Quote from: Foggy-Notion on January 04, 2010, 05:34:23 PM
Forgive me if this has already been discussed elsewhere in the forum?
If so we can delete this and someone can direct me to that thread.

I'd like to know what the largest Joule Thief ever made is, if any know,
And would like to clarify if there are any size limits, and if so, why?

Basically, can one can be made to handle 30 ampres of 30 milivolts?
Such as the out put of a small N-machine?

I have every reason in the world to assume that if a Joule Thief works
in minature, than it works period, it is after all, working on a principle.
It is but a modified transformer.

A Joule thief circuit has no size limits. But, you will be limited by the components used. The main limitations are:

1. voltage limit of coil winding insulation
2. the saturation point of the transformer
3. the transistor voltage and current handling limits.

Many transformers will handle 30 amp pulses, even the 3" toroids.

the real challenge would be to get energy from an earth battery not AAA's to obtain a greater output i can't cut to the chase myself being where doing so is absolutely dangerous
good luck