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Old 06-09-2011, 09:17 PM
Farmhand Farmhand is offline
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Join Date: Jun 2010
Location: Australia
Posts: 3,389
OK now it's working, at around 50 Khz i can get over 40 volts at the receiver. Light's LED's no probs. It even blew a 5mm LED. The cap I had on the AC was blocking the energy.

I'm still using the aluminium plate for a ground, just laying it on the concrete it isn't even clean, one side of the plate is still covered in plastic.

Anyway what I did was connect the primary negative to ground with the secondary on the transmitter, a "real" ground, then the receiver I use the metal plate layed on the concrete, the LED is the same brightness even if the receiver ground is connected to the transmitter ground or not, must be what he say's is an inductive relationship with the ground ( same thing that ruins batteries if they are left on the ground). And I removed the recovery battery. Neons light from the toroids no problem now.

With about 50 Ma input I can remotely light an LED from the receiver output at pretty much full brightness.

Under load with 1 x 5mm LED ( that's the only LED I have left ) the transmitter toroid reads 2.5 volts AC and the voltage across the LED is 2.94 volts. Which seems like good transfer considering they do not share a ground connection and 50 Ma @ 12 volts input..Care must be taken when using caps on the receiver output because the voltage keeps rising to about 50 volts with no load, that's how I blew the LED.

The effect is there resonant or not so I am very happy. seems to me they work like a step up and step down transformer connected but they are separate.

On second thought I think the coupling distance on the primaries is just fine. As Nikola says these things can be adjusted for our own personal requirements, the coupling distance the number of turns the thickness of the wire the input voltage and many other things could be changed in differing cominations to acheive different effects.

I can't wait to excite it at it's resonant frequency.

The number of winds in the secondary would really be dependant on the distance it needed to transmitt. I think Nikola talks about that.

After I have a sleep I'll make a video showing how I have it working. I never would have thought I could build a Magnifying Transmitter in three days.

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