CN109830790A - A kind of totally-enclosed coplanar integrated waveguide is to strip line transition apparatus - Google Patents
A kind of totally-enclosed coplanar integrated waveguide is to strip line transition apparatus Download PDFInfo
- Publication number
- CN109830790A CN109830790A CN201910179819.1A CN201910179819A CN109830790A CN 109830790 A CN109830790 A CN 109830790A CN 201910179819 A CN201910179819 A CN 201910179819A CN 109830790 A CN109830790 A CN 109830790A
- Authority
- CN
- China
- Prior art keywords
- gap
- medium substrate
- enclosed
- strip line
- totally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Waveguides (AREA)
Abstract
The present invention provides the totally-enclosed coplanar integrated waveguide of one kind to strip line transition apparatus, including the first metal layer that is cascading, first medium substrate, second metal layer, second medium substrate, third metal layer, coplanar integrated wave guide structure, mode transition structure, impedance matching line, strip line and sub-miniature A connector；A cavity is provided on first medium substrate layer, the inner core of sub-miniature A connector welds in the cavity with coplanar integrated wave guide structure after passing through second medium substrate, and the upper surface of the cavity by a sheet metal cover and will form and complete closed co-planar waveguide integrated morphology.Coplanar integrated wave guide structure is completely enclosed with metal and sub-miniature A connector is used to feed by the present invention, has been formed simultaneously corresponding co-planar waveguide to strip transmission cable architecture, so that the transverse direction of multiple strip lines is closely set to possibility；The present invention is suitable for feed using SMA and multiple structures need the structure of lateral dense arrangement, while also having occupied area smaller, the low advantage of insertion loss.
Description
Technical field
The present invention relates to microwave technical fields, fill more particularly to a kind of totally-enclosed coplanar integrated waveguide to strip line transition
It sets.
Background technique
Strip line is made of the rectangular section conductor band of two pieces of grounded metal bands and intermediate one piece of width ω, thickness t
Transmission line, signal wire by metal blocks up and down in strip line, so that this kind of transmission structure is equal in millimeter wave, submillimeter wave
With lower insertion loss, just because of blocking for metal ground, so that strip lines configuration needs to design a kind of transition structure use
Feed in practical devices.
Coplanar integrated wave guide structure is since two sides are ground, and when so that signal transmitting therebetween, mode is TEM mould,
Equally there is the advantage low in millimeter wave, submillimeter wave frequency range insertion loss；The structure is ground due to there was only two sides simultaneously, just
It is combined in SMA to being fed.
Both the above transmission structure is combined, so that on the one hand on the other hand it is convenient for the design of device convenient for practical feed,
It is a kind of feasible millimeter wave, submillimeter wave device design method.Have now many documents introduce both transmission structures it
Between transition interconnection.
It is also the two sides of most coplanar integrated waveguides the upper surface of strip lines configuration in existing structure.
This design method makes when needing the laterally close setting of multiple strip lines configurations, the lower surface of a upper strip lines configuration
It can be contacted with the coplanar waveguide structure signal wire in next strip lines configuration, feed is caused to fail.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The embodiment of the present invention is designed to provide the totally-enclosed coplanar integrated waveguide of one kind to strip line transition apparatus, solves
The problem of multiple strip line feed structures laterally can not be closely set in the prior art.
The present invention provides a kind of totally-enclosed coplanar integrated waveguide to strip line transition apparatus, comprising: is cascading the
One metal layer, first medium substrate, second metal layer, second medium substrate, third metal layer, coplanar integrated wave guide structure, with
The mode transition structure of coplanar integrated wave guide structure connection, the impedance matching line being connect with mode transition structure and impedance matching
The strip line and sub-miniature A connector of line connection；Wherein the coplanar integrated wave guide structure, mode transition structure, impedance matching line with
And strip line is arranged in the second metal layer；A cavity is provided on first medium substrate layer, the inner core of sub-miniature A connector is worn
It crosses after second medium substrate and is welded in the cavity with coplanar integrated wave guide structure, the upper surface of the cavity will be by a metal
Thin slice, which is covered and formed, completes closed co-planar waveguide integrated morphology.
Further, the second metal layer is equipped in the first gap of rectangle and stitches with the second of the first gap area
Gap, the second gap are gradually opened according to the outer edge of quadrant, and the first gap is closed at one end and forms closed end, the first seam
The gap other end, which is gradually opened and formed according to the outer edge of quadrant, opens end；The coplanar integrated wave guide structure it is equivalent
Above ground portion includes first signal wire in the first gap and the closed end positioned at the first gap；The mode transition structure it is equivalent
Above ground portion includes the second gap and the second signal line in the second gap.
Further, the impedance matching line and strip line are respectively positioned on outside the first gap and the second gap；First signal
Line is connect with second signal line, and the second signal line is connect with impedance matching line；First signal wire, second signal line,
Impedance matching line and strip line 7 sequentially constitute co-planar waveguide to strip transmission cable architecture.
Further, the cavity is located at the top in first gap.
Further, the cavity and first signal wire are symmetrical arranged.
Further, first signal wire is completely enclosed between the sheet metal and first medium substrate.
Further, the second metal layer is provided with around first gap and extends only through the more of second medium substrate layer
A first plated-through hole.
Further, the second metal layer is provided through first medium substrate and second in the first plated-through hole periphery
Multiple second plated-through holes of medium substrate.
Further, the second metal layer is provided through first medium substrate and second around second gap and is situated between
Multiple third plated-through holes of matter substrate.
Further, it is provided in the first medium substrate layer and second medium substrate layer corresponding with plated-through hole more
A ground metallization through-hole.
When needing the laterally close setting of multiple strip lines configurations, the lower surface of a upper strip lines configuration in traditional design
Ground can be contacted with the coplanar waveguide structure signal wire in next strip lines configuration, and feed is caused to fail；The present invention is by coplanar collection
It is completely enclosed at waveguiding structure with metal and the inner core of sub-miniature A connector is used to be fed from bottom, be formed simultaneously corresponding total
Surface wave is directed at strip transmission cable architecture, so that the transverse direction of multiple strip lines is closely set to possibility；The present invention is suitable for needing
Feed is carried out using SMA and multiple structures need the structure of lateral dense arrangement, while also having occupied area smaller, insertion
Low advantage is lost.
Detailed description of the invention
Fig. 1 is the whole knot of three-dimensional of totally-enclosed coplanar integrated waveguide to strip line transition apparatus in the preferred embodiment of the present invention
Structure schematic diagram；
Fig. 2 is top view of the totally-enclosed coplanar integrated waveguide shown in Fig. 1 to strip line transition apparatus sheet；
Fig. 3 is S parameter simulation result diagram of the totally-enclosed coplanar integrated waveguide shown in Fig. 1 to strip line transition apparatus.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The present invention discloses the totally-enclosed coplanar integrated waveguide of one kind to strip line transition apparatus, passes through SMA and feeds realization.
Fig. 1 show the totally-enclosed coplanar integrated waveguide of the present invention to the structural schematic diagram of strip line transition apparatus, and Fig. 2 is complete
The top view for closing coplanar integrated waveguide to strip line transition apparatus cooperates with Fig. 1, facilitates understanding.
Totally-enclosed coplanar integrated waveguide to strip line transition apparatus includes: Jie of the first metal layer 1, first that is cascading
Matter substrate 2, second metal layer 3, second medium substrate 4 and third metal layer 5.
Totally-enclosed coplanar integrated waveguide to strip line transition apparatus further include be arranged in it is coplanar integrated in second metal layer 3
Waveguiding structure, the mode transition structure being connect with coplanar integrated wave guide structure, the impedance matching line 8 being connect with mode transition structure
And the strip line 7 being connect with impedance matching line 8.
The second gap 32 that second metal layer 3 is equipped with the first gap 31 in rectangle and is connected to the first gap 31, the
Two gaps 32 are gradually opened according to the outer edge of quadrant, and the first gap 31 is closed at one end and forms closed end, the first seam
31 other end of gap, which is gradually opened and formed according to the outer edge of quadrant, opens end.
The equivalent floor portion of coplanar integrated wave guide structure point includes the first gap 31 and the closed end positioned at the first gap 31
The first signal wire 6；The equivalent floor portion of mode transition structure point including the second gap 32 and in the second gap 32 the
Binary signal line 16.Impedance matching line 8 and strip line 7 are respectively positioned on outside the first gap 31 and the second gap 31.
First signal wire 6 of coplanar integrated wave guide structure is connected directly with the second signal line 16 in mode transition structure,
Second signal line 16 is connect with impedance matching line 8, and impedance matching line 8 is connected with strip line 7, since the first signal wire 6, second is believed
Number line 16, impedance matching line 8 and strip line 7 are sequentially connected to form co-planar waveguide to strip transmission cable architecture.
The characteristic impedance of coplanar integrated wave guide structure is 50 ohm in the present invention.The length of impedance matching line 8 about works
The a quarter of frequent medium wavelength.
First medium substrate layer 2 is equipped with a cavity 12, and cavity 12 is located at the top in the first gap 31 of second metal layer 3,
First signal wire 6 of cavity 12 and coplanar integrated wave guide structure is symmetrical arranged.
The inner core 14 of sub-miniature A connector 13 passes through after second medium substrate 4 in cavity 12 and after the welding of the first signal wire 6, empty
The upper surface of chamber 12 will be covered by sheet metal 15, integrate machine so that the first signal wire 6 be completely enclosed and form co-planar waveguide
The completion of structure, i.e. the first signal wire 6 is enclosed between sheet metal 15 and second medium substrate 4.
The material that first medium substrate 2 and second medium substrate 4 use is Roger 5880,2 He of first medium substrate
The thickness of second medium substrate 4 is 45mil to 55mil, preferably 50mil.
Second metal layer 3 is provided with multiple first metals for extending only through second medium substrate layer 4 around the first gap 31
Change through-hole 11；Second metal layer 3 is additionally provided in 11 periphery of the first plated-through hole across first medium substrate 2 and second medium
Multiple second plated-through holes 10 of substrate 4；Second metal layer 3 is also equipped with around the second gap 32 across first medium base
Multiple third plated-through holes 9 of plate 2 and second medium substrate 4.
Be arranged in first medium substrate layer 2 and second medium substrate layer 4 respectively with the first plated-through hole 11, the second metal
Change through-hole 10 and the corresponding multiple ground metallization through-holes of third plated-through hole 9.
Fig. 3 is S parameter simulation result of the totally-enclosed coplanar integrated waveguide to strip line transition apparatus, it can be seen that transition
For device in the working band of 8GHz to 18GHz, insertion loss is respectively less than 0.4dB, and return loss is better than -15dB, performance equal ten
Divide excellent.
When needing the laterally close setting of multiple strip lines configurations, the lower surface of a upper strip lines configuration in traditional design
Ground can be contacted with the coplanar waveguide structure signal wire in next strip lines configuration, and feed is caused to fail；The present invention is by coplanar collection
It is completely enclosed at waveguiding structure with metal and the inner core 14 of sub-miniature A connector 13 is used to be fed from bottom, be formed simultaneously correspondence
Co-planar waveguide to strip transmission cable architecture so that the transverse direction of multiple strip lines is closely set to possibility.
It is to be appreciated that above-mentioned each dimensional parameters are a kind of optimal setting in the present embodiment, cannot function as
The reasons why limiting the scope of the invention, each dimensional parameters can optimize configuration according to the actual situation.
The present invention is suitable for feed using SMA and the structure of the lateral dense arrangement of multiple transition apparatus needs, together
When also have occupied area smaller, the low advantage of insertion loss.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of totally-enclosed coplanar integrated waveguide is to strip line transition apparatus characterized by comprising be cascading first
Metal layer, first medium substrate, second metal layer, second medium substrate, third metal layer, coplanar integrated wave guide structure, together
The mode transition structure of face integrated wave guide structure connection, the impedance matching line being connect with mode transition structure and impedance matching line
The strip line and sub-miniature A connector of connection；Wherein the coplanar integrated wave guide structure, mode transition structure, impedance matching line and
Strip line is arranged in the second metal layer；A cavity is provided on first medium substrate layer, the inner core of sub-miniature A connector passes through
It is welded in the cavity with coplanar integrated wave guide structure after second medium substrate, the upper surface of the cavity will be by a metal foil
Piece, which is covered and formed, completes closed co-planar waveguide integrated morphology.
2. totally-enclosed coplanar integrated waveguide according to claim 1 is to strip line transition apparatus, it is characterised in that: described
Two metal layers are equipped in the first gap of rectangle and the second gap with the first gap area, and the second gap is according to a quarter
Round outer edge is gradually opened, and the first gap is closed at one end and forms closed end, and the first gap other end is according to quadrant
Outer edge gradually open and formed open end；The equivalent floor portion of the coplanar integrated wave guide structure point include the first gap and
The first signal wire positioned at the closed end in the first gap；The equivalent floor portion of the mode transition structure point include the second gap and
Second signal line in the second gap.
3. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: the resistance
Anti- matched line and strip line are respectively positioned on outside the first gap and the second gap；First signal wire is connect with second signal line, institute
Second signal line is stated to connect with impedance matching line；First signal wire, second signal line, impedance matching line and strip line 7 according to
Sequence constitutes co-planar waveguide to strip transmission cable architecture.
4. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: the sky
Chamber is located at the top in first gap.
5. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: the sky
Chamber and first signal wire are symmetrical arranged.
6. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: described
One signal wire is completely enclosed between the sheet metal and first medium substrate.
7. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: described
Two metal layers are provided with multiple first plated-through holes for extending only through second medium substrate layer around first gap.
8. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: described
Two metal layers are provided through multiple second gold medals of first medium substrate Yu second medium substrate in the first plated-through hole periphery
Categoryization through-hole.
9. totally-enclosed coplanar integrated waveguide according to claim 2 is to strip line transition apparatus, it is characterised in that: described
Two metal layers are provided through multiple third metals of first medium substrate Yu second medium substrate around second gap
Change through-hole.
10. feature exists according to any totally-enclosed coplanar integrated waveguide of claim 7-9 to strip line transition apparatus
In: multiple ground metallizations corresponding with plated-through hole are provided in the first medium substrate layer and second medium substrate layer
Through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179819.1A CN109830790B (en) | 2019-03-11 | 2019-03-11 | Totally-enclosed coplanar integrated waveguide-to-strip line transition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179819.1A CN109830790B (en) | 2019-03-11 | 2019-03-11 | Totally-enclosed coplanar integrated waveguide-to-strip line transition device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109830790A true CN109830790A (en) | 2019-05-31 |
| CN109830790B CN109830790B (en) | 2020-09-08 |
Family
ID=66868727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910179819.1A Active CN109830790B (en) | 2019-03-11 | 2019-03-11 | Totally-enclosed coplanar integrated waveguide-to-strip line transition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109830790B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628745A (en) * | 2020-05-29 | 2020-09-04 | 诺思(天津)微***有限责任公司 | Signal transmission line, duplexer, multiplexer, and communication apparatus |
| CN113346213A (en) * | 2021-06-30 | 2021-09-03 | 上海交通大学 | Gradual change switching structure from strip line to coplanar waveguide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7446712B2 (en) * | 2005-12-21 | 2008-11-04 | The Regents Of The University Of California | Composite right/left-handed transmission line based compact resonant antenna for RF module integration |
| JP2011120155A (en) * | 2009-12-07 | 2011-06-16 | Japan Radio Co Ltd | Microstrip line-wave guide converter |
| JP2011182039A (en) * | 2010-02-26 | 2011-09-15 | Sumitomo Metal Electronics Devices Inc | Transmission line board for high frequency |
| CN106025464A (en) * | 2016-06-03 | 2016-10-12 | 电子科技大学 | Substrate integrated waveguide-type cavity filter |
-
2019
- 2019-03-11 CN CN201910179819.1A patent/CN109830790B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7446712B2 (en) * | 2005-12-21 | 2008-11-04 | The Regents Of The University Of California | Composite right/left-handed transmission line based compact resonant antenna for RF module integration |
| JP2011120155A (en) * | 2009-12-07 | 2011-06-16 | Japan Radio Co Ltd | Microstrip line-wave guide converter |
| JP2011182039A (en) * | 2010-02-26 | 2011-09-15 | Sumitomo Metal Electronics Devices Inc | Transmission line board for high frequency |
| CN106025464A (en) * | 2016-06-03 | 2016-10-12 | 电子科技大学 | Substrate integrated waveguide-type cavity filter |
Non-Patent Citations (3)
| Title |
|---|
| PAUL SCHMALENBERG等: "Integrated Wideband 2-D and 3-D Transitions for Millimeter-Wave RF Front-Ends", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| ZHEN ZHOU等: "Development of a Broadband Coplanar Waveguide-to-Microstrip Transition With Vias", 《IEEE TRANSACTIONS ON ADVANCED PACKAGING》 * |
| 周希朗等: "全屏蔽共面耦合波导的准静态分析", 《上海交通大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628745A (en) * | 2020-05-29 | 2020-09-04 | 诺思(天津)微***有限责任公司 | Signal transmission line, duplexer, multiplexer, and communication apparatus |
| CN111628745B (en) * | 2020-05-29 | 2021-04-16 | 诺思(天津)微***有限责任公司 | Signal transmission line, duplexer, multiplexer, and communication apparatus |
| CN113346213A (en) * | 2021-06-30 | 2021-09-03 | 上海交通大学 | Gradual change switching structure from strip line to coplanar waveguide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109830790B (en) | 2020-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9270005B2 (en) | Laminate structures having a hole surrounding a probe for propagating millimeter waves | |
| US7091424B2 (en) | Coaxial via structure for optimizing signal transmission in multiple layer electronic device carriers | |
| US6639487B1 (en) | Wideband impedance coupler | |
| CN107154524B (en) | Transition structure from dielectric integrated suspension circuit to rectangular waveguide | |
| CN109830790A (en) | A kind of totally-enclosed coplanar integrated waveguide is to strip line transition apparatus | |
| CN108064115A (en) | Printed circuit board and manufacturing methods with antenna and electromagnetism tunnel embedding structure | |
| US20130104387A1 (en) | On pcb dielectric waveguide | |
| EP2500978A1 (en) | Waveguide transition | |
| US9496593B2 (en) | Enhancing operation of laminate waveguide structures using an electrically conductive fence | |
| CN112397863B (en) | Switching structure for millimeter wave and multilayer switching structure | |
| CN105244581B (en) | Rectangular waveguide-is trapezoidal to subtract high transition-substrate integration wave-guide converter and its assemble method | |
| DE10051661A1 (en) | Antenna with high frequency circuit, used as communication antenna, has antenna element connected to high frequency circuit formed in dielectric disk through conductor | |
| DE60105725T2 (en) | Waveguide coupling | |
| US20020190812A1 (en) | High-frequency interconnection for circuits | |
| US8598961B2 (en) | Waveguide transition for connecting U-shaped surface mounted waveguide parts through a dielectric carrier | |
| US20110140799A1 (en) | Low-Loss Millimeter-Wave Interface Comprising a Bare-Die | |
| US20110140979A1 (en) | Waveguide comprising laminate structure | |
| DE112010003585T5 (en) | RFIC INTERFACES AND MILLIMETER SHAFT STRUCTURES | |
| CN106982506A (en) | Printed circuit board and manufacturing methods with electromagnetism tunnel embedding structure | |
| CN108493550A (en) | A kind of efficient broadband magnetic coupling type waveguide-microstrip transformation structure | |
| DE60107883T2 (en) | Circuit arrangement for suppression of parasitic modes on planar waveguides | |
| CN208889849U (en) | It is a kind of for improving the shielding construction and connector of isolation between signal port | |
| CN104995789B (en) | Filter | |
| WO2013190437A1 (en) | Systems and methods for millimeter-wave laminate structures | |
| CN111129679B (en) | Design and manufacture method of gold wire bonding slow wave matching structure in microwave circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |