CN202662788U - Stair-shaped ultra-wideband micro-strip antenna with single band stop - Google Patents
Stair-shaped ultra-wideband micro-strip antenna with single band stop Download PDFInfo
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- CN202662788U CN202662788U CN 201220255792 CN201220255792U CN202662788U CN 202662788 U CN202662788 U CN 202662788U CN 201220255792 CN201220255792 CN 201220255792 CN 201220255792 U CN201220255792 U CN 201220255792U CN 202662788 U CN202662788 U CN 202662788U
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Abstract
The utility model discloses a stair-shaped ultra-wideband micro-strip antenna with single band stop. The stair-shaped ultra-wideband micro-strip antenna comprises a micro-strip substrate, an inverted-stair-shaped radiation patch, an impedance matching input micro-strip line and a rectangular metal grounding plate, wherein the inverted-stair-shaped radiation patch and the impedance matching input micro-strip line are arranged on the upper surface of the micro-strip substrate, the bottom end of the inverted-stair-shaped radiation patch is connected with one end of the impedance matching input micro-strip line, and the other end of the impedance matching input micro-strip line is connected with the bottom end of the micro-strip substrate; and the rectangular metal grounding plate is arranged on the lower surface of the micro-strip substrate, and the bottom end of the rectangular metal grounding plate is connected with the bottom end of the micro-strip substrate. The stair-shaped ultra-wideband micro-strip antenna disclosed by the utility model has a stable radiation characteristic in a a working frequency band, and is low in loss and cost, simple in structure and easy to produce.
Description
Technical field
The utility model relates to antenna, relates in particular to a kind of stairstepping list band resistance ultra-wideband microstrip antenna.
Technical background
The ultra-wideband antenna technology has obtained people as the important component part of ultra-wideband communication system and has more and more paid attention to.According to the regulation of U.S. FCC in 2002 and the suggestion of IEEE 802.15.3a in 2004, the frequency range of ultra-wideband communications is defined as 3.1-10.6GHz.
Because the frequency band that ultra-wideband communications covers is wider, some frequency band and other wireless system band sharing resource might cause interference to other system, such as Wimax system (3.2-3.5GHz) and wlan system (5.2-5.9GHz).Design has the ultra-wideband antenna of stopband characteristic, makes antenna form stopband characteristic in the working frequency range of Wimax system and wlan system.It is slotted on radiant body designing this most frequently used method with ultra-wideband antenna of stopband characteristic, thereby its principle is to change antenna at the CURRENT DISTRIBUTION change stopband characteristic of corresponding band by choosing suitable slit, and on the not impact of other frequency range.This section designs first ultra-wideband monopole antenna, then by slotted method, obtains to have the ultra-wideband antenna of single band resistance characteristic and the ultra-wideband antenna with biobelt resistance characteristic.
Summary of the invention
The utility model provides a kind of stairstepping list band resistance ultra-wideband microstrip antenna in order to overcome the deficiency that prior art is narrow at the WLAN (wireless local area network) midband, loss is large.
In order to achieve the above object, the technical solution of the utility model is as follows:
Stairstepping list band resistance ultra-wideband microstrip antenna comprises little belt substrate, inverted steps shape radiation patch, impedance matching input microstrip line and rectangular metal ground plate; Little belt substrate upper surface is provided with inverted steps shape radiation patch and impedance matching input microstrip line, and the bottom of inverted steps shape radiation patch links to each other with impedance matching input microstrip line one end, and the other end of impedance matching input microstrip line links to each other with the bottom of little belt substrate; Little belt substrate lower surface is provided with the rectangular metal ground plate, and the bottom of rectangular metal ground plate links to each other with the bottom of little belt substrate.
Described little belt substrate is the FR4 material.The length of described little belt substrate is 27mm～30mm, and wide is 31mm～33mm.The upper base of described inverted steps shape radiation patch is long to be 14mm～16mm, the long 10mm～13mm that is that goes to the bottom, and the wide of the first ladder is 10mm～12mm, and the wide of the second ladder is 1mm～2mm, and the wide of the 3rd ladder is 0.5mm～1mm.Described impedance matching input microstrip line adopts feed microstrip line to be connected with inverted steps shape radiation patch, and characteristic impedance is 50 Ω.The width of described impedance matching input microstrip line is 3mm～3.5mm.The length of described rectangular metal ground plate is 27mm～30mm, and wide is 12mm～14mm.
Have stable radiation characteristic in the utility model working band, loss is low, cost is low, and is simple in structure, be easy to make.
Description of drawings
Fig. 1 is the structure chart in stairstepping list band resistance ultra-wideband microstrip antenna front;
Fig. 2 is the structure chart at the stairstepping list band resistance ultra-wideband microstrip antenna back side;
Fig. 3 is stairstepping list band resistance ultra-wideband microstrip antenna insertion loss curve chart;
Fig. 4 is the antenna pattern of stairstepping list band resistance ultra-wideband microstrip antenna when 3 GHz;
Fig. 5 is the antenna pattern of stairstepping list band resistance ultra-wideband microstrip antenna when 5.8GHz;
Fig. 6 is the antenna pattern of stairstepping list band resistance ultra-wideband microstrip antenna when 11GHz.
Embodiment
Stairstepping list band resistance ultra-wideband microstrip antenna comprises little belt substrate 1, inverted steps shape radiation patch 2, impedance matching input microstrip line 3 and rectangular metal ground plate 4; Little belt substrate 1 upper surface is provided with inverted steps shape radiation patch 2 and impedance matching input microstrip line 3, the bottom of inverted steps shape radiation patch 2 links to each other with impedance matching input microstrip line 3 one ends, and the other end of impedance matching input microstrip line 3 links to each other with the bottom of little belt substrate 1; Little belt substrate 1 lower surface is provided with rectangular metal ground plate 4, and the bottom of rectangular metal ground plate 4 links to each other with the bottom of little belt substrate 1.
Described little belt substrate 1 is the FR4 material.The length of described little belt substrate 1 is 27mm～30mm, and wide is 31mm～33mm.The upper base of described inverted steps shape radiation patch 2 is long to be 14mm～16mm, the long 10mm～13mm that is that goes to the bottom, and the wide of the first ladder is 10mm～12mm, and the wide of the second ladder is 1mm～2mm, and the wide of the 3rd ladder is 0.5mm～1mm.Described impedance matching input microstrip line 3 adopts feed microstrip line to be connected with inverted steps shape radiation patch 2, and characteristic impedance is 50 Ω.The width of described impedance matching input microstrip line 3 is 3mm～3.5mm.The length of described rectangular metal ground plate 2 is 27mm～30mm, and wide is 12mm～14mm.
Stairstepping list band resistance ultra-wideband microstrip antenna:
Selecting dielectric constant is that 4.4 FR4 material is made little belt substrate, and thickness is 1.6 mm.The length of little belt substrate is 28mm, and wide is 32mm.The upper base of described inverted steps shape radiation patch 2 is long to be 15mm, the long 12mm that is that goes to the bottom, and the wide of the first ladder is 12mm, and the wide of the second ladder is 1.5mm, and the wide of the 3rd ladder is 1mm.Impedance matching input microstrip line adopts feed microstrip line to be connected with circular radiation patch, and characteristic impedance is 50 Ω.The width of impedance matching input microstrip line is 3.2mm.The length of rectangular metal ground plate is 28mm, and wide is 13mm.Use software the radiation characteristics such as the insertion loss curve of round ultra-wideband microstrip antenna and gain to be carried out insertion loss curve such as Fig. 3 of the round ultra-wideband microstrip antenna of simulated measurement gained.As seen from Figure 3, insertion loss fully can the whole frequency range of covering ultra wideband less than-10dB in 2.99 ~ 12.06GHz scope.Fig. 4-Figure 6 shows that stairstepping list band hinders respectively antenna pattern and the antenna pattern when 3GHz, 5.8GHz, 11 GHz of ultra-wideband microstrip antenna, gain when frequency is 3GHz is 2.7dBi, the half power lobe width is 85.7 °, gain when frequency is 5.8GHz is 3.5dBi, the half power lobe width is 74.8 °, gain when frequency is 11GHz is 3.6dBi, and the half power lobe width is 148.4 °.
Claims (7)
1. a stairstepping list band resistance ultra-wideband microstrip antenna is characterized in that comprising little belt substrate (1), inverted steps shape radiation patch (2), impedance matching input microstrip line (3) and rectangular metal ground plate (4); Little belt substrate (1) upper surface is provided with inverted steps shape radiation patch (2) and impedance matching input microstrip line (3), the bottom of inverted steps shape radiation patch (2) links to each other with impedance matching input microstrip line (3) one ends, and the other end of impedance matching input microstrip line (3) links to each other with the bottom of little belt substrate (1); Little belt substrate (1) lower surface is provided with rectangular metal ground plate (4), and the bottom of rectangular metal ground plate (4) links to each other with the bottom of little belt substrate (1).
2. a kind of stairstepping list band resistance ultra-wideband microstrip antenna as claimed in claim 1 is characterized in that described little belt substrate (1) is the FR4 material.
3. a kind of stairstepping list band as claimed in claim 1 hinders ultra-wideband microstrip antenna, and the length that it is characterized in that described little belt substrate (1) is 27mm～30mm, and wide is 31mm～33mm.
4. a kind of stairstepping list band as claimed in claim 1 hinders ultra-wideband microstrip antenna, long 14mm～the 16mm of being of upper base that it is characterized in that described inverted steps shape radiation patch (2), long 10mm～the 13mm that is goes to the bottom, the wide of the first ladder is 10mm～12mm, the wide of the second ladder is 1mm～2mm, and the wide of the 3rd ladder is 0.5mm～1mm.
5. a kind of stairstepping list band resistance ultra-wideband microstrip antenna as claimed in claim 1 is characterized in that described impedance matching input microstrip line (3) and inverted steps shape radiation patch (2) adopt feed microstrip line to be connected, and characteristic impedance is 50 Ω.
6. a kind of stairstepping list band resistance ultra-wideband microstrip antenna as claimed in claim 1 is characterized in that the width of described impedance matching input microstrip line (3) is 3mm～3.5mm.
7. a kind of stairstepping list band as claimed in claim 1 hinders ultra-wideband microstrip antenna, and the length that it is characterized in that described rectangular metal ground plate (4) is 27mm～30mm, and wide is 12mm～14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255792 CN202662788U (en) | 2012-06-01 | 2012-06-01 | Stair-shaped ultra-wideband micro-strip antenna with single band stop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255792 CN202662788U (en) | 2012-06-01 | 2012-06-01 | Stair-shaped ultra-wideband micro-strip antenna with single band stop |
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| CN202662788U true CN202662788U (en) | 2013-01-09 |
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| CN 201220255792 Expired - Fee Related CN202662788U (en) | 2012-06-01 | 2012-06-01 | Stair-shaped ultra-wideband micro-strip antenna with single band stop |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943953A (en) * | 2014-03-26 | 2014-07-23 | 中国科学院长春光学精密机械与物理研究所 | Small L-T branch knot double-belt-resistance plane ultra-wide-band antenna |
| CN105762516A (en) * | 2016-03-07 | 2016-07-13 | 深圳市共进电子股份有限公司 | Broadband antenna |
| CN106876924A (en) * | 2015-12-10 | 2017-06-20 | 哈尔滨黑石科技有限公司 | A kind of UWB antennas based on defect ground structure |
| CN107093792A (en) * | 2017-04-07 | 2017-08-25 | 深圳市景程信息科技有限公司 | Axe shape bimodulus monopole antenna |
| CN107181051A (en) * | 2017-04-07 | 2017-09-19 | 深圳市景程信息科技有限公司 | The high isolation dual polarized wide frequency antenna of restructural |
| CN110474161A (en) * | 2019-09-29 | 2019-11-19 | 集美大学 | A kind of ultra-wideband antenna of gap loaded microstrip structure |
| CN113809529A (en) * | 2021-08-03 | 2021-12-17 | 北京邮电大学 | Dual-band impedance matching microstrip antenna and antenna array |
| CN114709608A (en) * | 2022-04-13 | 2022-07-05 | 河北工业大学 | Novel ultra-wideband planar monopole antenna |
-
2012
- 2012-06-01 CN CN 201220255792 patent/CN202662788U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943953A (en) * | 2014-03-26 | 2014-07-23 | 中国科学院长春光学精密机械与物理研究所 | Small L-T branch knot double-belt-resistance plane ultra-wide-band antenna |
| CN103943953B (en) * | 2014-03-26 | 2016-04-27 | 中国科学院长春光学精密机械与物理研究所 | Small-sized L-T minor matters biobelt resistance plane ultra-wideband antenna |
| CN106876924A (en) * | 2015-12-10 | 2017-06-20 | 哈尔滨黑石科技有限公司 | A kind of UWB antennas based on defect ground structure |
| CN105762516A (en) * | 2016-03-07 | 2016-07-13 | 深圳市共进电子股份有限公司 | Broadband antenna |
| CN107093792A (en) * | 2017-04-07 | 2017-08-25 | 深圳市景程信息科技有限公司 | Axe shape bimodulus monopole antenna |
| CN107181051A (en) * | 2017-04-07 | 2017-09-19 | 深圳市景程信息科技有限公司 | The high isolation dual polarized wide frequency antenna of restructural |
| CN110474161A (en) * | 2019-09-29 | 2019-11-19 | 集美大学 | A kind of ultra-wideband antenna of gap loaded microstrip structure |
| CN113809529A (en) * | 2021-08-03 | 2021-12-17 | 北京邮电大学 | Dual-band impedance matching microstrip antenna and antenna array |
| CN114709608A (en) * | 2022-04-13 | 2022-07-05 | 河北工业大学 | Novel ultra-wideband planar monopole antenna |
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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: 20130109 Termination date: 20130601 |