The following publications are possibly variants of this publication:
- Compact Tunable Bandpass Filter With Wide Tuning Range of Centre Frequency and Bandwidth Using Short Coupled LinesGang Zhang, Yanhui Xu, Xuedao Wang. access, 6:2962-2969, 2018. [doi]
- A fully tunable filter with wide range notch frequency tuning and bandwidth switchableYicheng Zhang, YongZhong Zhu, Zhihao Meng, Hongyan Lu, Kaiwei Zuo. ieiceee, 16(22):20190599, 2019. [doi]