CN101677145A - Stepped ridge waveguide structure applied to microstrip-waveguide transition - Google Patents
Stepped ridge waveguide structure applied to microstrip-waveguide transition Download PDFInfo
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- CN101677145A CN101677145A CN200810222333A CN200810222333A CN101677145A CN 101677145 A CN101677145 A CN 101677145A CN 200810222333 A CN200810222333 A CN 200810222333A CN 200810222333 A CN200810222333 A CN 200810222333A CN 101677145 A CN101677145 A CN 101677145A
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Abstract
The invention discloses a stepped ridge waveguide structure applied to the microstrip-waveguide transition. The stepped ridge waveguide structure comprises a stepped ridge waveguide transition part, amicrostrip line and a waveguide. The stepped ridge waveguide transition part is produced in a waveguide cavity and is integrated with the inner wall of the waveguide cavity; the microstrip line extends to the waveguide cavity from one end of the waveguide cavity and is connected with the stepped ridge waveguide transition part; and the waveguide is connected with the other end of the waveguide cavity. The stepped ridge waveguide structure is used for the transition of the signal in the waveguide and the microstrip. The signal is inputted in from the microstrip line or waveguide on one end andis outputted out from the other end through the transition of the stepped ridge waveguide transition part. The stepped ridge waveguide structure applied to the microstrip-waveguide transition can effectively finish the microstrip-waveguide transition by consuming low energy, has good standing wave, is easy to process and convenient to assemble.
Description
Technical field
The present invention relates to electromagnetic field, machining and micro-packaging technology field, relate in particular to a kind of notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions, this notch cuttype ridge waveguide structure can be finished the conversion of microstrip line to waveguide effectively, and processing is simple, easy to assembly, have good microwave property, loss is low, standing wave is good, is the new ridge waveguide structure that forms in the development process of finishing the millimere-wave band power amplifier module.
Background technology
Current microwave and millimeter wave system, such as military and civilian in receive-transmit system require more compact transition, transition structure at present commonly used has: ridge waveguide transition, to utmost point fin-line transition, probe transitions or the like, these transition structure broader bandwidth (return loss is below 15dB in 10～20%), insert loss less than 0.7dB, their processed complex, some transition sizes are long, the technological requirement height, and to consider components and parts air-tightness problem, therefore increased the expense of design and the difficulty of processing, made the corresponding raising of its cost.
The present invention is a kind of notch cuttype ridge waveguide structure that is applied to little with a waveguide transitions, the structure of ladder realizes the conversion of signal between little band and waveguide, though the loss of this structure and limited bandwidth, processing is simple, easy to assembly, be particularly suitable for engineering and use.
Summary of the invention
(1) technical problem that will solve
Main purpose of the present invention provides a kind of notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions, and with the low-loss of realization millimere-wave band waveguide-microstrip transitions, and standing wave is good, processing is simple and easy to assembly.
(2) technical scheme
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions, this notch cuttype ridge waveguide structure comprises:
One notch cuttype ridge waveguide conversion portion, this notch cuttype ridge waveguide conversion portion are made in the waveguide cavity and with the waveguide cavity inwall and become one;
One microstrip line extends into waveguide cavity from an end, is connected in notch cuttype ridge waveguide conversion portion;
One waveguide is connected with the other end of waveguide cavity.
In the such scheme, this notch cuttype ridge waveguide structure is used for realizing signal in waveguide and little conversion with two kinds of structures, and signal, is exported by the other end through the conversion of notch cuttype ridge waveguide conversion portion from the microstrip line or the waveguiding structure input of an end.
In the such scheme, described notch cuttype ridge waveguide conversion portion is the scalariform of falling from power, and is positioned at the mid portion of waveguide cavity, the becoming one of upper wall in the bottom surface of step and the waveguide cavity, and the upper surface of step is connected with microstrip line by a ligule extension.
In the such scheme, described notch cuttype ridge waveguide conversion portion comprises three steps and a ligule extension that is connected with microstrip line at least.
In the such scheme, described ligule extension extends from the top corner portion of step upper surface, becomes one with the notch cuttype ridge waveguide conversion portion of the scalariform of falling from power.
In the such scheme, described microstrip line is fixed on the metal that is connected with the lower inner wall of waveguide cavity by a substrate.
In the such scheme, this notch cuttype ridge waveguide structure adopts metal material, and forms by the integrated processing and fabricating of precision.
(3) beneficial effect
From technique scheme as can be seen, the present invention has following beneficial effect:
1, this notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions provided by the invention can successfully be realized the conversion of signal between little band and waveguide in actual applications, and it is little that this structure is inserted loss, can obtain good input and output reflecting properties.
Characteristics such as 2, this notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions provided by the invention shows low-loss, and processing is simple, and is easy to assembly, customizable are the new transformational structures that forms in the development process of finishing waveguide level power amplifier module.
Description of drawings
Fig. 1 is the 3 D stereo schematic diagram that is applied to the notch cuttype ridge waveguide structure of little band-waveguide transitions provided by the invention;
Fig. 2 is the upward view that is applied to the notch cuttype ridge waveguide structure of little band-waveguide transitions along B-B ' cross section provided by the invention;
Fig. 3 is the profile that is applied to the notch cuttype ridge waveguide structure of little band-waveguide transitions along A-A ' cross section provided by the invention, and wherein, the part that is filled with oblique line is used to represent the waveguide cavity and the step of notch cuttype ridge waveguide structure;
Fig. 4 is the schematic diagram of each step in the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions provided by the invention;
Fig. 5 is the small-signal insertion loss test figure that the present invention is applied to the Ka wave band;
Fig. 6 is that the present invention is applied to Ka wave band input/output port reflection measurement figure.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Please refer to Fig. 1, Fig. 2 and Fig. 3, this notch cuttype ridge waveguide structure that is used for little band-waveguide transitions provided by the invention comprises a notch cuttype ridge waveguide conversion portion, a microstrip line and a waveguide.Wherein, this notch cuttype ridge waveguide conversion portion is made in the waveguide cavity and with the waveguide cavity inwall and becomes one; Microstrip line extends in the waveguide cavity from an end of waveguide cavity, is connected in notch cuttype ridge waveguide conversion portion; Waveguide is connected with the other end of waveguide cavity.
This notch cuttype ridge waveguide structure adopts metal material, and forms by the integrated processing and fabricating of precision.This notch cuttype ridge waveguide structure is used for realizing signal in waveguide and little conversion with two kinds of structures, and signal, is exported by the other end through the conversion of notch cuttype ridge waveguide conversion portion from the microstrip line or the waveguiding structure input of an end.
Notch cuttype ridge waveguide conversion portion is the scalariform of falling from power, and is positioned at the mid portion of waveguide cavity, the becoming one of upper wall in the bottom surface of step and the waveguide cavity, and the upper surface of step is connected with microstrip line by a ligule extension.Notch cuttype ridge waveguide conversion portion comprises three steps and a ligule extension that is connected with microstrip line at least.The ligule extension extends from the top corner portion of step upper surface, becomes one with the notch cuttype ridge waveguide conversion portion of the scalariform of falling from power.
These notch cuttype ridge waveguide conversion portion two ends connect waveguide and microstrip line respectively, directly connect together with waveguide cavity when making, and design by rational step size, can make its input and output reflecting properties in needed frequency band good, and Insertion Loss is little.This notch cuttype ridge waveguide conversion portion and waveguide fuse, and adopt metal material, and form by the integrated processing and fabricating of precision.
Described microstrip line is fixed on the metal that is connected with the lower inner wall of waveguide cavity by a substrate.
This notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions provided by the invention, its main size comprise the length a of square wave guide in the working frequency range, width b, the progression n of notch cuttype ridge waveguide, and the width W 2 of ridge, the height H 1 of each grade ridge, H2, H3, the length L 1 of each grade ridge, L2, L3, and the tongue width W 1 that contacts with microstrip type of ridge, height H 4, length L 4.
Specific design flow process of the present invention is as follows:
Step 1, according to operating frequency, with reference to international standard, select corresponding square wave guide physical dimension, comprise the width and the length of waveguide here;
Step 2, according to the bandwidth of designing institute needs and the requirement of center frequency response point, the design ridge waveguide structure comprises the progression n that determines the ridge waveguide ladder, the length L 1 of ladders at different levels, L2, L3, height H 1, H2, H3 and width W 2; Simultaneously, the tongue width W 1 that the design ridge contacts with microstrip type, height H 4, length L 4.The parameter of calculating gained brought in the HFSS software be optimized, obtain the optimal design physical dimension of ridge;
Step 4, make integral structure that square wave guide and conversion portion connect together, make corresponding microstrip line with metal material, the installation cavity is finally realized the described notch cuttype ridge waveguide structure that is applicable to little band-waveguide transitions
Step 5, test analysis, the loss and the standing-wave ratio of the network analyzer test structure of Waveguide interface.
In practical work experience, find, adopting to methods such as utmost point fin-line transition, probe transitions, though broader bandwidth, but their processed complex, some transition sizes are long, the technological requirement height, therefore increased the expense of design and the difficulty of processing, made the corresponding raising of its cost.Be not suitable for engineering and use, the notch cuttype ridge waveguide structure of little band-waveguide transitions proposed by the invention by the design and the processing of simple notch cuttype ridge, just can be realized little effective conversion of taking waveguide to.
Fig. 1 shows the 3 D stereo schematic diagram that is applied to the notch cuttype ridge waveguide structure of little band-waveguide transitions provided by the invention.Fig. 2 shows the upward view that is applied to the notch cuttype ridge waveguide structure of little band-waveguide transitions along B-B ' cross section provided by the invention, and wherein, the part that is filled with oblique line is used to represent the waveguide cavity of notch cuttype ridge waveguide structure.Fig. 3 shows the profile that is applied to the notch cuttype ridge waveguide structure of little band-waveguide transitions along A-A ' cross section provided by the invention, and wherein, the part that is filled with oblique line is used to represent the waveguide cavity and the step of notch cuttype ridge waveguide structure.Fig. 4 shows the schematic diagram of each step in the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions provided by the invention.
The notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions provided by the invention, the insertion loss of introducing is very low, as can be seen from Figure 5, in 34.5～36GHz frequency band range, insert loss＜1.6dB, because what adopt is method of testing back-to-back, middle 50 ohm microstrip that have one section 10mm, the therefore differential loss＜0.7dB of single ridge waveguide.As can see from Figure 6, the standing wave of input/output port all less than 1.5, satisfies little conversion requirement of taking waveguide to fully in 34.5～36GHz.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions is characterized in that, this notch cuttype ridge waveguide structure comprises:
One notch cuttype ridge waveguide conversion portion, this notch cuttype ridge waveguide conversion portion are made in the waveguide cavity and with the waveguide cavity inwall and become one;
One microstrip line extends in the waveguide cavity from an end, is connected in notch cuttype ridge waveguide conversion portion;
One waveguide is connected with the other end of waveguide cavity.
2, the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions according to claim 1, it is characterized in that, this notch cuttype ridge waveguide structure is used for realizing that signal is in waveguide and little conversion with two kinds of structures, signal is from the microstrip line or the waveguiding structure input of an end, through the conversion of notch cuttype ridge waveguide conversion portion, export by the other end.
3, the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions according to claim 1, it is characterized in that, described notch cuttype ridge waveguide conversion portion is the scalariform of falling from power, be positioned at the mid portion of waveguide cavity, becoming one of the interior upper wall of the bottom surface of step and waveguide cavity, the upper surface of step is connected with microstrip line by a ligule extension.
4, the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions according to claim 3 is characterized in that, described notch cuttype ridge waveguide conversion portion comprises three steps and a ligule extension that is connected with microstrip line at least.
5, the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions according to claim 3 is characterized in that, described ligule extension extends from the top corner portion of step upper surface, becomes one with the notch cuttype ridge waveguide conversion portion of the scalariform of falling from power.
6, the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions according to claim 1 is characterized in that described microstrip line is fixed on the metal that is connected with the lower inner wall of waveguide cavity by a substrate.
7, the notch cuttype ridge waveguide structure that is applied to little band-waveguide transitions according to claim 1 is characterized in that, this notch cuttype ridge waveguide structure adopts metal material, and forms by the integrated processing and fabricating of precision.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810222333A CN101677145A (en) | 2008-09-17 | 2008-09-17 | Stepped ridge waveguide structure applied to microstrip-waveguide transition |
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| CN200810222333A CN101677145A (en) | 2008-09-17 | 2008-09-17 | Stepped ridge waveguide structure applied to microstrip-waveguide transition |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176522A (en) * | 2011-01-17 | 2011-09-07 | 中国科学技术大学 | Device and method for realizing conversion between metal rectangular waveguides and microstrip lines |
| CN103207291A (en) * | 2013-03-14 | 2013-07-17 | 中国科学院上海微系统与信息技术研究所 | V-waveband planar circuit testing clamp |
| CN105580195A (en) * | 2013-10-01 | 2016-05-11 | 索尼公司 | Connector apparatus and communication system |
| CN105789806A (en) * | 2016-03-17 | 2016-07-20 | 西安电子工程研究所 | Medium sealed type small broadband microstrip to waveguide converter |
| CN111264000A (en) * | 2017-08-24 | 2020-06-09 | 阿斯泰克斯有限责任公司 | Transition from a stripline to a waveguide |
| CN112151927A (en) * | 2020-09-25 | 2020-12-29 | 绵阳天赫微波科技有限公司 | Double-ridge waveguide 4-path power synthesis amplifier |
| CN112397864A (en) * | 2020-10-21 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Integrated waveguide microstrip probe transition structure |
| CN114284675A (en) * | 2021-12-14 | 2022-04-05 | 中国船舶重工集团公司第七二三研究所 | 6-18GHz ultra wide band ridge waveguide-microstrip conversion structure |
| CN115101937A (en) * | 2022-06-20 | 2022-09-23 | 北京航空航天大学 | Horn feed source |
-
2008
- 2008-09-17 CN CN200810222333A patent/CN101677145A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176522A (en) * | 2011-01-17 | 2011-09-07 | 中国科学技术大学 | Device and method for realizing conversion between metal rectangular waveguides and microstrip lines |
| CN103207291A (en) * | 2013-03-14 | 2013-07-17 | 中国科学院上海微系统与信息技术研究所 | V-waveband planar circuit testing clamp |
| CN105580195A (en) * | 2013-10-01 | 2016-05-11 | 索尼公司 | Connector apparatus and communication system |
| US10014566B2 (en) | 2013-10-01 | 2018-07-03 | Sony Semiconductor Solutions Corporation | Connector apparatus and communication system |
| CN105580195B (en) * | 2013-10-01 | 2019-07-16 | 索尼半导体解决方案公司 | Electrical connector and communication system |
| CN105789806A (en) * | 2016-03-17 | 2016-07-20 | 西安电子工程研究所 | Medium sealed type small broadband microstrip to waveguide converter |
| CN105789806B (en) * | 2016-03-17 | 2018-06-01 | 西安电子工程研究所 | A kind of medium-tight type minimized wide-band microstrip waveguide transition |
| JP2020532190A (en) * | 2017-08-24 | 2020-11-05 | アスティックス ゲーエムベーハー | Transition from stripline to waveguide |
| CN111264000A (en) * | 2017-08-24 | 2020-06-09 | 阿斯泰克斯有限责任公司 | Transition from a stripline to a waveguide |
| US11552379B2 (en) | 2017-08-24 | 2023-01-10 | Cruise Munich Gmbh | Transition from a stripline to a waveguide |
| JP7291121B2 (en) | 2017-08-24 | 2023-06-14 | アスティックス ゲーエムベーハー | Transition from stripline to waveguide |
| CN112151927A (en) * | 2020-09-25 | 2020-12-29 | 绵阳天赫微波科技有限公司 | Double-ridge waveguide 4-path power synthesis amplifier |
| CN112151927B (en) * | 2020-09-25 | 2022-04-01 | 绵阳天赫微波科技有限公司 | Double-ridge waveguide 4-path power synthesis amplifier |
| CN112397864A (en) * | 2020-10-21 | 2021-02-23 | 中国电子科技集团公司第二十九研究所 | Integrated waveguide microstrip probe transition structure |
| CN114284675A (en) * | 2021-12-14 | 2022-04-05 | 中国船舶重工集团公司第七二三研究所 | 6-18GHz ultra wide band ridge waveguide-microstrip conversion structure |
| CN115101937A (en) * | 2022-06-20 | 2022-09-23 | 北京航空航天大学 | Horn feed source |
| CN115101937B (en) * | 2022-06-20 | 2023-11-03 | 北京航空航天大学 | Horn feed source |
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Application publication date: 20100324 |