References
- Liang JG , Wang C , Kim NY . Compact and highly selective dual/tri-band BPFs using folded T-shaped stub-loaded resonators for WLAN and WiMAX applications. Microw Opt Technol Lett. 2016;58:312–319.10.1002/mop.v58.2
- Zhang Y , Zhao X-L . Compact tri-band bandpass filter with two closely frequency spaced passbands. J Electromagn Waves Appl. 2017;31:82–90.
- Li Q , Zhang YH , Feng X , et al . Tri-band filter with multiple transmission zeros and controllable bandwidths. Int J Microw Wirel Technol. 2016 Feb;8:9–13.10.1017/S1759078714001068
- Xu J-X , Gao L , Xiang J , et al . Compact tri-band bandpass filter with controllable frequencies. Microw Opt Technol Lett. 2016;58:573–577.10.1002/mop.29614
- Gao L , Zhang XY , Xue Q . Compact tri-band bandpass filter using novel eight-mode resonator for 5G WiFi application. IEEE Microw Wirel Compon Lett. 2015;25:660–662.10.1109/LMWC.2015.2421298
- Mo Y , Song K , Fan Y . Miniaturized triple-band bandpass filter using coupled lines and grounded stepped impedance resonators. IEEE Microw Wirel Compon Lett. 2014;24:333–335.10.1109/LMWC.2014.2310458
- Deng K , Zhang JZ , Wu B , et al . Design of microstrip tri-band bandpass filter using square ring loaded resonator. J Electromagn Waves Appl. 2014;28:2364–2373.
- Zhang S , Zhu L . Compact tri-band bandpass filter based on λ/4 resonators with U-folded coupled-line. IEEE Microw Wirel Compon Lett. 2013;23:258–260.10.1109/LMWC.2013.2255868
- Zhang S , Zhu L . Synthesis method for even-order symmetrical Chebyshev bandpass filters with alternative J/K inverters and /spl lambda//4 resonators. IEEE Trans Microw Theory Techniq. 2013;61:808–816.10.1109/TMTT.2012.2233748