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Radial linear power divider/synthesizer

A radial line and combiner technology, applied in power amplifiers, waveguide devices, electrical components, etc., can solve the problem of not wide working bandwidth, and achieve the effect of widening the working bandwidth

Active Publication Date: 2012-12-19
BEIJING RES INST OF TELEMETRY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, structures in which the radial waveguide directly transitions to the rectangular waveguide often have a relatively low operating bandwidth

Method used

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  • Radial linear power divider/synthesizer
  • Radial linear power divider/synthesizer
  • Radial linear power divider/synthesizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0023] Take the Ka frequency band eight-path direction line power distribution / combiner as an example below to describe the present invention in detail:

[0024] The multi-path ladder-shaped waveguide has 8 paths. The inner and outer conductors of the coaxial probe are both copper, and the filling medium 2 of the coaxial probe is a glass insulator with a dielectric constant of 5.5, and its size is 0.9mm in radius and 1.8mm in height. The radius of the inner conductor 1 of the coaxial probe is 0.3mm, the height of the inner conductor 1 inserted into the radial waveguide cavity 3 is 1.6mm, and the radius of the outer sleeve 7 is 0.6mm, and the height is 1.1mm.

[0025] The radio frequency signal excites the main mode in the radial waveguide cavity 3 through the coaxial probe, and then divides into eight equal paths and transmits it to the first-order rectangular waveguide 4, and transitions to the WR-28 standard rectangular waveguide 5 through the step transformation of the wide...

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PUM

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Abstract

The invention discloses a radial linear power divider / synthesizer which comprises a coaxial probe, a radial waveguide cavity and a plurality of paths of stepped waveguides, wherein the coaxial probe is inserted into the central position of the radial waveguide cavity; the radial waveguide cavity is connected with the plurality of paths of stepped waveguides; each path of stepped waveguide is composed of at least one transitional rectangular waveguide and a standard rectangular waveguide; the standard rectangular waveguide is connected with the radial waveguide cavity through the transitional rectangular waveguide; and the transitional rectangular waveguide is wider than the standard rectangular waveguide. Two such radial linear power divider / synthesizers can be assembled in a back-to-back way to form a power amplifier. The radial linear power divider / synthesizer disclosed by the invention is broadened in the work bandwidth in a manner that at least one transitional rectangular waveguide is added.

Description

technical field [0001] The present invention relates to a radial line power distribution / combination network. Background technique [0002] Ultra-wideband high-power amplifiers are used more and more in the fields of navigation, precision guidance, radar, communication, and electronic countermeasures. The radial line power distribution / combiner can complete the synthesis of any number of solid-state power amplifier devices, and can also complete the power distribution from one radio frequency signal to any number of channels. The power amplifier includes a radial line power divider, a planar circuit and a radial line power combiner. The structure of the radial line power divider and the radial line power combiner is exactly the same, also known as the radial line power divider / combiner. Existing radial line power splitters / combiners include coaxial probes, radial waveguide cavities, and multiple standard rectangular waveguides. The coaxial probe is inserted into the cente...

Claims

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Application Information

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IPC IPC(8): H01P5/12H03F3/20
Inventor 张志刚祝大龙刘德喜
Owner BEIJING RES INST OF TELEMETRY
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