[sdiy] sniffing

[jhaible]

Or as one of our trainees used to ask:

"Now I have put 5 of these ICs [5 of 6 engineering samples] on that
breadboard,
and none of them worked. Shall I try the last one now, or should I check for
an error on the board first ??"

JH.


-----Ursprüngliche Nachricht-----
Von: harrybissell <harrybissell at prodigy.net>
An: Magnus Danielson <cfmd at swipnet.se>
Cc: <jhaible at debitel.net>; <Martin.Czech at Micronas.com>;
<grichter at asapnet.net>; <synth-diy at dropmix.xs4all.nl>
Gesendet: Freitag, 25. April 2003 07:04
Betreff: Re: [sdiy] sniffing


> Hej Magnus
>
> ain't that the truth... I've designed some circuits that have +/-100V
swings on a
> 741
> that way... as well as some that draw Kiloamps (worst case... of course)
:^P
>
> I have never 'built' any of these so if anyone likes I can send them the
schematic
> to try
> it. I'll even send you the first 741 to do it with (you buy the second
one...)
>
> H^) harry
>
> BTW  I've liked some of the old Burr Brown four quadrant multipliers. (i
forget
> the number
> this late at night) but they were lazer trimmed hybrids that cost a
bundle...
> sound good without
> trimming as well...
>
> Magnus Danielson wrote:
>
> > From: "jhaible" <jhaible at debitel.net>
> > Subject: Re: [sdiy] sniffing
> > Date: Fri, 25 Apr 2003 02:52:51 +0200
> >
> > > > Depends on your application, yes. For sniffing purposes, heat levels
isn't
> > > > your biggest problems if you come up to those levels, trust me!
> > >
> > > Oooops - right indeed! I completely forgot the context. (;->)
> >
> > There's a going joke that the simulation-heads simulate the hell out of
their
> > stuff, but forget to check the relevance of things... so things could
easilly
> > end up working when operating at a few MV or tossing a few 10s of W into
a
> > 0603 resistor. ;O)
> >
> > If you ever seen the broadband amps they use in EMC centers, then you
actually
> > start to wonder if it isn't a problem anyway ;o)
> >
> > Cheers,
> > Magnus
>
>