RLC Circuit - Applications - Pulse Discharge Circuit

Pulse Discharge Circuit

An overdamped series RLC circuit can be used as a pulse discharge circuit. Often it is useful to know the values of components that could be used to produce a waveform this is described by the form:

Such a circuit could consist of an energy storage capacitor, a load in the form of a resistance, some circuit inductance and a switch - all in series. The initial conditions are that the capacitor is at voltage and there is no current flowing in the inductor. If the inductance is known, then the remaining parameters are given by the following - capacitance:

Resistance (total of circuit and load):

Initial terminal voltage of capacitor:

Rearranging for the case where R is known - Capacitance:

Inductance (total of circuit and load):

Initial terminal voltage of capacitor:

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