Re: Switching +/-12V from 6/0V
- From: James Arthur <dagmargoodboat@xxxxxxxxx>
- Date: Fri, 13 Jul 2007 20:56:43 -0700
On Jul 13, 11:52 am, James Arthur <dagmargoodb...@xxxxxxxxx> wrote:
On Jul 13, 7:51 am, George <gh424NO824S...@xxxxxxx> wrote:
But I'm confused by the 1k resistor at the upper left. It
looks like it just needlessly dumps current through the NPN.
That's kind of optional, but good practice, to turn the NPN securely
OFF.
Oops, make that "PNP," not NPN!
Cheers,
James Arthur
.
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- Re: Switching +/-12V from 6/0V
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