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Author Topic: Dr Ronald Stiffler SEC technology  (Read 61657 times)

Offline Slider2732

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Re: Dr Ronald Stiffler SEC technology
« Reply #375 on: June 27, 2018, 08:08:56 PM »
Great news...
I persisted with the 10.1MHz crystal, but built it again on a breadboard to test some ideas.
The 'range' is now 2ft 4" or 711mm  :o
How ? the simple addition of what we would normally do with a Slayer Exciter - add a reverse polarity LED from Emitter to Base !
It can now partially run a neon without holding it (AV plug is partly blocking it in the pic below) and power a couple more loads, while not affecting that resonant condition for the distance extension.
The LED also allows a simple check that the circuit is on and the crystal is sitting correctly in its holder.
Transistor being used is a 'lowly' C945, in comparison to the MPSA06, 2N2222A, MPSA18, C3198 and other known good exciter transistors.

Thoughts then turned to how Lidmotor ran one 13.56MHz circuit from another and I wanted to find 10MHz crystals. Went out to the shed and found what I think was a Ham radio or CB junker board back in the 80's. It has loads of slightly different 10MHz crystals !


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Re: Dr Ronald Stiffler SEC technology
« Reply #375 on: June 27, 2018, 08:08:56 PM »

Offline itsu

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Re: Dr Ronald Stiffler SEC technology
« Reply #376 on: June 27, 2018, 10:34:25 PM »
Hi Itsu,

I have pondered on this and the first thing would be to utilize resonant voltage increase of tuned LC circuits right already in the xtal oscillator itself as a first step.
I mean to place a tapped LC circuit into the collector of the xtal oscillator to step up the 13.56 MHz signal to as high as possible with such transformation.  See this LC circuit how I mean:
https://overunity.com/17249/dr-ronald-stiffler-sec-technology/msg522125/#msg522125  The oscillator circuit can remain the same you have now, just remove the 1 kOHm or the choke coil from the collector and insert the LC tank there.  The L coil here could be wound on an RF toroidal core you may have from Amidon to have high Q for the tank. 


Another possibility is to use the air core coil itself (called here as L3) to step up resonantly the 13.56 MHz collector current to a relatively 'high' voltage. See this sketch here:
https://overunity.com/17249/dr-ronald-stiffler-sec-technology/msg522451/#msg522451 
 What I mean here is this: coil wire #1 would go directly to supply voltage positive and coil tap #2 would go directly to the collector of the transistor. The air core coil should also resonate at 13.56 MHz,  basically this is very similar to the previous tapped LC tank suggestion, just the C is supplied by the air coil self capacitance and by the capacitive load the AV plug will represent with the LEDs too.  This latter 'autotransformer' is more difficult to tune to resonance than the LC tank on the toroid, due to the fully open L air coil.
If these resonant RF voltage up-transformer methods prove useless in the end, then we can ponder on further solutions...   8)
Gyula

Gyula,

i tried the part in bold above, which seems to work, see screenshot of my oscillator signal.
For the LC tank circuit i used an amidon T200-2 toroid with 26 turns (1mm wire) and a 30pF trimmer cap.

The tap to the collector etc. is 2 turns from the 12V entry point, a 100nF cap is on the output.

The downside is that with this signal the transistor is getting hot quickly.
I put a 5K trimmer pot in the 12V supply line to the tank, which regulates the output (down)

The SN74AC14, the 5V regulator, the BJT totem pole and the MOSFET (IRF840) on the breadboard are not used in this setup!

I probably need to retune the Tank to be more in resonance on 13.56Mhz (it was out of the circuit).
Itsu   

Offline gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #377 on: June 27, 2018, 11:25:35 PM »
Hi Itsu,

Very good, thanks for your efforts.  Here are some refinements if I may, to get a 'nicer' waveform and perhaps less heat for the transistor.

May I suggest to reduce the number of turns from 26 to only 18 and make a tap at 4 turns?

From this link http://toroids.info/T200-2.php  the AL value is about 12 for this core and 26 turns gives 8.1 uH while we need only around 4 uH, this is approached by 18 turns to get 3.8 uH. I mention this because the scope probe may have 15 pF and your 30 pF trimmer cap is turned fully out, very likely an even smaller than 15 pF overall tuning cap would be needed to tune the tank to resonance with the present 26 turns.  Notice that you may have to retune the trimmer cap when connecting an air coil  via a single wire.

And raising the number of turns for the tap from 2 to 4 would increase collector impedance, hence less AC collector current could flow, reducing dissipation. This may involve less peak to peak RF voltage across the tank due to the smaller transformation ratio, maybe an acceptable compromise.
But anyway, now you have roughly 50-55 Vpp voltage across the relatively high LC tank impedance and this would drive an air core coil (tuned also to 13.56 MHz) via a single wire nicely I suppose.  Then the resonant air core coil may have an even higher oscillating amplitude to feed a 230V LED via AV plug (maybe you do not have a 120 V LED). Try to connect (at least) two-two 1N4148 diodes in series to increase their reverse voltage rating.

A question: what is actual DC voltage feeding the oscillator? (due to the voltage drop across the 5 k trimmer pot)
Edit: if you have an L meter, please check the 26 turns inductance., to learn about reality.

Thanks, Gyula

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Re: Dr Ronald Stiffler SEC technology
« Reply #377 on: June 27, 2018, 11:25:35 PM »
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Offline Lidmotor

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Re: Dr Ronald Stiffler SEC technology
« Reply #378 on: June 28, 2018, 12:52:58 AM »
Slider --- I started using your idea for a power supply and it works great for this project.  That really helped see what happens when you raise the voltage on the crystal circuit.

erfandl----Congratulations on the replication.  It looks good. 

Gyula --- I really like this new 'Wiper Coil' idea.  It works great and might be improved in several ways so it can be adjusted easier.

Here is the video of the adjustable boost power supply in action.  I'm using a 3.7v 18650 battery and running the circuit at 15v.  Lots of light now.

https://www.youtube.com/watch?v=7JDng6iCkZA

--Lidmotor

Offline Slider2732

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Re: Dr Ronald Stiffler SEC technology
« Reply #379 on: June 28, 2018, 01:34:33 AM »
Ah great !
Am finding it to be really flexible and better than presuming a batt voltage or constantly measuring for comparisons as a battery discharges.



The SEC 18-1 has arrived !
Have done an unboxing video and first power up test  ;D

https://www.youtube.com/watch?v=8_6dVHGeVoY
(4 mins)

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Re: Dr Ronald Stiffler SEC technology
« Reply #379 on: June 28, 2018, 01:34:33 AM »
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Offline itsu

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Re: Dr Ronald Stiffler SEC technology
« Reply #380 on: June 28, 2018, 10:44:09 AM »
Hi Itsu,

Very good, thanks for your efforts.  Here are some refinements if I may, to get a 'nicer' waveform and perhaps less heat for the transistor.

May I suggest to reduce the number of turns from 26 to only 18 and make a tap at 4 turns?

From this link http://toroids.info/T200-2.php  the AL value is about 12 for this core and 26 turns gives 8.1 uH while we need only around 4 uH, this is approached by 18 turns to get 3.8 uH. I mention this because the scope probe may have 15 pF and your 30 pF trimmer cap is turned fully out, very likely an even smaller than 15 pF overall tuning cap would be needed to tune the tank to resonance with the present 26 turns.  Notice that you may have to retune the trimmer cap when connecting an air coil  via a single wire.

And raising the number of turns for the tap from 2 to 4 would increase collector impedance, hence less AC collector current could flow, reducing dissipation. This may involve less peak to peak RF voltage across the tank due to the smaller transformation ratio, maybe an acceptable compromise.
But anyway, now you have roughly 50-55 Vpp voltage across the relatively high LC tank impedance and this would drive an air core coil (tuned also to 13.56 MHz) via a single wire nicely I suppose.  Then the resonant air core coil may have an even higher oscillating amplitude to feed a 230V LED via AV plug (maybe you do not have a 120 V LED). Try to connect (at least) two-two 1N4148 diodes in series to increase their reverse voltage rating.

A question: what is actual DC voltage feeding the oscillator? (due to the voltage drop across the 5 k trimmer pot)
Edit: if you have an L meter, please check the 26 turns inductance., to learn about reality.

Thanks, Gyula

Gyula

My agilent U1733C LCR meter shows 8.28uH @ 100KHz for the 26 turn coil, so your link is smack on.
The trimmer cap measures 4-23pF and was set at minimum (4pF), my probe is a 8pF type.

As i wanted to show off i turned the 5K trimmer pot all the way down (0 Ohm) so the voltage used
was from the battery meaning 12.4V.

I will remove some turns and go to 18 turns with a tap at 4.
I do only have some 230V leds here.

Thanks,   itsu

Offline gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #381 on: June 28, 2018, 11:53:01 AM »
Hi Slider,

It is worth visiting your shed once in a while, you have a plethora of exotic components for sure.  ;D
The other crystals with 37600 labels on them are surely overtone ones and their base frequency is either 1/3  i.e. 12533.3 kHz or maybe 1/5  i.e. 7520 khz you can plug them into the oscillator circuit and check with the oscilloscope.
Now that you received SEC 18-1, new fun begins.   


Gyula

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Re: Dr Ronald Stiffler SEC technology
« Reply #381 on: June 28, 2018, 11:53:01 AM »
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Offline erfandl

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Re: Dr Ronald Stiffler SEC technology
« Reply #382 on: June 28, 2018, 12:16:52 PM »
good idea with boost converter. I used LTC1871 boost converter module with a 3.7 volt polymer battery.


Offline Slider2732

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Re: Dr Ronald Stiffler SEC technology
« Reply #383 on: June 28, 2018, 07:33:08 PM »
Gyula - LOL !
I repeated your comment about the shed to my wife and she said "Wouldn't surprise me if you found the Ark of the Covenant in there one day".
Most of it was useful stuff found during Minnesota Clean Up Weeks before we moved here to OK, literally picked up off the streets.
Then, a guy dropped off 4 plastic large tubs of stripped electronics, he had been after any precious metals and copper. That trash was my gold and still is, several years later.

erfandl - It's so good to see another one of those running  :D

There are displays for similar low cost that have the voltage and current on them and may be an upgrade route.
This one is similar, can't find the exact one that I have:
https://www.ebay.com/itm/DC0-100V-100A-50A-10A-LED-DC-Dual-Display-Digital-Voltage-Current-Meter-Hea-T3E4/183170385950
For a built-in setup where the screen is actually on the booster, such a screen would be on the output and would allow the measuring of current...something which I know Lidmotor has had troubles with and might hopefully be a fix.

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Re: Dr Ronald Stiffler SEC technology
« Reply #383 on: June 28, 2018, 07:33:08 PM »
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Offline Lidmotor

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Re: Dr Ronald Stiffler SEC technology
« Reply #384 on: June 28, 2018, 07:35:20 PM »
erfandl and All-----I was able to get this 'Crystal Circuit Exciter' to stay running at 20 volts (the voltage Dr. Stiffler used on his signal generator experiments).  The led array I am using came on super bright.  At that brightness be careful about looking directly at it.  I saw spots after doing this experiment.  Here is the short video of this thing at 20v.  The camera dimmed the light appearance down.  It is much brighter than it appears here.


https://www.youtube.com/watch?v=vW4RqHaZa-Q

--Lidmotor

PS---Slider I just ordered one of those voltage AND amperage meters off EBay.  We need to know the wattage or this experiment is somewhat meaningless.  The field 'excitation' messes with the electronic meters though and I really don't trust them.  Measuring the voltage drop across a resistor is a better way.  I will say this ---- That little MPSA06 didn't blow up producing a huge amount of light.  Interesting.

Offline Slider2732

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Re: Dr Ronald Stiffler SEC technology
« Reply #385 on: June 28, 2018, 09:39:13 PM »
Lidmotor - will likely mod mine to have the voltage and current meter.
It may be that a good distance away and using something like coax to connect to the circuit would be the way to measure.
Quick tip: do you have the plastic bulb part still from a bulb that got disassembled ?
Put that over the LED's and it should allow for looking at the output. Also would work well for output comparisons to a mains driven version of a bulb.


Speaking of which.
Here's a pic of a Lowe's bought 9W bulbs innards, being driven at 12V with the SEC 18-1.
It's perhaps interesting because the bulb 'features' components on the actual board, as has been a problem with some replication attempts.
Connecting the L3 to the +/- with an AV plug works. Brightness increases with a clip lead.
The DT bulb also works great on the SEC, at certain points within the C1 var cap tuning range.
(there's a gap in the ring of LED's, because I accidentally Dremel'd right through it when taking it apart and had to jumper with a soldered wire).



Free Energy | searching for free energy and discussing free energy

Re: Dr Ronald Stiffler SEC technology
« Reply #385 on: June 28, 2018, 09:39:13 PM »
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Offline itsu

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Re: Dr Ronald Stiffler SEC technology
« Reply #386 on: June 28, 2018, 10:21:46 PM »

Redid my tank circuit, now 18 turns and the tap on 4 turns from the 12V.
The 23pF trimmer cap is (with 8pF probe connected) set to a minimum value.

Connected up to the 100nF cap my L3 coil which is connected to the copper tape taped to
the alu backside of my 230V led strip with 2x 1N4148 diodes from plus to minus of the led strip.

The led strip now gives more light then it did with my FG (20Vpp).
Input voltage was 12V from a battery (5K pot on input all off (0 Ohm)).

The input was calculated by the scope to be 2.18W, see red trace / value.
(Blue is input voltage battery, green is input current battery, yellow is output at trimmer cap)


Itsu

Offline gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #387 on: June 29, 2018, 12:33:36 AM »
Hi Itsu,

Very nice sinewave and huge peak to peak value across the tank, very good job with the LC tank, thanks for all your efforts.

Probably a 120V LED array would already give even higher brightness with this setup (I know you do not have and no problem).

Maybe the transistor is still warming up if the circuit is run for several minutes, a certain part of the 2.18 W input power surely heats it up. It is sure that playing with the tap position and use 5 or 6 turns for the tap can further improve the matching between the collector and the LC tank (hence the possibility of reducing dissipation), when L3 is also in place with its LED load, this is a dynamic interaction.  I just notice these, I am not asking you to refine this matching any further, what you have achieved is very fine already.

May I ask you to show the voltage waveform on the collector of the transistor with respect to the negative ground? I am curious where are the lower peaks of the collector voltage, how close they approach the negative rail? (please use DC coupling on the scope input)
You surely checked somehow whether coil L3 is fully in resonance at 13.56 MHz when the LED is attached? 

One more thing what may be interesting: whether there is a difference in brightness when you drive the same LED array in this same setup with the AV plug from the L3 coil and not with the back plate capacitive coupling? 

When driving the LEDs with the AV plug and you place a puffer capacitor across the DC output of the AV diodes (i.e. across the LED strip input), then the DC voltage could be measured, hence the AC voltage could be deduced at the top of L3 (I know the top of L3 is floating AC wise.)   A 22 or 47 uF 250V capacitor may be enough.
(I assume that in this present test shown in the photo the center point of the two AV plug diodes is floating, right?)

It is possible though that in the shown setup if you attach a short piece of wire to the center of the two diodes, or you simply touch it by finger, then the brightness may increase (similarly when the Doc shows this with a Alu mass touching the diodes point). 
If you recall the Doc showed the diodes common point was connected to the negative supply rail in one of his videos, when thhis LED array was simply placed very close to his L3 coil.  If you test the diodes point connection to the negative,  then the retuning of L3 may be needed because the capacitive coupling to the top of L3 would become higher, causing some resonance detuning in L3.  If this happens, you may need to remove 1 or 2 turns from L3. 
Thanks,
Gyula

Offline Lidmotor

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Re: Dr Ronald Stiffler SEC technology
« Reply #388 on: June 29, 2018, 06:10:11 AM »
All----I finally got my cheap function generator in the mail and got it to do a true replication of Dr. Stiffler's experiment.  The
Wiper Coil' I made was critical in getting this to work at 13MHz.  This effect does work at other frequencies depending on what coil you choose.

https://www.youtube.com/watch?v=GCR3HoYeuCA

----Lidmotor

Offline itsu

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Re: Dr Ronald Stiffler SEC technology
« Reply #389 on: June 29, 2018, 08:57:44 AM »
Hi Itsu,

Very nice sinewave and huge peak to peak value across the tank, very good job with the LC tank, thanks for all your efforts.

Probably a 120V LED array would already give even higher brightness with this setup (I know you do not have and no problem).

Maybe the transistor is still warming up if the circuit is run for several minutes, a certain part of the 2.18 W input power surely heats it up. It is sure that playing with the tap position and use 5 or 6 turns for the tap can further improve the matching between the collector and the LC tank (hence the possibility of reducing dissipation), when L3 is also in place with its LED load, this is a dynamic interaction.  I just notice these, I am not asking you to refine this matching any further, what you have achieved is very fine already.

May I ask you to show the voltage waveform on the collector of the transistor with respect to the negative ground? I am curious where are the lower peaks of the collector voltage, how close they approach the negative rail? (please use DC coupling on the scope input)
You surely checked somehow whether coil L3 is fully in resonance at 13.56 MHz when the LED is attached? 

One more thing what may be interesting: whether there is a difference in brightness when you drive the same LED array in this same setup with the AV plug from the L3 coil and not with the back plate capacitive coupling? 

When driving the LEDs with the AV plug and you place a puffer capacitor across the DC output of the AV diodes (i.e. across the LED strip input), then the DC voltage could be measured, hence the AC voltage could be deduced at the top of L3 (I know the top of L3 is floating AC wise.)   A 22 or 47 uF 250V capacitor may be enough.
(I assume that in this present test shown in the photo the center point of the two AV plug diodes is floating, right?)

It is possible though that in the shown setup if you attach a short piece of wire to the center of the two diodes, or you simply touch it by finger, then the brightness may increase (similarly when the Doc shows this with a Alu mass touching the diodes point). 
If you recall the Doc showed the diodes common point was connected to the negative supply rail in one of his videos, when thhis LED array was simply placed very close to his L3 coil.  If you test the diodes point connection to the negative,  then the retuning of L3 may be needed because the capacitive coupling to the top of L3 would become higher, causing some resonance detuning in L3.  If this happens, you may need to remove 1 or 2 turns from L3. 
Thanks,
Gyula

The L3 coil with leds attached resonates (using my FG red lead only) around 15Mhz, and with a
ferrite rod inside (slightly) i can adjust it to 13.5Mhz allthough the brightness of the leds gets less.

Doing this trick when attached to my tank does not work somehow, its a strange (for me) interaction, like
flipping a switch the leds flip on or off depending on the 5K pot setting (from 0 Ohm to higher,
then back to 0 Ohm) and/or the setting of the trimmer cap (different when using the probe or not).
I will need to add turns on my L3 coil to have it resonate (with the FG) at 13.5Mhz.

I did not use the AV-plug setup you mention up till now, only with the 2 diodes in a loop across the leds
plus/minus, but will try it.
The center point of the diodes is always floating, attaching a (V)ground does improve the brightness.

At the moment, the 5V regulator and the SN74AC14 etc. is still powered from the 12V, so that also needs
to be included into the 2.18W input, i will remove those items.
The transistor does heat up somewhat, but less then it did before the tank mod.

Will tinker around some more later today including showing the waveform of the collector to ground.

Itsu


 

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