CN114039181A - Microstrip circulator, design method thereof and electronic equipment - Google Patents

Microstrip circulator, design method thereof and electronic equipment Download PDF

Info

Publication number
CN114039181A
CN114039181A CN202111353452.4A CN202111353452A CN114039181A CN 114039181 A CN114039181 A CN 114039181A CN 202111353452 A CN202111353452 A CN 202111353452A CN 114039181 A CN114039181 A CN 114039181A
Authority
CN
China
Prior art keywords
ferrite
sheet
dielectric
gyromagnetic
circulator
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.)
Pending
Application number
CN202111353452.4A
Other languages
Chinese (zh)
Inventor
王小雨
杨彬彬
李飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Aerospace Micro Electronics Technology Co Ltd
Original Assignee
Beijing Aerospace Micro Electronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Aerospace Micro Electronics Technology Co Ltd filed Critical Beijing Aerospace Micro Electronics Technology Co Ltd
Priority to CN202111353452.4A priority Critical patent/CN114039181A/en
Publication of CN114039181A publication Critical patent/CN114039181A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/38—Circulators
    • H01P1/383—Junction circulators, e.g. Y-circulators
    • H01P1/387—Strip line circulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Non-Reversible Transmitting Devices (AREA)

Abstract

The invention relates to a microstrip circulator and a design method thereof, and electronic equipment, wherein the microstrip circulator comprises a bottom support, a nested substrate, a dielectric gasket and a permanent magnet which are sequentially stacked and fixed; the nested substrate comprises a gyromagnetic ferrite sheet, a medium sleeve sheet, a metal circuit pattern and a metal conducting layer; the gyromagnetic ferrite sheet is embedded and fixed in the dielectric sleeve sheet to form a ferrite-dielectric sleeve sheet, one surface of the ferrite-dielectric sleeve sheet is fixed with a metal circuit pattern, the other surface of the ferrite-dielectric sleeve sheet is completely covered with a metal conducting layer, and the embedded substrate is fixed on the bottom support through the metal conducting layer. The embedded substrate is adopted, the ferrite sheet is embedded and fixed in the dielectric sleeve, the materials and the sizes of the ferrite sheet and the dielectric sleeve can be determined according to design requirements, the reliability is better, more materials can be selected, and the design is flexible.

Description

Microstrip circulator, design method thereof and electronic equipment
Technical Field
The invention relates to the technical field of microwave communication, in particular to a microstrip circulator, a design method thereof and electronic equipment.
Background
The micro-strip circulator product is suitable for 5-40GHz and is more and more widely applied to the field of modern microwave communication, the micro-strip circulator usually adopts a form of an all-ferrite substrate, but when gyromagnetic ferrite is used in high-frequency section design, the thickness of the substrate is usually only 0.2mm, the substrate is very easy to crack, and in addition, when the all-ferrite substrate is designed, the calculation is often more complicated.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a microstrip circulator, a design method thereof and electronic equipment.
In order to solve the technical problem, an embodiment of the present invention provides a microstrip circulator, including a base, a nested substrate, a dielectric spacer and a permanent magnet, which are sequentially stacked and fixed; the nested substrate comprises a gyromagnetic ferrite sheet, a medium sleeve sheet, a metal circuit pattern and a metal conducting layer; the gyromagnetic ferrite sheet is fixed in a nesting mode to form a ferrite-dielectric sleeve sheet in the dielectric sleeve sheet, the thickness of the dielectric sleeve sheet is the same as that of the ferrite sheet, the dielectric sleeve sheet is made of insulating materials, one surface of the ferrite-dielectric sleeve sheet is fixed to the metal circuit pattern, the other surface of the ferrite-dielectric sleeve sheet covers the metal conducting layer completely, the nested substrate is fixed to the bottom support through the metal conducting layer, and the ferrite-dielectric sleeve sheet and the metal circuit pattern and the metal conducting layer form a micro-strip line structure.
In order to solve the above technical problem, an embodiment of the present invention further provides a method for designing a microstrip circulator, including:
s1, determining the design frequency and performance parameters of the microstrip circulator, determining the material parameters of the gyromagnetic ferrite pieces according to the design frequency of the microstrip circulator, and calculating the radius and the thickness of the gyromagnetic ferrite pieces;
s2, determining the material parameters of the medium nest plate and the radius of the metal circuit pattern central disc;
s3, determining the size of the port matching network according to the material parameters of the medium nest plate and the characteristic impedance calculation formula of the microstrip line;
s4, establishing a simulation model in computer simulation software HFSS according to material parameters of the gyromagnetic ferrite pieces and the medium sleeve pieces, size data of the gyromagnetic ferrite pieces and the metal circuit patterns and outline size data of the circulator as initial values;
s5, fine-tuning the material parameters and the size data in the S4 in the simulation model, and continuously optimizing according to the simulation result until the simulation curve meets the requirements of design frequency, performance parameters and overall size;
and S6, processing materials according to the simulation model, debugging products, and performing trial production verification and optimization until the indexes of the circulator meet the requirements of design frequency, performance parameters and overall dimension.
In order to solve the above technical problem, an embodiment of the present invention further provides an electronic device, including the microstrip circulator in the above technical solution.
The invention has the beneficial effects that: the permanent magnet provides a bias magnetic field for the nested substrate, the dielectric gasket insulates the nested substrate and the permanent magnet, when an electromagnetic wave signal passes through the nested substrate, a gyromagnetic effect is formed under the combined action of a high-frequency electromagnetic field and a constant magnetic field, so that the electromagnetic wave is circularly transmitted in a single direction.
Additional aspects of the invention and its advantages will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a microstrip circulator provided in an embodiment of the present invention;
fig. 2 is an exploded view of a microstrip circulator structure according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a metal circuit pattern structure of a microstrip circulator provided in an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of a microstrip circulator provided in an embodiment of the present invention. As shown in fig. 1, the microstrip circulator includes: a shoe 100, a nested substrate 200, a dielectric spacer 300, and a permanent magnet 400.
The nested substrate 200 is fixed on the bottom support 100 and used for forming a gyromagnetic effect under the combined action of a high-frequency electromagnetic field and a constant magnetic field when an electromagnetic wave signal passes through the nested substrate, so that the electromagnetic wave is circularly transmitted in a single direction; the dielectric gasket 300 is fixed on the nested substrate and used for insulating the nested substrate and the permanent magnet and adjusting the strength of a magnetic field; permanent magnets 400 are affixed to the dielectric spacer 300 for providing a bias field to the nested substrates 200.
The nested substrate 200 may be soldered or electrically conductive adhesive bonded to the surface of the shoe 100, the dielectric washer 300 is bonded to the nested substrate 200, and the permanent magnet 400 is bonded to the dielectric washer 300. The bottom support 100 is made of iron alloy materials, and the dielectric gasket 300 is made of ceramic materials.
The size length and width of collet 100 should be the same with nested formula substrate 200 size, and thickness can be decided according to the practical demand, and the ferroalloy material that the material adopted the magnetic conductivity to be good prevents that the substrate is cracked on the one hand, and on the other hand can make the bias magnetic field that the permanent magnet provided more even. The dielectric spacer 300 is made of a ceramic material having a low dielectric loss.
Fig. 2 is an exploded view of a microstrip circulator according to an embodiment of the present invention. As shown in fig. 2, the microstrip circulator includes: the shoe 100, the ferrite sheet 201, the dielectric sleeve sheet 202, the metal circuit pattern 203 and the metal conductive layer 204, the dielectric spacer 300 and the permanent magnet 400.
Ferrite piece 201 adopts gyromagnetic ferrite, and ferrite piece 201 is circular gyromagnetic ferrite piece, and circular gyromagnetic ferrite piece nestification is fixed the central point of medium set piece 202 puts. The dielectric sleeve 202 is made of an insulator material, preferably a ceramic material with low dielectric loss, and is firmer, wide in selectable range and flexible in design compared with a full ferrite substrate, and is more suitable for miniaturization design when the dielectric constant of the selected dielectric material is higher.
The ferrite sheet 201 is fixed in the dielectric sleeve sheet 202 in a nested mode to form a ferrite-dielectric sleeve sheet, the thickness of the dielectric sleeve sheet 202 is the same as that of the ferrite sheet 201, a metal circuit pattern 203 is machined on one surface of the ferrite-dielectric sleeve sheet, a metal conducting layer 204 is machined on the other surface of the ferrite-dielectric sleeve sheet in a full-covering mode, the metal conducting layer 204 of the nested substrate 200 is welded or is adhered to the bottom support 100 through conducting glue, and the ferrite-dielectric sleeve sheet, the metal circuit pattern 203 and the metal conducting layer 204 form a micro-strip line structure. The dielectric spacer 300 is fixed to the metal circuit pattern 203, and the permanent magnet 400 is fixed to the dielectric spacer 300.
In the embodiment, the permanent magnet provides a bias magnetic field for the nested substrate, the dielectric gasket insulates the nested substrate and the permanent magnet, and when an electromagnetic wave signal passes through the nested substrate, a gyromagnetic effect is formed under the combined action of a high-frequency electromagnetic field and a constant magnetic field, so that the electromagnetic wave is circularly transmitted in a single direction.
Note that the ferrite sheet 201 has a saturation magnetization of 4 pi MSThe following conditions are satisfied:
Figure BDA0003356733510000041
wherein f is0Designing a center frequency for the target of the microstrip circulator, gamma being a gyromagnetic ratio, HAIs the anisotropy field of ferrite material.
The radius of the ferrite sheet 201 satisfies the following condition:
Figure BDA0003356733510000042
wherein λ is0Designing the wavelength 1/f of the center frequency for the target0，εr1Is the relative dielectric constant of the gyromagnetic ferrite material.
Figure BDA0003356733510000043
Wherein, the value of sigma is zero, and P is normalized saturation magnetization.
The thickness of the ferrite sheet 202 satisfies the following condition:
Figure BDA0003356733510000051
wherein R is0A is 0.8-0.9, and omega0Designing central frequency point angular frequency omega for target0＝4πf0，ε0The dielectric constant is 8.85 multiplied by 10 in vacuum-12F/m，QLIs a load quality factor, GRIs the central junction admittance;
Figure BDA0003356733510000052
wherein S ismIs the standing wave coefficient; y isTIs 1/4 lambda0Characteristic admittance, Y0The characteristic admittance is 50 Ω, and Δ f is the bandwidth.
As shown in fig. 3, the metal circuit pattern 203 includes a center disk 2031 and three port matching networks 2032, and the port matching networks 2032 have a cross-shaped structure. The ring angle ψ of the port matching network 2032 satisfies the following condition:
Figure BDA0003356733510000053
wherein, YiFor input admittance, YeffIs the intrinsic admittance of the gyromagnetic ferrite,
Figure BDA0003356733510000054
εr1is the relative dielectric constant of the gyromagnetic ferrite material; epsilon0Is a dielectric constant in vacuum, mu0For vacuum permeability, | k/μ | is the splitting factor.
The distance from the transverse structure of the cross-shaped structure of the port matching network to the central disk is IψThe lengths of the transverse structures of the three cross-shaped structures are respectively W11、W21And W31The widths of the transverse structures of the three cross-shaped structures are respectively I11、I21And I31Three, tenThe width of the vertical structure of the 'character' shaped structure is Wψ；W11、W21、W31、l11、l21、l31、lψIs equal to Wψ；
Calculating the vertical structure width W according to the characteristic impedance calculation formula of the microstrip lineψ：
Figure BDA0003356733510000055
Figure BDA0003356733510000061
Wherein Y is 1/Z, wherein Z is microstrip line impedance, epsilonr2Is the relative dielectric constant of the dielectric sleeve sheet, and h is the thickness of the gyromagnetic ferrite sheet; let Z equal to 50 Ω, Wψ＝W0，W0And the width of the vertical structure is 50 omega when Z is equal to 50 omega.
The embodiment of the invention also provides a design method of the microstrip circulator, which comprises the following steps:
s1, determining the design frequency band and performance parameters (such as insertion loss, standing-wave ratio (return loss) and reverse isolation) of the microstrip circulator, and selecting ferrite material (saturation magnetization 4 π M) according to the design frequency of the microstrip circulatorSAnd a relative dielectric constant εr1) And calculating the radius R and the thickness h of the gyromagnetic ferrite piece.
Determination of the saturation magnetization 4 π M of a primary parameter of gyromagnetic ferritesSThe conditions should be satisfied:
Figure BDA0003356733510000062
wherein f is0The center frequency of the frequency is designed for the target of the micro-strip circulator, gamma is the gyromagnetic ratio and is 2.21 multiplied by 105Hz/(A/m)，HAIs an anisotropy field of ferrite material, typically less than 100 × (10)3/4π)A/m；
Determination of 4 piMSAfter the value is obtained, the ferrite material which meets the requirements existing on the market is searched, and the relative dielectric constant epsilon of the gyromagnetic ferrite material is determinedr1The radius of the gyromagnetic ferrite sheet is calculated according to the formula:
Figure BDA0003356733510000063
wherein λ is0For designing the wavelength 1/f of the center frequency0；εr1Is the relative dielectric constant of the gyromagnetic ferrite material;
Figure BDA0003356733510000064
for the microstrip circulator, the circulator usually works in a low field region, sigma takes a value of 0, and P is normalized saturation magnetization, and generally takes 0.5-0.8.
Calculating the thickness of the ferrite sheet according to a formula:
Figure BDA0003356733510000071
wherein R is0Taking (0.8-0.9) x R, omega0Angular frequency omega of central frequency point0＝4πf0，ε0The dielectric constant is 8.85 multiplied by 10 in vacuum-12F/m，QLIs a load quality factor, GRIs the central junction admittance.
Figure BDA0003356733510000072
SmIs the standing wave coefficient; y isTIs 1/4 lambda0Characteristic admittance, taking 1/32, Y0And a characteristic admittance 1/50 of 50 Ω, Δ f being the bandwidth.
S2, determining the material parameter (the relative dielectric constant is epsilon)r2) And radius R of the center disk of the metal circuit pattern0；
The medium sleeve sheet is made of ceramic material. Currently, the relative dielectric constant of a common ferrite material is mostly between 12 and 16, and a special material can achieve about 25, but other properties such as line width and dielectric loss can be sacrificed. The ceramic material can be selected in a very wide range, and the number of the selected materials with the relative dielectric constant of 5-70 is very large. In the design process, for low-frequency devices such as 3-12 GHz, a ceramic material with a high dielectric constant is selected, so that the size of the device can be reduced; and the high-frequency device is, for example, 28-40 GHz, and a ceramic material with a lower dielectric constant is selected, so that the line width of a transmission line can be widened, the size of the device is increased, and the test and design errors are reduced. The dielectric loss of the ceramic material is smaller than that of ferrite, so that the transmission loss of the device can be reduced. Ferrite materials are relatively easy to crack or break edges, and ceramic materials are excellent in processability, stability and reliability.
Wherein, the radius of the metal circuit pattern central disk can be R0，R0It is preferably (0.8-0.9) x R, and the impedance of the central disk junction is usually 32 omega.
S3, determining the size of the port matching network according to the material parameters of the medium nest plate and the characteristic impedance calculation formula of the microstrip line;
the metal circuit pattern comprises a central disc and three port matching networks, wherein the port matching networks are of a cross-shaped structure. The ring angle psi of the port matching network satisfies the following condition:
Figure BDA0003356733510000073
wherein, YiFor input admittance, YeffIs the intrinsic admittance of the gyromagnetic ferrite,
Figure BDA0003356733510000081
εr1is the relative dielectric constant of the gyromagnetic ferrite material; epsilon0Is a dielectric constant in vacuum, mu0For vacuum permeability, | k/μ | is the splitting factor.
The distance from the transverse structure of the cross-shaped structure of the port matching network to the central disk is IψThree of "The length of the transverse structure of the cross-shaped structure is W11、W21And W31The widths of the transverse structures of the three cross-shaped structures are respectively I11、I21And I31The widths of the vertical structures of the three cross-shaped structures are Wψ；W11、W21、W31、l11、l21、l31、lψIs equal to Wψ；
Calculating the vertical structure width W according to the characteristic impedance calculation formula of the microstrip lineψ：
Figure BDA0003356733510000082
Wherein Y is 1/Z, wherein Z is microstrip line impedance, epsilonr2Is the relative dielectric constant of the dielectric sleeve sheet, and h is the thickness of the gyromagnetic ferrite sheet; let Z equal to 50 Ω, Wψ＝W0，W0And the width of the vertical structure is 50 omega when Z is equal to 50 omega.
S4, determining the material parameter (relative dielectric constant ε) of the gyromagnetic-oxygen sheetr1And saturation magnetization of 4 π MS) And material parameter epsilon of medium nest plater2Dimension data of the gyromagnetic ferrite sheet and the metal circuit pattern (R)0、R、h、W0、W11、W21、W31、Wψ、l11、l21、l31、lψ) And the data of the outline dimension of the circulator are initial values, and a simulation model is established in computer simulation software HFSS;
s5, fine-tuning the material parameter (epsilon) in S4 in the simulation modelr1、εr2And 4 π MS) And size data (R)0、R、h、W0、W11、W21、W31、Wψ、l11、l21、l31、lψ) Continuously optimizing according to the simulation result until the simulation curve meets the requirements of design frequency, performance parameters and overall dimension;
and S6, processing materials according to the simulation model, debugging products, and performing trial production verification and optimization until the indexes of the circulator meet the requirements of design frequency, performance parameters and overall dimension.
The embodiment of the invention provides electronic equipment, which comprises the microstrip circulator provided by the embodiment. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A microstrip circulator is characterized by comprising a bottom support, a nested substrate, a dielectric gasket and a permanent magnet which are sequentially stacked and fixed;
the nested substrate comprises a gyromagnetic ferrite sheet, a medium sleeve sheet, a metal circuit pattern and a metal conducting layer; the gyromagnetic ferrite sheet is fixed in a nesting mode to form a ferrite-dielectric sleeve sheet in the dielectric sleeve sheet, the thickness of the dielectric sleeve sheet is the same as that of the ferrite sheet, the dielectric sleeve sheet is made of insulating materials, one surface of the ferrite-dielectric sleeve sheet is fixed to the metal circuit pattern, the other surface of the ferrite-dielectric sleeve sheet covers the metal conducting layer completely, the nested substrate is fixed to the bottom support through the metal conducting layer, and the ferrite-dielectric sleeve sheet and the metal circuit pattern and the metal conducting layer form a micro-strip line structure.
2. The microstrip circulator of claim 1 wherein the gyromagnetic ferrite piece has a saturation magnetization of 4 π MSThe following conditions are satisfied:
Figure FDA0003356733500000011
wherein f is0Designing a center frequency for the target of the microstrip circulator, gamma being a gyromagnetic ratio, HAIs the anisotropy field of ferrite material.
3. The microstrip circulator of claim 2 wherein the radius of the piece of gyromagnetic ferrite satisfies the condition:
Figure FDA0003356733500000012
wherein λ is0Designing the wavelength 1/f of the center frequency for the target0，εr1Is the relative dielectric constant of the gyromagnetic ferrite material;
Figure FDA0003356733500000013
wherein, the value of sigma is zero, and P is normalized saturation magnetization.
4. The microstrip circulator of claim 3 wherein the thickness h of the piece of gyromagnetic ferrite satisfies the condition:
Figure FDA0003356733500000021
wherein R is0A is 0.8-0.9, and omega0Designing central frequency point angular frequency omega for target0＝4πf0，ε0Is a vacuum dielectric constant, QLIs a load quality factor, GRIs the central junction admittance;
Figure FDA0003356733500000022
wherein S ismIs the standing wave coefficient; y isTIs 1/4 lambda0Characteristic admittance, Y0The characteristic admittance is 50 Ω, and Δ f is the bandwidth.
5. The microstrip circulator of claim 4 wherein the metal circuit pattern includes a central disk and three port matching networks, the port matching networks being in a cross configuration.
6. The microstrip circulator of claim 5, wherein a ring angle ψ of the port matching network satisfies a condition:
Figure FDA0003356733500000023
wherein, YiFor input admittance, YeffIs the intrinsic admittance of the gyromagnetic ferrite,
Figure FDA0003356733500000024
εr1is the relative dielectric constant of the gyromagnetic ferrite material; epsilon0Is a dielectric constant in vacuum, mu0For vacuum permeability, | k/μ | is the splitting factor.
7. The microstrip circulator of claim 6 wherein the transverse structure of the cross-shaped structure of the port matching network is at a distance I from the central diskψThe lengths of the transverse structures of the three cross-shaped structures are respectively W11、W21And W31The widths of the transverse structures of the three cross-shaped structures are respectively I11、I21And I31The widths of the vertical structures of the three cross-shaped structures are Wψ；W11、W21、W31、l11、l21、l31、lψIs equal to Wψ；
The vertical structure width W of the cross-shaped structure is calculated according to the characteristic impedance calculation formula of the microstrip lineψ：
Figure FDA0003356733500000031
Wherein Y is 1/Z, wherein Z is microstrip line impedance, epsilonr2Is the relative dielectric constant of the dielectric sleeve sheet, and h is the thickness of the gyromagnetic ferrite sheet; let Z equal to 50 Ω, Wψ＝W0，W0The width of the vertical structure is 50 Ω.
8. The microstrip circulator of any one of claims 1 to 7 wherein the dielectric sleeve is made of a ceramic material, the bottom support is made of an iron alloy material, and the dielectric spacer is made of a ceramic material.
9. A method for designing a microstrip circulator as claimed in any one of claims 1 to 8, comprising the steps of:
s1, determining the design frequency and performance parameters of the microstrip circulator, determining the material parameters of the gyromagnetic ferrite pieces according to the design frequency of the microstrip circulator, and calculating the radius and the thickness of the gyromagnetic ferrite pieces;
s2, determining the material parameters of the medium nest plate and the radius of the metal circuit pattern central disc;
s3, determining the size of the port matching network according to the material parameters of the medium nest plate and the characteristic impedance calculation formula of the microstrip line;
s4, establishing a simulation model in computer simulation software HFSS according to material parameters of the gyromagnetic ferrite pieces and the medium sleeve pieces, size data of the gyromagnetic ferrite pieces and the metal circuit patterns and outline size data of the circulator as initial values;
s5, fine-tuning the material parameters and the size data in the S4 in the simulation model, and continuously optimizing according to the simulation result until the simulation curve meets the requirements of design frequency, performance parameters and overall size;
and S6, processing materials according to the simulation model, debugging products, and performing trial production verification and optimization until the indexes of the circulator meet the requirements of design frequency, performance parameters and overall dimension.
10. An electronic device comprising a microstrip circulator as claimed in any one of claims 1 to 9.
CN202111353452.4A 2021-11-16 2021-11-16 Microstrip circulator, design method thereof and electronic equipment Pending CN114039181A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111353452.4A CN114039181A (en) 2021-11-16 2021-11-16 Microstrip circulator, design method thereof and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111353452.4A CN114039181A (en) 2021-11-16 2021-11-16 Microstrip circulator, design method thereof and electronic equipment

Publications (1)

Publication Number Publication Date
CN114039181A true CN114039181A (en) 2022-02-11

Family

ID=80137755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111353452.4A Pending CN114039181A (en) 2021-11-16 2021-11-16 Microstrip circulator, design method thereof and electronic equipment

Country Status (1)

Country Link
CN (1) CN114039181A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114976546A (en) * 2022-02-21 2022-08-30 成都辰思科技有限公司 Multi-gyromagnetic composite microstrip circulator
CN116780140A (en) * 2023-08-28 2023-09-19 西南应用磁学研究所(中国电子科技集团公司第九研究所) Quasi-two-dimensional planarization circulator/isolator
CN118040279A (en) * 2024-04-11 2024-05-14 四川航天职业技术学院(四川航天高级技工学校) Method for designing Ka-band broadband small circulator based on ferrite

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105870558A (en) * 2016-03-30 2016-08-17 电子科技大学 W-wave-band circulator
CN107845852A (en) * 2017-10-20 2018-03-27 北京无线电测量研究所 A kind of composite substrate formula microstrip circulator
CN109361043A (en) * 2018-10-25 2019-02-19 北京无线电测量研究所 Ka wave band substrate integrated waveguide isolator
CN209561594U (en) * 2019-03-26 2019-10-29 南京广顺电子技术研究所有限公司 Three port microstrip circulator of broadband

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105870558A (en) * 2016-03-30 2016-08-17 电子科技大学 W-wave-band circulator
CN107845852A (en) * 2017-10-20 2018-03-27 北京无线电测量研究所 A kind of composite substrate formula microstrip circulator
CN109361043A (en) * 2018-10-25 2019-02-19 北京无线电测量研究所 Ka wave band substrate integrated waveguide isolator
CN209561594U (en) * 2019-03-26 2019-10-29 南京广顺电子技术研究所有限公司 Three port microstrip circulator of broadband

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张犧: "X波段微带环形器用铁氧体流延工艺及应用研究", 《中国优秀硕士学位论文全文数据库》 *
李绪益: "《微波技术与微波电路》", 31 March 2007 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114976546A (en) * 2022-02-21 2022-08-30 成都辰思科技有限公司 Multi-gyromagnetic composite microstrip circulator
CN116780140A (en) * 2023-08-28 2023-09-19 西南应用磁学研究所(中国电子科技集团公司第九研究所) Quasi-two-dimensional planarization circulator/isolator
CN118040279A (en) * 2024-04-11 2024-05-14 四川航天职业技术学院(四川航天高级技工学校) Method for designing Ka-band broadband small circulator based on ferrite

Similar Documents

Publication Publication Date Title
CN114039181A (en) Microstrip circulator, design method thereof and electronic equipment
CN107845852B (en) Composite substrate type microstrip circulator
Cheng et al. W-band characterizations of printed circuit board based on substrate integrated waveguide multi-resonator method
US7362274B1 (en) Coupled feed-in butterfly shaped left/right hand circularly polarized microstrip antenna
US7307493B2 (en) Broadband 180° degree hybrid microwave planar transformer
CN110531164B (en) Microwave sensor for measuring dielectric constant based on SIW-CSRR
CN202019043U (en) Substrate integrated waveguide filter with steep sideband characteristic
CN104577281B (en) Ferritic microwave isolator is loaded based on substrate integration wave-guide
CN105048051A (en) Tunable substrate integrated waveguide circular resonant cavity filter
US20190363415A1 (en) Microstrip circulator
US6917250B2 (en) Method of designing a circulator
CN111129684A (en) Millimeter wave 3dB directional coupler based on novel artificial magnetic conductor
CN202259640U (en) Reactance regulating T-shaped port SIW (Substrate Integrated Waveguide) circulator
Wang et al. A compact SISL balun using compensated interdigital capacitor
CN114545094A (en) High-sensitivity microwave sensor for measuring dielectric constant of material
CN104078733B (en) SIW circulator
CN103855456A (en) Method for making embedded micro-strip circulator
CN103296364B (en) A kind of Novel planar transmission line
CN112952329A (en) Coplanar waveguide type microwave ferrite circulator, preparation method and design method
KR20030069140A (en) Unequal Wilkinson Power Dividers using Simple Rectangular Defected Ground Structure
CN102377005A (en) Reactance-regulated plane integrated waveguide circulator with T-shaped port
Jakob et al. WR12 to planar transmission line transition on organic substrate
TWI650781B (en) Adjustable output power ratio rat collar coupler
CN206541929U (en) A kind of RFID antenna of sandwich construction
US7005937B2 (en) Circulator and method of manufacture

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20220211

RJ01 Rejection of invention patent application after publication