Sunday 12 February 2017

simulation - LTspice: Vary a resistor's value over time


I want to simulate the load regulation of a power-supply. I'm sure I remember being able to vary the value of a resistor over the course of a simulation in LTspice, but I can't remember how. Anyone?



Answer




Use the SpecialFunctions/Varistor.asy component with a time-varying voltage source


Screenshot


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