CN206059607U - A kind of spiral metal micro-strip loaded type microwave band-pass filter - Google Patents
A kind of spiral metal micro-strip loaded type microwave band-pass filter Download PDFInfo
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- CN206059607U CN206059607U CN201621125170.3U CN201621125170U CN206059607U CN 206059607 U CN206059607 U CN 206059607U CN 201621125170 U CN201621125170 U CN 201621125170U CN 206059607 U CN206059607 U CN 206059607U
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Abstract
The utility model discloses a kind of spiral metal micro-strip loaded type microwave band-pass filter, including dielectric-slab, metal micro-strip, metal ground and the loading of spiral metal micro-strip, the dielectric-slab is provided with metal micro-strip, metal micro-strip includes co-planar waveguide section, changeover portion and artificial surface phasmon section, and co-planar waveguide section is connected with artificial surface phasmon section by changeover portion；The both sides of the metal micro-strip are provided with metal ground, and the loading of spiral metal micro-strip is provided with artificial surface phasmon section, and the loading of spiral metal micro-strip includes spiral metal micro-strip loading groove and spiral metal micro-strip.The spiral metal micro-strip loaded type microwave band-pass filter, arranges spiral metal micro-strip loading groove in artificial surface phasmon section, can strengthen capacity of resisting disturbance, increase stability；And changeover portion can avoid electromagnetic field from occurring strong microwave electric field reflection in transmitting procedure, while reducing the loss in transmitting procedure.
Description
Technical field
This utility model is related to technical field of communication equipment, especially a kind of spiral metal micro-strip loaded type microwave band-pass filter
Ripple device.
Background technology
In the big data epoch, as mobile communication device constantly develops to light, thin, short, little direction, the field requires to manufacture
Go out integrated microwave filter, however as the continuous diminution of microwave filtering circuit size, the electromagnetic interference noise of device, RC
The delay technical problem such as reach capacity can cause wave filter job insecurity, existing microwave filter not to adapt to current micro-
The development of ripple integrated circuit.
Utility model content
The purpose of this utility model is to provide a kind of spiral metal micro-strip loaded type microwave band-pass filter, with low biography
Defeated loss, the characteristics of avoid electromagnetic field strong reflection and strong anti-electromagnetic interference capability, to solve what is proposed in above-mentioned background technology
Problem.
For achieving the above object, this utility model provides following technical scheme：A kind of spiral metal micro-strip loaded type microwave
Band filter, including dielectric-slab, metal micro-strip, metal ground and the loading of spiral metal micro-strip, the dielectric-slab are provided with metal
Micro-strip, metal micro-strip include co-planar waveguide section, changeover portion and artificial surface phasmon section, co-planar waveguide section by changeover portion with
Artificial surface phasmon section connects；The both sides of the metal micro-strip are provided with metal ground, and metal ground is with regard to metal micro-strip pair
Claim to arrange；The loading of spiral metal micro-strip is provided with the artificial surface phasmon section, the loading of spiral metal micro-strip includes spiral shell
Rotation metal micro-strip loading groove and spiral metal micro-strip, are provided with spiral metal micro-strip in spiral metal micro-strip loading groove.
As further program of the utility model：The spiral metal micro-strip that depth gradual change is offered on the changeover portion adds
Carry groove.
As further program of the utility model：The width range of the spiral metal micro-strip loading groove is 1.0-
4.0mm, depth bounds are 6.0-10.0mm, and periodic regime is 3-8mm.
As further program of the utility model：The width range 0.2- of the loaded line of the spiral metal micro-strip
1.0mm, the scope of total length is 10.0-20.0mm.
As further program of the utility model：The physical dimension regulation and control microwave transmission of the spiral metal micro-strip loading
The cut-off frequency and magnetic distribution of line.
Compared with prior art, this utility model beneficial effect：
(1) this spiral metal micro-strip loaded type microwave band-pass filter, by depth gradual change is offered on changeover portion
Spiral metal micro-strip loads groove, it is possible to achieve transition of the Quasi-TEM mode to SSPPs patterns, reduces microwave electric field reflection；And
A series of spiral metal micro-strip loading grooves are set in artificial surface phasmon section so that electromagnetic field is bound in transmission
Spiral metal micro-strip loads the inside of groove, so as to greatly reduce the electricity occurred because spacing is too little when plurality of transmission lines is transmitted
Magnetic disturbance so that capacity of resisting disturbance is greatly enhanced, while stability when high density microwave integrated circuit works is also enhanced, no
Only thus, because anti-electromagnetic interference capability is greatly enhanced, this utility model can also reduce between the metal micro-strip of microwave integrated circuit
Spacing is to realize the miniaturization of device, thus can better adapt to the development of current extensive microwave integrated circuit.
(2) this spiral metal micro-strip loaded type microwave band-pass filter, by being arranged on co-planar waveguide section and artificial surface
Changeover portion between phasmon section, realize that electromagnetic field propagated in co-planar waveguide section and artificial surface phasmon section are flat
Steady transition, it is to avoid what electromagnetic field occurred because of pattern and impedance mismatch when being converted into SSPPs mode propagations by Quasi-TEM mode
Strong microwave electric field reflection；And the physical dimension of adjustable screw metal micro-strip loading is regulating and controlling the cut-off frequency of microwave transmission line
And magnetic distribution, while adjusting the constraint effect of electromagnetic wave.
Description of the drawings
Fig. 1 is positive structure schematic of the present utility model；
Fig. 2 is enlarged drawing at the A-A of this utility model Fig. 1.
In figure：1- dielectric-slabs；2- metal micro-strip；21- co-planar waveguide sections；22- changeover portions；23- artificial surface phasmons
Section；3- metals ground；4- spiral metals micro-strip is loaded；41- spiral metals micro-strip loads groove；42- spiral metal micro-strips.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2 is referred to, in this utility model embodiment, a kind of spiral metal micro-strip loaded type microwave band-pass filter,
Including dielectric-slab 1, metal micro-strip 2, metal ground 3 and spiral metal micro-strip loading 4, dielectric-slab 1 is provided with metal micro-strip 2, metal
Micro-strip 2 includes co-planar waveguide section 21, changeover portion 22 and artificial surface phasmon section 23, and co-planar waveguide section 21 passes through changeover portion 22
It is connected with artificial surface phasmon section 23, on changeover portion 22, offers the spiral metal micro-strip loading groove 41 of depth gradual change,
This spiral metal micro-strip loading groove 41 can realize Quasi-TEM mode to the transition of SSPPs patterns, reduce microwave electric field reflection；
And setting structure co-planar waveguide section 21 and artificial surface phasmon section 23, electromagnetic field is realized in co-planar waveguide section 21 and artificial
The smooth transition propagated in surface phasmon section 23, it is to avoid when electromagnetic field is converted into SSPPs mode propagations by Quasi-TEM mode
The strong microwave electric field reflection occurred because of pattern and impedance mismatch；The both sides of metal micro-strip 2 are provided with metal ground 3,
Metal ground 3 is symmetrical arranged with regard to metal micro-strip 2；Spiral metal micro-strip loading 4, spiral shell are provided with artificial surface phasmon section 23
The loading of rotation metal micro-strip has constraint effect well to electromagnetic field, and spiral metal micro-strip loading 4 includes that spiral metal micro-strip adds
Groove 41 and spiral metal micro-strip 42 are carried, groove 41 is loaded by the spiral metal micro-strip so that electromagnetic field is in transmission by beam
The inside that spiral metal micro-strip loads groove 41 is tied to, so as to greatly reduce when plurality of transmission lines is transmitted to go out because spacing is too little
Existing electromagnetic interference so that capacity of resisting disturbance is greatly enhanced, while also enhancing steady when high density microwave integrated circuit works
Qualitative, moreover, because anti-electromagnetic interference capability is greatly enhanced, the metal that this utility model can also reduce microwave integrated circuit is micro-
The spacing of interband is to realize the miniaturization of device, thus can better adapt to the development of current extensive microwave integrated circuit；This
The width range of utility model, wherein spiral metal micro-strip loading groove 41 is 1.0-4.0mm, and depth bounds is 6.0-
10.0mm, periodic regime are 3-8mm；The width range 0.2-1.0mm of the loaded line of metal micro-strip 42 is revolved, the scope of total length is
10.0-20.0mm, can just regulate and control the cut-off frequency and electricity of microwave transmission line by the physical dimension of spiral metal micro-strip loading 4
Distribution of Magnetic Field；Spiral metal micro-strip 42 is provided with spiral metal micro-strip loading groove 41.
In sum：The electromagnetic field of Quasi-TEM mode is transferred to changeover portion 22 by the co-planar waveguide section 21 on the left side, in changeover portion
The electromagnetic field of SSPPs patterns is gradually faded in 22, and the electromagnetic field of Quasi-TEM mode and SSPPs patterns is common in changeover portion 22
Deposit, when electromagnetic field reaches artificial surface phasmon section 23, be fully converted to the electromagnetic field of SSPPs patterns, and in labor statement
It is transmitted in face phasmon section 23, SSPPs patterns electromagnetic field after transmission, and the conversion of changeover portion 22 through the right is defined
The electromagnetic field of TEM mode, is exported by the co-planar waveguide section 21 on the right.When electromagnetic field is propagated in co-planar waveguide section 21, electricity in the section
The pattern in magnetic field is Quasi-TEM mode, in pattern electromagnetic field dielectric-slab 1 with being bound in co-planar waveguide section 21 and metal between 3；
When changeover portion 22 is propagated, in the section, Quasi-TEM mode is coexisted with SSPPs patterns, and wherein Quasi-TEM mode electromagnetic field was bound in
Cross in the dielectric-slab 1 between section 22 and metal ground 3, SSPPs pattern electromagnetic fields are bound in spiral metal micro-strip loading groove 41
Portion；When being propagated in artificial surface phasmon section 23, it is SSPPs patterns in the section, the pattern electromagnetic field is bound in
Inside spiral metal micro-strip loading groove 41.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of spiral metal micro-strip loaded type microwave band-pass filter, including dielectric-slab (1), metal micro-strip (2), metal ground
(3) and spiral metal micro-strip loading (4), it is characterised in that：The dielectric-slab (1) is provided with metal micro-strip (2), metal micro-strip
(2) including co-planar waveguide section (21), changeover portion (22) and artificial surface phasmon section (23), co-planar waveguide section (21) passed through
Cross section (22) to be connected with artificial surface phasmon section (23)；The both sides of the metal micro-strip (2) with being provided with metal (3),
Metal ground (3) is symmetrical arranged with regard to metal micro-strip (2)；Spiral metal is provided with the artificial surface phasmon section (23) micro-
Band loading (4), spiral metal micro-strip load (4) including spiral metal micro-strip loading groove (41) and spiral metal micro-strip (42),
Spiral metal micro-strip (42) is provided with spiral metal micro-strip loading groove (41).
2. a kind of spiral metal micro-strip loaded type microwave band-pass filter according to claim 1, it is characterised in that：It is described
Spiral metal micro-strip loading groove (41) of depth gradual change is offered on changeover portion (22).
3. a kind of spiral metal micro-strip loaded type microwave band-pass filter according to claim 1, it is characterised in that：It is described
The width range of spiral metal micro-strip loading groove (41) is 1.0-4.0mm, and depth bounds is 6.0-10.0mm, and periodic regime is
3-8mm。
4. a kind of spiral metal micro-strip loaded type microwave band-pass filter according to claim 1, it is characterised in that：It is described
The width range 0.2-1.0mm of the loaded line of spiral metal micro-strip (42), the scope of total length is 10.0-20.0mm.
5. a kind of spiral metal micro-strip loaded type microwave band-pass filter according to claim 1, it is characterised in that：It is described
The cut-off frequency and magnetic distribution of the physical dimension regulation and control microwave transmission line of spiral metal micro-strip loading (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125170.3U CN206059607U (en) | 2016-10-12 | 2016-10-12 | A kind of spiral metal micro-strip loaded type microwave band-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125170.3U CN206059607U (en) | 2016-10-12 | 2016-10-12 | A kind of spiral metal micro-strip loaded type microwave band-pass filter |
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| CN206059607U true CN206059607U (en) | 2017-03-29 |
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| CN201621125170.3U Expired - Fee Related CN206059607U (en) | 2016-10-12 | 2016-10-12 | A kind of spiral metal micro-strip loaded type microwave band-pass filter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336467A (en) * | 2018-02-07 | 2018-07-27 | 南京邮电大学 | The super slow wave plane microwave delay line of binary cycle surface phasmon |
| CN109742502A (en) * | 2019-03-13 | 2019-05-10 | 南京邮电大学 | A kind of unit artificial surface plasmon transmission line based on helical structure |
| CN111106441A (en) * | 2020-01-09 | 2020-05-05 | 西安理工大学 | Miniaturized directional radiation antenna based on artificial surface plasmon polariton |
| CN113328257A (en) * | 2021-05-31 | 2021-08-31 | 湖南汽车工程职业学院 | Super surface electromagnetic energy collection device |
| CN114883767A (en) * | 2022-05-25 | 2022-08-09 | 厦门大学 | Low-pass rectangular waveguide with band-stop characteristic and internally inserted with SSPP material |
-
2016
- 2016-10-12 CN CN201621125170.3U patent/CN206059607U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336467A (en) * | 2018-02-07 | 2018-07-27 | 南京邮电大学 | The super slow wave plane microwave delay line of binary cycle surface phasmon |
| CN108336467B (en) * | 2018-02-07 | 2020-03-17 | 南京邮电大学 | Double-period surface plasmon super-slow wave planar microwave delay line |
| CN109742502A (en) * | 2019-03-13 | 2019-05-10 | 南京邮电大学 | A kind of unit artificial surface plasmon transmission line based on helical structure |
| CN111106441A (en) * | 2020-01-09 | 2020-05-05 | 西安理工大学 | Miniaturized directional radiation antenna based on artificial surface plasmon polariton |
| CN113328257A (en) * | 2021-05-31 | 2021-08-31 | 湖南汽车工程职业学院 | Super surface electromagnetic energy collection device |
| CN114883767A (en) * | 2022-05-25 | 2022-08-09 | 厦门大学 | Low-pass rectangular waveguide with band-stop characteristic and internally inserted with SSPP material |
| CN114883767B (en) * | 2022-05-25 | 2023-02-24 | 厦门大学 | Low-pass rectangular waveguide with band-stop characteristic and internally inserted with SSPP material |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20191012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |