CN201063356Y - Built-in miniaturized isolater - Google Patents
Built-in miniaturized isolater Download PDFInfo
- Publication number
- CN201063356Y CN201063356Y CNU200720040297XU CN200720040297U CN201063356Y CN 201063356 Y CN201063356 Y CN 201063356Y CN U200720040297X U CNU200720040297X U CN U200720040297XU CN 200720040297 U CN200720040297 U CN 200720040297U CN 201063356 Y CN201063356 Y CN 201063356Y
- Authority
- CN
- China
- Prior art keywords
- cavity
- magnetic
- microwave
- center conductor
- conductive board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides an embedded miniature circulator, which mainly changes a split type cavity into an integral cavity, and changes a magnetic conductive board as a upper cover to be screwed on a cavity port through screw threads based on the prior embedded isolator; and adopts measures of using composite microwave ferrite, plating silver on the surface and so on. The utility model has the characteristics of good magnetic circuit closure, small magnetic leakage, easy assembly without adhesive and screw, easy miniaturization, high reliability, good integral performance of the component, etc. The utility model can be widely applied to the microwave communication system, in particular to the 3G communication system.
Description
Technical field
The utility model relates to a kind of circulator, duplexer that uses in the travelling carriages such as the base station of particularly a kind of mobile communication (as TD-SCDMA or GSM, CDMA etc.) system and mobile phone or multiplexer and the built-in small circulator that plays effects such as isolation or decoupling belong to nonreciprocal transmission apparatus.
Background technology
Existing embedded (Drip-in) circulator that is used for mobile communcations system is provided with the shell of cavity with the discrete bonding one-tenth of several permeability magnetic materials, its structure as shown in Figure 1, permeability magnetic material (1) is glued on the cavity (2) with adhesive.Two ferrites (3) (not being with the ceramic ring medium) of in cavity (2), packing into, center conductor (4), magnetic conduction disk (5), magnetic conduction disk (6), temperature-compensating sheet (7), permanent magnet (8), permeability magnetic material (9), permeability magnetic material (10) is fixed on the cavity with screw respectively.Permanent magnet provides bias magnetic field for ferrite, and center conductor has three to draw end points, is introduced to respectively outside three ports of cavity (2).This structure is fixed on the cavity with adhesive and screw by the polylith permeability magnetic material, constitutes magnetic loop with cavity.This structure processing consumptive material is big, and magnetic circuit is not exclusively closed, and leakage field is bigger, and magnetic circuit efficient is low, device bulk temperature poor-performing, and ferrite does not add ceramic dielectric, is difficult to accomplish the subminaturization of structure.
Summary of the invention
The purpose of this utility model be to overcome the weak point that above-mentioned existing embedded toroidal device exists and provide a kind of simple in structure, volume is little, the little efficient height of magnetic circuit loss, be easy to the built-in small circulator of assembling and setting.
Built-in small circulator of the present utility model comprises cavity and is contained in two interior microwave ferrites of cavity, center conductor, two magnetic conduction sheets, a magnetic conductive board, temperature-compensating sheet and permanent magnet, described center conductor is clipped between two microwave ferrites, wherein, three lead-in wires of center conductor are introduced to outside the cavity, two magnetic conduction sheets be placed on respectively two microwave ferrites on, following both sides, temperature-compensating sheet and permanent magnet overlay on the upside magnetic conduction sheet successively, the magnetic conductive board lid is contained on the cavity mouth, it is characterized in that: the integrated cavity of cavity, the cavity mouth is provided with internal thread, the magnetic conductive board edge is provided with external screw thread, magnetic conductive board as loam cake through the screw thread spinning on the cavity mouth.
Described cavity is the magnetic conduction cavity, and microwave ferrite is the compound microwave ferrite that the ceramic dielectric by gyromagnetic ferrite and high-k constitutes.In order further to reduce the insertion loss of device, can be at the electroplate of cavity, center conductor, magnetic conduction sheet and temperature-compensating sheet.
Built-in small circulator of the present utility model is owing to having adopted cavity to be integrated and having used measures such as compound microwave ferrite and electroplate, it is good obviously to have the magnetic circuit closure, leakage field is little, need not adhesive and screw can assemble, be easy to miniaturization, the reliability height, characteristics such as the device overall performance is good.Can be widely used in microwave communication particularly in the 3G communication system.
Description of drawings
Accompanying drawing 1 is the decomposition texture schematic diagram of existing embedded toroidal device;
Among Fig. 11 is permeability magnetic material, the 2nd, and cavity, 3 is two ferrites (not being with the ceramic ring medium), the 4th, center conductor, the 5th, magnetic conduction disk, the 6th, magnetic conduction disk, the 7th, temperature-compensating sheet, the 8th, permanent magnet, the 9th, permeability magnetic material, the 10th, permeability magnetic material.
Embodiment
Referring to accompanying drawing 2,21 among the figure is cavitys, and 22 is two magnetic conduction sheets, and 23 is two composite ceramics microwave ferrites, the 24th, and center conductor, the 25th, temperature-compensating sheet, the 26th, permanent magnet, the 27th, magnetic conductive board.Described center conductor 24 is installed in the middle of two microwave ferrites 23, and three lead-in wires of center conductor 24 are introduced to outside the cavity 21.Two magnetic conduction sheets 22 are placed on the upper and lower both sides of two ferrites 23 respectively, temperature-compensating sheet 25 and permanent magnet 26 overlay on the microwave ferrite 23 successively, magnetic conductive board 27 lids are contained on the cavity mouth of cavity 21, wherein, cavity 21 integrated cavitys, the cavity mouth is provided with internal thread, and magnetic conductive board 27 edges are provided with external screw thread, magnetic conductive board 27 as loam cake through the screw thread spinning on the cavity mouth.Wherein, cavity 21 is the magnetic conduction cavity, and microwave ferrite 23 is compound microwave ferrites that the ceramic dielectric by gyromagnetic ferrite and high-k constitutes.In order further to reduce the insertion loss of device, can plate one deck silver film on the surface of cavity 21, center conductor 24, magnetic conduction sheet 22 and temperature-compensating sheet 25.Shape after its assembling as shown in Figure 3.
Claims (3)
1. a built-in small circulator comprises cavity and is contained in two interior microwave ferrites of cavity, center conductor, two magnetic conduction sheets, a magnetic conductive board, temperature-compensating sheet and permanent magnet, described center conductor is clipped between two microwave ferrites, wherein, three lead-in wires of center conductor are introduced to outside the cavity, two magnetic conduction sheets be placed on respectively two microwave ferrites on, following both sides, temperature-compensating sheet and permanent magnet overlay on the upside magnetic conduction sheet successively, the magnetic conductive board lid is contained on the cavity mouth, it is characterized in that: the integrated cavity of cavity, the cavity mouth is provided with internal thread, the magnetic conductive board edge is provided with external screw thread, magnetic conductive board as loam cake through the screw thread spinning on the cavity mouth.
2. built-in small circulator as claimed in claim 1 is characterized in that described cavity is the magnetic conduction cavity, and microwave ferrite is the compound microwave ferrite that the ceramic dielectric by gyromagnetic ferrite and high-k constitutes.
3. built-in small circulator as claimed in claim 1 or 2 is characterized in that the electroplate of described cavity, center conductor, magnetic conduction sheet and temperature-compensating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720040297XU CN201063356Y (en) | 2007-07-06 | 2007-07-06 | Built-in miniaturized isolater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720040297XU CN201063356Y (en) | 2007-07-06 | 2007-07-06 | Built-in miniaturized isolater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063356Y true CN201063356Y (en) | 2008-05-21 |
Family
ID=39451743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720040297XU Expired - Fee Related CN201063356Y (en) | 2007-07-06 | 2007-07-06 | Built-in miniaturized isolater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063356Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569964A (en) * | 2011-12-09 | 2012-07-11 | 捷考奥电子(上海)有限公司 | Low-insertion-loss ferrite microwave device and ferrite processing method thereof |
| CN103855456A (en) * | 2012-11-29 | 2014-06-11 | 中国航空工业第六○七研究所 | Method for making embedded micro-strip circulator |
| CN104124500A (en) * | 2014-07-14 | 2014-10-29 | 成都八九九科技有限公司 | Thin wide-temperature circulator |
| CN104380526A (en) * | 2012-05-18 | 2015-02-25 | 天工方案公司 | Apparatus and methods related to junction ferrite devices having improved insertion loss performance |
| CN105896010A (en) * | 2016-03-21 | 2016-08-24 | 华为技术有限公司 | Circulator |
| US9793037B2 (en) | 2011-05-06 | 2017-10-17 | Skyworks Solutions, Inc. | Apparatus and methods related to ferrite based circulators |
| CN110518319A (en) * | 2018-05-21 | 2019-11-29 | 圣弗莱克斯株式会社 | Non-reciprocal circuit element |
-
2007
- 2007-07-06 CN CNU200720040297XU patent/CN201063356Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9793037B2 (en) | 2011-05-06 | 2017-10-17 | Skyworks Solutions, Inc. | Apparatus and methods related to ferrite based circulators |
| CN102569964A (en) * | 2011-12-09 | 2012-07-11 | 捷考奥电子(上海)有限公司 | Low-insertion-loss ferrite microwave device and ferrite processing method thereof |
| CN104380526A (en) * | 2012-05-18 | 2015-02-25 | 天工方案公司 | Apparatus and methods related to junction ferrite devices having improved insertion loss performance |
| US9711835B2 (en) | 2012-05-18 | 2017-07-18 | Skyworks Solutions, Inc. | Apparatus and methods related to junction ferrite devices having improved insertion loss performance |
| CN104380526B (en) * | 2012-05-18 | 2018-02-09 | 天工方案公司 | The apparatus and method related to the knot ferrite device with improved insertion loss performance |
| CN103855456A (en) * | 2012-11-29 | 2014-06-11 | 中国航空工业第六○七研究所 | Method for making embedded micro-strip circulator |
| CN104124500A (en) * | 2014-07-14 | 2014-10-29 | 成都八九九科技有限公司 | Thin wide-temperature circulator |
| CN104124500B (en) * | 2014-07-14 | 2017-03-08 | 成都八九九科技有限公司 | A kind of circulator |
| CN105896010A (en) * | 2016-03-21 | 2016-08-24 | 华为技术有限公司 | Circulator |
| CN105896010B (en) * | 2016-03-21 | 2019-05-03 | 华为技术有限公司 | A kind of circulator |
| CN110518319A (en) * | 2018-05-21 | 2019-11-29 | 圣弗莱克斯株式会社 | Non-reciprocal circuit element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201063356Y (en) | Built-in miniaturized isolater | |
| CN102377004A (en) | Miniaturized substrate integrated waveguide circulator | |
| CN201340897Y (en) | TD-SCDMA surface mounted small-sized circulator | |
| CN202352808U (en) | Microstrip double-knot isolator | |
| CN201063355Y (en) | Built-in miniaturized isolater | |
| CN202997018U (en) | Surface mount type super miniaturized isolator | |
| CN109638393A (en) | A kind of miniaturization W-waveband filter | |
| CN201540943U (en) | Small-size isolator for GSM communication system | |
| CN201266663Y (en) | Embedded high intermodulation circulator for TD-SCDMA system | |
| CN201838699U (en) | Miniature circulator for mobile communication base station | |
| CN208208947U (en) | Minimize SIW surface-mount type circulator | |
| CN202759005U (en) | Microstrip circulator | |
| CN208093703U (en) | A kind of coaxial binodal circulator | |
| CN203674355U (en) | Microstrip circulator | |
| CN201340898Y (en) | TD-SCDMA surface mounted circulator | |
| CN202384464U (en) | Micro-strip substrate type circulator | |
| CN205028990U (en) | Low intermodulation waveguide junction circulator | |
| CN211404701U (en) | Waveguide circulator | |
| CN105337010B (en) | A kind of novel low intermodulation double ridged waveguide circulator/isolator | |
| CN204651452U (en) | A kind of small size ultra broadband coupler | |
| CN201629391U (en) | Mini-circulator for microwave communication system | |
| CN104752798B (en) | reusable microwave circulator | |
| CN204067537U (en) | Integrated screening cover waveguide isolator | |
| CN208093705U (en) | A kind of Surface Mount circulator for 5G mobile communication | |
| CN206180067U (en) | High -frequency wave leads isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20140706 |
|
| EXPY | Termination of patent right or utility model |