Subject:
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Re: 4.5v upgraded to 9v - ideas welcome.
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 9 Feb 2004 19:23:26 GMT
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Viewed:
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1600 times
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In lugnet.trains, Larry Pieniazek wrote:
> In lugnet.trains, Dean Husby wrote:
> > In lugnet.trains, Ralph Hempel wrote:
> > > > Hany little thing. I'm finding it VERY useful to bring 12 volt DCC down to 9
> > > > volt LEGO without losing torque.
> > >
> > > Just remember to limit the current through the Zener diode when dropping
> > > the voltage...
> > >
> > > If you have a 12V supply and try to put a 9V zener without a dropping
> > > resistor, it will simply burn out.
> > >
> > > A zener diode is really a clamping device. Better to use a standard
> > > 780x liear regulator...
> >
> > Well yes, that goes without saying. You need to protect your DCC function output
> > from exceeding it's milliamp limit. With the Zenner it just makes your
> > resistance required to be far less. As an example 50 ohms as apposed to 200
> > ohms.
>
> It's probably good to say it anyway... some of us on here don't know what end of
> the soldering iron to pick up (ouch! did you know soldering paste is NOT a good
> burn salve?)
Yes, I'm sure your right. I do plan on making up a page detailing my DCC related
mods. But it's still too early to put it up as I'm still learning myself. :)
Dean
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Message has 1 Reply:
 | | Re: 4.5v upgraded to 9v - ideas welcome.
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| Hi Larry and Dean Thanks for the details guys. I think I will have to read the information from the webpages suggested before I begin soldering anything. But it is interesting to hear that basically anything is possible and that a solution to most (...) (21 years ago, 9-Feb-04, to lugnet.trains)
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