Hello
I want to ligth a triack. what I want to do is to sample the phase input an give a short pulse avry half cycle to ligth the triack in different positions
does anyone have something ready?
Pete Smith
Joined: 17 Sep 2003 Posts: 55 Location: Chester, UK
Re: ligth a triack
Posted: Thu Feb 12, 2004 6:08 am
chava wrote:
Hello
I want to ligth a triack. what I want to do is to sample the phase input an give a short pulse avry half cycle to ligth the triack in different positions
does anyone have something ready?
Is this for a lamp dimming application?
If so, all you need to do is get some form of zero crossing detector, and start a timer/delay running when you have a zero crossing transition. When the timer/delay is finished, you can turn the triac on.
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