CN109841950A - Wideband filtered antenna - Google Patents
Wideband filtered antenna Download PDFInfo
- Publication number
- CN109841950A CN109841950A CN201910247294.0A CN201910247294A CN109841950A CN 109841950 A CN109841950 A CN 109841950A CN 201910247294 A CN201910247294 A CN 201910247294A CN 109841950 A CN109841950 A CN 109841950A
- Authority
- CN
- China
- Prior art keywords
- substrate
- antenna
- type groove
- follows
- metal patch
- 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.)
- Withdrawn
Links
Landscapes
- Waveguide Aerials (AREA)
Abstract
This application involves a kind of wideband filtered antennas, comprising: the first substrate is fitted in the metal patch of the first substrate one side, is fitted in the earth plate of the first substrate another side, the feed structure connecting with the metal patch；The metal patch is provided with U-type groove, and the U-type groove is used for spreading antenna bandwidth；Alternatively, the wideband filtered antenna further include: the second substrate being bonded with the earth plate, the hairpin resonator being bonded with second substrate；Wherein, second substrate is used for spreading antenna bandwidth.Antenna can be equivalent at a simple circuit LC, slot or using multilayered structure by way of, inductance of having connected can be equivalent to, inductance increases, and the resonance frequency of antenna reduces, and bandwidth increases.
Description
Technical field
This application involves field of wireless communication devices more particularly to a kind of wideband filtered antennas.
Background technique
Antenna is an inalienable part in modern wireless communication systems, mainly acts on the radiation for realizing electric wave
It is operated with receiving.The one kind of microstrip antenna as antenna is to enclose thin metal layer conduct on one side on a thin-medium substrate and connect
Floor, another side enclose metal patch, the antenna constituted using microstrip line or coaxial probe to patch.Microstrip antenna is with it
It is light-weight, can it is conformal, easy of integration, obtain more favors convenient for the advantages of matching, however the frequency bandwidth of general microstrip antenna compared with
Narrow, this narrow disadvantage of frequency bandwidth constrains its development.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the application provides a kind of wideband filtered day
Line.
The scheme of the application is as follows:
A kind of wideband filtered antenna, comprising: the first substrate is fitted in the metal patch of the first substrate one side, fitting
In the earth plate of the first substrate another side, the feed structure being connect with the metal patch；
The metal patch is provided with U-type groove, and the U-type groove is used for spreading antenna bandwidth；Alternatively,
The wideband filtered antenna further include: the second substrate being bonded with the earth plate is bonded with second substrate
Hairpin resonator；Wherein, second substrate is used for spreading antenna bandwidth.
Preferably, in a kind of achievable mode of the application, wide, the institute vertical with the length of the U-type groove of the U-type groove
State the size of U-type groove are as follows:
Groove width: between 1.3mm-1.7mm；
U-type groove width: between 12mm-14mm；
U-type groove length: between 15mm-17mm.
Preferably, in a kind of achievable mode of the application, the size of the U-type groove is the ruler according to different U-type grooves
What very little corresponding antenna reflection coefficient influence curve analogous diagram obtained.
Preferably, in a kind of achievable mode of the application,
The dielectric constant of first substrate are as follows: between 4.3-4.5；
Thickness are as follows: between 3.45mm-3.55mm；
Loss angle tangent are as follows: between 0.024-0.026；
Size are as follows: between 69mm*69mm-71mm*71mm；
The metal patch is rectangle, the size of the metal patch are as follows:
Length: between 35mm-37mm；
Width: between 25mm-27mm；
The U-type groove is arranged in the metal patch center；
The width of the U-type groove is parallel with the length of the metal patch；
The length of the U-type groove is parallel with the width of the metal patch.
Preferably, in a kind of achievable mode of the application, the resonance frequency of the hairpin resonator is 2.4GHz,
The size of the hairpin resonator are as follows:
Hair clip arm lengths: between 17mm-18mm；
Spacing between hair clip arm: between 3.35mm-3.37mm,
Hair clip arm width: between 1.7mm-1.9mm.
Preferably, in a kind of achievable mode of the application, the dielectric of first substrate and second substrate is normal
Number are as follows: between 3.4-3.5；
Size are as follows: between 49mm*49mm-51mm*51mm；
Thickness are as follows: between 1.5mm-1.6mm；
The metal patch is rectangle, the size of the metal patch are as follows:
Length: between 39mm-40mm；
Width: between 31mm-32mm.
Preferably, in a kind of achievable mode of the application, the feed structure is coaxial feeding structure；
The metal patch is additionally provided with feeding point；
Have in first substrate, the earth plate and second substrate and extends vertically through first substrate, described
The through-hole of earth plate and second substrate, the position of the through-hole are corresponding with the feeding point；
The coaxial feeding structure includes: coaxial line, and described coaxial line one end has probe；
There is one end of probe to pass through the through-hole and make the probe and the feed point contact for the coaxial line.
Preferably, in a kind of achievable mode of the application, the feeding point is arranged at the patch center.
Preferably, in a kind of achievable mode of the application, the design input impedance condition value of the coaxial line is 50
Ω。
Preferably, in a kind of achievable mode of the application, the metal patch includes: radiation patch and parasitic patch
Piece.
Technical solution provided by the present application can include the following benefits:
In wideband filtered antenna, by the first substrate, it is fitted in the metal patch of the first substrate one side, is fitted in institute
The earth plate of the first substrate another side is stated, the feed structure connecting with the metal patch constitutes microstrip antenna.It is pasted in metal
U-type groove is arranged on piece, can be equivalent at a simple circuit LC by antenna, after fluting, the current path quilt in metal patch
Extend, be equivalent to inductance of having connected in circuit, inductance increases, and the resonance frequency of antenna reduces, and bandwidth increases.Alternatively,
Wideband filtered antenna further include: the second substrate being bonded with the earth plate, the hair clip type resonance being bonded with second substrate
Device；Wherein, second substrate is used for spreading antenna bandwidth.It is bonded the second substrate in the another side of earth plate, is corresponded again to
It has connected in circuit an inductance, inductance increases, and the resonance frequency of antenna reduces, and bandwidth increases.Due to being also provided with hair clip
Type resonator, has been equivalent in the circuit LC a resonant tank in parallel, keeps the filtering performance of antenna more excellent.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is a kind of front view for wideband filtered antenna that the application one embodiment provides；
Fig. 2 is a kind of sectional view for wideband filtered antenna that the application one embodiment provides；
Fig. 3 is a kind of structure chart for wideband filtered antenna that another embodiment of the application provides；
Fig. 4 is a kind of sectional view for wideband filtered antenna that another embodiment of the application provides；
Fig. 5 is a kind of top view of the U-type groove for wideband filtered antenna that the application one embodiment provides.
Appended drawing reference: the first substrate of 1-；2- metal patch；3-U type groove；4- feed structure；5- earth plate；The second base of 6-
Piece；7- hairpin resonator；
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
- Fig. 4 referring to Fig.1, a kind of wideband filtered antenna, comprising: the first substrate 1 is fitted in the metal of 1 one side of the first substrate
Patch 2 is fitted in the earth plate 5 of 1 another side of the first substrate, the feed structure 4 connecting with metal patch 2；
Metal patch 2 is provided with U-type groove 3, and U-type groove 3 is used for spreading antenna bandwidth；Alternatively,
Wideband filtered antenna further include: the second substrate 6 being bonded with earth plate 5, the hair clip type being bonded with the second substrate 6 are humorous
Shake device 7；Wherein, the second substrate 6 is used for spreading antenna bandwidth.
In the prior art, spreading antenna bandwidth generally comprises following manner:
(1) using thick dielectric-slab
(2) additional impedance matching network
(3) grooving techniques are utilized
(4) multilayered structure is used
- Fig. 2 referring to Fig.1, the wideband filtered antenna in the present embodiment are provided and a kind of are pasted in metal based on microstrip antenna
The microstrip antenna of U-type groove 3 is set on piece 2, that is, utilizes grooving techniques spread bandwidth.In wideband filtered antenna, pass through the first substrate
1, it is fitted in the metal patch 2 of 1 one side of the first substrate, the earth plate 5 of 1 another side of the first substrate is fitted in, with institute
The feed structure 4 for stating the connection of metal patch 2 constitutes microstrip antenna.U-type groove 3 is set on metal patch 2, it can be by antenna etc.
Imitate into the simple circuit LC, after fluting, the current path in metal patch 2 is extended, and is equivalent to and is connected in circuit
One inductance, inductance increase, and the resonance frequency of antenna reduces, and bandwidth increases.
Referring to Fig. 3-Fig. 4, wideband filtered antenna in the present embodiment additionally provides a kind of broadband using multilayered structure and filters
Wave antenna.It, which can be equivalent to, contains a upper layer microstrip antenna and lower layer's hairpin resonator 7.Second substrate 6 is made
For increased patch layer, antenna is made to form multilayered structure, is bonded the second substrate 6 in the another side of earth plate 5, corresponds again to
It has connected in circuit an inductance, inductance increases, and the resonance frequency of antenna reduces, and bandwidth increases.Due to being also provided with hair clip
Type resonator 7, has been equivalent in the circuit LC a resonant tank in parallel, keeps the filtering performance of antenna more excellent.
Embodiment 1:
Referring to Fig.1, the length of Fig. 2 and Fig. 5, the wideband filtered antenna in some embodiments, the wide and U-type groove 3 of U-type groove 3 are hung down
Directly, the size of U-type groove 3 are as follows:
Groove width: between 1.3mm-1.7mm；
3 width of U-type groove: between 12mm-14mm；
3 length of U-type groove: between 15mm-17mm.
Referring to Fig. 5, the groove width of U-type groove 3 indicates that 3 width of U-type groove is indicated with V with T, and 3 length of U-type groove is indicated with L.
For microstrip antenna, slot of different shapes is opened on metal patch 2, can be equivalent to draw by these slots
Enter impedance matching element, the change of microstrip antenna radiation condition and impedance operator can be effectively realized based on corresponding slot.
For wideband filtered antenna in the present embodiment in production, the first step is to carry out the medium substrate i.e. sieve of the first substrate 1
Choosing, needs reasonably to determine its material and thickness.In general, thin metal layer and advantage corresponding compared with thick metal layers are respectively
It is easy to manufacture and convenient for welding.If the medium substrate screened has lower electric constant, radiation fringing field can be realized at this time
Enhancing, it can realize increaseing accordingly for bandwidth thus.In the thickness screening for carrying out medium version, as its thickness increases, also can
Bandwidth and the synchronous of loss is caused to increase.
On the basis of carrying out choosing comprehensively to the factors such as bandwidth and efficiency or even cost of manufacture, the present embodiment is adopted
First substrate 1 is FR4 substrate.
The parameter of first substrate 1 is as follows:
Dielectric constant are as follows: between 4.3-4.5；
Thickness are as follows: between 3.45mm-3.55mm；
Loss angle tangent are as follows: between 0.024-0.026；
Size are as follows: between 69mm*69mm-71mm*71mm；
Correspondingly, the parameter of metal patch 2 is as follows:
Metal patch 2 is rectangle, the size of metal patch 2 are as follows:
Length: between 35mm-37mm；
Width: between 25mm-27mm；
Referring to Fig.1, the setting corresponding relationship of U-type groove 3 and metal patch 2 are as follows:
U-type groove 3 is arranged at 2 center of metal patch；
The length of wide and metal patch 2 of U-type groove 3 is parallel；
The length of U-type groove 3 is parallel with the width of metal patch 2.
It is designed in this way, distribution of the U-type groove 3 on metal patch 2 can be made average.
In the present embodiment, various emulation are carried out by the wideband filtered antenna completed to design and show whether it meets extension
The requirement of bandwidth.
To wideband filtered antenna in 3.2GHz, 3.5GHz, 3.7GHz and 4GHz working frequency is imitated respectively on position
Very, the distribution results of 2 surface current of metal patch obtained.It is learnt by contrast simulation result, when operating frequency of antenna is in
When 3.2GHz, electric current is mainly distributed on fluting nearby and in bottom patch, couples between patch point and fluting gap
Current strength is quite strong, and when Antenna Operation is in 4GHz, electric current, which is mainly distributed on, entirely to crack in gap.It is main to be circulated by circuit
Different paths motivate frequency resonant point.
To progress of the wideband filtered antenna on the tetra- working frequency positions 3.2GHz, 3.5GHz, 3.7GHz and 4GHz
3D Direction Pattern Simulation.The 3D antenna pattern of comparison antenna is learnt, because earth plate 5 has reflection in wideband filtered antenna
Effect, causes antenna also thus and will receive certain influence.Antenna pattern is in the top of antenna, and radiance is good.?
There is the appearance of the case where recess at certain frequencies, radiation intensity is caused to cut down, but this can't produce entire radiation signal ability
Raw big influence, can agree with preset requirement substantially.
It is learnt by 3D Direction Pattern Simulation, antenna maximum gain is 7.8dB, has and is capable of omnidirectional's reception ambient radiation signal
Ability, the antenna in embodiment substantially meet the requirement of practical application.
The emulation for carrying out the directional diagram in the face antenna E, the face H show that radiation of the antenna at the different frequent points on Main way is strong
Degree is there is no weakening, and small part region has recess but has no effect on the upward radiance of antenna, with antenna frequencies
Increase, the radiation on antenna Main way is constantly enhancing.
The return loss characteristic of antenna is emulated, return loss characteristic S is obtained11< 10dB, simulation bandwidth 3.02
~3.82GHz, frequency bandwidth have reached 23.5%, meet the requirement of spread bandwidth well.
In the present embodiment, the size of U-type groove 3 is to influence song according to the corresponding antenna reflection coefficient of size of different U-type grooves 3
Line analogous diagram obtains.
To three parameters of U-type groove 3: groove width, 3 width of U-type groove and 3 length of U-type groove are emulated respectively.
From 12mm-14mm, 3 width of sweep parameter U-type groove obtains 3 width of U-type groove to the song of the reflective index impacts of antenna
Line variation diagram.With increase of 3 width of U-type groove from 12mm to 14mm, antenna, toward low frequency offset, reflects simultaneously in low-frequency resonant point
Coefficient is deteriorated, but the influence to high frequency treatment resonance point is unobvious.To bandwidth, reflectance value and resonance point position in frequency band
Etc. factors choosing comprehensively, most preferred 3 width value of U-type groove be 13mm.
From 1.3mm-1.7mm, sweep parameter groove width obtains 3 groove width of U-type groove to the reflective index impacts of antenna
Curvilinear motion figure.With increase of the groove width from 1.3mm to 1.7mm, antenna does not almost change in low-frequency resonant point, echo
Loss is become better and better, but the past high frequency displacement with the increase of groove width at high-frequency resonant point.Comprehensively consider entire frequency band
The position of interior bandwidth, reflectance value and resonance point, most preferred groove width are 1.5mm.
From 15mm-17mm, 3 length of sweep parameter U-type groove obtains 3 length of U-type groove to the song of the reflective index impacts of antenna
Line variation diagram.As 3 length of U-type groove constantly increases from 15mm to 17mm, antenna does not almost change in low-frequency resonant point, echo damage
Instead worse and worse, but in the increase with 3 length of U-type groove, high-frequency resonant point is toward low frequency offset for consumption.Comprehensively consider entire frequency
Position with interior bandwidth, reflectance value and resonance point, most preferred 3 length value of U-type groove are 16mm.
In the present embodiment, the first substrate 1 of high dielectric constant has been selected first, by opening 3 structure of U-type groove, increasing substrate
Dielectric constant extends the bandwidth of antenna, because of the filter response that microstrip antenna itself has, which is not necessarily to additional
Filter circuit.It compared the different length and width of slot, influence of the spacing to antenna return loss simultaneously, calculated optimal wideband filtered
The structure of antenna obtains bandwidth 23.5%, and apparent bandpass filtering response after emulation.
A kind of 3 parameter of U-type groove of optimal wideband filtered antenna is provided in the present embodiment:
Groove width: 1.5mm；
3 width value of U-type groove: 13mm；
3 length value of U-type groove: 16mm.
Embodiment 2:
Referring to Fig. 3-Fig. 4, wideband filtered antenna in some embodiments, the resonance frequency of hairpin resonator 7 is
2.4GHz, the size of hairpin resonator 7 are as follows:
Hair clip arm lengths: between 17mm-18mm；
Spacing between hair clip arm: between 3.35mm-3.37mm,
Hair clip arm width: between 1.7mm-1.9mm.
The dielectric constant of first substrate 1 and the second substrate 6 are as follows: between 3.4-3.5；
Size are as follows: between 49mm*49mm-51mm*51mm；
Thickness are as follows: between 1.5mm-1.6mm；
Metal patch 2 is rectangle, the size of metal patch 2 are as follows:
Length: between 39mm-40mm；
Width: between 31mm-32mm.
In view of the bandwidth and efficiency and cost of manufacture of antenna, first substrate 1 and the second substrate 6 of the present embodiment are to be situated between
The Rogers substrate that electric constant is 3.48.
Antenna two dimension three-dimensional figure is emulated and analyzed.
The three-dimensional figure of stacked antenna and single layer antenna in 2.4GHz is compared, antenna maximum gain is 6dBi, substantially
Reach the requirement of day pair gain.
The face antenna E, the face H are emulated and analyzed.
The face E in 2.4GHz of stacked antenna and single layer antenna, the face H analogous diagram are compared, can more directly obtain antenna
Radiation intensity at the different frequent points on Main way does not change too obvious, and the highest-gain of antenna is not reduced, few
There is recess but have no effect on the upward radiance of antenna in partial region.Downward in the aft antenna that filter is added simultaneously
Radiation is obvious to be weakened, and radiation efficiency is made to get a promotion.
Antenna return loss analysis:
The return loss result figure of multi-layer filtering antenna and single layer paster antenna in 2.4GHz is emulated.It obtains more
Layer filter antenna bandwidth is obviously increased compared to the bandwidth of original antenna, and bandwidth is about 10.8%, meets antenna broadening bandwidth
Performance indicator, and return loss is substantially reduced, and has more excellent radiance.The band logical selection of antenna is also obtained simultaneously
It is functional.
The gain of antenna is emulated, show that the gain of antenna gradually increases as working frequency constantly increases, is increased
Beneficial curve is comparatively flat, and reaching maximum gain to 2.65GHz is 6dBi, then starts gradually to be snapped down to 2.95GHz again,
Gain is obviously reduced after 2.95GHz.
In the present embodiment, the design principle of filter antenna is similar to Filter Principle, using multilayer technique and reduces substrate
Dielectric constant reduces antenna Q value, extends the bandwidth of antenna, obviously not compared to most of its bandwidth of wideband filtered antenna
Foot, but bandwidth about 10.8% still solve broadening bandwidth the technical issues of, and antenna band-pass filtering property performance
Clearly.The beneficial effect of the present embodiment, which also resides in, to utilize the band of broadband technology extension paster antenna on this basis
Width designs the high multilayer wideband filtered paster antenna of new a broadband adaptability.
Embodiment 3:
The selection of feed structure 4.
Feed structure 4 includes following several:
(1) feed microstrip line is used
(2) coaxial feeding is used
(3) coplanar wave guide feedback
(4) electromagnetic coupling is fed
In the present embodiment, several feeding classifications are compared, have selected most suitable the present embodiment middle width strip filter antenna
Coaxial feeding mode.
Feed structure 4 in the present embodiment is coaxial feeding structure 4；
Metal patch 2 is additionally provided with feeding point；
Have in first substrate 1, earth plate 5 and the second substrate 6 and extends vertically through the first substrate 1, earth plate 5 and the second substrate
The position of 6 through-hole, through-hole is corresponding with feeding point；
Coaxial feeding structure 4 includes: coaxial line, and coaxial line one end has probe；
There is one end of probe to pass through through-hole and make probe and feed point contact for coaxial line.
Its position is more flexible, any position in patch.In the layout for carrying out coaxial cable, mainly connecing
The lower section on floor 5 is laid out, so will not have large effect to aerial radiation.
Further, feeding point is arranged at patch center.Make feed more evenly, feed effect is more preferable.
Further, the design input impedance condition value of coaxial line is 50 Ω.50 Ω are setting for more common coaxial line
Count input impedance.
Further, antenna is fed using back feed type.The probe of coaxial feed 4 is bonded the first base with metal patch 2
The face contact of piece 1.
Embodiment 4:
Wideband filtered antenna in some embodiments, metal patch 2 include: radiation patch and parasitic patch.
Metal patch 2 generally only includes radiation patch.
The bandwidth for widening antenna can also be by increasing parasitic patch in the radiation patch of script.Parasitic patch and radiation
The material of patch is identical, and size should be roughly the same.Parasitic patch can form resonant tank in antennas, be equivalent to appearance 2
Resonance point has just widened the bandwidth of antenna when the resonance frequency of resonant tank and close antenna resonance frequency itself.
The dielectric constant of parasitic patch wants slightly larger.
Meanwhile radiation patch, in fluting, correspondence is slotted in parasitic patch.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of wideband filtered antenna characterized by comprising the first substrate is fitted in the metal of the first substrate one side
Patch is fitted in the earth plate of the first substrate another side, the feed structure connecting with the metal patch；
The metal patch is provided with U-type groove, and the U-type groove is used for spreading antenna bandwidth；Alternatively,
The wideband filtered antenna further include: the second substrate being bonded with the earth plate, the hair being bonded with second substrate
Clip-type resonator；Wherein, second substrate is used for spreading antenna bandwidth.
2. wideband filtered antenna according to claim 1, which is characterized in that the width and the length of the U-type groove of the U-type groove
Vertically, the size of the U-type groove are as follows:
Groove width: between 1.3mm-1.7mm；
U-type groove width: between 12mm-14mm；
U-type groove length: between 15mm-17mm.
3. wideband filtered antenna according to claim 2, which is characterized in that the size of the U-type groove is according to different U-shaped
The corresponding antenna reflection coefficient influence curve analogous diagram of the size of slot obtains.
4. wideband filtered antenna according to claim 3, which is characterized in that
The dielectric constant of first substrate are as follows: between 4.3-4.5；
Thickness are as follows: between 3.45mm-3.55mm；
Loss angle tangent are as follows: between 0.024-0.026；
Size are as follows: between 69mm*69mm-71mm*71mm；
The metal patch is rectangle, the size of the metal patch are as follows:
Length: between 35mm-37mm；
Width: between 25mm-27mm；
The U-type groove is arranged in the metal patch center；
The width of the U-type groove is parallel with the length of the metal patch；
The length of the U-type groove is parallel with the width of the metal patch.
5. wideband filtered antenna according to claim 1, which is characterized in that the resonance frequency of the hairpin resonator is
2.4GHz, the size of the hairpin resonator are as follows:
Hair clip arm lengths: between 17mm-18mm；
Spacing between hair clip arm: between 3.35mm-3.37mm,
Hair clip arm width: between 1.7mm-1.9mm.
6. wideband filtered antenna according to claim 5, which is characterized in that first substrate and second substrate
Dielectric constant are as follows: between 3.4-3.5；
Size are as follows: between 49mm*49mm-51mm*51mm；
Thickness are as follows: between 1.5mm-1.6mm；
The metal patch is rectangle, the size of the metal patch are as follows:
Length: between 39mm-40mm；
Width: between 31mm-32mm.
7. wideband filtered antenna according to claim 1-6, which is characterized in that the feed structure is coaxial line
Feed structure；
The metal patch is additionally provided with feeding point；
Have in first substrate, the earth plate and second substrate and extends vertically through first substrate, the ground connection
The through-hole of plate and second substrate, the position of the through-hole are corresponding with the feeding point；
The coaxial feeding structure includes: coaxial line, and described coaxial line one end has probe；
There is one end of probe to pass through the through-hole and make the probe and the feed point contact for the coaxial line.
8. wideband filtered antenna according to claim 7, which is characterized in that the feeding point is arranged in the patch
The heart.
9. wideband filtered antenna according to claim 7, which is characterized in that the design input impedance condition of the coaxial line
Value is 50 Ω.
10. wideband filtered antenna according to claim 1, which is characterized in that the metal patch include: radiation patch and
Parasitic patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247294.0A CN109841950A (en) | 2019-03-29 | 2019-03-29 | Wideband filtered antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247294.0A CN109841950A (en) | 2019-03-29 | 2019-03-29 | Wideband filtered antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109841950A true CN109841950A (en) | 2019-06-04 |
Family
ID=66886458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910247294.0A Withdrawn CN109841950A (en) | 2019-03-29 | 2019-03-29 | Wideband filtered antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109841950A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342223A (en) * | 2020-03-06 | 2020-06-26 | 内蒙古显鸿科技股份有限公司 | Underground antenna device and communication system |
| CN112542688A (en) * | 2020-11-27 | 2021-03-23 | 歌尔科技有限公司 | Microstrip antenna and terminal equipment |
| CN112688067A (en) * | 2020-12-15 | 2021-04-20 | 加特兰微电子科技(上海)有限公司 | Complex dielectric constant measuring method, radio frequency device, integrated circuit, and radio device |
| CN113131208A (en) * | 2021-04-22 | 2021-07-16 | 歌尔股份有限公司 | Multi-band microstrip antenna and equipment |
| CN116666949A (en) * | 2023-06-07 | 2023-08-29 | 广东工业大学 | Resonant body coupling enhanced photoconductive antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533939A (en) * | 2009-04-09 | 2009-09-16 | 山西大学 | Collaboratively designed double frequency-band antenna-filter device |
| CN204375916U (en) * | 2014-12-18 | 2015-06-03 | 哈尔滨飞羽科技有限公司 | A kind of Novel Ultra Wideband Antenna based on U-type groove |
-
2019
- 2019-03-29 CN CN201910247294.0A patent/CN109841950A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533939A (en) * | 2009-04-09 | 2009-09-16 | 山西大学 | Collaboratively designed double frequency-band antenna-filter device |
| CN204375916U (en) * | 2014-12-18 | 2015-06-03 | 哈尔滨飞羽科技有限公司 | A kind of Novel Ultra Wideband Antenna based on U-type groove |
Non-Patent Citations (1)
| Title |
|---|
| 张琼: "探针馈电贴片天线的建模及滤波天线设计", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342223A (en) * | 2020-03-06 | 2020-06-26 | 内蒙古显鸿科技股份有限公司 | Underground antenna device and communication system |
| CN112542688A (en) * | 2020-11-27 | 2021-03-23 | 歌尔科技有限公司 | Microstrip antenna and terminal equipment |
| CN112542688B (en) * | 2020-11-27 | 2022-07-19 | 歌尔科技有限公司 | Microstrip antenna and terminal equipment |
| CN112688067A (en) * | 2020-12-15 | 2021-04-20 | 加特兰微电子科技(上海)有限公司 | Complex dielectric constant measuring method, radio frequency device, integrated circuit, and radio device |
| CN112688067B (en) * | 2020-12-15 | 2023-02-21 | 加特兰微电子科技(上海)有限公司 | Complex dielectric constant measuring method, radio frequency device, integrated circuit, and radio device |
| CN113131208A (en) * | 2021-04-22 | 2021-07-16 | 歌尔股份有限公司 | Multi-band microstrip antenna and equipment |
| CN116666949A (en) * | 2023-06-07 | 2023-08-29 | 广东工业大学 | Resonant body coupling enhanced photoconductive antenna |
| CN116666949B (en) * | 2023-06-07 | 2024-05-28 | 广东工业大学 | Resonant body coupling enhanced photoconductive antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109841950A (en) | Wideband filtered antenna | |
| US7113133B2 (en) | Dual-band inverted-F antenna with a branch line shorting strip | |
| US7183980B2 (en) | Inverted-F antenna | |
| US9190719B2 (en) | Multiband antenna | |
| US7800543B2 (en) | Feed-point tuned wide band antenna | |
| EP1401050A1 (en) | Internal antenna | |
| US20080198089A1 (en) | Coupling antenna | |
| US20060109179A1 (en) | Antenna device | |
| TW200950363A (en) | Single cable antenna module for laptop computer and mobile devices | |
| US20110241950A1 (en) | Combination antenna and methods | |
| CN107968256A (en) | A kind of small-size multifunction antenna | |
| CN111428427A (en) | Conformal microwave antenna design and radiation characteristic modeling method | |
| CN110112558A (en) | A kind of four frequency range monopole antenna of compact based on coplanar wave guide feedback | |
| US20090243937A1 (en) | Two-tier wide band antenna | |
| CN104617395A (en) | Multi-band dielectric resonance cell phone terminal antenna | |
| US9419336B2 (en) | Compact broadband antenna | |
| CN210926320U (en) | Filtering dipole antenna applied to Sub-6GHz frequency band | |
| CN105406182B (en) | A kind of UWB mimo antennas that notch bandwidth is controllable | |
| US6992631B2 (en) | Dual-band antenna | |
| CN106785352A (en) | A kind of antenna for mobile phone and its mobile phone | |
| CN106684544B (en) | A kind of miniaturization monopole ultra-wideband antenna | |
| CN213636298U (en) | Wide band omnidirectional antenna | |
| CN107994332A (en) | A kind of three frequency microstrip slot antennas | |
| KR100679262B1 (en) | An Internal Broadband Planar Inverted-F Antenna | |
| CN209709164U (en) | Four frequency channel monopole antenna of compact based on coplane waveguide feed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190604 |