CN209267540U - A kind of small-sized cured ultra wide band high-pass filter - Google Patents
A kind of small-sized cured ultra wide band high-pass filter Download PDFInfo
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- CN209267540U CN209267540U CN201822155340.8U CN201822155340U CN209267540U CN 209267540 U CN209267540 U CN 209267540U CN 201822155340 U CN201822155340 U CN 201822155340U CN 209267540 U CN209267540 U CN 209267540U
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- inductance
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- box body
- common mode
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Abstract
The utility model discloses a kind of small-sized cured ultra wide band high-pass filters, including box body, input interface, Inductive component unit, capacitance component unit and output interface, the box body is equipped with cover board, along long to equipped with seven grooves in box body, Inductive component is installed in five intermediate grooves, capacitance component is installed on next door between adjacent grooves, box body along it is long to two lateral walls on be fixedly installed with input interface and output interface respectively；The Inductive component unit is made of five identical common mode inductances 1~5；The capacitance component unit is made of six identical capacitor seriesing circuits 1~6.The ultra wide band high-pass filter of the utility model, is not only suitable for the filtering of signal wire, it can also be used to which the filtering of power supply line, performance indicator meet the requirement that related prime receives system.
Description
Technical field
The utility model relates to communicate technical field of filtering, a kind of small-sized cured ultra wide band high pass is particularly related to
Filter.
Background technique
LC filter is traditional harmonic compensation device, it is constituted using the Combination Design of inductance, capacitor and resistance
Filter circuit can filter out certain primary or multiple harmonic, and the most common passive filter structure for being easy to use is by inductance and capacitor
Series connection can constitute low impedance by-pass to main subharmonic, it has the important function such as frequency-selecting, frequency dividing and isolation signals, ultra wide band
Filter plays very important effect in prime reception system, and the superiority and inferiority of performance directly influences the operation of whole system
Quality.Existing LC filter is due to the high-frequency effects in LC filter circuit, under the filtering performance for leading to this kind of filter
Drop, and structure is complicated, narrow bandwidth, circuit anti-electromagnetic interference capability is poor, Insertion Loss is big, body due to existing mostly for existing LC filter
The deficiencies of product is big, therefore it is unable to satisfy the related request that prime receives system.
Summary of the invention
It is above-mentioned existing effectively to overcome the purpose of the utility model is to provide a kind of small-sized cured ultra wide band high-pass filter
There is the deficiency of technology.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of small-sized cured ultra wide band high pass
Filter, including box body, input interface, Inductive component unit, capacitance component unit and output interface, the box body is by aluminium system
At, entirety is rectangle and is common ground end, cover board is equipped on box body, along long to being equipped with seven grooves in box body,
Inductive component is installed in five intermediate grooves, capacitance component is installed on the next door between adjacent grooves, in box body
Along it is long to two lateral walls on be fixedly installed with input interface and output interface respectively；The input interface is sub-miniature A connector, connector
Outer wall and box body be electrically connected；The model of the output interface and the model of input interface are identical, and outer wall and box body are electrical
Connection；The Inductive component unit is by five identical common mode inductances 1, common mode inductance 2, common mode inductance 3, common mode inductance 4 and is total to
Mould inductance 5 forms, and common mode inductance 1 includes inductance L1 and inductance L2, and common mode inductance 2 includes inductance L3 and inductance L4, is total to
Mould inductance 3 includes inductance L5 and inductance L6, and common mode inductance 4 includes inductance L7 and inductance L8, and common mode inductance 5 includes inductance L9
With inductance L10, inductance L1, inductance L3, inductance L5, inductance L7 and inductance L9 series connection, inductance L2, inductance L4, inductance L6, electricity
Feel L8 and inductance L10 series connection, 1 front end of common mode inductance and input interface are electrically connected, and rear end and the output of common mode inductance 5 connect
Mouth is electrically connected；The capacitance component unit is by six identical capacitor seriesing circuits 1, capacitor seriesing circuit 2, capacitor series electricals
Road 3, capacitor seriesing circuit 4, capacitor seriesing circuit 5 and capacitor seriesing circuit 6 form, and capacitor seriesing circuit 1 includes capacitor C1
With capacitor C2, capacitor seriesing circuit 2 includes capacitor C3 and capacitor C4, and capacitor seriesing circuit 3 includes capacitor C5 and capacitor C6,
Its capacitor seriesing circuit 4 includes capacitor C7 and capacitor C8, and capacitor seriesing circuit 5 includes capacitor C9 and capacitor C10, capacitor string
Join circuit 6 include capacitor C11 and capacitor C12, the both ends of capacitor seriesing circuit 1 respectively with inductance L1 and input interface and inductance
Line between L2 and input interface is electrically connected, and is electrically connected under the line between two capacitor C with box body, capacitor series connection
The line between inductance L1 and inductance L3 and inductance L2 and inductance L4 is electrically connected respectively at the both ends of circuit 2, between two capacitor C
Line under with box body be electrically connected, the both ends of capacitor seriesing circuit 3 respectively with inductance L3 and inductance L5 and inductance L4 and
Line between inductance L6 is electrically connected, and is electrically connected under the line between two capacitor C with box body, capacitor seriesing circuit 4
Line between inductance L5 and inductance L7 and inductance L6 and inductance L8 is electrically connected respectively at both ends, the company between two capacitor C
Under line with box body be electrically connected, the both ends of capacitor seriesing circuit 5 respectively with inductance L7 and inductance L9 and inductance L8 and inductance
Line between L10 is electrically connected, and is electrically connected under the line between two capacitor C with box body, the two of capacitor seriesing circuit 6
The line between inductance L9 and output interface and inductance L10 and output interface is electrically connected respectively at end, the company between two capacitor C
It is electrically connected under line with box body.
Preferably, the capacitor C in the capacitance component unit is feedthrough capacitor.
Further, the capacitance of two capacitor C is identical in same capacitor seriesing circuit in the capacitance component unit.
Further, the induction reactance of two inductance L is identical on same common mode inductance in the Inductive component unit.
Further, on the box body, high-performance electromagnetic wave absorption insulating materials is filled in the groove for being equipped with Inductive component.
Further, the cover board is fixed by screws on box body.
Compared with prior art, the utility model has the beneficial effects that the ultra wide band high-pass filter of the utility model, by
In Inductive component unit and capacitance component cell height are integrated in box body, therefore have that working band is wide, Out-of-band rejection is high, band
The small advantage of interior Insertion Loss；Since low frequency and high frequency filter to be combined into one, there is light-weight, small in size, high reliablity
The characteristics of, and it is more convenient using installing；Since each common mode inductance is mutually isolated, the coupling of high-frequency interferencing signal can be reduced
Effect；Since feedthrough capacitor has the parasitic inductance of very little, facilitate advanced optimizing for high frequency performance.This ultra wide band is high
Bandpass filter is not only suitable for the filtering of signal wire, it can also be used to which the filtering of power supply line, performance indicator meet related prime and receive
The requirement of system.
Detailed description of the invention
Fig. 1 is the outline structural diagram of the utility model；
Fig. 2 is the structure principle chart of the utility model；
Figure label: 100, box body；110, cover board；120, groove；121, electromagnetic wave absorption insulating materials；130, next door；
200, input interface；300, Inductive component unit；310, common mode inductance 1；311, inductance L1；312, inductance L2；320, common mode electricity
Sense 2；321, inductance L3；322, inductance L4；330, common mode inductance 3；331, inductance L5；332, inductance L6；340, common mode inductance 4；
341, inductance L7；342, inductance L8；350, common mode inductance 5；351, inductance L9；352, inductance L10；400, capacitance component unit；
410, capacitor seriesing circuit 1；411, capacitor C1；412, capacitor C2；420, capacitor seriesing circuit 2；421, capacitor C3；422, capacitor
C4；430, capacitor seriesing circuit 3；431, capacitor C5；432, capacitor C6；440, capacitor seriesing circuit 4；441, capacitor C7；442,
Capacitor C8；450, capacitor seriesing circuit 5；451, capacitor C9；452, capacitor C10；460, capacitor seriesing circuit 6；461, capacitor
C11；462, capacitor C12；500, output interface.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, the ultra wide band high-pass filter of the utility model, including box body (100), input interface
(200), Inductive component unit (300), capacitance component unit (400) and output interface (500), the box body (100) is by aluminium
It is made, entirety is rectangle and is common ground end, cover board (110) is equipped on box body, along long to setting in box body (100)
Have seven grooves (120), Inductive component be installed in five intermediate grooves (120), between adjacent grooves (120) every
Wall is equipped with capacitance component on (130), box body (100) along it is long to two lateral walls on be fixedly installed with input interface respectively
(200) and output interface (500)；The input interface (200) is sub-miniature A connector, and the outer wall of connector electrically connects with box body (100)
It connects；The model of the output interface (500) is identical as the model of input interface (200), and outer wall electrically connects with box body (100)
It connects；The Inductive component unit (300) is by five identical common mode inductance 1(310), common mode inductance 2(320), common mode inductance 3
(330), common mode inductance 4(340) and common mode inductance 5(350) composition, common mode inductance 1(310) include inductance L1(311) and electricity
Feel L2(312), common mode inductance 2(320) include inductance L3(321) and inductance L4(322), common mode inductance 3(330) it include electricity
Feel L5(331) and inductance L6(332), common mode inductance 4(340) include inductance L7(341) and inductance L8(342), common mode electricity
Feel 5(350) include inductance L9(351) and inductance L10(352), inductance L1(311), inductance L3(321), inductance L5(331),
Inductance L7(341) and inductance L9(351) series connection, inductance L2(312), inductance L4(322), inductance L6(332), inductance L8
(342) and inductance L10(352) series connection, common mode inductance 1(310) front end and input interface (200) are electrically connected, common mode electricity
Feel 5(350) rear end and output interface (500) be electrically connected；The capacitance component unit (400) is by six identical capacitor strings
Join circuit 1(410), capacitor seriesing circuit 2(420), capacitor seriesing circuit 3(430), capacitor seriesing circuit 4(440), capacitor string
Join circuit 5(450) and capacitor seriesing circuit 6(460) composition, capacitor seriesing circuit 1(410) include capacitor C1(411) and electricity
Hold C2(412), capacitor seriesing circuit 2(420) include capacitor C3(421) and capacitor C4(422), capacitor seriesing circuit 3
(430) include capacitor C5(431) and capacitor C6(432), capacitor seriesing circuit 4(440) include capacitor C7(441) and capacitor C8
(442), capacitor seriesing circuit 5(450) include capacitor C9(451) and capacitor C10(452), capacitor seriesing circuit 6(460)
Including capacitor C11(461) and capacitor C12(462), capacitor seriesing circuit 1(410) both ends respectively with inductance L1(311) and
Input interface (200) and inductance L2(312) and input interface (200) between line be electrically connected, the line between two capacitor C
Lowerly with box body (100) be electrically connected, capacitor seriesing circuit 2(420) both ends respectively with inductance L1(311) and inductance L3
(321) and inductance L2(312) and inductance L4(322) between line be electrically connected, under the line between two capacitor C and box body
(100) be electrically connected, capacitor seriesing circuit 3(430) both ends respectively with inductance L3(321) and inductance L5(331) and inductance
L4(322) and inductance L6(332) between line be electrically connected, electrically connect under the line between two capacitor C with box body (100)
Connect, capacitor seriesing circuit 4(440) both ends respectively with inductance L5(331) and inductance L7(341) and inductance L6(332) and electricity
Feel L8(342) between line be electrically connected, be electrically connected under the line between two capacitor C with box body (100), capacitor string
Join circuit 5(450) both ends respectively with inductance L7(341) and inductance L9(351) and inductance L8(342) and inductance L10(352) it
Between line be electrically connected, be electrically connected under the line between two capacitor C with box body (100), capacitor seriesing circuit 6
(460) both ends are respectively between inductance L9(351) and output interface (500) and inductance L10(352) and output interface (500)
Line be electrically connected, be electrically connected under the line between two capacitor C with box body (100).The capacitance component unit (400)
In capacitor C be feedthrough capacitor.In the capacitance component unit (400) in same capacitor seriesing circuit two capacitor C capacitance
It is identical.The induction reactance of two inductance L is identical on same common mode inductance in the Inductive component unit (300).On the box body (100),
High-performance electromagnetic wave absorption insulating materials (121) are filled in the groove (120) for being equipped with Inductive component.The cover board (110) is logical
Screw is crossed to be fixed on box body (100).
When specific production, five common mode inductances of Inductive component unit (300) are mounted on 60 × 20 × 15mm box body
(100) in five intermediate grooves (120), the capacitor C of six groups of capacitor seriesing circuits of capacitance component unit (400) is corresponding
It is mounted on box body (100) on corresponding next door (130), input interface (200) and output interface (500) is mounted on box body
(100) along it is long to two lateral walls on, be electrically connected and be grounded as required in installation, after the recessed of Inductive component is being installed
High-performance electromagnetic wave absorption insulating materials (121) are filled in slot (120), cover board (110) is finally fixed by screws in box body
(100) on.The ultra wide band high-pass filter of the utility model, is not only suitable for the filtering of signal wire, it can also be used to the filter of power supply line
Wave, performance indicator meet the requirement that related prime receives system.
It above are only an embodiment of the present invention, be not intended to limit the utility model, it is all in the utility model
Spirit and principle within made any modification equivalent replacement and improvement, should be included in the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of small-sized cured ultra wide band high-pass filter, including box body (100), input interface (200), Inductive component unit
(300), capacitance component unit (400) and output interface (500), it is characterised in that: the box body (100) is made of aluminium,
It is integrally rectangle and is common ground end, be equipped with cover board (110) on box body, along long to equipped with seven in box body (100)
Groove (120) is equipped with Inductive component in five intermediate grooves (120), the next door between adjacent grooves (120)
(130) capacitance component is installed on, box body (100) along it is long to two lateral walls on be fixedly installed with input interface respectively
(200) and output interface (500)；The input interface (200) is sub-miniature A connector, and the outer wall of connector electrically connects with box body (100)
It connects；The model of the output interface (500) is identical as the model of input interface (200), and outer wall electrically connects with box body (100)
It connects；The Inductive component unit (300) is by five identical common mode inductance 1(310), common mode inductance 2(320), common mode inductance 3
(330), common mode inductance 4(340) and common mode inductance 5(350) composition, common mode inductance 1(310) include inductance L1(311) and electricity
Feel L2(312), common mode inductance 2(320) include inductance L3(321) and inductance L4(322), common mode inductance 3(330) it include electricity
Feel L5(331) and inductance L6(332), common mode inductance 4(340) include inductance L7(341) and inductance L8(342), common mode electricity
Feel 5(350) include inductance L9(351) and inductance L10(352), inductance L1(311), inductance L3(321), inductance L5(331),
Inductance L7(341) and inductance L9(351) series connection, inductance L2(312), inductance L4(322), inductance L6(332), inductance L8
(342) and inductance L10(352) series connection, common mode inductance 1(310) front end and input interface (200) are electrically connected, common mode electricity
Feel 5(350) rear end and output interface (500) be electrically connected；The capacitance component unit (400) is by six identical capacitor strings
Join circuit 1(410), capacitor seriesing circuit 2(420), capacitor seriesing circuit 3(430), capacitor seriesing circuit 4(440), capacitor string
Join circuit 5(450) and capacitor seriesing circuit 6(460) composition, capacitor seriesing circuit 1(410) include capacitor C1(411) and electricity
Hold C2(412), capacitor seriesing circuit 2(420) include capacitor C3(421) and capacitor C4(422), capacitor seriesing circuit 3
(430) include capacitor C5(431) and capacitor C6(432), capacitor seriesing circuit 4(440) include capacitor C7(441) and capacitor C8
(442), capacitor seriesing circuit 5(450) include capacitor C9(451) and capacitor C10(452), capacitor seriesing circuit 6(460)
Including capacitor C11(461) and capacitor C12(462), capacitor seriesing circuit 1(410) both ends respectively with inductance L1(311) and
Input interface (200) and inductance L2(312) and input interface (200) between line be electrically connected, the line between two capacitor C
Lowerly with box body (100) be electrically connected, capacitor seriesing circuit 2(420) both ends respectively with inductance L1(311) and inductance L3
(321) and inductance L2(312) and inductance L4(322) between line be electrically connected, under the line between two capacitor C and box body
(100) be electrically connected, capacitor seriesing circuit 3(430) both ends respectively with inductance L3(321) and inductance L5(331) and inductance
L4(322) and inductance L6(332) between line be electrically connected, electrically connect under the line between two capacitor C with box body (100)
Connect, capacitor seriesing circuit 4(440) both ends respectively with inductance L5(331) and inductance L7(341) and inductance L6(332) and electricity
Feel L8(342) between line be electrically connected, be electrically connected under the line between two capacitor C with box body (100), capacitor string
Join circuit 5(450) both ends respectively with inductance L7(341) and inductance L9(351) and inductance L8(342) and inductance L10(352) it
Between line be electrically connected, be electrically connected under the line between two capacitor C with box body (100), capacitor seriesing circuit 6
(460) both ends are respectively between inductance L9(351) and output interface (500) and inductance L10(352) and output interface (500)
Line be electrically connected, be electrically connected under the line between two capacitor C with box body (100).
2. the small-sized cured ultra wide band high-pass filter of one kind according to claim 1, it is characterised in that: the capacitance group
Capacitor C in part unit (400) is feedthrough capacitor.
3. the small-sized cured ultra wide band high-pass filter of one kind according to claim 1 or 2, it is characterised in that: the electricity
The capacitance for holding two capacitor C in same capacitor seriesing circuit in assembly unit (400) is identical.
4. the small-sized cured ultra wide band high-pass filter of one kind according to claim 1, it is characterised in that: the inductance group
The induction reactance of two inductance L is identical on same common mode inductance in part unit (300).
5. the small-sized cured ultra wide band high-pass filter of one kind according to claim 1, it is characterised in that: the box body
(100) on, high-performance electromagnetic wave absorption insulating materials (121) are filled in the groove (120) for being equipped with Inductive component.
6. the small-sized cured ultra wide band high-pass filter of one kind according to claim 1, it is characterised in that: the cover board
(110) it is fixed by screws on box body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155340.8U CN209267540U (en) | 2018-12-21 | 2018-12-21 | A kind of small-sized cured ultra wide band high-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155340.8U CN209267540U (en) | 2018-12-21 | 2018-12-21 | A kind of small-sized cured ultra wide band high-pass filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209267540U true CN209267540U (en) | 2019-08-16 |
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ID=67560709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155340.8U Active CN209267540U (en) | 2018-12-21 | 2018-12-21 | A kind of small-sized cured ultra wide band high-pass filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209267540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886936A (en) * | 2021-04-29 | 2021-06-01 | 中国电子科技集团公司第九研究所 | Novel miniature ultra wide band high pass filter |
-
2018
- 2018-12-21 CN CN201822155340.8U patent/CN209267540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886936A (en) * | 2021-04-29 | 2021-06-01 | 中国电子科技集团公司第九研究所 | Novel miniature ultra wide band high pass filter |
| CN112886936B (en) * | 2021-04-29 | 2022-03-01 | 中国电子科技集团公司第九研究所 | Novel miniature ultra wide band high pass filter |
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