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Forums
Engineering
Electrical Engineering
Finding Neper Frequency in RLC & Filter Circuits
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[QUOTE="haxor489, post: 4044753, member: 435024"] I don't quite have a good understanding of what exactly the neper frequency is. I've seen it derived it from certain circuits before and it was never really clear what it was. In a series RLC circuit it was simple enough to find since we were given a nice second order differential from which to take to the S domain and solve for with a quadratic formula and then pull out the neper frequency from : -α +-√α[SUP]2[/SUP]-ω[SUB]o[/SUB][SUP]2[/SUP] α-neper frequency ω[SUB]o[/SUB]- resonant radian frequency In a filter such as (see attachment) how would one derive the neper frequency since it does not fall so neatly into a second order polynomial. I get s[SUP]2[/SUP]-[1/(L[SUB]1[/SUB](C[SUB]1[/SUB]+C[SUB]2[/SUB])] which doesn't fall so neatly into the quadratic formula nor has a term in the first order. Am i to assume this filter has no neper frequency? Or a Q factor? Thanks for your time [/QUOTE]
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Finding Neper Frequency in RLC & Filter Circuits
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