CN208738404U - A kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization - Google Patents
A kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization Download PDFInfo
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- CN208738404U CN208738404U CN201821525158.0U CN201821525158U CN208738404U CN 208738404 U CN208738404 U CN 208738404U CN 201821525158 U CN201821525158 U CN 201821525158U CN 208738404 U CN208738404 U CN 208738404U
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- multimode
- temperature superconductor
- minor matters
- open circuit
- wide band
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Abstract
The utility model discloses a kind of high-temperature superconductor multimode ultra-wide band filters of miniaturization, including shell and shielding box, it include high-temperature superconductor substrate and multimode resonator placed on it in the shielding box, open circuit minor matters one are connected with above the multimode resonator, open circuit minor matters two are connected with below the multimode resonator, open circuit minor matters three there are two also connecting on multimode resonator, two open circuit minor matters three are located at the two sides of the open circuit minor matters one, the two sides of the multimode resonator are connected with three transmission coupling lines of cochin type coupled structure, the transmission coupling line is connected with 50 ohm of feeder line；The high-temperature superconductor substrate, which is selected, has two-sided YBCO superconducting film and the MgO substrate with a thickness of 0.5mm；The multimode resonator uses three mould step electric impedance resonators；High-temperature superconductor multimode ultra-wide band filter loads three groups of different open circuit minor matters by three mould resonators and forms, and one five mould resonator with pair of transmission zeros of final design, the selection characteristic of passband is obviously improved.
Description
Technical field
The utility model relates to a kind of filters, it particularly relates to a kind of high-temperature superconductor multimode ultra wide band of miniaturization
Filter.
Background technique
With the rapid development of wireless communication technique and wireless multimedia service, ultra wide band (UWB) technology is by increasingly
The concern of more researchers.The advantages that ultra wide band is with its high-speed, low-power consumption, high confidentiality and strong antijamming capability, has
Boundless application prospect and quite huge market value.Due to the potential tempting application prospect of super-broadband tech, beauty
State's Federal Communications Commission (FCC) had approved super-broadband tech in 2 months 2002 in the application in short-distance wireless communication field, this
Commercial applications for super-broadband tech product open gate, promote radio ultra wide band system and its device progress of research.Make
For one of the Primary Component of radio-frequency front-end, the superiority and inferiority of ultra-wide band filter performance directly affects the quality of entire communication system.For
The requirement of microwave integrated circuit miniaturization is adapted to, it is good that filter not only wants performance, but also wants small in size, compact-sized, be convenient for
Integrated and interconnection.Radio frequency low side largely has been used in Modern wireless communication, therefore FCC has quite the use of low frequency end
Strict requirements.This requires radio ultra wide band system outer to band, especially has good inhibition to low-frequency range.Thus need a height
Bandwidth is strictly limited in the range of FCC regulation by the ultra-wide band filter of performance.So it is good to design a skirt selectivity,
It is the key that solve one of problem above to the higher ultra-wide band filter of harmonics restraint.
Utility model content
To solve problems of the prior art, the purpose of the utility model is to provide a kind of high-temperature superconductors of miniaturization
Multimode ultra-wide band filter has the advantages that band internal loss Out-of-band rejection characteristic small in size, compact-sized, good.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and a kind of high-temperature superconductor multimode of miniaturization is super
Broadband filter, including shell and shielding box, the shell are equipped with the accommodating chamber for installing the shielding box, the receiving
The symmetrical above and below of chamber is equipped with two concave blocks, and the opposite flank of the two concave blocks is equipped with rectangular aperture groove, and opening is equipped with
Strip gab groove, the rectangular aperture groove is interior to be equipped with bolt；The two sides of the concave block have been connected through a screw thread connection respectively
Plate, the symmetrical centre of two connecting plates is respectively equipped with connection pedestal, is respectively equipped with connecting column on the two connection pedestals, described
Connection pedestal is connected through a screw thread with connecting plate.
It include high-temperature superconductor substrate and multimode resonator placed on it in the shielding box, on the multimode resonator
Fang Lianyou opens a way minor matters one, and open circuit minor matters two are connected with below the multimode resonator, also connects that there are two open on multimode resonator
Road minor matters three, two open circuit minor matters three are located at the two sides of the open circuit minor matters one, and the two sides of the multimode resonator connect
There are three transmission coupling lines of cochin type coupled structure, the transmission coupling line is connected with 50 ohm of feeder line；The high-temperature superconductor
Substrate, which is selected, has two-sided YBCO superconducting film and the MgO substrate with a thickness of 0.5mm；The multimode resonator is hindered using three mode step ladders
Antiresonance device.
High-temperature superconductor multimode ultra-wide band filter loads three groups of different open circuit minor matters by three mould resonators and forms, external
Stiffness of coupling can be obtained by adjusting the slit width and line width of three parallel transmission coupling lines；Three groups of open circuit minor matters are not added
Step electric impedance resonator is a three mould step electric impedance resonators, when minor matters one are loaded in three mould step electric impedance resonator centre bits
On setting, two new transmission poles will be introduced and one is located at the transmission zero of low frequency end, but can also generate one simultaneously
A undesired harmonic wave, this harmonic wave destroy stopband characteristic, and minor matters two are then loaded under center, although not having
Have and change the number with interior transmission pole, but a new transmission zero can be introduced in front end, then in symmetric position
Minor matters three are loaded with, a new transmission zero can be introduced, it is suppressed that the harmonic wave of upper stopband.Final design one has a pair
Five mould resonators of transmission zero.Due to introducing pair of transmission zeros, the selection characteristic of passband is obviously improved.
Preferably, the two sides that the connection pedestal is located on the connecting plate further respectively have a pair of of fixing screws, described
Fixing screws are set to the edge on connecting plate.
Fixing screws on connecting plate positioned at four corners can be used for for connecting plate and concave block being stably connected with, and guarantee shell
Integrally-built stability.
Preferably, the two sides on concave block positioned at the rectangular aperture groove are respectively equipped with threaded hole.
Threaded hole is used to shell cooperating other devices in use, being connected through a screw thread more reliable.
Preferably, the connecting column is equipped with external screw thread.
For being connect by the external screw thread on connecting column with detection device.
Preferably, the rectangular aperture groove is round rectangle shape.
Using the production easy to process of the groove of round rectangle.
The beneficial effects of the utility model are:
(1) ultra-wide band filter designed using the multimode resonator of minor matters load, small in size, compact-sized, tool
There is band internal loss Out-of-band rejection characteristic well；
(2) increase Out-of-band rejection using Insertion Loss after high-temperature superconductor substrate, can be reduced to a certain extent, and due to
The structure of filter can introduce pair of transmission zeros to promote selectivity.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the high-temperature superconductor multimode ultra-wide band filter of miniaturization of the utility model embodiment
Figure；
Fig. 2 is circuit connection diagram in the utility model embodiment shielding box.
Description of symbols:
1, shell；1-1, accommodating chamber；1-2, concave block；1-3, rectangular aperture groove；1-4, strip gab groove；1-5, spiral shell
Bolt；1-6, threaded hole；1-7, connecting plate；1-8, connection pedestal；1-9, fixing screws；1-10, connecting column；1-11, external screw thread；1-
12, attachment screw；2, shielding box；2-1, multimode resonator；2-2, open circuit minor matters one；2-3, open circuit minor matters two；2-4, open circuit branch
Section three；2-5, transmission coupling line；2-6, feeder line.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization, including shell 1 and shielding box 2, shell
The both ends of body 1 are symmetrical about shielding box 2, and the structure at 1 both ends of shell is symmetrical set, and the shell 1 is equipped with for installing
It states the symmetrical above and below of the accommodating chamber 1-1, the accommodating chamber 1-1 of shielding box 2 and is equipped with two concave block 1-2, the two concave block 1-2's
The long length with the accommodating chamber 1-1 is consistent, and it is recessed to be respectively equipped with rectangular aperture at the central symmetry axis of the two concave block 1-2
Slot 1-3, the opening direction of the two rectangular aperture groove 1-3 is towards the side accommodating chamber 1-1, and opening is equipped with strip gab
The opening of slot 1-4, the two strip gab groove 1-4 towards the opening with rectangular aperture groove 1-3 towards unanimously, open by the rectangle
Bolt 1-5 is equipped in port recess 1-3, the two sides on concave block 1-2 positioned at the rectangular aperture groove 1-3 are respectively equipped with screw thread
Hole 1-6, threaded hole 1-6 are used to cooperate other devices in use, being connected through a screw thread more reliable shell 1；In the concave block
The two sides of 1-2 have been respectively and fixedly connected with connecting plate 1-7, and the height value of the accommodating chamber 1-1 adds lower two concave block 1-2's disposed thereon
Height value is equal to the length of the connecting plate 1-7, and the symmetrical centre of the two connecting plate 1-7 is equipped with connection pedestal 1-8, described
The two sides for being located at the connection pedestal 1-8 on connecting plate 1-7 further respectively have a pair of of fixing screws 1-9, the fixing screws 1-9
Edge on connecting plate 1-7, the fixing screws 1-9 that four corners are located on connecting plate 1-7 can be used for connecting plate 1-7
It is stably connected with concave block 1-2, guarantees the integrally-built stability of shell 1, the connection pedestal 1-8 is equipped with connecting column 1-
10, the connecting column 1-10 are equipped with external screw thread 1-11, for passing through the external screw thread 1-11 and detection device on connecting column 1-10
It connects, is additionally provided with two attachment screw 1-12, the two attachment screw 1-12 on the connection pedestal 1-8 and is located at connecting column 1-
10 two sides.
Embodiment 2:
Include as shown in Fig. 2, the present embodiment is on the basis of embodiment 1, in the shielding box 2 high-temperature superconductor substrate and
Open circuit one 2-2 of minor matters, the multimode resonator are connected with above multimode resonator 2-1, the multimode resonator 2-1 placed on it
It is connected with open circuit two 2-3 of minor matters below 2-1, also connects that there are two three 2-4 of minor matters that opens a way, two open circuit branches on multimode resonator 2-1
The two sides that three 2-4 are located at open circuit one 2-2 of minor matters are saved, the two sides of the multimode resonator 2-1 are connected with cochin type coupling
Three transmission coupling lines 2-5, the transmission coupling line 2-5 for closing structure are connected with 50 ohm of feeder line 2-6；The high-temperature superconductor base
Piece, which is selected, has two-sided YBCO superconducting film and the MgO substrate with a thickness of 0.5mm；The multimode resonator 2-1 is using three mode steps ladder
Electric impedance resonator.
High-temperature superconductor multimode ultra-wide band filter loads three groups of different open circuit minor matters by three mould resonators and forms, external
Stiffness of coupling can be obtained by adjusting slit width and the line width of three parallel transmission coupling line 2-5；Three groups of open circuit branches are not added
The step electric impedance resonator of section is a three mould step electric impedance resonators, when the load of minor matters one is in three mould step electric impedance resonators
On heart position, two new transmission poles will be introduced and one is located at the transmission zero of low frequency end, but can also be produced simultaneously
A raw undesired harmonic wave, this harmonic wave destroy stopband characteristic, minor matters two are then loaded under center, though
So without changing the number with interior transmission pole, but a new transmission zero can be introduced in front end, then in symmetrical position
It sets and is loaded with minor matters three, a new transmission zero can be introduced, it is suppressed that the harmonic wave of upper stopband.Final design one has
Five mould resonators of pair of transmission zeros.Due to introducing pair of transmission zeros, the selection characteristic of passband is obviously improved.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (5)
1. a kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization, which is characterized in that including shell and shielding box, the shell
Body is equipped with the accommodating chamber for installing the shielding box, and the symmetrical above and below of the accommodating chamber is equipped with two concave blocks, and two is described recessed
The opposite flank of type block is equipped with rectangular aperture groove, and opening is equipped with strip gab groove, is equipped in the rectangular aperture groove
Bolt；The two sides of the concave block have been connected through a screw thread connecting plate respectively, and the symmetrical centre of two connecting plates is respectively equipped with
Pedestal is connected, is respectively equipped with connecting column on the two connection pedestals, the connection pedestal is connected through a screw thread with connecting plate；
Include high-temperature superconductor substrate and multimode resonator placed on it in the shielding box, connects above the multimode resonator
There are open circuit minor matters one, open circuit minor matters two are connected with below the multimode resonator, also connects that there are two branches of opening a way on multimode resonator
Section three, two open circuit minor matters three are located at the two sides of the open circuit minor matters one, and the two sides of the multimode resonator are connected with friendship
Three transmission coupling lines of toe type coupled structure, the transmission coupling line are connected with 50 ohm of feeder line；The high-temperature superconductor substrate
Selecting has two-sided YBCO superconducting film and the MgO substrate with a thickness of 0.5mm；The multimode resonator is humorous using three mould stepped impedances
Shake device.
2. a kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization according to claim 1, which is characterized in that described
The two sides for being located at the connection pedestal on connecting plate further respectively have a pair of of fixing screws, and the fixing screws are set on connecting plate
Edge.
3. a kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization according to claim 1, which is characterized in that recessed
Two sides on type block positioned at the rectangular aperture groove are respectively equipped with threaded hole.
4. a kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization according to claim 1, which is characterized in that described
Connecting column is equipped with external screw thread.
5. a kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization according to claim 1, which is characterized in that described
Rectangular aperture groove is round rectangle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525158.0U CN208738404U (en) | 2018-09-18 | 2018-09-18 | A kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525158.0U CN208738404U (en) | 2018-09-18 | 2018-09-18 | A kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738404U true CN208738404U (en) | 2019-04-12 |
Family
ID=66034043
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821525158.0U Expired - Fee Related CN208738404U (en) | 2018-09-18 | 2018-09-18 | A kind of high-temperature superconductor multimode ultra-wide band filter of miniaturization |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729533A (en) * | 2019-09-30 | 2020-01-24 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Asymmetric SIR loaded wide stop band suppression broadband band-pass filter |
-
2018
- 2018-09-18 CN CN201821525158.0U patent/CN208738404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729533A (en) * | 2019-09-30 | 2020-01-24 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Asymmetric SIR loaded wide stop band suppression broadband band-pass filter |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20210918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |