Abstract
The time-domain simultaneous signal and noise analysis of mm-wave/THz devices (diode) modelled as a transmission line is considered. For such devices, stochastic telegrapher's equations of a transmission line are extracted assuming a quasi-transverse electromagnetic mode. Since the analytical solution for these equations does not exist, numerical analysis of such equations is presented here in millimetre-wave and terahertz frequencies. These equations are analysed with two different numerical methods in the time domain, namely the finite-integration technique and the Method of Moments. A semi-distributed model in the ADS commercial software is used to validate the numerical results. Non-linear effects in the model are introduced to simulate a Schottky diode. Using this non-linear model signal and noise behaviour in a Schottky diode is analysed, resulting in the simulation of the noise figure of the device.
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