Compact Microstrip Low-Pass Filter with Wide Stopband

• Main Authors: Yao-Pin Wang, 王耀彬
• Other Authors: Shyh-Jong Chung
• Format: Others
• Language: zh-TW
• Online Access: http://ndltd.ncl.edu.tw/handle/8ven75

碩士 === 國立交通大學 === 電信工程系所 === 96 === In this study, we propose a low-pass filter structure based on stepped-impedance low-pass filter, and a distributed parallel resonance circuit is used. The circuit has a section of high-impedance transmission line, that cascades another one with low-impedance, shunt with a coupled capacitor connecting with the terminals of two low-impedance lines. We can cancel the zero and the pole in band by using the variance of filter parameter.