CN203434254U - Filter capable of improving standing wave - Google Patents
Filter capable of improving standing wave Download PDFInfo
- Publication number
- CN203434254U CN203434254U CN201320572759.8U CN201320572759U CN203434254U CN 203434254 U CN203434254 U CN 203434254U CN 201320572759 U CN201320572759 U CN 201320572759U CN 203434254 U CN203434254 U CN 203434254U
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- China
- Prior art keywords
- silver
- silver bullion
- filter
- electrode surface
- standing wave
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Abstract
Disclosed in the utility model is a filter capable of improving a standing wave. The filter comprises an electrode surface welded with a PCB board and a circuit printing surface. Besides, the filter includes a plurality of capacitance-inductance resonant circuits that are cylinders with through holes; each of the through holes corresponds to a silver block of the circuit printing surface; and each of the adjacent silver blocks are in signal connection. And each of the silver blocks is grounded by the corresponding through hole; and the two silver blocks arranged at the outermost side are respectively and directly connected with the input port of the electrode surface and the output port of the electrode surface. A signal enters from the input port to the leftmost silver block, is transmitted to the rightmost silver block, and then is outputted from the output port directly connected with the rightmost silver block, thereby forming a complete signal flowing filtering circuit. The filter has the advantages of wide pass band and small standing wave.
Description
Technical field
The utility model relates to a kind of filter, relates in particular to a kind of filter that improves standing wave.
Background technology
The resonator made from the dielectric material of low-loss, high-k during dielectric filter, has been widely used in multiple microwave device, has that volume is little, Q
0be worth high, without frequency limitation and the advantage such as resonance frequency temperature stability is good.
More and more along with communication system, the requirement of filter is also become increasingly complex, and the requirement of passband corresponding to the filter of different model and standing wave is also completely different.In prior art, be positioned at outermost two silver bullions of circuit printing surface and be connected with the input/output end port of electrode surface by circuit printing surface electrode, have the problem that standing wave is large.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of filter that improves standing wave, by outermost two silver bullions of filter circuit printing surface are connected to improve respectively the standing wave size of filter with output port with the input port of electrode surface, make filter standing wave when passband is wide good.
The utility model provides a kind of filter that improves standing wave, comprise electrode surface and circuit printing surface, described electrode surface and pcb board welding, described filter comprises a plurality of capacitor and inductor resonant tanks, described capacitor and inductor resonant tank is the cylinder with a through hole, a silver bullion of the equal corresponding circuits printing surface of through hole described in each, between adjacent described silver bullion, by signal, connect, and described in each, silver bullion, all by the through hole ground connection corresponding with it, is positioned at outermost two silver bullions and is directly connected with the input port of electrode surface and the output port of electrode surface respectively.
Preferably, described capacitor and inductor resonant tank is six, is positioned at outermost the first silver bullion and the 6th silver bullion input port and the output port of connecting electrode face respectively.
Based on disclosing of technique scheme, the described filter that improves standing wave that the utility model provides, it is positioned at outermost the first silver bullion and is directly connected with the input port of electrode surface and the output port of electrode surface respectively with the 6th silver bullion, signal is divided into two-way from input port enters the first silver bullion, lead up to the first through hole ground connection being connected with the first silver bullion, continue towards output port conduction until the 6th silver bullion on another road, then by the 6th silver bullion, transfer to output port, form the filter circuit that a complete signal flows to, when passband is wide, have advantages of that standing wave is little.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that improves the filter of standing wave the utility model proposes;
Fig. 2 is a kind of circuit theory diagrams that improve the filter of standing wave that the utility model proposes.
Drawing reference numeral explanation
1-electrode surface, 2-circuit printing surface, 11-input port, 12-output port, 21-the first silver bullion, 22-the second silver bullion, 23-the 3rd silver bullion, 24-the 4th silver bullion, 25-the 5th silver bullion, 26-the 6th silver bullion, 211-the first through hole, 261-the 6th through hole.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Refer to Fig. 1, the utility model provides a kind of filter that improves standing wave, comprises electrode surface 1 and circuit printing surface 2, and described electrode surface 1 is provided with welding with pcb board.
Refer to Fig. 1, described electrode surface 1 is provided with input port 11 and output port 12.
Refer to Fig. 1, the described filter that improves standing wave comprises six capacitor and inductor resonant tanks, described capacitor and inductor resonant tank is the cylinder with through hole, a silver bullion of the equal corresponding circuits printing surface 2 of through hole described in each, and between adjacent described silver bullion, by signal, connect, and described in each silver bullion all by the through hole ground connection corresponding with it.
Refer to Fig. 1, be respectively from left to right the first silver bullion 21, the second silver bullion 22, the 3rd silver bullion 23, the 4th silver bullion 24, the 5th silver bullion 25 and the 6th silver bullion 26, corresponding with described the first silver bullion 21 and described the 6th silver bullion 26 the first through hole 211 and the 6th through hole 261 of being respectively.Described the first silver bullion 21 is directly connected with the input port 11 of electrode surface 1, and the 6th silver bullion 26 is directly connected with the output port 12 of electrode surface 1.
In the present embodiment, the distance between described the first silver bullion 21 and described the second silver bullion 22 equates with the distance between the 5th silver bullion 25 and the 6th silver bullion 26.
Refer to Fig. 2, circuit theory diagrams for Fig. 1, there are 6 capacitor and inductor resonant tanks in parallel and be respectively LC1, LC2, LC3, LC4, LC5 and LC6, P1 in Fig. 2 is the input port 11 in corresponding diagram 1, output port 12 in P2 corresponding diagram 1, between adjacent silver bullion, the size of distance determines the size of electric capacity, between the first silver bullion 21 and the second silver bullion 22, form capacitor C 1, between the second silver bullion 22 and the 3rd silver bullion 23, form capacitor C 2, obtain by that analogy capacitor C 3, C4 and C5, because the distance between the first silver bullion 21 and described the second silver bullion 22 equates with the distance between the 5th silver bullion 25 and the 6th silver bullion 26, so capacitor C 1 equates with the capacity of capacitor C 5, described capacitor and inductor resonant tank LC1, LC2, LC3, LC4, LC5 and LC6 are all grounded by through hole.
During work, refer to Fig. 1 and Fig. 2, electrode surface 1 and pcb board welding, the first silver bullion 21 is connected with output port 12 with the input port 11 of signal respectively with the 6th silver bullion 26.Signal first enters the first silver bullion 21 from input port 11, at this, signal is two-way respectively, wherein lead up to the first through hole 211 ground connection that are connected with the first silver bullion 21, the conduction that continues to turn right of another road, arrive the second silver bullion 22, between the first silver bullion 21 and the second silver bullion 22, form capacitor C 1, the size of capacitor C 1 is determined by the distance between the first silver bullion 21 and the second silver bullion 22, arrive the rear signal of the second silver bullion 22 and also divide two-way, lead up to the through hole ground connection being connected with the second silver bullion 22, the conduction that continues to turn right of another road, arrive the 3rd silver bullion 23, between the second silver bullion 22 and the 3rd silver bullion 23, form capacitor C 2, the size of capacitor C 2 is determined by the distance between the second silver bullion 22 and the 3rd silver bullion 23, by that analogy, the 3rd silver bullion 23 passes to the 4th silver bullion 24, the 4th silver bullion 24 passes to the 5th silver bullion 25, the 5th silver bullion 25 passes to the 6th silver bullion 26, the 6th silver bullion 26 is grounded by the 6th through hole 261, signal is by exporting with the direct-connected output port 12 of the 6th silver bullion 26, form a signal and flow to complete filter circuit.
To sum up, it is directly connected the described filter that improves standing wave with the input port 11 of electrode surface 1 and the output port 12 of electrode surface 1 respectively with the 6th silver bullion 26 by being positioned at outermost the first silver bullion 21, signal enters the first silver bullion 21 from input port 11 and conducts to the 6th silver bullion 26 always, again by exporting with the direct-connected output port 12 of the 6th silver bullion 26, form the filter circuit that a complete signal flows to, when passband is wide, have advantages of that standing wave is little.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (2)
1. the filter that can improve standing wave, comprise electrode surface and circuit printing surface, described electrode surface and pcb board welding, it is characterized in that, comprise a plurality of capacitor and inductor resonant tanks, described capacitor and inductor resonant tank is the cylinder with a through hole, a silver bullion of the equal corresponding circuits printing surface of through hole described in each, between adjacent described silver bullion, by signal, connect, and described in each, silver bullion, all by the through hole ground connection corresponding with it, is positioned at outermost two silver bullions and is connected with the input port of electrode surface and the output port of electrode surface respectively.
2. a kind of filter that improves standing wave according to claim 1, is characterized in that, described capacitor and inductor resonant tank is six, is positioned at outermost the first silver bullion and the 6th silver bullion input port and the output port of connecting electrode face respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572759.8U CN203434254U (en) | 2013-09-16 | 2013-09-16 | Filter capable of improving standing wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572759.8U CN203434254U (en) | 2013-09-16 | 2013-09-16 | Filter capable of improving standing wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434254U true CN203434254U (en) | 2014-02-12 |
Family
ID=50063275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320572759.8U Expired - Lifetime CN203434254U (en) | 2013-09-16 | 2013-09-16 | Filter capable of improving standing wave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023098107A1 (en) * | 2021-11-30 | 2023-06-08 | 华为技术有限公司 | Resonator, dielectric filter, and communication device |
-
2013
- 2013-09-16 CN CN201320572759.8U patent/CN203434254U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023098107A1 (en) * | 2021-11-30 | 2023-06-08 | 华为技术有限公司 | Resonator, dielectric filter, and communication device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215129, Jiangsu province Suzhou hi tech Zone deer road environmental protection Industrial Park No. 14 factory landlord half Patentee after: SUZHOU RF TOP ELECTRONIC COMMUNICATIONS Co.,Ltd. Address before: 215129, 14, national environmental protection industrial park, 369 deer Road, hi tech Zone, Jiangsu, Suzhou Patentee before: SUZHOU RF TOP ELECTRONIC COMMUNICATION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215129, Jiangsu province Suzhou hi tech Zone deer road environmental protection Industrial Park No. 14 factory landlord half Patentee after: SUZHOU RF TOP ELECTRONIC COMMUNICATION Co.,Ltd. Address before: 215129, Jiangsu province Suzhou hi tech Zone deer road environmental protection Industrial Park No. 14 factory landlord half Patentee before: SUZHOU RF TOP ELECTRONIC COMMUNICATIONS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215129, Jiangsu province Suzhou hi tech Zone deer road environmental protection Industrial Park No. 14 factory landlord half Patentee after: SUZHOU RF TOP ELECTRONIC COMMUNICATIONS Co.,Ltd. Address before: 215129, Jiangsu province Suzhou hi tech Zone deer road environmental protection Industrial Park No. 14 factory landlord half Patentee before: SUZHOU RF TOP ELECTRONIC COMMUNICATION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215000 No.65, Chengji Road, Hushuguan Town, high tech Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU RF TOP ELECTRONIC COMMUNICATIONS Co.,Ltd. Address before: 215129, Jiangsu province Suzhou hi tech Zone deer road environmental protection Industrial Park No. 14 factory landlord half Patentee before: SUZHOU RF TOP ELECTRONIC COMMUNICATIONS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |