With a small amount of aditional parts, the circuit can be made to have a
variable duty cycle from near 0% to near 100%. If somebody want's to post my
schematic for this circuit (it's a really lousy bmp file because most people can
handle that) I will mail it to them. I don't have a web page of my own to post
it to. Aditionally, the out of this circuit can be connected to a FET (because
a 555 can't provide power) to give a variably pulsed dew heater control for very
little money. Again from close to 0% to close to 100%. This is continuous, not
stepped.

Phil Freeman

http://pw1.netcom.com/~acrohead/multiduty.html

Above is a link for a simple circuit to flash a telrad.

--
________________________________________
Bill Campbell
Module Product Engineering
Fast Static RAM Division
Motorola Networking & Computing Systems Group
Austin, Tx.
________________________________________

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