E-plane waveguide directional coupler and sixteen-way waveguide power splitter using the coupler

Abstract

The invention belongs to the technical field of microwave communication, and in particular relates to an E-plane waveguide directional coupler and a sixteen-way waveguide power divider using the coupler. The coupler of the present invention includes a first rectangular waveguide and a second rectangular waveguide with an E-plane coupling structure, and the second rectangular waveguide is provided with a stepped section for realizing the broadband phase compensation function, thereby ensuring the output ports of the large power splitter power divider. Low volatility. The sixteen-way waveguide power divider using the coupler includes two sets of waveguide E-plane power dividers; the last stage of the E-T branch waveguide and the first three stages of the power divider network of the first waveguide E-plane power divider Set the first E-plane waveguide directional coupler between them, and set the second E-plane waveguide directional coupler between the two sets of waveguide E-plane power dividers, so as to effectively improve the amplitude consistency and phase consistency of the sixteen-way power divider , and simultaneously solve the problem of large fluctuations in the amplitude of the power divider with a large power ratio and the design requirements for realizing broadband.

Description

technical field [0001] The invention belongs to the technical field of microwave communication, and in particular relates to an E-plane waveguide directional coupler and a sixteen-channel waveguide power splitter using the coupler. Background technique [0002] The power divider is an antenna-feeding device widely used in modern communications. The traditional power dividers include Wilkinson, E-surface waveguide type, H-surface waveguide type and so on. The Wilkinson power divider has a low profile and has the advantage of miniaturization, but the low power capacity and large dielectric loss of the microstrip transmission line limit its application in high power requirements. Waveguide power dividers are favored for their excellent characteristics such as low loss, high power capacity and wide transmission bandwidth, and are widely used in high-power systems such as radar and satellite. In the waveguide power splitter: the H-plane power splitter also has a large lateral si...

AI Technical Summary

Problems solved by technology

However, the traditional E-plane power splitter has the problems of narrow bandwidth, large amplitude fluctuation, and poor phase consistency of each port. The problem is particularly prominent

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