[time-nuts] Anybody want a Thunderbolt power supply

Gerhard Hoffmann dk4xp at arcor.de
Thu Sep 1 06:37:42 EDT 2016


Am 01.09.2016 um 07:44 schrieb Charles Steinmetz:
>
> The datasheet shows both NPN and PNP current multipliers.  Just 
> curious -- did you choose the NPN circuit for theoretical 
> considerations, and if so what was your reasoning -- the lower 
> open-loop output impedance?

More belly feeling. The PNP circuit looks like the very low drop regulators
that are always good for a suprise. I did not think deeply about it.
And NPNs are more common.

regards, Gerhard



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