[volt-nuts] Voltage to frequency

[Marvin E. Gozum]

Academically speaking, the Josephson voltage standard is frequency to
voltage conversion, but its still fairly involved to maintain.

http://www.ptb.de/cms/en/fachabteilungen/abt2/abt2-josephson.html

http://cdn.intechopen.com/pdfs/16237/InTech-Development_of_josephson_voltage_standards.pdf

JJ on a chip commercially.

http://www.hypres.com/products/voltage-standard/#Features%2FSpecifications


At 05:09 PM 7/29/2013, Charles P. Steinmetz wrote:
>Joe wrote:
>
> > Since it is relatively easy and inexpensive to have a very accurate
> > frequency standard at home, I wondered how difficult would it be
> > to use that standard to create an accurate voltage standard.
> >
> > *   *   *   Since this method apparently isn't being used,
> > there must be some reason. Can anyone enlighten me?
>
>As others have said, it is the [in]accuracy of V/F converters and
>the complexity of having to make two accurate modules instead of just one.

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