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bart bervoets
electronics forum addict
Joined: 12 Jun 2005
Posts: 61
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 Posted: Fri Jul 21, 2006 11:45 am Post subject:
12V DC to 9V DC
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Power resistor or voltage regulator?
Anyone a simple diagram?(if i need one)
Draw is about 1A but i would like to have some tolerance.
Bart Bervoets |
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bart bervoets
electronics forum addict
Joined: 12 Jun 2005
Posts: 61
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| Posted: Fri Jul 21, 2006 11:58 am Post subject:
Re: 12V DC to 9V DC
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Looks like i have to answer my own question again, but this is something the
entire group can use.
Some cool stuff there:
http://www.uoguelph.ca/~antoon/circ/circuits.htm
Bart Bervoets
"Bart Bervoets" <nekobe@online.be> wrote in message
news:44c0be10$0$28385$ba620e4c@news.skynet.be...
| Quote: | Power resistor or voltage regulator?
Anyone a simple diagram?(if i need one)
Draw is about 1A but i would like to have some tolerance.
Bart Bervoets
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me
electronics forum addict
Joined: 05 May 2005
Posts: 73
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| Posted: Fri Jul 21, 2006 1:22 pm Post subject:
Re: 12V DC to 9V DC
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"Bart Bervoets" <nekobe@online.be> wrote in
news:44c0c14b$0$1202$ba620e4c@news.skynet.be:
| Quote: | "Bart Bervoets" <nekobe@online.be> wrote in message
news:44c0be10$0$28385$ba620e4c@news.skynet.be...
Power resistor or voltage regulator?
Anyone a simple diagram?(if i need one)
Draw is about 1A but i would like to have some tolerance.
Looks like i have to answer my own question again, but this is
something the entire group can use.
Some cool stuff there:
http://www.uoguelph.ca/~antoon/circ/circuits.htm
Bart Bervoets
|
a pretty good site (but everyone here has probably seen it before).
A resistor would work if the current draw is fairly constant, but 3
terminal voltage regulator (LM7809 eg.) is better. circuit is regulator and
wire...
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