CN209592276U - A kind of chip-type laminated balun filter - Google Patents
A kind of chip-type laminated balun filter Download PDFInfo
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- CN209592276U CN209592276U CN201920658986.XU CN201920658986U CN209592276U CN 209592276 U CN209592276 U CN 209592276U CN 201920658986 U CN201920658986 U CN 201920658986U CN 209592276 U CN209592276 U CN 209592276U
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Abstract
The utility model discloses a kind of chip-type laminated balun filters, including substrate, ground connection pole plate, a laminate, pellet electrode, copper coil, the first conductive column, the second conductive column, two laminates, three ply board, third conductive column, four laminates, five laminates, grounded metal article, the 4th conductive column, six laminates, input electrode, grounding electrode, output electrode and direction instruction position.The beneficial effects of the utility model are: the surface of the pellet electrode of a lamina surface is fixed with the copper coil of trap conjunction along edge, form two centrosymmetric inductance coils, it can inhibit the spurious signal other than working frequency range well, pellet electrode on two laminates and three ply board is corresponding up and down and left and right is in staggered distribution, form capacitance structure, increase the filter effect to microwave, it is provided with five laminates of insulation between four laminates and six laminates, there is good attenuating for the spurious signal other than working frequency range.
Description
Technical field
The utility model relates to a kind of balun filter, specially a kind of chip-type laminated balun filter belongs to electronics skill
Art apparatus field.
Background technique
Filter and balun are the critical elements in radio-frequency transmissions and reception system, in various forms of wireless communications all
It is widely used, filter can screen frequency, and the low decaying of the signal in target frequency section is allowed to pass through, and allow spurious signal quilt
Effective attenuation is played the role of controlling microwave system frequency transmission signal, and signal may be implemented in single-ended and both-end, balance in balun
With it is non-equilibrium between convert, both have the advantages that impedance transformation, in existing technology, the two is all scattering device, i.e.,
By the way that isolated filter is realized complete function together with balun connection, the volume of communication system is not only increased, and
And cause ghost effect to increase since discrete device will be linked by substrate, it is susceptible to the interference of external electromagnetic wave, is existed
Pass the disadvantage that speed is slow, loss is high.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of chip-type laminated balun filter.
The utility model achieves the above object through the following technical schemes: a kind of chip-type laminated balun filter, including
Substrate, ground connection pole plate, a laminate, pellet electrode, copper coil, the first conductive column, the second conductive column, two laminates, three ply board, third
Conductive column, four laminates, five laminates, grounded metal article, the 4th conductive column, six laminates, input electrode, grounding electrode, output electrode
With direction instruction position；One laminate, two laminates, three ply board, four laminates, five laminates and six laminates are by substrate and pellet electrode structure
At the two sides of the substrate are fixed with ground connection pole plate, and the surface of a laminate is fixed, and there are two the F shape sheet electricity of mutually insulated
Pole and a pellet electrode links together with the first conductive column and another pellet electrode and the second conductive column link together,
The surface of the pellet electrode of one lamina surface is fixed with the copper coil of trap conjunction along edge, under a laminate
End is provided with two laminates, and the pellet electrode there are two mutually insulated, the piece on two laminate are fixed in the surface of two laminate
One end of shape electrode is mounted on one end of two laminates and the other end is hanging, two pellet electrode one end on two laminate and connects
Ground pole plate links together and the other end links together with the first conductive column and the second conductive column respectively, under two laminate
End is provided with three ply board, and the pellet electrode there are two mutually insulated, the piece on the three ply board are fixed in the surface of the three ply board
One end of shape electrode is mounted on one end of three ply board and the other end is hanging, two on the three ply board pellet electrode one end and connects
Ground pole plate links together and the other end links together with the first conductive column and third conductive column respectively, two laminate and three
Pellet electrode on laminate is corresponding up and down and left and right is in staggered distribution, and the lower end of the three ply board is provided with four laminates, and described four
It is fixed with L-shaped pellet electrode on laminate, the L-shaped pellet electrode one end of four laminate and third conductive column are connected to and another
End and input electrode link together, and the lower end of four laminate is provided with five laminates, fixes on five laminate along edge
There is a circle grounded metal item, five laminate and the 4th conductive column link together, and the grounded metal item and ground connection pole plate connect
It is connected together, the lower end of five laminate is provided with six laminates, and five layers of insulation are provided between four laminate and six laminates
Plate, the surface of six laminate are equipped with pellet electrode, and pellet electrode one end of six lamina surface and the 4th conductive column connect
It is connected together and the other end and output electrode link together, there are one between the pellet electrode both ends on six laminate to lack
Mouthful, the ground connection pole plate and grounding electrode link together, and the surface of the substrate is provided with direction instruction position.
Further, in order to inhibiting the spurious signal other than working frequency range, the piece of a lamina surface well
The surface of shape electrode is fixed with the copper coil of trap conjunction along edge.
Further, in order to increase the filter effect to microwave, above and below the pellet electrode on two laminate and three ply board
Corresponding and left and right is in staggered distribution.
Further, in order to for the spurious signal other than working frequency range have good attenuating, four laminate
And six be provided with insulation between laminate five laminates.
Further, in order to enable loss of the signal in transmission process is greatly diminished, along side on five laminate
Edge is fixed with a circle grounded metal item.
Further, the pellet electrode in order to enable height relatively high for the retention ratio of effective information, on six laminate
There are a notches between both ends.
The beneficial effects of the utility model are: balun filter design is rationally, the table of the pellet electrode of a lamina surface
Face is fixed with the copper coil of trap conjunction along edge, forms two centrosymmetric inductance coils, can inhibit well
Spurious signal other than working frequency range, the pellet electrode on two laminates and three ply board is corresponding up and down and left and right is in staggered distribution, shape
At capacitance structure, the filter effect to microwave is increased, five laminates of insulation are provided between four laminates and six laminates, for work
Making spurious signal other than frequency range has a good attenuating, is fixed with a circle grounded metal item along edge on five laminates,
So that loss of the signal in transmission process is greatly diminished, there are a notch between the pellet electrode both ends on six laminates,
So that height relatively high for the retention ratio of effective information, decays low.
Detailed description of the invention
Fig. 1 is the utility model overall structure decomposition diagram；
Fig. 2 is the utility model overall structure diagram；
In figure: 1, substrate, 2, ground connection pole plate, 3, one laminate, 4, pellet electrode, 5, copper coil, the 6, first conductive column, 7, the
Two conductive columns, 8, two laminates, 9, three ply board, 10, third conductive column, 11, four laminates, 12, five laminates, 13, grounded metal item,
14, the 4th conductive column, 15, six laminates, 16, input electrode, 17, grounding electrode, 18, output electrode, 19, direction instruction position.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of chip-type laminated balun filter referring to FIG. 1-2, including substrate 1, ground connection pole plate 2, a laminate 3, sheet electricity
Pole 4, copper coil 5, the first conductive column 6, the second conductive column 7, two laminates 8, three ply board 9, third conductive column 10, four laminates 11, five
Laminate 12, grounded metal article 13, the 4th conductive column 14, six laminates 15, input electrode 16, grounding electrode 17,18 and of output electrode
Direction instruction position 19；One laminate 3, two laminates 8, three ply board 9, four laminates 11, five laminates 12 and six laminates 15 are by 1 and of substrate
Pellet electrode 4 is constituted, and the two sides of the substrate 1 are fixed with ground connection pole plate 2, and the surface of a laminate 3 is fixed, and there are two mutually
The F shape pellet electrode 4 and a pellet electrode 4 of insulation and the first conductive column 6 link together and another pellet electrode 4 and
Two conductive columns 7 link together, and the surface of the pellet electrode 4 on 3 surface of a laminate is fixed with a trap along edge and closes
Copper coil 5, the lower end of a laminate 3 is provided with two laminates 8, and the surface of two laminate 8 is fixed, and there are two mutually insulateds
Pellet electrode 4, one end of the pellet electrode 4 on two laminate 8 is mounted on one end of two laminates 8 and the other end is hanging, institute
State two 4 one end of pellet electrode on two laminates 8 and ground connection pole plate 2 links together and the other end respectively with the first conductive column 6
It links together with the second conductive column 7, the lower end of two laminate 8 is provided with three ply board 9, and the surface of the three ply board 9 is fixed
There are two the pellet electrodes 4 of mutually insulated, one end of the pellet electrode 4 on the three ply board 9 be mounted on one end of three ply board 9 and
The other end is hanging, and two 4 one end of pellet electrode on the three ply board 9 and ground connection pole plate 2 link together and other end difference
It links together with the first conductive column 6 and third conductive column 10, about 4 pellet electrode on two laminate 8 and three ply board 9 is right
It answers and left and right is in staggered distribution, the lower end of the three ply board 9 is provided with four laminates 11, is fixed on four laminate 11 L-shaped
Pellet electrode 4,4 one end of pellet electrode of the four laminates 11L shape and third conductive column 10 are connected to and the other end and input electricity
Pole 16 links together, and the lower end of four laminate 11 is provided with five laminates 12, is fixed on five laminate 12 along edge
One circle grounded metal item 13, five laminate 12 and the 4th conductive column 14 link together, the grounded metal item 13 and ground connection
Pole plate 2 links together, and the lower end of five laminate 12 is provided with six laminates 15, sets between four laminate 11 and six laminates 15
Five laminates 12 of insulation are equipped with, the surface of six laminate 15 is equipped with pellet electrode 4, the sheet electricity on six laminates, 15 surface
4 one end of pole and the 4th conductive column 14 link together and the other end and output electrode 18 link together, on six laminate 15
4 both ends of pellet electrode between there are a notch, the ground connection pole plate 2 and grounding electrode 17 link together, the substrate 1
Surface be provided with direction instruction position 19.
A kind of technical optimization scheme as the utility model: the surface of the pellet electrode 4 on 3 surface of a laminate along
Edge is fixed with the copper coil 5 of trap conjunction；About 4 pellet electrode on two laminate 8 and three ply board 9 is corresponding and left
The right side is in staggered distribution；Five laminates 12 of insulation are provided between four laminate 11 and six laminates 15；On five laminate 12 along
Edge is fixed with a circle grounded metal item 13；There are a notches between 4 both ends of pellet electrode on six laminate 15.
The chip-type laminated balun will be distinguished when the utility model is used, will use according to the determination of direction instruction position first
Then ground pad on grounding electrode and circuit board is aligned, will input in input electrode and circuit board by the direction of filter
Pad alignment, then the o pads in output electrode and circuit board are aligned, the balun filter, which is finally welded on needs, makes
On circuit board.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of chip-type laminated balun filter, it is characterised in that: including substrate (1), ground connection pole plate (2), a laminate (3), piece
Shape electrode (4), copper coil (5), the first conductive column (6), the second conductive column (7), two laminates (8), three ply board (9), third are conductive
Column (10), four laminates (11), five laminates (12), grounded metal article (13), the 4th conductive column (14), six laminates (15), input electricity
Pole (16), grounding electrode (17), output electrode (18) and direction instruction position (19)；One laminate (3), two laminates (8), three layers
Plate (9), four laminates (11), five laminates (12) and six laminates (15) are made of substrate (1) and pellet electrode (4), the substrate (1)
Two sides be fixed with ground connection pole plate (2), the surface of a laminate (3) is fixed, and there are two the F shape pellet electrodes (4) of mutually insulated
And a pellet electrode (4) and the first conductive column (6) link together and another pellet electrode (4) and the second conductive column (7)
It links together, is fixed with copper coil (5) on the pellet electrode (4) on a laminate (3) surface, under a laminate (3)
End is provided with two laminates (8), and the surface of two laminate (8) is fixed there are two the pellet electrode (4) of mutually insulated, and described two layers
One end of pellet electrode (4) on plate (8) is mounted on one end of two laminates (8) and the other end is hanging, on two laminate (8)
Two pellet electrode (4) one end and ground connection pole plate (2) link together and the other end is led with the first conductive column (6) and second respectively
Electric column (7) links together, and the lower end of two laminate (8) is provided with three ply board (9), and the surface of the three ply board (9) is fixed
There are two the pellet electrode (4) of mutually insulated, one end of the pellet electrode (4) on the three ply board (9) is mounted on three ply board (9)
One end and the other end is hanging, two pellet electrode (4) one end on the three ply board (9) and ground connection pole plate (2) be connected to one
Rise and the other end links together with the first conductive column (6) and third conductive column (10) respectively, the lower end of the three ply board (9) is set
It is equipped with four laminates (11), is fixed with L-shaped pellet electrode (4) on four laminate (11), the L-shaped sheet of four laminate (11)
Electrode (4) one end and third conductive column (10) are connected to and the other end and input electrode (16) link together, four laminate
(11) lower end is provided with five laminates (12), is equipped with grounded metal item (13) on five laminate (12), five laminate
(12) it links together with the 4th conductive column (14), the grounded metal item (13) and ground connection pole plate (2) link together, described
The lower end of five laminates (12) is provided with six laminates (15), and the surface of six laminate (15) is equipped with pellet electrode (4), and described six
Pellet electrode (4) one end on laminate (15) surface and the 4th conductive column (14) link together and the other end and output electrode (18)
It links together, the ground connection pole plate (2) and grounding electrode (17) link together, the surface side of being provided with of the substrate (1)
To indicating bit (19).
2. a kind of chip-type laminated balun filter according to claim 1, it is characterised in that: a laminate (3) surface
Pellet electrode (4) surface along edge be fixed with a trap conjunction copper coil (5).
3. a kind of chip-type laminated balun filter according to claim 1, it is characterised in that: two laminate (8) and three
Pellet electrode (4) on laminate (9) is corresponding up and down and left and right is in staggered distribution.
4. a kind of chip-type laminated balun filter according to claim 3, it is characterised in that: four laminate (11) and six
Five laminates (12) of insulation are provided between laminate (15).
5. a kind of chip-type laminated balun filter according to claim 1, it is characterised in that: edge on five laminate (12)
Edge be fixed with a circle grounded metal item (13).
6. a kind of chip-type laminated balun filter according to claim 1, it is characterised in that: on six laminate (15)
There are a notches between pellet electrode (4) both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658986.XU CN209592276U (en) | 2019-05-09 | 2019-05-09 | A kind of chip-type laminated balun filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658986.XU CN209592276U (en) | 2019-05-09 | 2019-05-09 | A kind of chip-type laminated balun filter |
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| Publication Number | Publication Date |
|---|---|
| CN209592276U true CN209592276U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920658986.XU Active CN209592276U (en) | 2019-05-09 | 2019-05-09 | A kind of chip-type laminated balun filter |
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| CN (1) | CN209592276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001458A1 (en) * | 2022-06-28 | 2024-01-04 | 锐石创芯(深圳)科技股份有限公司 | Radio frequency front-end module and electronic device |
-
2019
- 2019-05-09 CN CN201920658986.XU patent/CN209592276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001458A1 (en) * | 2022-06-28 | 2024-01-04 | 锐石创芯(深圳)科技股份有限公司 | Radio frequency front-end module and electronic device |
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