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Folded waveguide H plane magic T

A technology of folding waveguides and waveguide segments, which is applied to waveguide devices, electrical components, connecting devices, etc., can solve problems such as limited application, waveguide magic T processing, assembly and integration difficulties, and achieve the effect of reducing processing errors

Inactive Publication Date: 2018-03-23
成都锐烽特科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the traditional waveguide magic T is very difficult to process, assemble and integrate, which limits its application. The purpose is to provide a folded waveguide H-surface magic T to solve the above problems

Method used

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  • Folded waveguide H plane magic T
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Embodiment 1

[0027] Such as figure 1 As shown, the surface magic T of the folded waveguide H of the present invention includes a coupling cavity 1, a port A2 connected to the coupling cavity 1, a port B3, a port C4, and a port D5; the port B3 and the port C4 are respectively located on the left and right sides of the port A2 , port D5 is set at the bottom of coupling cavity 1. The direction of the electric field at the center of the port A2 is a vertical direction, the direction of the electric field at the center of the port B3 is a vertical direction, the direction of the electric field at the center of the port C4 is a vertical direction, and the direction of the electric field at the center of the port D5 is a vertical direction. The direction of the electric field at the center is the horizontal direction; the ports A2, B3, C4 and D5 are rectangular waveguides. The included angle between the axial direction of the port B3 and the axial direction of the port A2 is 45 degrees; the incl...

Embodiment 2

[0029] Such as figure 2 As shown, compared with Embodiment 1, the only difference is that a waveguide segment 7 and a metal ridge 6 are provided between the coupling cavity 1 and the port A2. The included angle between the axial direction of port B3 and port C4 and the axial direction of port A2 is 90 degrees.

[0030] Each waveguide port is a BJ140 waveguide. In the full operating bandwidth of 11.9-18GHz, the reflection coefficient of each port is lower than -20dB, the isolation between output terminals is higher than 20dB, and the EH isolation is higher than 30dB.

[0031] Compared with this, if the reflection coefficient of each port is set to be lower than the requirement of -20dB, the bandwidth of the ordinary waveguide magic T is generally lower than 15%.

[0032] The folded waveguide H surface magic T of the present invention has a simple and compact structure, a relative working bandwidth as high as 41% (the full bandwidth of the rectangular waveguide), low processi...

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Abstract

The invention discloses a folded waveguide H surface magic T, including a coupling cavity, a port A, a port B, a port C and a port D connected to the coupling cavity; the port B and the port C are respectively located on the left and right sides of the port A, and the port D It is arranged at the bottom of the coupling cavity, and a multi-section waveguide section and a metal ridge at the bottom of the waveguide section are arranged between the ports B and C and the coupling cavity. The folded waveguide H-surface magic T of the present invention has a quasi-planar structure and is easy to integrate. It has a simple and compact structure, a relative operating bandwidth of up to 41%, low processing and debugging costs, good isolation between output terminals, and high amplitude and phase accuracy between output terminals. Features, can be widely used in antenna array, phased array radar, power distribution and synthesis and other fields.

Description

technical field [0001] The invention relates to a four-port waveguide network, in particular to a compact waveguide magic T with equal amplitude and equal phase. Background technique [0002] Waveguide Magic T is mainly used in high-power power splitter units, summers and high-power waveguide circulators. The traditional waveguide magic T has the axis of three ports in the horizontal plane, and the axis of the fourth port is vertically upward. The existing method of expanding the working bandwidth of the Magic Wave T is to set various metal bosses at the bottom of the intersection area of ​​its four ports. The setting of these bosses makes the magic waveguide T a three-dimensional structure, and its processing, assembly and integration are very difficult. At the same time, the working bandwidth of the traditional waveguide magic T is relatively narrow, which limits its application. Contents of the invention [0003] The technical problem to be solved by the present inven...

Claims

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Application Information

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IPC IPC(8): H01P5/20
CPCH01P5/20
Inventor 王清源邓杰
Owner 成都锐烽特科技有限公司
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