Bruce Cannon wrote:
>
> Don:
> When I feed it my square wave, at the resonant frequency I see some
> oscillation at each edge, but very low voltage, seems nothing to worry
> about.  I did notice that at one or two other frequencies I saw a spike of a
> half a volt or so at the edge, which I could eliminate with a series
> resistor.  Is this what you were referring to?

Now thump it and scope the result !