On Fri, Apr 23, 2010 at 10:47 AM, M.L. <m@lkeng.net> wrote:

>
>
> On Fri, Apr 23, 2010 at 9:52 AM, Dario Greggio <adpm.to@inwind.it> wrote:
>
>> how do you like it?
>> :)
>>
>
> I hope you used a half-watt resistor for the 15k-ohm.
> I would have used a slow SOT-23 opamp and significantly larger resistors so
> that I don't waste 1/3 of a watt for no reason.
> --
> Martin K.
>

Also I don't really see how a 33 volt zener is going to allow your 78L05 to
work from 36v to 72v. The abs. max of a 78L05 input is 35v and you want it
to actually work at 39V.


-- 
Martin K.
-- 
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