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OverUnity Prize => Devices applied for the OU prize => Topic started by: samertje on January 10, 2012, 03:47:27 AM
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Hey everyone,
I'm kind of new here. I have something you might love. Still working on it.
http://www.youtube.com/watch?v=zF9fl4_eMiY
You guys know about gyrators?
Sam
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Hi Sam,
I would like to show you a simple circuit in which you could also use the same nice 50uA DC current meter you show in the video but this circuit would make it possible for your DC meter to indicate the relatively high frequency AC current in the single wire you designate in the schematic as C.
Here is the link to the circuit: http://www.w8ji.com/building_a_current_meter.htm
It includes a toroidal transformer, the core of which can be the types like you see here in these links:
http://lairdtech.thomasnet.com/item/ferrite-toroids/-36-00-mm-0-375-inch-to-1-417-inch-ferrite-toroids/t0634-00h?
or http://www.ferroxcube.com/prod/assets/fertor.htm and click on type TX221413.pdf (http://www.ferroxcube.com/prod/assets/tx221413.pdf) for instance.
This simple current meter (or indicator) makes it possible to show any current ranging from some kiloHertz to up the several MegaHertz range, you simple thread the crocodil clip of wire C through the toroidal core and watch the DC meter if there is any current flowing in or around wire C. The original article shows a calibration procedure but it is valid for the shown components; the lower limit of its frequency range with the 20 turns on Amidon T150-2 type core and with R1=100 Ohm values is around 1.8-2 MHz so you need to use higher number of turns like 30 - 40 and maybe R1=200-300 Ohm on a higher permeability core to bring the lower frequency limit in the some ten kiloHertz range, this is why I suggest the above core types. Any toroidal core with a permeability of some thousand and with an inner diameter of say 12-15mm and outside diameter of 20-25mm would be good of course. Even if you could not calibrate it (which would need some sophisticated measuring equipment) this simple circuit could nicely serve to indicate any AC current that passes through a piece of wire.
The reason I suggest this simple current meter is to help you and others here to have something which is appropiate for indicating AC current via a piece of wire because your nice Deprez type DC meter with its 50uA sensitivity is not able to follow the very rapid AC current via your wire C, this is why it shows near zero.
I think you have an oscillator (which may oscillate in the some hundred kHz or maybe the lower MHz range) and you connect a so called Avramenko plug (a one wire rectifier circuit) to the oscillator via the wire C. (if you goodle Avramenko plug, you can find good info on it)
Also I suggest reading on Dr Stiffler's circuits, either here on this forum
http://www.overunity.com/3457/selfrunning-cold-electricity-circuit-from-dr-stiffler/msg118617/#msg118617
or on his own site: http://67.76.235.52/SECExciter.htm (not always working 24h)
You will find much similarity to your circuit.
Regards, Gyula
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