Sunday 20 July 2014

filter - My calculation for an RC circuit are not agreeing with the LTSpice simulation


I am doing calculations for an RC circuit to create a first order low pass filter. The input is a 5V peak periodic square wave with a 10kHz frequency. The resistor is 220 Ohms and the Capacitor is 100nF.


When I calculate it I get an output of 4.95V however on the simulation I only get 3.96V. What am I doing wrong?


Calculation for 5V peak 10kHz RC circuit


LTSpice simulation




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