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首页> 外文期刊>Microwave and optical technology letters >DESIGN OF ULTRAWIDEBAND MULTILAYER SLOT-COUPLED VERTICAL MICROSTRIP TRANSITIONS EMPLOYING NOVEL PATCH SHAPES
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DESIGN OF ULTRAWIDEBAND MULTILAYER SLOT-COUPLED VERTICAL MICROSTRIP TRANSITIONS EMPLOYING NOVEL PATCH SHAPES

机译：采用新型补丁形状的超宽带多层缝隙耦合垂直微带过渡设计

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摘要

Design of two different slot-coupled vertical microstrip-microstrip transitions for ultrawideband (UWB) multilayer microwave circuits are introduced. Transitions consist of two stacked substrates with common ground in the middle and two microstrip-feed-lines connected to microstrip patches on the top and bottom. The proposed transitions use broadside coupling between microstrip patches at the top and the bottom layers via a rectangular-shaped slot in the common ground plane (midlayer). The proposed patch shapes are trapezoidal and butterfly shapes, which are capable of achieving broadband characteristics for UWB operation. Extensive parametric studies are performed to address the effect of varying the transition parameters on the coupling value and the operational frequency bandwidth. The simulated results using two simulation programs with two different numerical techniques show that the proposed transitions have low transmission coefficient (less than 1.2 dB) and a high reflection coefficient (better than 16 dB) over the 3.1-10.6 GHz frequency range. Two transition prototypes are fabricated and then tested experimentally using Agilent E8364B PNA Network Analyzer. Experimental results agree well with the simulated ones. (C) 2015 Wiley Periodicals, Inc.
机译：介绍了超宽带（UWB）多层微波电路的两种不同的缝隙耦合垂直微带-微带过渡设计。过渡区包括两个堆叠的基板，中间有公共接地，两条微带馈线连接到顶部和底部的微带贴片。拟议的过渡措施是通过公用接地层（中间层）中的矩形缝隙，在顶层和底层的微带贴片之间使用宽边耦合。建议的贴片形状为梯形和蝶形，能够实现UWB操作的宽带特性。进行了广泛的参数研究，以解决改变过渡参数对耦合值和工作频率带宽的影响。使用具有两种不同数值技术的两个仿真程序进行的仿真结果表明，建议的过渡在3.1-10.6 GHz频率范围内具有较低的传输系数（小于1.2 dB）和较高的反射系数（小于16 dB）。制造两个过渡原型，然后使用Agilent E8364B PNA网络分析仪进行实验测试。实验结果与模拟结果吻合良好。 （C）2015年Wiley Periodicals，Inc.

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