CN106299555B - Bandpass filter - Google Patents
Bandpass filter Download PDFInfo
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- CN106299555B CN106299555B CN201510278517.1A CN201510278517A CN106299555B CN 106299555 B CN106299555 B CN 106299555B CN 201510278517 A CN201510278517 A CN 201510278517A CN 106299555 B CN106299555 B CN 106299555B
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- coupling part
- block
- bandpass filter
- rectangle
- angled trapezium
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Abstract
A kind of bandpass filter that embodiment of the present invention provides, is set on tellite, this bandpass filter includes first end, the second end, the first coupling part, the second coupling part and interconnecting piece.Wherein, first end and the second end are used to output and input electromagnetic wave signal respectively；First coupling part and the second coupling part are set between first end and the second end, are used for coupled electromagnetic wave signal；Interconnecting piece is for connecting the first coupling part and the second coupling part.First end part is accommodated in the storage space of the first coupling part, and the second end part is accommodated in the storage space of the second coupling part.The bandpass filter that the present invention designs, better performances and area occupied is smaller are highly suitable to be applied in the product of 5G communication.
Description
Technical field
The present invention relates to a kind of filter more particularly to a kind of bandpass filters.
Background technique
Currently, the communication products applied to 5G frequency range continue to bring out with the continuous development of mobile communication technology, people are given
Bring the new experience of mobile communication.Wherein, in 5G communication products, filter is a kind of essential component.However,
The frequency range of 5G communication, designs that performance is outstanding and the lesser bandpass filter of area, often a great problem of research staff.
Summary of the invention
In view of this, it is necessary to provide a kind of bandpass filter of miniaturization, to meet the requirement of the 5G communication technology, thus
Optimize the design of communication products.
A kind of bandpass filter that embodiment of the present invention provides, is set on tellite, this bandpass filtering
Device includes first end, the second end, the first coupling part, the second coupling part and interconnecting piece.Wherein, first end and the second end
It is respectively used to output and input electromagnetic wave signal；First coupling part and the second coupling part be set to first end and the second end it
Between, it is used for coupled electromagnetic wave signal；Interconnecting piece is for connecting the first coupling part and the second coupling part.First end part is accommodated in
In the storage space of first coupling part, the second end part is accommodated in the storage space of the second coupling part.
Preferably, first end is about the first symmetrical axial symmetry, and the second end is also about the first symmetrical axial symmetry.
Preferably, the first coupling part itself and the second coupling part itself are all about the first symmetrical axial symmetry, and the first coupling
Conjunction portion and the second coupling part are about the second symmetrical axial symmetry, and the first symmetry axis is mutually perpendicular to the second symmetry axis.
Preferably, interconnecting piece is elongated, and coaxial with the first symmetry axis.
Preferably, first end and the first coupling part form the first gap, and the second end and the second coupling part form second
Gap, and the width in the first gap is greater than the width in the second gap.
Preferably, the first coupling part and the second coupling part all include the first block, the second block and third block.Wherein,
First block for the first right-angled trapezium cuts out the first rectangle and is formed, and the longer side and a shorter side of the first rectangle respectively with the first right angle
A trapezoidal bottom edge and right-angle side partially overlap；Second block is the second right-angled trapezium cuts out the second rectangle and is formed, and second
The longer side and a shorter side of rectangle partially overlaps with a bottom edge of the second right-angled trapezium and right-angle side respectively；First side of third block connects
It is connected to a bottom edge of the first right-angled trapezium, the second side is connected to a bottom edge of the second right-angled trapezium, the middle part on third side and connection
Portion's connection.
Preferably, the first block and the second block are about the first symmetrical axial symmetry.
Preferably, the storage space of the first coupling part is that the first block, the second block, third block of the first coupling part are total
With the groove formed, the storage space of the second coupling part is that the first block, the second block, third block of the second coupling part are total
With the groove formed.
Preferably, first end extends outwardly from the groove of the first coupling part, groove of the second end from the second coupling part
Extend outwardly.
Preferably, the shape of third block is rectangle.
The beneficial effects of the invention are as follows it will be evident that the bandpass filter that the present invention designs, better performances and area occupied
It is smaller, it is highly suitable to be applied in the product of 5G communication.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of bandpass filter of the present invention.
Fig. 2 is the structural schematic diagram of one embodiment of the first coupling part in bandpass filter of the present invention.
Fig. 3 is that the transmission coefficient of bandpass filter of the present invention measures figure.
Main element symbol description
First end P1
The second end P2
First coupling part M1
Second coupling part M2
Interconnecting piece M3
First gap d 1
Second gap d 2
First block B1
Second block B2
Third block B3
Rectangle R1, R2
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
The design parameter of following implementation in order to better illustrate the present invention, but should not limit the present invention with specific value
The scope of the claims.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of bandpass filter of the present invention.
Bandpass filter of the invention is set on tellite.The bandpass filter include first end P1,
The second end P2, the first coupling part M1, the second coupling part M2 and interconnecting piece M3.First end P1 and the second end P2 are respectively used to
Output and input electromagnetic wave signal.First coupling part M1 and the second coupling part M2 be set to first end P1 and the second end P2 it
Between, it is used for coupled electromagnetic wave signal.Interconnecting piece M3 is for connecting the first coupling part M1 and the second coupling part M2.
In the present embodiment, first end P1, the second end P2, the first coupling part M1, the second coupling part M2 and connection
Portion M3 is set to without overlapping in the same surface of tellite.The part first end P1 is accommodated in the first coupling part
In the storage space of M1, and first end P1 and the first coupling part M1 forms the first gap d 1.The part the second end P2 is accommodated in
In the storage space of second coupling part M2, and the second end P2 and the second coupling part M2 forms the second gap d 2, and the first gap
The width of d1 is greater than the width of the second gap d 2.First end P1 itself is symmetrical about X-axis, and the second end P2 is also related to itself
X-axis is symmetrical.First coupling part M1 itself is symmetrical about X-axis, and it is symmetrical that the second coupling part M2 itself also relates to X-axis, and the first coupling
Conjunction portion M1 and the second coupling part M2 are symmetrical about Y-axis.Herein, X-axis and Y-axis are two orthogonal symmetry axis.Interconnecting piece M3 is in
Strip, and it is coaxial with X-axis.When electromagnetic wave is input to first end P1, which is coupled to via the first gap d 1
Then one coupling part M1 inputs the second coupling part M2 via interconnecting piece M3 again, is then coupled to second end via the second gap d 2
Portion P2 is finally exported via the second end P2.
In other embodiments, first end P1, the second end P2, the first coupling part M1, the second coupling part M2 and company
Socket part M3 may be disposed in the different layers of tellite.First end P1 and the second end P2 can be respectively used to output and it is defeated
Enter electromagnetic wave signal.
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of mono- embodiment of the first coupling part M1 in bandpass filter of the present invention.
In the present invention, the shape of the first coupling part M1 and the second coupling part M2 are identical, and symmetrically and close about the X-axis
It is symmetrical in Y-axis, therefore, when the dependency structure for the first coupling part M1 and the second coupling part M2 is illustrated, only with first
Its structure feature is described in detail for coupling part M1.
In the first coupling part M1, the first coupling part M1 includes the first block B1, the second block B2 and third block B3.?
In present embodiment, the first block B1 and the second block B2 are symmetrical about X-axis.
First block B1 for a right-angled trapezium cuts out a rectangle R1 and is formed, and the longer side and a shorter side of rectangle R1 respectively with this
The bottom of right-angled trapezium and right-angle side partially overlap, and the long side length of rectangle R1 is less than the bottom length of the right-angled trapezium.
Second block B2 is also that a right-angled trapezium cuts out a rectangle R2 and formed, and the longer side and a shorter side of rectangle R2 respectively with
The upper bottom edge of the right-angled trapezium and right-angle side partially overlap, and the upper bottom that the long side length of rectangle R2 is less than the right-angled trapezium is long
Degree.
The shape of third block B3 is rectangle, and the first side is connected to the one of the right-angled trapezium of the first block B1
Bottom edge, the second side are connected to a bottom edge of the right-angled trapezium of the second block B2, the middle part on third side and connection
Portion M3 connection.Here, the storage space of the first coupling part M1 is the first block B1 of the first coupling part M1, the second block B2, the
The groove that three block B3 are collectively formed.The part first end P1 is accommodated in the groove of the first coupling part M1, first end P1
Extend outwardly from the groove.The part the second end P2 is accommodated in the groove of the second coupling part M2, and the second end P2 is from the groove
Extend outwardly.
Also referring to Fig. 1 and Fig. 2.First end P1 is partially housed in the enclosing region of the first coupling part M1,
And first end P1 extends outwardly from this enclosing region.The second end P2 is partially housed in the encirclement area of the second coupling part M2
In domain, and the second end P2 extends outwardly from this enclosing region.In the present embodiment, bandpass filter can be set in area
For in 4.7 millimeters of regions multiplied by 4.7 millimeters, area occupied very little meets the requirement of Miniaturization Design.
Referring to Fig. 3, the transmission coefficient that Fig. 3 is bandpass filter of the present invention measures figure.The work frequency of this bandpass filter
Band is the frequency band that transmission coefficient is higher than -3dB.As can be seen from Figure 3, the centre frequency of the working band is about 5.207 Gigahertzs
(Ghz), bandwidth is about 124 megahertzs (Mhz).It can be seen that this bandpass filter can work in 5G communication skill well
In the frequency range of art.
The beneficial effects of the invention are as follows it will be evident that the bandpass filter that the present invention designs, better performances and area occupied
It is smaller, it is highly suitable to be applied in the product of 5G communication.
It is understood that for those of ordinary skill in the art, can do in accordance with the technical idea of the present invention
Various other changes and modifications out, and all these changes and deformation all should belong to the protection model of the claims in the present invention
It encloses.
Claims (9)
1. a kind of bandpass filter, is set on tellite characterized by comprising
First end and the second end are respectively used to output and input electromagnetic wave signal；
First coupling part and the second coupling part, are set between the first end and the second end, described for coupling
Electromagnetic wave signal；And
Interconnecting piece, for connecting first coupling part and second coupling part；
Wherein, the first end part is accommodated in the storage space of first coupling part, and the second end part is received
It is contained in the storage space of second coupling part；
First coupling part and second coupling part all include:
First block, for the first right-angled trapezium cuts out the first rectangle and is formed；
Second block, for the second right-angled trapezium cuts out the second rectangle and is formed；And
Third block, the first side are connected to a bottom edge of first right-angled trapezium, and the second side is connected to the second right angle ladder
One bottom edge of shape；
First coupling part itself is about the first symmetrical axial symmetry, and second coupling part itself is about first symmetry axis
Symmetrically, and first coupling part and second coupling part are about the second symmetrical axial symmetry, and first symmetry axis with
Second symmetry axis is mutually perpendicular to.
2. bandpass filter as described in claim 1, which is characterized in that the first end about the first symmetrical axial symmetry,
And the second end is also about the described first symmetrical axial symmetry.
3. bandpass filter as described in claim 1, which is characterized in that the first end and first coupling part are formed
First gap, the second end and second coupling part form the second gap, and the width in first gap is greater than institute
State the width in the second gap.
4. bandpass filter as described in claim 1, which is characterized in that the interconnecting piece is elongated, and with described first
Symmetry axis is coaxial.
5. bandpass filter as described in claim 1, which is characterized in that the longer side and a shorter side of first rectangle respectively with institute
The bottom edge and right-angle side for stating the first right-angled trapezium partially overlap；
The longer side and a shorter side of second rectangle partially overlaps with a bottom edge of second right-angled trapezium and right-angle side respectively；And
The middle part on the third side of the third block is connect with the interconnecting piece.
6. bandpass filter as claimed in claim 5, which is characterized in that first block and second block are about institute
State the first symmetrical axial symmetry.
7. bandpass filter as claimed in claim 5, which is characterized in that the storage space of first coupling part is described the
The groove that first block, second block, the third block of one coupling part are collectively formed, second coupling part
Storage space be second coupling part first block, second block, the third block be collectively formed
Groove.
8. bandpass filter as claimed in claim 7, which is characterized in that the first end is recessed from first coupling part
Slot extends outwardly, and the second end extends outwardly from the groove of second coupling part.
9. bandpass filter as described in claim 1, which is characterized in that the shape of the third block is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278517.1A CN106299555B (en) | 2015-05-27 | 2015-05-27 | Bandpass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278517.1A CN106299555B (en) | 2015-05-27 | 2015-05-27 | Bandpass filter |
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| Publication Number | Publication Date |
|---|---|
| CN106299555A CN106299555A (en) | 2017-01-04 |
| CN106299555B true CN106299555B (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510278517.1A Expired - Fee Related CN106299555B (en) | 2015-05-27 | 2015-05-27 | Bandpass filter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037863A (en) * | 2018-08-14 | 2018-12-18 | 中国计量大学 | Adjustable two band filter and its method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202084619U (en) * | 2011-04-15 | 2011-12-21 | 中国计量学院 | Band-pass filter based on microstrip line structure |
| CN103035985A (en) * | 2012-12-15 | 2013-04-10 | 华南理工大学 | Toroidal cavity resonator based ultra wide band (UWB) notch filter |
| CN104103879A (en) * | 2014-05-06 | 2014-10-15 | 西安理工大学 | Ultra-wideband filter with notching function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5213419B2 (en) * | 2007-04-18 | 2013-06-19 | 京セラ株式会社 | BANDPASS FILTER, RADIO COMMUNICATION MODULE AND RADIO COMMUNICATION DEVICE USING THE SAME |
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2015
- 2015-05-27 CN CN201510278517.1A patent/CN106299555B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202084619U (en) * | 2011-04-15 | 2011-12-21 | 中国计量学院 | Band-pass filter based on microstrip line structure |
| CN103035985A (en) * | 2012-12-15 | 2013-04-10 | 华南理工大学 | Toroidal cavity resonator based ultra wide band (UWB) notch filter |
| CN104103879A (en) * | 2014-05-06 | 2014-10-15 | 西安理工大学 | Ultra-wideband filter with notching function |
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| CN106299555A (en) | 2017-01-04 |
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Granted publication date: 20190903 Termination date: 20210527 |