CN207967269U - A kind of Waveguide-microbelt converter suitable for V/W wave bands - Google Patents
A kind of Waveguide-microbelt converter suitable for V/W wave bands Download PDFInfo
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- CN207967269U CN207967269U CN201820319866.2U CN201820319866U CN207967269U CN 207967269 U CN207967269 U CN 207967269U CN 201820319866 U CN201820319866 U CN 201820319866U CN 207967269 U CN207967269 U CN 207967269U
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- waveguide
- microbelt
- wave bands
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Abstract
The utility model is related to millimetric wave device fields, disclose a kind of Waveguide-microbelt converter suitable for V/W wave bands.The utility model, which is created, provides a kind of millimetric wave device for being useful in V/W wave bands and carrying out energy conversion between waveguide and micro-strip, it is based on coupling probe transient mode, when signal is transferred to metal conduction band from rectangular waveguide, microstrip probe section is equivalent to reception antenna, the energy of electromagnetic field transmitted in waveguide is transformed into the electric current on microstrip line, is realized the TE of waveguide10Working mode change is the quasi- TEM operating modes of microstrip line, and the working frequency of converter is made to cover 60~90GHz, and insertion loss is small, and processing technology is easy and consistency is good.In addition, by the optimization design to critical sizes such as waveguide windowing, microstrip probe section, high resistant line segments, it can be achieved that the characteristics such as low-loss, low return loss and broadband, are convenient for practical promotion and application.
Description
Technical field
The utility model belongs to millimetric wave device field, and in particular to a kind of Waveguide-microbelt suitable for V/W wave bands is converted
Device.
Background technology
With millimeter-wave technology wirelessly communicate and radar in terms of extensive use, the Transmission system used in signal transmission
Have microstrip transmission line, coaxial line and waveguide etc., wherein waveguide relative to microstrip transmission line and coaxial line, have be lost it is low and one
The features such as cause property is good, is the common Transmission system of millimeter-wave technology.Currently, the MMIC due to constituting millimetre-wave circuit
(Monolithic Microwave Integrated Circuit, monolithic integrated microwave circuit) chip, capacitance resistance ware and micro-strip
Passive circuit etc. is produced on the dielectric substrate of integrated two-dimensional planar circuit, is needed converter to transmit signal from microstrip line and is
System is transitioned into waveguide transmission system.Currently, common transient mode mainly with have ladder Ridge Waveguide Transitions, to ridge fin-line transition,
The modes such as coupling probe transition, wherein with microstrip line realize coupling probe transient mode have simple in structure, handling ease,
The features such as consistency is good and at low cost, is most widely used.But the existing coupling probe transiens wave applied in V/W wave bands
Microwave transducers are led to need to be advanced optimized in insertion loss, return loss and bandwidth etc..
Utility model content
In order to solve the above problem of the existing technology, the utility model aim is to provide a kind of suitable for V/W waves
The Waveguide-microbelt converter of section.
Technical solution used by the utility model is：
A kind of Waveguide-microbelt converter suitable for V/W wave bands, including rectangular waveguide back of the body chamber and dielectric substrate, wherein institute
It states rectangular waveguide back of the body chamber to be made of rectangular waveguide, cover board and waveguide flange, the top layer of the dielectric substrate is micro- equipped with being divided into
Metal conduction band with probe segment, high resistant line segment and 50 ohm microstrip line segments；
One end of the rectangular waveguide unremovably cover board described in vertical connection, the other end broadside of the rectangular waveguide
Side wall is provided with window, and the waveguide flange is arranged in the periphery of the cover board；
The other end of the rectangular waveguide is removably vertically fastened on the top surface of the dielectric substrate, and is made described micro-
Be inserted into probe segment in the inner cavity of the rectangular waveguide, make the high resistant line segment in the window, make described 50 ohm it is micro-
Band line segment is protruding；
The bottom of the dielectric substrate is covered with the first copper foil layer, the dielectric substrate in non-rectangle waveguide inner section projected area
Top layer be covered with the second copper foil layer in rectangular waveguide end sidewalls contact zone, first copper foil layer is logical with second copper foil layer
Cross several via connections.
Specifically, the length of the rectangular waveguide is 0.98 ± 0.0127mm.
Specifically, the height of the window is 0.5 ± 0.0127mm, width is 0.98 ± 0.0127mm, length 1.016
±0.0127mm。
Specifically, the thickness of the dielectric substrate is 0.127mm, the thickness of the metal conduction band is 17um.
Further specifically, the length of the microstrip probe section is 0.6 ± 0.0065mm, width is 0.2 ± 0.0065mm.
Further specifically, the high resistant line segment length is 0.6 ± 0.0065mm, width is 0.25 ± 0.0065mm.
Specifically, the rectangular waveguide back of the body chamber is formed by aluminium product, and it is covered with according to ATTMB488 standards on its surface
Gold plated Layer.
Specifically, the dielectric substrate is formed by R03003 sheet fabrications.
The beneficial effects of the utility model are：
(1) the invention provides a kind of millimeter for being useful in V/W wave bands and carrying out energy conversion between waveguide and micro-strip
Wave device is based on coupling probe transient mode, and when signal is transferred to metal conduction band from rectangular waveguide, microstrip probe section is suitable
In reception antenna, the energy of electromagnetic field transmitted in waveguide is transformed into the electric current on microstrip line, is realized the TE of waveguide10Working mould
Formula is converted to the quasi- TEM operating modes of microstrip line, and the working frequency of converter is made to cover 60~90GHz, and insertion loss is small, adds
Work technique is easy and consistency is good；
(2) by the optimization design to critical sizes such as waveguide windowing, microstrip probe section, high resistant line segments, it can be achieved that low damage
The characteristics such as consumption, low return loss and broadband are convenient for practical promotion and application.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the overlooking structure diagram of Waveguide-microbelt converter provided by the utility model.
Fig. 2 is the inner rectangular waveguiding structure schematic diagram of Waveguide-microbelt converter provided by the utility model.
Fig. 3 is the present invention looks up structural representation of rectangular waveguide back of the body chamber provided by the utility model.
Fig. 4 is the top surface structure schematic diagram of dielectric substrate provided by the utility model.
Fig. 5 is the top surface partial enlargement structural representation of dielectric substrate provided by the utility model.
Fig. 6 is the input and output standing-wave ratio simulation result of Waveguide-microbelt converter provided by the utility model.
Fig. 7 is the insertion loss simulation result of Waveguide-microbelt converter provided by the utility model.
In figure：1- rectangular waveguides carry on the back chamber；101- rectangular waveguides；102- cover boards；103- waveguide flanges；104- windows；2- is situated between
Matter substrate；3- metal conduction bands；301- microstrip probe sections；302- high resistant line segments；303-50 ohm microstrip line segments.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated the utility model.It should be noted that right
It is used to help understand the utility model in the explanation of these way of example, but does not constitute the restriction to the utility model.
The terms "and/or", only a kind of incidence relation of description affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate：Individualism A, individualism B exist simultaneously tri- kinds of situations of A and B, the terms
"/and " it is another affiliated partner relationship of description, indicate may exist two kinds of relationships, for example, A/ and B, can indicate：Individually deposit
In A, two kinds of situations of individualism A and B, in addition, character "/" herein, it is a kind of "or" pass to typically represent forward-backward correlation object
System.
Embodiment one
As shown in Fig. 1~5, the Waveguide-microbelt converter provided in this embodiment suitable for V/W wave bands, including rectangular waveguide
Carry on the back chamber 1 and dielectric substrate 2, wherein the rectangular waveguide carries on the back chamber 1 by 103 groups of rectangular waveguide 101, cover board 102 and waveguide flange
At the top layer of the dielectric substrate 2, which is equipped with, is divided into microstrip probe section 301, high resistant line segment 302 and 50 ohm microstrip line segments
303 metal conduction band 3；One end of the rectangular waveguide 101 unremovably cover board 102 described in vertical connection, the rectangular wave
The other end broadside side wall for leading 101 is provided with window 104, and the waveguide flange 103 is arranged in the periphery of the cover board 102；It is described
The other end of rectangular waveguide 101 is removably vertically fastened on the top surface of the dielectric substrate 2, and makes the microstrip probe section
301 are inserted into the inner cavity of the rectangular waveguide 101, make the high resistant line segment 302 in the window 104, make 50 Europe
Nurse micro-strip line segment 303 is protruding；The bottom of the dielectric substrate 2 is covered with the first copper foil in non-rectangle waveguide inner section projected area
Layer, the top layer of the dielectric substrate 2 are covered with the second copper foil layer in rectangular waveguide end sidewalls contact zone, first copper foil layer with
Second copper foil layer is connected by several vias.
In the structure of the Waveguide-microbelt converter, the rectangular waveguide back of the body chamber 1 is waveguide transmission system, by aluminium
It is process, and Gold plated Layer is covered with according to ATTMB488 standards on its surface.The length of the rectangular waveguide 101 is specially 0.98
± 0.0127mm, inner section size meet national standard BJ740 and international standard WR12.The waveguide flange 103 is precision
Type waveguide flange meets national standard FUGP740 and international standard UG387/U.The window 104 is constraint window, for that will believe
Number energy limit concentrates on microstrip line transmitting, and inhibits higher mode, specifically, the height of the window 104 be 0.5 ±
0.0127mm, width are 0.98 ± 0.0127mm, and length is 1.016 ± 0.0127mm.
The dielectric substrate 2 is microstrip line Transmission system, is formed by R03003 sheet fabrications, thickness 0.127mm.Institute
It is microstrip line main body to state metal conduction band 3, thickness 17um, specifically, the length of the microstrip probe section 301 for 0.6 ±
0.0065mm, width be 0.2 ± 0.0065mm, 302 length of high resistant line segment be 0.6 ± 0.0065mm, width be 0.25 ±
0.0065mm.By aforementioned structure, for the dielectric substrate 2, it is equivalent to from the broadside side of rectangular waveguide 101 and is inserted into,
It can functionally be divided into three parts：First part is inserted into rectangular waveguide 101；The width of second part is the width of window 104, long
The sidewall thickness (i.e. the length of window 104) of degree and rectangular waveguide 101；Part III is 50 ohm microstrip extended segments.
The Waveguide-microbelt converter is still based on coupling probe transient mode, and operation principle is as follows：When signal is from rectangle
When waveguide 101 is transferred to metal conduction band 3, microstrip probe section 301 is equivalent to reception antenna, the energy of electromagnetic field that will be transmitted in waveguide
The electric current being transformed on microstrip line is realized the TE of waveguide10Working mode change is the quasi- TEM operating modes of microstrip line.Simultaneously
6 and 7 simulation result is it is found that the working frequency of the Waveguide-microbelt converter can cover 60~90GHz, and make to insert with reference to the accompanying drawings
Enter to be lost small.
To sum up, the Waveguide-microbelt converter suitable for V/W wave bands provided using the present embodiment has following technology effect
Fruit：
(1) a kind of millimeter wave for being useful in V/W wave bands and carrying out energy conversion between waveguide and micro-strip is present embodiments provided
Device is based on coupling probe transient mode, and when signal is transferred to metal conduction band from rectangular waveguide, microstrip probe section is equivalent to
The energy of electromagnetic field transmitted in waveguide is transformed into the electric current on microstrip line, realized the TE of waveguide by reception antenna10Operating mode
The quasi- TEM operating modes of microstrip line are converted to, and the working frequency of converter is made to cover 60~90GHz, insertion loss is small, processing
Technique is easy and consistency is good；
(2) by the optimization design to critical sizes such as waveguide windowing, microstrip probe section, high resistant line segments, it can be achieved that low damage
The characteristics such as consumption, low return loss and broadband are convenient for practical promotion and application.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, every the utility model right that falls into is wanted
The technical solution in confining spectrum is sought, is all fallen within the scope of protection of the utility model.
Claims (8)
1. a kind of Waveguide-microbelt converter suitable for V/W wave bands, it is characterised in that：Including rectangular waveguide back of the body chamber (1) and medium
Substrate (2), wherein the rectangular waveguide back of the body chamber (1) is made of rectangular waveguide (101), cover board (102) and waveguide flange (103),
The top layer of the dielectric substrate (2) is equipped with and is divided into microstrip probe section (301), high resistant line segment (302) and 50 ohm microstrips
The metal conduction band (3) of section (303)；
One end of the rectangular waveguide (101) unremovably cover board (102) described in vertical connection, the rectangular waveguide (101)
Other end broadside side wall be provided with window (104), the waveguide flange (103) is arranged in the periphery of the cover board (102)；
The other end of the rectangular waveguide (101) is removably vertically fastened on the top surface of the dielectric substrate (2), and makes institute
It states microstrip probe section (301) to be inserted into the inner cavity of the rectangular waveguide (101), the high resistant line segment (302) is made to be embedded in the window
In mouth (104), keep the 50 ohm microstrip line segment (303) protruding；
The bottom of the dielectric substrate (2) is covered with the first copper foil layer, the dielectric substrate in non-rectangle waveguide inner section projected area
(2) top layer is covered with the second copper foil layer, first copper foil layer and second copper foil in rectangular waveguide end sidewalls contact zone
Layer is connected by several vias.
2. a kind of Waveguide-microbelt converter suitable for V/W wave bands as described in claim 1, it is characterised in that：The rectangle
The length of waveguide (101) is 0.98 ± 0.0127mm.
3. a kind of Waveguide-microbelt converter suitable for V/W wave bands as described in claim 1, it is characterised in that：The window
(104) height is 0.5 ± 0.0127mm, and width is 0.98 ± 0.0127mm, and length is 1.016 ± 0.0127mm.
4. a kind of Waveguide-microbelt converter suitable for V/W wave bands as described in claim 1, it is characterised in that：The medium
The thickness of substrate (2) is 0.127mm, and the thickness of the metal conduction band (3) is 17um.
5. a kind of Waveguide-microbelt converter suitable for V/W wave bands as claimed in claim 4, it is characterised in that：The micro-strip
The length of probe segment (301) is 0.6 ± 0.0065mm, and width is 0.2 ± 0.0065mm.
6. a kind of Waveguide-microbelt converter suitable for V/W wave bands as claimed in claim 4, it is characterised in that：The high resistant
Line segment (302) length is 0.6 ± 0.0065mm, and width is 0.25 ± 0.0065mm.
7. a kind of Waveguide-microbelt converter suitable for V/W wave bands as described in claim 1, it is characterised in that：The rectangle
Waveguide back cavity (1) is formed by aluminium product, and is covered with Gold plated Layer according to ATTMB488 standards on its surface.
8. a kind of Waveguide-microbelt converter suitable for V/W wave bands as described in claim 1, it is characterised in that：The medium
Substrate (2) is formed by R03003 sheet fabrications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319866.2U CN207967269U (en) | 2018-03-08 | 2018-03-08 | A kind of Waveguide-microbelt converter suitable for V/W wave bands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319866.2U CN207967269U (en) | 2018-03-08 | 2018-03-08 | A kind of Waveguide-microbelt converter suitable for V/W wave bands |
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| Publication Number | Publication Date |
|---|---|
| CN207967269U true CN207967269U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820319866.2U Active CN207967269U (en) | 2018-03-08 | 2018-03-08 | A kind of Waveguide-microbelt converter suitable for V/W wave bands |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638452A (en) * | 2018-11-22 | 2019-04-16 | 天津七六四通信导航技术有限公司 | A kind of waveguide feed device convenient for safeguarding |
| CN110190861A (en) * | 2019-06-26 | 2019-08-30 | 四川众为创通科技有限公司 | Millimeter wave broadband receiver |
| CN110261756A (en) * | 2019-05-31 | 2019-09-20 | 惠州市德赛西威汽车电子股份有限公司 | The transformational structure of millimetre-wave radar circuit board radio frequency testing |
-
2018
- 2018-03-08 CN CN201820319866.2U patent/CN207967269U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638452A (en) * | 2018-11-22 | 2019-04-16 | 天津七六四通信导航技术有限公司 | A kind of waveguide feed device convenient for safeguarding |
| CN110261756A (en) * | 2019-05-31 | 2019-09-20 | 惠州市德赛西威汽车电子股份有限公司 | The transformational structure of millimetre-wave radar circuit board radio frequency testing |
| CN110190861A (en) * | 2019-06-26 | 2019-08-30 | 四川众为创通科技有限公司 | Millimeter wave broadband receiver |
| CN110190861B (en) * | 2019-06-26 | 2021-05-28 | 四川众为创通科技有限公司 | Millimeter wave broadband receiver |
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