Title :
A Novel Waveguide Bandpass Filters with an Asymmetrical Attenuation Pole
Author :
Park, Jun-Seok ; Ahn, Dal
Author_Institution :
Division of Information Technology Engineering, Soonchunhyang Univ., R. O. Korea. E-mail: jspark@ramrec.sch.ac.kr
Abstract :
A novel dominant mode waveguide bandpass filter with attenuation pole is proposed to obtain improved attenuation performance. An extra-shorted cavity resonator achieves the attenuation pole. The shored cavity is combined to ordinary waveguide bandpass filter by means of H-or E-plane T-junction. The attenuation pole can be placed lower or upper stopband. Experimental results are given to show the improved stopband characteristics.
Keywords :
Attenuation; Band pass filters; Capacitance; Cavity resonators; Equivalent circuits; Filtering theory; Frequency; Microwave filters; Resonator filters; Waveguide junctions;
Conference_Titel :
Microwave Conference, 2001. 31st European
Conference_Location :
London, England
DOI :
10.1109/EUMA.2001.338928
