That’s generally sufficient to see how the output ramps up and stabilizes. This is equivalent to turning on the power and recording the first 5ms of circuit operation. Open up the LTSpice Help Topics and search for “ Simulator Directives” if you want more detail.īy default, the transient simulation is set to stop after 5ms and to start all voltages at 0 (ie simulate a cold start). The others are: linearized small signal AC, DC sweep, noise, DC operating point, and small signal DC transfer function. For the work here, we want Transient Analysis. There are multiple types of simulations you can run. (check in the lower right hand portion of the circuit window) You can either edit the simulation commands via the Edit Simulation Dialog, or you can manually edit the LTSpice Directive text, they are one in the same. This is the same text string you see in the graphical view of the circuit. tran Dot Command contains the current transient simulation parameters. Any text string in the model that starts with a period is considered to be an LTSpice directive. Here you can edit the type of simulation you want to run and the parameters for that simulation.
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