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TDA1543 filter capacitor calculation
TDA1543 filter capacitor calculation
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Old 18th February 2019, 08:15 PM   #11
MarcelvdG is offline MarcelvdG  Netherlands
diyAudio Member
Join Date: Mar 2003
Location: Haarlem, the Netherlands
Originally Posted by gaszto View Post
Sorry but I'm mechanical engineer, so I don't have a deep knowledge about the electronics, but I want to learn it
It may then be useful to know that LC filters, like the circuit arbraxalito posted, can be described with the same differential equations as mass-spring systems.

For an ideal linear capacitor, i = C dv/dt, where v is voltage, C capacitance, i current and t time.
For an ideal linear inductor, v = L di/dt, where L is inductance.
For an ideal linear resistor, v = R i, where R is resistance.

You know the mechanical equivalents better than I do.

Last edited by MarcelvdG; 18th February 2019 at 08:42 PM.
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