CN109740296B - SIW gyromagnetic ferrite frequency multiplier and design method thereof - Google Patents
SIW gyromagnetic ferrite frequency multiplier and design method thereof Download PDFInfo
- Publication number
- CN109740296B CN109740296B CN201910150599.XA CN201910150599A CN109740296B CN 109740296 B CN109740296 B CN 109740296B CN 201910150599 A CN201910150599 A CN 201910150599A CN 109740296 B CN109740296 B CN 109740296B
- Authority
- CN
- China
- Prior art keywords
- siw
- gyromagnetic ferrite
- transmission line
- cylindrical
- gyromagnetic
- 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
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000013461 design Methods 0.000 title claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000004088 simulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
The invention relates to a microwave and frequency multiplier structure, in particular to a SIW gyromagnetic ferrite frequency multiplier and a design method thereof. The SIW gyromagnetic ferrite frequency multiplier comprises an SIW transmission line and cylindrical gyromagnetic ferrite. On the basis of the SIW transmission line, the gyromagnetic ferrite is used as a frequency multiplication structure and is integrated into the SIW transmission line. Feeding in a fundamental frequency signal through an SIW transmission line, and realizing frequency multiplication by adopting a designed gyromagnetic ferrite; the finally obtained frequency multiplier has the requirements of small volume and high Q value.
Description
Technical Field
The invention relates to a microwave and frequency multiplier structure, in particular to a SIW gyromagnetic ferrite frequency multiplier and a design method thereof.
Background
With the rapid development of modern microwave circuit systems, the functions of the microwave circuit systems are more and more complex, the requirements on electrical performance indexes are higher and higher, and meanwhile, the microwave circuit systems are required to be smaller and lighter. Substrate Integrated Waveguide (SIW) technology is a new waveguide structure with low insertion loss, low radiation and other characteristics that can be integrated in a dielectric substrate, and has low cost and small volume.
The frequency multiplier has wide application in communication, radar, electronic countermeasure and test instruments, and needs to realize compact structure, small volume, light weight, low cost and convenient system connection and installation of microwave active devices. Has important significance for realizing the functions.
The existing frequency multiplier is a transmission line transistor frequency multiplier such as a waveguide, a microstrip and the like. The Q value of the waveguide transmission line transistor frequency multiplier is high, but the volume is large; and the microstrip transmission line transistor frequency multiplier has small volume but low Q value. Thus limiting the use of frequency multipliers.
Disclosure of Invention
Aiming at the problems or the defects, the invention provides a SIW gyromagnetic ferrite frequency multiplier and a design method thereof in order to solve the problem that the volume and the Q value of the conventional frequency multiplier cannot be considered at the same time.
The specific scheme is as follows:
the SIW gyromagnetic ferrite frequency multiplier comprises an SIW transmission line and cylindrical gyromagnetic ferrite.
The side b of the SIW transmission line is 0.1 a-0.5 a.
The cylindrical gyromagnetic ferrite is embedded in a dielectric layer of the SIW transmission line, and the upper circular surface and the lower circular surface of the cylindrical gyromagnetic ferrite are in full contact with the upper grounding plate and the lower grounding plate of the SIW; the center of the cylindrical gyromagnetic ferrite is positioned on the line of the a side of the SIW transmission line; the distance between the circle center and the port of the SIW transmission line is larger than the sum of the quarter wavelength in the SIW transmission line and the radius of the ferrite cylinder. The diameter of the ferrite cylinder is (0.93-0.94) × a.
Furthermore, the SIW transmission line is a double-row SIW transmission line with metal through holes.
The design method specifically comprises the following steps:
the method comprises the following steps: the SIW transmission line is designed according to the index, and the side b is 0.1 a-0.5 a.
Step two: designing cylindrical gyromagnetic ferrite, wherein the cylindrical gyromagnetic ferrite is made of a gyromagnetic ferrite material with a saturation magnetic moment of 3300-3500gauss, the internal field of the cylindrical gyromagnetic ferrite is 135000-140000A/M, and the diameter of the cylindrical gyromagnetic ferrite is (0.93-0.94) × a.
Step three: embedding the cylindrical gyromagnetic ferrite designed in the step two into the SIW transmission line, wherein the upper and lower circular surfaces of the cylindrical gyromagnetic ferrite are in full contact with the upper and lower grounding plates of the SIW; the center of the cylindrical gyromagnetic ferrite is positioned on the line of the a side of the SIW transmission line, and the distances between the center of the circle and the port of the SIW transmission line are both greater than the sum of the quarter wavelength in the SIW transmission line and the radius of the cylindrical gyromagnetic ferrite.
On the basis of the SIW transmission line, the gyromagnetic ferrite is used as a frequency multiplication structure and is integrated into the SIW transmission line. Feeding in a fundamental frequency signal through an SIW transmission line, and realizing frequency multiplication by adopting a designed gyromagnetic ferrite; the finally obtained frequency multiplier has the requirements of small volume and high Q value.
In conclusion, the frequency multiplier provided by the invention has small volume and high Q value.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a SIW transmission line structure;
FIG. 2 is a schematic structural view of a cylindrical gyromagnetic ferrite according to an embodiment;
FIG. 3 is a schematic diagram of the structure of a SIW gyromagnetic ferrite frequency multiplier according to an embodiment;
FIG. 4 shows S-parameter simulation results of the SIW transmission line according to the embodiment;
FIG. 5 is a simulation result of S-parameters of the SIW gyromagnetic ferrite frequency multiplier of the embodiment;
FIG. 6 is a field diagram of an embodiment SIW gyromagnetic ferrite frequency multiplier;
FIG. 7 shows the simulation result of the second frequency band S parameter of the SIW gyromagnetic ferrite frequency multiplier according to the embodiment.
Detailed Description
The technical scheme of the invention is detailed below by combining the accompanying drawings and the embodiment.
As shown in fig. 1, the structure of the SIW transmission line is a double-row metal via capable of transmitting 10GHz to 20GHz baseband signals, and the SIW transmission line has a high Q characteristic. The side a of the SIW transmission line is 9mm, and the side b is 0.1 a; the distance between the straight line of the circle center of the outer metal through hole and the straight line of the circle center of the corresponding inner metal through hole is 1.55 mm; the circle center of the outer metal through hole is positioned on the central line of the connecting line of the two adjacent circle center through holes at the inner side, the dielectric permittivity is 4, and the relative permeability is 1.0004.
As shown in FIG. 2, the cylindrical gyromagnetic ferrite is made of a gyromagnetic ferrite material with a saturation magnetic moment of 3500gauss, the internal field is 140000A/M, and the diameter of the ferrite cylinder is 0.94 a.
Fig. 3 is a schematic structural diagram of the SIW gyromagnetic ferrite frequency multiplier of the present embodiment, in which the device size is 19.2mm × 30mm, so as to achieve miniaturization.
The simulation results of the S parameters of the SIW transmission line are shown in FIG. 4. Fig. 6 is a field diagram of the SIW gyromagnetic frequency multiplier in the HFSS simulation result, which realizes an intuitive frequency multiplication result. As shown in FIG. 5, S parameters of S11 and S21 can realize harmonic frequency multiplication of 72% at about-8.5 db at 19 GHz. FIG. 7 shows the simulation result of S parameters of the second harmonic frequency band of the SIW gyromagnetic frequency multiplier, wherein S21 of the second harmonic is-1.4 db, and S11 is-6.3 db.
In conclusion, the SIW gyromagnetic ferrite frequency multiplier provided by the invention has the advantages of small volume and high Q value.
Claims (3)
1. A SIW gyromagnetic ferrite frequency multiplier is characterized in that:
the device comprises an SIW transmission line and cylindrical gyromagnetic ferrite;
the b side of the SIW transmission line is 0.1 a-0.5 a;
the cylindrical gyromagnetic ferrite is embedded in a dielectric layer of the SIW transmission line, and the upper circular surface and the lower circular surface of the cylindrical gyromagnetic ferrite are in full contact with the upper grounding plate and the lower grounding plate of the SIW; the center of the cylindrical gyromagnetic ferrite is positioned on the line of the a side of the SIW transmission line; the distance between the circle center and the port of the SIW transmission line is greater than the sum of the quarter wavelength in the SIW transmission line and the radius of the cylindrical gyromagnetic ferrite; the diameter of the cylindrical gyromagnetic ferrite is (0.93-0.94) a.
2. The SIW gyromagnetic ferrite frequency multiplier of claim 1, wherein: and the SIW transmission line is a double-row SIW transmission line with metal through holes.
3. The design method of the SIW gyromagnetic ferrite frequency multiplier according to claim 1, comprising the following steps:
the method comprises the following steps: designing a SIW transmission line according to the index, wherein the side b is 0.1 a-0.5 a;
step two: designing cylindrical gyromagnetic ferrite, wherein the cylindrical gyromagnetic ferrite is made of a gyromagnetic ferrite material with a saturated magnetic moment of 3300-3500gauss, the internal field of the cylindrical gyromagnetic ferrite is 135000-140000A/M, and the diameter of the cylindrical gyromagnetic ferrite is (0.93-0.94) × a;
step three: embedding the cylindrical gyromagnetic ferrite designed in the step two into the SIW transmission line, wherein the upper and lower circular surfaces of the cylindrical gyromagnetic ferrite are in full contact with the upper and lower grounding plates of the SIW; the center of the cylindrical gyromagnetic ferrite is positioned on the line of the a side of the SIW transmission line, and the distances between the center of the circle and the port of the SIW transmission line are both greater than the sum of the quarter wavelength in the SIW transmission line and the radius of the cylindrical gyromagnetic ferrite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150599.XA CN109740296B (en) | 2019-02-28 | 2019-02-28 | SIW gyromagnetic ferrite frequency multiplier and design method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150599.XA CN109740296B (en) | 2019-02-28 | 2019-02-28 | SIW gyromagnetic ferrite frequency multiplier and design method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109740296A CN109740296A (en) | 2019-05-10 |
| CN109740296B true CN109740296B (en) | 2022-05-03 |
Family
ID=66368783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910150599.XA Expired - Fee Related CN109740296B (en) | 2019-02-28 | 2019-02-28 | SIW gyromagnetic ferrite frequency multiplier and design method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109740296B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894997A (en) * | 2010-06-22 | 2010-11-24 | 南京广顺电子技术研究所 | 3mm circulator of waveguide isolator |
| CN102084538A (en) * | 2008-07-07 | 2011-06-01 | 希达尔天线顾问股份公司 | Waveguides and transmission lines in gaps between parallel conducting surfaces |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7800459B2 (en) * | 2006-12-29 | 2010-09-21 | Intel Corporation | Ultra-high bandwidth interconnect for data transmission |
| US10283862B2 (en) * | 2016-10-17 | 2019-05-07 | Huawei Technologies Co., Ltd. | Phase-mode feed network for antenna arrays |
-
2019
- 2019-02-28 CN CN201910150599.XA patent/CN109740296B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102084538A (en) * | 2008-07-07 | 2011-06-01 | 希达尔天线顾问股份公司 | Waveguides and transmission lines in gaps between parallel conducting surfaces |
| CN101894997A (en) * | 2010-06-22 | 2010-11-24 | 南京广顺电子技术研究所 | 3mm circulator of waveguide isolator |
Non-Patent Citations (3)
| Title |
|---|
| Propagation characteristic of ridge substrate integrated waveguide;Lihua Li等;《2016 International Conference on Integrated Circuits and Microsystems (ICICM)》;20170116;第195-199页 * |
| SIW旋磁倍频器的研究;肖宇等;《通信技术》;20190410;第996-1001页 * |
| 一种新型SIW传输线结构设计;田伟成等;《通信技术》;20180310;第718-722页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109740296A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102610973B (en) | High-frequency signal transmission device and system as well as base station | |
| CN103390784A (en) | Miniaturized substrate integration waveguide duplexer | |
| CN110190371B (en) | Waveguide power divider | |
| CN111430850A (en) | Coaxial microstrip-to-coaxial connector applicable to cavity filter and assembling method | |
| CN106549203B (en) | A kind of conversion circuit of coupled microstrip line to rectangular waveguide | |
| CN104078733B (en) | SIW circulator | |
| CN109740296B (en) | SIW gyromagnetic ferrite frequency multiplier and design method thereof | |
| CN110911789B (en) | Substrate integrated waveguide band-pass filter | |
| CN112993507A (en) | Miniaturized T-shaped branch waveguide broadband power divider | |
| CN109301415B (en) | Ferrite semi-filled SIW circulator based on high dielectric ceramics and processing method | |
| CN114976545B (en) | Circulator, isolator, antenna and wireless communication device | |
| CN208208947U (en) | Minimize SIW surface-mount type circulator | |
| CN113395826B (en) | High-thermal-conductivity circuit substrate structure for lumped parameter nonreciprocal magnetic device of PCB (printed circuit board) | |
| CN114171872B (en) | Broadband miniaturized millimeter wave double-channel cross bridge | |
| CN103337678B (en) | There is the cross-couplings substrate integral wave guide filter of steep side band characteristic | |
| WO2020014891A1 (en) | Balun and method for manufacturing the same | |
| CN105449322A (en) | Millimeter wave dual-passband filter and design method therefor | |
| Huang et al. | Flexible design of W‐band bandpass filter with multiple transmission zeros | |
| CN201838699U (en) | Miniature circulator for mobile communication base station | |
| AU2020102309A4 (en) | SIW planar filter | |
| CN113540768B (en) | Connection structure applied to microwave system | |
| CN110416674B (en) | Single-cavity double-frequency-band microwave filter based on coplanar waveguide | |
| CN110212275B (en) | Millimeter wave waveguide matching load based on lossy dielectric substrate | |
| CN103094656A (en) | SIW bridge | |
| CN103515683A (en) | Waveguide micro-strip line converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |