CN105098297A - Compact structure T-type orthogonal mode converter and waveguide duplexer composed of compact structure T-type orthogonal mode converter - Google Patents
Compact structure T-type orthogonal mode converter and waveguide duplexer composed of compact structure T-type orthogonal mode converter Download PDFInfo
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- CN105098297A CN105098297A CN201410215743.0A CN201410215743A CN105098297A CN 105098297 A CN105098297 A CN 105098297A CN 201410215743 A CN201410215743 A CN 201410215743A CN 105098297 A CN105098297 A CN 105098297A
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Abstract
The invention provides a compact structure T-type orthogonal mode converter and a waveguide duplexer composed of the compact structure T-type orthogonal mode converter. The compact structure T-type orthogonal mode converter comprises a common port, a horizontal polarized wave port and a vertical polarized wave port; and the horizontal polarized wave port and the vertical polarized wave port respectively excite mutually orthogonal fundamental mode signals transmitted by the common port. The horizontal polarized wave port and the vertical polarized wave port are respectively connected with a horizontal polarization duplexer and a vertical polarization duplexer to form the overall integrated waveguide duplexer. The T-type orthogonal mode converter has the advantages of simple structure and the small size, greatly reduces the engineering quantity, and then reduces cost. The waveguide duplexer composed of the compact structure T-type orthogonal mode converter can be applied to 6GHz, 10GHz, 13GHz, 15GHz, 18GHz, 23GHz, 26GHz, 28GHz, 32GHz, 38GHz and other frequency bands digital microwave communication outdoor systems, and also can be applied to other digital microwave communication systems.
Description
Technical field
The invention belongs to technical field of micro communication, particularly the T-shaped orthomode transducer of a kind of cramped construction and the high integrated waveguide duplexer that is made up of it.
Background technology
In commercial digital microwave communication component manufacturing process, in order to meet consumer demand also in the face of the keen competition in market, cost and quality are controlling difficulties always.Traditional orthomode transducer structured waveguide duplexer, because orthomode transducer structural volume is large, cause overall digital microwave communication system volume bigger than normal, and cost is high.In order to meet system compact demand and improve the market competitiveness, just need to develop the new product that volume is little, lightweight, integrated level is higher.
Summary of the invention
To the present invention be directed in current digital microwave telecommunication that passive microwave components volume is comparatively large, heavier-weight, cost are higher, assembling is complicated, the deficiency of device matching consistency difference, and the orthomode transducer of a kind of applicable digital microwave telecommunication provided and the integrated waveguide duplexer structural design scheme that is made up of it.
The T-shaped orthomode transducer of cramped construction comprises public port, horizontal polarized wave port and vertically polarized wave port, and horizontal polarized wave port surface is vertical with common port actinal surface, and vertically polarized wave port surface is parallel with horizontal polarized wave port surface and vertical with common port actinal surface.
Described T-shaped orthomode transducer has the circular waveguide of Single port short circuit or rectangular waveguide to form.
The mutually orthogonal fundamental signal that described T-shaped orthomode transducer horizontal polarized wave port, vertically polarized wave port encourage public port to transmit respectively.
Described T-shaped orthomode transducer vertically polarized wave port adopts single ridged waveguides-rectangular waveguide transition structure.
Described T-shaped orthomode transducer vertically polarized wave port and horizontal polarized wave interport isolation adjustable.
Described integrated waveguide duplexer, T-shaped orthomode transducer and perpendicular polarization, horizontal polarization duplexer are in same cavity body structure.
The invention has the beneficial effects as follows: the horizontal polarized wave port surface of orthomode transducer is vertical with common port actinal surface, vertically polarized wave port surface is parallel with horizontal polarized wave port surface and vertical with common port actinal surface, compact conformation, be applicable to integrated and processing, and the band of the orthomode transducer of this structure is wide, be applicable to frequency wide.The integral structure waveguide duplexer be made up of this T-shaped orthomode transducer, the system that ensure that connects the consistency with performance, and this diplexer structure is simple, and integrated level is high, is convenient to produce and install.
Accompanying drawing explanation
Fig. 1 is T-shaped orthomode transducer structural representation of the present invention;
Fig. 2 is T-shaped orthomode transducer return loss emulation schematic diagram of the present invention;
Fig. 3 is integrated waveguide duplexer structural representation of the present invention;
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
The T-shaped design of orthomode transducer cramped construction: as shown in Figure 1, the T-shaped orthomode transducer of cramped construction comprises public port, horizontal polarized wave port and vertically polarized wave port, horizontal polarized wave port surface is vertical with common port actinal surface, and vertically polarized wave port surface is parallel with horizontal polarized wave port surface and vertical with common port actinal surface; T-shaped orthomode transducer vertically polarized wave port adopts single ridged waveguides-rectangular waveguide transition structure; T-shaped orthomode transducer vertically polarized wave port and horizontal polarized wave interport isolation regulate by the screw of short-circuit end.
The Wide-Band Design of orthomode transducer: as shown in Figure 2, this example structure simulation curve, in 5.9-7GHz frequency range, the return loss of public port two orthogonal modess, all at below 19dB, has excellent broadband performance.
The waveguide duplexer integrated design that orthomode transducer is formed: as shown in Figure 3, T-shaped orthomode transducer and perpendicular polarization duplexer, horizontal polarization duplexer design in same cavity body structure, T-shaped orthomode transducer and not like-polarized duplexer do not need to be mechanically connected, solve the matching problem being connected in series between microwave device and bringing, performance gets a promotion.Compared to traditional Split type structure, this structure is simple, cost is low, integrated level is high, have good consistency.
Be appreciated that the content that the present invention is not limited to above-mentioned exemplary embodiment and accompanying drawing thereof and sets forth, in the invention scope that the claim of enclosing is set forth, amendment can be made to the present invention.
Claims (7)
1. the T-shaped orthomode transducer of cramped construction and the waveguide duplexer that is made up of it, it is characterized in that: the T-shaped orthomode transducer of cramped construction comprises public port, horizontal polarized wave port and vertically polarized wave port, horizontal polarized wave port surface is vertical with common port actinal surface, and vertically polarized wave port surface is parallel with horizontal polarized wave port surface and vertical with common port actinal surface.
2. the T-shaped orthomode transducer of cramped construction according to claim 1 and the waveguide duplexer that is made up of it, is characterized in that described T-shaped orthomode transducer has the circular waveguide of Single port short circuit or rectangular waveguide to form.
3. the T-shaped orthomode transducer of cramped construction according to claim 1 and 2 and the waveguide duplexer that is made up of it, is characterized in that described T-shaped orthomode transducer horizontal polarized wave port, mutually orthogonal fundamental signal that vertically polarized wave port encourages public port to transmit respectively.
4. the T-shaped orthomode transducer of cramped construction according to claim 1 or 2 or 3 and the waveguide duplexer be made up of it, is characterized in that described T-shaped orthomode transducer vertically polarized wave port adopts single ridged waveguides-rectangular waveguide transition structure.
5. the T-shaped orthomode transducer of cramped construction according to claim 1 or 2 or 3 and the waveguide duplexer be made up of it, it is characterized in that described T-shaped orthomode transducer vertically polarized wave port and horizontal polarized wave interport isolation adjustable by adjustment screw.
6. the T-shaped orthomode transducer of cramped construction according to claim 1 and the waveguide duplexer that is made up of it, is characterized in that described T-shaped orthomode transducer and orthogonal polarization, horizontal polarization duplexer are in same cavity body structure.
7. the T-shaped orthomode transducer of cramped construction according to claim 1 and the waveguide duplexer that is made up of it,, it is characterized in that described duplexer is the digital microwave telecommunication duplexer of following any frequency range: 6GHz, 10GHz, 13GHz, 15GHz, 18GHz, 23GHz, 26GHz, 28GHz, 32GHz, 38GHz.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106450638A (en) * | 2016-10-17 | 2017-02-22 | 中国电子科技集团公司第五十四研究所 | Compact orthomode coupler |
CN107086344A (en) * | 2017-01-20 | 2017-08-22 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | Coupling slot orthomode coupler |
CN107275727A (en) * | 2017-06-28 | 2017-10-20 | 北京理工大学 | A kind of 340GHz is based on film-type device quasi-optical broadband duplexer |
CN107302123A (en) * | 2017-06-28 | 2017-10-27 | 北京理工大学 | A kind of 340GHz is based on film-type device broadband duplexer |
CN108110386A (en) * | 2017-09-27 | 2018-06-01 | 波达通信设备(广州)有限公司 | Bidirectional output waveguide duplexer |
CN114124243A (en) * | 2022-01-27 | 2022-03-01 | 电子科技大学 | High-isolation terahertz orthogonal mode isolation duplexer easy to machine |
-
2014
- 2014-05-21 CN CN201410215743.0A patent/CN105098297A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106450638A (en) * | 2016-10-17 | 2017-02-22 | 中国电子科技集团公司第五十四研究所 | Compact orthomode coupler |
CN106450638B (en) * | 2016-10-17 | 2021-08-31 | 中国电子科技集团公司第五十四研究所 | Compact orthogonal mode coupler |
CN107086344A (en) * | 2017-01-20 | 2017-08-22 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | Coupling slot orthomode coupler |
CN107275727A (en) * | 2017-06-28 | 2017-10-20 | 北京理工大学 | A kind of 340GHz is based on film-type device quasi-optical broadband duplexer |
CN107302123A (en) * | 2017-06-28 | 2017-10-27 | 北京理工大学 | A kind of 340GHz is based on film-type device broadband duplexer |
CN107275727B (en) * | 2017-06-28 | 2019-10-22 | 北京理工大学 | A kind of 340GHz is based on film-type device quasi-optical broadband duplexer |
CN107302123B (en) * | 2017-06-28 | 2019-10-22 | 北京理工大学 | A kind of 340GHz is based on film-type device broadband duplexer |
CN108110386A (en) * | 2017-09-27 | 2018-06-01 | 波达通信设备(广州)有限公司 | Bidirectional output waveguide duplexer |
CN114124243A (en) * | 2022-01-27 | 2022-03-01 | 电子科技大学 | High-isolation terahertz orthogonal mode isolation duplexer easy to machine |
CN114124243B (en) * | 2022-01-27 | 2022-05-03 | 电子科技大学 | High-isolation terahertz orthogonal mode isolation duplexer easy to machine |
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