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Waveguide ring coupler

A coupler and waveguide ring technology, which is applied in the field of broadband single-hole waveguide ring couplers, can solve the problems of narrow working bandwidth and achieve the effects of small insertion loss, convenient processing and assembly, and good standing wave at the port

Inactive Publication Date: 2013-04-24
成都赛纳赛德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A major disadvantage of this directional coupler is its narrow operating bandwidth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 , figure 2 , image 3 As shown, a waveguide ring coupler includes a main waveguide 1, a coupling hole 2 is opened on the side wall of the main waveguide 1, a coupling cavity 3 is connected to the position of the coupling hole 2 of the main waveguide 1, and the coupling cavity 3 A coupling ring 4 is arranged inside, and the coupling ring 4 is connected with a coaxial port 7, and the coaxial port 7 is arranged outside the coupling cavity 3; and the two ends of the main waveguide 1 are also connected with transition steps 5, so A standard waveguide 6 is also provided at the end of the transition step 5 away from the main waveguide 1 .

[0023] The axis of the coupling ring 4 is parallel to the axis of the main waveguide 1 .

[0024] The angle formed by the axis of the coupling ring 4 and the axis of the main waveguide 1 is greater than 5 degrees.

[0025] The cross-sectional shape of the main waveguide 1 is circular.

[0026] The cross-sectional shap...

Embodiment 2

[0034] Such as figure 1 , figure 2 , Figure 4 As shown, the difference between this embodiment and the first embodiment is that the coupling hole 2 is circular in shape. The angle between the coupling hole 2, the coupling cavity 3 and the coupling ring 4 and the axis direction of the main waveguide 1 is greater than 5 degrees.

Embodiment 3

[0036] Such as figure 1 , figure 2 , Figure 5 As shown, the difference between the present embodiment and the first embodiment is that the coupling cavity 3 is circular in shape. The angle between the coupling hole 2, the coupling cavity 3 and the coupling ring 4 and the axis direction of the main waveguide 1 is greater than 5 degrees.

[0037] The main difference between the above three schemes is whether the shape of the coupling cavity 3 is rectangular or circular, whether the shape of the coupling hole 2 is rectangular or circular, whether there is an angle between the coupling hole 2, the coupling cavity 3 and the coupling ring 4 and the main waveguide 1 . In the specific implementation process, the size of the coupling hole 2, the size and shape of the coupling cavity 3, the size of the main waveguide 1 relative to the standard waveguide 6, and the angles of the coupling cavity 3, the coupling hole 2, and the coupling ring 4 relative to the main waveguide 1 can be ...

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Abstract

The invention discloses a waveguide ring coupler which comprises a main waveguide part. A coupling hole is formed in the side wall of the main waveguide part. A coupling cavity is connected at the coupling hole of the main waveguide part. A coupling ring is arranged in the coupling cavity. The coupling ring is connected with a coaxial port which is arranged outside the coupling cavity. Two ends of the main waveguide part are connected with transition ladders. Standard waveguide parts are arranged at one ends, far away from the main waveguide part, of the transition ladders. The waveguide ring coupler has the advantages that a principal line is in a waveguide structure, a sub-line is in a coaxial mode, a coupling mechanism is achieved through a single circular hole, the waveguide ring coupler has the advantages that a circuit of the coupler is simple, structure is novel, machining and assembling are convenient, and debugging is of no need, inserting loss is small, port wave standing is good, reliability is high, and the waveguide ring coupler is especially suitable for high-power double-direction weak-coupling-degree measuring and indicating places.

Description

technical field [0001] The invention relates to a waveguide ring coupler, in particular to a broadband single-hole waveguide ring coupler. Background technique [0002] A hole is made in the wall of a waveguide to allow the signal to be coupled out of the waveguide, thus making it possible to make a directional coupler. The waveguide directional coupler commonly used at home and abroad usually adopts slot coupling, and one or more slots are opened on the common waveguide wall to couple the microwaves in two adjacent waveguides. A directional coupler with a corresponding power distribution ratio can be obtained by adjusting the size and position of the aperture. A major disadvantage of this directional coupler is its narrow operating bandwidth. Contents of the invention [0003] The object of the present invention is to provide a waveguide ring coupler capable of good coupling flatness and directivity within the full bandwidth of the waveguide. [0004] In order to achie...

Claims

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Application Information

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IPC IPC(8): H01P5/12
Inventor 彭安尽王清源莫坤山
Owner 成都赛纳赛德科技有限公司
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