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Subject: Re: Need for negative voltage
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Date: 11/12/02 at 1:23 AM
Posted by: Niftydog
In Reply to: Need for negative voltage posted by Davood on 11/10/02 at 1:15 AM:
I have seen the 555 timer IC used for this purpose... sort off.... try this link and see if it helps.
I have seen a better circuit someplace, still working on finding it for you!
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