Title :
High Selectivity Ultra-Wideband (UWB) Mutimode Stepped-Impedance Resonators (SIRs) Bandpass Filter with Two-Layer Broadside-Coupled Structure
Author :
Kuo, Jen-Tsai ; Chiou, Yi-Chyun ; Cheng, Eisenhower
Author_Institution :
Dept. of Commun. Eng., Nat. Chiao-Tung Univ., Hsinchu
Abstract :
Ultra-wideband (UWB) bandpass filter with high selectivity response is contrived on the multimode characteristic of stepped-impedance resonators (SIRs). To achieve strong coupling requirement, two-layer broadside-coupled structure is employed. Using three triple-mode SIRs, quasi-Chebyshev filter with nine transmission poles is synthesized with a fractional bandwidth (BW) Delta = 110%. Measured results of experimental circuits show good agreement with simulated responses.
Keywords :
band-pass filters; resonator filters; resonators; ultra wideband technology; broadside-coupled structure; multimode stepped-impedance resonator; quasi-Chebyshev filter; selectivity response; transmission pole; ultra wideband bandpass filter; Band pass filters; Bandwidth; Circuit synthesis; Coplanar waveguides; Coupling circuits; Low pass filters; Microstrip filters; Resonance; Resonator filters; Ultra wideband technology; bandpass filter; broadside-coupled; multimode; stepped-impedance resonator (SIR); ultra-wideband (UWB);
Conference_Titel :
Microwave Conference, 2007. APMC 2007. Asia-Pacific
Conference_Location :
Bangkok
Print_ISBN :
978-1-4244-0748-4
Electronic_ISBN :
978-1-4244-0749-1
DOI :
10.1109/APMC.2007.4554818
