WILLIAM KITCHEN wrote in a message to ROY J. TELLASON:

 MR>>> The TL494 is hard to kill.

 RJT>> What is that chip,  anyway?  Something application-specific?

 WK>> It's a PWM controller chip. It's an off-the-shelf TI part,
 WK>> though not overly  common. Most larger part suppliers will have 
 WK>> it.

 RJT> Any of you guys have a pointer to a data sheet on it?

 WK> http://www-s.ti.com/sc/ds/tl494.pdf

Thanks,  I'll have a look in a bit.  Figures it'd be in pdf format...   :-)

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