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???
11/26/05 17:54
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#104207 - ZERO volt switching
Responding to: ???'s previous message
Reza Javan said:

Thanks Dear Steve for your valuable Point of view,
If i understand your aim correctly,I must use 10 seconds for 10 Steps,each second coded with one Step!ok?
Please let i ask another question,In your mind is there any danger for suply such switching(10-100 hz) for other device which using suply,Like TV


What I am saying is you can ONLY switch whole cycles of the supply. -there will be no interference if you have a purely resistive load.

If you try and turn the load on for less than 20msec, you won't be able to. You can only turn on the load for 20msec intervals (whole mains cycles.

Steve

List of 13 messages in thread
TopicAuthorDate
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      Re:PWM            01/01/70 00:00      
         ZERO volt switching            01/01/70 00:00      
         google fo...........            01/01/70 00:00      
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         AT89C2051 & MOC3061: Heater control            01/01/70 00:00      
            Thanks Jose,            01/01/70 00:00      
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