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Overunity Machines Forum



Otto`s replication of Steven Mark`s TPU

Started by otto, April 17, 2007, 02:32:36 AM

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MeggerMan

#310
June 08, 2007, 07:45:00 PM
Hi Roberto,
I have to agree with you there, poor choice of mosfet driver:
ICL7667 made by Intersil, pdf document states 1999, so its about 8 years old. Around 200-300mA drive current.
http://www.farnell.com/datasheets/63698.pdf

This one is a bit quicker but not less than 10ns
http://focus.ti.com/lit/ds/symlink/ucc37324.pdf

Here we go: DEIC420
http://www.ixysrf.com/pdf/driver_ICs/DEIC420.pdf
Ultrafast, less than 4ns rise time into 2nF load with 20A max. current
Max freq. is 45MHz
BUT, and this is a big but, they cost a whopping 18GBP each, even I gulped at the price.

Burn out 3 of these and you would be slightly miffed.

Roberto, why such a sharp rise/fall time?
What driver are you using?

Regards
Rob

Bruce_TPU

#311
June 08, 2007, 09:19:45 PM
Thank you Rob!
18 GBP to US is $35.38 each times three is about $106.00 towards a working TPU.  Not too bad.  (unless you fry them of course  ;D) LOL 

We need to price them here in the US and Germany and see if we can find them any cheaper.  Or Roberto when he posts his circuit, I am sure will have some suggestions...

Cheers,
Bruce
1.  Lindsay's Stack TPU Posted Picture.  All Wound CCW  Collectors three turns and HORIZONTAL, not vertical.

2.  3 Tube amps, sending three frequency's, each having two signals, one in-phase & one inverted 180 deg, opposing signals in each collector (via control wires). 

3.  Collector is Magnetic Loop Antenna, made of lamp chord wire, wound flat.  Inside loop is antenna, outside loop is for output.  First collector is tuned via tuned tank, to the fundamental.  Second collector is tuned tank to the second harmonic (component).  Third collector is tuned tank to the third harmonic (component)  Frequency is determined by taking the circumference frequency, reducing the size by .88 inches.  Divide this frequency by 1000, and you have your second harmonic.  Divide this by 2 and you have your fundamental.  Multiply that by 3 and you have your third harmonic component.  Tune the collectors to each of these.  Input the fundamental and two modulation frequencies, made to create replicas of the fundamental, second harmonic and the third.

4.  The three frequency's circulating in the collectors, both in phase and inverted, begin to create hundreds of thousands of created frequency's, via intermodulation, that subtract to the fundamental and its harmonics.  This is called "Catalyst".

5.  The three AC PURE sine signals, travel through the amplification stage, Nonlinear, producing the second harmonic and third.  (distortion)

6.  These signals then travel the control coils, are rectified by a full wave bridge, and then sent into the output outer loop as all positive pulsed DC.  This then becomes the output and "collects" the current.

P.S.  The Kicks are harmonic distortion with passive intermodulation.  Can't see it without a spectrum analyzer, normally unless trained to see it on a scope.

Grumpy

#312
June 09, 2007, 12:00:49 AM
It is the men of insight and the men of unobstructed vision of every generation who are able to lead us through the quagmire of a in-a-rut thinking. It is the men of imagination who are able to see relationships which escape the casual observer. It remains for the men of intuition to seek answers while others avoid even the question.
                                                                                                                                    -Frank Edwards

chrisC

#313
June 09, 2007, 12:22:38 AM
@tishatang

That was really a magnanimous gesture on your part in offering your scope to Otto so he can proceed on his TPU work of excellence! However, I think Otto is already waiting delivery of a new scope bought by 2 members of the Forum since he fried his last scope!

If Otto does not want it, I am pretty sure I can make use of it if you want to send it my way! I have been wanting to start replicating Otto's TPU since I now have a pretty good understanding of the 'principles' invloved. I'll be glad to pay the shipping anywhere in the U.S since I am located in san Jose, CA.

btw, 70 is not old! My father in law is 94 and is very much alive and kicking (however, not like TPU kicks!)

Regards
ChrisC

mkt3920

#314
June 09, 2007, 12:48:13 AM
Quote from: tishatang on June 08, 2007, 06:21:52 PM

It has been really exciting being here searching for the elusive TPU. 
Good luck to all!

Tishatang

Tishatang,
Thank you for your input in the past and good to see you posting again.  You have my respect and you had very good insights into "harmonics" and "mobius" last year.  Congratulations on the marriage.

http://www.overunity.com/index.php/topic,712.msg16416.html#msg16416

Kent
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