CN108767390A - A kind of compact four ports waveguide junction type circulator - Google Patents
A kind of compact four ports waveguide junction type circulator Download PDFInfo
- Publication number
- CN108767390A CN108767390A CN201810746009.5A CN201810746009A CN108767390A CN 108767390 A CN108767390 A CN 108767390A CN 201810746009 A CN201810746009 A CN 201810746009A CN 108767390 A CN108767390 A CN 108767390A
- Authority
- CN
- China
- Prior art keywords
- waveguide
- port
- waveguides
- metal
- standard
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/39—Hollow waveguide circulators
Landscapes
- Non-Reversible Transmitting Devices (AREA)
Abstract
The present invention provides a kind of compact four ports waveguide junction type circulator, including a four port waveguide connectors, four waveguide bendings, four standard waveguides；Four port waveguide connectors are symmetrical structure, and circumferential is four rectangular ports, and the angle between two neighboring port is 90 degree；On the inside of the upper end of four port waveguide connectors and lower end inside is both provided with metal derby and ferrite sheet；Four standard waveguides are connected one to one by four ports of four waveguide bendings and four port waveguide connectors respectively；Angle between the axis of standard waveguide port and the port axis of corresponding four port waveguide connector is 45 °, the port axis that waveguide bends the one end connected with four port waveguide connectors is parallel with the port axis of the four ports waveguide connector, and waveguide bending and the port axis of one end that standard waveguide connects are parallel with standard waveguide port axis.The present invention solves the technical problem that existing four ports waveguide junction type circulator insertion loss is big, size is big.
Description
Technical field
The invention belongs to circulator field, especially a kind of compact four ports waveguide junction type circulator.
Background technology
Circulator is one of most common microwave device, and in microwave system, circulator is often used as the transmitting-receiving of antenna
Switch realizes transceiver insulation.Circulator can be divided into the types such as micro-strip, band line, coaxial, waveguide by transmission line form.Waveguide type ring
Row device can be divided into junction type and differential phase shift formula etc. again according to structure type.Waveguide junction type ring row device therein is small, is suitable for
The occasion more demanding to system compactness.
Existing waveguide junction type circulator is generally three port organizations, to realize that four ports are gone in ring, needs two three ends
Mouth circulator is concatenated together, and constitutes four-port circulator.At this point, the insertion loss of the circulator is two three-port circulators
Insertion loss, while the size of circulator also will increase.
Invention content
In order to solve the technical problem that existing four ports waveguide junction type circulator insertion loss is big, size is big, the present invention carries
For a kind of compact four ports waveguide junction type circulator.
Technical solution of the invention is as follows：
A kind of compact four ports waveguide junction type circulator, is characterized in that：Including a four port waveguide connectors,
One metal derby, the first ferrite sheet, the second metal derby, the second ferrite sheet, four waveguide bendings and four standard waveguides；
Four port waveguide connector is symmetrical structure, and circumferential is four rectangular ports, the folder between two neighboring port
Angle is 90 degree；
First metal derby and the first ferrite sheet are from top to bottom set in turn on the inside of the upper end of four port waveguide connectors, the
Two metal derbies and the second ferrite sheet are set in turn in the lower end inside of four port waveguide connectors from the bottom to top；
Four port waveguide connector, the first metal derby, the first ferrite sheet, the second metal derby and the second ferrite sheet are same
Axis is arranged；
The structure of four waveguides bending is identical, and bending angle is 45 degree；
Four standard waveguides are the rectangular waveguide with model；
Four standard waveguides are divided into two groups, and two standard waveguides positioned at same group are arranged in parallel, adjacent positioned at different groups
Two standard waveguide angles are 180 degree；
Four standard waveguides are corresponded by four ports of four waveguide bendings and four port waveguide connectors respectively to be connected
It connects；Angle between the axis of standard waveguide port and the port axis of corresponding four port waveguide connector is 45 °.
Further, four port waveguide connector is that two rectangular waveguides are formed by hollow knot along the right-angled intersection of the faces E
Structure.
Four port waveguide connectors of the invention use the reason of two rectangular waveguide right-angled intersections rather than other angles be in order to
Ensure the symmetry of structure；Using being the reason of intersection along the faces E rather than the faces H in order to ensure the compactedness of structure.
Further, in order to extend the shape four of the bandwidth of circulator, first ferrite sheet and the second ferrite sheet
The inner cavity of port waveguide connector is adapted, and the first ferrite sheet and the second ferrite sheet are just cross, and tool is there are four end, and four
A end is located in four ports of four port waveguide connectors, and the edge of end is arc-shaped.
Further, for adjusting four port waveguide connector port reflectance factors is additionally provided in each standard waveguide
One metal cylinder and the second metal cylinder, the diameter of the first metal cylinder are more than the diameter of the second metal cylinder；
The quantity of the first metal cylinder and the second metal cylinder is respectively two in each standard waveguide, two the first metals
Cylindrical symmetry is arranged at the inner wall up and down of standard waveguide, and two the second metal cylinders are symmetricly set on the upper and lower interior of standard waveguide
At wall；Second metal cylinder is compared with the first metal cylinder, and the second metal cylinder is closer to four port waveguide connectors.
The first metal cylinder and the second metal cylinder in the present invention are for adjusting reflectance factor with by the longitudinal direction of circulator
Size Control must be shorter, to improve the compactedness of device；Other set-up modes are also very much, and one kind is easier to expect
Scheme be that one section of transition waceguide is added between waveguide bending and standard waveguide, to carry out the adjusting of reflectance factor, but
Being this way will cause circulator longitudinal size longer.
Further, in order to improve the performance of compact four ports waveguide junction type circulator, meet small size, be inserted into damage
Consumption, big bandwidth requirement, four port waveguide connector is by the waveguide edge that two intracavity section sizes are 20.443mm × 8.894mm
The hollow-core construction of the faces E right-angled intersection composition；
The spacing of the waveguide channels for the two waveguides bending being connected with same group of standard waveguide is 3mm；
First ferrite sheet and the second ferrite sheet are the rectangular irons that cross sectional shape is width 8.702mm, height 2.152mm
The shape formed by the circle cutting of concentric a diameter of 18.062mm after oxysome piece right-angled intersection；
First metal derby and the second metal derby are a diameter of 15.768mm, are highly the cylindrical metal of 2.224mm
When block bends concentric lamination placement with four port waveguide connectors and four waveguides, remove the remainder after lap；
The standard waveguide is BJ100 waveguides；
A diameter of 7.308mm of first metal cylinder is highly 6.745mm；In the same BJ100 waveguides, first
Metal cylinder center is 5.056mm with the second metal cylinder center spacing；
A diameter of 2.569mm of second metal cylinder is highly 8.391mm, the second gold medal in the same BJ100 waveguides
The center for belonging to cylinder bends the spacing of one end as 9.645mm with BJ100 waveguides close to waveguide；
In the same BJ100 waveguides, the axis of two the first metal cylinders and the axis of two the second metal cylinders are located at
On the median plane of BJ100 Narrow Wall of Waveguide edge directions.
Further, it is respectively arranged with magnet steel above and below the waveguide connector of four port.
Compared with prior art, the present invention advantageous effect is：
The present invention provides a kind of four port waveguide junction type circulator of faces E broadband, waveguide port that there are four circulator tools,
Total is centrosymmetric distribution along circulator center, can effectively reduce the sectional dimension of waveguide four-port circulator and vertical
To length, the insertion loss of circulator is reduced, while realizing low insertion loss and high-isolation in wider bandwidth range, made
It obtains waveguide four-port circulator and disclosure satisfy that the application under small size, low insertion loss, big bandwidth requirement.
Description of the drawings
Fig. 1 is the principle assumption diagram of the embodiment of the present invention；
The end view of Fig. 1 of Fig. 2；
Fig. 3 is the B-B sectional views of Fig. 2；
Fig. 4 is the C-C sectional views of Fig. 2；
Fig. 5 is four port waveguide connectors in Fig. 1, four waveguide bendings, the combinations of two metal derbies and two ferrite sheets
Structural schematic diagram, the endfaces Fig. 5 have sketched the contours the end view drawing of four port waveguide connectors with dotted line；
Fig. 6 is four port waveguide connectors in Fig. 1, four waveguide bendings, two metal derbies and two ferrite sheet combination knots
Another view of structure；
Fig. 7 is the combining structure schematic diagram of four port waveguide connectors in Fig. 1, four waveguide bendings and two metal derbies；
Fig. 8 is the structural schematic diagram of four port waveguide connectors in Fig. 1；
Fig. 9 is the structure chart of two ferrite sheets in Fig. 1；
Figure 10 is the cavity shape schematic diagram of circulator shown in FIG. 1；
Figure 11 is each port reflectance factor of circulator of the embodiment of the present invention, isolation simulation result curve graph；
Figure 12 is circulator insertion loss simulation result curve graph of the embodiment of the present invention.
Wherein reference numeral is：Tetra- port waveguide connectors of 1-, the first metal derbies of 21-, the second metal derbies of 22-, the first iron of 31-
Oxysome piece, the second ferrite sheets of 32-, 4- waveguides bending, 5- standard waveguides, the first metal cylinders of 6-, the second metal cylinders of 7-.
Specific implementation mode
The present invention is described in detail below in conjunction with attached drawing.
The present invention is that the design of four-port circulator is realized by individual devices.As shown in figs 1-9, the present embodiment is compact
Four port waveguide junction type circulators, including a four port waveguide connectors 1, the first metal derby 21, the first ferrite sheet 31, second
32, four metal derby 22, the second ferrite sheet waveguides bend 4, four BJ100 waveguides；Eight upper and lower two inside BJ100 waveguides
Second metal cylinder 7 of side and eight the first metal cylinders 6 being connect with BJ100 waveguides in 7 outside of the second metal cylinder.
In order to provide bias magnetic field to the first ferrite sheet 31, the second ferrite sheet 32, up and down two at four port waveguide connectors, 1 center
Magnet steel (not shown) is added in side.Four BJ100 waveguides are divided into two groups, and two standard waveguides 5 positioned at same group are arranged in parallel,
5 angle of two neighboring standard waveguide positioned at different groups is 180 degree；Four standard waveguides 5 respectively by four waveguides bend 4 with
Four ports of four port waveguide connectors 1 connect one to one, and the first metal derby 21, the second metal derby 22 are separately positioned on four ends
At the upper end inner wall and lower end inner wall of mouth waveguide connector 1, the first ferrite sheet 31 and the second ferrite sheet 32 are close to first respectively
Metal derby 21, the setting of the second metal derby 22, four port waveguide connectors 1, the first metal derby 21, the second metal derby 22, the first iron oxygen
Body piece 31 and the coaxial arrangement of the second ferrite sheet 32.The axis of the port axis and BJ100 waveguide ports of four port waveguide connectors 1
Between angle be 45 °, the bending angle of this angle and waveguide bending 4 is consistent, and is 45 °, two of 4 ends of waveguide bending
Mouthful axis respectively with the axis of the port of four port waveguide connectors 1 and the axis coaxle of BJ100 waveguide ports.
Figure 10 is the cavity shape schematic diagram of circulator shown in FIG. 1.
Specifically, the four port waveguide connectors 1 of the present embodiment are 20.443mm × 8.894mm by two intracavity section sizes
Waveguide along the right-angled intersection of the faces E form；As shown in fig. 7, the first metal derby 21 and the second metal derby 22 be a diameter of 15.768mm,
When the metal derby that height is 2.224mm is placed with four port waveguide connectors 1 and four 4 concentric laminations of waveguide bending, remove overlapping
Remainder behind part；As shown in figure 9, it is width that the first ferrite sheet 31, the second ferrite sheet 32, which are cross sectional shape,
8.702mm, height 2.152mm rectangle ferrite sheet right-angled intersection after by concentric a diameter of 18.062mm circle cutting formed
Shape；Standard waveguide 5 is BJ100 waveguides；A diameter of 7.308mm of first metal cylinder 6 is highly 6.745mm；It is same
In BJ100 waveguides, 6 center of the first metal cylinder is 5.056mm with 7 center spacing of the second metal cylinder；Second metal cylinder 7
A diameter of 2.569mm is highly 8.391mm, and the center of the second metal cylinder 7 is leaned on BJ100 waveguides in the same BJ100 waveguides
The spacing that nearly waveguide bends 4 one end is 9.645mm；In the same BJ100 waveguides, the axis and two of two the first metal cylinders 6
The axis of a second metal cylinder 7 is located on the median plane of BJ100 Narrow Wall of Waveguide edge directions.Two are located at four port waveguide connectors 1
The magnet steel of both sides above and below center, magnetic direction is identical, to the first ferrite sheet 31, the second ferrite sheet 32 inside waveguide connector
Bias magnetic field is provided.
Four port waveguide connectors 1 and the first ferrite sheet 31, the second ferrite sheet 32 constitute microwave transmission and lead in the present invention
The belt performance of circulator is realized in road, in addition, the specific knot of the first ferrite sheet 31 of the present invention, the second ferrite sheet 32
Configuration formula is to extend the bandwidth of circulator；First metal derby 21 and the second metal derby 22 influence the performance of circulator main
It is to be extended to bandwidth；The output port that waveguide bends 4 pair of four port waveguide connector 1 is bent, and makes four waveguide outputs
The axis of port is parallel or coaxial, realizes the densification in circulator section, waveguide bending structure is not used, directly by four port waves
Docking head 1 is attached also possible with standard waveguide 5, but the sectional dimension of circulator will be caused larger, be unfavorable for tying
The compactedness of structure；The output port of waveguide bending 4 is connected to BJ100 waveguides, convenient for circulator and other devices connection with
And performance test.Thick, the second metal cylinder 7 is added in BJ100 waveguides, so as to adjust reflectance factor (the i.e. attached drawing of each port
Reflectance factor S (1,1) parameter of port 1 in 11), make each port areflexia in entire working band.
In order to verify the performance of four port waveguide junction type circulator of design scheme of the invention, the present embodiment, which passes through, emulates mould
It is quasi-, it has obtained to draw a conclusion：
Referring to Figure 11 and Figure 12, the reflectance factor s (1,1) of port 1 known to from two width figures, between port 2 and port 1
Isolation s (1,2), the isolation s (3,1) between port 1 and port 3, the isolation s (4,1) between port 1 and port 4, end
Mouthful 1 to port 2 insertion loss s (2,1), the simulation result of the insertion loss s (3,2) of port 2 to port 3 shows in 8.0-
In 9.0GHz frequency ranges, the reflectance factor of port 1 is less than -20dB, and the isolation between port 2 and port 1 is more than 25dB, end
Isolation between mouth 1 and port 3 is more than 20dB, and the isolation between port 1 and port 4 is more than 20dB, port 1 to port 2
Insertion loss be less than 0.17dB, the insertion loss of port 2 to port 3 is less than 0.16dB.(i.e. port areflexia, port 1 to end
Mouthfuls 2 transmit, and port 2 to port 1 is isolated, and port 1 to port 3 is isolated, and port 1 to port 4 is isolated, between remaining port characteristic and this
Similar, structure design of the invention meets the requirement of four port waveguide junction circulators.)
The intracavity section size of the waveguide differential phase shift circulator is 22.86mm × 23.32mm, length 53mm, bandwidth
For 1GHz.It is wavelength that its sectional dimension, which is 0.65 λ × 0.66 λ, λ, at centre frequency, and the λ under centre frequency is 35.29mm,
The preferred embodiment that these are only the present invention, is not intended to restrict the invention.
Claims (6)
1. a kind of compact four ports waveguide junction type circulator, it is characterised in that：Including four port waveguide connectors (1), first
Metal derby (21), the first ferrite sheet (31), the second metal derby (22), the second ferrite sheet (32), four waveguides bending (4) and
Four standard waveguides (5)；
Four port waveguide connector (1) is symmetrical structure, and circumferential is four rectangular ports, the angle between two neighboring port
It is 90 degree；
First metal derby (21) and the first ferrite sheet (31) are from top to bottom set in turn in the upper end of four port waveguide connectors (1)
Inside, the second metal derby (22) and the second ferrite sheet (32) are set in turn in from the bottom to top under four port waveguide connectors (1)
End inside；
Four port waveguide connector (1), the first metal derby (21), the first ferrite sheet (31), the second metal derby (22) and
Two ferrite sheets (32) are coaxially disposed；
The structure of four waveguide bendings (4) is identical, and bending angle is 45 degree；
Four standard waveguides (5) are the rectangular waveguide with model；
Four standard waveguides (5) are divided into two groups, and two standard waveguides (5) being located at group are arranged in parallel, and are located at different groups of phase
Adjacent two standard waveguide (5) angles are 180 degree；
Four standard waveguides (5) bend (4) by four waveguides respectively and four ports one of four port waveguide connectors (1) are a pair of
It should connect；The axis of standard waveguide (5) port is with the angle between the port axis of corresponding four port waveguide connector (1)
45°。
2. compact four ports waveguide junction type circulator according to claim 1, it is characterised in that：
Four port waveguide connector (1) is that two rectangular waveguides are formed by hollow-core construction along the right-angled intersection of the faces E.
3. compact four ports waveguide junction type circulator according to claim 1, it is characterised in that：
The shape of first ferrite sheet (31) and the second ferrite sheet (32) and the inner cavity of four port waveguide connectors (1) are mutually fitted
Match, the first ferrite sheet (31) and the second ferrite sheet (32) are just cross, and there are four ends for tool, and four ends are located at
In four ports of four port waveguide connectors, and the edge of end is arc-shaped.
4. compact four ports waveguide junction type circulator according to claim 3, it is characterised in that：
The first metal for adjusting four port waveguide connector (1) port reflectance factors is additionally provided in each standard waveguide (5)
Cylinder (6) and the second metal cylinder (7), the diameter of the first metal cylinder (6) are more than the diameter of the second metal cylinder (7)；
The quantity of the first metal cylinder (6) and the second metal cylinder (7) is respectively two in each standard waveguide (5), two the
One metal cylinder (6) is symmetricly set at the inner wall up and down of standard waveguide (5), and two the second metal cylinders (7) are symmetricly set on
At the inner wall up and down of standard waveguide (5)；Second metal cylinder (7) is compared with the first metal cylinder (6), the second metal cylinder (7)
Closer to four port waveguide connectors (1).
5. compact four ports waveguide junction type circulator according to claim 4, it is characterised in that：
Four port waveguide connector (1) by two intracavity section sizes be 20.443mm × 8.894mm waveguide along the faces E cross
Intersect the hollow-core construction of composition；
The spacing of the waveguide channels for the two waveguides bending (4) being connected with same group of standard waveguide (5) is 3mm；
First ferrite sheet (31) and the second ferrite sheet (32) are that cross sectional shape is width 8.702mm, height 2.152mm
Rectangle ferrite sheet right-angled intersection after by concentric a diameter of 18.062mm circle cutting formed shape；
First metal derby (21) and the second metal derby (22) are a diameter of 15.768mm, are highly the cylinder of 2.224mm
When metal derby is placed with four port waveguide connectors (1) and four concentric laminations of waveguide bending (4), remove the residue after lap
Part；
The standard waveguide (5) is BJ100 waveguides；
A diameter of 7.308mm of first metal cylinder (6), is highly 6.745mm；In the same BJ100 waveguides, the first gold medal
It is 5.056mm to belong to cylinder (6) center with the second metal cylinder (7) center spacing；
A diameter of 2.569mm of second metal cylinder (7), is highly 8.391mm, the second gold medal in the same BJ100 waveguides
The center for belonging to cylinder (7) bends the spacing of (4) one end as 9.645mm with BJ100 waveguides close to waveguide；
In the same BJ100 waveguides, the axis of two the first metal cylinders (6) and the axis position of two the second metal cylinders (7)
In on the median plane of BJ100 Narrow Wall of Waveguide edge directions.
6. compact four ports waveguide junction type circulator according to claim 1, it is characterised in that：
Four port waveguide connector is respectively arranged with magnet steel above and below (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746009.5A CN108767390B (en) | 2018-07-09 | 2018-07-09 | Compact four-port waveguide junction type circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746009.5A CN108767390B (en) | 2018-07-09 | 2018-07-09 | Compact four-port waveguide junction type circulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108767390A true CN108767390A (en) | 2018-11-06 |
| CN108767390B CN108767390B (en) | 2020-10-09 |
Family
ID=63972927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810746009.5A Active CN108767390B (en) | 2018-07-09 | 2018-07-09 | Compact four-port waveguide junction type circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108767390B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072456Y (en) * | 2007-07-02 | 2008-06-11 | 珠海保税区光联通讯技术有限公司 | Four-port circulator |
| JP2010283626A (en) * | 2009-06-05 | 2010-12-16 | Orient Micro Wave:Kk | Irreversible circuit element |
| US20120081189A1 (en) * | 2010-09-30 | 2012-04-05 | Nealis Edwin | Systems and methods for a stacked waveguide circulator |
| CN202444044U (en) * | 2012-01-19 | 2012-09-19 | 成都信息工程学院 | Waveguide circulator |
-
2018
- 2018-07-09 CN CN201810746009.5A patent/CN108767390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072456Y (en) * | 2007-07-02 | 2008-06-11 | 珠海保税区光联通讯技术有限公司 | Four-port circulator |
| JP2010283626A (en) * | 2009-06-05 | 2010-12-16 | Orient Micro Wave:Kk | Irreversible circuit element |
| US20120081189A1 (en) * | 2010-09-30 | 2012-04-05 | Nealis Edwin | Systems and methods for a stacked waveguide circulator |
| CN202444044U (en) * | 2012-01-19 | 2012-09-19 | 成都信息工程学院 | Waveguide circulator |
Non-Patent Citations (1)
| Title |
|---|
| SHOUKRY I. SHAMS等: ""Wideband Coaxial to Ridge Gap Waveguide Transition"", 《IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108767390B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205646074U (en) | Probe type waveguide microstrip conversion equipment | |
| CN105071006B (en) | A kind of new orthomode coupler | |
| CN204905392U (en) | Integrated waveguide filter of dual 14 folding mould substrates | |
| US7443263B2 (en) | Wide-bandwidth balanced transformer | |
| CN106229598B (en) | The coplanar evil spirit T of kW grades of ultra-compact high-isolations and microwave power synthesis method | |
| CN107134626B (en) | A kind of millimeter wave space power divider/combiner | |
| CN102763269A (en) | Phase shifter using substrate integrated waveguide | |
| CN106532218B (en) | A kind of high-power rectangular waveguide dual directional coupler | |
| CN105789802B (en) | A kind of ultra wide band balun based on novel interconnection architecture | |
| CN103117442A (en) | Ridge waveguide directional coupler | |
| CN110061357A (en) | A kind of ipsilateral differential feed formula chip integrated waveguide slot antenna | |
| CN113328227A (en) | Transition structure from microstrip line to non-radiative dielectric waveguide | |
| CN108767390A (en) | A kind of compact four ports waveguide junction type circulator | |
| CN103337683A (en) | Orthogonal-mode coupler | |
| CN103050759B (en) | Inverted pi-type five-port E-surface power divider | |
| CN207320290U (en) | A kind of high directionality microstrip directional coupler | |
| CN201210512Y (en) | Directional coupler for wideband wave-guide | |
| CN205050976U (en) | High flat waveguide directional coupler of big coupling volume that keeps apart in broadband | |
| CN210468068U (en) | Double-sided parallel strip line-coaxial line conversion transition structure | |
| CN110311202A (en) | Broadband ridge waveguide power combiner and power combiner device based on gradual change ridge | |
| CN111029704A (en) | Compact waveguide bidirectional coupler | |
| CN208820041U (en) | A kind of rectangular four ridges orthomode coupler | |
| CN207542374U (en) | A kind of rectangular waveguide directional coupler | |
| CN203026625U (en) | Waveguide orthogonal mode converter for antenna feed system | |
| CN106025478B (en) | A kind of microstrip directional coupler of high directivity |
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 |