At 02:52 PM 9/8/2011, Isaac Marino Bavaresco wrote:
>You could try the circuit attached to this message, it worked well for me.

That looks just like an early version of a zero-crossing detector I=20
used to use for AC lamp dimming (late '70s).  Minus the input=20
coupling capacitor, though.

dwayne

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Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax
www.trinity-electronics.com
Custom Electronics Design and Manufacturing

--=20
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