CN202167599U - Full-X waveband ferrite microstrip circulator - Google Patents
Full-X waveband ferrite microstrip circulator Download PDFInfo
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- CN202167599U CN202167599U CN2011202884583U CN201120288458U CN202167599U CN 202167599 U CN202167599 U CN 202167599U CN 2011202884583 U CN2011202884583 U CN 2011202884583U CN 201120288458 U CN201120288458 U CN 201120288458U CN 202167599 U CN202167599 U CN 202167599U
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Abstract
The utility model provides a full-X waveband ferrite microstrip circulator, belonging to the technical field of microwave devices. The full-X waveband ferrite microstrip circulator comprises a rectangular ferrite substrate and a regular hexagonal metal plane central knot; the regular hexagonal metal plane central knot is provided with three input and output terminals consisting of one quarter wavelength matched microstrip lines; the port at the internal side of each input and output terminal is connected with one edge of the regular hexagon; the ports at the internal side of the three input and output terminals form included angles of 120 degrees with one another; three slim slots with the same dimension are arranged at the central vertical line of the other three edges of the regular hexagonal without being connected with the input and output terminal. In the utility model, the slim slots are arranged at the central knot of the regular hexagon, which is equivalent to a circuit breaking structure, so that the impedance of the central knot can be effectively adjusted and the transition with the external microstrip line is smoother, thus effectively increasing the working bandwidth of the circulator; simultaneously the dimension of the central conductor can be effectively reduced, and the miniaturization of the device can be benefited.
Description
Technical field
The utility model belongs to the microwave device technical field, relates to ferrite circulator.
Background technology
Before the World War II phase, Microwave Iron Oxide Elements just begin to be applied to military field.Solve the row practical problems such as inter-stage isolation, impedance and antenna duplexer of radar like circulator, isolator etc., greatly improved the tactical qualities of radar system.To nineteen nineties, states such as US and Russia have carried out " switching from manufacturing military products to goods for civilian use " research and production policy, make the application of microwave device expand to fields such as civilian communication, energy technology, workers and peasants doctor rapidly.The application of ferrite circulator and the market demand also enlarge rapidly thereupon.
Ferrite circulator is because to have a volume little, is prone to and advantages such as microwave circuit is integrated, and be the main object of circulator research in recent years always.A research direction of ferrite circulator is to explore new production technology and new technological approaches for ferrite device and material, carries out the research of new material and the exploitation of new device.Show circulator commonly used just like single Y, two Y, disk, triangle, the structure that multiple compound mode such as hexagonal forms.Realizing how expanding bandwidth and reduce device volume as far as possible under the basic belt performance prerequisite, is one of important topic in the circulator research and development.
Summary of the invention
The utility model provides a kind of full X-band ferrite microstrip circulator, and this circulator is in the whole X-band (characteristics that have high isolation performance, low insertion loss and port standing wave in the 8GHz～12GHz); Volume is less simultaneously, and it is mutually integrated to be easy to microwave circuit.
The utility model technical scheme is following:
A kind of full X-band ferrite microstrip circulator, as shown in Figure 1, comprise rectangle ferrite substrate 1 and regular hexagon metal flat centre junction 2; Regular hexagon metal flat centre junction 2 is positioned at rectangle ferrite substrate 1 surperficial centre position.Said regular hexagon metal flat centre junction 2 has three input/output terminals that are made up of the quarter-wave microstrip line; The inboard port of each input/output terminal links to each other with an orthohexagonal limit, and the inboard port of three input/output terminals is mutually 120 degree angles between any two; The center vertical line position that in regular hexagon, does not connect other three limits of input/output terminal has a finedraw, and three finedraws are measure-alike.
As shown in Figure 2, above-mentioned full X-band ferrite microstrip circulator also can comprise a bias magnetization ferrite 3; Said bias magnetization ferrite 3 is cylindric, is positioned at rectangle ferrite substrate 1 below and concentric with regular hexagon metal flat centre junction 2.
In the above-mentioned full X-band ferrite microstrip circulator; As shown in Figure 3; Said three input/output terminals are linked in sequence by inboard quarter-wave microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line and form, and three input/output terminals form y-type structure.
In the above-mentioned full X-band ferrite microstrip circulator; As shown in Figure 4; Said three input/output terminals are linked in sequence to T type transition microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line by inboard quarter-wave microstrip line, Y type and form, and three input/output terminals form T type structure.
The beneficial effect of the utility model is:
The utility model has been tied out three the 120 rotational symmetric finedraws of degree at the regular hexagon metal center of existing ferrite microstrip circulator, has formed the structure of similar open-circuit line.On centre junction, load the rotational symmetric finedraw of 120 degree with magnetic arm ridge; Be equivalent to add one and section the route structure; Can effectively regulate the impedance of centre junction, feasible transition with outside microstrip line is more level and smooth, thereby can effectively increase the bandwidth of operation of circulator by chance; Simultaneously since the finedraw structural change that loads the boundary condition of center resonance conductor, make can effectively reduce the changing of positive and negative rotation eigen mode of center conductor the size of center conductor, thereby help miniaturization of devices by wave number.
Description of drawings
One of structural representation of the full X-band ferrite microstrip circulator that Fig. 1 provides for the utility model.
Two of the structural representation of the full X-band ferrite microstrip circulator that Fig. 2 provides for the utility model.Compared to Figure 1 Fig. 2 has increased bias magnetization ferrite 3.
One of structural representation of regular hexagon metal flat centre junction in the full X-band ferrite microstrip circulator that Fig. 3 provides for the utility model.
In the full X-band ferrite microstrip circulator that Fig. 4 provides for the utility model two of the structural representation of regular hexagon metal flat centre junction.Fig. 4 compares with Fig. 3, and its input/output terminal has increased the Y type to T type transition microstrip line between inboard quarter-wave microstrip line and middle coupling microstrip line.
Embodiment
Embodiment one
A kind of full X-band ferrite microstrip circulator, as shown in Figure 2, comprise rectangle ferrite substrate 1, regular hexagon metal flat centre junction 2 and bias magnetization ferrite 3; Regular hexagon metal flat centre junction 2 is positioned at rectangle ferrite substrate 1 surperficial centre position, and said bias magnetization ferrite 3 is cylindric, is positioned at rectangle ferrite substrate 1 below and concentric with regular hexagon metal flat centre junction 2.Said regular hexagon metal flat centre junction 2 has three input/output terminals that are made up of the quarter-wave microstrip line; The inboard port of each input/output terminal links to each other with an orthohexagonal limit, and the inboard port of three input/output terminals is mutually 120 degree angles between any two; The center vertical line position that in regular hexagon, does not connect other three limits of input/output terminal has a finedraw, and three finedraws are measure-alike.Said three input/output terminals are linked in sequence to T type transition microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line by inboard quarter-wave microstrip line, Y type and form, and three input/output terminals form T type structure.
Device key dimension and parameter are following:
Ferrite substrate thickness is 0.8mm, and the regular hexagon length of side is 2.12mm, and three finedraw length are that 1.05mm, width are 0.12mm, and bias magnetization ferrite radius is 3.4mm; In the input/output terminal, the long 0.97mm of inboard quarter-wave microstrip line, wide 0.44mm, the long 0.63mm of outside quarter-wave microstrip line, wide 0.12mm, the long 0.91mm of middle coupling microstrip line, wide 1.31mm.The relative dielectric constant of ferrite substrate material and bias magnetization Ferrite Material is 14.5, and saturation magnetization is 2800 Gausses.
Above-mentioned circulator is in frequency 8GHz～12GHz (full X-band) scope, and the minimum isolation degree is :-20dB, maximum insertion are-0.4dB that maximum standing wave is 1.2.
Embodiment two
A kind of full X-band ferrite microstrip circulator, as shown in Figure 2, comprise rectangle ferrite substrate 1, regular hexagon metal flat centre junction 2 and bias magnetization ferrite 3; Regular hexagon metal flat centre junction 2 is positioned at rectangle ferrite substrate 1 surperficial centre position, and said bias magnetization ferrite 3 is cylindric, is positioned at rectangle ferrite substrate 1 below and concentric with regular hexagon metal flat centre junction 2.Said regular hexagon metal flat centre junction 2 has three input/output terminals that are made up of the quarter-wave microstrip line; The inboard port of each input/output terminal links to each other with an orthohexagonal limit, and the inboard port of three input/output terminals is mutually 120 degree angles between any two; The center vertical line position that in regular hexagon, does not connect other three limits of input/output terminal has a finedraw, and three finedraws are measure-alike.Said three input/output terminals are linked in sequence to T type transition microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line by inboard quarter-wave microstrip line, Y type and form, and three input/output terminals form T type structure.
Device key dimension and parameter are following:
Ferrite substrate thickness is 0.8mm, and the regular hexagon length of side is 2.12mm, and three finedraw length are that 1.05mm, width are 0.24mm, and bias magnetization ferrite radius is 3.4mm; In the input/output terminal, the long 0.97mm of inboard quarter-wave microstrip line, wide 0.44mm, the long 0.63mm of outside quarter-wave microstrip line, wide 0.12mm, the long 0.91mm of middle coupling microstrip line, wide 1.31mm.The relative dielectric constant of ferrite substrate material and bias magnetization Ferrite Material is 14.5, and saturation magnetization is 2800 Gausses.
Above-mentioned circulator is in frequency 8GHz～12GHz (full X-band) scope, and the minimum isolation degree is :-18dB, maximum insertion are 0.6dB, and maximum standing wave is 1.2.Compare embodiment one, owing to strengthened the width of finedraw, changeover portion does not mate variation, and overall belt effect slightly descends.
Embodiment three
A kind of full X-band ferrite microstrip circulator, as shown in Figure 2, comprise rectangle ferrite substrate 1, regular hexagon metal flat centre junction 2 and bias magnetization ferrite 3; Regular hexagon metal flat centre junction 2 is positioned at rectangle ferrite substrate 1 surperficial centre position, and said bias magnetization ferrite 3 is cylindric, is positioned at rectangle ferrite substrate 1 below and concentric with regular hexagon metal flat centre junction 2.Said regular hexagon metal flat centre junction 2 has three input/output terminals that are made up of the quarter-wave microstrip line; The inboard port of each input/output terminal links to each other with an orthohexagonal limit, and the inboard port of three input/output terminals is mutually 120 degree angles between any two; The center vertical line position that in regular hexagon, does not connect other three limits of input/output terminal has a finedraw, and three finedraws are measure-alike.Said three input/output terminals are linked in sequence to T type transition microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line by inboard quarter-wave microstrip line, Y type and form, and three input/output terminals form T type structure.
Device key dimension and parameter are following:
Ferrite substrate thickness is 0.8mm, and the regular hexagon length of side is 2.12mm, and three finedraw length are that 1.05mm, width are 0.06mm, and bias magnetization ferrite radius is 3.4mm; In the input/output terminal, the long 0.97mm of inboard quarter-wave microstrip line, wide 0.44mm, the long 0.63mm of outside quarter-wave microstrip line, wide 0.12mm, the long 0.91mm of middle coupling microstrip line, wide 1.31mm.The relative dielectric constant of ferrite substrate material and bias magnetization Ferrite Material is 14.5, and saturation magnetization is 2800 Gausses.
Above-mentioned circulator is in frequency 8GHz～12GHz (full X-band) scope, and the minimum isolation degree is :-15dB, maximum insertion are 0.6dB, and maximum standing wave is 2.0.Compare embodiment one, owing to reduced the width of finedraw, cardiac impedance in the influence significantly makes three port match variation simultaneously, and overall belt effect obviously descends to some extent.
The contrast execution mode
A kind of full X-band ferrite microstrip circulator comprises rectangle ferrite substrate 1, regular hexagon metal flat centre junction 2 and bias magnetization ferrite 3; Regular hexagon metal flat centre junction 2 is positioned at rectangle ferrite substrate 1 surperficial centre position, and said bias magnetization ferrite 3 is cylindric, is positioned at rectangle ferrite substrate 1 below and concentric with regular hexagon metal flat centre junction 2.Said regular hexagon metal flat centre junction 2 has three input/output terminals that are made up of the quarter-wave microstrip line; The inboard port of each input/output terminal links to each other with an orthohexagonal limit, and the inboard port of three input/output terminals is mutually 120 degree angles between any two.Said three input/output terminals are linked in sequence to T type transition microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line by inboard quarter-wave microstrip line, Y type and form, and three input/output terminals form T type structure.
Device key dimension and parameter are following:
Ferrite substrate thickness is 0.8mm, and the regular hexagon length of side is 2.12mm, and bias magnetization ferrite radius is 3.4mm; In the input/output terminal, the long 0.97mm of inboard quarter-wave microstrip line, wide 0.44mm, the long 0.63mm of outside quarter-wave microstrip line, wide 0.12mm, the long 0.91mm of middle coupling microstrip line, wide 1.31mm.The relative dielectric constant of ferrite substrate material and bias magnetization Ferrite Material is 14.5, and saturation magnetization is 2800 Gausses.
Above-mentioned circulator is in frequency 9.1GHz～12GHz scope, and the minimum isolation degree is :-20dB, maximum insertion are 0.6dB, and maximum standing wave is 1.2.Compare embodiment one, the contrast execution mode does not crack on centre junction, and the impedance of centre junction changes, and with the coupling variation of outside microstrip line, cause Insertion Loss to become big, and bandwidth is reduced to some extent.
Claims (4)
1. a full X-band ferrite microstrip circulator comprises rectangle ferrite substrate (1) and regular hexagon metal flat centre junction (2); Regular hexagon metal flat centre junction (2) is positioned at the surperficial centre position of rectangle ferrite substrate (1); It is characterized in that; Said regular hexagon metal flat centre junction (2) has three input/output terminals that are made up of quarter-wave coupling microstrip line; The inboard port of each input/output terminal links to each other with an orthohexagonal limit, and the inboard port of three input/output terminals is mutually 120 degree angles between any two; The center vertical line position that in regular hexagon, does not connect other three limits of input/output terminal has a finedraw, and three finedraws are measure-alike.
2. full X-band ferrite microstrip circulator according to claim 1 is characterized in that, said full X-band ferrite microstrip circulator also comprises a bias magnetization ferrite (3); Said bias magnetization ferrite (3) is cylindric, is positioned at rectangle ferrite substrate (1) below and concentric with regular hexagon metal flat centre junction (2).
3. full X-band ferrite microstrip circulator according to claim 1 and 2; It is characterized in that; Said three input/output terminals are linked in sequence by inboard quarter-wave microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line and form, and three input/output terminals form y-type structure.
4. full X-band ferrite microstrip circulator according to claim 1 and 2; It is characterized in that; Said three input/output terminals are linked in sequence to T type transition microstrip line, middle coupling microstrip line and outside quarter-wave microstrip line by inboard quarter-wave microstrip line, Y type and form, and three input/output terminals form T type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202884583U CN202167599U (en) | 2011-08-10 | 2011-08-10 | Full-X waveband ferrite microstrip circulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011202884583U CN202167599U (en) | 2011-08-10 | 2011-08-10 | Full-X waveband ferrite microstrip circulator |
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| CN202167599U true CN202167599U (en) | 2012-03-14 |
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| CN2011202884583U Expired - Fee Related CN202167599U (en) | 2011-08-10 | 2011-08-10 | Full-X waveband ferrite microstrip circulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116995389A (en) * | 2023-09-25 | 2023-11-03 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Unsaturated magnetization microstrip circuit and microstrip circulator composed of same |
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2011
- 2011-08-10 CN CN2011202884583U patent/CN202167599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116995389A (en) * | 2023-09-25 | 2023-11-03 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Unsaturated magnetization microstrip circuit and microstrip circulator composed of same |
| CN116995389B (en) * | 2023-09-25 | 2024-01-16 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Unsaturated magnetization microstrip circuit and microstrip circulator composed of same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140810 |
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| EXPY | Termination of patent right or utility model |