Ahyup, DSO's can be problematic with aliasing and
outright "hiding" of stuff. On the other hand, they
are great with non-repetitive signals. And serious
headscratching stuff, where you run something once and
then stare at the screen for several minutes trying to
figure out what happened. I really want one for home,
it'd be a great addition to my 100MHz analog unit.
But a good DSO is like $2k and up, for bare bones
units.
One of these days I'll have to check out one of the PC
based scopes. When I have money to burn that is.
'till then, I just drag broken stuff to work.
Shawn
--- Stefan Trethan <stefan_trethan@...> wrote:
On Sat, 07 Oct 2006 18:12:55 +0200, AnaLog Services,
Inc.
<wireline@...> wrote:
Even with a wonderful Tek digital scope, looking
at irregular relatively
fast events like pulses from radiation detectors
can be problematic. In
fact, troubleshooting any oddball, unexpected
signal can be much harder
with a digital scope than an old analog unit.
I agree with that! Especially with very fast
irregular signals which i
can't quite figure out i'll go to the analog scope
to see "what's really
there". You'll also sometimes get sampling artefacts
with digital scopes
which you need to identify and make the necessary
changes, that will
sometimes confuse a novice.
But i wouldn't really want to work analog all the
time, the cursors and
easy setup of the digital scope are just too
comfortable to miss out on.
If i had to choose one scope... i'd probably cheat
and go for one that can
be switched between analog and digital modes ;-)
ST
Shawn Upton, KB1CKT
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