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Compact microstrip dual-band bandpass filter with quarter-wavelength stepped impedance resonators
Zhang S.; Zhu L.
Source Publication2013 IEEE International Wireless Symposium, IWS 2013
AbstractIn this paper, a compact microstrip dual-band Chebyshev bandpass filter based on λ/4 stepped impedance resonators is designed, which are serially coupled by the alternative J and K inverters. Appropriate impedances and lengths of λ/4 stepped impedance resonators are synthesized based on the values of chosen dual-band K inverter. The dual-band coupled-line is then synthesized to render required J couplings at two central frequencies. Finally, a 4-order Chebyshev dual-band bandpass filter centering at 1.8 and 5.8 GHz with respective fractional bandwidths of 15.0% and 8.0% is designed and fabricated, and measured results show consistent match with the theoretical ones. © 2013 IEEE.
Keywordmicrostrip dual-band bandpass filter quarter-wavelength resonator stepped impedance resonator
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Document TypeConference paper
AffiliationNanyang Technological University
Recommended Citation
GB/T 7714
Zhang S.,Zhu L.. Compact microstrip dual-band bandpass filter with quarter-wavelength stepped impedance resonators[C],2013.
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