[sdiy] icl8038

[Dave Manley]

Aaron Lanterman wrote:
> ... it didn't work as well as the electronotes designs that jammed 
> current from the expo converter directly into weird pins in the 8038.

It's not so weird if you look at the block diagram and internals of the 
part in this app note:

http://www.intersil.com/data/FN/FN2864.pdf

The expo converter current sources provide the charge and discharge 
currents for the timing capacitor.

-Dave