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Compact coplanar waveguide bandpass filter using loaded split‐ring resonator
Author(s) -
Wang Shuxin,
Liu Haiwen
Publication year - 2009
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.24396
Subject(s) - coplanar waveguide , resonator , microwave , band pass filter , filter (signal processing) , split ring resonator , waveguide filter , equivalent circuit , elliptic filter , electronic engineering , optoelectronics , physics , materials science , engineering , prototype filter , electrical engineering , low pass filter , telecommunications , voltage
A compact coplanar waveguide (CPW) band‐pass filter using a cross‐coupled λ/4 resonator with loaded split‐ring resonators (SRRs) is introduced in this letter. The proposed filter exhibits a quasi‐elliptic function response and its circuit size occupies only 12 × 11.8 mm 2 (≈0.21λ g × 0.20λ g ). Also, a simple equivalent circuit model is set up. A good agreement between simulations and measurements verify the proposed filter and the validity of design methodology. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1565–1568, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24396
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