[time-nuts] Anybody want a Thunderbolt power supply?
holrum at hotmail.com
Wed Aug 31 16:45:07 EDT 2016
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.
> 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
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