we need to find coupling capacitance between two DGS while writing its equivalent circuit model of complete microwave circuit containing array of DGS. A single DGS is represented by parallel LC resonant circuit . So in-order to write lumped element equivalent circuit of aaray of DGS we need to write corresponding array of parallel LC circuit along with coupling capacitor placed in-between the LC resonator. wel known formula for LC resonator L = 5Fc/(3.14(F0^2-Fc^2)) and C = 250/C(3.14*F0)^2. Can any one guide me to find coupling capacitor between two DGS.
Progress In Electromagnetics Research Symposium, Hangzhou, China, March 24-28, 2008 33
I listened about it for Design of Wideband Filter Using Split-ring Resonator DGS.
You can take help from this resource
Dear Mr Prakash,
Since the the DGS structure is equivalent to a parallel resonance circuit and you want to get the value of the coupling capacitance between them, you can relay on the circuit analysis at frequency much smaller than the resonance frequency such that wL
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