[time-nuts] strange behavior of 53230A or is the light on, but nobody in?

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Feb 17 10:08:46 EST 2014


In message <FF58A3FC-3E6A-4B13-83E3-C1363A5568F5 at sfr.fr>, mike cook writes:

>So at that point I decided to measure the Internal TB against my
>reference. So I connected the Int. Ref. Out to channel 1, connected
>my PRS10 ref to Ext. Ref In, selected the EXT time base and found
>that the count was 10MHz dead on?????  I don't get that at all.

On all the HP kit I have, "ref out" is the frequency used by the instrument,
so if you feed it an external reference, it is just a copy of that external
reference.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.


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