CN206673928U - Wave filter - Google Patents
Wave filter Download PDFInfo
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- CN206673928U CN206673928U CN201720431253.3U CN201720431253U CN206673928U CN 206673928 U CN206673928 U CN 206673928U CN 201720431253 U CN201720431253 U CN 201720431253U CN 206673928 U CN206673928 U CN 206673928U
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- reactance component
- reactance
- wave filter
- component
- medium substrate
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Abstract
The utility model embodiment provides a kind of wave filter, and it includes：Medium substrate, the first reactance component, the second reactance component, first reactance component and/or the second reactance component part are embedded in the medium substrate, first reactance component, second reactance component can form active filter structure or passive filtering structure, first reactance component, all active components of the second reactance component, or, first reactance component, all passive elements of the second reactance component, or, it is divided into passive element in the middle part of first reactance component, second reactance component, is partly active component.The utility model embodiment causes wave filter to meet the development trend of small size in overall structure, so as to provide a kind of technical scheme for solving prior art problem.
Description
Technical field
The utility model embodiment is related to technical field of electronic devices, more particularly to a kind of wave filter.
Background technology
Passive filter, also known as LC wave filters, it is the filtered electrical formed using the Combination Design of inductance, electric capacity and resistance
Road, certain can be filtered out once or multiple harmonic, the most common passive filter structure for being easy to use is that inductance is connected with electric capacity, can
Out of band signal level is formed and suppressed；Bandpass filter, low pass filter, high-pass filter, bandstop filter belong to passive
Wave filter.
Passive filter as in communication system be used for suppress the indispensable important passive device of interference signal, Ke Yishi
The signal of existing passband passes through and the noise outside rejection band.It is but fast with mobile communication, satellite communication and Radar Technology
Speed development, the device of miniaturization have become the developing direction of microwave current RF application.
Consider that use frequency range till now has been quite full, in order to tackle the frequency resource of growing tension, communication system
Higher requirement is proposed in miniaturization to the size of LC wave filters.
But, it would be highly desirable to a kind of LC wave filters for meeting miniaturization trend are provided.
Utility model content
In view of this, one of technical problem that the utility model embodiment solves is to provide a kind of wave filter, to
Overcome above mentioned problem in the prior art.
The utility model embodiment provides a kind of wave filter, and it includes：Medium substrate, the first reactance component, the second reactance
Element, first reactance component and/or the second reactance component part are embedded in the medium substrate, and described
One reactance component, second reactance component can form active filter structure or passive filtering structure, first reactance element
Part, all active components of the second reactance component, or, first reactance component, second reactance component are all
It is divided into passive element in the middle part of passive element, or, first reactance component, second reactance component, is partly active component.
Alternatively, in any embodiment of the present invention, part or all first reactance components are embedded in and given an account of
In matter substrate, part or all second reactance components are arranged on the medium substrate surface.
Alternatively, in any embodiment of the present invention, part or all first reactance components are arranged on and given an account of
Matter substrate surface, part or all second reactance components are embedded in the medium substrate.
Alternatively, in any embodiment of the present invention, part or all first reactance components are embedded in and given an account of
In matter substrate, part or all second reactance components are embedded in the medium substrate.
Alternatively, in any embodiment of the present invention, plated through-hole, first reactance are provided with the medium substrate
Element is electrically connected to form active power filtering structure or passive filtering with second reactance component by the plated through-hole shape
Structure.
Alternatively, it is internal on the medium substrate to be additionally provided with metal connecting line in any embodiment of the present invention, described the
One reactance component is electrically connected to form active power filtering structure or nothing with second reactance component by the plated through-hole shape
Source filter structure.
Alternatively, in any embodiment of the present invention, the medium substrate is pcb board either ceramic substrate or semiconductor
Substrate or Magnetic Substrate.
Alternatively, in any embodiment of the present invention, first reactance component and second reactance component be resistance,
Any or a variety of combination in electric capacity, inductance.
Alternatively, in any embodiment of the present invention, first reactance component and second reactance component are bipolar
Any or a variety of combination in type pipe, monopole type pipe, integrated transporting discharging.
Alternatively, in any embodiment of the present invention, first reactance component is inductance, and second reactance component is
Electric capacity, the quantity of first reactance component is 2, and the quantity of second reactance component is 7,7 second reactance
In element, 3 second reactance components are sequentially connected in series between the input port and output port of wave filter, remaining 4 institutes
State the second reactance component and be connected to the filter input end mouth one by one between output port and being located at 3 second reactance
In the circuit connecting node for the channels in series that element is formed.
The wave filter that the utility model embodiment provides, by by first reactance component and/or second reactance
Element part is embedded in the medium substrate so that first reactance component, second reactance component can be formed
Active power filtering structure or passive filtering structure, first reactance component, all active components of the second reactance component,
Or, first reactance component, all passive elements of the second reactance component, or, first reactance component, described
It is divided into passive element in the middle part of two reactance components, is partly active component so that wave filter meets small size in overall structure
Development trend, so as to provide a kind of technical scheme for solving prior art problem.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments described in the utility model embodiment, for those of ordinary skill in the art, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of filter construction schematic diagram that the embodiment of the present invention one provides；
Fig. 2 is a kind of filter construction schematic diagram that the embodiment of the present invention two provides；
Fig. 3 A are a kind of wave filter volume rendering structural representation that the embodiment of the present invention three provides；
Fig. 4 A are a kind of wave filter volume rendering structural representation that the embodiment of the present invention four provides；
Fig. 5 is the schematic equivalent circuit of the median filter of the embodiment of the present invention five.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the utility model, below in conjunction with this
Accompanying drawing in utility model embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, and shows
So, described embodiment is only the utility model embodiment part of the embodiment, rather than whole embodiments.Based on this reality
The every other embodiment obtained with the embodiment in new embodiment, those of ordinary skill in the art, it should all belong to this
The scope of utility model embodiment protection.
The wave filter that the utility model embodiment provides, by by first reactance component and/or second reactance
Element part is embedded in the medium substrate so that first reactance component, second reactance component can be formed
Active power filtering structure or passive filtering structure, first reactance component, all active components of the second reactance component,
Or, first reactance component, all passive elements of the second reactance component, or, first reactance component, described
It is divided into passive element in the middle part of two reactance components, is partly active component so that wave filter meets small size in overall structure
Development trend, so as to provide a kind of technical scheme for solving prior art problem.
Fig. 1 is a kind of filter construction schematic diagram that the embodiment of the present invention one provides；As shown in figure 1, in the present embodiment, bag
Include：Medium substrate 101, the first reactance component 102, the second reactance component 103, first reactance component 102 and/or described
The part of two reactance component 103 is embedded in the medium substrate 101, first reactance component 102, second reactance
Element 103 can form active filter structure or passive filtering structure, first reactance component 102, second reactance element
103 all active components of part, or, first reactance component 102, second reactance component, 103 all passive elements,
Or, first reactance component 102, the middle part of second reactance component 103 are divided into passive element, are partly active component.
Specifically, part or all first reactance components 102 be embedded in the medium substrate 101, part or
All second reactance components 103 of person are arranged on the surface of medium substrate 101.
Fig. 2 is a kind of filter construction schematic diagram that the embodiment of the present invention two provides；As shown in Fig. 2 and above-described embodiment
Unlike one, in the present embodiment, part or all first reactance components 102 are arranged on the table of medium substrate 101
Face, part or all second reactance components 103 are embedded in the medium substrate 101.
In addition, it is necessary to explanation, in another embodiment, can be by part or all first reactance components
102 are embedded in the medium substrate 101, and part or all second reactance components 103 are embedded in the medium substrate
In 101, no longer illustrate in detail.
In the above-described embodiments, the electrical connection form of the first reactance component 102 and the second reactance component 103, can pass through
Plated through-hole 104 is provided with the medium substrate 101 to realize, specifically, first reactance component 102 and the described second electricity
Anti- element 103 is electrically connected to form active power filtering structure or passive filtering structure by the shape of plated through-hole 104.
Further, if also needing to metal connecting line to realize the electricity of the first reactance component 102 and the second reactance component 103
Connection, internal on the medium substrate 101 can also be additionally provided with metal connecting line, first reactance component 102 with it is described
Second reactance component 103 is electrically connected to form active power filtering structure or passive filtering structure by the shape of plated through-hole 104.
In the above-described embodiments, the medium substrate 101 is pcb board either ceramic substrate or semiconductor substrate.
It should be noted that in above-described embodiment, the wave filter can be passive filter, implement passive filtering
When device, first reactance component 102 and second reactance component 103 are any in resistance, electric capacity, inductance
Or a variety of combination.
Alternately, in the above-described embodiments, the wave filter can be active filter, implement active filter
When, first reactance component 102 and second reactance component 103 are in ambipolar pipe, monopole type pipe, integrated transporting discharging
Any or a variety of combination.
Alternatively, in any embodiment of the present invention, first reactance component 102 is inductance, second reactance element
Part 103 is electric capacity, and the quantity of first reactance component 102 is 2, and the quantity of second reactance component 103 is 7,7
In second reactance component 103,3 second reactance components 103 are sequentially connected in series in the input port 105 of wave filter and defeated
Between exit port 106,2 inductance are connected in parallel on the electric capacity of series via left end and right-hand member respectively, remaining 4 second reactance
Element 103 is connected to the filter input end mouth 105 between output port 106 and being located at 3 second reactance one by one
In the circuit connecting node for the channels in series that element 103 is formed.
Fig. 3 A are a kind of wave filter volume rendering structural representation that the embodiment of the present invention three provides；As shown in Figure 3A, institute
It is inductance to state the first reactance component 102 (in figure and being designated as 2/10), and second reactance component 103 is electric capacity, first electricity
The quantity of anti-element 102 is 2, and the quantity of second reactance component 103 (being designated as 3,4,5,6,7,8,9 again in figure) is 7
It is individual, specifically, in figure 3 a, curve-like in inductance such as figure, and electric capacity is realized by way of electrode slice, it is necessary to illustrate
It is that, referring to the core concept of the present invention, electric capacity can be embedded in above-mentioned medium substrate 101, then the side by metal cap 107
Formula is packaged.
It should be noted that in above-mentioned Fig. 3 A embodiment, electric capacity is in a manner of plate electrode along in horizontal direction
In the medium substrate 101, in conjunction with the wave filter particular circuit configurations of formation, metal is set in medium substrate 101
Change hole 104, metal connecting line connection, wherein also including as the metal contact wires of filter input end mouth 105 and as wave filter
The metal contact wires of output end.
Fig. 4 A are a kind of wave filter volume rendering structural representation that the embodiment of the present invention four provides；As shown in Figure 4 A, institute
It is inductance to state the first reactance component 102, and second reactance component 103 is electric capacity, and the quantity of first reactance component 102 is
2 (being designated as 2/10 again in figure), the quantity of second reactance component 103 is 7 (being designated as 3,4,5,6,7,8,9 again in figure),
Specifically, in Figure 4 A, curve-like in inductance such as figure, and electric capacity is realized by way of electrode slice, it is necessary to illustrate, is joined
See the core concept of the present invention, inductance can be embedded in above-mentioned medium substrate 101, then is carried out by way of metal cap 107
Encapsulation.
Fig. 5 is the schematic equivalent circuit of the median filter of the embodiment of the present invention five；As shown in figure 5, corresponding diagram 3 or Fig. 4
Embodiment, in the schematic equivalent circuit of wave filter, the quantity of first reactance component 102 (is designated as again for 2 in figure
2/10), the quantity of second reactance component 103 is 7 (in figures are designated as 3,4,5,6,7,8,9) again, its specific connection side
Formula is：Electric capacity 3, electric capacity 6, electric capacity 8 are arranged on input port 1051 (being designated as 1 in figure not only) and output port 1061 (in figure but also is marked
Between 11) and to form series relationship；And inductance 2 is connected in parallel on the both ends of electric capacity 3, inductance 10 is connected in parallel on the both ends of electric capacity 8, separately
Outside, the one end of electric capacity 4 is connected on the intermediate node of electric capacity 3 and electric capacity 6, and the one end of electric capacity 9 is connected to the centre of electric capacity 6 and electric capacity 8
On node, electric capacity 5 is arranged on input port 1051 (in figure and being designated as 1) and electric capacity 3 between the side of input port 1051, electricity
Hold 7 and be arranged on the output port 1061 (in figure and being designated as 11) of electric capacity 8 and electric capacity 8 between the side of output port 1061, in addition,
Electric capacity 5, electric capacity 4, electric capacity 9, the other end of electric capacity 7 are connected to ground.
It should be noted that in above-mentioned Fig. 3 A and Fig. 4 A, can be metallized with specific reference to Fig. 5 electric connection mode
Hole 104, the setting of metal connecting line, are repeated no more in detail.
It should be noted that in above-described embodiment, only using the quantity of first reactance component 102 as 2, it is described
The quantity of second reactance component 103 illustrates exemplified by being 7, under inspiration of the present utility model, ordinary skill people
Member without creative work can also do other equivalence changes, such as can be as needed, flexibly set the first reactance component, the
The quantity of two reactance components and specific circuit connection diagram, will not be repeated here.
It will be understood by those skilled in the art that fastening structure provided by the utility model is not limited to use on balance car.
The embodiment of the utility model embodiment can be provided as method, apparatus (equipment) or computer program product.Therefore, this practicality
New embodiment can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Form.Moreover, the utility model embodiment can use the meter for wherein including computer usable program code in one or more
The computer journey that calculation machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of sequence product.
The utility model embodiment is with reference to the method, apparatus (equipment) and computer journey according to the utility model embodiment
The flow chart and/or block diagram of sequence product describes.It should be understood that can be by computer program instructions implementation process figure and/or square frame
Each flow and/or square frame in figure and the flow in flow chart and/or block diagram and/or the combination of square frame.This can be provided
A little computer program instructions are to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices
Processor to produce a machine so that pass through computer or the finger of the computing device of other programmable data processing devices
Order, which produces, to be used to realize what is specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device of function.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model embodiment scope.Obviously, this area
Technical staff can carry out the essence of various changes and modification without departing from the utility model embodiment to the utility model embodiment
God and scope.So, if these modifications and variations of the utility model embodiment belong to the utility model embodiment right and wanted
Ask and its equivalent technologies within the scope of, then the utility model embodiment be also intended to comprising these change and modification including.
Claims (10)
- A kind of 1. wave filter, it is characterised in that including：Medium substrate, the first reactance component, the second reactance component, described first Reactance component and/or the second reactance component part are embedded in the medium substrate, first reactance component, institute Active filter structure or passive filtering structure, first reactance component, second electricity can be formed by stating the second reactance component The anti-all active components of element, or, first reactance component, all passive elements of the second reactance component, Huo,Suo State the first reactance component, second reactance component middle part is divided into passive element, is partly active component.
- 2. wave filter according to claim 1, it is characterised in that part or all first reactance components are embedded in In the medium substrate, part or all second reactance components are arranged on the medium substrate surface.
- 3. wave filter according to claim 1, it is characterised in that part or all first reactance components are arranged on The medium substrate surface, part or all second reactance components are embedded in the medium substrate.
- 4. wave filter according to claim 1, it is characterised in that part or all first reactance components are embedded in In the medium substrate, part or all second reactance components are embedded in the medium substrate.
- 5. wave filter according to claim 1, it is characterised in that plated through-hole is provided with the medium substrate, it is described First reactance component and second reactance component by the plated through-hole shape be electrically connected to form active power filtering structure or Passive filtering structure.
- 6. wave filter according to claim 1, it is characterised in that internal on the medium substrate to be additionally provided with metal company Line, first reactance component are electrically connected to form active power filtering knot with second reactance component by the plated through-hole shape Structure or passive filtering structure.
- 7. wave filter according to claim 1, it is characterised in that the medium substrate be pcb board or ceramic substrate or Person's semiconductor substrate or Magnetic Substrate.
- 8. according to the wave filter described in claim any one of 1-7, it is characterised in that first reactance component and described second Reactance component is any or a variety of combination in resistance, electric capacity, inductance.
- 9. wave filter according to claim 8, it is characterised in that first reactance component and second reactance component For any or a variety of combination in ambipolar pipe, monopole type pipe, integrated transporting discharging.
- 10. wave filter according to claim 9, it is characterised in that first reactance component is inductance, second electricity Anti- element is electric capacity, and the quantity of first reactance component is 2, and the quantity of second reactance component is 7, described in 7 In second reactance component, 3 second reactance components are sequentially connected in series between the input port and output port of wave filter, are remained 4 second reactance components of remaininging are connected to the filter input end mouth between output port and positioned at described in 3 one by one In the circuit connecting node for the channels in series that second reactance component is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431253.3U CN206673928U (en) | 2017-04-24 | 2017-04-24 | Wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431253.3U CN206673928U (en) | 2017-04-24 | 2017-04-24 | Wave filter |
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| Publication Number | Publication Date |
|---|---|
| CN206673928U true CN206673928U (en) | 2017-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720431253.3U Active CN206673928U (en) | 2017-04-24 | 2017-04-24 | Wave filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417372A (en) * | 2019-07-23 | 2019-11-05 | 湖北泰晶电子科技股份有限公司 | It is a kind of for chip by the handling facilities of silver process |
-
2017
- 2017-04-24 CN CN201720431253.3U patent/CN206673928U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417372A (en) * | 2019-07-23 | 2019-11-05 | 湖北泰晶电子科技股份有限公司 | It is a kind of for chip by the handling facilities of silver process |
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