gEDA-user: challenge board ALMOST works

[John Coppens]

On Mon, 11 Sep 2006 13:58:02 -0400
DJ Delorie <dj at delorie.com> wrote:

> 
> > Check output amplitude - they'll be different in that case.
> 
> Nope, all signals are 0-5v, no more than 0.1v off the power rails.  I
> resoldered the vcc and gnd pins anyway, no change.
> 

0.1 V? Looks like way too much - I wouldn't accept more than 0.01V or less
at the consumption those chips have... Even 1 mV DC fall is really to
much!

If there _is_ a 0.1V drop, I'd check those power lines again.

John