[time-nuts] OT - Portable Digital 'scope

Azelio Boriani azelio.boriani at screen.it
Fri Feb 24 00:55:37 UTC 2012


Ops, yes, 2MHz is a little narrow. 20MHz is better...

On Fri, Feb 24, 2012 at 1:28 AM, Attila Kinali <attila at kinali.ch> wrote:

> On Thu, 23 Feb 2012 17:53:49 -0600
> David <davidwhess at gmail.com> wrote:
>
> > How do modern DSOs handle that?  I guess it would explain why I have
> > been told their front end calibration is so arduous.  If you lose the
> > calibration constants somehow, you might as well throw the
> > oscilloscope away.  Do any support user recalibration?
>
> There are lots of companies offering oscilloscope callibration.
> But it's damn expensive. For the 1Gsps oscilloscope we have at
> work, it costs around 2000 CHF IIRC. And those beasts have to be
> callibrated every two years (if we'd do qualification measurments,
> that would be even more often).
>
>                        Attila Kinali
>
> --
> Why does it take years to find the answers to
> the questions one should have asked long ago?
>
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