[time-nuts] [Fwd: Re: Thunderbolt PS]

Bruce Griffiths bruce.griffiths at xtra.co.nz
Fri Jun 13 20:03:00 EDT 2008


Matthew Smith wrote:
> Quoth Bill Smitherman at 2008-06-14 09:10...
>   
>> To Bruce and Group Concerning Power Supply  Flicker Noise on the
>> Thunderbolt  GPS system.
>> wouldn't it be prefered to use the old linear supply rather than the compact
>> switcher to minimize this RF and Flicker noise ???
>>     
>
> I was going to ask a similar question myself - I was thinking (if I get 
> one of these) of building a "HiFi quality" supply with traditional 
> linear regulators.  Maybe not as efficient as a switcher, but far less 
> noisy.
>
>   
If you want the lowest noise try using one of the super regulator 
designs, at least for the OCXO and DAC supplies.

Bruce



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