Electronic Simulation of NTC thermistor in Simetrix

This simulation will allow the SIMETRIX user to let operate a Vishay thermistor whose temperature is driven by an external voltage (via a thermal impedance RC which represents the response time of the thermistor in tha application ). This provides a dynamic voltage following an external temperature, defined by user. In the classical thermistor models, the temperature of application is the embedded TEMP variable, an ambient temperature which cannot be driven. For this model, the temperature is a dynamic voltage which can be produced by the application self. Such temperature can be the junction temperature of a power transistor or diodes.More generally, the heat source can be commected to a thermal impedance circuit (Cauer of Foste model), to provide for a temperature that has to be controlled. And this temperature can be used in a feed back loop and input at the TEMP input of the thermistor. If another thermistor is used (other R25 , or other Steinhart and hart coefficients), the coefficient values can be directly modified in the provided netlist (in appendix of this project).