A Reconfigurable UWB Bandpass Filters with Embedded Multi-Mode Resonators
A Reconfigurable UWB Bandpass Filters with Embedded Multi-Mode Resonators作者机构：Electronics Research Institute Giza Egypt Faculty of Engineering Ain Shams University Cairo Egypt Benha Faculty of Engineering Benha University Benha Egypt
出 版 物：《Open Journal of Antennas and Propagation》 (天线与传播（英文）)
年 卷 期：2018年第6卷第3期
页 面：43-59页
学科分类：080902[工学-电路与系统] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学]
主 题：UWB Bandpass Filter EBG MMR Reconfigurable Stubs
摘 要：The two proposed filters described here satisfy the Federal Communications Commission Ultra-wideband (FCC-UWB) specifications and also control the center frequency and bandwidth of the filters passband. These filters consist of two distinguishing parts, Electromagnetic bandgap (EBG)-embedded multiple- mode resonator (MMR) and interdigital coupled lines to realize high performance in the operation band with a compact size of 14.0 mm × 10.1 mm. The main advantage of the two proposed filters is that three different bands are tuned. The 1st tuned band is from 3.5 GHz to 11.4 GHz for the first filter and from 3.1 GHz to 11.6 GHz for the second proposed filter, respectively. The 2nd tuned band is from 3.5 GHz to 7.5 GHz for the first filter and from 3.1 GHz to 7.8 GHz for the second proposed filter, respectively. While the 3rd tuned band of the first proposed filter is from 3.5 GHz to 5.9 GHz and from 3.1 GHz to 5.8 GHz for the second proposed filter. The bandwidth of the filters can be changed by increasing the length of the outer open circuited stubs which are controlled by using switching matrix equipment (mini circuit, replacement of PIN diodes). To validate the design theory, a reconfigurable UWB bandpass filters (BPFs) with EBG Embedded MMR are designed, fabricated and measured. Good agreement is found between simulated and measured results.
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