CN110148819A - The capacitive coupling structure and dielectric waveguide filter of dielectric waveguide filter - Google Patents
The capacitive coupling structure and dielectric waveguide filter of dielectric waveguide filter Download PDFInfo
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- CN110148819A CN110148819A CN201910535591.5A CN201910535591A CN110148819A CN 110148819 A CN110148819 A CN 110148819A CN 201910535591 A CN201910535591 A CN 201910535591A CN 110148819 A CN110148819 A CN 110148819A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/2002—Dielectric waveguide filters
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Abstract
The invention discloses a kind of capacitive coupling structure of dielectric waveguide filter and dielectric waveguide filters, capacitive coupling structure includes through-hole between adjacent two dielectric resonators in the medium body and rotating around the first regulating tank of the through-hole being circumferentially arranged and the second regulating tank, first regulating tank is set as non-close form, second regulating tank is set as closing form, first regulating tank and second regulating tank run through the conductive layer of the medium body, the second plane relative spacing where the first plane and second regulating tank where first regulating tank is arranged, and the spacing between first plane and second plane is less than the thickness of the medium body.The capacitive coupling structure is easy to process, and scheduling and planning difficulty is low, can guarantee the quality of production；In this way, low using the scheduling and planning difficulty of the dielectric waveguide filter of the capacitive coupling structure, the quality of production is high, adapts to produce in enormous quantities.
Description
Technical field
The present invention relates to wave filter technology fields, and in particular to a kind of capacitive coupling structure of dielectric waveguide filter and Jie
Matter waveguide filter.
Background technique
Traditional dielectric waveguide filter, to obtain good loss and inhibition, usually by increasing cross-linked side
Formula need to introduce capacitive coupling structure to reach better performance and smaller volume.Traditional dielectric waveguide filter
With reaching capacitively coupled mesh, to generally use following two form: one, using deep hole form, by the inner wall for adjusting hole depth
Capacitive coupling bandwidth is controlled with the spacing on the surface of dielectric waveguide filter, spacing is smaller, and capacitive coupling bandwidth is narrower, by
This, will realize the adjusting of narrow capacitive coupling bandwidth, and spacing can be fairly small, the problem of easily punching in production process, increase
At producing debugging difficulty；Two, using the form of through-hole, the closed annulus concentric with through-hole is arranged in circumferential in through-hole, passes through
Adjust the width of annulus, width is narrower, and capacitive coupling bandwidth is narrower, to realize narrow capacitive coupling bandwidth as a result, annulus it is outer
Spacing between diameter and internal diameter can be fairly small, causes the error during scheduling and planning uncontrollable, while also increasing short-circuit wind
Danger.Therefore, the capacitive coupling structure of traditional dielectric waveguide filter, scheduling and planning difficulty is big, is unfavorable for producing in enormous quantities.
Summary of the invention
Based on this, the capacitive coupling structure and dielectric waveguide filter of a kind of dielectric waveguide filter, the appearance are proposed
Property coupled structure is easy to process, and scheduling and planning difficulty is low, can guarantee the quality of production；In this way, using the capacitive coupling structure
Dielectric waveguide filter scheduling and planning difficulty it is low, the quality of production is high, adapts to produce in enormous quantities.
Its technical solution is as follows:
On the one hand, a kind of capacitive coupling structure of dielectric waveguide filter is provided, including is set to adjacent in medium body
Two dielectric resonators between through-hole and rotating around the first regulating tank of the through-hole being circumferentially arranged and the second regulating tank,
First regulating tank is set as non-close form, and second regulating tank is set as closing form, first regulating tank and
Second regulating tank runs through the conductive layer of the medium body, the first plane where first regulating tank and described the
The second plane relative spacing setting where two regulating tanks, and the spacing between first plane and second plane is less than
The thickness of the medium body.
On the other hand, a kind of dielectric waveguide filter is provided, including the capacitive coupling structure.
Above-mentioned dielectric waveguide filter and its capacitive coupling structure, the first regulating tank of capacitive coupling structure and second are adjusted
The width of slot can flexibly be adjusted according to actual needs, compared to the form of traditional deep hole form or through-hole, be not required to individually
So that the width of the width of the first regulating tank and/or the second regulating tank is sufficiently small, the first regulating tank and the second regulating tank are utilized
Mutual cooperation effect, can simply, flexibly realize the adjusting of capacitive coupling bandwidth, to improve the flexibility of adjusting, just
In processing, scheduling and planning difficulty is also reduced, ensure that the quality of production of product, so that the consistency of dielectric waveguide filter
It is good, it adapts to produce in enormous quantities, being also convenient for dielectric waveguide filter controls different zero points, saves cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first surface of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Fig. 2 is the partial enlarged view of the capacitive coupling structure part A of the dielectric waveguide filter of Fig. 1；
Fig. 3 is the structural schematic diagram of the second surface of the capacitive coupling structure of the dielectric waveguide filter of Fig. 1；
Fig. 4 is the cross-sectional view of the part capacitive coupling structure B-B of the dielectric waveguide filter of Fig. 1；
Fig. 5 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Fig. 1；
Fig. 6 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Fig. 7 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Fig. 6；
Fig. 8 is the structural schematic diagram of the first surface of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Fig. 9 is the structural schematic diagram of the second surface of the capacitive coupling structure of the dielectric waveguide filter of Fig. 8；
Figure 10 is the cross-sectional view of the part capacitive coupling structure C-C of the dielectric waveguide filter of Fig. 8；
Figure 11 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Fig. 8；
Figure 12 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 13 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 12；
Figure 14 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 15 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 14；
Figure 16 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 17 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 16；
Figure 18 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 19 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 18；
Figure 20 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 21 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 22 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 21；
Figure 23 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 24 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 23；
Figure 25 is the structural schematic diagram of the capacitive coupling structure of the dielectric waveguide filter of one embodiment；
Figure 26 is the structural schematic diagram of another embodiment of capacitive coupling structure of the dielectric waveguide filter of Figure 25；
Figure 27 is the β of the capacitive coupling structure of the dielectric waveguide filter of one embodiment and the relationship of capacitive coupling bandwidth
Figure；
Figure 28 is the β of the capacitive coupling structure of the dielectric waveguide filter of another embodiment and the pass of capacitive coupling bandwidth
System's figure；
Figure 29 is the D of the capacitive coupling structure of the dielectric waveguide filter of one embodiment1Or D2With capacitive coupling bandwidth
Relational graph.
Description of symbols:
100, medium body, 110, through-hole, 111, the side wall of through-hole, the 120, first regulating tank, 121, the first side wall, 122,
Second sidewall, 123, first end, 124, second end, 125, first borderline, 126, second borderline, the 130, second regulating tank,
131, third side wall, the 132, the 4th side wall, 140, first surface, the 141, first escape groove, the 142, second escape groove, 143, third
Escape groove, the 144, the 4th escape groove, the 145, the 5th escape groove, 150, second surface, 160, medium block, 170, conductive layer, 1000,
Dielectric resonator, 1100, adjustment hole.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that it can be directly another when element is referred to as " being set to ", " being fixedly arranged on " another element
On a element or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, or with another yuan
Part " is fixedly connected ", and can be the mode of being detachably fixed between them is also possible to non-removable fixed form.When a member
Part is considered as " connection ", " rotation connection " another element, it can be directly to another element or may be same
When there are centering elements.Term as used herein "vertical", "horizontal", "left" and "right", "upper", "lower" and similar
Statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the constraint present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
The similar term such as heretofore described " first ", " second ", " third " does not represent specific quantity and sequence, only
It is the differentiation for title.
As shown in Figures 1 to 4, in one embodiment, a kind of capacitive coupling structure of dielectric waveguide filter is disclosed,
Including the through-hole 110 being set between two dielectric resonators 1000 adjacent in medium body 100 and rotating around the week of through-hole 110
To the first regulating tank 120 and the second regulating tank 130 of setting, the first regulating tank 120 is set as non-close form, the second regulating tank
130 are set as closing form, and the first regulating tank 120 and the second regulating tank 130 run through the conductive layer 170 of medium body 100, the
The second plane relative spacing where the first plane and the second regulating tank 130 where one regulating tank 120 is arranged, and the first plane
Spacing between the second plane is less than the thickness of medium body 100.
The capacitive coupling structure of the dielectric waveguide filter of above-described embodiment is adjacent in medium body 100 including being set to
Through-hole 110, the first regulating tank 120 and the second regulating tank 130 between two dielectric resonators 1000.Wherein, the first regulating tank
120 are set as the form of non-close, i.e. the both ends of the first regulating tank 120 are not overlapped and are formed the ring-type of disconnection, the second regulating tank
130 are set as closing form, i.e. the both ends of the second regulating tank 130 are overlapped and form complete ring-type, and 120 He of the first regulating tank
Second regulating tank 130 is arranged and around the circumferential of through-hole 110 through corresponding conductive layer 170；Meanwhile first regulating tank 120
The plane that opens up be the first plane, the plane that opens up of the second regulating tank 130 is the second plane, and the first plane is opposite with the second plane
Interval setting, and the spacing between the first plane and the second plane is less than the thickness of medium body 100.The medium of above-described embodiment
The width of the capacitive coupling structure of waveguide filter, the first regulating tank 120 and the second regulating tank 130 can be clever according to actual needs
Work is adjusted, compared to the form of traditional deep hole form or through-hole, be not required to individually to make the first regulating tank 120 width and/
Or second regulating tank 130 width it is sufficiently small, using the first regulating tank 120 and the second regulating tank 130 mutual cooperation act on, i.e.,
It can simply, flexibly realize the adjusting of capacitive coupling bandwidth, so that the flexibility of adjusting is improved, it is easy to process, it also reduces
Scheduling and planning difficulty ensure that the quality of production of product.
It needs to be illustrated, the diameter of through-hole 110 can be adjusted flexibly according to actual needs, to reach
The flexible purpose for adjusting capacitive coupling bandwidth.First regulating tank 120 and the second regulating tank 130 run through corresponding conductive layer
170, refer to the first regulating tank 120 through its conductive layer 170 for opening up position, the second regulating tank 130 also extends through it and opens up position
Conductive layer 170.The first plane where first regulating tank 120, refers on the thickness direction of medium body 100, selectes one
The first regulating tank 120 is opened up out after plane on this plane, which is the first plane；Similarly, the of the second regulating tank 130
Two planes refer on direction thickness (as shown in the F of Fig. 4) of medium body 100, open up on this plane after a selected plane
Second regulating tank 130 out, the plane are the second plane.Spacing between first plane and the second plane (as shown in the L of Fig. 4)
Less than the thickness of medium body 100, adjusted so as to more flexible and convenient the first regulating tank of selection according to demand 120 and second
Section slot 130 opens up position, enhances the flexibility of debugging.Medium body 100 may include medium block 160, on medium block 160
Through-hole 110 is offered, forms conduction by way of plating in the outer surface (side wall 111 including through-hole) of medium block 160
Layer 170, plays the role of electromagnetic shielding；Medium block 160 can be integrally formed using high dielectric constant material, can not only be played
Transmit the effect of signal, moreover it is possible to play the role of structural support；When preferably using ceramic dielectric material, medium block 160 can be with
It is made by way of die cast, the size and weight of entire dielectric waveguide filter can be substantially reduced.
As shown in figure 4, in one embodiment, medium body 100 is equipped with the first surface 140 and the of relative spacing setting
Two surfaces 150, the side wall 111 of first surface 140, second surface 150 and through-hole are equipped with conductive layer 170, and first surface 140
Equipped with the adjustment hole 1100 for adjusting frequency.In this way, can be adjusted accordingly to frequency using adjustment hole 1100.It adjusts
The depth in hole 1100 can frequency according to actual needs adjusted accordingly, only need to meet the actual needs.
As shown in Figures 1 to 4, in one embodiment, first surface 140 is equipped with the first escape groove 141, the first escape groove
141 are connected to one end of through-hole 110；The inner wall of first escape groove 141 is equipped with the first regulating tank 120, and second surface 150 is equipped with the
Two regulating tanks 130.In this way, when the elements such as wiring board are installed on first surface 140, since the first regulating tank 120 is set to
On the inner wall of first escape groove 141, thus the elements such as wiring board the normal work of the first regulating tank 120 will not be interfered or
It influences, guarantees that the first regulating tank 120 reliably can be carried out mutually with the second regulating tank 130 being opened on second surface 150
Cooperation, so that capacitive coupling bandwidth flexibly be adjusted, ensure that the reliability of work.The inner wall of first escape groove 141
Equipped with the first regulating tank 120, the bottom wall that the first regulating tank 120 is set to the first escape groove 141 can be, be also possible to
One regulating tank 120 is set to the side wall of the first escape groove 141.As shown in figure 5, in another embodiment, can also be first
The inner wall of escape groove 141 is equipped with the second regulating tank 130, and second surface 150 is equipped with the first regulating tank 120.When elements such as wiring boards
When being installed on first surface 140, the elements such as wiring board will not be interfered to the normal work of the second regulating tank 130 or shadow
It rings.The inner wall of first escape groove 141 is equipped with the second regulating tank 130, can be the second regulating tank 130 being set to the first escape groove
141 bottom wall is also possible to for the second regulating tank 130 to be set to the side wall of the first escape groove 141.
As shown in fig. 6, in one embodiment, first surface 140 is equipped with the first escape groove 141, the first escape groove 141 with
One end of through-hole 110 is connected to；The inner wall of first escape groove 141 is equipped with the first regulating tank 120, and the side wall 111 of through-hole is equipped with second
Regulating tank 130.In this way, when the elements such as wiring board are installed on first surface 140, since the first regulating tank 120 is set to
On the inner wall of one escape groove 141, so that the elements such as wiring board will not be interfered to the normal work of the first regulating tank 120 or shadow
It rings；Meanwhile second regulating tank 130 be set on the side wall 111 of through-hole, the line on second surface 150 and first surface 140
The elements such as road plate will not be interfered or be influenced on the normal work of the second regulating tank 130；Guarantee the first regulating tank 120 and
Two regulating tanks 130 reliably can mutually be cooperated, so that capacitive coupling bandwidth flexibly be adjusted, ensure that work
Reliability.The inner wall of first escape groove 141 is equipped with the first regulating tank 120, can be the first regulating tank 120 being set to first
The bottom wall of escape groove 141 is also possible to for the first regulating tank 120 to be set to the side wall of the first escape groove 141.As shown in fig. 7,
In another embodiment, it can also be that the inner wall of the first escape groove 141 is equipped with the second regulating tank 130, the side wall 111 of through-hole is equipped with
First regulating tank 120.In this way, the elements such as wiring board will not be to when the elements such as wiring board are installed on first surface 140
The normal work of two regulating tanks 130 is interfered or is influenced；Meanwhile first regulating tank 120 be set on the side wall 111 of through-hole,
The elements such as the wiring board on second surface 150 and first surface 140 will not make the normal work of the first regulating tank 120
At interference or influence；Guarantee that the first regulating tank 120 reliably can mutually be cooperated with the second regulating tank 130, thus to appearance
Property coupling bandwidth be flexibly adjusted, ensure that the reliability of work.The inner wall of first escape groove 141 is equipped with the second regulating tank
130, it can be the bottom wall that the second regulating tank 130 is set to the first escape groove 141, be also possible to set the second regulating tank 130
It is placed in the side wall of the first escape groove 141.
As shown in Fig. 8 to Figure 10, in one embodiment, second surface 150 is equipped with the second escape groove 142, the second evacuation
Slot 142 is connected to one end of through-hole 110；The inner wall of second escape groove 142 is equipped with the first regulating tank 120, and first surface 140 is equipped with
Second regulating tank 130.In this way, when the elements such as wiring board are installed on second surface 150, since the first regulating tank 120 is arranged
In on the inner wall of the second escape groove 142, so that the elements such as wiring board will not interfere the normal work of the first regulating tank 120
Or influence, guarantee the first regulating tank 120 can reliably with the second regulating tank 130 for being opened on first surface 140 mutually into
Row cooperation, so that capacitive coupling bandwidth flexibly be adjusted, ensure that the reliability of work.Second escape groove 142 it is interior
Wall be equipped with the first regulating tank 120, can be the bottom wall that the first regulating tank 120 is set to the second escape groove 142, be also possible to by
First regulating tank 120 is set to the side wall of the second escape groove 142.As shown in figure 11, in another embodiment, it can also be
The inner wall of two escape groove 142 is equipped with the second regulating tank 130, and first surface 140 is equipped with the first regulating tank 120.In this way, working as wiring board
When equal elements are installed on second surface 150, the elements such as wiring board will not cause to do to the normal work of the second regulating tank 130
It disturbs or influences.The inner wall of second escape groove 142 is equipped with the second regulating tank 130, can be the second regulating tank 130 being set to second
The bottom wall of escape groove 142 is also possible to for the second regulating tank 130 to be set to the side wall of the second escape groove 142.
As shown in figure 12, in one embodiment, second surface 150 is equipped with the second escape groove 142, the second escape groove 142
It is connected to one end of through-hole 110；The inner wall of second escape groove 142 is equipped with the first regulating tank 120, and the side wall 111 of through-hole is equipped with the
Two regulating tanks 130.In this way, when the elements such as wiring board are installed on second surface 150, since the first regulating tank 120 is set to
On the inner wall of second escape groove 142, thus the elements such as wiring board the normal work of the first regulating tank 120 will not be interfered or
It influences；Meanwhile second regulating tank 130 be set on the side wall 111 of through-hole, on first surface 140 and second surface 150
The elements such as wiring board will not be interfered or be influenced on the normal work of the second regulating tank 130；Guarantee the first regulating tank 120 with
Second regulating tank 130 reliably can mutually be cooperated, so that capacitive coupling bandwidth flexibly be adjusted, ensure that work
The reliability of work.The inner wall of second escape groove 142 is equipped with the first regulating tank 120, can be the first regulating tank 120 being set to the
The bottom wall of two escape groove 142 is also possible to for the first regulating tank 120 to be set to the side wall of the second escape groove 142.Such as Figure 13 institute
Show, in another embodiment, can also be that the inner wall of the second escape groove 142 is equipped with the second regulating tank 130, the side wall of through-hole
111 are equipped with the first regulating tank 120.In this way, when the elements such as wiring board are installed on second surface 150, the elements such as wiring board
The normal work of second regulating tank 130 will not be interfered or be influenced；Meanwhile first regulating tank 120 be set to the side of through-hole
On wall 111, the elements such as wiring board on second surface 150 and first surface 140 will not be to the first regulating tank 120 just
Often work is interfered or is influenced；Guarantee that the first regulating tank 120 reliably can mutually be cooperated with the second regulating tank 130,
To which capacitive coupling bandwidth flexibly be adjusted, the reliability of work ensure that.The inner wall of second escape groove 142 is equipped with the
Two regulating tanks 130 can be the bottom wall that the second regulating tank 130 is set to the second escape groove 142, be also possible to adjust second
Slot 130 is set to the side wall of the second escape groove 142.
As shown in figure 14, in one embodiment, first surface 140 is equipped with third escape groove 143, third escape groove 143
It is connected to one end of through-hole 110, second surface 150 is equipped with the 4th escape groove 144, and the 4th escape groove 144 is another with through-hole 110
End connection；The inner wall of third escape groove 143 is equipped with the first regulating tank 120, and the inner wall of the 4th escape groove 144 is equipped with the second regulating tank
130.In this way, when the elements such as wiring board are installed on first surface 140, since the first regulating tank 120 is set to third evacuation
On the inner wall of slot 143, so that the elements such as wiring board will not be interfered or be influenced on the normal work of the first regulating tank 120；Together
When, when the elements such as wiring board are installed on second surface 150, since the second regulating tank 130 is set to the 4th escape groove 144
On inner wall, so that the elements such as wiring board will not be interfered or be influenced on the normal work of the second regulating tank 130；Guarantee that first adjusts
Section slot 120 reliably can mutually be cooperated with the second regulating tank 130, to flexibly adjust to capacitive coupling bandwidth
Section, ensure that the reliability of work.The inner wall of third escape groove 143 is equipped with the first regulating tank 120, can be the first regulating tank
120 are set to the bottom wall of third escape groove 143, are also possible to for the first regulating tank 120 to be set to the side of third escape groove 143
Wall.The inner wall of 4th escape groove 144 is equipped with the second regulating tank 130, can be the second regulating tank 130 being set to the 4th escape groove
144 bottom wall is also possible to for the second regulating tank 130 to be set to the side wall of the 4th escape groove 144.
As shown in figure 15, in another embodiment, it can also be that the inner wall of third escape groove 143 is equipped with the second regulating tank
130, the inner wall of the 4th escape groove 144 is equipped with the first regulating tank 120.In this way, when the elements such as wiring board are installed in first surface 140
When upper, since the second regulating tank 130 is set on the inner wall of third escape groove 143, so that the elements such as wiring board will not be to second
The normal work of regulating tank 130 is interfered or is influenced；Meanwhile when the elements such as wiring board are installed on second surface 150, by
It is set on the inner wall of the 4th escape groove 144 in the first regulating tank 120, so that the elements such as wiring board will not be to the first regulating tank
120 normal work is interfered or is influenced；Guarantee the first regulating tank 120 and the second regulating tank 130 can reliably mutually into
Row cooperation, so that capacitive coupling bandwidth flexibly be adjusted, ensure that the reliability of work.Third escape groove 143 it is interior
Wall be equipped with the second regulating tank 130, can be the bottom wall that the second regulating tank 130 is set to third escape groove 143, be also possible to by
Second regulating tank 130 is set to the side wall of third escape groove 143.The inner wall of 4th escape groove 144 is equipped with the first regulating tank 120,
It can be the bottom wall that the first regulating tank 120 is set to the 4th escape groove 144, be also possible to for the first regulating tank 120 being set to
The side wall of 4th escape groove 144.
As shown in figure 16, in one embodiment, first surface 140 is equipped with the first escape groove 141, the first escape groove 141
It is connected to one end of through-hole 110；The inner wall of first escape groove 141 is equipped with the first regulating tank 120, and first surface 140 is equipped with second
Regulating tank 130.In this way, the first regulating tank 120 and the second regulating tank 130 is close or be set to the first table of medium body 100
Face 140 is arranged, and when processing, which is not required to overturning medium body 100, can open up out the first regulating tank 120 and the second regulating tank 130, saves
Procedure of processing is saved；Meanwhile it is also possible that the first regulating tank 120 is mutually cooperated with the second regulating tank 130, thus to appearance
Property coupling bandwidth be flexibly adjusted, reduce scheduling and planning difficulty.The inner wall of first escape groove 141 is equipped with the first regulating tank
120, it can be the bottom wall that the first regulating tank 120 is set to the first escape groove 141, be also possible to set the first regulating tank 120
It is placed in the side wall of the first escape groove 141.
As shown in figure 17, in another embodiment, it can also be that the inner wall of the first escape groove 141 is equipped with the second regulating tank
130, first surface 140 is equipped with the first regulating tank 120.Similarly, overturning medium body 100 is not required to when processing can open up out first
Regulating tank 120 and the second regulating tank 130, save procedure of processing；Meanwhile it is also possible that the first regulating tank 120 and second is adjusted
Section slot 130 is mutually cooperated, so that capacitive coupling bandwidth flexibly be adjusted, reduces scheduling and planning difficulty.First
The inner wall of escape groove 141 is equipped with the second regulating tank 130, can be the bottom that the second regulating tank 130 is set to the first escape groove 141
Wall is also possible to for the second regulating tank 130 to be set to the side wall of the first escape groove 141.
As shown in figure 18, in one embodiment, second surface 150 is equipped with the second escape groove 142, the second escape groove 142
It is connected to one end of through-hole 110；The inner wall of second escape groove 142 is equipped with the first regulating tank 120, and second surface 150 is equipped with second
Regulating tank 130.In this way, the first regulating tank 120 and the second regulating tank 130 is close or be set to the second table of medium body 100
Face 150 is arranged, and when processing, which is not required to overturning medium body 100, can open up out the first regulating tank 120 and the second regulating tank 130, saves
Procedure of processing is saved；Meanwhile it is also possible that the first regulating tank 120 is mutually cooperated with the second regulating tank 130, thus to appearance
Property coupling bandwidth be flexibly adjusted, reduce scheduling and planning difficulty.The inner wall of second escape groove 142 is equipped with the first regulating tank
120, it can be the bottom wall that the first regulating tank 120 is set to the second escape groove 142, be also possible to set the first regulating tank 120
It is placed in the side wall of the second escape groove 142.
As shown in figure 19, in another embodiment, it can also be that the inner wall of the second escape groove 142 is equipped with the second regulating tank
130, second surface 150 is equipped with the first regulating tank 120.Similarly, overturning medium body 100 is not required to when processing can open up out first
Regulating tank 120 and the second regulating tank 130, save procedure of processing；Meanwhile it is also possible that the first regulating tank 120 and second is adjusted
Section slot 130 is mutually cooperated, so that capacitive coupling bandwidth flexibly be adjusted, reduces scheduling and planning difficulty.Second
The inner wall of escape groove 142 is equipped with the second regulating tank 130, can be the bottom that the second regulating tank 130 is set to the second escape groove 142
Wall is also possible to for the second regulating tank 130 to be set to the side wall of the second escape groove 142.
As shown in figure 20, in one embodiment, first surface 140 is equipped with the 5th escape groove 145, the first regulating tank 120
It is set to the side wall of the 5th escape groove 145, the second regulating tank 130 is set to the bottom wall of the 5th escape groove 145.In this way, working as route
When the elements such as plate are installed on first surface 140, since the first regulating tank 120 and the second regulating tank 130 are all set in the 5th and keep away
It allows on the inner wall of slot 145, so that the elements such as wiring board will not be to the normal work of the first regulating tank 120 and the second regulating tank 130
It interferes or influences；Meanwhile it also can guarantee that the first regulating tank 120 reliably can mutually be matched with the second regulating tank 130
It closes, so that capacitive coupling bandwidth flexibly be adjusted, ensure that the reliability of work.Certainly, in other embodiments, also
First regulating tank 120 can be set to the bottom wall of the 5th escape groove 145, the second regulating tank 130 is set to the 5th escape groove 145
Side wall.Meanwhile in a further embodiment, the 5th escape groove 145 can also be set on second surface 150, first adjusts
It saves the arrangement of slot 120 and the second regulating tank 130 on the inner wall of the 5th escape groove 145 to be same as above, repeat no more.
As shown in figure 21, in one embodiment, first surface 140 is equipped with the first regulating tank 120, the side wall 111 of through-hole
Equipped with the second regulating tank 130.In this way, the first regulating tank 120 being set on first surface 140 can be with the side wall set on through-hole
The second regulating tank 130 on 111 is mutually cooperated so that flexibly capacitive coupling bandwidth to be adjusted, and scheduling and planning is reduced
Difficulty.
As shown in figure 22, in one embodiment, first surface 140 is equipped with the second regulating tank 130, the side wall 111 of through-hole
Equipped with the first regulating tank 120.In this way, the second regulating tank 130 being set on first surface 140 can be with the side wall set on through-hole
The first regulating tank 120 on 111 is mutually cooperated so that flexibly capacitive coupling bandwidth to be adjusted, and scheduling and planning is reduced
Difficulty.
As shown in figure 23, in one embodiment, second surface 150 is equipped with the first regulating tank 120, the side wall 111 of through-hole
Equipped with the second regulating tank 130.In this way, the first regulating tank 120 being set on second surface 150 can be with the side wall set on through-hole
The second regulating tank 130 on 111 is mutually cooperated so that flexibly capacitive coupling bandwidth to be adjusted, and scheduling and planning is reduced
Difficulty.
As shown in figure 24, in one embodiment, second surface 150 is equipped with the second regulating tank 130, the side wall 111 of through-hole
Equipped with the first regulating tank 120.In this way, the second regulating tank 130 being set on second surface 150 can be with the side wall set on through-hole
The first regulating tank 120 on 111 is mutually cooperated so that flexibly capacitive coupling bandwidth to be adjusted, and scheduling and planning is reduced
Difficulty.
As shown in figure 25, in one embodiment, the side wall 111 of through-hole is equipped with the first regulating tank 120 and the second regulating tank
130；Opposite second regulating tank 130 of first regulating tank 120 is arranged close to first surface 140.In this way, the first regulating tank 120 and
Two regulating tanks 130 are all set on the side wall 111 of through-hole, are set to the first surface 140 and second surface of medium body 100
The elements such as the wiring board on 150 will not be interfered to the normal work of the first regulating tank 120 and the second regulating tank 130 or shadow
It rings, ensure that the reliability of work.
As shown in figure 26, in one embodiment, the side wall 111 of through-hole is equipped with the first regulating tank 120 and the second regulating tank
130；Opposite first regulating tank 120 of second regulating tank 130 is arranged close to first surface 140.In this way, the first regulating tank 120 and
Two regulating tanks 130 are all set on the side wall 111 of through-hole, are set to the first surface 140 and second surface of medium body 100
The elements such as the wiring board on 150 will not be interfered to the normal work of the first regulating tank 120 and the second regulating tank 130 or shadow
It rings, ensure that the reliability of work.
In order to realize narrow capacitive coupling bandwidth, while production difficulty is reduced, so that the processing is simple for design, is easily assembled,
The width of first regulating tank 120 and the second regulating tank 130 can flexibly be adjusted according to actual requirement, thus repeat into
Row debugging, also reduces the difficulty of design and debugging.
As shown in Fig. 2, in one embodiment, the size of the first regulating tank 120 is adjustable.In this way, by adjusting the
The size of one regulating tank 120, to adjust the capacitive coupling amount of two adjacent dielectric resonators.Wherein the first regulating tank
120 area refers to the area of the conductive layer removed in medium body, adjusts the area of the first regulating tank 120, can pass through tune
The width or perimeter for saving the first regulating tank 120 are realized；For example, when the first regulating tank 120 is the annulus of non-close form, it can be with
By adjusting the annulus of non-close form radius or arc length to realize the adjustable of size.
As shown in Fig. 2, in one embodiment, the first regulating tank 120 is set as the annulus of non-close form, and first adjusts
Save the first side wall 121 and second sidewall 122 that slot 120 includes relative spacing setting, the first side wall 121 and second sidewall 122 it
Between spacing be D1, and D1It is adjustable.In this way, the spacing between the first side wall 121 and second sidewall 122 is adjustable, preferably D1Greater than etc.
In 0.5mm, i.e., the width of the first regulating tank 120 is greater than 0.5mm, is designed conducive to the first regulating tank 120, while also can be
Narrowing for capacitive coupling bandwidth is realized under the action of cooperating with the second regulating tank 130, the width of the first regulating tank 120 is got over
Narrow, capacitive coupling bandwidth is narrower.The width of first regulating tank 120 can be 0.5mm, 1mm, 2.5mm or other can be with second
Regulating tank 130 cooperates and realizes the size of narrow capacitive coupling bandwidth.Certainly, D1It might be less that 0.5mm, only need to meet
Processing request and use demand.
As shown in figure 3, in one embodiment, the size of the second regulating tank 130 is adjustable.In this way, by adjusting the
The size of two regulating tanks 130, to adjust the capacitive coupling amount of two adjacent dielectric resonators.Wherein, it second adjusts
The area of slot 130 refers to the area of the conductive layer removed in medium body, adjusts the area of the second regulating tank 130, can pass through
The width or perimeter for adjusting the second regulating tank 130 are realized；For example, when the second regulating tank 130 is the annulus of closing form, it can be with
By adjusting closing form internal radius or outer diameter to realize the adjustable of size.The area of second regulating tank 130 and
The area of one regulating tank 120 can be adjusted individually or be adjusted simultaneously.
As shown in figure 3, in one embodiment, the second regulating tank 130 is set as the annulus of closing form, and second is adjusted
Slot 130 includes the third side wall 131 and the 4th side wall 132 of relative spacing setting, between third side wall 131 and the 4th side wall 132
Spacing be D2, and D2It is adjustable.In this way, the spacing between third side wall 131 and the 4th side wall 132 is adjustable, preferably D2It is more than or equal to
0.5mm, the i.e. width of the second regulating tank 130 be greater than 0.5mm, be designed conducive to the second regulating tank 130, at the same also can with
First regulating tank 120 realizes narrowing for capacitive coupling bandwidth under the action of cooperating, and the width of the second regulating tank 130 is narrower,
Capacitive coupling bandwidth is narrower.The width of second regulating tank 130 can be 0.5mm, 1mm, 2.5mm or other and can adjust with first
Slot 120 cooperates and realizes the size of narrow capacitive coupling bandwidth.So that the width of the second regulating tank 130 is not required to too
It is narrow, it can be avoided the problem for occurring short circuit between the conductive layer 170 separated by the second regulating tank 130.Certainly, D2It might be less that
0.5mm need to only meet processing request and use demand.Meanwhile D2With D1Can be adjusted respectively, can also simultaneously into
Row is adjusted.
As shown in Fig. 2, based on any of the above embodiments, the first regulating tank 120 includes opposite 123 He of first end
Second end 124, first end 123 and the setting of the interval of second end 124, the line of first end 123 to the center of through-hole 110 are the first side
Boundary line 125, the line of second end 124 to the center of through-hole 110 are second borderline 126, first borderline 125 and the second boundary
Angle between line 126 is β, and β is adjustable.In this way, first regulating tank 120 is by first along the length direction of the first regulating tank 120
End 123 extends to second end 124, the interval setting of first end 123 and second end 124, to realize the first regulating tank 120 around logical
Hole 110 is partially circumferentially arranged rather than completely around the circumferential direction setting of through-hole 110.Meanwhile it can be by adjusting the first boundary
Angle β between line 125 and second borderline 126 when β angle changes, holds so that capacitive coupling bandwidth be adjusted
Property coupling bandwidth width corresponding change to narrow.And 0 ° < β < 360 °, and β can for 45 °, 90 °, 135 °, 180 °, 225 ° or
Other enable the first regulating tank 120 and the second regulating tank 130 to cooperate and angle that capacitive coupling bandwidth is adjusted
Degree.Meanwhile β can be with D2And D1It is individually adjusted, can also be adjusted simultaneously.
Based on any of the above embodiments, the cross sectional shape of the first regulating tank 120 be non-close form circular ring shape,
The square frame-shaped of non-close form or the ellipse of non-close form.The cross sectional shape of first regulating tank 120 can be according to practical life
Production condition and production requirement are flexibly adjusted.The cross sectional shape of first regulating tank 120 is preferably the annulus of non-close form
Shape, it is easy to process, reduce production difficulty.
Based on any of the above embodiments, the cross sectional shape of the second regulating tank 130 is the circular ring shape of closing form, envelope
Close the square frame-shaped of form or the ellipse of closing form.The cross sectional shape of second regulating tank 130 can be according to actual production conditions
It is flexibly adjusted with production requirement.The cross sectional shape of second regulating tank 130 is preferably the circular ring shape of closing form, convenient for adding
Work reduces production difficulty.
It needs to be illustrated, when the first regulating tank 120 is set to escape groove (the first escape groove 141, the second escape groove
142, third escape groove 143, the 4th escape groove 144, the 5th escape groove 145) bottom wall or medium body 100 surface (first
Surface 140 or second surface 150) on when, the first regulating tank 120 include relative spacing setting the first side wall 121 and second side
Wall 122,121 second opposing lateral wall 122 of the first side wall close to through-hole 110 central axis be arranged, can be the first side wall 121 with
The side wall 111 of through-hole is spaced setting, is also possible to the first side wall 121 and is overlapped with the side wall 111 of through-hole.When the first side wall 121 with
When the side wall 111 of through-hole is spaced setting, even if through-hole 110 opens up in the process, there are errors, in subsequent first regulating tank 120
It will not be affected by errors during opening up, reduce design difficulty, guarantee that the first regulating tank 120 can be adjusted with second
Slot 130 cooperates, and realizes narrow capacitive coupling bandwidth；Meanwhile the side wall 111 by adjusting the first side wall 121 and through-hole it
Between spacing distance, also flexibly capacitive coupling bandwidth can be adjusted.When 111 weight of side wall of the first side wall 121 and through-hole
When conjunction, first opening up for regulating tank 120 can be positioned using the central axis of through-hole 110, so that the first regulating tank 120
Central axis can be overlapped as far as possible with the central axis of through-hole 110 or close, reduce design error.Similarly, when second adjusts
Section slot 130 be set to escape groove (the first escape groove 141, the second escape groove 142, the 4th escape groove 144 of third escape groove 143 or
5th escape groove 145) bottom wall or medium body 100 surface (first surface 140 or second surface 150) on when, second adjust
The third side wall 131 and the 4th side wall 132 that slot 130 includes relative spacing setting are saved, third side wall 131 is with respect to the 4th side wall 132
Central axis close to through-hole 110 is arranged, and the interval of side wall 111 that can be third side wall 131 and through-hole is arranged, and is also possible to the
Three side walls 131 are overlapped with the side wall 111 of through-hole.When the side wall 111 of third side wall 131 and through-hole, which is spaced, to be arranged, even if through-hole
110 open up during there are error, in will not being affected by errors during opening up for subsequent second regulating tank 130,
Design difficulty is reduced, guarantees that the second regulating tank 130 can cooperate with the first regulating tank 120, realizes narrow capacitive coupling
Bandwidth；It, also can be flexibly to capacitive coupling meanwhile by adjusting the spacing distance between third side wall 131 and the side wall 111 of through-hole
Crossed belt width is adjusted.When third side wall 131 is overlapped with the side wall 111 of through-hole, the central axis pair of through-hole 110 can be utilized
Second opening up for regulating tank 130 is positioned, and enables the central axis of the second regulating tank 130 as far as possible and in through-hole 110
The coincidence or close of mandrel line, reduces design error.
In one embodiment, the cross sectional shape of the first regulating tank 120 is the first annulus, and the first annulus and through-hole 110 are same
Heart setting, the first annulus extends to second end 124 by first end 123, and first end 123 and the interval of second end 124 are arranged, through-hole
110 diameter is 2mm, and the internal diameter of the first annulus is 2.4mm, and the outer diameter of the first annulus is 4mm, i.e. the width of the first annulus is
1.6mm.The first end 123 of first annulus to the center of circle of through-hole 110 line be first borderline 125, the second of the first annulus
The line in end 124 to the center of circle of through-hole 110 is second borderline 126, between first borderline 125 and second borderline 126
Angle is β；The cross sectional shape of second regulating tank 130 is closed second annulus, and the second annulus is arranged concentrically with through-hole 110,
The internal diameter of second annulus is 2.4mm, and the outer diameter of the second annulus is 4mm, i.e., the width of the second annulus is 1.6mm.In this way, such as Figure 27
And shown in Figure 28, be not required to by adjust the first annulus and the second annulus width, only need to by adjust β size can be to capacitive
Coupling bandwidth is adjusted accordingly, simply, conveniently, reduces design difficulty and production difficulty.
In one embodiment, the cross sectional shape of the first regulating tank 120 is third annulus, and third annulus and through-hole 110 are same
Heart setting, the diameter of through-hole 110 are 2mm, and third annulus extends to second end 124 by first end 123, and first end 123 and the
The internal diameter of the setting of two ends 124 interval, third annulus is 2.4mm, and the spacing of the outer diameter and the internal diameter of third annulus of third annulus is
D1, i.e. the width of third annulus is D1.The line in the first end 123 of third annulus to the center of circle of through-hole 110 is first borderline
125, the line of the second end 124 of third annulus to the center of circle of through-hole 110 is second borderline 126, first borderline 125 and the
Angle between two boundary lines 126 is β, and β=260 °；The cross sectional shape of second regulating tank 130 is closed 4th annulus, and
4th annulus is arranged concentrically with through-hole 110, and the internal diameter of the 4th annulus is 2.4mm, and the outer diameter of the 4th annulus and the 4th annulus
The spacing of internal diameter is D2, i.e. the width of the 4th annulus is D2.In this way, as shown in figure 29, only need to flexibly adjust D1With D2Size
Capacitive coupling bandwidth can be adjusted accordingly, simply, conveniently, reduce design difficulty and production difficulty.
In one embodiment, a kind of dielectric waveguide filter is also disclosed, the capacitive coupling including any of the above-described embodiment
Close structure.
The dielectric waveguide filter of above-described embodiment, capacitive coupling structure include adjacent two in the medium body 100
Through-hole 110, the first regulating tank 120 and the second regulating tank 130 between a dielectric resonator 1000.Wherein, the first regulating tank 120
It is set as the form of non-close, i.e. the both ends of the first regulating tank 120 are not overlapped and are formed the ring-type of disconnection, the second regulating tank 130
It is set as closing form, i.e. the both ends of the second regulating tank 130 are overlapped and form complete cyclic annular, and the first regulating tank 120 and the
Two regulating tanks 130 are arranged and around the circumferential of through-hole 110 through corresponding conductive layer 170；Meanwhile first regulating tank 120
Opening up plane is the first plane, and the plane that opens up of the second regulating tank 130 is the second plane, between the first plane is opposite with the second plane
Every setting, and the spacing between the first plane and the second plane is less than the thickness of medium body 100.The medium wave of above-described embodiment
Waveguide filter, the first regulating tank 120 of capacitive coupling structure and the width of the second regulating tank 130 can according to actual needs flexibly
Be adjusted, compared to the form of traditional deep hole form or through-hole, be not required to individually to make the width of the first regulating tank 120 and/or
The width of second regulating tank 130 is sufficiently small, is acted on using the mutual cooperation of the first regulating tank 120 and the second regulating tank 130
Simply, the adjusting of capacitive coupling bandwidth is flexibly realized, so that the flexibility of adjusting is improved, it is easy to process, also reduce life
Debugging difficulty is produced, ensure that the quality of production of product, so that the consistency of dielectric waveguide filter is good, adapts to produce in enormous quantities,
It is also convenient for dielectric waveguide filter to control different zero points, saves cost.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the constraint to patent of invention range.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (12)
1. a kind of capacitive coupling structure of dielectric waveguide filter, which is characterized in that including being set to adjacent two in medium body
Through-hole between a dielectric resonator and rotating around the first regulating tank of the through-hole being circumferentially arranged and the second regulating tank, it is described
First regulating tank is set as non-close form, and second regulating tank is set as closing form, first regulating tank and described
Second regulating tank runs through the conductive layer of the medium body, and the first plane where first regulating tank and described second is adjusted
The second plane relative spacing setting where slot is saved, and the spacing between first plane and second plane is less than described
The thickness of medium body.
2. the capacitive coupling structure of dielectric waveguide filter according to claim 1, which is characterized in that the medium body
First surface and second surface equipped with relative spacing setting, the side of the first surface, the second surface and the through-hole
Wall is equipped with the conductive layer, and the first surface is equipped with the adjustment hole for adjusting frequency.
3. the capacitive coupling structure of dielectric waveguide filter according to claim 2, which is characterized in that the first surface
Equipped with the first escape groove, first escape groove is connected to one end of the through-hole；
Any one regulating tank in first regulating tank and second regulating tank is set to the inner wall of first escape groove,
Another regulating tank is set to the side wall of the first surface or the second surface or the through-hole.
4. the capacitive coupling structure of dielectric waveguide filter according to claim 2, which is characterized in that the second surface
Equipped with the second escape groove, second escape groove is connected to one end of the through-hole；
Any one regulating tank in first regulating tank and second regulating tank is set to the inner wall of second escape groove,
Another regulating tank is set to the side wall of the first surface or the second surface or the through-hole.
5. the capacitive coupling structure of dielectric waveguide filter according to claim 2, which is characterized in that the first surface
Equipped with third escape groove, the third escape groove is connected to one end of the through-hole, and the second surface is equipped with the 4th escape groove,
4th escape groove is connected to the other end of the through-hole；
The inner wall of the third escape groove is equipped with first regulating tank, and the inner wall of the 4th escape groove is equipped with described second and adjusts
Save slot；Alternatively, the inner wall of the third escape groove is equipped with second regulating tank, the inner wall of the 4th escape groove is equipped with described
First regulating tank.
6. the capacitive coupling structure of dielectric waveguide filter according to claim 2, which is characterized in that the first surface
Or the second surface is equipped with the 5th escape groove, first regulating tank and second regulating tank are all set in the described 5th and keep away
Allow the inner wall of slot.
7. the capacitive coupling structure of dielectric waveguide filter according to claim 2, which is characterized in that described first is adjusted
Any one regulating tank in slot and second regulating tank is set on the first surface or the second surface, another tune
Save the side wall that slot is set to the through-hole.
8. the capacitive coupling structure of dielectric waveguide filter according to claim 1, which is characterized in that described first is adjusted
Slot and second regulating tank are respectively separated the side wall set on the through-hole.
9. the capacitive coupling structure of dielectric waveguide filter according to any one of claims 1 to 8, which is characterized in that institute
Stating the first regulating tank includes opposite first end and second end, and the first end and the second end interval are arranged, and described first
Holding the line to the center of the through-hole is first borderline, and the line of the second end to the center of the through-hole is the second side
Boundary line, the angle between the first borderline and the second borderline is β, and β is adjustable.
10. the capacitive coupling structure of dielectric waveguide filter according to any one of claims 1 to 8, which is characterized in that institute
The size for stating the first regulating tank is adjustable；And/or the size of second regulating tank is adjustable.
11. the capacitive coupling structure of dielectric waveguide filter according to any one of claims 1 to 8, which is characterized in that institute
The cross sectional shape for stating the first regulating tank is the ellipse of the circular ring shape of non-close form, the square frame-shaped of non-close form or non-close form
It is round；And/or the cross sectional shape of second regulating tank is the circular ring shape of closing form, the square frame-shaped of closing form or closing
The ellipse of form.
12. a kind of dielectric waveguide filter, which is characterized in that including capacitive coupling as described in any one of claim 1 to 11
Structure.
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| CN201910535591.5A CN110148819B (en) | 2019-06-20 | 2019-06-20 | Capacitive coupling structure of dielectric waveguide filter and dielectric waveguide filter |
| PCT/CN2019/105224 WO2020252946A1 (en) | 2019-06-20 | 2019-09-10 | Capacitive coupling structure for dielectric waveguide filter and dielectric waveguide filter |
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| CN201910535591.5A CN110148819B (en) | 2019-06-20 | 2019-06-20 | Capacitive coupling structure of dielectric waveguide filter and dielectric waveguide filter |
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| CN114402483B (en) * | 2019-09-30 | 2023-08-22 | 华为技术有限公司 | Dielectric filter and communication device |
| CN110600840A (en) * | 2019-09-30 | 2019-12-20 | 京信通信技术(广州)有限公司 | Capacitive coupling structure of dielectric filter, balance degree adjusting method and filter |
| EP4027450A4 (en) * | 2019-09-30 | 2022-10-05 | Huawei Technologies Co., Ltd. | Dielectric filter and communication device |
| WO2021062923A1 (en) * | 2019-09-30 | 2021-04-08 | 京信通信技术(广州)有限公司 | Capacitive coupling structure and balance degree adjustment method of dielectric filter, and filter |
| WO2021062924A1 (en) * | 2019-09-30 | 2021-04-08 | 京信通信技术(广州)有限公司 | Capacitive coupling structure and design method of dielectric filter, and dielectric filter |
| CN110600840B (en) * | 2019-09-30 | 2021-06-25 | 京信通信技术(广州)有限公司 | Balance degree adjusting method of dielectric filter and filter |
| CN110611143B (en) * | 2019-09-30 | 2021-07-23 | 京信通信技术(广州)有限公司 | Capacitive coupling structure of dielectric filter, design method and dielectric filter |
| CN110611143A (en) * | 2019-09-30 | 2019-12-24 | 京信通信技术(广州)有限公司 | Capacitive coupling structure of dielectric filter, design method and dielectric filter |
| CN110783668A (en) * | 2019-10-12 | 2020-02-11 | 京信通信技术(广州)有限公司 | Communication device, dielectric waveguide filter and capacitance coupling adjusting method thereof |
| CN110729534A (en) * | 2019-10-21 | 2020-01-24 | 摩比科技（深圳）有限公司 | Dielectric waveguide filter |
| CN110911787A (en) * | 2019-11-28 | 2020-03-24 | 京信通信技术(广州)有限公司 | Dielectric filter and communication apparatus |
| CN111211386A (en) * | 2019-12-31 | 2020-05-29 | 江苏灿勤科技股份有限公司 | Dielectric filter and radio transceiver |
| CN111430855A (en) * | 2019-12-31 | 2020-07-17 | 江苏灿勤科技股份有限公司 | Dielectric filter and radio transceiver device including the same |
| CN111446525A (en) * | 2020-02-19 | 2020-07-24 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter, transceiver and base station |
| WO2021196797A1 (en) * | 2020-04-03 | 2021-10-07 | 京信通信技术(广州)有限公司 | Communication device, dielectric waveguide filter and capacitive coupling adjustment method thereof |
| CN115483517A (en) * | 2021-05-31 | 2022-12-16 | 上海华为技术有限公司 | Dielectric filter, printed circuit board and communication equipment |
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| CN110148819B (en) | 2024-03-26 |
| WO2020252946A1 (en) | 2020-12-24 |
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