Re: [TCML] Mini Solid state coil?

["Ben Sneath" <bsneath@xxxxxxxxxxxxxxxx>]

> Hi everyone,
> 
> I just joined the list and am so far overwhelmed with the
> activity so   far.  Nice to see so many people enjoying
> themselves doing this!
> 
> So, I'd like to build a small (secondary around 2" or so)
> solid state   coil, that either runs off batteries or a
> power brick of some kind.  I   have been looking at this
> site a bit:
> 
> http://www.extremeelectronics.co.uk/coils/
> 
> I see they have a couple of small coils like what I want
> to build. I   see some circuit drawings on there, and some
> vague details.  Has   anyone built one of these tiny coils
> , and are there any better   descriptions on how to build
> one?  This will be my first real coil, so   you should
> expect a lot of questions coming up. :)
> 
> Thanks!
> Eric

Why not make a little spark gap driven tesla coil, sure they
may be a bit less efficient and 
alot louder, but they're dirt cheap and real easy to make...
(plus you don't have to find specialized driver chips for
it) also, you could build a 555 based flyback transformer
power 
supply to run it...


ben
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