[volt-nuts] Seeking NIST DSS-5 AC Reference info

Will willvolts at gmail.com
Wed Apr 24 05:12:44 EDT 2013

As far as I remember the box is just a simple D/A converter creating a
stepped approximation of sine wave. The DC level of each step is
syncronously (GPIB) measured by a 3458A and the rms value is
calculated from that data by a special software. The system relies on
the speed and DC accurary of the 3458A, the source itself is not
accurate or stable.

2013/4/23, cfo <xnews3 at luna.dyndns.dk>:
> Gents
> This message was originally posted in time-nuts , due to me goofing up.
> Well ....
> I have just bought a NIST DSS5 unit on the 'Bay , # 190818033819
> It's supposed to be a 0..7v AC reference standard , but i have no info
> about the unit or more important the GPIB command set.
> I don't expect NIST to keep the commandset (manuals) a secret , but
> doesn't have any contacts at NIST.
> I would really appreciate if anyone on the list could help me , in getting
> a NIST contact. Otherwise i suppose i have bought an expensive (EU
> shipping) box of components.
> I have found a bit of info here http://tiny.cc/tvzzvw
> TIA CFO , Denmark
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