Jeff Liebermann wrote:

<snip>

> Anyway, do the numbers. No Mathcad model needed for this one. Just
> some measurements and arithmetic.

Hey Jeff,

Do you have the Mathcad 4.0 "Signal Processing Function Pack" or the
smaller "EE Electronic Handbook"? From the ad literature (way back)
the filter design tools appear to provide a level of interactivity
beyond the average (probably much better than the old tools that I
use).

Michael