Compact multilayer dual-band bandpass filter design using stepped impedance resonators
Han Yunan Liang Peiyun Lin Yang Cheng Chunyue Yao Yuchen Jin Ming Dai Lin
The Journal of China Universities of Posts and Telecommunications . 2022, (5): 99 -104 .  DOI: 10.19682/j.cnki.1005-8885.2022.0016