[time-nuts] Low noise power supplies for time nuts circuitry

Bob Camp lists at rtty.us
Thu Nov 24 18:46:17 EST 2011


The Linear LT1764 is reasonably quiet / high current / low dropout. Don't count on getting all three at once.


On Nov 24, 2011, at 12:45 PM, Kevin Rosenberg <kevin at rosenberg.net> wrote:

>> 78xx Regulators are quite noisy. You can use them to filter the
>> noise of a cheap DC/DC converter, but i wouldnt use them feed
>> high precision electronics. There are a lot better designs these days.
> Hi Attila,
> Would you mind recommending some low-noise regulators? Perhaps for
> both low and high current applications? I'm looking for 12V to power 
> some OXCOs to be used a reference oscillator for a phase noise tester.
> On the higher current side, maybe to power a rubidium (or at least
> filter the switcher).
> Thanks very much,
> Kevin
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