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 Circuits and Diagrams
 Xee2vids JT inverter 3.7V Lithium
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kcarring
Moderator


Canada
1057 Posts

Posted - April 03 2012 :  04:14:33  Show Profile Send kcarring a Private Message  Reply with Quote
In this video I thought I'd try a trusty 2N3055 and make a pseudo inverter with the Xee2vids JT circuit, and it works pretty darn good. Much easier of course if you find a 12-0-12 or 10-0-10 transformer but I rewound the primary on a 120VAC-10VAC adapter (12:1) to have a centre tap. This one turned out to be a bit noisy, but not all do, for some reason. You can run a light like this about 50-75' away from the inverter on cheap wire. It runs about 36V (AC) peak to peak. With 10K dialed on the base, she draws about 35mA and still lights/oscillates, and with the pot dialed right up, about 500mA.

[uploading]


~~~~~~~~~~~~~
You wouldn't laugh at my igloo if you knew how cold my beer is!

Edited by - kcarring on April 03 2012 04:30:02

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TinMan
Advanced Member



4082 Posts

Posted - April 10 2012 :  05:35:01  Show Profile Send TinMan a Private Message  Reply with Quote
Cool vid kcarring
But as this is the circuits and diagram section-could i please have one lol,as i would like to give it a try but dont know what circuit it is?
Cheers


swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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kcarring
Moderator



Canada
1057 Posts

Posted - April 10 2012 :  15:17:59  Show Profile Send kcarring a Private Message  Reply with Quote
@Tm hey! This is pretty much a replication of the following video, the circuit is a joule thief modified for centre tap transformers. Another cool use of this is to do up a Royer oscillator instead of a joule thief, but I haven't done a video of that, but in essence that is a typical ZVS driver. In the second vid, you can see the same JT circuit with an additional inductor, for HV, I was able to drive a fluoro with that one, shown in the third vid.


Xee2vids Basic 12V inverter circuit


X332vids Jonnydavro Inductor Addition


My replication of the above jonnydavro variant


A pure sine wave inverter without using a CT transformer I came up with, but probably did not invent, per say; most things as basic as this have been done before:


~~~~~~~~~~~~~
You wouldn't laugh at my igloo if you knew how cold my beer is!
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