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Overunity Machines Forum



Joule Thief

Started by Pirate88179, November 20, 2008, 03:07:58 AM

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WilbyInebriated

#12740
February 23, 2010, 12:50:19 PM
to whom it may concern.

how the jt circuit works...
http://www.overunity.com/index.php?topic=6123.msg147530#msg147530

@jeanna
what ever became of the circular store bought led thingy? it was a silver/grey circle about 6" in diameter, had 24? leds in it and ran off 4 aa's. if i recall it had 4 semicircle pcb boards that the leds were mounted on, as well as some little surface mount resistors. i can't find your posts on it...
There is no news. There's the truth of the signal. What I see. And, there's the puppet theater...
the Parliament jesters foist on the somnambulant public.  - Mr. Universe

stprue

#12741
February 23, 2010, 01:11:35 PM
Quote from: sirmikey1 on February 23, 2010, 12:49:55 PM
For anyone interested, Mouser.com
61mm Toroid Core
Mouser #:    710-74270097    
Mfr. #:    74270097
Desc.:    EMI/RFI Suppressors & Ferrites Z=133ohms @ 100Mhz
RoHS:    RoHS Compliant
Availability   Ships Now   $5.86
http://mouser.com/ProductDetail/Wurth-Electronics/74270097/?qs=5twSNpOB8IC3x1MNWE5eDg%3d%3d

?

What is the permibility of the core?

zhak

#12743
February 23, 2010, 01:30:07 PM
Hello friends, waiting for your help! look photo
I bought a good light diode strip (12V, 3.5W), excellent shine, good angle of illumination.
From battery 12V shine excellent!
From my JT (3-13-240, 2n3055, 15om) result is very bad. :(

'll Show you need to modify!

stprue

#12744
February 23, 2010, 01:32:59 PM
Quote from: sirmikey1 on February 23, 2010, 01:14:11 PM
Click the link and then you'll see a link to spec sheets.

I didnt see perm. only mhz test ranges....oh well!
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