Bandpass Filters Utilizing Simplified Left-handed Transmission Line Structure

摘要：

In This paper,we propose a new approach to design bandpass filter based on a simplified left-handed transmission line (TL) structure.We demonstrate the filter design by two examples,an ultra-wideband (UWB) bandpass filter with a fractional bandwidth (FBW) of about 110％ andA narrow-band bandpass filter centered at 1.8 GHz covering the Digital Communication System (DCS) band. The main design procedure is to define and realize the parameters of the capacitors and the inductorsInthe transmission-line unit cell. This novel fdter design method describedIn This paper can be used to achieve any optionally designated passband conveniently. The design has been successfully realizedIntheory,and verified by both full-wave electromagnetic simulation and microwave circuit simulation.The UWB bandpass filter is also fabricated and measured to demonstrate the performance,which agrees well with the theoretical analysis and simulation.

关键词： bandpass filter (BPF) left-handed transmission line ultra-wideband (UWB).

作者: W.J.Han Y.J.Feng

作者单位: Department of Electronic Science and Engineering,Nanjing University,Nanjing,210093,China

会议类型: 国际会议

会议名称: 2008 International Conference on Microwave and Millimeter Wave Technology(2008国际微波毫米波技术会议)

会议地点: 南京

会议语种:英文

页码: 62-65

在线出版日期: 2008-04-21（万方平台首次上网日期，不代表论文的发表时间）