CN103178339A - Printed wideband antenna - Google Patents
Printed wideband antenna Download PDFInfo
- Publication number
- CN103178339A CN103178339A CN2012103845458A CN201210384545A CN103178339A CN 103178339 A CN103178339 A CN 103178339A CN 2012103845458 A CN2012103845458 A CN 2012103845458A CN 201210384545 A CN201210384545 A CN 201210384545A CN 103178339 A CN103178339 A CN 103178339A
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- radiating element
- metallic circuit
- metal circuit
- radiating unit
- radiation
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Abstract
The invention relates to a printed wideband antenna. The printed wideband antenna is characterized in that a first metal circuit and a second metal circuit of the printed wideband antenna are in shape symmetry with each other, are positioned on opposite sides and are formed on an insulating layer, a first signal feed-in portion is positioned on the first metal circuit, a second signal feed-in portion is positioned on the second metal circuit, and the first signal feed-in portion and the second signal feed-in portion are in shape symmetry with each other; a first radiating unit is formed on the insulating layer and is connected with the first metal circuit; a second radiating unit is formed on the insulating layer and is connected with the first metal circuit; a third radiating unit is formed on the insulating layer, is connected with the second metal circuit, is positioned on the side opposite to the first radiating unit and is symmetrical with the first radiating unit; and a fourth radiating unit is formed on the insulating layer, is connected with the second metal circuit, is positioned on the side opposite to the second radiating unit and is symmetrical with the second radiating unit. The printed wideband antenna has the advantages that the multiple radiating units in adjacent frequency bands are combined with one another, the multiple frequency bands are combined to form a wide frequency band, electromagnetic signals can be effectively radiated and received, and accordingly the printed wideband antenna has a wideband characteristic.
Description
Technical field
The present invention relates to the technical field of wireless telecommunications system, refer in particular to a kind of printing-type all channel antenna.
Background technology
Along with the continuous progress of broadcasting media technology, accept TV programme more and more universal.at present, the screen frequency of utilization scope of the TV programme signal of broadcasting due to various countries is slightly different, for example, the frequency scope of application of A state may be between 470MHz～600MHz, the frequency scope of application of B state may be between 500MHz～700MHz, and the frequency scope of application of C state may be between 550MHz～860MHz, therefore, for the applicable TV signal of accepting wide frequency ranges such as 470MHz～860MHz, designing this reception, to contain the antenna of the wider TV programme of frequency be a major challenge in fact, in addition, different TV programme, the frequency range of using is also different, if the range of receiving of antenna can not be contained all TV programme like this, the user will cause inconvenience when accepting different program.Although, at present also there are some can accept the television antenna of above-mentioned wider frequency range, as existing a kind of telescopic antenna, although its receivable frequency range is wider, length that must be through adjusting and changing telescopic antenna when but it uses causes it to use extremely inconvenience to adapt to different frequency ranges like this.In addition, use the existing plate aerial of print circuit plates making, although can deacclimatize according to design requirement in specific frequency range, because its application band is extremely narrow, the signal that makes present PCB antenna still can't reach wide-band such as 470MHz～860MHz receives.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of reasonable in design reliable, radiation-curable printing-type all channel antenna with accepting electromagnetic wave signal.
for achieving the above object, technical scheme provided by the present invention is: a kind of printing-type all channel antenna, it includes substrate and is located at insulating barrier on the upper face of this substrate, it also includes the first signal feeding portion, the secondary signal feeding portion, the first radiating element, the second radiating element, the 3rd radiating element, the 4th radiating element, the first metallic circuit, the second metallic circuit, wherein, the shape of described the first metallic circuit and the second metallic circuit is symmetrical and be positioned at opposite side, and be formed at insulating barrier, simultaneously, the first signal feeding portion is positioned on the first metallic circuit, the secondary signal feeding portion is positioned on the second metallic circuit, and, shape is symmetrical between the two for they, the first radiating element is formed at insulating barrier, and is connected in the first metallic circuit, is used for radiation and accepts the first frequency band signals, the second radiating element is formed at insulating barrier, and is connected in the first metallic circuit, is used for radiation and accepts the second frequency band signals, the 3rd radiating element is formed at insulating barrier, and is connected in the second metallic circuit, is used for radiation and accepts the first frequency band signals, and simultaneously, the 3rd radiating element is positioned at the opposite side of the first radiating element, and its shape and the first radiating element symmetry, the 4th radiating element is formed at insulating barrier, and is connected in the second metallic circuit, is used for radiation and accepts the second frequency band signals, and simultaneously, the 4th radiating element is positioned at the opposite side of the second radiating element, and its shape and the second radiating element symmetry.
Described the first radiating element, the second radiating element, the 3rd radiating element, the 4th radiating element can be regular shape or irregular strip structure.
The present invention is after having adopted such scheme, its great advantage is that the present invention organically combines by the radiating element to a plurality of successive bands on substrate, make a plurality of frequency ranges organically combine into a broadband frequency range, thereby effectively radiation and accept electromagnetic wave signal causes it to have wide band characteristic.
Description of drawings
Fig. 1 is vertical view of the present invention.
Fig. 2 be the present invention under frequency 47MHz to 900MHz return loss value and the graph of a relation of frequency.
Fig. 3 be the present invention under frequency 47MHz to 900MHz standing wave ratio and the graph of a relation of frequency.
Fig. 4 is the horizontal plane two-dimensional radiation field shape figure with the test of 650MHz do of emulation of the present invention.
Fig. 5 is the vertical plane two-dimensional radiation field shape figure with the test of 650MHz do of emulation of the present invention.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
shown in accompanying drawing 1, the described printing-type all channel antenna of the present embodiment, it includes substrate 1, be located at the insulating barrier 2 on the upper face of this substrate 1, first signal feeding portion 3, secondary signal feeding portion 4, the first radiating element 5, the second radiating element 6, the 3rd radiating element 7, the 4th radiating element 8, the first metallic circuit 9, the second metallic circuit 10, wherein, the shape of described the first metallic circuit 9 and the second metallic circuit 10 is symmetrical and be positioned at opposite side, and be formed at insulating barrier 2, simultaneously, first signal feeding portion 3 is positioned on the first metallic circuit 9, secondary signal feeding portion 4 is positioned on the second metallic circuit 10, and, shape is symmetrical between the two for they, the first radiating element 5 is formed at insulating barrier 2, and be connected in the first metallic circuit 9, being used for radiation and accepting the first frequency band signals, is namely that radiation is received electromagnetic wave signal and fed out via first signal feeding portion 3 by the electromagnetic wave signal of 3 feed-ins of first signal feeding portion or induction, the second radiating element 6 is formed at insulating barrier 2, and be connected in the first metallic circuit 9, being used for radiation and accepting the second frequency band signals, is namely that radiation is received electromagnetic wave signal and fed out via first signal feeding portion 3 by the electromagnetic wave signal of 3 feed-ins of first signal feeding portion or induction, the 3rd radiating element 7 is formed at insulating barrier 2, and be connected in the second metallic circuit 10, be used for radiation and accept the first frequency band signals, namely that radiation is received electromagnetic wave signal and fed out via secondary signal feeding portion 4 by the electromagnetic wave signal of 4 feed-ins of secondary signal feeding portion or induction, simultaneously, the 3rd radiating element 7 is positioned at the opposite side of the first radiating element 5, and its shape and the first radiating element 5 symmetries, the 4th radiating element 8 is formed at insulating barrier 2, and be connected in the second metallic circuit 10, be used for radiation and accept the second frequency band signals, namely that radiation is received electromagnetic wave signal and fed out via secondary signal feeding portion 4 by the electromagnetic wave signal of 4 feed-ins of secondary signal feeding portion or induction, simultaneously, the 4th radiating element 8 is positioned at the opposite side of the second radiating element 6, and its shape and the second radiating element 6 symmetries.Wherein, above-mentioned the first radiating element 5, the second radiating element 6, the 3rd radiating element 7, the 4th radiating element 8 of the present embodiment can be regular shape or irregular strip structure.In sum, after adopting above scheme, the present invention organically combines by the radiating element to a plurality of successive bands on substrate 1, makes a plurality of frequency ranges organically combine into a broadband frequency range, thus effectively radiation and accept electromagnetic wave signal, cause it to have wide band characteristic, its concrete effect wherein, can be found out in accompanying drawing 2 referring to shown in accompanying drawing 2-5, when wave band (440MHz to 900MHz), return loss of the present invention (Return Loss) all-below 4dB; And can find out in accompanying drawing 3, when wave band (440MHz to 900MHz), standing wave ratio of the present invention (VSWR) is all below 4.5.In a word, by above improvement, compared to existing technology, the present invention has wide band characteristic, effectively radiation and accept electromagnetic wave signal, and applicable frequency range is wider, is worthy to be popularized.
The examples of implementation of the above only are the present invention's preferred embodiment, are not to limit practical range of the present invention with this, therefore the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.
Claims (2)
1. printing-type all channel antenna, it includes substrate (1) and is located at insulating barrier (2) on the upper face of this substrate (1), it is characterized in that: it also includes first signal feeding portion (3), secondary signal feeding portion (4), the first radiating element (5), the second radiating element (6), the 3rd radiating element (7), the 4th radiating element (8), the first metallic circuit (9), the second metallic circuit (10), wherein, the shape of described the first metallic circuit (9) and the second metallic circuit (10) is symmetrical and be positioned at opposite side, and be formed at insulating barrier (2), simultaneously, first signal feeding portion (3) is positioned on the first metallic circuit (9), secondary signal feeding portion (4) is positioned on the second metallic circuit (10), and, shape is symmetrical between the two for they, the first radiating element (5) is formed at insulating barrier (2), and is connected in the first metallic circuit (9), is used for radiation and accepts the first frequency band signals, the second radiating element (6) is formed at insulating barrier (2), and is connected in the first metallic circuit (9), is used for radiation and accepts the second frequency band signals, the 3rd radiating element (7) is formed at insulating barrier (2), and be connected in the second metallic circuit (10), be used for radiation and accept the first frequency band signals, simultaneously, the 3rd radiating element (7) is positioned at the opposite side of the first radiating element (5), and its shape and the first radiating element (5) symmetry, the 4th radiating element (8) is formed at insulating barrier (2), and be connected in the second metallic circuit (10), be used for radiation and accept the second frequency band signals, simultaneously, the 4th radiating element (8) is positioned at the opposite side of the second radiating element (6), and its shape and the second radiating element (6) symmetry.
2. a kind of printing-type all channel antenna according to claim 1 is characterized in that: described the first radiating element (5), the second radiating element (6), the 3rd radiating element (7), the 4th radiating element (8) are the strip structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103845458A CN103178339A (en) | 2012-09-24 | 2012-09-24 | Printed wideband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103845458A CN103178339A (en) | 2012-09-24 | 2012-09-24 | Printed wideband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103178339A true CN103178339A (en) | 2013-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103845458A Pending CN103178339A (en) | 2012-09-24 | 2012-09-24 | Printed wideband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178339A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005291A (en) * | 2007-01-19 | 2007-07-25 | 清华大学 | Double frequency plane two antenna system for mobile terminal |
| CN102509875A (en) * | 2011-11-03 | 2012-06-20 | 云南大学 | Broadband planar two-antenna system |
-
2012
- 2012-09-24 CN CN2012103845458A patent/CN103178339A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005291A (en) * | 2007-01-19 | 2007-07-25 | 清华大学 | Double frequency plane two antenna system for mobile terminal |
| CN102509875A (en) * | 2011-11-03 | 2012-06-20 | 云南大学 | Broadband planar two-antenna system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130626 |