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This paper proposes the analysis of equivalent circuit for microstrip bandpass filter (BPF) based on split ring resonator (SRR) with windowing structure at the groundplane. The BPF consists of 2 pairs of 3 cascaded SRRs connected with microstrip lines in which the −3dB bandwidth response is ranging from the frequency of 1.45GHz to 2.62GHz. The equivalent circuit comprises of lumped elements of inductor...
Filter is an electromagnetic device that is designed to select signals based on frequency response. Filter can be easily analyzed by the general theory of equivalent circuit which refers to a theoretical circuit that retains all of the electrical characteristics of a given circuit. Equivalent circuit simplifies calculation and facilitate the analysis of equivalent circuit. In this final project, it...
Based on composite right/left handed (CRLH) transmission lines (TLs) we propose a backward coupled-line coupler characterized by reduced size and enhanced bandwidth with respect to many other CRLH coupled-line couplers which have been introduced. This symmetric microstrip coupler with quadrature phase difference has also higher coupling-level and wider bandwidth than conventional coupled-line couplers...
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