Compact, Wide Stopband, Shielded Hybrid Filter Based on Quarter-Mode Substrate Integrated Waveguide and Microstrip Line Resonators - Zheng, Yan; Zhu, Yilong; Wang, Zhan; Dong, Yuandan (IEEE microwave and wireless components letters, 2021)
Keywords: Band-pass filters; Bandpass filters (BPFs); controllable transmission zeros (TZs); Couplings; Microstrip; microstrip resonator; Microstrip resonators; Q-factor; quarter-mode substrate integrated waveguide (QMSIW); Resonators; Substrates