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Re: How to (replace DPCO relays with simple transistros)


Giuliani
 

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Yes, I have already tested it. Here the schematic.
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The 4093 sinks only?a few microamperes.
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Bye.
Giuliano
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----- Original Message -----
Sent: Tuesday, July 26, 2005 9:13 PM
Subject: Re: [Electronics_101] Re: How to (replace DPCO relays with simple transistros)

Looking at that,? I was thinking of some variations on the circuit...

Suppose instead of a bipolar transistor driving a relay,? you used just a FET.?
Maybe some kind of a power FET.? The circuit could then be used for
controlling the power to a bunch of other stuff,? toggling on and off states,?
and "off" would only draw as much current as the 4093 needed while in a
static condition,? or not very much at all.

What do you guys think of that idea?








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