CN201084821Y - A broadband plane antenna - Google Patents
A broadband plane antenna Download PDFInfo
- Publication number
- CN201084821Y CN201084821Y CNU2007201462380U CN200720146238U CN201084821Y CN 201084821 Y CN201084821 Y CN 201084821Y CN U2007201462380 U CNU2007201462380 U CN U2007201462380U CN 200720146238 U CN200720146238 U CN 200720146238U CN 201084821 Y CN201084821 Y CN 201084821Y
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- length
- antenna
- antenna body
- circuit board
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- Expired - Lifetime
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Abstract
The utility model relates to a broadband planar antenna, which is made on a printing circuit board. The broadband planar antenna comprises an antenna body and a receiving interface, the external shape of the antenna body forms a reverse trapezoid, an irregular hexagon, and a diamond-shaped pentagon that are connected in series in sequence. The external shape of the receiving interface is corresponding to that of the diamond-shaped pentagon, wherein the signal transfer between the antenna body and the receiving interface is finished by the means of feedback, and the frequency range received by the antenna body covers 470MHz-860MHz.
Description
[technical field]
The utility model is about a kind of antenna, especially about a kind of wide band plane antenna that is made in printed circuit board (PCB).
[background technology]
Receiving the DVB-T program luxuriant is agitation.Generally speaking, because the frequency scope of application of the DVB-T program signal that various countries broadcast is slightly different, for example, the frequency scope of application of A state may be 470MHz～600MHz, the frequency scope of application of B state may be 500MHz～700MHz, and the frequency scope of application of C state may be 550MHz～860MHz, therefore, in order be suitable for to receive the DVB-T signal of wide frequency ranges such as 470MHz～860MHz, designing this reception, to contain the antenna of the wider DVB-T program of frequency range be a major challenge in fact.And for example, different DVB-T programs uses different frequency ranges, and therefore, if antenna can not contain all numerical digit programs, the user will cause inconvenience when receiving different numerical digit program.
Be applied to receive among the existing DVB-T antenna of aforementioned wide frequency range, a telescopic antenna for example, though receivable frequency range is wider, but the length that must adjust and change this telescopic antenna receives different frequency ranges to adapt to, and uses extremely inconvenience.
In addition, the existing plate aerial that uses microwave printed circuit board (PCB) (Printed circuit board) to make, though can be fit to be applied to a specific frequency range according to design requirement, yet its application band is extremely narrow, present plate aerial and the signal reception that can't reach wideband section such as 470MHz～860MHz.
[utility model content]
For solving the problem of aforementioned existing antenna, the utility model provides a kind of wide band plane antenna, can receive an outside numerical digit television signal and is made on the printed circuit board (PCB), and wide band plane antenna comprises:
One antenna body, be for being made in the conduction collection of illustrative plates on this printed circuit board surface, its profile is to be inverted trapezoidal, an irregular hexagon and a diamond shaped pentagon for one of serial connection in regular turn, and wherein the pentagonal top of this diamond shaped forms a feed point of this antenna body;
One receives interface, be for being made in the conduction collection of illustrative plates of this printed circuit board surface, its profile is corresponding with the pentagonal profile of this diamond shaped of this antenna body, forms an output interface on this printed circuit board surface in addition, and this output interface is the intra-zone that is positioned at this reception interface;
Wherein, the trapezoidal length of side of growing limit, two hypotenuses and a minor face of the inversion of this antenna body is respectively 99.0mm, 38.5mm and 69.0mm; This irregular hexagonal one first limit and one second limit are parallel to each other, and this irregular hexagon is in the axle center mirror image symmetry that central point was linked to be on its first limit and second limit, make two first sides that are connected with this first limit and second limit, one end respectively and the length of side of two second sides be respectively 38.0mm and 49.5mm, wherein, this irregular hexagonal first limit is the trapezoidal minor face of this inversion, so its length of side is 69.0mm, and the length of side on this irregular hexagonal second limit is 29.0mm; The pentagonal profile of this diamond shaped is to this irregular hexagonal axle center mirror image symmetry, it comprises the two symmetrical mutually minor faces of a flat limit, two and the long limit of two mutual mirror image symmetries, this flat limit is this irregular hexagonal second limit, so its length of side is 29.0mm, and an end of two minor faces connects the two ends on this flat limit respectively, its length of side is 7.8mm, one end on this length limit then connects respectively and interconnects behind this two minor face and form a top, make this top form a feed point, wherein the length of side on this length limit is 36.7mm;
Further, can further form an amplifying circuit between this output interface and this antenna body feed point, this amplifying circuit can be formed and the scalable signal that is sent to this reception interface from antenna body by micro wiring;
Whereby, the characteristics of wide band plane antenna of the present utility model are as follows:
1. this flat plane antenna is to be located at this printed circuit board (PCB), and it does not need additionally to change antenna shapes again can receive broad DVB-T frequency range.
2. this flat plane antenna comprises an amplifying circuit, so the signal that this antenna body received is delivered to a signal receiving and processing device (interface is handled in the acceptance as the numerical digit TV) after scalable again, and reaches the effect that strengthens receiving efficiency.
[description of drawings]
Fig. 1 is the application schematic diagram for the utility model first preferred embodiment.
Fig. 2 is the plane graph for the utility model first preferred embodiment one flat plane antenna.
Fig. 3 is the reflection loss measurement figure for the utility model first preferred embodiment.
Fig. 4 is the application schematic diagram for the utility model second preferred embodiment.
Fig. 5 is flat plane antenna outward appearance and the dimensional drawing for the utility model second preferred embodiment.
Fig. 6 is the stereogram for the utility model second preferred embodiment.
[embodiment]
Please refer to Fig. 1 and Fig. 2, be first preferred embodiment of wide band plane antenna 10 of the present utility model, it can be linked to a signal receiving and processing device 20.The antenna conduction collection of illustrative plates (pattern) that constitutes this wide band plane antenna 10 can be made in a traditional single-clad board (Printed CircuitBoard) or a high frequency bi-level micro wiring circuit board (Micro-strip designed board), wherein, make this flat plane antenna 10 if adopt traditional single-clad board, mode that then can co-planar waveguide (co-planer) is made, and if adopt with this flat plane antenna 10 of double-deck micro wiring circuit board making, then need to carry out the making of this flat plane antenna 10 in the mode of micro wiring (micro-strip).And this flat plane antenna 10 that is made in this printed circuit board (PCB) comprises an antenna body 12 and a reception interface 14, wherein this antenna body 12 and this not entity connection of reception interface 14, after this antenna body 12 receives outside signal, be presenting the mode of (feeding), should the outside signal be sent to this and accept interface 14.
Can receive the outside signal of a wideband (functional requirement of 470MHz～860MHz) for reaching this antenna body 12, the profile of this antenna body 12 can be simulated software design, HFSS for example, after software such as Analyzer or IE3D is simulated earlier, again analog result is made in this tradition single-clad board or this high frequency bi-level micro wiring circuit board, with this preferred embodiment is example, be that this antenna body 12 is made on the pair of lamina micro wiring circuit board 16, wherein, the profile of this antenna body 12 is irregular shape, it is trapezoidal by an inversion, an one irregular hexagon and a diamond shaped pentagon pile up in regular turn and form, wherein, this is inverted trapezoidal long limit, the length of side of two hypotenuses and minor face is respectively 99.0mm, 38.5mm and 69.0mm; This irregular hexagonal first limit and second limit are parallel to each other, and this irregular hexagon is in first limit and the axle center mirror image symmetry that the center was linked to be on second limit, make two first sides and the two second side length of sides that are connected with this first limit and second limit, one end respectively be respectively 38.0mm and 49.5mm, wherein, this irregular hexagonal first limit is the trapezoidal minor face of this inversion, so its length of side is 69.0mm, and the length of side on this irregular hexagonal second limit is 29.0mm; This diamond shaped pentagon also is the pattern that forms a mirror image symmetry along this irregular hexagonal axle center, it comprises the symmetrical mutually minor face in a flat limit, two and the long limit of two mutual mirror image symmetries, this flat limit is this irregular hexagonal second limit, so its length of side is 29.0mm, and an end of two minor faces connects the two ends on this flat limit respectively, its length of side is 7.8mm, one end on this length limit then connects respectively and interconnects behind this two minor face and form a top, this top forms a feed point 122 of antenna body 12, and wherein the length of side on this length limit is 36.7mm.In addition, the size of this antenna body 12 further is shown in Fig. 2, and its unit is centimetre (mini-meter).
This receive 14 of interfaces be with this antenna body 12 in feed point 122 and the profile on this diamond shaped pentagonal two long limits conductive pattern of complementation mutually, it is the conductive region that is rectangle, the length of side of its long limit and minor face is respectively 99mm and 68mm, and center, the long limit of one is arranged with a corresponding zone over against this feed point 122 and to pentagonal each the long limit of this diamond shaped, make between pentagonal each the long limit of this reception interface 14 and diamond shaped and form an insulated wire section, this insulated wire section has a suitable width; In addition, be the center of circle with the feed point 122 of this antenna body 12, be to extend a fan-shaped insulation layer to antenna body 12 outsides again, this fan-shaped insulation layer connects aforementioned two insulated wire section.
Forming an output interface 142 on this reception interface 14 in addition is to be made in this reception interface 1
4 side can be sent to the outside signal that antenna body 12 is received this signal receiving and processing device 20 by this output interface 142.
For verifying the receiving efficiency of this flat plane antenna 10, see through the reflection loss (return loss) that the net analysis instrument measures this flat plane antenna 10, its result as shown in Figure 3, wherein, this flat plane antenna 10 is respectively in the reflection loss of 470MHz, 606.707MHz, 737.403MHz and 1GHz-5.932dB ,-17.161dB ,-20.582dB and-13.403dB, in view of the above, can verify that this flat plane antenna 10 has the effect that wideband receives.
Further, please refer to Fig. 4, Fig. 5 and Fig. 6, export the quality of this signal receiving and processing device 20 in order to promote this antenna body 12 to via this reception interface 14, can receive between the output interface 142 of interface 14 and this antenna body 12 at this and add an amplifying circuit 144 that utilizes micro wiring (micro-strip) to constitute.The outside signal that this amplifying circuit 144 can be received this antenna body 12 carries out the signal amplification after being fed to this reception interface 14, and the outside signal after then will amplifying again is passed to this output interface 142 and exports this signal receiving and processing device 20 again to.
[main element symbol description]
(10) flat plane antenna
(12) antenna body
(122) feed point
(14) receive interface
(142) output interface
(144) amplifying circuit
(20) signal receiving and processing device
Claims (7)
1. wide band plane antenna can receive an outside numerical digit television signal and is made on the printed circuit board (PCB), and it is characterized in that: described wide band plane antenna comprises:
One antenna body, it is the conduction collection of illustrative plates that is made on this printed circuit board surface, its profile be connected in series in regular turn one be inverted trapezoidal, an irregular hexagon and a diamond shaped pentagon, wherein the pentagonal top of this diamond shaped forms a feed point of this antenna body; And
One receives interface, it is the conduction collection of illustrative plates that is made in this printed circuit board surface, its profile is corresponding with the pentagonal profile of this diamond shaped of this antenna body, forms an output interface on this printed circuit board surface in addition, and this output interface is the intra-zone that is positioned at this reception interface.
2. wide band plane antenna as claimed in claim 1 is characterized in that: the length of side of long limit, two hypotenuses and a minor face that the inversion of this antenna body is trapezoidal is respectively 99.0mm, 38.5mm and 69.0mm; This irregular hexagonal one first limit and one second limit are parallel to each other, and this irregular hexagon is in the axle center mirror image symmetry that central point was linked to be on its first limit and second limit, make two first sides that are connected with this first limit and second limit, one end respectively and the length of side of two second sides be respectively 38.0mm and 49.5mm, wherein, this irregular hexagonal first limit is the trapezoidal minor face of this inversion, so its length of side is 69.0mm, and the length of side on this irregular hexagonal second limit is 29.0mm; The pentagonal profile of this diamond shaped is to this irregular hexagonal axle center mirror image symmetry, it comprises the two symmetrical mutually minor faces of a flat limit, two and the long limit of two mutual mirror image symmetries, this flat limit is this irregular hexagonal second limit, so its length of side is 29.0mm, and an end of two minor faces connects the two ends on this flat limit respectively, its length of side is 7.8mm, one end on this length limit then connects respectively and interconnects behind this two minor face and form a top, make this top form a feed point, wherein the length of side on this length limit is 36.7mm.
3. wide band plane antenna as claimed in claim 1 or 2, it is characterized in that: further form an amplifying circuit between this output interface and this antenna body feed point, this amplifying circuit is formed by micro wiring and the scalable signal that is sent to this reception interface from this antenna body.
4. wide band plane antenna as claimed in claim 3, it is characterized in that: this reception interface for this antenna body in feed point and the complementary mutually conductive pattern of profile on this diamond shaped pentagonal two long limits, it is the conductive region that is rectangle, the length of side of its long limit and minor face is respectively 99.0mm and 68.0mm, and center, the long limit of one is arranged with a corresponding zone over against this feed point and to pentagonal each the long limit of this diamond shaped, make between pentagonal each the long limit of this reception interface and diamond shaped and form an insulated wire section, this insulated wire section has a suitable width; And the feed point with this antenna body is the center of circle, is to extend a fan-shaped insulation layer to the antenna body outside again, and this fan-shaped insulation layer connects aforementioned two insulated wire section.
5. wide band plane antenna as claimed in claim 4 is characterized in that: this printed circuit board (PCB) is a double-layer printing circuit board.
6. wide band plane antenna as claimed in claim 4 is characterized in that: this printed circuit board (PCB) is the single-layer printed circuit plate.
7. wide band plane antenna as claimed in claim 4 is characterized in that: this outside numerical digit television signal frequency range is 470MHz～860MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201462380U CN201084821Y (en) | 2007-07-13 | 2007-07-13 | A broadband plane antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201462380U CN201084821Y (en) | 2007-07-13 | 2007-07-13 | A broadband plane antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201084821Y true CN201084821Y (en) | 2008-07-09 |
Family
ID=39627293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201462380U Expired - Lifetime CN201084821Y (en) | 2007-07-13 | 2007-07-13 | A broadband plane antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201084821Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270781A (en) * | 2010-06-07 | 2011-12-07 | 鸿富锦精密工业（深圳）有限公司 | Slot antenna |
| CN105071029A (en) * | 2015-03-17 | 2015-11-18 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Multiband magnetic monopole antenna |
-
2007
- 2007-07-13 CN CNU2007201462380U patent/CN201084821Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270781A (en) * | 2010-06-07 | 2011-12-07 | 鸿富锦精密工业（深圳）有限公司 | Slot antenna |
| CN102270781B (en) * | 2010-06-07 | 2013-10-09 | 鸿富锦精密工业（深圳）有限公司 | Slot antenna |
| CN105071029A (en) * | 2015-03-17 | 2015-11-18 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Multiband magnetic monopole antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |