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An efficient and accurate model accounting for the skin and proximity effect is proposed in this paper, and a novel parameter extraction method, based on empirical formulas and measured data, is given subsequently. Several standard coplanar waveguides (CPWs) of different lengths are fabricated in GaAs technology. The per-unit-length (p.u.l.) L, C and S-parameters are compared. Up to 67GHz, the proposed...
A 60GHz power amplifier (PA) is presented, using a 90-nm RF-CMOS process with 8 metal-layers. To the inductor provided by process, the Quality factor (Q value) is quite low and the model is inaccurate in millimeter-wave (MMW) design. Transmission lines (T-lines) can be modeled directly due to their inherent scalability in width and length, which is easy to realize accurate values of small reactance...
In this paper, neural network modeling techniques are presented for millimeter-wave modeling of silicon-based millimeter-wave coplanar waveguide. The neural network is trained to learn the mapping between the geometrical variables and S parameter of the coplanar waveguide. Once trained with the EM data, this model provides accurate and fast prediction of the measurement data of differential CPW with...
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