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EM FULL-WAVE ANALYSIS AND TESTING OF NOVEL QUASI-ELLIPTIC MICROSTRIP FILTERS FOR ULTRA NARROWBAND FILTER DESIGN
Author(s) -
Z.M. Hejazi,
Maximilian C. Scardelletti,
F. W. Van Keuls,
A.A. Omar,
Ayman S. AlZayed
Publication year - 2008
Publication title -
electromagnetic waves
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 89
eISSN - 1559-8985
pISSN - 1070-4698
DOI - 10.2528/pier08082605
Subject(s) - narrowband , microstrip , filter (signal processing) , acoustics , elliptic filter , electronic engineering , physics , prototype filter , engineering , filter design , electrical engineering
—A new class of microstrip filter structures are designed, optimized, simulated and measured for ultra-narrowband performance essential to the wireless industry applications. More accurate model of the coupling coefficient is outlined and tested for narrowband filter design. Two sample filters are fabricated and measured to verify the simulations and prove the concept. The idea behind the new designs is based on minimizing the parasitic couplings within the resonators and the inter-resonator coupling of adjacent resonators. A reduction

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