Title :
A new type CPW-resonator bandpass filter with wide suppression characteristics of harmonic resonance responses
Author :
Noguchi, Yasumasa ; Wada, Kouji ; Nakamine, Takanori ; Okamoto, N.
Author_Institution :
Dept. of Electron. Eng., Kinki Univ., Osaka, Japan
Abstract :
In this paper, we present a newly developed bandpass filter (BPF) using a λg0/2 coplanar waveguide (CPW) resonator with the short ends and the input/output ports, which are constructed by the coupled shorted-short-line (C-SSL). The frequency characteristics of the input impedance of the filters are also specified. Next, a method for suppressing spurious resonance responses of the filters is discussed. Using the nodal analysis, the circuit simulation and the electromagnetic fields solver computation, the transmission characteristics of the spurious suppression over the wide frequency range of the CPW-BPF is specified. The spurious resonance responses of the CPW-BPF are suppressed more than -45.0 dB between 3.0 and 20.0 GHz
Keywords :
band-pass filters; coplanar waveguides; harmonics; resonator filters; waveguide filters; 3.0 to 20.0 GHz; CPW-BPF; circuit simulation; coplanar waveguide resonator bandpass filter; coupled shorted-short-line; electromagnetic field solver; frequency characteristics; harmonic resonance response suppression; input impedance; input/output ports; nodal analysis; short ends; spurious resonances; transmission characteristics; Band pass filters; Circuit analysis; Coplanar waveguides; Coupling circuits; Electromagnetic analysis; Electromagnetic waveguides; Frequency; Impedance; Resonance; Resonator filters;
Conference_Titel :
Signals, Systems, and Electronics, 1995. ISSSE '95, Proceedings., 1995 URSI International Symposium on
Conference_Location :
San Francisco
Print_ISBN :
0-7803-2516-8
DOI :
10.1109/ISSSE.1995.497977
