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Dual-mode elliptic-function bandpass filter using one single patch resonator without coupling gaps

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2 Author(s)
Lung-Hwa Hsieh ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Kai Chang

A novel dual-mode, compact, and simple elliptic-function bandpass filter structure without coupling gaps is proposed. This filter has insertion loss <1.5dB and return loss >10 dB within 2.3-2.375 GHz. Without coupling gaps between the feed lines and the patch resonator, the new filter can provide a low insertion loss and reduce uncertainty in fabrication

Published in:

Electronics Letters  (Volume:36 ,  Issue: 24 )