CN2867623Y - Multilayer ceramic dielectric power distributer - Google Patents
Multilayer ceramic dielectric power distributer Download PDFInfo
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- CN2867623Y CN2867623Y CN 200520013930 CN200520013930U CN2867623Y CN 2867623 Y CN2867623 Y CN 2867623Y CN 200520013930 CN200520013930 CN 200520013930 CN 200520013930 U CN200520013930 U CN 200520013930U CN 2867623 Y CN2867623 Y CN 2867623Y
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- ceramic dielectric
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Abstract
The utility model relates to a multilayer ceramic dielectric splitter. It includes external electrode coated on the side surface of sheet-like ceramic dielectric and internal electrode coated on the upper surface of the sheet-like ceramic dielectric. The external and internal electrodes are both conductive metal. The external electrode including grounding metal electrode and input/output metal terminal electrodes is connected to the internal electrode via wires. Between the input/output metal terminal electrodes of the external electrode is connected sheet-like resistance. The sheet-like ceramic dielectric coated with internal electrode has multiple layers that are sequentially laminated. The internal electrode includes shielding grounding electrode, strip line pattern, two sections of helical line patterns with Lambada/4; and the strip line pattern and two sections of helical line patterns with Lambada/4 are connected with through-holes. The utility model adopts multiple sequentially laminate ceramic dielectric layers, so as to make the power splitter smaller and make its application in communication filed easier.
Description
Technical field
The utility model relates to a kind of power divider, particularly relates to a kind of multi-layer ceramics media power distributor.
Background technology
In microwave regime, often a certain input power need be assigned in each branch circuit by a certain percentage and go.The 3dB Wilkinson power divider that transmission line structure and application study microstrip line are made, extensive use in RF application, such power divider requires should approach infinity at centre frequency place return loss and isolation, and the degree of coupling should be near 3dB.At present, it is more and more littler to size of devices that communication field requires, and adopts that the power divider of traditional microstrip line construction is technical to reach requirement, but can not satisfy the device miniaturization requirement.
Summary of the invention
Technical problem to be solved in the utility model provides the littler power divider of a kind of size.
In order to address the above problem, the technical scheme that the utility model adopted provides a kind of multi-layer ceramics media power distributor, comprise external electrode that is coated in flaky pottery side medium surface and the interior electrode that is coated in flaky pottery medium upper surface, external electrode and interior electrode all are conductor metals, external electrode comprises that the metal electrode of ground connection and the metal end electrode of input and output constitute, link to each other by the conductor connecting line with interior electrode, the flaky pottery medium of electrode has several layers to stack gradually in applying, and comprises two sections λ/4 electrical length patterns that are laminated construction and the bonding pattern that is inserted with in the middle of these two sections λ/4 electrical length patterns; Be connected with resistance between the metal end electrode of the input and output of described external electrode.
The flaky pottery medium of electrode has eight layers to stack gradually in applying, ground floor ceramic dielectric surface-coated has first bonding pattern, the second layer ceramic dielectric surface-coated that is layered on the ground floor has first λ/4 electrical length patterns, the 3rd layer of ceramic dielectric surface-coated that is layered on the second layer has first strip line pattern, first λ/4 electrical length patterns are connected by via hole connecting line a with first strip line pattern, constitute one section λ/4 electrical length patterns, the 4th layer of ceramic dielectric surface-coated that is layered on the 3rd layer has second bonding pattern, the layer 5 ceramic dielectric surface-coated that is layered on the 4th layer has second strip line pattern, the layer 6 ceramic dielectric surface-coated that is layered on the layer 5 has second λ/4 electrical length patterns, second λ/4 electrical length pattern is connected by via hole connecting line b with second strip line pattern, constitute another section λ/4 electrical length patterns, the layer 7 ceramic dielectric surface-coated that is layered on the layer 6 has the 3rd bonding pattern, and the 8th layer that is layered on the layer 7 is ceramic dielectric layer.
Described resistance is plate resistor; Described first and second λ/4 electrical length patterns are λ/4 electrical length helix patterns.
The beneficial effects of the utility model are that the ceramic dielectric multilayer of electrode stacks gradually in adopt applying, and can allow the power divider size littler, easilier use at communication field.
Description of drawings
Fig. 1: the cutaway view of the utility model embodiment.
Fig. 2: the outside drawing of the utility model embodiment.
Fig. 3: the electrical property curve chart of the utility model embodiment.
Embodiment
Below, with accompanying drawing the utility model is described in more detail in conjunction with the embodiments.
Multi-layer ceramics media power distributor stacks multi-disc flaky pottery medium and fire and forms.In Fig. 1, embodiment provided by the utility model is broken down into a plurality of ceramic layers, and purpose is in order to describe the structure of power divider more easily, but protection of the present utility model is not limited thereto.
See Fig. 1, Fig. 2, the utility model provides a kind of multi-layer ceramics media power distributor, comprise be coated in flaky pottery side medium surface external electrode as shown in Figure 2 and the interior electrode that is coated in flaky pottery medium upper surface as shown in Figure 1, external electrode and interior electrode all are conductor metals, external electrode comprises the metal electrode 202a of ground connection, 202b, 202c, 203 and the metal end electrode 201a of input and output, 201b constitutes, link to each other by the conductor connecting line with interior electrode, the metal end electrode 201a of the input and output of external electrode, be connected with plate resistor by circuit board between the 201b, the flaky pottery medium of electrode has several layers to stack gradually in applying, and comprises two sections λ/4 electrical length patterns that are laminated construction and the bonding pattern that is inserted with in the middle of these two sections λ/4 electrical length patterns.Specifically, the flaky pottery medium of electrode has eight layers to stack gradually in applying, ground floor ceramic dielectric 01a surface-coated has first bonding pattern 02a, the second layer ceramic dielectric 01b surface-coated that is layered on the ground floor has first λ/4 electrical length helix pattern 03a, the 3rd layer of ceramic dielectric 01c surface-coated that is layered on the second layer has first strip line pattern 04a, first λ/4 electrical length helix pattern 03a are connected by via hole connecting line a with first strip line pattern 04a, constitute one section λ/4 electrical length patterns, the 4th layer of ceramic dielectric 01d surface-coated that is layered on the 3rd layer has second bonding pattern 02b, the layer 5 ceramic dielectric 01e surface-coated that is layered on the 4th layer has second strip line pattern 04b, the layer 6 ceramic dielectric 01f surface-coated that is layered on the layer 5 has second λ/4 electrical length helix pattern 03b, second λ/4 electrical length helix pattern 03b is connected by via hole connecting line b with second strip line pattern 04b, constitute another section λ/4 electrical length patterns, the layer 7 ceramic dielectric 01g surface-coated that is layered on the layer 6 has the 3rd bonding pattern 02c, and the 8th layer that is layered on the layer 7 is ceramic dielectric layer.The above-mentioned lip-deep pattern of ceramic dielectric that is coated in is connected with via hole and is all conductor metal, can be by technology formation such as printing, evaporation coatings, filling perforations.According to designing requirement, each ceramic dielectric thickness also can have nothing in common with each other, wherein the second layer or layer 5 dielectric layer may comprise a plurality of dielectric layers, as in this case, first strip line pattern 04a is connected by metallic vias with first λ/4 electrical length helix pattern 03a, and a plurality of dielectric layers that this via hole passes in the second layer form the via hole line; Second strip line pattern 04b is connected by metallic vias with second λ/4 electrical length helix pattern 03b, and a plurality of dielectric layers that this via hole passes in the layer 5 form the via hole line.According to designing requirement, can exchange according to actual needs between λ/4 electrical length helix patterns in every section λ/4 electrical length pattern and the strip line pattern that connects with the via hole line.
Among Fig. 1, pattern 03a, 03b are respectively λ/4 electrical length helix patterns, and they play the impedance conversion effect respectively, and its helical length and characteristic impedance are directly determining the electric property of power divider, as frequency, Insertion Loss, isolation etc.Being connected with plate resistor between input and output termination electrode 201a, the 201b of external electrode, also is to play a part to regulate multi-layer ceramics media power distributor isolation.
Fig. 2 is the outside drawing according to the prepared multi-layer ceramics media power distributor of the utility model, external electrode 201a, 201b, 202a, 202b, 202c, the 203rd are coated in the conductor metal on the multi-layer ceramics media power distributor side, in conjunction with Fig. 1, Fig. 2, external electrode 201a, 201b are connected with interior electrode 04a, 04b respectively, external electrode 202a, 202b, 202c all are connected with interior electrode 02a, 02b, 02c, and external electrode 203 is connected with interior electrode 03a, 03b.
According to the prepared multi-layer ceramics media power distributor that goes out of the utility model, regulate the electrical characteristics curve finished as shown in Figure 3, therefrom can find out, should be very big in centre frequency place return loss and isolation, and the degree of coupling satisfies communication need near 3dB.
Claims (4)
1, a kind of multi-layer ceramics media power distributor, comprise external electrode that is coated in flaky pottery side medium surface and the interior electrode that is coated in flaky pottery medium upper surface, external electrode and interior electrode all are conductor metals, external electrode comprises that the metal electrode of ground connection and the metal end electrode of input and output constitute, link to each other by the conductor connecting line with interior electrode, it is characterized in that: the flaky pottery medium of electrode has several layers to stack gradually in applying, and comprises two sections λ/4 electrical length patterns that are laminated construction and the bonding pattern that is inserted with in the middle of these two sections λ/4 electrical length patterns; Be connected with resistance between the metal end electrode of the input and output of described external electrode.
2, multi-layer ceramics media power distributor according to claim 1, it is characterized in that: the flaky pottery medium of electrode has eight layers to stack gradually in applying, ground floor ceramic dielectric surface-coated has first bonding pattern, the second layer ceramic dielectric surface-coated that is layered on the ground floor has first λ/4 electrical length patterns, the 3rd layer of ceramic dielectric surface-coated that is layered on the second layer has first strip line pattern, first λ/4 electrical length patterns are connected by via hole connecting line a with first strip line pattern, constitute one section λ/4 electrical length patterns, the 4th layer of ceramic dielectric surface-coated that is layered on the 3rd layer has second bonding pattern, the layer 5 ceramic dielectric surface-coated that is layered on the 4th layer has second strip line pattern, the layer 6 ceramic dielectric surface-coated that is layered on the layer 5 has second λ/4 electrical length patterns, second λ/4 electrical length pattern is connected by via hole connecting line b with second strip line pattern, constitute another section λ/4 electrical length patterns, the layer 7 ceramic dielectric surface-coated that is layered on the layer 6 has the 3rd bonding pattern, and the 8th layer that is layered on the layer 7 is ceramic dielectric layer.。
3, multi-layer ceramics media power distributor according to claim 1, it is characterized in that: described resistance is plate resistor.
4, multi-layer ceramics media power distributor according to claim 2 is characterized in that: described first and second λ/4 electrical length patterns are λ/4 electrical length helix patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013930 CN2867623Y (en) | 2005-08-09 | 2005-08-09 | Multilayer ceramic dielectric power distributer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013930 CN2867623Y (en) | 2005-08-09 | 2005-08-09 | Multilayer ceramic dielectric power distributer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2867623Y true CN2867623Y (en) | 2007-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013930 Expired - Lifetime CN2867623Y (en) | 2005-08-09 | 2005-08-09 | Multilayer ceramic dielectric power distributer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2867623Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063324A1 (en) * | 2012-10-25 | 2014-05-01 | Telefonaktiebolaget L M Ericsson (Publ) | Power divider and method of fabricating the same |
-
2005
- 2005-08-09 CN CN 200520013930 patent/CN2867623Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063324A1 (en) * | 2012-10-25 | 2014-05-01 | Telefonaktiebolaget L M Ericsson (Publ) | Power divider and method of fabricating the same |
| US9685686B2 (en) | 2012-10-25 | 2017-06-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Power divider and method of fabricating the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIAXING JIALI ELECTRONICS CO., LTD. Free format text: FORMER OWNER: ZHEJIANG ZHENGYUAN ELECTRIC CO., LTD. Effective date: 20110216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 314003 ZHEJIANG ZHENGYUAN ELECTRIC CO., LTD., ZHENGYUAN SCIENCE AND TECHNOLOGY PARK, NO. 1, ZHENGYUAN ROAD, JIAXING CITY, ZHEJIANG PROVINCE TO: 314003 NO. 66, ZHENGYUAN ROAD, TANGHUI INDUSTRIAL PARK, DEVELOPMENT AREA, JIAXING CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110216 Address after: 314003 No. 66, original road, pond Industrial Park, Jiaxing Development Zone, Zhejiang, China Patentee after: Jiaxing Jiali Electronic Co., Ltd. Address before: 314003, Zhejiang, Jiaxing Province Road 1 is the original original science and Technology Park, Zhejiang is the original electric Limited by Share Ltd Patentee before: Zhejiang Zhengyuan Electric Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 314003 Jiaxing City, Zhejiang Province Economic Development Zone Yong Wui street is the original Road No. 66 Patentee after: Jiaxing Jiali Electronic Co., Ltd. Address before: 314003 No. 66, original road, pond Industrial Park, Jiaxing Development Zone, Zhejiang, China Patentee before: Jiaxing Jiali Electronic Co., Ltd. |
|
| CX01 | Expiry of patent term |
Expiration termination date: 20150809 Granted publication date: 20070207 |
|
| EXPY | Termination of patent right or utility model |