L. Roselli, F. Alimenti, V. Palazzari, F. Placentino
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Nonlinear harmonic-balance (HB) and finite difference time domain (FDTD) co-simulation of a low-cost 24GHz DRO
This paper deals with the computer simulation of a low-cost Dielectric Resonator Oscillator (DRO) for 24GHz applications. The proposed approach is based on two separate steps. First, a Finite Difference Time Domain (FDTD) analysis of the DR-cavity structure is performed. Then, the obtained scattering matrix is inserted into a Harmonic Balance (HB) simulator and both the oscillation frequency and the output power are computed. This procedure has been carried-out using commercial software only, in order to assess an industrial-like design methodology.