"Rich Grise" wrote in message
...
Sorry, I thought "resonant frequency: was 1/(2*pi*SQRT(L*C))

For an LC circuit, yes. For a damped RLC (series or parallel), there's an
L/R or RC time constant which reduces it. This is called the
pseudofrequency.

Tim

--
Deep Friar: a very philosophical monk.
Website: http://webpages.charter.net/dawill/tmoranwms