hi,

i have a small voltage about 1.3V. i need to amplify this voltage to light on a LED. is it 9013 can amplify the small voltage to light on a led? how should i construct the circuit?

thanks.

 

Search on Joule thief. There are many entries. Here are some:

http://www.evilmadscientist.com/article.php/joulethief

http://www.joulethief.com/kit.php

Finally, look at post 4 here:
http://forum.allaboutcircuits.com/showthread.php?t=12546&highlight=joule+thief

John