Method and device for connecting circuit using substrate integrated waveguide

Abstract

The invention provides a method and device for using substrate integrated waveguides for being communicated with circuits. The two substrate integrated waveguides used for being connected with the two circuits are designed and are made to be communicated with the respective circuits; the two substrate integrated waveguides are aligned, and a metal board is used for compressing two circuit boards where the circuits are located. By the utilization of the method for using the substrate integrated waveguides for being communicated with the circuits, a good connection effect can be obtained, connection can be adjusted at any time according to needs so that connection can be more stable and reliable, and a microwave circuit is designed freely.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for connecting circuits by using a substrate integrated waveguide. Background technique [0002] Substrate integrated waveguide (SIW) is a new type of waveguide structure that can be integrated into a dielectric substrate. This structure arranges multiple metallized through holes at a certain interval in the dielectric substrate to become a substitute for the smooth side wall of the waveguide. The structure, thus forming a quasi-closed waveguide structure with the metal on the upper and lower surfaces, has been successfully used to design a variety of microwave structures, such as substrate integrated waveguide antennas, filters, duplexers, power splitters, etc. [0003] Microstrip circuit is a traditional transmission line structure in the microwave field, and its planar structure makes it widely used in microwave and millimeter wave circuits. Due to the distinction of circui...

AI Technical Summary

Problems solved by technology

As the frequency becomes higher, especially in the millimeter wave frequency band, the coaxial connector becomes very expensive and its connection performance is deteriorating. Further, when the frequency is higher than the W band (75-110GHz), there is no suitable commercial coaxial connector. Shaft joints, so the design requires the designer to integrate the design as much as possible to avoid the need for connection. If connection is necessary, it is usually necessary to transition to the traditional metal waveguide for connection.

The performance of the current connection technology is poor, and greatly limits the freedom of microwave circuit design, which brings great inconvenience to circuit simulation and testing

Images