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Author Topic: Smoothest, and best, store purchased Joule Thief I have seen yet.  (Read 24859 times)

Offline TinselKoala

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #15 on: October 16, 2013, 04:26:11 PM »
The black blob covers the chip.
There are more than two connections to the chip, I believe, two traces visible on the foil side connecting components and two solder blobs connecting wires.
The green resistor-like thing on the component side is an inductor.

I think this is essentially the same circuit as the one posted above with the ANA608 chip, which is tiny, barely room for the four leads. A smd version would easily fit under the blob.

Free Energy | searching for free energy and discussing free energy


Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #16 on: October 16, 2013, 04:26:37 PM »
Schematic?
I got sick yesterday so finishing up now but still not 100%.  I am sad but DALM circuit is no more as I reimaged my drive and that is what I lost. :(  All I have left is the video on YT but should be easy to reproduce if I need to.


Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #17 on: October 16, 2013, 04:38:16 PM »
Here we go:
D1 - IN5819
R1 - 20K 5%
R2 - 100K 5%
R3 - 5.6K 5%
C1 50pf 10%
Q1/Q2 S9013
L1/L2 150uH 10%

Offline TinselKoala

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #18 on: October 16, 2013, 06:41:22 PM »
1n5819(g)  is a common Schottky rectifier diode.




Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #19 on: October 16, 2013, 06:53:44 PM »
1n5819(g)  is a common Schottky rectifier diode.
and?

Free Energy | searching for free energy and discussing free energy

Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #19 on: October 16, 2013, 06:53:44 PM »
Sponsored links:




Offline TinselKoala

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #20 on: October 16, 2013, 09:58:20 PM »
And... here's the data sheet for it. Up there, I mean.



Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #21 on: October 16, 2013, 10:02:00 PM »
And... here's the data sheet for it. Up there, I mean.
Yep, I knew it was Schottky barrier diode but all parts listed in the parts list are what is on this board (Q1/Q2 were changed in the simulator because S9013 is not available).

Free Energy | searching for free energy and discussing free energy

Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #21 on: October 16, 2013, 10:02:00 PM »
Sponsored links:




Offline Pirate88179

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #22 on: October 17, 2013, 01:56:23 AM »
The black blob covers the chip.
There are more than two connections to the chip, I believe, two traces visible on the foil side connecting components and two solder blobs connecting wires.
The green resistor-like thing on the component side is an inductor.

I think this is essentially the same circuit as the one posted above with the ANA608 chip, which is tiny, barely room for the four leads. A smd version would easily fit under the blob.

Thanks TK.  I had no idea there was an IC that would run on 1/2 volt, which is about what these run down to before the lights go out.  If this chip will do this I should make a JT with one of my own coils.  I have stayed away from using chips because most of them need like 5 volts to run.  (555's, etc)  Why did they enclose the chip in that blob?

Bill

***EDIT***

LH  Thank you for pointing out the same thing.  I had no idea that green resistor looking thing was an inductor.  I have several of those in my resistor collection box from electronics that I have salvaged parts from.  I guess I need to place them in another bin.

Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #23 on: October 17, 2013, 03:18:29 AM »
Over the last 30 years whenever I opened up a China, or Japanese, cheap electronics item I almost always found that blob.  Back in the day (circa early to mid 80's) if it had a piezo speaker it always had that blob.  That blob always ended my exploration because there is nothing we can do with it. :(

What is ironic is that these chips can be ran on such a low voltage.  Look at my video where I show a square wave that makes the solar powered figures dance.  That is no battery and at less than half a volt.  Only discrete part on it is a 10v 470uf 105c Electrolytic capacitor.  The black blob has 4 connections.  2 for the solar panel (.5v) that has the cap in parallel with it and two going to the pancake coil.  It makes a wonderful square wave pulse that the time, and amplitude, is dependent upon the voltage it receives but it is always a clean square wave.

Offline TinselKoala

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #24 on: October 17, 2013, 05:04:58 AM »
Yep, the chip is a little low-power square-wave oscillator.
Which gives me an idea. A friend of mine gave me a bunch of these:
http://www.surplus-electronics-sales.com/index.php?main_page=product_info&cPath=38&products_id=589
They need a 5v supply but make a very nice accurate and clean square wave output.

Free Energy | searching for free energy and discussing free energy

Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #24 on: October 17, 2013, 05:04:58 AM »
Sponsored links:




Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #25 on: October 17, 2013, 05:12:03 AM »
Yep, the chip is a little low-power square-wave oscillator.
Which gives me an idea. A friend of mine gave me a bunch of these:
http://www.surplus-electronics-sales.com/index.php?main_page=product_info&cPath=38&products_id=589
They need a 5v supply but make a very nice accurate and clean square wave output.
Isn't that a sine wave oscillator?

Offline TinselKoala

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #26 on: October 17, 2013, 05:27:33 AM »
Isn't that a sine wave oscillator?
That one may be, sorry. I have the MTO version which is definitely a square wave. The distortions you see are caused by my casual hookup.


Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #27 on: October 17, 2013, 06:00:42 AM »
Hmmm, that is kinda nice even with the distortion.  Maybe use it in a pulse generator?

Where did you find the documentation for your version at?

Offline TinselKoala

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #28 on: October 17, 2013, 06:31:19 AM »
Here's the closest thing to a "data sheet" I could find.



Offline Legalizeshemp420

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Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #29 on: October 17, 2013, 06:47:08 AM »
btw, I just did a freq measurement on that circuit I showed for the sq. wave osc and it had a period of 180.162 ms.  That comes out to be about 5.5hz using my flashlight.  In direct sun I have no idea what this would be at.

Free Energy | searching for free energy and discussing free energy

Re: Smoothest, and best, store purchased Joule Thief I have seen yet.
« Reply #29 on: October 17, 2013, 06:47:08 AM »

 

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