CN103022609A - X wave band laminated slice type micro-strip ferrite circulator - Google Patents
X wave band laminated slice type micro-strip ferrite circulator Download PDFInfo
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- CN103022609A CN103022609A CN2013100001033A CN201310000103A CN103022609A CN 103022609 A CN103022609 A CN 103022609A CN 2013100001033 A CN2013100001033 A CN 2013100001033A CN 201310000103 A CN201310000103 A CN 201310000103A CN 103022609 A CN103022609 A CN 103022609A
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Abstract
The invention discloses an X wave band laminated slice type micro-strip ferrite circulator and belongs to the field of microwave ferrite devices. The circulator comprises a metal grounding layer, a ferrite substrate group, a disk knot, a small Y arm and a large Y arm. Structural form of a ferrite substrate is changed on the basis of a double-Y structure, a laminated slice type structure is used to build gradient electromagnetic parameters, so that impedance matching is improved, loss is reduced, isolation is increased and the like. Insertion loss of a device can be lowered to below 0.1dB, isolation is increased to above 50dB, and standing wave ratio is lowered to below 1.05. In addition, a impedance matching circuit of the device is smaller in size, so that integration of microwave circuits is facilitated, and the miniaturization development requirements of micro-strip ferrite circulators is adapted.
Description
Technical field
The invention belongs to the microwave device technical field, relate to a kind of X-band lamination sheet type micro-strip ferrite circulator.
Background technology
Microwave circulator belongs to the multiport microwave passive component, is the important component part of microwave transmitting and receiving system.Along with microwave system to miniaturization and high integration future development, micro-strip ferrite circulator becomes the main product of current microwave circulator, is widely used in communication system, operating frequency mainly is positioned at the wave bands such as S, C, X, Ku.(8～12GHz) microstrip ferrite circulators have important function to X-band in radar system, can be with little with dielectric cavity resonator oscillator and little integrated front end that jointly forms the X-band Doppler radar with frequency mixer, have the advantages such as small-sized, light, be more suitable for for portable equipment and aircraft.For the X-band micro-strip ferrite circulator, usually adopt in design two Y knot circuit to realize that compensation adopts the more piece transmission line to mate to reduce the match circuit size to expand bandwidth of a device simultaneously in the impedance, realize miniaturization.Microstrip ferrite circulator (〉 5GHz in high band operation), because the electromagnetic wave TEM that is as the criterion of transmission involves the impact that is subject to microstrip structure and size etc., the ubiquity radiation loss is strong and have a problem such as higher mode; In addition, the high saturation and magnetic intensity of substrate has increased the magnetization difficulty, produces easily the magnetization non-uniform phenomenon.When the X-band micro-strip ferrite circulator is designed, except considering resonance structure and match circuit, also should pay attention to structure and the performance of ferrite substrate, this is to the development of high performance device and develop significant.
Summary of the invention
The invention provides a kind of X-band micro-strip ferrite circulator, substrate adopts the gyromagnetic material with different saturation magnetizations to consist of the lamination sheet type structure, form the gradient saturation magnetization, in 8～12GHz scope, by optimal design, can obtain the premium properties such as high-isolation, high reflection, low-loss.
Purpose of the present invention is achieved through the following technical solutions: a kind of X-band lamination sheet type micro-strip ferrite circulator as depicted in figs. 1 and 2, comprises metal ground plane 1, ferrite substrate family 2, disk knot 3, little Y arm 4, large Y arm 5.Disk knot 3, little Y arm 4 and large Y arm 5 consist of the inner wire circuit of circulator.For ferrite substrate family 2 is magnetized, ceramic gasket and permanent magnet can be installed successively on the inner wire circuit.
In the such scheme, described ferrite substrate family 2 is made of by laminated process many discrete gyromagnetic ferrite unit sheets, and the electromagnetic performance of unit sheet can independent regulation, is convenient to make up the performance parameter of different gradients.
In the such scheme, the flat shape of the gyromagnetic ferrite unit sheet that described ferrite substrate family 2 comprises can be set to according to the specific requirement of circulator rectangle, hexagon, circle and other shape, and thickness is then determined by specific requirement and the process conditions of circulator.
In the such scheme, described little Y arm 4 is three single-unit open circuit microstrip lines, and the angle between the detail is 120 °, forms symmetrical centered by the center of circle of disk knot 3.
In the such scheme, described large Y arm 5 is three three joint height impedance matching microstrip lines, middle matching section adopts circular shape, matching section near port can suitably bend according to port position, angle between the detail is 120 °, form 60 ° of angles with little Y arm detail microstrip line, centered by the center of circle of disk knot 3, form symmetrical.
In the such scheme, described little Y arm 4, large Y arm 5 and the two Y junction structures of disk knot 3 common formations, thickness is determined by the skin depth of device operating frequency.
The present invention changes the version of ferrite substrate on the basis of two Y knot micro-strip ferrite circulators, adopt the lamination sheet type structure, makes up the gradient electromagnetic parameter, is conducive to improve the impedance matching of device, reduces the wastage, and improves isolation.The insertion loss of device can be reduced to below the 0.1dB, and isolation is brought up to more than the 50dB, and standing-wave ratio is reduced to below 1.05, simultaneously, the impedance matching circuit size of device is less, is conducive to carry out integratedly with microwave circuit, has adapted to the miniaturization demand for development of micro-strip ferrite circulator.
Description of drawings
Fig. 1 is the structural representation of a kind of X-band lamination sheet type micro-strip ferrite circulator of the present invention.
Fig. 2 is the plane graph of a kind of X-band lamination sheet type micro-strip ferrite circulator of the present invention.
Fig. 3 is the end view of a kind of X-band lamination sheet type micro-strip ferrite circulator of the present invention.
Fig. 4 is the scattering parameter of a kind of X-band lamination sheet type micro-strip ferrite circulator of the present invention and the relation between the frequency.
Fig. 5 is the standing-wave ratio of a kind of X-band lamination sheet type micro-strip ferrite circulator of the present invention and the relation between the frequency.
Embodiment
Below in conjunction with accompanying drawing and a kind of execution mode, the present invention is described in further detail, can not assert that the specific embodiment of the present invention only limits to this.
A kind of X-band lamination sheet type micro-strip ferrite circulator as depicted in figs. 1 and 2, comprises metal ground plane 1, ferrite substrate family 2, disk knot 3, little Y arm 4, large Y arm 5.The radius of disk knot 3 is 1.1mm; The detail length of little Y arm 4 is 0.8mm, and width is 0.7mm; Length and the width of large Y arm the first matching section (near disk knot 3) are 0.6mm and 0.5mm, and middle matching section is circular arc, and the semidiameter of inside and outside arc is 1.0mm, and width is 1.4mm; Length and the width of the 3rd matching section (near port) are 1.1mm and 0.7mm.
Described ferrite substrate family 2, as shown in Figure 3, by six length, width, thickness be respectively 6.6,5.6, the discrete rectangle gyromagnetic ferrite unit sheet of 0.1mm consists of by laminated process, the unit sheet is followed successively by 2-1 to 2-6 from top to bottom, its saturation magnetization is followed successively by 2400,2400,2400,2800,2800,2800Gs, relative dielectric constant is 15.5, and loss angle tangent is 2 * 10
-4, ferromagnetic resonance linewidth is 20Oe.
(the high-isolation in 8～12GHz) scopes is 58dB to described circulator at X-band, the highest reflection 45dB, maximum insertion is 0.02dB, maximum standing-wave ratio is 1.02, bandwidth reaches 1.4GHz(S11〉20dB, S21〉20dB), the scattering parameter of device and standing-wave ratio are respectively such as Fig. 4 and as shown in Figure 5.
The ferrite substrate family of described circulator can adopt casting technique and lamination moulding process to make, and conductor circuit can adopt at present very ripe micro belt process technology to make.
Above content is the detailed description of the present invention being done in conjunction with concrete preferred implementation.Change the saturation magnetization gradient of gyromagnetic ferrite unit sheet 2-1 to 2-6, suitably adjust the inner wire circuit size, can obtain high performance device equally.As, with the saturation magnetization of gyromagnetic ferrite unit sheet 2-1 to 2-6 be configured to 2400,2800,3200,3200,2800,2400Gs, then can obtain high reflection, low-loss device, the highest reflection reaches 52dB, maximum insertion is 0.01dB, and the high-isolation that can obtain simultaneously reaches 34dB.Without departing from the inventive concept of the premise, can also make execution mode like the multiple types, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of submitting to.
Claims (4)
1. an X-band lamination sheet type micro-strip ferrite circulator comprises: metal ground plane 1, ferrite substrate family 2, disk knot 3, little Y arm 4, large Y arm 5; Ferrite substrate family 2 is made of many discrete gyromagnetic ferrite unit sheets; Disk knot 3, little Y arm 4 and large Y arm 5 consist of the inner wire circuit of circulator.
2. a kind of X-band lamination sheet type micro-strip ferrite circulator according to claim 1, it is characterized in that, the number of the gyromagnetic ferrite unit sheet that described ferrite substrate family 2 comprises can be regulated, the electromagnetic performance of every unit sheet can independent regulation, is convenient to make up the performance parameter of different gradients.
3. a kind of X-band lamination sheet type micro-strip ferrite circulator according to claim 1, it is characterized in that the flat shape of the gyromagnetic ferrite unit sheet that described ferrite substrate family 2 comprises can be set to according to the specific requirement of circulator rectangle, hexagon, circle and other shape.
4. a kind of X-band lamination sheet type micro-strip ferrite circulator according to claim 1, it is characterized in that, change the electromagnetic performance that ferrite substrate family 2 comprises gyromagnetic ferrite unit sheet, suitably adjust the inner wire circuit size, can obtain the high performance device of high-isolation, low-loss, low standing-wave ratio.
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| CN2013100001033A CN103022609A (en) | 2013-01-01 | 2013-01-01 | X wave band laminated slice type micro-strip ferrite circulator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306085A (en) * | 2018-01-31 | 2018-07-20 | 西南应用磁学研究所 | Upper and lower composite structure microstrip circulator |
| CN111129676A (en) * | 2020-01-14 | 2020-05-08 | 中国电子科技集团公司第九研究所 | Method for improving harmonic suppression performance of circulator and circulator |
| CN111370829A (en) * | 2020-04-16 | 2020-07-03 | 中国电子科技集团公司第九研究所 | Microstrip isolator |
| CN112798830A (en) * | 2021-03-18 | 2021-05-14 | 深圳大学 | Switching device suitable for multi-antenna test and use method thereof |
| CN114335949A (en) * | 2021-11-26 | 2022-04-12 | 北京无线电测量研究所 | Micro-strip circulator |
| CN115966867A (en) * | 2022-12-23 | 2023-04-14 | 南京林业大学 | Microwave isolator suitable for medical field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599201A1 (en) * | 1992-11-25 | 1994-06-01 | Murata Manufacturing Co., Ltd. | Microwave magnetic material and method of fabricating the same |
| US20060226926A1 (en) * | 2005-04-08 | 2006-10-12 | University Of Delaware | A ferro magnetic metal-insulator multilayer radio frequency circulator |
| CN102544663A (en) * | 2012-01-13 | 2012-07-04 | 彭龙 | LTCC (Low Temperature Co-Fired Ceramic) laminated micro-strip ferrite circulator |
-
2013
- 2013-01-01 CN CN2013100001033A patent/CN103022609A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599201A1 (en) * | 1992-11-25 | 1994-06-01 | Murata Manufacturing Co., Ltd. | Microwave magnetic material and method of fabricating the same |
| US20060226926A1 (en) * | 2005-04-08 | 2006-10-12 | University Of Delaware | A ferro magnetic metal-insulator multilayer radio frequency circulator |
| CN102544663A (en) * | 2012-01-13 | 2012-07-04 | 彭龙 | LTCC (Low Temperature Co-Fired Ceramic) laminated micro-strip ferrite circulator |
Non-Patent Citations (2)
| Title |
|---|
| 彭龙，徐小强、等: "小型化微带环行器的设计与仿真", 《磁性材料及器件》, vol. 45, no. 5, 31 October 2012 (2012-10-31), pages 31 - 47 * |
| 欧志宝、刘颖力，等: "微带环形器的设计方法与仿真", 《现代电子技术》, no. 23, 15 December 2010 (2010-12-15), pages 107 - 109 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306085A (en) * | 2018-01-31 | 2018-07-20 | 西南应用磁学研究所 | Upper and lower composite structure microstrip circulator |
| CN108306085B (en) * | 2018-01-31 | 2024-01-16 | 西南应用磁学研究所 | Microstrip circulator with upper and lower combined structure |
| CN111129676A (en) * | 2020-01-14 | 2020-05-08 | 中国电子科技集团公司第九研究所 | Method for improving harmonic suppression performance of circulator and circulator |
| CN111370829A (en) * | 2020-04-16 | 2020-07-03 | 中国电子科技集团公司第九研究所 | Microstrip isolator |
| CN112798830A (en) * | 2021-03-18 | 2021-05-14 | 深圳大学 | Switching device suitable for multi-antenna test and use method thereof |
| CN114335949A (en) * | 2021-11-26 | 2022-04-12 | 北京无线电测量研究所 | Micro-strip circulator |
| CN115966867A (en) * | 2022-12-23 | 2023-04-14 | 南京林业大学 | Microwave isolator suitable for medical field |
| CN115966867B (en) * | 2022-12-23 | 2024-03-12 | 南京林业大学 | Microwave isolator suitable for medical field |
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Application publication date: 20130403 |