CN107230828A - Miniaturization filtering is antenna integrated - Google Patents
Miniaturization filtering is antenna integrated Download PDFInfo
- Publication number
- CN107230828A CN107230828A CN201710251867.8A CN201710251867A CN107230828A CN 107230828 A CN107230828 A CN 107230828A CN 201710251867 A CN201710251867 A CN 201710251867A CN 107230828 A CN107230828 A CN 107230828A
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- CN
- China
- Prior art keywords
- microstrip line
- filtering
- miniaturization
- antenna integrated
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/108—Combination of a dipole with a plane reflecting surface
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- Details Of Aerials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Aerials (AREA)
Abstract
It is antenna integrated that the present invention discloses a kind of miniaturization filtering.Miniaturization filtering is antenna integrated including upper and lower surface, and upper surface includes the first microstrip line, rectangle resonant ring and the second microstrip line；The lower surface includes ground, the 3rd microstrip line and the 4th microstrip line.The present invention causes antenna to have filter effect by adding rectangle resonant ring in existing antenna；One reflector is constituted by ground so that antenna has the effect of orientation.
Description
Technical field
The present invention relates to frequency microwave communication technical field, more particularly to a kind of miniaturization filtering are antenna integrated.
Background technology
With the fast development of radio communication and electronic technology, the electronic equipment in system needs to meet a variety of need simultaneously
Will.In most of wireless communication systems, wave filter is typically directly connected on input or the output port of antenna.Wave filter and antenna
As two larger-size Primary Components, typically independent design, but used when wave filter and antenna are carried out cascade, it is past
It is past that impedance can be caused to lose matching.The match circuit for now needing introducing extra realizes impedance matching, and this causes system to answer
It is miscellaneous, increase weight, size and the loss of system.Therefore, wave filter and antenna are subjected to Integration Design, it is ensured that it radiates special
Property and filtering characteristic, constitute filter antenna, then have very important significance.
However, existing filtering is antenna integrated can not to ensure good radiation characteristic and filtering characteristic simultaneously.
The content of the invention
It is antenna integrated that the main object of the present invention provides a kind of miniaturization filtering, it is intended to solves existing filtering antenna integrated
Good radiation characteristic and the technical problem of filtering characteristic can not be ensured simultaneously.
To achieve the above object, the invention provides one kind miniaturization filtering it is antenna integrated, it is described miniaturization filtering it is integrated
Antenna includes upper and lower surface, and the upper and lower surface is printed on dielectric-slab, and the upper surface includes first
Microstrip line, rectangle resonant ring and the second microstrip line, the rectangle resonant ring are arranged between the first microstrip line and the second microstrip line；
Upper surface metallic vias is provided with second microstrip line；
The lower surface includes ground, the 3rd microstrip line and the 4th microstrip line；One end of 3rd microstrip line is set
For funnel type, the other end of the 3rd microstrip line is set to rectangle and is connected to form connection with the lower bottom end of the funnel type
Portion；The other end of 4th microstrip line and the 3rd microstrip line is arranged on the same line；Set on 4th microstrip line
It is equipped with the lower surface metal via matched with the upper surface metallic vias；
The upper surface of the antenna is golden through the upper surface metallic vias and lower surface by metal copper post with lower surface
Belong to via to be connected so that second microstrip line, the 3rd microstrip line and the 4th microstrip line collectively form dipole.
Preferably, first microstrip line and second microstrip line are " L-type " structure, including horizontal end and perpendicular end.
Preferably, the upper surface metallic vias is arranged at the horizontal end of second microstrip line away from the rectangle resonant ring
Termination.
Preferably, on the lower surface metal via is disposed in proximity to one end of the 3rd microstrip line connecting portion and is described
The corresponding position of surface metal via.
Preferably, the perpendicular end of first microstrip line and the perpendicular end of second microstrip line respectively with the rectangle resonant ring
Long side be arranged in parallel, the horizontal end of the horizontal end of first microstrip line and second microstrip line respectively with the rectangle resonant ring
Short side be arranged in parallel.
Preferably, the length at the perpendicular end of first microstrip line is identical with the length at the perpendicular end of second microstrip line, and
The length on the long side of respectively less than described rectangle resonant ring.
Preferably, horizontal end one end of first microstrip line is arranged at the upper surface left side edge of the dielectric-slab.
Preferably, the horizontal end width of the horizontal end of first microstrip line and second microstrip line is w1=1.75mm.
Preferably, the width of the 4th microstrip line is w1=1.75mm.
Preferably, the dielectric constant of the dielectric-slab is 3.66, and thickness is 0.762mm, and material is RO4350B.
Compared to prior art, miniaturization of the present invention filters antenna integrated use above-mentioned technical proposal, reached as
Lower technique effect：Miniaturization filtering of the present invention is antenna integrated, causes day by adding rectangle resonant ring in existing antenna
Line has filter effect, improves the filtering characteristic of antenna；One reflector is constituted by ground so that antenna has the effect of orientation
Really, the radiation characteristic of antenna is improved.
Brief description of the drawings
Fig. 1 is the upper surface geometry and scale diagrams of the antenna integrated preferred embodiment of present invention miniaturization filtering；
Fig. 2 is the lower surface geometry and scale diagrams of the antenna integrated preferred embodiment of present invention miniaturization filtering；
Fig. 3 is that the reflectance factor of emulation and the test of the antenna integrated preferred embodiment of present invention miniaturization filtering is imitated with gain
Fruit is schemed；
Fig. 4 filters the directional diagram of the emulation and test of antenna integrated preferred embodiment for present invention miniaturization.
The object of the invention is realized, functional characteristics and advantage will will in the lump join in embodiment part in conjunction with the embodiments
It is described further according to accompanying drawing.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that above-mentioned purpose is taken, below in conjunction with accompanying drawing
And preferred embodiment, embodiment, structure, feature and its effect to the present invention are described in detail.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Shown in reference picture 1, Fig. 2, Fig. 1 is the upper surface geometry knot of the antenna integrated preferred embodiment of present invention miniaturization filtering
Structure and scale diagrams；Fig. 2 is the lower surface geometry and size of the antenna integrated preferred embodiment of present invention miniaturization filtering
Schematic diagram.
In the present embodiment, the miniaturization filtering is antenna integrated is printed on dielectric-slab 00, the miniaturization filtering collection
Include upper and lower surface into antenna.The dielectric constant of the dielectric-slab 00 is preferably 3.66, and thickness is preferably 0.762mm,
Material is preferably RO4350B.
In the present embodiment, the antenna integrated upper surface of the miniaturization filtering includes the first microstrip line 10, rectangle resonance
The microstrip line 12 of ring 11 and second, the rectangle resonant ring 11 is arranged between the first microstrip line 10 and the second microstrip line 12.It is described
First microstrip line 10 and second microstrip line 12 are " L-type " structure, i.e., described first microstrip line 10 and second micro-strip
Line 12 includes horizontal end and perpendicular end.The perpendicular end of first microstrip line 10 and the perpendicular end of second microstrip line 12 respectively with it is described
The long side of rectangle resonant ring 11 be arranged in parallel, the length at the perpendicular end of first microstrip line 10 and second microstrip line 12 it is perpendicular
The length at end is respectively less than the length on the long side of the rectangle resonant ring 11, the length at the perpendicular end of first microstrip line 10 and described
The length at the perpendicular end of the second microstrip line 12 is identical.The horizontal end of first microstrip line 10 and the horizontal end of second microstrip line 12 point
Short side not with the rectangle resonant ring 11 be arranged in parallel.Horizontal end one end of first microstrip line 10 is arranged at the dielectric-slab
00 upper surface left side edge.Termination of the horizontal end of second microstrip line 12 away from the rectangle resonant ring 11 is provided with upper table
Face metallic vias 13.The upper surface of the antenna passes through the upper surface metallic vias 13 and the lower surface of antenna by metal copper post
Connect (as described below).
Specifically, the horizontal end width of the horizontal end of first microstrip line 10 and second microstrip line 12 is w1, it is described
The length at the horizontal end of the first microstrip line 10 is lc, the length at the perpendicular end of first microstrip line 10 is lb, first microstrip line 10
Perpendicular end width be wb, the rectangle resonant ring 11 is micro- close to the external diameter on the long side of first microstrip line 10 and described first
The distance between external diameter at perpendicular end with line 10 is wc, the rectangle resonant ring 11 is close to the long side of second microstrip line 12
The distance between external diameter at perpendicular end of external diameter and second microstrip line 12 is wc, the width on the long side of the rectangle resonant ring 11
For wa, the outer diameter length on the long side of the rectangle resonant ring 11 is la, between the internal diameter on two long sides of the rectangle resonant ring 11
Distance be wd。
With reference to shown in Fig. 2, the antenna integrated lower surface of the miniaturization filtering include ground 20, the 3rd microstrip line 21 and
4th microstrip line 22.The ground 20 is arranged at one end on the left of the lower surface of the dielectric-slab 00, constitutes reflector.The ground
20 width is l1, the length on the ground 20 is identical with the width of the dielectric-slab 00.One end of 3rd microstrip line 21
Funnel type 211 is set to, the upper aperture widths of the funnel type 211 are w3, the lower length of the funnel type is l2, it is described
The other end of 3rd microstrip line 21 is set to rectangle 212 and is connected to form connecting portion with the lower bottom end of the funnel type 211, institute
State connecting portion and set jagged 213, the breach 213 is set to triangle grading structure, is conducive to the matching of signal.Described 3rd
The length of the other end of microstrip line 21 is l3, the width of the other end of the 3rd microstrip line 21 is w1.4th microstrip line 22
It is arranged at the other end of the 3rd microstrip line 21 on the same line.4th microstrip line 22 is close to the 3rd microstrip line
One end of 21 connecting portions and it is correspondingly arranged on lower surface metal via 24 with the horizontal end port position of second microstrip line 12.Institute
The width for stating the 4th microstrip line 22 is w1。
The upper surface of the antenna and lower surface by a metal copper post through the upper surface metallic vias 13 and under
Surface metal via 24 is connected so that second microstrip line 12, the 3rd microstrip line 21 and the 4th microstrip line 22 are collectively formed
One dipole.
The embodiment of the present invention causes antenna to have good filter effect by adding rectangle resonant ring 11 in existing antenna；
One reflector is constituted by ground 20 so that antenna has the effect of orientation, possesses good radiation characteristic.
Illustrate the antenna integrated technique effect of present invention miniaturization filtering with reference to specific embodiment.With reference to the institute of table 1
Show, table 1 is the antenna integrated preferred embodiment parameter value of present invention miniaturization filtering.
The antenna integrated preferred embodiment parameter value of the present invention miniaturization filtering of table 1
As shown in figure 3, Fig. 3 is the reflection system of emulation and the test of the antenna integrated preferred embodiment of present invention miniaturization filtering
Number and gain effect figure.The preferred embodiment is from the parameter value shown in table 1.Emulation and measured result from Fig. 3 can be seen that
The antenna integrated reflectance factor of present invention miniaturization filtering | S11| have two resonance frequencies, respectively resonance in 2.35GHz and
2.45GHz.This is due to that the present invention is integrated with rectangle resonant ring on the basis of existing antenna, equivalent to being integrated with a bimodulus
The wave filter of high selectivity, because the value of parity mode is different, causes antenna to be embodied good with resonance on two frequency bins
Filtering characteristic.From Fig. 3 it can also be seen that surveyed antenna gain is flat in working band, the dramatic decrease outside working band, body
The high selectivity of antenna is showed.If removing rectangle resonant ring, directly connected with microstrip line, it can be seen that the not no filtering property of antenna
Can be with Out-of-band rejection performance.
As shown in figure 4, directions of the Fig. 4 for the emulation and test of the antenna integrated preferred embodiment of present invention miniaturization filtering
Figure.The preferred embodiment is from the parameter value shown in table 1.From fig. 4, it can be seen that the antenna of the present invention has orientation to imitate in y directions
Really, good radiation characteristic is embodied.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or the equivalent function conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. one kind miniaturization filtering it is antenna integrated, it is described miniaturization filtering it is antenna integrated including upper and lower surface, it is described on
Surface and lower surface are printed on dielectric-slab, it is characterised in that：
The upper surface includes the first microstrip line, rectangle resonant ring and the second microstrip line, and the rectangle resonant ring is arranged at first
Between microstrip line and the second microstrip line；Upper surface metallic vias is provided with second microstrip line；
The lower surface includes ground, the 3rd microstrip line and the 4th microstrip line；One end of 3rd microstrip line is set to Lou
Bucket type, the other end of the 3rd microstrip line is set to rectangle and is connected to form connecting portion with the lower bottom end of the funnel type；
The other end of 4th microstrip line and the 3rd microstrip line is arranged on the same line；It is provided with 4th microstrip line
The lower surface metal via matched with the upper surface metallic vias；
The upper surface of the antenna passes through the upper surface metallic vias and lower surface metal mistake with lower surface by metal copper post
Hole is connected so that second microstrip line, the 3rd microstrip line and the 4th microstrip line collectively form dipole.
2. miniaturization filtering as claimed in claim 1 is antenna integrated, it is characterised in that first microstrip line and described second
Microstrip line is " L-type " structure, including horizontal end and perpendicular end.
3. miniaturization filtering as claimed in claim 2 is antenna integrated, it is characterised in that the upper surface metallic vias is arranged at
Termination of the horizontal end of second microstrip line away from the rectangle resonant ring.
4. miniaturization filtering as claimed in claim 3 is antenna integrated, it is characterised in that the lower surface metal via is arranged at
Close to one end and position corresponding with the upper surface metallic vias of the 3rd microstrip line connecting portion.
5. miniaturization filtering as claimed in claim 2 is antenna integrated, it is characterised in that the perpendicular end of first microstrip line and institute
State long side of the perpendicular end of the second microstrip line respectively with the rectangle resonant ring to be arranged in parallel, the horizontal end of first microstrip line and institute
Short side of the horizontal end of the second microstrip line respectively with the rectangle resonant ring is stated to be arranged in parallel.
6. miniaturization filtering as claimed in claim 2 is antenna integrated, it is characterised in that the length at the perpendicular end of first microstrip line
Degree is identical with the length at the perpendicular end of second microstrip line, and the length on the long side of respectively less than described rectangle resonant ring.
7. miniaturization filtering as claimed in claim 2 is antenna integrated, it is characterised in that horizontal end one end of first microstrip line
It is arranged at the upper surface left side edge of the dielectric-slab.
8. miniaturization filtering as claimed in claim 2 is antenna integrated, it is characterised in that the horizontal end of first microstrip line and institute
The horizontal end width for stating the second microstrip line is w1=1.75mm.
9. miniaturization filtering as claimed in claim 1 is antenna integrated, it is characterised in that the width of the 4th microstrip line is w1
=1.75mm.
10. the miniaturization filtering as described in claim any one of 1-9 is antenna integrated, it is characterised in that Jie of the dielectric-slab
Electric constant is 3.66, and thickness is 0.762mm, and material is RO4350B.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251867.8A CN107230828A (en) | 2017-04-15 | 2017-04-15 | Miniaturization filtering is antenna integrated |
| PCT/CN2017/107197 WO2018188305A1 (en) | 2017-04-15 | 2017-10-21 | Miniature integrated filter antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251867.8A CN107230828A (en) | 2017-04-15 | 2017-04-15 | Miniaturization filtering is antenna integrated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107230828A true CN107230828A (en) | 2017-10-03 |
Family
ID=59933640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251867.8A Withdrawn CN107230828A (en) | 2017-04-15 | 2017-04-15 | Miniaturization filtering is antenna integrated |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107230828A (en) |
| WO (1) | WO2018188305A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188303A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Integrated filter antenna |
| WO2018188302A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | High-gain filter antenna |
| WO2018188305A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Miniature integrated filter antenna |
| CN109066062A (en) * | 2018-07-11 | 2018-12-21 | 南通大学 | A kind of band-like diectric antenna of miniaturization filtering |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0918203A (en) * | 1995-06-30 | 1997-01-17 | Nec Corp | Polar band pass filter |
| CN102800951A (en) * | 2012-08-06 | 2012-11-28 | 哈尔滨工业大学 | Printed Yagi antenna of vibrator loading type balance microstrip line feed |
| CN105070985A (en) * | 2015-07-21 | 2015-11-18 | 天津大学 | High-dielectric-constant ceramics-based microstrip dual-bandpass filter |
| CN105186118A (en) * | 2015-08-10 | 2015-12-23 | 哈尔滨工业大学 | Printed quasi-yagi antenna with parabolic boundary reflector |
| CN105449379A (en) * | 2015-11-30 | 2016-03-30 | 华南理工大学 | Filtering antenna capable of restraining high frequency harmonic waves |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4171015B2 (en) * | 2005-09-29 | 2008-10-22 | 株式会社東芝 | Filter and wireless communication apparatus using the same |
| CN107069203A (en) * | 2017-04-15 | 2017-08-18 | 深圳市景程信息科技有限公司 | Miniaturization high-gain filtering is antenna integrated |
| CN206619693U (en) * | 2017-04-15 | 2017-11-07 | 深圳市景程信息科技有限公司 | Filtering is antenna integrated |
| CN107230828A (en) * | 2017-04-15 | 2017-10-03 | 深圳市景程信息科技有限公司 | Miniaturization filtering is antenna integrated |
-
2017
- 2017-04-15 CN CN201710251867.8A patent/CN107230828A/en not_active Withdrawn
- 2017-10-21 WO PCT/CN2017/107197 patent/WO2018188305A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0918203A (en) * | 1995-06-30 | 1997-01-17 | Nec Corp | Polar band pass filter |
| CN102800951A (en) * | 2012-08-06 | 2012-11-28 | 哈尔滨工业大学 | Printed Yagi antenna of vibrator loading type balance microstrip line feed |
| CN105070985A (en) * | 2015-07-21 | 2015-11-18 | 天津大学 | High-dielectric-constant ceramics-based microstrip dual-bandpass filter |
| CN105186118A (en) * | 2015-08-10 | 2015-12-23 | 哈尔滨工业大学 | Printed quasi-yagi antenna with parabolic boundary reflector |
| CN105449379A (en) * | 2015-11-30 | 2016-03-30 | 华南理工大学 | Filtering antenna capable of restraining high frequency harmonic waves |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188303A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Integrated filter antenna |
| WO2018188302A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | High-gain filter antenna |
| WO2018188305A1 (en) * | 2017-04-15 | 2018-10-18 | 深圳市景程信息科技有限公司 | Miniature integrated filter antenna |
| CN109066062A (en) * | 2018-07-11 | 2018-12-21 | 南通大学 | A kind of band-like diectric antenna of miniaturization filtering |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018188305A1 (en) | 2018-10-18 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171003 |