RLC Circuits

RLC Series Circuit

The differential equation for this circuit is

where

The damping parameter ξ is

The system is over damped for ξ > 1 and under damped for ξ < 1.

The oscilloscope trace below shows the response of an under-damped circuit to a square wave input

R-LC Circuit

The differential equation for this circuit is

where

The damping parameter ξ is

The system is over damped for ξ > 1 and under damped for ξ < 1.

The oscilloscope image below shows the response of an under-damped circuit to a square wave input.


Maintained by John Loomis, last updated 19 February 2009