Title :
Cross-shaped UWB bandpass filter with sharp skirt and notched band
Author :
Wang, H. ; Kang, W. ; Miao, C. ; Wu, W.
Author_Institution :
Ministerial Key Lab. of JGMT, Nanjing Univ. of Sci. & Technol., Nanjing, China
Abstract :
A cross-shaped ultra-wideband (UWB) bandpass filter (BPF) with a notched band and sharp skirt is presented. The basic UWB BPF is a cross-shaped resonator which comprises two shunt quarter-wavelength short-circuited stubs. Two quarter-wavelength embedded open stubs are used to create a narrow notched band at 8.0 GHz. The sharp skirt is realised by using two step-impedance open-circuited lines. Good insertion/return losses are achieved as demonstrated in both simulation and experiment.
Keywords :
band-pass filters; resonators; ultra wideband technology; cross-shaped UWB bandpass filter; cross-shaped resonator; cross-shaped ultra-wideband bandpass filter; notched band; quarter-wavelength short-circuited stubs; sharp skirt; step-impedance open-circuited lines;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2011.3694
