jayhanson wrote:

>>Bob:
>>
>>Finally, noise coming in from a mushy battery charging system (sounds
>>like what you are seeing there) is usually fixable by designing a
>>switching regulator front-end. Passive regulators are NOT very good at
>
>
> Thanks Bob, I will follow your advice.  The automotive environment is
> unbelievably hostile.  One can't believe the scope traces...
>
> Are you using TI simple switchers for your switching power supplies?

Yes. Aren't they awesome? Beats virgin birth, I think...<g>.

--Bob


>
> Jay
>
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>


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         Bob Axtell
PIC Hardware & Firmware Dev
   http://beam.to/baxtell
       1-520-219-2363

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