PSpice User Guide

PSpice User Guide

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PSpice User Guide Parametric and temperature analysis October 2019 514 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. Use performance analysis to derive values from a series of simulator runs and plot these values versus a parameter that varies between the simulator runs. For this example, the derived values are the overshoot and the rise time versus the damping resistance of the filter. Entering the design The schematic representation for the RLC filter (RLCFILT.OPJ) is shown in Figure 11-1. This series of PSpice runs varies the value of resistor R1 from 0.5 to 1.5 ohms in 0.1 ohm steps. Since the time-constant of the circuit is about one second, perform a transient analysis of approximately 20 seconds. Create the circuit in Capture by placing a piecewise linear independent current source (IPWL from SOURCE.OLB). Set the current source properties as follows: AC = 1a T1 = 0s I1 = 0a T2 = 10ms I2 = 0a T3 = 10.1ms I3 = 1a Figure 11-1 Passive filter schematic.

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