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2012-07-30
A Modified Hair-PIN Resonator for the Design of Compact Bandpass Filter with Suppression of Even Harmonics
By
Progress In Electromagnetics Research C, Vol. 31, 241-253, 2012
Abstract
A new design consideration is explored for a hair-pin resonator. A grounding via at the mid-point of the resonator acts as a perturbation to split the resonant frequencies. The via also suppresses even harmonics of the fundamental. The principle operation of the hair-pin resonator with a via is analyzed and verified by measurement. It is shown that such a hair-pin resonator can be made more compact using stepped impedance line. A compact 4-pole bandpass filter using the modified compact hair-pin resonator with a via is demonstrated. Simulation and measured results showed good agreement.
Citation
Ker Chia Lee Hieng Tiong Su Manas Kumar Haldar , "A Modified Hair-PIN Resonator for the Design of Compact Bandpass Filter with Suppression of Even Harmonics," Progress In Electromagnetics Research C, Vol. 31, 241-253, 2012.
doi:10.2528/PIERC12050808
http://www.jpier.org/PIERC/pier.php?paper=12050808
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