Joule Thief

[tysb3]

Thanks,  Robbie,
I think, I remember this circuit, it's was on second stage maybe?
I'll try to find it.

sb

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I find it :   http://www.overunity.com/index.php?topic=6123.2030

[kooler]

tysb3
yep .. right on it ..
it lowers the input ma's without hurting the output..
the only problem is that you have to use a pot..
on my scope the secret was it feed the transistor with two different feq's.. letting you increase the pot's resistance..
hope it helps with you double jt circuit

robbie

[jeanna]

Thanks for explaining that robbie and tsb3,

I guess that is why I never got it to work!
I never understood gadget's little trick.

jeanna

[The Observer]

I put together a Double Joule Thief.
It did work... I will have a report shortly.

The Observer

[FreeEnergy]

I put together a Double Joule Thief.
It did work... I will have a report shortly.

The Observer

sweet!
diagrams please