CN202930554U - Coplanar-waveguide ultra-wideband antenna having trapping characteristic - Google Patents
Coplanar-waveguide ultra-wideband antenna having trapping characteristic Download PDFInfo
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- CN202930554U CN202930554U CN 201220656726 CN201220656726U CN202930554U CN 202930554 U CN202930554 U CN 202930554U CN 201220656726 CN201220656726 CN 201220656726 CN 201220656726 U CN201220656726 U CN 201220656726U CN 202930554 U CN202930554 U CN 202930554U
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- planar waveguide
- coplanar
- ground plane
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- 239000000758 substrate Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
Disclosed in the utility model is a coplanar-waveguide ultra-wideband antenna having a trapping characteristic. The antenna comprises a dielectric substrate (1), a radiation unit (2), a coplanar-waveguide signal feed strip line (4), a coplanar-waveguide ground plane (5), an SIR-DGS structure groove (3) arranged on the radiation unit, and U-shaped grooves (6) arranged on the coplanar-waveguide ground plane. The radiation unit, the coplanar-waveguide signal feed strip line and the coplanar-waveguide ground plane are printed on the upper surface of the dielectric substrate; the coplanar-waveguide signal feed strip line is led to the radiation unit from the edge of the dielectric substrate and is connected with the radiation unit; and the coplanar-waveguide ground plane is formed by two pieces of step-like metals that are respectively arranged at two sides of the coplanar-waveguide signal feed strip line, wherein gaps exist between the coplanar-waveguide ground plane and the strip line. According to the utility model, the provided antenna has advantages of compact structure and small and exquisite size. The trapping frequency can be adjusted by changing the sizes and the positions of the SIR-DGS structure groove and the U-shaped grooves, thereby solving the problem of the cofrequency interference of the ultra-wideband communication system.
Description
Technical field
The utility model relates to a kind of antenna, is specifically related to a kind of co-planar waveguide ultra-wideband antenna with trap characteristic.
Background technology
Since FCC (Federal Communications Commission) allows 3.1---since the commercialization of 10.6GHz frequency range, super-broadband tech has obtained paying close attention to more widely at academic and commercial field.Do not need to hole and be easy to integrated coplanar waveguide structure and make rapid progress, and this structure can be made by camera technique, and polarization characteristic is preferably arranged, so this technology has been applied in the design of the design of ultra-wideband antenna and relevant microwave circuit components and parts.
Therefore yet the frequency band that present ultra-wideband communications is shared and WLAN (wireless local area network) have shared part, need the antenna of design to reduce to WLAN (wireless local area network) and bring interference, and the ultra-wideband antenna that design has two trap characteristics becomes the focus of present research.If do not have suitable design to suppress harmonic resonance and parasitic emission, antenna will produce electromagnetic interference near equipment, jeopardize the normal operation of the system of system itself and vicinity, particularly the LAN system of present use be caused interference.Add filter and be the method for the solution problems that the most often uses, but tend to cause antenna and microwave circuit not to mate, even reduce the overall efficiency of system, therefore designing the co-planar waveguide ultra-wideband antenna with trap characteristic is one of important method of head it off, solves simultaneously the structure of present antenna and the problem of technique more complicated.
Description
The purpose of this utility model is to provide a kind of simple in structure, volume is small and exquisite, the ultra-wideband antenna with trap characteristic of broader bandwidth, this antenna can use on the military equipment such as electronics investigation, electronic countermeasures and civil equipment, reduces WiMAX(3.3 ~ 3.6GHz), WLAN(5.15 ~ 5.825GHz) and RFID(6.8GHz) the frequency range interference of communicating by letter.
Technical scheme described in the utility model is:
A kind of novel co-planar waveguide ultra-wideband antenna with trap characteristic, it is characterized in that: comprise medium substrate, radiating element, co-planar waveguide signal feed band line, the co-planar waveguide ground plane, described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane are printed on the medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, coplanar waveguide feeder line is guided radiating element into and is connected with it from the medium substrate edge, and two co-planar waveguide ground planes are individually fixed in coplanar wave guide feedback band line both sides and gapped with the band line.
Described co-planar waveguide ultra-wideband antenna with trap characteristic is characterized in that: open two U-lags on described co-planar waveguide ground plane.
Described co-planar waveguide ultra-wideband antenna with trap characteristic is characterized in that: described co-planar waveguide ground plane is made of two class trapezium structure metals.
Described co-planar waveguide ultra-wideband antenna with two trap characteristics is characterized in that: open the SIR-DGS structure grooves on described radiating element.
Described co-planar waveguide ultra-wideband antenna with two trap characteristics is characterized in that: described radiating element is the rectangular configuration of removing two angles.
Beneficial effect:
(1) the utility model antenna single layer printed circuit plate technique can realize, simple and compact for structure, volume is small and exquisite, and is easy to process, and cost is low.
(2) described in the utility model on radiating element etching SIR-DGS structure grooves, etching U-lag on the co-planar waveguide ground plane by three trap frequencies of adjusted size of regulating tank, is realized ultra-wideband communications and disturbs mutually the compatible communication for coordination of communication system.
(3) antenna structure described in the utility model is simple, technical maturity, and automaticity is high, is convenient to batch production and low production cost.
(4) the designed antenna of the utility model adopts co-planar waveguide, is printed on the medium substrate the same face, is conducive to microwave integrated circuit integrated.
(5) the utility model etching groove on radiating element and ground plane, the design of having saved filter reduces the complexity of design cost and system, improves simultaneously the overall performance of system, has also dwindled overall volume.
(6) the utlity model has good impedance bandwidth and trap characteristic, simple and compact for structure, therefore greatly increased its scope of application.
(7) the related antenna of the utility model can improve according to the actual requirements voluntarily, and distance between size, co-planar waveguide ground plane and the radiating element of radiating element, groove size etc. are set, and improves the performance of antenna.
Description of drawings
Fig. 1 is vertical view of the present utility model;
Fig. 2 is end view of the present utility model;
Fig. 3 is front view of the present utility model;
Fig. 4 is the stationary wave characteristic curve of embodiment 1;
Fig. 5 is the equivalent-circuit model figure of radiation source.
Embodiment
Embodiment 1:
As shown in Figure 1, co-planar waveguide ultra-wideband antenna with trap characteristic, its composition comprises: medium substrate (1), radiating element (2), open SIR-DGS structure grooves (3) on radiating element, co-planar waveguide signal feed band line (4), co-planar waveguide ground plane (5) is opened U-shaped groove (6) on the co-planar waveguide ground plane.Described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane are printed on the medium substrate upper surface; Described radiating element is positioned at the middle part of medium substrate, and coplanar wave guide feedback band line is guided radiating element into and is connected with it from the medium substrate edge; The co-planar waveguide ground plane is made of two trapezoidal metals, is individually fixed in coplanar wave guide feedback band line both sides and gapped with the band line; The SIR-DGS structure grooves is opened on radiating element, and U-lag is opened on medium substrate.
Described medium substrate is the polytetrafluoroethylene material, and thickness 1.6mm, relative dielectric constant are 4.4.
Described co-planar waveguide ground plane is made of two trapezium structures.
Open U-lag on described co-planar waveguide ground plane.
Described coplanar wave guide feedback band line characteristic impedance 50 Ω, live width 3.8mm.
Described radiating element is rectangular configuration and the fluting that removes two angles.
Described notching construction is to open the SIR-DGS structure grooves on radiating element.
Fig. 4 is the stationary wave characteristic curve of embodiment 1, as shown in Figure 4, antenna is respectively at wireless lan (wlan), the access of broadband intercommunication microwave (WiMAX) and three trap wave points of RFID band setting, thereby make the ultra-wideband communication devices of antenna can be with to disturb mutually communication system compatible, communication for coordination.
Embodiment 2:
The described co-planar waveguide ultra-wideband antenna with trap characteristic of embodiment 1 saves the U-lag of opening in embodiment 1 on the co-planar waveguide ground plane, just forms the ultra-wideband antenna with two trap wave points.Certainly, in the situation that do not deviate from the utility model essence, the utility model can also have a variety of embodiment.
The lower end of the antenna co-planar waveguide signal feed band line (3) that embodiment 1 is connected with embodiment is connected with the SMA inner wire.The outer conductor of SMA ground roll together connects the ground connection.According to structure shown in Figure 1, as long as select suitable size, just can satisfy its ultra broadband operating characteristic and trap characteristic.
Claims (5)
1. novel co-planar waveguide ultra-wideband antenna with trap characteristic, it is characterized in that: comprise medium substrate, radiating element, co-planar waveguide signal feed band line, the co-planar waveguide ground plane, described radiating element, co-planar waveguide signal feed band line, co-planar waveguide ground plane are printed on the medium substrate upper surface, described radiating element is positioned at the middle part of medium substrate, coplanar waveguide feeder line is guided radiating element into and is connected with it from the medium substrate edge, and two co-planar waveguide ground planes are individually fixed in coplanar wave guide feedback band line both sides and gapped with the band line.
2. the co-planar waveguide ultra-wideband antenna with trap characteristic according to claim 1, is characterized in that: open two U-lags on described co-planar waveguide ground plane.
3. the co-planar waveguide ultra-wideband antenna with trap characteristic according to claim 1, it is characterized in that: described co-planar waveguide ground plane is made of two class trapezium structure metals.
4. the co-planar waveguide ultra-wideband antenna with two trap characteristics according to claim 1, is characterized in that: open the SIR-DGS structure grooves on described radiating element.
5. the co-planar waveguide ultra-wideband antenna with two trap characteristics according to claim 1, it is characterized in that: described radiating element is the rectangular configuration of removing two angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656726 CN202930554U (en) | 2012-12-04 | 2012-12-04 | Coplanar-waveguide ultra-wideband antenna having trapping characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656726 CN202930554U (en) | 2012-12-04 | 2012-12-04 | Coplanar-waveguide ultra-wideband antenna having trapping characteristic |
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| Publication Number | Publication Date |
|---|---|
| CN202930554U true CN202930554U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220656726 Expired - Fee Related CN202930554U (en) | 2012-12-04 | 2012-12-04 | Coplanar-waveguide ultra-wideband antenna having trapping characteristic |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500881A (en) * | 2013-10-15 | 2014-01-08 | 中国计量学院 | Tri-band antenna with double semicircular slots in back surface |
| CN103855466A (en) * | 2014-03-25 | 2014-06-11 | 电子科技大学 | Three-stopband ultra wideband antenna with narrow notch bandwidth |
| CN104022357A (en) * | 2014-05-20 | 2014-09-03 | 广东工业大学 | Multiband ultra-wideband antenna |
| CN104319479A (en) * | 2014-10-16 | 2015-01-28 | 电子科技大学 | Miniaturized ultra-wideband MIMO antenna based on metamaterial |
| CN104953273A (en) * | 2015-07-17 | 2015-09-30 | 云南大学 | Small-sized coplanar waveguide fed ultra-wide band antenna |
| CN105071030A (en) * | 2015-07-17 | 2015-11-18 | 安徽建筑大学 | Defected ground structure (DGS) asymmetrical coplanar waveguide type tri-band antenna |
| CN113764862A (en) * | 2021-09-03 | 2021-12-07 | 北京有竹居网络技术有限公司 | Antennas and Wearables |
| CN116581536A (en) * | 2023-07-12 | 2023-08-11 | 南京隼眼电子科技有限公司 | Antenna and electronic equipment |
-
2012
- 2012-12-04 CN CN 201220656726 patent/CN202930554U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500881A (en) * | 2013-10-15 | 2014-01-08 | 中国计量学院 | Tri-band antenna with double semicircular slots in back surface |
| CN103855466A (en) * | 2014-03-25 | 2014-06-11 | 电子科技大学 | Three-stopband ultra wideband antenna with narrow notch bandwidth |
| CN104022357A (en) * | 2014-05-20 | 2014-09-03 | 广东工业大学 | Multiband ultra-wideband antenna |
| CN104319479B (en) * | 2014-10-16 | 2017-07-11 | 电子科技大学 | A kind of miniature ultra wide band mimo antenna based on metamaterial |
| CN104319479A (en) * | 2014-10-16 | 2015-01-28 | 电子科技大学 | Miniaturized ultra-wideband MIMO antenna based on metamaterial |
| CN104953273A (en) * | 2015-07-17 | 2015-09-30 | 云南大学 | Small-sized coplanar waveguide fed ultra-wide band antenna |
| CN105071030A (en) * | 2015-07-17 | 2015-11-18 | 安徽建筑大学 | Defected ground structure (DGS) asymmetrical coplanar waveguide type tri-band antenna |
| CN104953273B (en) * | 2015-07-17 | 2017-10-10 | 云南大学 | One kind miniaturization coplanar wave guide feedback ultra-wideband antenna |
| CN105071030B (en) * | 2015-07-17 | 2017-12-26 | 安徽建筑大学 | The frequency-band antenna of defect ground structure asymmetry co-planar waveguide formula three |
| CN113764862A (en) * | 2021-09-03 | 2021-12-07 | 北京有竹居网络技术有限公司 | Antennas and Wearables |
| CN113764862B (en) * | 2021-09-03 | 2024-03-01 | 北京有竹居网络技术有限公司 | Antenna and wearable device |
| CN116581536A (en) * | 2023-07-12 | 2023-08-11 | 南京隼眼电子科技有限公司 | Antenna and electronic equipment |
| CN116581536B (en) * | 2023-07-12 | 2024-04-26 | 南京隼眼电子科技有限公司 | Antenna and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130508 Termination date: 20131204 |