基于FSIW的宽边耦合定向耦合器的设计

Directional Coupler Based on FSIW Broadside-coupling

现代无线通信技术的发展,对射频微波电路的研究与应用提出了平面化、小型化和集成化的要求。折叠衬底集成波导(FSIW)是近几年来出现的一种新型平面传输线,它兼有传统矩形波导(RW)和平面微带结构的双重特点,具有较好的实用价值,其理论研究和工程应用受到广泛关注。论文利用这种新型结构,设计了一个定向耦合器。

The rapid development of modern wireless-communication technology arouses some critical requirements on the RF/microwave devices and subsystems, such as low profile, miniaturization and high integration etc. Folded Substrate~ integrated waveguide（FSIW） is a novel transmission line proposed in recent years. It takes the advantages of rectangular waveguide and microstrip line, and has aroused a lot of attention to its theoretical analyses and engineering applications. In this work, this structure is used to design a directional coupler.