A Cross-Shaped Stepped-Impedance Resonator Bandpass Filter with Wide Stopband

摘要：

A compact microstrip bandpass filter is developed using a cross-shaped stepped impedance resonator. The latitudinal stepped impedance resonator is designed to determine the first resonant mode of the filter. Two stepped impedance open-stubs are loaded at the center of latitudinal stepped impedance resonator and form a new longitudinal stepped impedance resonator, which produce the second resonant mode. Wide stopband is realized by using stepped impedance resonator. A transmission zero is obtained at the upper stopband and excellent selectivity is achieved. This filter shows the return loss of greater than 20dB in passband, and insertion loss below 20dB from 2.5GHZ to 7GHz.

作者: Xuehui Guan Fang Wen Chuanyun Wang Shan Jiang Haiwen Liu

作者单位: School of Information Engineering East China Jiao Tong University Nanchang 330013, China

会议类型: 国际会议

会议名称: 2010 International Conference on Microwave and Millimeter Wave Technology(2010国际微波与毫米波技术会议 ICMMT2010)

会议地点: 成都

会议语种:英文

页码: 574-576

在线出版日期: 2010-05-08（万方平台首次上网日期，不代表论文的发表时间）