[time-nuts] Anybody want a Thunderbolt power supply?

[Mark Sims]

Yes,  at times I used a two stage linear regulator.  The first stage had excellent low freq rejection and the final stage too care of the high freq stuff.

Some times a full linear supply is not a viable option due to power dissipation/size issues or the utter convenience of using a switching wall wart.

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> Precisely the reason to avoid switchers entirely and use linear-only 
voltage regulators to power noise-sensitive circuits.  As I mentioned 
before, I had to use two stages of well-designed linear regulation to 
make any switching supply acceptable (at a time-nuts level) for use with 
a Tbolt.