CN111049491A - Miniaturized laminated resonator - Google Patents
Miniaturized laminated resonator Download PDFInfo
- Publication number
- CN111049491A CN111049491A CN201911316924.1A CN201911316924A CN111049491A CN 111049491 A CN111049491 A CN 111049491A CN 201911316924 A CN201911316924 A CN 201911316924A CN 111049491 A CN111049491 A CN 111049491A
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- Prior art keywords
- resonator
- miniaturized
- strip line
- inductor
- line structure
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a miniaturized laminated resonator, which comprises a strip line structure inductor and a packaged capacitor, wherein the strip line structure inductor is arranged in a roundabout manner; the packaged capacitor is connected with the strip line structure inductor in parallel. The miniaturized resonator provided by the invention is proved to be feasible in practical use, reliable in process and very convenient to assemble and debug. The miniaturized resonator provided by the invention can greatly reduce the volume of a product, make more space on the whole machine, and greatly reduce the weight and the cost. In addition, even if the appearance of the product (resonator) is reduced, the electrical performance index of the product is not changed, the index is stable and reliable in use, and the inductor L and the capacitor C can be designed according to the actual requirement by the working frequency and other indexes to obtain an optimal value.
Description
Technical Field
The invention relates to the technical field of resonators, in particular to a miniaturized laminated resonator.
Background
The resonator is a device frequently used in a communication system, the frequency is generated by the resonator, a filter in the radio frequency module also comprises a plurality of resonators, the main function is to filter out unused interference or stray signals through useful signals, the resonator is also a common small part in the communication system, the types are very many, the resonator is miniaturized in advance by a cavity structure, a microstrip structure, an LC structure and the like, the process requirement is complex, and the common process cannot meet the existing miniaturization requirement. Generally, the miniaturization is realized only by adopting professional equipment, but the resonators of the filters of the circuits are only suitable for mass production and can be completed by a specific process, but the conventional process is difficult to realize, so that the requirements of the existing miniaturization low-cost products cannot be met. The existing resonators in some miniaturized filters mainly have the following characteristics: 1. the research and development cost is high, the process is complex, and small-batch products are not suitable. 2. The product can be manufactured only by using special professional equipment, and the development period is long. 3. The research and development design risk is large.
With the development of mobile communication, higher requirements are made on the volume and indexes of a product, and a resonator is used as an important part of a system, and the performance of the resonator directly influences the performance of the product, so that higher requirements are made on the performance and the appearance size, the index requirements are met, and the volume is also met, so that the problem of a product which is small in size and appearance, low in cost and easy to produce is solved, and the resonator can be developed by using conventional equipment.
Disclosure of Invention
The present invention provides a miniaturized stacked resonator to solve the disadvantages of the related art.
In order to solve the relevant problems, the invention adopts the following technical scheme: a miniaturized stacked resonator comprising:
the strip line structure inductor is arranged in a roundabout mode;
a packaged capacitor in parallel with the stripline structure inductor.
As a further description of the above technical solution:
the miniaturized stacked resonator further comprises an input end and an output end, and the input end and the output end are respectively connected with the strip line structure inductor and the packaged capacitor.
As a further description of the above technical solution:
the miniaturized laminated resonator further comprises a grounding via hole, and the packaged capacitor and the strip line structure inductor are respectively connected with the grounding via hole to enable the packaged capacitor and the strip line structure inductor to be grounded.
As a further description of the above technical solution:
the packaged capacitor is connected with the grounding via hole through the top layer lead.
As a further description of the above technical solution:
the miniaturized laminated resonator also comprises dielectric layers used for the packaged strip line structure inductor, the packaged capacitor, the input end and the output end, and the parts can be supported through the dielectric layers.
As a further description of the above technical solution:
the lead of the packaged capacitor connected with the strip line structure inductor in parallel is a 50 ohm transmission line.
As a further description of the above technical solution:
the input end, the output end and the packaged capacitor are located at one end of the outer side of the strip line structure inductor.
The invention has the following beneficial effects:
the miniaturized resonator provided by the invention is proved to be feasible in practical use, reliable in process and very convenient to assemble and debug. The miniaturized resonator provided by the invention can greatly reduce the volume of a product, make more space on the whole machine, and greatly reduce the weight and the cost. In addition, even if the appearance of the product (resonator) is reduced, the electrical performance index of the product is not changed, the index is stable and reliable in use, and the inductor L and the capacitor C can be designed according to the actual requirement by the working frequency and other indexes to obtain an optimal value.
Drawings
FIG. 1 is a schematic structural diagram of a miniaturized stacked resonator provided by the present invention;
fig. 2 is a cross-sectional view of a miniaturized stacked resonator provided by the present invention;
fig. 3 is a schematic circuit diagram of a miniaturized resonator according to the present invention.
In the figure: 1-an input terminal; 2-a packaged capacitor; 3-top layer conducting wire; 4-a stripline structure inductor; 5-a ground via; 6-an output end; 7-dielectric layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a miniaturized resonator, which is realized by superposing devices together in a manner of superposing an inductor with a strip line structure and a packaged capacitor; the structure has the characteristics of small volume, low cost, common process, easy production and low assembly and debugging difficulty.
Referring to fig. 1-2, the present invention provides an embodiment: a miniaturized stacked resonator comprising: a strip line structure inductor 4 and a packaged capacitor 2; the strip line structure inductor 4 is arranged in a circuitous way; the packaged capacitor 2 is connected with the strip line structure inductor 4 in parallel; the lead of the packaged capacitor 2 connected with the strip line structure inductor 4 in parallel is a 50 ohm transmission line. The advantages of such a resonator are: 1. the size can be reduced, 2, the consistency is good, debugging is not needed, and 3, the circuit has the characteristics of high Q value, high integration level, compact circuit structure and easy assembly and debugging.
In some embodiments, the miniaturized stacked resonator further comprises an input terminal 1 and an output terminal 6, the input terminal 1 and the output terminal 6 being connected to the stripline structure inductor 4 and the packaged capacitor 2, respectively.
In some embodiments, the miniaturized stacked resonator further includes a ground via 5, and the packaged capacitor 2 and the stripline structure inductor 4 are respectively connected to the ground via 5 to ground the packaged capacitor 2 and the stripline structure inductor 4, and preferably, the packaged capacitor 2 is connected to the ground via 5 through the top layer wire 3.
In some embodiments, the miniaturized stacked resonator further comprises a dielectric layer 7 for the packaged stripline structure inductor 4, the packaged capacitor 2, the input terminal 1, and the output terminal 6, and the support of the above components can be realized through the dielectric layer 7.
In some embodiments, the input terminal 1, the output terminal 6 and the packaged capacitor 2 are located at one end outside the stripline structure inductor 4. The novel resonator with the laminated structure not only has small volume and low cost of the whole product, but also is easy to process and produce and has high stability.
As shown in fig. 3, the circuit principle of the miniaturized resonator provided by the present invention is that the stripline structure inductor 4 and the packaged capacitor 2 are connected in parallel, and one end of the stripline structure inductor 4 and one end of the packaged capacitor 2 are grounded respectively, and the other end thereof is connected to the input terminal 1 and the output terminal 6 respectively; in fig. 3, ports 1 and 2 are input and output ends of a resonator, which are used for testing the generated frequency value, C is a packaged capacitor, and L is a stripline structure inductor; the line is made of a 50 ohm transmission line.
The miniaturized resonator provided by the invention is proved to be feasible in practical use, reliable in process and very convenient to assemble and debug. The miniaturized resonator provided by the invention can greatly reduce the volume of a product, make more space on the whole machine, and greatly reduce the weight and the cost. In addition, even if the appearance of the product (resonator) is reduced, the electrical performance index of the product is not changed, the index is stable and reliable in use, and the inductor L and the capacitor C can be designed according to the actual requirement by the working frequency and other indexes to obtain an optimal value.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A miniaturized stacked resonator, comprising:
the strip line structure inductor is arranged in a roundabout mode; and
a packaged capacitor in parallel with the stripline structure inductor.
2. The miniaturized stacked resonator of claim 1, wherein: the miniaturized stacked resonator further comprises an input end and an output end, and the input end and the output end are respectively connected with the strip line structure inductor and the packaged capacitor.
3. The miniaturized stacked resonator of claim 2, wherein: the miniaturized laminated resonator further comprises a grounding via hole, and the packaged capacitor and the strip line structure inductor are respectively connected with the grounding via hole to enable the packaged capacitor and the strip line structure inductor to be grounded.
4. The miniaturized stacked resonator of claim 3, wherein: the packaged capacitor is connected with the grounding via hole through the top layer lead.
5. The miniaturized stacked resonator of claim 4, wherein: the miniaturized stacked resonator further comprises dielectric layers for the packaged stripline structure inductor, the packaged capacitor, the input end and the output end.
6. The miniaturized stacked resonator of claim 1, wherein: the lead of the packaged capacitor connected with the strip line structure inductor in parallel is a 50 ohm transmission line.
7. The miniaturized stacked resonator of claim 5, wherein: the input end, the output end and the packaged capacitor are located at one end of the outer side of the strip line structure inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316924.1A CN111049491A (en) | 2019-12-19 | 2019-12-19 | Miniaturized laminated resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316924.1A CN111049491A (en) | 2019-12-19 | 2019-12-19 | Miniaturized laminated resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111049491A true CN111049491A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316924.1A Pending CN111049491A (en) | 2019-12-19 | 2019-12-19 | Miniaturized laminated resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111049491A (en) |
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2019
- 2019-12-19 CN CN201911316924.1A patent/CN111049491A/en active Pending
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200421 |