CN107591614A - A kind of high-gain omni-directional array antenna - Google Patents
A kind of high-gain omni-directional array antenna Download PDFInfo
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- CN107591614A CN107591614A CN201710708719.4A CN201710708719A CN107591614A CN 107591614 A CN107591614 A CN 107591614A CN 201710708719 A CN201710708719 A CN 201710708719A CN 107591614 A CN107591614 A CN 107591614A
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Abstract
The invention provides a kind of high-gain omni-directional array antenna, includes a substrate, is disposed with the substrate：Coupling line is fed, connects feed；N number of dual frequency radiation unit, along the length direction array of the feed coupling line；Each dual frequency radiation unit includes the first high frequency radiating element and low frequency radiating element；N the second high frequency radiating elements, second high frequency radiating element is provided with behind each dual frequency radiation unit；The feed coupling line is the dual frequency radiation unit, the second high frequency radiating element feed；N number of first high frequency radiating element, n the second high frequency radiating element composition high frequency radiation arrays, N number of low frequency radiating element form low frequency radiation array.The present invention can realize the high-gain in 2.4GHz and 5GHz two-bands simultaneously, can support 802.11n while be operated in two frequency ranges of 2.4GHz and 5GHz, can greatly improve 802.11n actual speed rate.
Description
Technical field
The present invention relates to antenna and communication technique field, and in particular to a kind of high-gain omni-directional array antenna.
Background technology
With the popularization of wireless mobile communications in the world, people believe for wirelessly obtaining whenever and wherever possible
The demand of breath is also more and more urgent.WiFi technology has gradually obtained extensive cognition and accreditation by the advantage of itself, either
Enterprise commerce or family life amusement have all embodied the demand growing day by day to its, and WiFi technology, which illustrates, greatly should
With value and good development prospect.
Because WiFi is independent of wired backbone physically, thus its transmission rate not as wired network it is stable, easily
By frequency interferences, and then significantly reduce transmission rate.In addition, though WiFi transmission rate is higher and relative, it is desirable to
Overhead it is also higher, can so reduce nearly half applies layer bandwidth, can also significantly affect speed.Radio wave is passing
It when defeated, can be disturbed by similar frequency range electric wave, while in transmitting procedure, it is existing also to have refraction, reflection, diffraction etc. unavoidably
As when meeting the stronger barrier of screening ability, or even the situation that signal can not penetrate occurring, having a strong impact on transmission quality.
By the 802.11n to grow up on 802.11g and 802.11a, it is maximum the characteristics of be speed lifting, theoretical speed
Rate reaches as high as 600Mbps.And the antenna that 802.11n is simultaneously operable in two frequency ranges of 2.4GHz and 5GHz is supported to only have at present
The dual-band antenna of low gain, the single-band antenna that can only support 802.11g and 802.11a of high-gain.Support 2.4GHz simultaneously
Do not occur also with 5GHz High-gain dual-frequencies omni-directional array antenna, this is also the great reason for influenceing 802.11n actual speed rates.
The content of the invention
For existing WiFi antennas, 802.11n is not supported to be simultaneously operable in the day of two frequency ranges of 2.4GHz and 5GHz
Line only has the technical problem of the dual-band antenna of high-gain at present, the invention provides a kind of high-gain omni-directional array antenna, including
There is a substrate, be disposed with the substrate：
Coupling line is fed, connects feed；
N number of dual frequency radiation unit, along the length direction array of the feed coupling line；Each dual frequency radiation unit includes
There are the first high frequency radiating element and low frequency radiating element；
N the second high frequency radiating elements, second high frequency radiation is provided with behind each dual frequency radiation unit
Unit；
The feed coupling line is the dual frequency radiation unit, the second high frequency radiating element feed；N number of first high frequency radiation
Unit, n the second high frequency radiating element composition high frequency radiation arrays, N number of low frequency radiating element form low frequency radiation array.
It is preferred that the feed coupling line is arranged on the front of the substrate, the dual frequency radiation unit, the second high frequency spoke
Penetrate the reverse side that unit is arranged on the substrate；
And between the dual frequency radiation unit and ground, between the dual frequency radiation unit and second high frequency radiating element
It is connected by microstrip line；Realize and feed between the microstrip line and the feed coupling line.
It is preferred that the dual frequency radiation unit includes two symmetrically arranged first electromagenetic wave radiation bodies, two first electricity
Electromagnetic wave radiation body phase pair and it is connected respectively with the microstrip line of both sides；
The first electromagenetic wave radiation body includes first radiant section being connected with the microstrip line end vertical, institute
State and two the second radiant sections parallel to the microstrip line are connected with the first radiant section, two second radiant sections are on described
Microstrip line is symmetrical, and extends to away from the side of another first electromagenetic wave radiation body；In the two first electromagenetic wave radiation bodies
First radiant section, the second radiant section together constitute the low frequency radiating element.
It is preferred that two the 3rd radiant sections parallel to the microstrip line are also associated with first radiant section, two
3rd radiant section is symmetrical on the microstrip line, and extends to away from the side of another first electromagenetic wave radiation body；
3rd radiant section is between second radiant section and the microstrip line, the 3rd radiant section
It is shorter than second radiant section；First radiant section, the 3rd radiant section in the two first electromagenetic wave radiation bodies
Together constitute first high frequency radiating element.
It is preferred that second high frequency radiating element includes two symmetrically arranged second electromagenetic wave radiation bodies, two
Two electromagenetic wave radiation body phases pair and it is connected respectively with the microstrip line of both sides；
The second electromagenetic wave radiation body includes the 4th radiant section being connected with the microstrip line end vertical, described
Two the 5th radiant sections parallel to the microstrip line are also associated with 4th radiant section,
Two the 5th radiant sections are symmetrical on the microstrip line, and prolong to away from the side of another second electromagenetic wave radiation body
Stretch；The 4th radiant section, the 5th radiant section in the two second electromagenetic wave radiation bodies together constitute described second
High frequency radiating element.
It is preferred that the equal length of the 5th radiant section and the 3rd radiant section.
It is preferred that it there also is provided multiple tuners on the feed coupling line.
It is preferred that being provided with earthing or grounding means on one end of the substrate, the dual frequency radiation unit of head end passes through micro-strip
Line connects the earthing or grounding means.
It is preferred that double frequency choke is additionally provided with one end of the earthing or grounding means on the substrate,
It is preferred that the double frequency choke includes：
Low frequency choke, includes two the first chokes portions parallel to the microstrip line, and two first chokes portion one end connect
The earthing or grounding means is connect, and two first chokes portions are symmetrical on the microstrip line；
High frequency choke device, includes two the second chokes portions parallel to the microstrip line, and two second chokes portion one end connect
The earthing or grounding means is connect, and two second chokes portions are symmetrical on the microstrip line；
Between the first chokes portion and the microstrip line, the second chokes portion is shorter than institute in the second chokes portion
State the first chokes portion.
The present invention is allowed to compared with prior art, have the following advantages that and actively imitate due to using above technical scheme
Fruit：
1st, high-gain omni-directional array antenna provided by the invention, dual frequency radiation unit are the spoke that low-and high-frequency radiating element shares
Unit is penetrated, by carrying out arrangement as above to multiple dual frequency radiation units, the second radiating element so that the antenna can be simultaneously real
The high-gain of present 2.4GHz and 5GHz two-bands, can support 802.11n while be operated in two frequency ranges of .4GHz and 5GHz, can
To greatly improve 802.11n actual speed rate；Specifically, multiple low frequency radiating elements form low frequency radiation array in the present invention,
For supporting 2.4GHz frequency ranges；Radiated between multiple first high frequency radiating elements now set with low frequency radiating element with position
Wavelength is long, and in order to normal radiation, the present invention has additional second high frequency behind each first high frequency radiating element
Radiating element, so that multiple first high frequency radiating elements, the second high frequency radiating element composition high frequency radiation array are used for branch
Hold 5GHz frequency ranges；
2nd, cooperation of the present invention by feeding coupling line and microstrip line is realized to dual frequency radiation unit, the second high frequency radiation list
Member uniform feed, the feeding classification of relatively existing staggered form, shorten each dual frequency radiation unit, the second high frequency radiating element it
Between obtain energy gap, so as to be advantageous to the phase due to taking into account height frequency range.
Brief description of the drawings
With reference to accompanying drawing, by hereafter state detailed description, can be more clearly understood that the present invention above-mentioned and other feature and
Advantage, wherein：
Fig. 1 is the front schematic view of high-gain omni-directional array antenna provided by the invention；
Fig. 2 is the schematic rear view of the high-gain omni-directional array antenna provided in the present invention；
Fig. 3 is the standing-wave ratio schematic diagram of high-gain omni-directional array antenna provided by the invention；
Fig. 4 is the efficiency schematic diagram of high-gain omni-directional array antenna provided by the invention；
Fig. 5 is the gain schematic diagram of high-gain omni-directional array antenna provided by the invention；
Fig. 6 is vertical plane radiation patterns of the high-gain omni-directional array antenna provided by the invention in 2.4GHz frequency ranges；
Fig. 7 is vertical plane radiation patterns of the high-gain omni-directional array antenna provided by the invention in 5GHz frequency ranges；
Fig. 8 is horizontal plane radiation pattern of the high-gain omni-directional array antenna provided by the invention in 2.4GHz frequency ranges；
Fig. 9 is horizontal plane radiation pattern of the high-gain omni-directional array antenna provided by the invention in 5GHz frequency ranges.
Embodiment
Referring to the accompanying drawing for showing the embodiment of the present invention, the present invention is described in more detail.However, the present invention can be with
Many multi-forms are realized, and should not be construed as being limited by the embodiment herein proposed.On the contrary, propose that these embodiments are
In order to reach abundant and complete disclosure, and those skilled in the art are made to understand the scope of the present invention completely.These are attached
In figure, for clarity, the size and relative size in layer and region may be exaggerated.
Reference picture 1-2, the invention provides a kind of high-gain omni-directional array antenna, including a substrate 1, it is provided with substrate
Feed coupling line 2, N number of dual frequency radiation unit, n the second high frequency radiating element；N number of dual frequency radiation unit edge feed coupling line 2
Length direction array；Each dual frequency radiation unit includes the first high frequency radiating element and low frequency radiating element；It is each double
One second high frequency radiating element is provided with behind radio-frequency radiation unit；Feed coupling line 2 is dual frequency radiation unit, the second high frequency
Radiating element realizes feed；N number of first high frequency radiating element, n the second high frequency radiating element composition high frequency radiation arrays, it is N number of
Low frequency radiating element forms low frequency radiation array.
High-gain omni-directional array antenna provided by the invention, dual frequency radiation unit are the radiation that low-and high-frequency radiating element shares
Unit, by carrying out arrangement as above to multiple dual frequency radiation units, the second radiating element simultaneously so that the antenna can be realized
In the high-gain of 2.4GHz and 5GHz two-bands, 802.11n can be supported while be operated in two frequency ranges of .4GHz and 5GHz, can be with
Greatly improve 802.11n actual speed rate；Specifically, multiple low frequency radiating elements form low frequency radiation array in the present invention, use
In support 2.4GHz frequency ranges；Radiated wave between multiple first high frequency radiating elements now set with low frequency radiating element with position
Length is long, and in order to normal radiation, the present invention has additional a second high frequency spoke behind each first high frequency radiating element
Unit is penetrated, so that multiple first high frequency radiating elements, the second high frequency radiating element composition high frequency radiation array are used to support
5GHz frequency ranges.
Meanwhile the present invention realizes the high-gain of antenna, so as to improve penetration power, communication distance is farther, and high efficiency reduces
Transmission power.
In the present embodiment, two dual frequency radiation units and two the second high frequency radiating elements are provided with substrate 1, below
Illustrated as example；Certainly, dual frequency radiation unit, the second high frequency radiating element setting number can be according to specific feelings
Condition is set, and number of unit is more, and gain is higher, be not limited herein；For example, substrate 1 also can only be provided with a double frequency spoke
Unit and second high frequency radiating element are penetrated, may also set up three dual frequency radiation units and three the second high frequency radiation lists
Member, by that analogy, N=n=1,2,3,4,5 ....
In the present embodiment, it is in a rectangular strip that substrate 1 is overall, the concretely pcb board of substrate 1.
In the present embodiment, feed coupling line 2 is arranged on the front of substrate 1, dual frequency radiation unit, the second high frequency radiation list
Member is arranged on the reverse side of substrate 1, is connected between dual frequency radiation unit and the second high frequency radiating element by microstrip line 21,22,23,
Microstrip line 20,24 is also associated with the dual frequency radiation unit of array, the second high frequency radiating element both ends, dual frequency radiation unit passes through
Microstrip line 20 is grounded (purpose that microstrip line 24 is set is suitable 20 earthing position of acquisition).Microstrip line 20,21,22,23,24 with
Feed coupling is first 2 relative, and feed is realized in coupling, microstrip line 20,21,22,23,24 again with dual frequency radiation unit, the second high frequency spoke
Unit connection is penetrated, it is achieved thereby that to dual frequency radiation unit, the feed of the second high frequency radiating element.
Cooperation of the present invention by feeding coupling line 2 and microstrip line 20,21,22,23,24 realize to dual frequency radiation unit,
The uniform feed of second high frequency radiating element, the feeding classification of relatively existing staggered form, reduce each dual frequency radiation units of le, the
The difference of amplitude and phase is obtained between two high frequency radiating elements, so as to be advantageous to the phase due to taking into account height frequency range, and then
Reach or (preferable state should be the same phase of constant amplitude, unit step one with the optimum efficiency of phase close to each radiating element constant amplitude
Resonance effect is optimal during cause, better closer to this state).
Certainly, in other embodiments, the feeding classification of each radiating element is not limited to, described above, also can basis
Concrete condition is adjusted, and is not herein limited.
Reference picture 2, in the present embodiment, dual frequency radiation unit include two symmetrically arranged first electromagenetic wave radiations
Body, two first electromagenetic wave radiation body phases pair and is connected with the microstrip line of both sides respectively.Second high frequency radiating element includes two
Symmetrically arranged second electromagenetic wave radiation body, two second electromagenetic wave radiation body phases pair and is connected with the microstrip line of both sides respectively.
First electromagenetic wave radiation body includes first irradiation unit being connected with microstrip line (20,21,22,23) end vertical
Point, two the second radiant sections (8 and 9,14 and 15) parallel to microstrip line, two second irradiation units are connected with the first radiant section
It is point symmetrical on microstrip line, and extend to away from the side of another first electromagenetic wave radiation body；Each pair the first electromagenetic wave radiation body
In the first radiant section, the second radiant section together constitute low frequency radiating element.Specifically, the second radiant section 8, second
Radiant section 9 forms a low frequency radiating element, and the second radiant section 14, the second radiant section 15 form another low frequency radiation list
Member, two low frequency radiating elements together constitute a low frequency radiation array, and it is vertical can be effectively compressed low frequency (2.4GHz frequency ranges)
The main lobe of surface radiation directional diagram, so as to be advantageous to heighten gain of the antenna in low-frequency range, as shown in Figure 6.
Be also associated with first radiant section two parallel to microstrip line (20,21,22,23) the 3rd radiant section (10 with
11st, 16 and 17), two the 3rd radiant sections are symmetrical on microstrip line, and prolong to away from the side of another first electromagenetic wave radiation body
Stretch；For 3rd radiant section between the second radiant section and microstrip line, the 3rd radiant section is shorter than the second radiant section；Each pair
The first radiant section, the 3rd radiant section in first electromagenetic wave radiation body together constitute the first high frequency radiating element.Specifically
, the 3rd radiant section 10, the 3rd radiant section 11 form one first high frequency radiating element, the 3rd radiant section 16, the 3rd spoke
Penetrate part 17 and form another first high frequency radiating element.
Second electromagenetic wave radiation body includes the 4th irradiation unit being connected with microstrip line (21,22,23,24) end vertical
Point, two the 5th radiant sections (12 and 13,18 and 19) parallel to microstrip line, two the 5th spokes are also associated with the 4th radiant section
It is symmetrical on microstrip line to penetrate part, and extend to away from the side of another second electromagenetic wave radiation body；Each pair the second electromagnetism amplitude
The 4th radiant section, the 5th radiant section in beam together constitute second high frequency radiating element.Specifically, the 5th spoke
Penetrate part 12, the 5th radiant section 13 forms one second high frequency radiation part, the 5th radiant section 18, the structure of the 5th radiant section 19
Into another second high frequency radiation part.Two the first high frequency radiation parts, two the second high frequency radiation parts together constitute one
High frequency radio-frequency radiation array, the main lobe of high frequency (5GHz frequency ranges) vertical plane radiation patterns can be effectively compressed, so as to be advantageous to adjust
High antenna high band gain, as shown in Figure 7.
Wherein, the equal length of the 5th radiant section and the 3rd radiant section, in order to the first high frequency radiation part and the
Two high frequency radiation parts form high frequency radiation array.
Wherein, close to the second radiant section 8, the second radiant section 9 of earth terminal, it is provided with towards the end of ground connection side
The kink extended to microstrip line 20.The setting of kink, it is while ensureing that the second radiant section meets size requirement, again
Avoid the interference with double frequency choke.
Certainly, in other embodiments, the structure type of dual frequency radiation unit and the second high frequency radiation part is not limited to
In described above, it can as the case may be adjusted, not be limited herein.
In the present embodiment, feed coupling line 2 on there also is provided multiple tuners (3,4), for match transmitter with
Impedance between antenna, so as to improve the standing-wave ratio of antenna and efficiency.The wherein set location of tuner and setting quantity can
It is adjusted, is not herein limited as the case may be.Such as with reference to Fig. 1-2, between adjacent radiation unit or in spoke
Penetrate the middle of unit and tuner 3 is set, the end of feed coupling line 2 is provided with tuner 4.
In the present embodiment, earthing or grounding means 5 is provided with one end of substrate 1, the dual frequency radiation unit of head end passes through micro-strip
Line connecting earthing device.Double frequency choke is additionally provided with one end of earthing or grounding means on substrate 1, to the high band of return
Effectively controlled with the surface current of low-frequency range, improve efficiency and the gain of antenna.
Specifically, double frequency choke includes low frequency choke and high frequency choke device；Low frequency choke includes
There are two the first chokes portions 6 parallel to microstrip line 20, one end connecting earthing device 5 of two first chokes portion 6, two first chokes portions 6
It is symmetrical on microstrip line 20.
High frequency choke device includes two the second chokes portions 7 parallel to microstrip line, and the one end of two second chokes portion 7 connects
Ground device 5, two second chokes portions 7 are symmetrical on microstrip line 20.
Between the first chokes portion 6 and microstrip line 20, the second chokes portion 7 is shorter than first chokes in the second chokes portion 7
Portion 6.First chokes portion 6 with the 3rd radiant section (10 and 11,16 and 17) of low frequency radiating element, positioned at same straight line, use
In the electric current for controlling low-frequency range return；The second radiant section (8,9,14,15) of=the second chokes portion 7 and high frequency radiating element,
5th radiant section (12,13,18,19) is located at same straight line, for controlling the electric current of high band return.
Fig. 3 is referred again to, is the standing-wave ratio schematic diagram of high-gain omni-directional array antenna provided by the invention, by that can be seen in figure
Go out, matched well with system impedance in operating frequency range internal antenna, antenna can effectively be operated that (return loss is very
It is small).
Refer again to Fig. 4, the efficiency schematic diagram of high-gain omni-directional array antenna provided by the invention, as can be seen from Figure,
In operating frequency range, antenna efficiency is high, antenna energy efficiency operation (return loss and thermal losses all very littles).
Fig. 5 is referred again to, is the gain schematic diagram of high-gain omni-directional array antenna provided by the invention, by that can be seen in figure
Go out, in operating frequency range, antenna gain is high, and antenna communication distance is remote, and penetration capacity is strong.
Refer again to Fig. 6, be high-gain omni-directional array antenna provided by the invention in the vertical plane radiation side of 2.4GHz frequency ranges
Xiang Tu, as can be seen from Figure, in 2.4GHz operating frequency ranges, antenna is in vertical plane radiation overlay area.
Refer again to Fig. 7, be high-gain omni-directional array antenna provided by the invention in the vertical plane radiation direction of 5GHz frequency ranges
Figure, as can be seen from Figure, in 5GHz operating frequency ranges, antenna is in vertical plane radiation overlay area.
Refer again to Fig. 8, be high-gain omni-directional array antenna provided by the invention in the horizontal plane radiation side of 2.4GHz frequency ranges
Xiang Tu, as can be seen from Figure, in 2.4GHz operating frequency ranges, antenna is in horizontal plane radiation overlay area.
Refer again to Fig. 9, be high-gain omni-directional array antenna provided by the invention in the horizontal plane radiation direction of 5GHz frequency ranges
Figure, as can be seen from Figure, in 5GHz operating frequency ranges, antenna is in horizontal plane radiation overlay area.
Those skilled in the art should be understood that the present invention can be implemented without departing from it with many other concrete forms
The spirit or scope of itself.Although have been described for the case study on implementation of the present invention, it should be understood that the present invention should not be limited to these implementations
Example, those skilled in the art can be as made change within the spirit and scope of the present invention that appended claims define
And modification.
Claims (10)
1. a kind of high-gain omni-directional array antenna, it is characterised in that include a substrate, be disposed with the substrate：
Coupling line is fed, connects feed；
N number of dual frequency radiation unit, along the length direction array of the feed coupling line；Each dual frequency radiation unit includes the
One high frequency radiating element and low frequency radiating element；
N the second high frequency radiating elements, second high frequency radiating element is provided with behind each dual frequency radiation unit；
The feed coupling line is the dual frequency radiation unit, the second high frequency radiating element feed；N number of first high frequency radiation list
Member, n the second high frequency radiating element composition high frequency radiation arrays, N number of low frequency radiating element form low frequency radiation array.
2. high-gain omni-directional array antenna according to claim 1, it is characterised in that the feed coupling line is arranged on institute
The front of substrate is stated, the dual frequency radiation unit, the second high frequency radiating element are arranged on the reverse side of the substrate；
And lead between the dual frequency radiation unit and ground, between the dual frequency radiation unit and second high frequency radiating element
Microstrip line is crossed to be connected；(coupling) feed is realized between the microstrip line and the feed coupling line.
3. high-gain omni-directional array antenna according to claim 2, it is characterised in that the dual frequency radiation unit includes
Two symmetrically arranged first electromagenetic wave radiation bodies, respectively two first electromagenetic wave radiation body phases pair and the microstrip line phase with both sides
Even；
The first electromagenetic wave radiation body includes first radiant section being connected with the microstrip line end vertical, and described
Two the second radiant sections parallel to the microstrip line are connected with one radiant section, two second radiant sections are on the micro-strip
Line is symmetrical, and extends to away from the side of another first electromagenetic wave radiation body；It is described in the two first electromagenetic wave radiation bodies
First radiant section, the second radiant section together constitute the low frequency radiating element.
4. high-gain omni-directional array antenna according to claim 3, it is characterised in that also connect on first radiant section
Two the 3rd radiant sections parallel to the microstrip line are connected to, two the 3rd radiant sections are symmetrical on the microstrip line, and support or oppose
Side from another first electromagenetic wave radiation body extends；
Between second radiant section and the microstrip line, the 3rd radiant section is shorter than 3rd radiant section
Second radiant section；First radiant section, the 3rd radiant section in the two first electromagenetic wave radiation bodies is common
Constitute first high frequency radiating element.
5. high-gain omni-directional array antenna according to claim 4, it is characterised in that the second high frequency radiating element bag
Two symmetrically arranged second electromagenetic wave radiation bodies, respectively two second electromagenetic wave radiation body phases pair and the microstrip line with both sides are included
It is connected；
The second electromagenetic wave radiation body includes the 4th radiant section being connected with the microstrip line end vertical, and the described 4th
Two the 5th radiant sections parallel to the microstrip line are also associated with radiant section,
Two the 5th radiant sections are symmetrical on the microstrip line, and extend to away from the side of another second electromagenetic wave radiation body；
The 4th radiant section, the 5th radiant section in the two second electromagenetic wave radiation bodies together constitute second high frequency
Radiating element.
6. high-gain omni-directional array antenna according to claim 5, it is characterised in that the 5th radiant section with it is described
The equal length of 3rd radiant section.
7. high-gain omni-directional array antenna according to claim 1 or 2, it is characterised in that on the feed coupling line also
It is disposed with multiple tuners.
8. high-gain omni-directional array antenna according to claim 2, it is characterised in that be provided with one end of the substrate
Earthing or grounding means, the dual frequency radiation unit of head end connect the earthing or grounding means by microstrip line.
9. high-gain omni-directional array antenna according to claim 8, it is characterised in that be located at the ground connection on the substrate
Double frequency choke is additionally provided with one end of device.
10. high-gain omni-directional array antenna according to claim 8, it is characterised in that the double frequency choke includes
Have：
Low frequency choke, include two the first chokes portions parallel to the microstrip line, two first chokes portion one end connection institute
Earthing or grounding means is stated, and two first chokes portions are symmetrical on the microstrip line；
High frequency choke device, include two the second chokes portions parallel to the microstrip line, two second chokes portion one end connection institute
Earthing or grounding means is stated, and two second chokes portions are symmetrical on the microstrip line；
Between the first chokes portion and the microstrip line, the second chokes portion is shorter than described in the second chokes portion
One chokes portion.
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| CN201710708719.4A CN107591614B (en) | 2017-08-17 | 2017-08-17 | High-gain omnidirectional array antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018511A (en) * | 2020-08-13 | 2020-12-01 | 安徽精卓光显技术有限责任公司 | Car networking antenna and wireless communication device |
| CN112993575A (en) * | 2021-02-07 | 2021-06-18 | 深圳市南斗星科技有限公司 | WiFi omnidirectional antenna |
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| CN112993575B (en) * | 2021-02-07 | 2024-04-09 | 深圳市南斗星科技有限公司 | WiFi omnidirectional antenna |
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| Publication number | Publication date |
|---|---|
| CN107591614B (en) | 2020-10-27 |
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