[time-nuts] Looking for Floating Reference Chip

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Dec 17 23:06:29 UTC 2009


Richard W. Solomon wrote:
> I am looking for a Voltage Reference chip that will take
> a 12 volt source and give me a floating output (+ and -
> not referenced to ground). An 8 or 10 volt output would be
> perfect.
>
> Any thoughts on what I could use ?
>
> Thanks, Dick, W1KSZ
>
>    
A transformer isolated dc-dc converter based supply is the only way you 
can do this with a dc supply.

With an AC supply just use a transformer.

Alternatively its also possible to use something like a flyback 
technique to produce a floating transformer isolated reference.

Bruce





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