滤波器文献

作者:Menzel, Wolfgang   
题目:Broadband Filter Circuits using an Extended Suspended Substrate Transmission Line Configuration
出版社:ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4135492

最近研究新滤波器,需要参考这篇文献.希望能上IEEE朋友能帮忙下载！谢谢！