A Miniaturized Ferrite Phase Shifter

Abstract

The invention relates to the field of a phase shifter and specifically relates to a small-sized ferrite phase shifter. Hybrid mode microstrip lines comprise a full packing waveguide transmission line, a matching microstrip line and a standard 50 ohm microstrip line that are orderly connected; the full packing waveguide transmission line is connected with a phase shift segment; lower surfaces of the full packing waveguide transmission line, the matching microstrip line and the standard 50 ohm microstrip line are fixedly connected with a bottom plate. Primary waveguide matching and primary linear conical microstrip matching of hybrid mode microstrip lines can be realized on the same substrate, and good matching between a dielectric waveguide form phase shift segment and the standard 500 ohm microstrip line can be finally realized; compared with a conventional rectangle waveguide and dielectric waveguide form ferrite phase shifter, the small-sized ferrite phase shifter is advantaged by compact structure, small size and light weight; due to adoption of the dielectric waveguide form of the phase shift segment, the small-sized ferrite phase shifter is smaller in insertion loss, higher in microwave tolerance power and higher in reliability than a conventional microstrip line form ferrite phase shifter.

Description

technical field [0001] The invention relates to the field of phase shifters, in particular to a miniaturized ferrite phase shifter. Background technique [0002] The phase shifter has the function of changing the phase of the microwave signal. It has been widely used in the field of phased array radar and other fields to realize the fast electronic scanning function of the beam. Ferrite phase shifters are widely used in passive phased array radars due to their advantages such as small insertion loss, high microwave withstand power, high reliability, and low cost. Driven by the development of current and future equipment dexterity, mobility, multi-function, and high performance, ferrite phase shifters are developing towards miniaturization, light weight, and integration, so as to provide the basis for equipment system component protection. On the one hand, the miniaturization of the ferrite phase shifter reduces the distance between antenna elements, which has a decisive imp...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a miniaturized ferrite phase shifter, which solves the problem that the traditional moment waveguide and dielectric waveguide ferrite phase shifter is bulky and difficult to integrate; the traditional microstrip line and strip line form ferrite phase shifter, the insertion loss is large, and the microwave withstand power is low

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