Chip operating temperatures

[Dirk Wright]

On Wed, 25 Sep 1996, Mike Fahrion wrote:
> > 
> 
> Sorry if I didn't explain myself clearly enough.  This method is used 
> to extend the cold temp range of standard commercial parts (0 
> degrees C - which can be a real problem).  The original post refered 
> to problems getting industrial spec'ed parts for the application.  
> The heater circuit turns on power to a heating resistor (usually just 
> a few watts) below a threshold temp (say 0 degrees C).  Obviously it 
> doesn't stay on indefinately - usually a bit of hysteresis is called 
> for - say shut off the power at 5 degrees C.
> 

I guess if you installed the chips under the heated driver's seat, you 
could kill a couple of birds with one stone....


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Dirk Wright 					            wright at uspto.gov
"I speak for myself and not my employer."               1974 Porsche 914 2.0
"A real hifi glows in the dark and has horns."            1965 Goodman House
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