[time-nuts] HP 58503A

Azelio Boriani azelio.boriani at screen.it
Fri Aug 3 15:21:05 UTC 2012


Here:
www.leap*second*.com/museum/*hp58503*a/097-58503-12-iss-1.pdf
you can find that there is the option 002 for the even second but they call
it PP2S...
Try to discover if your 58503 has this option 002.

On Fri, Aug 3, 2012 at 5:09 PM, Christoph Kopetzky <dekagoon at gmail.com>wrote:

> Hal Murray <hmurray at ...> writes:
>
>
> > We discussed this area a week or three ago.
> >
> > You don't need a digital scope to determine if there is a pulse.  A
> digital
> > scope may help to see the pulse and figure out what it looks like.
> >
> > With an analog scope, you can either look at the blinking light that
> tells
> > you it's triggering, or you can reduce the sweep speed until you can
> easily
> > see the (flat) line from the beam each time it triggers.
> >
> > I can see a 10 microsecond pulse with my old Tek 465.  It blinks and I
> > roughly remember what the picture looks like.  If I want to know a
> detail, I
> > have to look at the right spot and wait for the next pulse.
> >
>
>
> Hi Hal,
>
> with my analog scope (Hameg HM2005-2) I can trigger a low level voltage
> spike signal with  a p-p voltage of 30 mV and a frequency of 52,6 kHz.
> Could that be real?
> The signal level is very low, 30 mV...
>
> Chris
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>



More information about the Time-nuts_lists.febo.com mailing list