Pulsed DC Transformer with Embedded Magnets

[The Observer]

LT...

It was not a toroid...

It was a basic Audio transformer with 3 hook-ups in the primary... and 2 in the secondary.
The secondary is what gets hooked to the speaker usually.

When this rings... it bursts with energy.. as does any transformer.
3 Volt pulses on stepped down secondary... 80 volt pulses across 3 hook-ups on Primary !
I assume toroids even work better.

I want to study a doorbell transformer bought at the local hardware store.
Steps would be...

   1. Find it's resonant frequency.
   2. See if a Joule Thief can do this frequency.
       a. If not... then set up a 555 timer to pulse resonance.
   3. Capture the energy with a Voltage doubler (2 Diodes...2@ caps. then output taken from sum of Caps)
   4. Link Output from Voltage Doubler through 2nd JT  to resonate a second Doorbell Transformer.
   5. Repeat step 4 again if necessary.

Best Regards,
                     The Observer

[Pirate88179]

@ Lawrence:

"Bill, what is your opinion on the Gadgetmail device?" (Quote from Lawrence)


Well, from what I remember, it was a very, very efficient circuit...to the point where OU was suspected.  I do not think that was ever proven totally, to the best of my knowledge but, even the fact that it was close enough to suspect that possibility shows how efficient the circuit is.

Most JT circuits, even though they can do amazing things, are not that close to 100% efficient in my experience.

@ Observer:

Thank you.

Bill

[ltseung888]

More photos for verification

The setup shown can be reproduced since it uses the DC Power Supply.

No variable capacitor non inductor was available yet.

The "before LCR tuning" result still confirms overunity according to the scope readings.

This is the first of the many mini-workshop verifications to come.  You are welcome to replicate and improve.

The two scope comparison was one of the best tools for tuning.

[ltseung888]

The JT LED still on (though dim) after the switch was turned off.  That lasted at least 30 seconds.

There were no obvious capacitors.

Could it be the feedback? Or was it just capacitor action?

[Pirate88179]

Lawrence:

During that 30 seconds, did the led begin to blink at all?  Usually we see that with a basic JT circuit in that the pulses drop to a low enough frequency that the human eye can pick them up.  This usually happens at the very end of the battery cycle if the circuit is not re-tuned.

Bill