CN105375105A - Dual-band antenna - Google Patents
Dual-band antenna Download PDFInfo
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- CN105375105A CN105375105A CN201410430502.8A CN201410430502A CN105375105A CN 105375105 A CN105375105 A CN 105375105A CN 201410430502 A CN201410430502 A CN 201410430502A CN 105375105 A CN105375105 A CN 105375105A
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Abstract
The invention discloses a double-band antenna, which belongs to the technical field of antennas. The double-band antenna comprises a first frequency-band antenna and a second frequency-band antenna. The first frequency-band antenna comprises a first radiating patch, a first bottom plate layer and a first feed network. The second frequency-band antenna comprises a second radiating patch, a second bottom plate layer and a second feed network. The first radiating patch and the first bottom plate layer are circular. The second radiating patch and the second bottom plate layer are circular ring-shaped. The first radiating patch is provided with three first feed points. The second frequency-band antenna further comprises a third bottom plate layer and a fourth bottom plate layer. The first frequency-band antenna further comprises a fifth bottom plate layer and a sixth bottom plate layer. The first feed network is installed between the fifth bottom plate layer and the sixth bottom plate layer. The second feed network is installed between the third bottom plate layer and the fourth bottom plate layer. The third bottom plate layer is tightly pressed against one side of the second bottom plate layer. The fifth bottom plate layer is tightly pressed against the fourth bottom plate layer. The second radiating patch, the first bottom plate layer and the second bottom plate layer are disposed concentrically. The first radiating patch and the first bottom plate layer are disposed concentrically.
Description
Technical field
The present invention relates to antenna technical field, particularly a kind of dual-band antenna.
Background technology
Along with global positioning system (GlobalPositioningSystem, be called for short " GPS "), the extensive use of the global position system of the multiple advanced person such as the Big Dipper, the precision adopting global position system to carry out radio position finding radio directional bearing and direction finding more and more comes into one's own.
Utilizing global position system to carry out in the process of radio position finding radio directional bearing and direction finding, the signal receiving global position system is responsible for by antenna, plays very main effect.At present, a circular polarized antenna with stable phase angle center of domestic-developed, adopts the mode of three distributing point corporated feeds to carry out feed, works in S-band, return loss S
11the relative bandwidth covered is about 46.8%, and the relative bandwidth that normal orientation Circular polarization ratio covers is about 23%, and the relative bandwidth that gain covers is about 10%.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Antenna disclosed in prior art is in common phase centre stability, and the relative bandwidth covered due to gain determines B1 and the B3 working frequency range that antenna can not support Big Dipper radio positioning system simultaneously.
Summary of the invention
In order to solve circular polarized antenna in prior art, the problem of B1 and the B3 working frequency range of Big Dipper radio positioning system can not be supported simultaneously, embodiments provide a kind of dual-band antenna in the application scenario that common phase centre stability requirement is higher.Described technical scheme is as follows:
Embodiments provide a kind of dual-band antenna, comprise the first band antenna and the second band antenna, described first band antenna comprises: for being operated in the first radiation patch of Beidou II global position system B1 working frequency range, the first backplane level and the first feeding network;
Described second band antenna comprises: for being operated in the second radiation patch of Beidou II global position system B3 working frequency range, the second backplane level and the second feeding network;
Described first radiation patch and described first backplane level are circular, and described second radiation patch and described second backplane level are annular;
Described first radiation patch is provided with three the first distributing points, the circumference that described three the first distributing point deciles are the center of circle with the center of circle of described first radiation patch, described second radiation patch is provided with three the second distributing points, the circumference that described three the second distributing point deciles are the center of circle with the center of circle of described second radiation patch;
Described second band antenna also comprises the 3rd backplane level and the 4th backplane level, described first band antenna also comprises the 5th backplane level and the 6th backplane level, described first feeding network is arranged between described 5th backplane level and the 6th backplane level, described second feeding network is arranged between described 3rd backplane level and the 4th backplane level, described 3rd backplane level is close in the one side of described second backplane level, and described 5th backplane level is close to described 4th backplane level;
Described second radiation patch and described first backplane level are arranged on the another side of described second backplane level successively, described second radiation patch and described first backplane level are arranged with described second backplane level is concentric, described first radiation patch is arranged on described first backplane level, described first radiation patch is arranged with described first backplane level is concentric, the radius of described first backplane level is greater than the internal diameter of described second backplane level, the internal diameter of described second radiation patch is less than the radius of described first radiation patch, the internal diameter of described second radiation patch is greater than the distance of described first distributing point to described first radiation patch center.
In a kind of execution mode of the embodiment of the present invention, described first backplane level comprises first medium substrate and the first metal floor, and described first medium substrate is attached on described first metal floor, and described first radiation patch is attached on described first medium substrate;
Described second backplane level comprises second medium substrate and the second metal floor, and described second medium substrate is attached on described second metal floor, and described second radiation patch is attached on described second medium substrate.
In a kind of execution mode of the embodiment of the present invention, the thickness of described first medium substrate is h1, and the loss tangent of described first medium substrate is tan α 1, tan α 1 < 0.0028, and the dielectric of described first medium substrate is often ε
r1;
The thickness of described second medium substrate is h2, and h2 > h1, the loss tangent of described second medium substrate is tan α 2, tan α 2 < 0.003, and the dielectric constant of described second medium substrate is ε
r3, and ε
r3< ε
r1.
In the another kind of execution mode of the embodiment of the present invention, described first feeding network comprises: the one one point of three power dividers, described one one point of three power dividers comprise: the first input end mouth be connected with antenna rear end artificial circuit part and three the first output ports, described three the first output ports are connected to three the first distributing points of described first radiation patch respectively, pass through connection between described first input end mouth and described first output port;
Described second feeding network comprises: the 21 point of three power dividers, described 21 point of three power dividers comprise: the second input port be connected with antenna rear end artificial circuit part and three the second output ports, described three the second output ports are connected to three the second distributing points of described second radiation patch respectively, pass through connection between described second input port and described second output port.
In the another kind of execution mode of the embodiment of the present invention, described circuit is strip line.
In the another kind of execution mode of the embodiment of the present invention, the power output of described three the first output ports is identical, and the signal strength signal intensity of described three the first output ports is equal, and the signal phase of described three the first output ports differs 120 ° successively;
The power output of described three the second output ports is identical, and the signal strength signal intensity of described three the second output ports is equal, and the signal phase of described three the second output ports differs 120 ° successively.
In the another kind of execution mode of the embodiment of the present invention, between adjacent two described first output ports, be provided with the first isolation resistance, between adjacent two described second output ports, be provided with the second isolation resistance.
In the another kind of execution mode of the embodiment of the present invention, described first isolation resistance and described second isolation resistance all adopt high frequency pure resistance.
In the another kind of execution mode of the embodiment of the present invention, described dual-band antenna also comprises the first feed pin and the second feed pin,
Described first backplane level is provided with the first through hole, first distributing point of corresponding described first radiation patch of described first through hole is arranged, described first feed pin is through described first through hole, and the two ends of described first feed pin connect the first distributing point of described first radiation patch and described first feeding network respectively;
Described second backplane level is provided with the second through hole, first distributing point of corresponding described second radiation patch of described second through hole is arranged, described second feed pin is through described second through hole, and the two ends of described second feed pin connect the first distributing point of described second radiation patch and described second feeding network respectively.
In the another kind of execution mode of the embodiment of the present invention, the bolt that described first radiation patch is provided with the connecting hole for fixing described first radiation patch, described first backplane level and described second backplane level and is located in described connecting hole, the outer of each described connecting hole is provided with the dielectric layer for isolating described bolt and described first radiation patch.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
First band antenna comprises: for being operated in the first radiation patch of Beidou II global position system B1 working frequency range, the first backplane level and the first feeding network, second band antenna comprises: for being operated in the second radiation patch of Beidou II global position system B3 working frequency range, the second backplane level and the second feeding network, this antenna is made to may be simultaneously operated in Beidou II global position system B1 and B3 frequency range, effective working frequency range coverage is about 25.1%, be greater than effective working frequency range of existing antenna 10%, wherein, first radiation patch and the second radiation patch use circular radiation paster and donut-shaped radiation paster respectively, each radiation patch adopts three distributing points to carry out feed, three distributing points be evenly distributed on the center of circle of described circular radiation paster or ring radiation paster for the center of circle circumferentially, the electric feed signal that three tunnel phase places differ 120 ° is successively synthesized by feeding network, make antenna can motivate the stable circularly polarised wave of phase center, to realize wider impedance operator and right-handed circular polarization axial ratio characteristic, and higher gain characteristic and stable phase center.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the vertical view of the dual-band antenna that the embodiment of the present invention provides;
Fig. 2 is the front view of the dual-band antenna that the embodiment of the present invention provides;
The structural representation of the first feed pin in the dual-band antenna that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the second feed pin in the dual-band antenna that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the first feeding network in the dual-band antenna that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the second feeding network in the dual-band antenna that Fig. 6 provides for the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail, but the embodiment in accompanying drawing does not form any restriction to the embodiment of the present invention.
Embodiment
A kind of dual-band antenna that the embodiment of the present invention provides, as shown in Figure 1-2, comprises the first band antenna and the second band antenna;
Particularly, the first band antenna comprises: for being operated in the first radiation patch 106, first backplane level 105 and the first feeding network 100 of Beidou II global position system B1 working frequency range; Second band antenna comprises: for being operated in the second radiation patch 104, second backplane level 102 and the second feeding network 101 of Beidou II global position system B3 working frequency range.
Particularly, the first radiation patch 106 and the first backplane level 105 are circular, and the second radiation patch 104 and the second backplane level 102 are annular.
Further, first radiation patch 106 is provided with three the first distributing points 108, the circumference that three the first distributing point 108 deciles are the center of circle with the center of circle of the first radiation patch 106, second radiation patch 104 is provided with the circumference that three the second distributing points, 109, three the second distributing point 109 deciles are the center of circle with the center of circle of the second radiation patch 104.
Second band antenna also comprises the 3rd backplane level 201 and the 4th backplane level 202, first band antenna also comprises the 5th backplane level 203 and the 6th backplane level 204, first feeding network 100 is arranged between the 5th backplane level 203 and the 6th backplane level 204, second feeding network 101 is arranged between the 3rd backplane level 201 and the 4th backplane level 202,3rd backplane level 201 is close in the one side of the second backplane level 102, and the 5th backplane level 203 is close to the 4th backplane level 202.
Second radiation patch 104 and the first backplane level 105 are arranged on the another side of the second backplane level 102 successively, second radiation patch 104 and the first backplane level 105 are arranged with the second backplane level 102 is concentric, first radiation patch 106 is arranged on the first backplane level 105, first radiation patch 106 is arranged with the first backplane level 105 is concentric, the radius of the first backplane level 105 is greater than the internal diameter of the second backplane level 102, the internal diameter of the second radiation patch 104 is less than the radius of the first radiation patch 106, the internal diameter of the second radiation patch 104 is greater than the distance at the first distributing point 108 to the first radiation patch 106 center.
Further, the first radiation patch 106 radius is R
1, it is R that three the first distributing points 108 are evenly distributed in radius
2circumferentially, the second radiation patch 104 external diameter is R
3, internal diameter is R
4, wherein, R3 > R1 > R4 > R2.
Further, the one side of above-mentioned 4th backplane level 202 is provided with ground, and the one side of the 5th backplane level 203 is provided with ground, and the one side that the 4th backplane level 202 and the 5th backplane level 203 are provided with ground is close together.Above-mentioned 3rd backplane level the 201 ~ six backplane level 204 disturbs for shielding between the first feeding network 100 and the second feeding network 101.
Particularly, as shown in Figure 1, the shell of the first feeding network 100 and the second feeding network 101 is designed to circular configuration and arranges with one heart with the second backplane level 102, forms cylindrical structural as shown in Figure 2, and connected by fixed part at connecting hole 103 place, this fixed part can be screw.
As shown in Figure 1, in the present embodiment, the number of connecting hole 103 is 6, is evenly distributed on the second backplane level 102, and the quantity of certain connecting hole 103 and position distribution also can have other mode, and the embodiment of the present invention is not as restriction.
Further, the second radiation patch 104, first backplane level 105, first radiation patch 106 and the second backplane level 102 are arranged with one heart, and connecting hole 107 place in the first radiation patch 106 is connected by fixed part, and this fixed part can be screw.
As shown in Figure 1, in the present embodiment, the number of connecting hole 107 is 3, and is evenly distributed in the first radiation patch.The number of certain connecting hole 107 and position distribution also can have other mode, and the embodiment of the present invention is not as restriction.
It should be noted that, the first backplane level 105 comprises first medium substrate and the first metal floor, and first medium substrate is attached on the first metal floor, and the first radiation patch 106 is attached on first medium substrate; Second backplane level 102 comprises second medium substrate and the second metal floor, and second medium substrate is attached on the second metal floor, and the second radiation patch 104 is attached on second medium substrate.Wherein, the thickness of medium substrate needs according to design and determines, and the thickness of metal floor is general very thin.
In the present embodiment, the thickness of first medium substrate is h1, and the loss tangent of first medium substrate is tan α 1, tan α 1 < 0.0028, the loss tangent tan α 1 of first medium substrate should be little as far as possible, and the dielectric constant of first medium substrate is ε
r1.
The thickness of second medium substrate is h2, and h2 > h1, the loss tangent of second medium substrate is tan α 2, tan α 2 < 0.003, the loss tangent tan α 2 of second medium substrate should be little as far as possible, and the dielectric constant of second medium substrate is ε
r3, and ε
r3< ε
r1.By above-mentioned first medium substrate and second medium substrate parameter designing first medium substrate and second medium substrate, to meet the demand that it works in B1 and B3 two-band.Wherein, h1 can elect 3mm as, and h2 can elect 6mm as.In addition, above-mentioned tan α 1 and tan α 2 is all greater than 0.
Further, the first medium substrate in the first backplane level 105 and the first metal floor are circular configuration.It is TM that first band antenna is operated in main mould
11, centre frequency is f
b1=1.561GHz, belongs to Beidou II global position system B1 working frequency range.Second medium substrate in second backplane level 102 and the second metal floor are cirque structure.It is TM that second band antenna is operated in main mould
11mould, centre frequency is f
b3=1.268GHz, belongs to Beidou II global position system B3 working frequency range.It should be noted that, the physical size of the reality of the first radiation patch 106 and the second radiation patch 104, Circular microstrip patch design experiences formula can be used, calculate in conjunction with its edge effect, first radiation patch 106 and the second radiation patch 104 adopt back feed type feeding classification feed simultaneously, can be simulated the position of distributing point by Transmission line method more accurately.Particularly, relevant parameter can be obtained by analogue simulation, does not repeat at this.
See Fig. 5-6, first feeding network 100 comprises: the one one point of three power dividers, one one point of three power dividers comprise: the first input end mouth 401 be connected with antenna rear end artificial circuit part and three the first output ports 400, three the first output ports 400 are connected to three the first distributing points 108 of the first radiation patch 106 respectively, pass through connection between first input end mouth 401 and three the first output ports 400.
Second feeding network 101 comprises: the 21 point of three power dividers, 21 point of three power dividers comprise: the second input port 501 be connected with antenna rear end artificial circuit part and three the second output ports 500, three the second output ports 500 are connected to respectively between three the second distributing point 109, second input ports 501 of the second radiation patch 104 and three the second output ports 500 and pass through connection.
Particularly, the one one point of three power dividers and the 21 point of three power dividers can be Wilkinson power divider.
Further, as shown in Figure 5, the circuit in the one one point of three power dividers is the first strip line 403, and as shown in Figure 6, the circuit in the 21 point of three power dividers is the second strip line 503.Particularly, by regulating the width of strip line can adjusting circuit impedance, by regulating the length of strip line, the difference of the electrical length of each circuit can be realized, and then realize the phase difference of the signal of telecommunication in each circuit.
Particularly, in embodiments of the present invention, the impedance of the first strip line 403 and the second strip line 503 is 50 Ω, in the one one point of three power dividers, different by the length of strip line between three the first output ports 400,1/3 wavelength at frequency place centered by the electrical length difference making signal between each output port 400; In the 21 point of three power dividers, different by the length of strip line between three the second output ports 500,1/3 wavelength at frequency place centered by the electrical length difference making signal between each output port 500.
Further, the power output of three the first output ports 400 of the one one point of three power dividers is identical, and the signal strength signal intensity of three the first output ports 400 is equal, and the signal phase of three the first output ports 400 differs 120 ° successively; The power output of three the second output ports 500 of the 21 point of three power dividers is identical, and the signal strength signal intensity of three the second output ports 500 is equal, and the signal phase of three the second output ports 500 differs 120 ° successively.
Further, between adjacent two the first output ports 400, be provided with the first isolation resistance 402, between adjacent two the second output ports 500, be provided with the second isolation resistance 502.
Particularly, the first isolation resistance 402 and the second isolation resistance 502 all adopt high frequency pure resistance.Wherein, the resistance of the first isolation resistance 402 and the second isolation resistance 502 is all 100 Ω, make to divide the 3 road signals that signal strength signal intensity in three power dividers (comprising the one one point of three power dividers and the second power divider) is equal, phase difference is 120 ° to realize without differential mode transmission at isolation resistance two ends one by one same, not consumed power.
Further, as shown in Figure 3-4, dual-band antenna also comprises the first feed pin 301 and the second feed pin 302.
Particularly, first backplane level 105 is provided with the first through hole, first distributing point 108 of corresponding first radiation patch 106 of the first through hole is arranged, first feed pin 301 is through the first through hole, and the two ends of the first feed pin 301 connect the first distributing point 108 and the first feeding network 100 of the first radiation patch 106 respectively.
Second backplane level 102 is provided with the second through hole, second distributing point 109 of corresponding second radiation patch 104 of the second through hole is arranged, second feed pin 302 is through the second through hole, and the two ends of the second feed pin 302 connect the second distributing point 109 and the second feeding network 101 of the second radiation patch 104 respectively.
Further, in order to realize the connection of above-mentioned feed pin, also correspondingly on above-mentioned 3rd backplane level the 201 ~ six backplane level 204 be provided with through hole.
It should be noted that, because antenna size is little, and required precision is high, therefore the interference between signal should be reduced as far as possible, therefore at feed pin 301 outside design one deck gauze screen 3011, at feed pin 302 outside design one deck gauze screen 3021, form the structure of coaxial cable, effectively avoid the interference between signal, in embodiments of the present invention, because the first backplane level 105 and the second backplane level 102 all adopt the higher material of dielectric constant to be prepared from, the electromagnetic energy of the first feed pin 301 radiation therefore also effectively can be shielded on the impact of other parts.
Further, as shown in Figure 2, the bolt that first radiation patch 106 is provided with three connecting holes 107 for fixing the first radiation patch 106, first backplane level 105 and the second backplane level 102 and is located in connecting hole 107, is provided with the dielectric layer for isolating bolt and the first radiation patch 106 in the outer of each connecting hole 107.Particularly, because bolt can be metal material, bolt and the first radiation patch 106 directly contact and can impact its performance, use dielectric layer bolt and the first radiation patch 106 to be isolated and are conducive to ensureing its performance and stability.
The embodiment of the present invention is by using double-deck radiation patch pattern, make antenna can work in two frequency ranges simultaneously, effective working frequency range coverage is about 25.1%, be greater than effective working frequency range of existing antenna 10%, use circular radiation paster and donut-shaped radiation paster simultaneously, effectively can improve the relative bandwidth of antenna, three distributing points are adopted to carry out feed, three distributing points be evenly distributed on the center of circle of circular radiation paster or ring radiation paster for the center of circle circumferentially, make antenna can motivate the stable circularly polarised wave of phase center, determine the thickness of medium substrate, loss angle, dielectric constant, first paster, the size of the second paster, the position of distributing point, the first band antenna is made to work in Beidou II global position system B1 working frequency range, second band antenna works in Beidou II global position system B3 working frequency range.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a dual-band antenna, comprises the first band antenna and the second band antenna, it is characterized in that,
Described first band antenna comprises: for being operated in the first radiation patch of Beidou II global position system B1 working frequency range, the first backplane level and the first feeding network;
Described second band antenna comprises: for being operated in the second radiation patch of Beidou II global position system B3 working frequency range, the second backplane level and the second feeding network;
Described first radiation patch and described first backplane level are circular, and described second radiation patch and described second backplane level are annular;
Described first radiation patch is provided with three the first distributing points, the circumference that described three the first distributing point deciles are the center of circle with the center of circle of described first radiation patch, described second radiation patch is provided with three the second distributing points, the circumference that described three the second distributing point deciles are the center of circle with the center of circle of described second radiation patch;
Described second band antenna also comprises the 3rd backplane level and the 4th backplane level, described first band antenna also comprises the 5th backplane level and the 6th backplane level, described first feeding network is arranged between described 5th backplane level and the 6th backplane level, described second feeding network is arranged between described 3rd backplane level and the 4th backplane level, described 3rd backplane level is close in the one side of described second backplane level, and described 5th backplane level is close to described 4th backplane level;
Described second radiation patch and described first backplane level are arranged on the another side of described second backplane level successively, described second radiation patch and described first backplane level are arranged with described second backplane level is concentric, described first radiation patch is arranged on described first backplane level, described first radiation patch is arranged with described first backplane level is concentric, the radius of described first backplane level is greater than the internal diameter of described second backplane level, the internal diameter of described second radiation patch is less than the radius of described first radiation patch, the internal diameter of described second radiation patch is greater than the distance of described first distributing point to described first radiation patch center.
2. dual-band antenna according to claim 1, is characterized in that,
Described first backplane level comprises first medium substrate and the first metal floor, and described first medium substrate is attached on described first metal floor, and described first radiation patch is attached on described first medium substrate;
Described second backplane level comprises second medium substrate and the second metal floor, and described second medium substrate is attached on described second metal floor, and described second radiation patch is attached on described second medium substrate.
3. dual-band antenna according to claim 2, is characterized in that,
The thickness of described first medium substrate is h1, and the loss tangent of described first medium substrate is tan α 1, tan α 1 < 0.0028, and the dielectric of described first medium substrate is often ε
r1;
The thickness of described second medium substrate is h2, and h2 > h1, the loss tangent of described second medium substrate is tan α 2, tan α 2 < 0.003, and the dielectric constant of described second medium substrate is ε
r3, and ε
r3< ε
r1.
4. dual-band antenna according to claim 1, it is characterized in that, described first feeding network comprises: the one one point of three power dividers, described one one point of three power dividers comprise: the first input end mouth be connected with antenna rear end artificial circuit part and three the first output ports, described three the first output ports are connected to three the first distributing points of described first radiation patch respectively, pass through connection between described first input end mouth and described first output port;
Described second feeding network comprises: the 21 point of three power dividers, described 21 point of three power dividers comprise: the second input port be connected with antenna rear end artificial circuit part and three the second output ports, described three the second output ports are connected to three the second distributing points of described second radiation patch respectively, pass through connection between described second input port and described second output port.
5. dual-band antenna according to claim 4, is characterized in that, described circuit is strip line.
6. the dual-band antenna according to claim 4 or 5, it is characterized in that, the power output of described three the first output ports is identical, and the signal strength signal intensity of described three the first output ports is equal, and the signal phase of described three the first output ports differs 120 ° successively;
The power output of described three the second output ports is identical, and the signal strength signal intensity of described three the second output ports is equal, and the signal phase of described three the second output ports differs 120 ° successively.
7. dual-band antenna according to claim 6, is characterized in that,
Be provided with the first isolation resistance between adjacent two described first output ports, between adjacent two described second output ports, be provided with the second isolation resistance.
8. dual-band antenna according to claim 7, is characterized in that, described first isolation resistance and described second isolation resistance all adopt high frequency pure resistance.
9. the dual-band antenna according to any one of claim 1-5, is characterized in that, described dual-band antenna also comprises the first feed pin and the second feed pin,
Described first backplane level is provided with the first through hole, first distributing point of corresponding described first radiation patch of described first through hole is arranged, described first feed pin is through described first through hole, and the two ends of described first feed pin connect the first distributing point of described first radiation patch and described first feeding network respectively;
Described second backplane level is provided with the second through hole, second distributing point of corresponding described second radiation patch of described second through hole is arranged, described second feed pin is through described second through hole, and the two ends of described second feed pin connect the second distributing point of described second radiation patch and described second feeding network respectively.
10. dual-band antenna according to claim 9, is characterized in that,
The bolt that described first radiation patch is provided with the connecting hole for fixing described first radiation patch, described first backplane level and described second backplane level and is located in described connecting hole, the outer of each described connecting hole is provided with the dielectric layer for isolating described bolt and described first radiation patch.
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| WO2019174332A1 (en) * | 2018-03-15 | 2019-09-19 | 华为技术有限公司 | Antenna and communication apparatus |
| CN112993560A (en) * | 2021-04-20 | 2021-06-18 | 成都天锐星通科技有限公司 | Antenna structure and phased array antenna |
| CN117458162A (en) * | 2023-11-03 | 2024-01-26 | 宁波吉品科技有限公司 | Caliber switching module of 5G phased array antenna |
| CN117458162B (en) * | 2023-11-03 | 2024-05-07 | 宁波吉品科技有限公司 | Caliber switching module of 5G phased array antenna |
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| WO2019174332A1 (en) * | 2018-03-15 | 2019-09-19 | 华为技术有限公司 | Antenna and communication apparatus |
| US11309639B2 (en) | 2018-03-15 | 2022-04-19 | Huawei Technologies Co., Ltd. | Antenna and communications apparatus |
| US11784417B2 (en) | 2018-03-15 | 2023-10-10 | Huawei Technologies Co., Ltd. | Antenna and communications apparatus |
| CN112993560A (en) * | 2021-04-20 | 2021-06-18 | 成都天锐星通科技有限公司 | Antenna structure and phased array antenna |
| CN112993560B (en) * | 2021-04-20 | 2021-08-06 | 成都天锐星通科技有限公司 | Antenna structure and phased array antenna |
| CN117458162A (en) * | 2023-11-03 | 2024-01-26 | 宁波吉品科技有限公司 | Caliber switching module of 5G phased array antenna |
| CN117458162B (en) * | 2023-11-03 | 2024-05-07 | 宁波吉品科技有限公司 | Caliber switching module of 5G phased array antenna |
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