CN205790389U - A kind of 4G antenna - Google Patents
A kind of 4G antenna Download PDFInfo
- Publication number
- CN205790389U CN205790389U CN201620395533.9U CN201620395533U CN205790389U CN 205790389 U CN205790389 U CN 205790389U CN 201620395533 U CN201620395533 U CN 201620395533U CN 205790389 U CN205790389 U CN 205790389U
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- oscillator
- radiating surface
- ground plane
- antenna
- pcb substrate
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Abstract
The utility model discloses a kind of 4G antenna, including PCB substrate, the front Copper Foil of described PCB substrate is shallow is coated with radiating surface and ground plane, described radiating surface is electrically connected with by a feeder line with described ground plane, described radiating surface is provided with feed point, described feed point is electrically connected with a feeder line, and the back side of described PCB substrate is provided with compensation electric capacity.This utility model breaches existing wireless terminal antenna technology, it has simple in construction, broadband, cost of manufacture is low, installation is simple, the significant advantage of compact, anti seismic efficiency and the wireless telecommunications performance of excellence, is widely portable in 4G wireless transmissions line end product.
Description
Technical field
This utility model belongs to signal transmission general character part of appliance field, is specifically related to a kind of wideband PCB antenna be applicable to 4G wireless transmissions line end product.
Background technology
At present, 4G technology is constantly popularized, and existing wireless terminal antenna covers 3G frequency range mostly, not only narrow bandwidth, is extremely difficult to 4G communicating requirement, and has the shortcomings such as cost height, making technology complexity and unstable properties.4G groundwork frequency range is TDD, FDD, in order to make how single wireless termination can allow miniature antenna can have wide band effect, it has also become research staff's emphasis research topic at multiple band operation.
Development along with wireless communication technique, Radio Terminal Function is constantly strengthened, and wireless module integrated level improves constantly, and communication device is constantly miniaturized, and along with the maturation of 4G technology is the most universal with application, requirements at the higher level are proposed the Antenna Design of corresponding communicator.For above-mentioned situation, prior art disclosure satisfy that the multiple frequency broad band needs of 4G communication era, simple in construction, miniaturization, concordance little, 4G antenna that cost is lower, stable and reliable for performance good, affected by environment in the urgent need to a kind of.
Summary of the invention
The purpose of this utility model is the deficiency in order to overcome prior art to exist, it is provided that a kind of simple in construction, volume are little, radiation effect good, low cost, stable and reliable for performance, bandwidth, disclosure satisfy that the 4G antenna that the multiple frequency broad band of 4G communication era needs.
This utility model is achieved through the following technical solutions: a kind of 4G antenna, including PCB substrate, the front Copper Foil of described PCB substrate is shallow is coated with radiating surface and ground plane, described radiating surface is electrically connected with by a feeder line with described ground plane, described radiating surface is provided with feed point, described feed point is electrically connected with a feeder line, and the back side of described PCB substrate is provided with compensation electric capacity.
Described ground plane includes square main body and the minor matters of " L " shape, and described minor matters are made up of a minor face and the long limit vertical with this minor face, and described minor face is connected between described square main body and described long limit.
Described radiating surface includes the first oscillator of " u "-shaped and second oscillator of " L " shape, described second oscillator is made up of a minor face and the long limit vertical with this minor face, described minor face is connected with this first oscillator at the oral area of described first oscillator, described long limit extends from the oral area of described first oscillator to the middle part of this first oscillator, the opening of described first oscillator is just to described ground plane, and described minor matters are between described square main body and described radiating surface.
One side arm of described first oscillator extends to described ground plane side from the junction of described second oscillator Yu this first oscillator, and described feed point is arranged at the top of this side arm, and this feed point is positioned at the side of the minor face of described minor matters.
The thickness of described PCB substrate is 0.8mm.
Existing wireless terminal antenna is generally of cost height, making technology complexity, unstable properties, the shortcoming of narrow bandwidth.This utility model breaches existing wireless terminal antenna technology, it has simple in construction, broadband, cost of manufacture is low, installation is simple, the significant advantage of compact, anti seismic efficiency and the wireless telecommunications performance of excellence, is widely portable in 4G wireless transmissions line end product.
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present utility model；
Fig. 2 is structure schematic diagram of the present utility model；
Fig. 3 is S11 performance plot of the present utility model.
In Fig. 1, Fig. 2: 1-ground plane；2-feed point；3-the first oscillator；4-the second oscillator；5-PCB substrate；6-compensates electric capacity.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
As shown in Figure 1 and Figure 2, a kind of 4G antenna, including PCB substrate 5, the front Copper Foil of PCB substrate 5 is shallow is coated with radiating surface and ground plane 1, radiating surface is electrically connected with by a feeder line with ground plane 1, radiating surface is provided with feed point 2, feed point 2 and a feeder line and is electrically connected with, and the back side of PCB substrate 5 is provided with compensation electric capacity 6.
Seeing Fig. 1, wherein, ground plane 1 includes square main body and the minor matters of " L " shape, and minor matters are made up of a minor face and the long limit vertical with this minor face, and minor face is connected between square main body and long limit.Radiating surface includes the first oscillator 3 and second oscillator 4 of " L " shape of " u "-shaped, second oscillator 4 is made up of a minor face and the long limit vertical with this minor face, minor face is connected with this first oscillator 3 at the oral area of the first oscillator 3, long limit extends from the oral area of the first oscillator 3 to the middle part of this first oscillator 3, the opening of the first oscillator 3 is just to ground plane 1, and minor matters are between square main body and radiating surface.One side arm of the first oscillator 3 extends to ground plane 1 side from the junction of the second oscillator 4 with this first oscillator 3, and feed point 2 is arranged at the top of this side arm, and this feed point 2 is positioned at the side of the minor face of minor matters.The thickness of PCB substrate 5 is 0.8mm.
Non-source test data of the present utility model are shown in Table 1.
Table 1
Fig. 3 and table 1 can be seen that broadband of the present utility model effect, and its operating frequency range breaks through to 4G (1.7G-2.7G) frequency range from existing antenna technology 3G (1.7G-2.2G).Additionally, this utility model has simple in construction, low cost, stable and reliable for performance, radiation effect good, the advantage of easy debugging, and there is excellent wireless telecommunications performance, be widely portable in 4GLTE-TDD/FDD wireless terminal product.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; rather than the restriction to this utility model protection domain; simple modification that the technical solution of the utility model is carried out by those of ordinary skill in the art or equivalent, all without departing from the spirit and scope of technical solutions of the utility model.
Claims (5)
1. a 4G antenna, including PCB substrate, it is characterized in that: the front Copper Foil of described PCB substrate is shallow is coated with radiating surface and ground plane, described radiating surface is electrically connected with by a feeder line with described ground plane, described radiating surface is provided with feed point, described feed point is electrically connected with a feeder line, and the back side of described PCB substrate is provided with compensation electric capacity.
4G antenna the most according to claim 1, it is characterized in that: described ground plane includes square main body and the minor matters of " L " shape, described minor matters are made up of a minor face and the long limit vertical with this minor face, and described minor face is connected between described square main body and described long limit.
4G antenna the most according to claim 2, it is characterized in that: described radiating surface includes the first oscillator of " u "-shaped and second oscillator of " L " shape, described second oscillator is made up of a minor face and the long limit vertical with this minor face, described minor face is connected with this first oscillator at the oral area of described first oscillator, described long limit extends from the oral area of described first oscillator to the middle part of this first oscillator, the opening of described first oscillator is just to described ground plane, and described minor matters are between described square main body and described radiating surface.
4G antenna the most according to claim 3, it is characterized in that: a side arm of described first oscillator extends to described ground plane side from the junction of described second oscillator Yu this first oscillator, described feed point is arranged at the top of this side arm, and this feed point is positioned at the side of the minor face of described minor matters.
5. according to the 4G antenna described in claim 1,2,3 or 4, it is characterised in that: the thickness of described PCB substrate is 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395533.9U CN205790389U (en) | 2016-05-05 | 2016-05-05 | A kind of 4G antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395533.9U CN205790389U (en) | 2016-05-05 | 2016-05-05 | A kind of 4G antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205790389U true CN205790389U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620395533.9U Expired - Fee Related CN205790389U (en) | 2016-05-05 | 2016-05-05 | A kind of 4G antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN205790389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789895A (en) * | 2016-05-05 | 2016-07-20 | 图唐智能科技（上海）有限公司 | 4G antenna |
-
2016
- 2016-05-05 CN CN201620395533.9U patent/CN205790389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789895A (en) * | 2016-05-05 | 2016-07-20 | 图唐智能科技（上海）有限公司 | 4G antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |