Bandpass Filter with Wide Harmonics Suppression using Different Resonator Structure and Open Stubs

A bandpass filter is introduced with the tapered line at input and output ports using the characteristic of different-bent resonator structures and open stub for harmonics suppression, more than 10f0 which is lower than 20 dB. The operating frequency is 2.45 GHz with two sharp skirts covered its pas...

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Bibliographic Details
Published in2019 34th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) pp. 1 - 4
Main Authors Teekha, C., Lerdwanittip, R., Namsang, A., Jitjing, P., Jantree, P.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2019
Subjects
Band-pass filters
different resonator
Harmonic analysis
Harmonic suppression
Harmonics suppression
Impedance
Microwave filters
open stub
Power harmonic filters
Resonant frequency
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Summary:A bandpass filter is introduced with the tapered line at input and output ports using the characteristic of different-bent resonator structures and open stub for harmonics suppression, more than 10f0 which is lower than 20 dB. The operating frequency is 2.45 GHz with two sharp skirts covered its passband. The proposed filter has the fractional bandwidth of 10% subject to design frequency for WLAN applications. The filter is enhanced by tuning other parameters. The insertion and reflection coefficients are perfected matching. Their simulated and experiment results are presented.
DOI:10.1109/ITC-CSCC.2019.8793410