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Overunity Machines Forum



Solid State Orbo System

Started by Groundloop, January 06, 2010, 12:21:24 PM

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Bruce_TPU

#585
March 22, 2010, 07:39:48 PM
Quote from: LarryC on March 22, 2010, 05:23:55 PM
Check out the 'Velleman dc to pulse width modulator' on google. It is a complete kit and has freq adj and Pw adj. Cheap as $22.00 before shipping. I've used it for years with no problems.

Regards, Larry 

Hi Larry,

That would be awesome...I just can't seem to find it...LOL  I have found Velleman scopes etc, but not as you describe.  If you would be kind enough to provide a link, I would be very grateful. 

Thanks!

Bruce

EDIT:  
I found this one on the Web, is it the one you refer to?

http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&productId=120539
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.

tak22

#586
March 22, 2010, 08:18:41 PM
Bruce,

It's probably the Velleman K8004 kit that Larry is mentioning. Here's a typical link for it:

http://www.apogeekits.com/pulse_width_modulator.htm

tak

Bruce_TPU

#587
March 22, 2010, 09:51:49 PM
Quote from: tak22 on March 22, 2010, 08:18:41 PM
Bruce,

It's probably the Velleman K8004 kit that Larry is mentioning. Here's a typical link for it:

http://www.apogeekits.com/pulse_width_modulator.htm

tak



Hi Tak,

Thanks, that is the one that I thought. 

@ ALL
My only concern is that the frequency appears limited to 5KHz, otherwise it would appear to be a great buy.  I wonder if there could be a way to up that frequency range without redesigning the whole circuit?

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.

teslaalset

#588
March 23, 2010, 04:43:03 AM
Bruce, I am using a small microcontroller kit as pulse generator:
http://arduino.cc/en/Main/ArduinoBoardDuemilanove
It can be programmed in quite a simple manner using an USB cable (not included) and a PC.
Using the Arduino kit I can program it to generate up to 4 Mhz using assembler, but it can be programmed in C+ as well, although it is less efficient. Using C+ may limit the output frequency to approx 1 Mhz.
Output is 5 Vpp
Seems good enough for your experiments.

Costs: 25-28 euro.
Locations to buy: click the 'buy' link at the top of that page and it will give you the most popular sales addresses.

haithar

#589
March 23, 2010, 06:22:20 AM
Yes 5V output voltage, but you should use a transistor after that! The current which mikrocontroller boards can deliver are usually in the mA range and by no way enough to run something which needs power in the Watt-range.
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