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Design of SIW Resonator Using Epsilon Negative Transmission Line Analysis

Substrate Integrated Waveguide (SIW) open circuited resonator is analyzed using waveguide theory and epsilon negative transmission line theory. The resonant frequencies estimated using both the methods have been compared over a wide bandwidth. The SIW open circuited resonator is designed and the simulated and measured results are compared with the resonant frequencies predicted by both the theories.