Sanghoon Park and Ki-Jin Kim and Kwang-Ho Ahn and Hyeon-Woo Lee, Wideband Tunable RF Filters for Channel Selection in Crowded Spectral Bands. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2013, vol. 82(10). 1342 - 1346 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/17182.