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This article presents a study on calculating the conversion efficiency of a microwave rectifying circuit by using finite difference time domain (FDTD) algorithm. To properly descript the lumped device in FDTD algorithm, the nonlinear lumped network (NL2N)‐FDTD method is further extended to model Schottky diode placed across multiple FDTD cells. As a result, a group of formulae are obtained and applied...
A rigorous finite-difference time-domain (FDTD) modeling method has been presented to analyze the Gunn diodes covering three grid cells in the axial direction. The numerical results of an active antenna are near to the measured results and better than the computed ones in previous studies. This approach is convenient to study millimeter and sub-millimeter wave circuits with nonlinear lumped elements...
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