CN106532213B - A kind of millimeter wave run-in index waveguide coaxial connecter device - Google Patents
A kind of millimeter wave run-in index waveguide coaxial connecter device Download PDFInfo
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- CN106532213B CN106532213B CN201610929377.4A CN201610929377A CN106532213B CN 106532213 B CN106532213 B CN 106532213B CN 201610929377 A CN201610929377 A CN 201610929377A CN 106532213 B CN106532213 B CN 106532213B
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Classifications
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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
- H01P5/103—Hollow-waveguide/coaxial-line transitions
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Abstract
The present invention relates to a kind of waveguide coaxial connecter devices, more particularly to a kind of millimeter wave run-in index waveguide coaxial connecter device, a kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting, inner conductor and wave-guide cavity wave, there is the tubular hollow cavity through its both ends on the wave-guide cavity wave, multi-stage stairs are arranged in one medial surface of wave-guide cavity wave, through-hole is being arranged along the direction of the central axis in the step for crossing hollow cavity central axis, one end of the inner conductor is fixed inside coaxial fitting, the other end is arranged in the through-hole of wave-guide cavity wave, inner conductor is not contacted with the through-hole wall.It is small by such environmental effects that the present invention provides one kind, and the influence to standing-wave ratio is small, and service performance is good, prevents extra graphite dust residual wave-guide cavity wave, the millimeter wave run-in index waveguide coaxial connecter device that complex environment can be used normally without taking measures.
Description
Technical field
The present invention relates to a kind of waveguide coaxial connecter devices more particularly to a kind of millimeter wave run-in index waveguide coaxial connecter to fill
It sets.
Background technique
The coaxial conversion equipment of millimeter waveguide is a kind of microwave device very extensive in millimeter wave frequency band purposes, from millimeter
The test of wave device arrives millimeter wave solid state phased array antenna, there is extensive application.Measure the electrical finger of waveguide coaxial connecter device
Mark is mainly the voltage standing wave ratio (VSWR) of port, and the quality of abbreviation standing-wave ratio, standing-wave ratio directly affects the survey of measured device
Try the working efficiency of accuracy or phased array antenna.
The coaxial conversion equipment of millimeter waveguide is divided into the rectilinear wave of millimeter wave according to the positional relationship of coaxial fitting and waveguide
Coaxial conversion equipment and millimeter wave run-in index waveguide coaxial connecter device are led, herein for millimeter wave run-in index waveguide coaxial connecter
Device is studied.This coaxial conversion equipment of millimeter waveguide generally requires the inner conductor of coaxial fitting and waveguide cavities connect
Touching, the mode of contact generally use welding or wrap up a thin layer of graphite in the inner conductor of coaxial fitting, are inserted into wave
Lead the intracavitary of matching ladder.Two methods cut both ways, and the method for welding makes the connection of the two solid reliable, by environmental factor
Influence it is small, but since operation wavelength is shorter, the influence of the inner conductor of coaxial fitting and the weld locations of waveguide to standing-wave ratio compared with
Greatly, service performance is influenced.The method simple possible wrapped up using graphite, but need to take measures to prevent extra graphite dust residual wave
Inner cavity is led, while under vibration at high speed environment, intracavitary graphite may be splashed out, forms detritus, cause bigger harm.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of millimeter wave run-in index waveguide
Coaxial conversion equipment.
The technical scheme to solve the above technical problems is that
A kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting, inner conductor and wave-guide cavity wave, the wave
There is the tubular hollow cavity through its both ends, a medial surface of wave-guide cavity wave is arranged multi-stage stairs, crosses hollow on guide cavity body
Through-hole is being arranged along the direction of the central axis in the step of chamber central axis, and one end of the inner conductor is fixed at coaxially
Inside connector, the other end is arranged in the through-hole of wave-guide cavity wave, and inner conductor is not contacted with the through-hole wall.
Beneficial effects of the present invention: inner conductor one end is fixed on inside coaxial fitting, through-hole of the other end in wave-guide cavity wave
Interior, inner conductor is not contacted with through-hole wall, is realized and is provided a kind of small by such environmental effects, the influence to standing-wave ratio is small, makes
With functional, extra graphite dust residual wave-guide cavity wave, the milli that complex environment can be used normally are prevented without taking measures
Metric wave run-in index waveguide coaxial connecter device.
Further, the other end of the inner conductor is suspended in the length in the through-hole of wave-guide cavity wave equal to waveguide cavity
The long a quarter of bulk wave.
Beneficial effect using above-mentioned further scheme is: being suspended in described in wave-guide cavity wave by the other end of inner conductor
The a quarter that length in through-hole is equal to wave-guide cavity wave wavelength realizes open circuit short circuit transformation, i.e., the other end end of inner conductor with
Wave-guide cavity wave does not contact, open circuit, and the other end of inner conductor realizes electrical connection in the end face of the through-hole inlet port, short-circuit,
It realizes through the above way and provides a kind of small by such environmental effects, the influence to standing-wave ratio is small, and service performance is good, is not necessarily to
It takes measures to prevent extra graphite dust residual wave-guide cavity wave, the millimeter wave run-in index waveguide that complex environment can be used normally is same
Axis conversion equipment.
Further, between the outer surface of the inner conductor and the inner surface of through-hole vertical range be 0.2mm to 0.3mm it
Between.
Beneficial effect using above-mentioned further scheme is: by hanging down between the outer surface of inner conductor and the inner surface of through-hole
Straight distance is 0.2mm to not contacting for inner conductor and wave-guide cavity wave is realized between 0.3mm, and inner conductor does not connect with the through-hole wall
Touching realizes and provides a kind of small by such environmental effects, and the influence to standing-wave ratio is small, and service performance is good, without taking measures
Extra graphite dust residual wave-guide cavity wave is prevented, the millimeter wave run-in index waveguide coaxial connecter dress that complex environment can be used normally
It sets.
Further, the central axis of the inner conductor, coaxial fitting, wave-guide cavity wave and through-hole is located along the same line.
Beneficial effect using above-mentioned further scheme is: by inner conductor, coaxial fitting, wave-guide cavity wave and through-hole
Mandrel line is located along the same line, and the connection relationships of various pieces is stablized, realize provide it is a kind of small by such environmental effects, it is right
The influence of standing-wave ratio is small, the good millimeter wave run-in index waveguide coaxial connecter device of service performance.
Further, the multi-stage stairs and the integrally manufactured molding of wave-guide cavity wave.
Beneficial effect using above-mentioned further scheme is: step need not be reassembled with wave-guide cavity wave, save processing step,
And the connection relationship of inner conductor and wave-guide cavity wave is stablized, realize provide it is a kind of small by such environmental effects, to the shadow of standing-wave ratio
Ring small, the good millimeter wave run-in index waveguide coaxial connecter device of service performance.
Further, the multi-stage stairs and the separately manufactured molding of wave-guide cavity wave, the material of multi-stage stairs and wave-guide cavity wave
Unanimously, wave-guide cavity wave passes through the fixed multi-stage stairs of screw.
Beneficial effect using above-mentioned further scheme is: step is separately manufactured with wave-guide cavity wave, and material is consistent, passes through
Screw is both fixed, general manufacturing condition can also be completed small by such environmental effects, and the influence to standing-wave ratio is small, usability
The manufacture of the good millimeter wave run-in index waveguide coaxial connecter device of energy.
Further, it is blocked up after further including, stifled one end connects coaxial fitting after described, and the other end connects wave-guide cavity wave, rear stifled
One end blocks up the other end afterwards and exists along the setting of center axis thereof direction and the central axis of through-hole on the same line first hollow
Along center axis thereof direction be arranged with the central axis of through-hole on the same line and in the described first hollow second be connected to
Sky, the first hollow cross-sectional area are greater than the second hollow cross-sectional area, and inner conductor successively penetrates through that first is hollow and second is hollow,
In the first hollow interior medium filled for fixing inner conductor, inner conductor passes through the medium.
Further, the medium is polytetrafluoroethylene material.
Further, the rear stifled screw by perforation coaxial fitting is connect with coaxial fitting one end, and the other end passes through
Wave-guide cavity wave is connected in the washer and perforation washer of rear stifled one end setting and screw stifled afterwards.
Beneficial effect using above-mentioned further scheme is: rear block up is connected between coaxial fitting and wave-guide cavity wave, to same
Shaft coupling serves with wave-guide cavity wave to be fixedly connected, while rear stifled interior medium inner conductors play fixed function, guarantee the present invention
It can be used normally in complex environment.
Further, described second is hollow consistent with the shape of through-hole.
Beneficial effect using above-mentioned further scheme is: the second hollow inner conductors consistent with the shape of through-hole, which rise, to be fixed
Effect guarantees that the present invention can be used normally in complex environment.
Detailed description of the invention
Fig. 1 is a kind of indulges cross-sectional schematic of millimeter wave run-in index waveguide coaxial connecter device described in the embodiment of the present invention；
In attached drawing, parts list represented by the reference numerals are as follows:
1, wave-guide cavity wave, 2, rear stifled, 3, inner conductor, 4, coaxial fitting.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
The embodiment of the present invention provides a kind of millimeter wave run-in index waveguide coaxial connecter device.
As shown in Figure 1, a kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting 4, inner conductor 3 and wave
Guide cavity body 1, has the tubular hollow cavity through its both ends on the wave-guide cavity wave 1, and the medial surface setting of wave-guide cavity wave 1 is more
Grade step crosses the step of hollow cavity central axis in the direction along the central axis and is arranged through-hole, and the one of the inner conductor 3
End is fixed inside coaxial fitting 4, and the other end is arranged in the through-hole of wave-guide cavity wave 1, inner conductor 3 and the through-hole
Inner wall does not contact.
Specifically, a kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting 4, inner conductor 3 and waveguide cavity
Body 1, has the tubular hollow cavity through its both ends on the wave-guide cavity wave 1, the tubular hollow cavity be cylinder barrel shaped hollow cavity,
Second level platform is arranged in one medial surface of long square tube shape hollow cavity, square cylinder hollow cavity or other tubular hollow cavities, wave-guide cavity wave 1
Rank or three-level step or multi-stage stairs, it is preferable that be set as two stage steps, cross the step of hollow cavity central axis along this
Through-hole is arranged in the direction of central axis, and one end of the inner conductor 3 is fixed in a conventional manner inside coaxial fitting 4,
Realize the connection of inner conductor 3 and coaxial fitting 4, the other end is arranged in the through-hole of wave-guide cavity wave 1, inner conductor 3 it is another
End between one end and the other end of the through-hole, one end of the through-hole close to 4 direction of coaxial fitting, the through-hole it is another
It holds close to 1 direction of wave-guide cavity wave, it is preferable that the other end of the other end of inner conductor 3 close to the through-hole.3 inner conductor 3 of inner conductor
It not being contacted with the through-hole wall, i.e. the other end end of inner conductor 3 and wave-guide cavity wave 1 does not contact, it opens a way, inner conductor 3
The other end is electrically connected in the realization of the end face of the through-hole inlet port, short-circuit 3 inner conductor of inner conductor, 3 wave-guide cavity wave 1, is led in realization
The electrical connection of body 3 and through-hole.The shape of inner conductor 3 can be set to cylindrical or the square bodily form or cuboid, preferably
Ground, inner conductor 3 are set as cylindrical.
There is the tubular hollow cavity through its both ends, in tubular hollow cavity in addition to stepped portions in remaining on wave-guide cavity wave 1
Cavity is filled using conventional substance, a kind of millimeter wave run-in index waveguide coaxial connecter device described in the embodiment of the present invention it is same
4 top jointing of shaft coupling, 1 lower part of wave-guide cavity wave connect waveguide.
3 one end of inner conductor is fixed on inside coaxial fitting 4, and the other end is in the through-hole of wave-guide cavity wave 1, inner conductor 3 and logical
Hole inner wall does not contact, and realizes and provides a kind of small by such environmental effects, the influence to standing-wave ratio is small, and service performance is good, nothing
It need to take measures to prevent extra graphite dust residual wave-guide cavity wave 1, the millimeter wave run-in index wave that complex environment can be used normally
Lead coaxial conversion equipment.
The other end of the inner conductor 3 is suspended in the length in the through-hole of wave-guide cavity wave 1 equal to 1 wavelength of wave-guide cavity wave
3 wave-guide cavity wave 1 of a quarter inner conductor.
Specifically, the shape of the inner conductor 3 and the shape of through-hole can be consistent, can also be inconsistent, the inner conductor 3
The other end be suspended in the length in the through-hole of wave-guide cavity wave 1 be equal to 1 wavelength of wave-guide cavity wave a quarter.
The length in the through-hole of wave-guide cavity wave 1 is suspended in equal to 1 wavelength of wave-guide cavity wave by the other end of inner conductor 3
A quarter realize open circuit short circuit transformation, i.e. the other end end of inner conductor 3 and wave-guide cavity wave 1 does not contact, and open circuit is inside led
The other end of body 3 realizes electrical connection in the end face of the through-hole inlet port, short-circuit, through the above way 3 waveguide cavity of inner conductor
3 inner conductor of body 1 inner conductor, 3 wave-guide cavity wave, 1 inner conductor, 3 inner conductor, 3 wave-guide cavity wave 1, which realizes, provides one kind by such environmental effects
Small, the influence to standing-wave ratio is small, and service performance is good, prevents extra graphite dust residual wave-guide cavity wave 1 without taking measures, multiple
The millimeter wave run-in index waveguide coaxial connecter device that heterocycle border can be used normally.
Vertical range is 0.2mm between 0.3mm between the outer surface of the inner conductor 3 and the inner surface of through-hole.
Specifically, the shape of the inner conductor 3 and the shape of through-hole can be consistent, can also be inconsistent, inner conductor 33
Vertical range is 0.2mm between 0.3mm between each face in outer surface and each face of inner surface of through-hole.Vertical range is less than
When 0.2mm, due to existing production technology problem, the central axis of inner conductor 3 and the central axis of wave-guide cavity wave 1 be not the same as always
On line, it may cause inner conductor 3 and contacted with through-hole；When vertical range is greater than 0.3mm, a medial surface of wave-guide cavity wave 1 can not
Multi-stage stairs are set.The working frequency of the millimeter wave run-in index waveguide coaxial connecter device of above-mentioned distance in wave-guide cavity wave 1
Function admirable in 10% range.
It is 0.2mm in being realized between 0.3mm by vertical range between the outer surface of inner conductor 3 and the inner surface of through-hole
Conductor 3 is not contacted with wave-guide cavity wave 1, and inner conductor 3 is not contacted with the through-hole wall, 3 inner conductor of inner conductor, 3 wave-guide cavity wave 1
3 inner conductor of inner conductor, 3 inner conductor, 3 wave-guide cavity wave 1, which realizes, provides a kind of, influence to standing-wave ratio small by such environmental effects
Small, service performance is good, prevents extra graphite dust residual wave-guide cavity wave 1 without taking measures, complex environment also can normally make
Millimeter wave run-in index waveguide coaxial connecter device.
The inner conductor 3, coaxial fitting 4, wave-guide cavity wave 1 and through-hole central axis be located along the same line.
It is located along the same line by the central axis of inner conductor 3, coaxial fitting 4, wave-guide cavity wave 1 and through-hole, each portion
Point connection relationship stablize, realize and provide a kind of small by such environmental effects, the influence to standing-wave ratio is small, and service performance is good
Millimeter wave run-in index waveguide coaxial connecter device.
The multi-stage stairs and the integrally manufactured molding of wave-guide cavity wave 1.
Multi-stage stairs and waveguide in a kind of millimeter wave run-in index waveguide coaxial connecter device described in the embodiment of the present invention
The integrally manufactured molding of cavity 1.
Step need not be reassembled with wave-guide cavity wave 1, save processing step, and the connection relationship of inner conductor 3 and wave-guide cavity wave 1
Stablize, realizes and provide a kind of small by such environmental effects, the influence to standing-wave ratio is small, and the good millimeter wave of service performance is parallel
Formula waveguide coaxial connecter device.
The multi-stage stairs and the separately manufactured molding of wave-guide cavity wave 1, multi-stage stairs are consistent with the material of wave-guide cavity wave 1, wave
Guide cavity body 1 passes through the fixed multi-stage stairs of screw.
The present invention also provides other embodiments, the difference of other embodiments and the embodiment of the present invention is only that described one kind
Multi-stage stairs and the separately manufactured molding of wave-guide cavity wave 1, multi-stage stairs and wave in millimeter wave run-in index waveguide coaxial connecter device
The material of guide cavity body 1 is consistent, and wave-guide cavity wave 11 passes through the fixed multi-stage stairs of screw.
Step and wave-guide cavity wave 1 are separately manufactured, and material is consistent, both fixed by screw, for general manufacturing condition
It also can complete small by such environmental effects, the influence to standing-wave ratio is small, the good millimeter wave run-in index Waveguide coaxial of service performance
The manufacture of conversion equipment.
A kind of millimeter wave run-in index waveguide coaxial connecter device blocks up 2 after further including, stifled 2 one end connect coaxial fitting after described
4, the other end connects wave-guide cavity wave 1, and rear stifled 2 one end are in the central axis along the setting of center axis thereof direction and through-hole with always
First on line is hollow, and rear stifled 2 other ends are arranged with the central axis of through-hole on the same line along center axis thereof direction
And with described first it is hollow be connected to second hollow, the first hollow cross-sectional area is greater than the second hollow cross-sectional area, inside leads
Body 3 successively penetrates through that first is hollow and second is hollow, and in the first hollow interior medium filled for fixing inner conductor 3, inner conductor 3 is worn
Cross the medium.
Specifically, first it is hollow and second it is hollow be set as cylinder barrel shaped, square cylinder, long square tube shape or other tubulars,
Preferably, first it is hollow and second it is hollow be set as cylinder barrel shaped, one end of inner conductor 3 is fixed on inside coaxial fitting 4, inside leads
The other end of body 3 blocked up after successively penetrating through 2 first is hollow and the second hollow through-hole for reaching wave-guide cavity wave 1 in, it is hollow first
The interior medium filled for fixing inner conductor 3, inner conductor 3 pass through the medium, and the medium is glass sintering terminal.
The medium is polytetrafluoroethylene material.
Stifled 2 are connect by the screw of perforation coaxial fitting 4 with 4 one end of coaxial fitting after described, and the other end passes through rear stifled 2
The washer and perforation washer and rear stifled 2 screw of one end setting are connected to wave-guide cavity wave 1.
Specifically, it described rear stifled 2 is connect by two screws of perforation coaxial fitting 4 with 4 one end of coaxial fitting, connection is together
Shaft coupling 4 and rear stifled 2 screw specification are M1.6mm (millimeter) * 3mm, and rear stifled 2 other end in rear stifled 2 one end by setting
Two washers setting and perforation washer and rear stifled 2 two screws are connected to wave-guide cavity wave 1, connection wave-guide cavity wave 1 and rear stifled 2
Screw specification is M2mm*5mm.
2 are blocked up afterwards to be connected between coaxial fitting 4 and wave-guide cavity wave 1, and coaxial fitting 4 is risen with wave-guide cavity wave 1 and is fixedly connected
Effect, while the medium inner conductors 3 in rear stifled 2 play fixed function, guarantee that the present invention can be used normally in complex environment.
Described second is hollow consistent with the shape of through-hole.Second hollow inner conductors 3 consistent with the shape of through-hole play fixation
Effect guarantees that the present invention can be used normally in complex environment.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of millimeter wave run-in index waveguide coaxial connecter device, which is characterized in that including coaxial fitting (4), inner conductor (3) and
Wave-guide cavity wave (1) has the tubular hollow cavity through its both ends, an inside of wave-guide cavity wave (1) on the wave-guide cavity wave (1)
Multi-stage stairs are arranged in face, and through-hole is arranged in the direction along the central axis in the step for crossing hollow cavity central axis, described interior
One end of conductor (3) is fixed at coaxial fitting (4) inside, and the other end is arranged in the through-hole of wave-guide cavity wave (1), interior
Conductor (3) is not contacted with the through-hole wall.
2. millimeter wave run-in index waveguide coaxial connecter device according to claim 1, which is characterized in that the inner conductor
(3) the other end is suspended in a quarter that the length in the through-hole of wave-guide cavity wave (1) is equal to wave-guide cavity wave (1) wavelength.
3. millimeter wave run-in index waveguide coaxial connecter device according to claim 2, which is characterized in that the inner conductor
(3) vertical range is 0.2mm between 0.3mm between the inner surface of outer surface and through-hole.
4. according to the described in any item millimeter wave run-in index waveguide coaxial connecter devices of Claims 2 or 3, which is characterized in that institute
The central axis for stating inner conductor (3), coaxial fitting (4), wave-guide cavity wave (1) and through-hole is located along the same line.
5. millimeter wave run-in index waveguide coaxial connecter device according to claim 4, which is characterized in that the multi-stage stairs
With wave-guide cavity wave (1) integrally manufactured molding.
6. millimeter wave run-in index waveguide coaxial connecter device according to claim 4, which is characterized in that the multi-stage stairs
With wave-guide cavity wave (1) separately manufactured molding, multi-stage stairs are consistent with the material of wave-guide cavity wave (1), and wave-guide cavity wave (1) passes through screw
Fixed multi-stage stairs.
7. according to the described in any item millimeter wave run-in index waveguide coaxial connecter devices of claim 5 or 6, which is characterized in that also
Including rear stifled (2), stifled (2) one end connection coaxial fitting (4), the other end connect wave-guide cavity wave (1) after described, afterwards stifled (2) one end
Along the setting of center axis thereof direction and the central axis of through-hole on the same line first hollow, (2) other end is blocked up afterwards and is existed
Along center axis thereof direction be arranged with the central axis of through-hole on the same line and in the described first hollow second be connected to
Sky, the first hollow cross-sectional area be greater than the second hollow cross-sectional area, inner conductor (3) successively penetrate through first it is hollow and second in
Sky, in the first hollow interior medium filled for fixing inner conductor (3), inner conductor (3) passes through the medium.
8. millimeter wave run-in index waveguide coaxial connecter device according to claim 7, which is characterized in that the medium is poly-
Tetrafluoroethene material.
9. millimeter wave run-in index waveguide coaxial connecter device according to claim 8, which is characterized in that after described stifled (2)
Screw by penetrating through coaxial fitting (4) is connect with coaxial fitting (4) one end, and the other end passes through in rear stifled (2) one end setting
Washer and perforation washer and the screw of rear stifled (2) are connected to wave-guide cavity wave (1).
10. millimeter wave run-in index waveguide coaxial connecter device according to claim 9, which is characterized in that in described second
It is empty consistent with the shape of through-hole.
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| JP7053005B2 (en) | 2018-02-06 | 2022-04-12 | 株式会社雄島試作研究所 | Coaxial switch and waveguide switch |
| CN112713371B (en) * | 2020-12-10 | 2022-03-04 | 北京无线电测量研究所 | Waveguide filter and use method thereof |
| CN114552156B (en) * | 2022-03-21 | 2022-10-14 | 北京星英联微波科技有限责任公司 | Termination spread spectrum waveguide coaxial converter |
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| CN201332133Y (en) * | 2008-12-30 | 2009-10-21 | 成都赛纳赛德科技有限公司 | High-frequency-band broadband coaxial - waveguide adapter |
| CN201369379Y (en) * | 2009-03-27 | 2009-12-23 | 西安艾力特电子实业有限公司 | Millimeter wave coaxial waveguide converter |
| CN203644920U (en) * | 2013-11-21 | 2014-06-11 | 西安艾力特电子实业有限公司 | Novel coaxial waveguide switch |
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| CN105846027A (en) * | 2016-05-06 | 2016-08-10 | 西安艾力特电子实业有限公司 | Cable-equipped waveguide component with small-size tail part |
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| CN106532213A (en) | 2017-03-22 |
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