CN112805878A (en) * | 2018-10-10 | 2021-05-14 | 华为技术有限公司 | Broadband vertical polarization end-fire antenna |
-
2005
- 2005-05-30 CN CN 200520071953 patent/CN2793946Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384015C (en) * | 2005-05-30 | 2008-04-23 | 东南大学 | Balanced feed type broad-band chip integrated waveguide slot array antenna unit |
| CN101556623B (en) * | 2008-04-09 | 2010-07-21 | 中国科学院微电子研究所 | Method for manufacturing 2 x 2 single-sided double-fin linear array based on square waveguide |
| CN101662076B (en) * | 2008-08-28 | 2012-11-28 | 阮树成 | Millimeter-wave quasi-optical integrated dielectric lens antenna and array thereof |
| CN103474785A (en) * | 2013-09-24 | 2013-12-25 | 哈尔滨工业大学 | Seam-variable large-bandwidth traveling wave seam array antenna with radiation-type load |
| CN103490158A (en) * | 2013-09-24 | 2014-01-01 | 哈尔滨工业大学 | Aperture array antenna based on medium integration ridge waveguide |
| CN103490158B (en) * | 2013-09-24 | 2015-04-29 | 哈尔滨工业大学 | Aperture array antenna based on medium integration ridge waveguide |
| CN103474785B (en) * | 2013-09-24 | 2015-07-08 | 哈尔滨工业大学 | Seam-variable large-bandwidth traveling wave seam array antenna with radiation-type load |
| CN112805878A (en) * | 2018-10-10 | 2021-05-14 | 华为技术有限公司 | Broadband vertical polarization end-fire antenna |
| CN112805878B (en) * | 2018-10-10 | 2022-05-24 | 华为技术有限公司 | Antenna, wireless device and antenna array |
| CN109755764A (en) * | 2019-03-20 | 2019-05-14 | 青岛海信移动通信技术股份有限公司 | Millimeter wave multi-polarization antenna and terminal |
| CN109755764B (en) * | 2019-03-20 | 2020-12-29 | 青岛海信移动通信技术股份有限公司 | Millimeter wave multi-polarization antenna and terminal |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20110530 |