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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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jacob

#450
June 11, 2007, 05:33:52 PM
Quote from: otto on June 11, 2007, 04:07:26 PM
Hello all,

@Jakob

thanks for your kind words. Finally whats needed.

I miss you here.

Otto

You deserve every one of those words Otto, and so does Roberto!

Regards,

Jacob

MeggerMan

#451
June 11, 2007, 06:41:58 PM
Hi Roberto and Otto,
Some testing results for a signal driving a mosfet without the mosfet driver:
6.7 Volts supply to mosfet, 0.6A

Basic setup signal gen. -> IRFU3707Z mosfet (with protection diodes)


1MHz square wave input


300KHz square wave input


50KHz square wave input


10KHz square wave input


What you cannot see is that at 1MHz the mosfet gets very hot and hardly any power get to the light bulb load.
Look how dull the bulb is at 1MHz:


Tomorrow, same test but with mosfet driver.

Regard
Rob

Grumpy

#452
June 11, 2007, 06:58:05 PM
Can't see the pictures.  (Maybe just my computer(?))
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

hartiberlin

#453
June 11, 2007, 07:05:47 PM
Roberto is preparing a video for us all to see te effects. He has only got the evenings and nights to work on it, cause during the day he has to work at the office. In this moment he is exhausted from the big work with Otto, so give him some time to rest and work on the video. Thanks.
Stefan Hartmann, Moderator of the overunity.com forum

chrisC

#454
June 11, 2007, 07:07:32 PM
Hi Rob:

What's that cute board you showed eith the freq. reading. is is programmable (sine, square etc) and what resolution and can the frequency (TTL?) be pot. set?

Ideally, what make and model?

Thanks

chrisC
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