joule thief

136

02:11:28

https://de.m.wikipedia.org/wiki/Joule_thief

published 7 years ago

BillyT

7 years ago

Try this, the polarity of your circuit turns the transistor off. http://everycircuit.com/circuit/4806902159769600

Tasnalia

7 years ago

@BillyT thank you

BillyT

7 years ago

In reality most transistors have a gain greater than 100, and the permeability of transformers is widely varied. Even in EC two circuits drawn exactly the same can have different characteristics. Compare. http://everycircuit.com/circuit/5096005535268864 And http://everycircuit.com/circuit/4787875991519232

LeButch

7 years ago

Add a capacitor to the output.

Tasnalia

7 years ago

@LeButch Another one? Useless.

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