> What's the matter with opamps?  They're handy.  They WORK.  :)

Yeah, but I don't have but one or two around, and I'm sure they're not the
ones everyone will recommend.  I almost never use 'em for anything, I very
rarely do analog stuff, and every project I look at that uses them specifies
different parts, hence I don't keep any around.

> Whatever.  Attached is a 3-pole lowpass active filter using about
> a dozen components that might do the trick.  It's flat out to
> about a hundred hertz and drops off to about -50db at a
> kilohertz.  That oughtta kill your harmonics.
>
> Hope this helps...

It all helps.  I'll be trying several things today, will publish the end
result.

Thanks!

Dale

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