[time-nuts] Anybody want a Thunderbolt power supply

Bob Camp kb8tq at n1k.org
Wed Aug 31 21:45:19 EDT 2016


Just get a linear supply from somebody you have heard of before and it will do fine. 
The key point is to avoid a switcher. There are still lots of linears out there. The designs
have not changed much for the last 40 years. They pretty much all do it the same way.


> On Aug 31, 2016, at 9:13 PM, Cube Central <cubecentral at gmail.com> wrote:
> With the talk of Thunderbolt power supplies and their qualities, and after
> seeing the post about the TAPR HPSDR LPU... I am beginning to wonder about
> the power source I have for mine, as the "Temp" field shown on the following
> link has always been funny.  It seems to track and keep the outputs up well
> enough, but I wonder if a better power supply is warranted.  I don't have
> the background to feel confident in creating one that plugs into Mains
> power, even with a kit from TAPR.   I've searched for similar issues (some
> time back) but didn't come up with an answer.  Maybe someone here might know
> what is going on?  Thanks in advance (link follows)
> http://i.imgur.com/ByXhFLS.png
> 	-Randal
> 		(at CubeCentral)
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