CN205081200U - Banded transmission line circulator of microwave with broadband matching - Google Patents
Banded transmission line circulator of microwave with broadband matching Download PDFInfo
- Publication number
- CN205081200U CN205081200U CN201520857669.2U CN201520857669U CN205081200U CN 205081200 U CN205081200 U CN 205081200U CN 201520857669 U CN201520857669 U CN 201520857669U CN 205081200 U CN205081200 U CN 205081200U
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- Prior art keywords
- circulator
- transmission line
- microwave
- broadband matching
- strip
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Abstract
The utility model relates to a banded transmission line circulator of microwave with broadband matching, lower permanent magnet in containing the shell and arranging it in proper order in, lower metal arc piece, lower microwave ferrite, stripline center conductor, go up microwave ferrite, go up the metal arc piece, go up permanent magnet, stripline center conductor is including the three knot of the falling Y syntonizer and the three inductance type transmission line that are 120 degrees contained angles, the knot of falling Y syntonizer is including the stripline microstrip circuit and the parallel circuit that have broadband matching, inductance type transmission line is the electric conductor that transmission shape was connected to the circulator port respectively, inductance type transmission line parallel match parallel circuit. The knot of falling Y syntonizer has broadband matching's stripline microstrip circuit and parallel circuit, realizes broadband matching, opens up the work bandwidth of wide circulator.
Description
Technical field
The utility model relates to the Microwave Iron Oxide Elements of wireless communications application, particularly relates to a kind of strip line microstrip circuit strip transmission line circulator/isolator with Broadband Matching.
Background technology
Microwave ferrite circulator is a kind of unidirectional device with three or more port, and it comprises microwave ferrite, strip line center conductor circuit, ground connection pole piece and permanent magnet.Due to the effect of gyromagnetic effect by the magnetized microwave ferrite of bias field, the electromagnetic wave energy entering the first port second port that goes in ring exports, and with the 3rd port isolation.
Usual people can expect the reverse signal energy in microwave circulator, insertion loss and minimized in size, simultaneously along with the rapid raising that wireless communications market requires high Capacity Communication System, require that microwave circulator can process the high-power signal in broad frequency range, and make the working band of microwave ferrite circulator obtain broadening.But due to the limitation of circuit design, the bandwidth of operation of circulator is restricted.
Improve circulator before and mainly comprise following measures realization in the technology of bandwidth of operation:
Relate to and design a low resonant circuit on center conductor circuit, its frequency is far below the ferro resonance frequency of ferrite component, and therefore, this resonant circuit is more much larger than stock size, and the spatial limitation of acceptor center conductor circuit.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of circulator with the strip line microstrip circuit of quarter-wave Broadband Matching.
The purpose of this utility model is achieved through the following technical solutions:
There is the microwave strip transmission line circulator of Broadband Matching, feature is: comprise shell and put lower permanent magnet in the inner successively, lower metal pole piece, lower microwave ferrite, strip line center conductor, upper microwave ferrite, upper metal pole piece, upper permanent magnet, described strip line center conductor comprises three knot of falling Y resonators in 120 degree of angles and three inductive type transmission lines, the described knot of falling Y resonator comprises the strip line microstrip circuit and parallel circuits with Broadband Matching, described inductive type transmission line is the electric conductor that emitting shape is connected to circulator port respectively, inductive type transmission line parallel connection coupling parallel circuits.
Further, the above-mentioned microwave strip transmission line circulator with Broadband Matching, wherein, the port end of described inductive type transmission line extends the electric conductor being connected to circulator port.
Further, the above-mentioned microwave strip transmission line circulator with Broadband Matching, wherein, described coupling parallel circuits is I shape or L shape.
Further, the above-mentioned microwave strip transmission line circulator with Broadband Matching, wherein, described in there is Broadband Matching strip line microstrip circuit electrical length equal 1/4th or 1/8th wavelength of circulator operating frequency.
Again further, the above-mentioned microwave strip transmission line circulator with Broadband Matching, wherein, described strip line center conductor is close to mutually with the surface of lower microwave ferrite and upper microwave ferrite in a coaxial fashion.
Again further, the above-mentioned microwave strip transmission line circulator with Broadband Matching, wherein, described lower microwave ferrite and upper microwave ferrite are disc, its radius at least with coupling parallel circuits extend to strip line center conductor the radius that defines of central point equally large.
Substantive distinguishing features and the progress of technical solutions of the utility model are mainly reflected in:
The utility model microwave strip transmission line circulator, the 120 degree of knot of falling Y resonators have strip line microstrip circuit and the parallel circuits of Broadband Matching, realize Broadband Matching, the bandwidth of operation of broadening circulator; It has the strip line microstrip circuit of quarter-wave Broadband Matching, to the working band Be very effective of broadening circulator; Solve the problem of the device size restriction of Broadband Matching; Low cost of manufacture, function is remarkable, ease in use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: the decomposition texture schematic diagram of the utility model circulator;
Fig. 2: the floor map of strip line center conductor.
Embodiment
As shown in Figure 1, there is the microwave strip transmission line circulator of Broadband Matching, comprise shell 1 and put lower permanent magnet 2, lower metal pole piece 3, lower microwave ferrite 4, strip line center conductor 5, upper microwave ferrite 14, upper metal pole piece 13, upper permanent magnet 12 in the inner successively, be fixed by threaded lid 6 after loading the shell 1 of magnetic conduction.Strip line center conductor 5 is close to the surface of lower microwave ferrite 4 and upper microwave ferrite 14 in a coaxial fashion.
As Fig. 2, strip line center conductor 5 comprises the knot of falling Y resonator 10 and three inductive type transmission lines 9 of three 120 degree of angles, inductive type transmission line 9 parallel connection coupling parallel circuits 8, coupling parallel circuits 8 is in I shape or L shape, and three inductive type transmission lines 9 are radially connected to the electric conductor 7 of circulator port respectively with impartial 120 degree of angles.
Wherein, the knot of falling Y resonator comprises the strip line microstrip circuit 13 and parallel circuits 11 with 1/4th or 1/8th wavelength Broadband Matching, resonator and strip line center conductor 5 is made to realize impedance matching in wider working band, effective broadening working band of circulator.In addition, coupling parallel circuits 8 is parallel to inductive type transmission line 9, for inputting, the impedance matching of output port.
Lower microwave ferrite 4 and upper microwave ferrite 14 cylindrical, the radius of microwave ferrite at least with open circuit parallel circuits extend to strip line center conductor the radius that defines of central point equally large.
Lower metal pole piece 3 and upper metal pole piece 3 as the ground plane of strip transmission line and the top and bottom of conducting shell, cover the surface of microwave ferrite simultaneously, make microwave ferrite magnetize together with permanent magnet.
In sum, the utility model microwave strip transmission line circulator, the 120 degree of knot of falling Y resonators have strip line microstrip circuit and the parallel circuits of Broadband Matching, realize Broadband Matching, the bandwidth of operation of broadening circulator; There is the strip line microstrip circuit that four take advantage of N/mono-wavelength Broadband Matching, to the working band Be very effective of broadening circulator to it; Solve the problem of the device size restriction of Broadband Matching; Low cost of manufacture, function is remarkable, ease in use.
It is to be understood that: the above is only preferred implementation of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. there is the microwave strip transmission line circulator of Broadband Matching, it is characterized in that: comprise shell and put lower permanent magnet in the inner successively, lower metal pole piece, lower microwave ferrite, strip line center conductor, upper microwave ferrite, upper metal pole piece, upper permanent magnet, described strip line center conductor comprises three knot of falling Y resonators in 120 degree of angles and three inductive type transmission lines, the described knot of falling Y resonator comprises the strip line microstrip circuit and parallel circuits with Broadband Matching, inductive type transmission line parallel connection coupling parallel circuits, described inductive type transmission line is the electric conductor that emitting shape is connected to circulator port respectively.
2. the microwave strip transmission line circulator with Broadband Matching according to claim 1, is characterized in that: the port end of described inductive type transmission line extends the electric conductor being connected to circulator port.
3. the microwave strip transmission line circulator with Broadband Matching according to claim 1, is characterized in that: described coupling parallel circuits is I shape or L shape.
4. the microwave strip transmission line circulator with Broadband Matching according to claim 1, is characterized in that: described in there is Broadband Matching strip line microstrip circuit electrical length equal 1/4th or 1/8th wavelength of circulator operating frequency.
5. the microwave strip transmission line circulator with Broadband Matching according to claim 1, is characterized in that: described strip line center conductor is close to mutually with the surface of lower microwave ferrite and upper microwave ferrite in a coaxial fashion.
6. the microwave strip transmission line circulator with Broadband Matching according to claim 1, it is characterized in that: described lower microwave ferrite and upper microwave ferrite are disc, its radius at least with coupling parallel circuits extend to strip line center conductor the radius that defines of central point equally large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520857669.2U CN205081200U (en) | 2015-10-30 | 2015-10-30 | Banded transmission line circulator of microwave with broadband matching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520857669.2U CN205081200U (en) | 2015-10-30 | 2015-10-30 | Banded transmission line circulator of microwave with broadband matching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081200U true CN205081200U (en) | 2016-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520857669.2U Expired - Fee Related CN205081200U (en) | 2015-10-30 | 2015-10-30 | Banded transmission line circulator of microwave with broadband matching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226358A (en) * | 2015-10-30 | 2016-01-06 | 世达普(苏州)通信设备有限公司 | There is the microwave strip transmission line circulator of Broadband Matching |
-
2015
- 2015-10-30 CN CN201520857669.2U patent/CN205081200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226358A (en) * | 2015-10-30 | 2016-01-06 | 世达普(苏州)通信设备有限公司 | There is the microwave strip transmission line circulator of Broadband Matching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160309 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |