Tri-band bandpass filter based on coupled stepped impedance resonators
张旭东 张洪欣 贺鹏飞
Tri-band bandpass filter based on coupled stepped impedance resonators
Zhang Xudong, Zhang Hongxin, He Pengfei
Acta Metallurgica Sinica(English letters) . 2015, (6): 57 -60 .  DOI: 10.1016/S1005-8885(15)60694-X