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D. A. NESIC1,* , B. M. KOLUNDZIJA2
A new bandstop filter implemented as a cascade of trapezoidally shaped cells is presented. The proposed bandstop filter suppresses many undesired stopbands at higher frequencies. The cell design is specified by two variables and the initial filter is refined by optimizing the cell variables. The proposed design yields a robust structure suitable for fabrication. The proposed filter is fabricated and measured in a wide frequency range showing more efficient suppression than is reported in literature..
Microwave bandstop filter, Microstrip filter, Stopband suppression.
D. A. NESIC, B. M. KOLUNDZIJA, A trapezoidal microstrip bandstop filter with efficient suppression of undesired stopbands, Optoelectronics and Advanced Materials - Rapid Communications, 4, 4, April 2010, pp.601-603 (2010).
Submitted at: Feb. 23, 2010
Accepted at: April 11, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2025): Impact Factor = 0.5 - Journal Citation Reports (Clarivate Analytics, 2026)
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