[sdiy] Newbie question: Diode ladders

[Antti Huovilainen]

On Thu, 15 Sep 2005, Harry Bissell Jr wrote:

> with an ohmmeter. The other point is that as the
> diode forwant drop stays reasonably constant over a
> really wide range of current, the equivalent
> resistance can vary by many orders of magnitude.

The exactly same thing happens in transistor ladder filter. The difference 
is that stages are buffered from each other so the filter behaves pretty 
close to RC (for small signals that is).

Antti

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