CN206225546U - With the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties - Google Patents
With the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties Download PDFInfo
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- CN206225546U CN206225546U CN201621050200.9U CN201621050200U CN206225546U CN 206225546 U CN206225546 U CN 206225546U CN 201621050200 U CN201621050200 U CN 201621050200U CN 206225546 U CN206225546 U CN 206225546U
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Abstract
The utility model discloses a kind of with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties, including the 3rd medium substrate 1c, the earth plate 5 below the 3rd medium substrate 1c and the first coaxial line 3a and the second coaxial line 3b between the 3rd medium substrate 1c and the earth plate 5 and for supporting the first supporting plate 4a and the second supporting plate 4b of the 3rd medium substrate 1c, the symmetrical first medium substrate 1a and second medium substrate 1b being obliquely installed positioned at the 3rd medium substrate 1c tops left and right sides.The utility model uses difference coplanar wave guide feedback form, using a pair long dipoles and a pair of short dipoles, it is on 54 degree of medium substrate by the way that they are printed on two angles of inclination, realize impedance bandwidth wide, and antenna pattern is very stable in whole frequency band range, particularly with good common-mode rejection properties.
Description
Technical field
The utility model is related to differential broadband antenna for base station technical field, and in particular to one kind have stablize lobe width and
The broadband multiple current dipoles antenna of common-mode rejection properties.
Background technology
With continuing to develop for telecommunication technology, the working frequency range of different wireless communication systems is different, such as 2G works
Make in 1710-1920MHZ frequency ranges, 3G is operated in 1880-2170MHZ frequency ranges, and 4G 2300-2400MHZ, 2570-
2690MHZ frequency ranges.In order to meet the demand of different communication systems simultaneously, antenna for base station must simultaneously cover 1710-2690MHZ frequently
Section.Additionally, also more and more stronger to the miniaturization of radio-frequency devices, high integration demand without letter communication system.Currently, radio circuit
Mostly using differential technique come transmission signal, most radio frequency front-end devices can be directly integrated on transponder chip.
But used as the important devices of RF front-end circuit, most of antennas are but designed to one port devices, it is impossible to directly and difference
Device is integrated, and needs that differential antennae is additionally converted to single port signal feed antenna again using balun.The use one of balun
Aspect increased the quantity of individual devices, so as to increased load, on the other hand can cause loss, and making the performance of antenna reduces.
Antenna is changed to by dual-port form by single port form using the antenna of differential feed, directly the two of differential signal feed antenna
Individual port, without separately adding balun.Differential antennae can be directly integrated with difference channel, it is not necessary to uses balun, and
The also natural characteristic with common mode inhibition, so both improves antenna performance, and load is alleviated again.
2013, Qing-Xin Chu, Yu Luo were in " IEEE TRANSACTIONS ON ANTENNAS AND
PROPAGATION " delivers entitled " A Broadband Unidirectional Multi-Dipole Antenna WithVery
In the article of Stable Beamwidth ", using traditional single port antenna design method, using feed microstrip line mode, lead to
Cross and inclined at two to print a pair long dipoles and a pair of short dipoles on 50 degree of medium sides, realize impedance bandwidth wide with
Stabilising direction figure.But because the antenna is not differential feed, so directly can not be connected with radio circuit, thus also without common mode
Rejection characteristic.
2015, Qing-Xin Chu, Yu Luo were in " IEEE TRANSACTIONS ON ANTENNAS AND
PROPAGATION " delivers entitled " Oriental Crown-Shaped Differentially Fed Dual-Polarized
In the article of Multidipole Antenna ", using two differential feed ports, ultrabroad band dual polarization is realized, with tradition
Single port antenna compare, the differential antennae realizes good antenna pattern and good gain in whole frequency band.
In modern base station antenna, bandwidth very wide is not only needed, and need stable antenna pattern, so as to energy
Signal uniform fold in cellular networks is realized in broadband.
Utility model content
The purpose of this utility model is to overcome traditional single port base station antenna radiation to be unable to suppression common mode and base station
Antenna is not easy to the connected technological deficiency of radio circuit, there is provided a kind of with the broadband for stablizing lobe width and common-mode rejection properties
Difference multiple current dipoles antenna, it has impedance bandwidth wide, stabilization lobe width, good common-mode rejection properties, disclosure satisfy that small
Type, low cost, requirement easily integrated with difference channel.
The purpose of this utility model can be reached by adopting the following technical scheme that：
It is a kind of with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties, including the 3rd medium
Substrate 1c, the earth plate 5 below the 3rd medium substrate 1c and connect with described positioned at the 3rd medium substrate 1c
The first coaxial line 3a and the second coaxial line 3b between floor 5 and for supporting the first of the 3rd medium substrate 1c to support
Plate 4a and the second supporting plate 4b, the symmetrical first medium being obliquely installed positioned at the 3rd medium substrate 1c tops left and right sides
Substrate 1a and second medium substrate 1b；
The downside of the first medium substrate 1a is provided with the first coplanar stripline 7a, the first dipole 8a long and
The downside of one short dipole 9a, the second medium substrate 1b be provided with the second coplanar stripline 7, the second dipole 8b long with
And the second short dipole 9b；The downside of the 3rd medium substrate 1c is provided with the 3rd coplanar stripline 7c, the first metallic plate
12a, the second metallic plate 12b, the upper side of the 3rd medium substrate 1c are provided with microstrip line 11；
Wherein, the described first dipole 8a long, the second dipole 8b long, the first short dipole 9a, described
The multiple current dipoles antenna that two short dipole 9b are constituted, transmitting or reception for completing aerial signal；And the 3rd coplanar strip
Shape line 7c or so two ends are connected with the first coplanar stripline 7a, the second coplanar stripline 7b respectively, meanwhile, described
One coplanar stripline 7a, the second coplanar stripline 7b, the 3rd coplanar stripline 7c and the first coaxial line 3a,
The second coaxial line 3b, the first metallic plate 12a, the second metallic plate 12b constitute the broadband multiple current dipoles
The feed section of antenna, the feeding function for completing antenna.
Further, the first medium substrate 1a and second medium substrate 1b is with the 3rd medium substrate 1c's
Angle of inclination is respectively positive and negative 54 degree.
Further, the first coaxial line 3a and the second coaxial line 3b include inner wire and outer conductor, described
The position that earth plate 5 is connected with the first coaxial line 3a and the second coaxial line 3b offers first port 6a and second
The inner wire of port 6b, the first coaxial line 3a and the second coaxial line 3b bottoms respectively by the first port 6a and
The second port 6b passes through the earth plate 5；
Open the position that the 3rd medium substrate 1c is connected with the first coaxial line 3a and the second coaxial line 3b
It is provided with first through hole 10a and the second through hole 10b；
The inner wire on the first coaxial line 3a tops through after the first through hole 10a with the 3rd medium substrate 1c
The microstrip line 11 of upper side is connected, the inner wire on the second coaxial line 3b tops through after the second through hole 10b with
The microstrip line 11 of the 3rd medium substrate 1c upper sides is connected.
Further, aerial signal leads to from the inner wire of the first coaxial line 3a and the second coaxial line 3b bottoms
SMA is crossed to access or pick out.
Further, the outer conductor of the first coaxial line 3a and the second coaxial line 3b is used to connect the 3rd Jie
The metal floor and the earth plate 5 of matter substrate 1c downsides.
Further, the microstrip line 11 is symmetrical on the 3rd coplanar stripline 7c, described in the microstrip line 11 pairs
3rd coplanar stripline 7c is radiated.
Further, the described first dipole 8a long, second dipole (8b) long, the first short dipole 9a,
The second short dipole 9b is parallel to each other, and the first dipole 8a long, the first short dipole 9a and described first
Coplanar stripline 7a is vertically connected, and the second dipole 8b long, the second short dipole 9b are vertical with the second coplanar stripline 7b
Connection.
Further, the edge of the earth plate 5 is provided with the first flange 2a, second of triangle connected vertically
Flange 2b, the 3rd flange 2c, the 4th flange 2d.
Further, the microstrip line 11 is parallel with the first metallic plate 12a, the second metallic plate 12b, wherein,
The first metallic plate 12a and the second metallic plate 12b offer the first via 13a, the second via 13b respectively, use
Passed through in the first coaxial line 3a, the second coaxial line 3b.
Further, the first metallic plate 12a and the second metallic plate 12b, the first coaxial line 3a with it is described
The metal that the internal and external conductor of the second coaxial line 3b, the first supporting plate 4a are used with the second supporting plate 4b is copper.
The utility model has the following advantages and effect relative to prior art：
1st, the utility model is designed a with common-mode rejection properties, using coaxial line-coplanar stripline feeding classification
Differential broadband antenna for base station, the antenna realizes good antenna pattern, simple with design, small volume, and low cost is special
The good advantage of property.
2nd, compared with single port antenna for base station antenna, the design is designed using differential feed, can be preferably in whole frequency range
Suppression common mode.
3rd, compared with existing difference base station antenna, the design has the antenna pattern of stabilization.
4th, compared with existing difference base station antenna, the design has the lobe width of stabilization, can meet different communication system
The requirement of system.
Brief description of the drawings
Fig. 1 (a) is embodiment proposition with the broadband multiple current dipoles for stablizing lobe width and common-mode rejection properties
The three-dimensional structure diagram of antenna；
Fig. 1 (b) is embodiment proposition with the broadband multiple current dipoles for stablizing lobe width and common-mode rejection properties
Earth plate；
Fig. 2 (a) is embodiment proposition with the broadband multiple current dipoles for stablizing lobe width and common-mode rejection properties
The dipole subdivision of antenna；
Fig. 2 (b) is embodiment proposition with the broadband multiple current dipoles for stablizing lobe width and common-mode rejection properties
Another dipole subdivision of antenna；
Fig. 3 is embodiment proposition with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties
Feed structure figure；
Fig. 4 is embodiment proposition with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties
Reflection parameters curve map in a differential mode；
Fig. 5 is embodiment proposition with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties
Reflection parameters curve map under common mode pattern；
Fig. 6 is embodiment proposition with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties
Gain curve figure；
1a--- first medium substrates, 1b--- second medium substrates, the medium substrates of 1c--- the 3rd, the flange of 2a--- first,
The flange of 2b--- second, the flange of 2c--- the 3rd, the flange of 2d--- the 4th, the coaxial lines of 3a--- first, the coaxial lines of 3b--- second,
The supporting plates of 4a--- first, the supporting plates of 4b--- second, 5--- earth plates, 6a--- first ports, 6b--- second ports, 7a---
First coplanar stripline, the coplanar striplines of 7b--- second, the coplanar striplines of 7c--- the 3rd, the dipoles long of 8a--- first,
The dipoles long of 8b--- second, the short dipoles of 9a--- first, the short dipoles of 9b--- second, 10a--- first through hole, 10b---
Two through holes, 11--- microstrip lines, the metallic plates of 12a--- first, the metallic plates of 12b--- second, the vias of 13a--- first, 13b---
Two vias.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Embodiment
Present embodiment discloses a kind of with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, the structure that feeding classification is combined using coaxial line with coplanar stripline.The antenna applications are in the communication of 1710MHz-2690MHz
Frequency range, has potential application value in the antenna for base station field of Modern wireless communication.Antenna is processed using pcb board, with
Conventional dual polarized antenna is compared to simpler structure.
In the present embodiment, three pieces of medium substrates use pcb board, and all dipoles are in first medium substrate 1a, second
Medium substrate 1b downsides are symmetric, by the first coplanar stripline 7a, the second coplanar stripline 7b, the 3rd coplanar banding
Line 7c is the reverse electric currents of spoke such as all dipoles transmission, so that the present embodiment has the antenna pattern of stabilization and good
Common-mode rejection properties.
Such as standing with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties in accompanying drawing 1 (a)
Shown in body structure chart, a kind of use disclosed in the present embodiment has stablizes many dipoles of the difference of lobe width and common-mode rejection properties
Sub-antenna, including the 3rd medium substrate 1c, the earth plate 5 below the 3rd medium substrate and positioned at the described 3rd
The first coaxial line 3a, the second coaxial line 3b, the first supporting plate 4a and the second support between medium substrate 1c and the earth plate 5
Plate 4b, positioned at first medium substrate 1a, the second medium substrate 1b of the 3rd medium substrate 1c tops left and right sides.
As shown in Fig. 2 (a) and Fig. 2 (b), the downside of the first medium substrate 1a is provided with the first coplanar stripline
It is coplanar that the downside of 7a, the first dipole 8a long and the first short dipole 9a, the second medium substrate 1b is provided with second
Strip line 7b, the second dipole 8b long and the second short dipole 9b, the upper side of first, second medium substrate is without unit's device
Part.As shown in figure 3, the downside of the 3rd medium substrate 1c is provided with the 3rd coplanar stripline 7c, the first metallic plate 12a, second
Metallic plate 12b, the upper side of the 3rd medium substrate 1c is provided with microstrip line 11.
What the wherein first dipole 8a long, the second dipole 8b long, the first short dipole 9a, the second short dipole 9b were constituted
Multiple current dipoles antenna, transmitting or reception for completing aerial signal；And the first coplanar stripline 7a, the second coplanar stripline
7b, the 3rd coplanar stripline 7c, and the first coaxial line 3a, the second coaxial line 3b add the first metallic plate 12a, the second metal
Plate 12b, collectively constitutes the feed section with the difference multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties, is used for
Complete the feeding function of antenna.
The first coaxial line 3a and the second coaxial line 3b include inner wire and outer conductor, the earth plate 5 with
The position of the first coaxial line 3a and the second coaxial line 3b connections offers first port 6a and second port 6b, institute
The inner wire for stating the first coaxial line 3a and the second coaxial line 3b bottoms is worn by the first port 6a and second port 6b
Cross the earth plate 5.
Open the position that the 3rd medium substrate 1c is connected with the first coaxial line 3a and the second coaxial line 3b
It is provided with first through hole 10a and the second through hole 10b；
The inner wire of the first coaxial line 3a through after the first through hole 10a with the 3rd medium substrate 1c upsides
The microstrip line 11 in face is connected, the inner wire of the second coaxial line 3b through after the second through hole 10b with the 3rd medium
The microstrip line 11 of substrate 1c upper sides is connected, and aerial signal is from the first coaxial line 3a and the second coaxial line 3b bottoms
Inner wire, is accessed or is picked out by SMA.
In concrete application, the microstrip line 11 is symmetrical on the 3rd coplanar stripline 7c, 11 pairs of institutes of the microstrip line
The 3rd coplanar stripline 7c is stated to be radiated, further, by the 3rd coplanar stripline 7c or so two ends respectively with institute
The first coplanar stripline 7a, the second coplanar stripline 7b is stated to be connected, therefore energy transmission is carried out.
In concrete application, the first coplanar stripline 7a dipole 8as long with first, the first short dipole 9a are connected, and
Second coplanar stripline 7b dipole 8bs long with second, the second short dipole 9b are connected, so energy is transferred to all idols
Extremely therefore above, and by all dipoles radiate for energy by son.
In concrete application, first, second, third medium substrate is pcb board, and the reflection floor 5 is copper-plated
Pcb board, the first supporting plate 4a and the second supporting plate 4b are copper-plated pcb board.
In concrete application, the outer conductor of the first coaxial line 3a and the second coaxial line 3b is used to connect the described 3rd
The metal floor and the earth plate 5 of medium substrate 1c downsides.
In concrete application, the medium substrate 1c and the first coaxial line 3a, the second coaxial line 3b are mutually perpendicular to, and are connect with described
Floor 5 is parallel to each other, and further angle is big with the 3rd medium substrate 1c for first medium substrate 1a, second medium substrate 1b
Small is 54 degree, and the first flange 2a, the second flange 2b, the 3rd flange 2c, the 4th flange 2d connect with described
Floor 5 is vertical.
In concrete application, the first dipole 8a long, the second dipole 8b long, the first short dipole 9a, the second short idol
Extremely sub- 9b is parallel to each other, and the first dipole 8a long, the first short dipole 9a are vertical with the first coplanar stripline 7a, described
Second dipole 8b long, the second short dipole 9b are vertical with the second coplanar stripline 7b.
In concrete application, the microstrip line 11 is parallel with the first metallic plate 12a, the second metallic plate 12b.It is described
First via 13a, the second via 13b are passed through for the first coaxial line 3a, the second coaxial line 3b, and can be avoided and the first coaxial line
The outer core short circuit of 3a, the second coaxial line 3b, the first coaxial line 3a, the second coaxial line 3b transmit that amplitude is equal, phase respectively
Opposite signal.Whole antenna be it is symmetrical on xoz faces and yoz faces,
Wherein, the first supporting plate 4a and the second supporting plate 4b supports the 3rd medium substrate 1c.Wherein, the first coaxial line 3a
Inner wire, the inner wire of the second coaxial line 3b are each passed through after first through hole 10a, the second through hole 10b and the 3rd medium substrate 1c
The microstrip line 11 of upper side is connected.
Wherein, earth plate 5 is copper-plated pcb board.Earth plate 5 is connected with the first coaxial line 3a and the second coaxial line 3b
Position is provided with first port 6a and second port 6b, the input/output interface for connecting feed.
Wherein, the outer conductor of the outer conductor of the first coaxial line 3a and the second coaxial line 3b is used to connect the 3rd medium substrate 1c
First metallic plate 12a, the second metallic plate 12b and earth plate 5 of lower floor.
The the first via 13a opened up on the first metallic plate 12a, the second metallic plate 12b and the second via 13b is used for the
One coaxial line 3a, the second coaxial line 3b pass through, and make signal from the inner wire of the first coaxial line 3a and the second coaxial line 3b bottoms,
Access or pick out by SMA.
The present embodiment produces stabilization antenna pattern and common-mode rejection properties using multiple current dipoles and differential feed structure, and
Ultra wide band work is realized, the lobe width of stabilization is realized using the triangle flange of earth plate and its surrounding.Electromagnetic Simulation
Differential mode reflection coefficient curve such as accompanying drawing 4, as shown in Figure 5, gain curve is as shown in Figure 6 for common mode reflection coefficient curve.
In above-described embodiment, the pcb board is constituted using FR-4 materials；The first metallic plate 12a and the second metallic plate
The metal that 12b, the internal and external conductor of the first coaxial line 3a and the second coaxial line 3b, the first supporting plate 4a, the second supporting plate 4b are used
It is copper.
In sum, the utility model uses difference coplanar wave guide feedback form, using a pair long dipoles and short a pair
Dipole, is on 54 degree of medium substrate by the way that they are printed on two angles of inclination, realizes impedance bandwidth wide, and
Antenna pattern is very stable in whole frequency band range, particularly with good common-mode rejection properties.With existing difference day
Line compares, and the utility model patent has more stable E faces and a H faces lobe width, therefore goes for different wireless
Communication system.
Above-described embodiment is the utility model preferably implementation method, but implementation method of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from the change made under Spirit Essence of the present utility model and principle, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, be included within protection domain of the present utility model.
Claims (10)
1. it is a kind of with the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties, it is characterised in that bag
Include the 3rd medium substrate (1c), the earth plate (5) below the 3rd medium substrate (1c) and be situated between positioned at the described 3rd
The first coaxial line (3a) and the second coaxial line (3b) between matter substrate (1c) and the earth plate (5) and described for supporting
First supporting plate (4a) and the second supporting plate (4b) of the 3rd medium substrate (1c), positioned at the 3rd medium substrate (1c) top
The symmetrical first medium substrate (1a) and second medium substrate (1b) being obliquely installed of the left and right sides；
The downside of the first medium substrate (1a) be provided with the first coplanar stripline (7a), the first dipole (8a) long and
First short dipole (9a), the downside of the second medium substrate (1b) is provided with the second coplanar stripline (7b), the second length
Dipole (8b) and the second short dipole (9b)；The downside of the 3rd medium substrate (1c) is provided with the 3rd coplanar banding
Line (7c), the first metallic plate (12a), the second metallic plate (12b), the upper side of the 3rd medium substrate (1c) are provided with micro-strip
Line (11)；
Wherein, the described first dipole (8a) long, second dipole (8b) long, first short dipole (9a), described
The multiple current dipoles antenna that second short dipole (9b) is constituted, transmitting or reception for completing aerial signal；And the described 3rd is common
Face strip line (7c) left and right two ends are connected with first coplanar stripline (7a), second coplanar stripline (7b) respectively,
Meanwhile, first coplanar stripline (7a), second coplanar stripline (7b), the 3rd coplanar stripline (7c) and
First coaxial line (3a), second coaxial line (3b), first metallic plate (12a), second metallic plate (12b)
The feed section of the broadband multiple current dipoles antenna is constituted, the feeding function for completing antenna.
2. according to claim 1 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
The inclination angle of the first medium substrate (1a) and the second medium substrate (1b) and the 3rd medium substrate (1c)
Degree is respectively positive and negative 54 degree.
3. according to claim 1 and 2 with the broadband multiple current dipoles for stablizing lobe width and common-mode rejection properties
Antenna, it is characterised in that
First coaxial line (3a) and second coaxial line (3b) include inner wire and outer conductor, the earth plate (5)
The position being connected with first coaxial line (3a) and second coaxial line (3b) offers first port (6a) and second
The inner wire of port (6b), first coaxial line (3a) and second coaxial line (3b) bottom is respectively by the first end
Mouth (6a) and the second port (6b) pass through the earth plate (5)；
The position that 3rd medium substrate (1c) is connected with first coaxial line (3a) and second coaxial line (3b)
Offer first through hole (10a) and the second through hole (10b)；
The inner wire on the first coaxial line (3a) top through after the first through hole (10a) with the 3rd medium substrate
The microstrip line (11) of (1c) upper side is connected, and the inner wire on the second coaxial line (3b) top passes through second through hole
The microstrip line (11) after (10b) with the 3rd medium substrate (1c) upper side is connected.
4. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
Aerial signal is connect from the inner wire of first coaxial line (3a) and second coaxial line (3b) bottom by SMA
Enter or pick out.
5. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
The outer conductor of first coaxial line (3a) and second coaxial line (3b) is used to connect the 3rd medium substrate
The metal floor and the earth plate (5) of (1c) downside.
6. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
The microstrip line (11) is symmetrical on the 3rd coplanar stripline (7c), and the microstrip line (11) is coplanar to the described 3rd
Strip line (7c) is radiated.
7. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
It is first dipole (8a) long, second dipole (8b) long, first short dipole (9a), described second short
Dipole (9b) is parallel to each other, and first dipole (8a) long, the first short dipole 9a and first coplanar strip
Shape line (7a) is vertically connected, and second dipole (8b) long, the second short dipole (9b) and the second coplanar stripline (7b) hang down
It is direct-connected to connect.
8. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that the edge of the earth plate (5) is provided with first flange (2a) of triangle connected vertically,
Two flange (2b), the 3rd flange (2c), the 4th flange (2d).
9. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
The microstrip line (11) is parallel with first metallic plate (12a), second metallic plate (12b), wherein, described first
Metallic plate (12a) and second metallic plate (12b) offer the first via (13a), the second via (13b) respectively, for institute
The first coaxial line (3a), the second coaxial line (3b) is stated to pass through.
10. according to claim 3 with the broadband multiple current dipoles day for stablizing lobe width and common-mode rejection properties
Line, it is characterised in that
First metallic plate (12a) and second metallic plate (12b), first coaxial line (3a) are coaxial with described second
The metal that the internal and external conductor of line (3b), first supporting plate (4a) are used with second supporting plate (4b) is copper.
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| CN201621050200.9U CN206225546U (en) | 2016-09-12 | 2016-09-12 | With the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties |
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| CN201621050200.9U CN206225546U (en) | 2016-09-12 | 2016-09-12 | With the broadband multiple current dipoles antenna for stablizing lobe width and common-mode rejection properties |
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| CN110911828A (en) * | 2019-10-19 | 2020-03-24 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Broadband differential feed dual-polarized antenna adopting integrated six-port power divider |
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- 2016-09-12 CN CN201621050200.9U patent/CN206225546U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109193104A (en) * | 2018-03-22 | 2019-01-11 | 财团法人交大思源基金会 | Signal line switching structure of antenna |
| CN109193104B (en) * | 2018-03-22 | 2020-12-11 | 财团法人交大思源基金会 | Signal line switching structure of antenna |
| CN109786963A (en) * | 2018-12-28 | 2019-05-21 | 西安交通大学 | A kind of broadband direction figure diversity antenna of low section |
| CN110112550A (en) * | 2019-05-30 | 2019-08-09 | 西安电子科技大学 | The omnidirectional's WLAN antenna inhibited based on common mode current |
| CN110911828A (en) * | 2019-10-19 | 2020-03-24 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Broadband differential feed dual-polarized antenna adopting integrated six-port power divider |
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