CN215989171U - Waveguide microstrip radial probe conversion device suitable for W wave band - Google Patents
Waveguide microstrip radial probe conversion device suitable for W wave band Download PDFInfo
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- CN215989171U CN215989171U CN202122558982.4U CN202122558982U CN215989171U CN 215989171 U CN215989171 U CN 215989171U CN 202122558982 U CN202122558982 U CN 202122558982U CN 215989171 U CN215989171 U CN 215989171U
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- 239000000523 sample Substances 0.000 title claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 abstract description 8
- 230000037431 insertion Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- -1 Rogers 4350/5880 Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model provides a waveguide microstrip radial probe conversion device suitable for W wave band, comprising: the waveguide comprises a first waveguide and a second waveguide formed by bending and extending one end of the first waveguide, wherein the length of the first waveguide is greater than that of the second waveguide; one end of the transition structure is arranged in the second waveguide, and the transition structure comprises a substrate and a metal conduction band integrated on the substrate; the metal conduction band comprises a microstrip line, a high-inductance line connected to the tail end of the microstrip line and a radial probe connected to the tail end of the high-inductance line, and the radial probe is arranged in the second waveguide; the radius of the radial probe is 0.52mm, the central angle of the radial probe is 45 degrees, and the distance from the central line of the radial probe to the short-circuit surface of the second waveguide is 0.8 mm. The utility model can reduce the insertion loss and has the effect of expanding the working frequency band.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of wireless communication and radar systems, in particular to a waveguide microstrip radial probe conversion device suitable for a W waveband.
[ background of the utility model ]
As the use of millimeter wave technology in wireless communication and radar systems continues to increase, the use of low cost, high reliability millimeter wave monolithic integrated circuits (MMICs) is also becoming widespread. In a millimeter wave receiving system using an MMIC chip, a microstrip line is rapidly becoming an important transmission line form in modern millimeter wave integrated circuits due to the characteristic of convenient integration, and various MMIC monolithic circuits are designed and manufactured based on a microstrip transmission structure. However, in the millimeter wave circuit system, the connection mode of metal waveguide is mostly adopted for each circuit function module, because with the continuous increase of frequency, the microstrip transmission line can not meet the requirement of low transmission loss in the system.
However, in the mounting process, after the problems of single-end welding of the component, component displacement and the like are detected at the rear end, the PCB with problems can only be sent to a manual maintenance place for re-welding, so that the problems of insufficient automation and labor cost in the material changing process exist, and meanwhile, if the large-range material changing is met, the manual maintenance and material changing efficiency is low, and mistakes are easy to make.
Therefore, there is a need to provide a new waveguide microstrip radial probe conversion device suitable for W-band to solve the above technical problems.
[ Utility model ] content
The present invention is directed to overcoming at least one of the problems set forth above and providing a radial probe transformation device suitable for a waveguide microstrip of W band, thereby reducing insertion power consumption and extending the operation frequency band.
In order to achieve the above object, the present invention provides a waveguide microstrip radial probe conversion device suitable for W band, comprising:
the waveguide comprises a first waveguide and a second waveguide formed by bending and extending one end of the first waveguide, wherein the length of the first waveguide is greater than that of the second waveguide;
the transition structure is arranged in the second waveguide at one end and comprises a substrate and a metal conduction band integrated on the substrate;
the metal conduction band comprises a microstrip line, a high-inductance line connected to the tail end of the microstrip line and a radial probe connected to the tail end of the high-inductance line, and the radial probe is arranged in the second waveguide;
the radius of the radial probe is 0.52mm, the central angle of the radial probe is 45 degrees, and the distance from the central line of the radial probe to the short-circuit surface of the second waveguide is 0.8 mm.
Furthermore, one side of the second waveguide is inwards sunken to form a rectangular window, and the radial probe is arranged in the rectangular window.
Further, the height, width and length of the rectangular window are 0.83mm, 1.0mm and 0.9mm, respectively.
Further, the radial probe is a fan-shaped structure.
Further, the high inductance wire has a length of 0.55mm and a width of 0.18 mm.
Further, the substrate base has a depth of 1.0mm into the second waveguide.
Further, the width of the microstrip line is 0.26 mm.
Further, the microstrip line is a standard 50 ohm microstrip line.
Further, the substrate base sheet is made of Rogers 4350 material.
Further, the transition structure has a frequency range of 75-110GHz in the W band.
Compared with the prior art, the probe of the transition structure is arranged by adopting the radial probe, so that the radial structure can realize electromagnetic energy coupling to a greater extent on one hand, thereby reducing insertion loss, and on the other hand, the radial structure can also play a role in expanding the working frequency band.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of a waveguide microstrip radial probe conversion device suitable for a W-band provided by the present invention;
FIG. 2 is a schematic diagram of the results of the optimization simulation of FIG. 1;
FIG. 3 is a schematic structural diagram of a waveguide microstrip radial probe conversion device suitable for W-band provided by the present invention;
FIG. 4 is a schematic diagram of the optimized simulation results of FIG. 3;
fig. 5 is a schematic structural diagram of a transition structure provided by the present invention.
In the figure, 1, a waveguide, 2, a first waveguide, 3, a second waveguide, 4, a transition structure, 5, a substrate, 6, a metal conduction band, 7, a microstrip line, 8, a high inductance line, 9, a radial probe, 10 and a fan-shaped structure.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a waveguide microstrip radial probe conversion device suitable for W-band, which includes a waveguide 1 and a transition structure 4 disposed in the waveguide 1.
The waveguide 1 comprises a first waveguide 2 and a second waveguide 3 formed by bending and extending one end of the first waveguide 2, wherein the length of the first waveguide 2 is greater than that of the second waveguide 3.
One end of the transition structure 4 is arranged in the second waveguide 3, and the transition structure 4 comprises a substrate 5 and a metal conduction band 6 integrated on the substrate 5. The substrate 5 is a transmission medium of radio frequency signals and is also a support body of the whole transition structure 4, the support body is convenient for installing and arranging the metal conduction band 6, and the selection of a proper substrate is helpful for improving the performance of the whole transition circuit.
The metal conduction band 6 comprises a microstrip line 7, a high inductance line 8 connected to the tail end of the microstrip line 7 and a radial probe 9 connected to the tail end of the high inductance line 8, and the radial probe 9 is arranged in the second waveguide 3; the radius of the radial probe 9 is 0.52mm, the central angle of the radial probe 9 is 45 degrees, and the distance from the central line of the radial probe 9 to the short-circuit surface of the second waveguide 3 is 0.8 mm. The material commonly used as the transition substrate 5 is typically a low dielectric constant material such as Rogers 4350/5880, quartz, alumina, etc., i.e. the width a of the mouth of the rectangular waveguide 1 is 2.54mm and the narrow side b is 1.27 mm. And the connection of the transition conversion circuit and the MMIC chip basically adopts a mixed integration form of gold wire bonding. Through adopting radial probe 9 setting with transition structure 4's probe, radial structure can be on the one hand the realization electromagnetic energy coupling of bigger degree to reduce insertion loss, on the other hand can also play the effect of extension operating band.
The waveguide 1 adopts WR-10 standard size, namely the wide side a of the rectangular waveguide 1 opening is 2.54mm, and the narrow side b is 1.27 mm. The thickness of the substrate wafer 5 is 0.127 mm. The dimensions of the transition conversion circuit on the substrate 5 are 7.092mm × 1mm × 0.127mm, and the thickness of the metal conduction band 6 is 0.018 mm.
In this embodiment, one side of the second waveguide 3 is recessed inwards to form a rectangular window, and the two radial probes 9 are disposed in the rectangular window. So that the radial probe 9 can be conveniently inserted into the second waveguide 3, and the insertion loss is effectively reduced.
In the present embodiment, the height, width and length of the rectangular window are 0.83mm, 1.0mm and 0.9mm, respectively. The rectangular window is proper in size, the radial probe 9 is convenient to insert, and loss is reduced.
In this embodiment, the radial probe 9 is a fan-shaped structure 10. The sector structure 10 can achieve a greater degree of electromagnetic energy coupling, thereby reducing insertion loss, and can also serve to extend the operating frequency band.
In this embodiment, the high inductance wire 8 has a length of 0.55mm and a width of 0.18 mm.
In this embodiment, the substrate chip 5 has a depth of 1.0mm into the second waveguide 3.
In the present embodiment, the width of the microstrip line 7 is 0.26 mm.
In this embodiment, the microstrip line 7 is a standard 50 ohm microstrip line 7. Because the radial probe 9 presents capacitive reactance in impedance, a high-inductance line 8 with a slightly narrow width is connected in series between the radial probe 9 and the 50-ohm microstrip, so that impedance matching is completed, and the capacitive effect is eliminated.
In the present embodiment, the transition structure 4 has a frequency range of 75-110GHz in the W-band.
In this embodiment, the proposed W-band rectangular waveguide 1-microstrip transition structure 4 is simulated by using electromagnetic simulation software, and the simulation result is shown in fig. 2, where the return loss of the single-transition waveguide 1-microstrip transition structure 4 is still greater than 15dB, the insertion loss is less than 0.3dB, and the performance is excellent in the W-band frequency range of 75 to 110 GHz.
Furthermore, in order to facilitate connection of the test equipment, the waveguide 1-microstrip transition circuit is usually processed into a back-to-back structure, the input and output interfaces are on the same axis, the waveguide 1 is bent at a position 3.8mm away from the short-circuit surface of the waveguide 1 with a certain curvature, and finally the waveguide 1 and the connection position form an output at 90 degrees, as shown in fig. 3 specifically. The back-to-back structure of the waveguide 1-microstrip transition circuit has return loss >18dB and insertion loss <0.4dB in the W frequency range, and the simulation result is shown in FIG. 4.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A waveguide microstrip radial probe conversion device suitable for W wave band, characterized by comprising:
the waveguide comprises a first waveguide and a second waveguide formed by bending and extending one end of the first waveguide, wherein the length of the first waveguide is greater than that of the second waveguide;
the transition structure is arranged in the second waveguide at one end and comprises a substrate and a metal conduction band integrated on the substrate;
the metal conduction band comprises a microstrip line, a high-inductance line connected to the tail end of the microstrip line and a radial probe connected to the tail end of the high-inductance line, and the radial probe is arranged in the second waveguide;
the radius of the radial probe is 0.52mm, the central angle of the radial probe is 45 degrees, and the distance from the central line of the radial probe to the short-circuit surface of the second waveguide is 0.8 mm.
2. The waveguide microstrip radial probe transition device according to claim 1, wherein one side of the second waveguide is recessed inward to form a rectangular window, and the radial probe is disposed in the rectangular window.
3. The waveguide microstrip radial probe transition device according to claim 2 wherein the rectangular window has a height, width and length of 0.83mm, 1.0mm and 0.9mm, respectively.
4. The waveguide microstrip radial probe transition device according to claim 1 wherein the radial probe is a fan-shaped structure.
5. The waveguide microstrip radial probe transition device according to claim 1, wherein the high inductance line has a length of 0.55mm and a width of 0.18 mm.
6. The waveguide microstrip radial probe transition device according to claim 1 wherein the substrate has a depth of 1.0mm into the second waveguide.
7. The waveguide microstrip radial probe transition device according to claim 1, wherein the microstrip line has a width of 0.26 mm.
8. The waveguide microstrip radial probe transition device according to claim 1, wherein the microstrip line is a standard 50 ohm microstrip line.
9. The waveguide microstrip radial probe transition device according to claim 1, wherein the substrate is made of Rogers 4350 material.
10. The waveguide microstrip radial probe transition device according to claim 1 wherein the transition structure has a frequency in the W-band in the range of 75-110 GHz.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122558982.4U CN215989171U (en) | 2021-10-22 | 2021-10-22 | Waveguide microstrip radial probe conversion device suitable for W wave band |
| PCT/CN2022/116444 WO2023065841A1 (en) | 2021-10-22 | 2022-09-01 | Waveguide microstrip radial probe conversion device suitable for w wave band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122558982.4U CN215989171U (en) | 2021-10-22 | 2021-10-22 | Waveguide microstrip radial probe conversion device suitable for W wave band |
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| Publication Number | Publication Date |
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| CN215989171U true CN215989171U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122558982.4U Active CN215989171U (en) | 2021-10-22 | 2021-10-22 | Waveguide microstrip radial probe conversion device suitable for W wave band |
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| Country | Link |
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| CN (1) | CN215989171U (en) |
| WO (1) | WO2023065841A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065841A1 (en) * | 2021-10-22 | 2023-04-27 | 深圳飞骧科技股份有限公司 | Waveguide microstrip radial probe conversion device suitable for w wave band |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2600506C1 (en) * | 2015-10-02 | 2016-10-20 | Общество с ограниченной ответственностью "Радио Гигабит" | Waveguide-microstrip junction |
| CN205646074U (en) * | 2016-03-23 | 2016-10-12 | 中国科学院微电子研究所 | Probe type waveguide microstrip conversion device |
| CN205666315U (en) * | 2016-06-06 | 2016-10-26 | 中国电子科技集团公司第三十八研究所 | Be used for W wave band waveguide - microstrip probe converter |
| CN208093713U (en) * | 2017-12-22 | 2018-11-13 | 四川欣科奥电子科技有限公司 | A kind of transition structure of novel millimeter waveguide to micro-strip |
| JP2020145603A (en) * | 2019-03-07 | 2020-09-10 | 国立大学法人広島大学 | Waveguide transducer |
| CN215989171U (en) * | 2021-10-22 | 2022-03-08 | 深圳飞骧科技股份有限公司 | Waveguide microstrip radial probe conversion device suitable for W wave band |
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2021
- 2021-10-22 CN CN202122558982.4U patent/CN215989171U/en active Active
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2022
- 2022-09-01 WO PCT/CN2022/116444 patent/WO2023065841A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065841A1 (en) * | 2021-10-22 | 2023-04-27 | 深圳飞骧科技股份有限公司 | Waveguide microstrip radial probe conversion device suitable for w wave band |
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| WO2023065841A1 (en) | 2023-04-27 |
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