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Author Topic: Dr Ronald Stiffler SEC technology  (Read 278909 times)

iQuest

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Re: Dr Ronald Stiffler SEC technology
« Reply #885 on: September 03, 2018, 01:37:58 AM »
Litmotor:
   The first step was attempt to correctly document Dr. Stiffler's energy lattice formula.  An analysis of the formula is needed as TinselKoala points out, also the empirical data that Dr. Stiffler mentions in the video needs to be
replicated which he states confirms the formula but provides no further details.  It would be good to know if an L3 circuit tuned to the 13.5 MHz frequency which you use has a more efficient output than an L3 circuit tuned to a
frequency that is not near an odd integer frequency.  This is probably the type of empirical data Dr. Stiffler is referring to, for example, common crystal frequency 11.2896 MHz is roughly centered between odd integer
15-10.6592 MHz and 17-12.0804 MHz.  A good test would be to check the L3 tuned circuit efficiency difference between 11.2896 MHz vs. 13.5 MHz or 11.2896 MHz vs. 12 MHz, the frequency NickZ uses.  If Dr. Stiffler's energy
lattice formula truly calculates the frequency at which the energy lattice will release energy I think this test results would provide valuable data.

Itsu:
   The tests that you demonstrated peaked my interest to further test and try to understand the frequencies that resonate with the L3 coils.  The FFT function of an oscilloscope can be very helpful to visualize resonant
frequencies and it is also a good way to monitor coil tuning and how changes affect it.  As time allowed I used the FFT feature of my oscilloscope to replicate your tests from this video https://www.youtube.com/watch?v=FhGx8TYs0Iw
and saved screens to document the srf of some L3 coils.  I setup an FG to sweep from 0-50MHz with 1Vpp sine wave and the oscilloscope FFT was setup to monitor from 0-100MHz using a Max Hold feature.  I've attached a picture
that serves as a reference to my setup with file name L3 srf Test Setup.  I'm primarily working with four L3 coils (D and E are to spec, J and K each have different number of windings).
   I've also attached some FFT screen captures with the sweep frequency at the top and dBm on the sides. The file name notes the test setup:

srf1 FG-L3D(FFT)- > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (c) per setup reference using only first coil
srf2 FG-L3E(FFT)- > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (c) per setup reference using only first coil
srf3 FG-L3D--L3E(FFT)- > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (g) per setup reference without 100 ohm resistor
srf4 FG-L3D-R100-L3E(FFT)- > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (g) per setup reference with 100 ohm resistor as shown in picture

   This first group of tests have the L3 coil open at the top end and are capacitive coupled to achieve the highest standing wave resonance frequencies from a reflected quarter wave.  I set the insulated tip of the FFT oscilloscope
probe up against the last coil winding at the reference point shown in the test setup picture.  The coil(s) and test probe were positioned precisely the same way for all tests. 
   I used a lower level FG 1Vpp sine wave and the FFT probe was set up against the last L3 winding, so this would explain the lower L3 resonant frequency compared to what you got.  You showed how moving the probe away
from the L3 coil increases the resonant frequency.  These test findings were similar to yours, I also don't understand how connecting two L3 coils in series results in a second resonant frequency that is higher than for a single
L3 coil.  I welcome comments from anyone that will help to better understand this.

itsu

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Re: Dr Ronald Stiffler SEC technology
« Reply #886 on: September 03, 2018, 11:57:46 AM »

iQuest,

very nice experiment.

So i see a 0-100Mhz sweep, with the first 2 screenshots showing a peak around 18MHz for both L3 coils used
(indeed probably higher if you remove the probe somewhat).

The next 2 screenshots show those same two L3 coils in series (with and without a 100 Ohm resistor inbetween)
which give two peaks around 10/11 and 24/26MHz.

I remember i also "saw" these double peaks, allthough the first peak was lower (3.5MHz) in frequency, see:
https://overunity.com/17249/dr-ronald-stiffler-sec-technology/msg524779/#msg524779


I think the Doc. is trying to simulate "ground" by using the 100 Ohm resistor




A possible explaination could be (using http://www.1728.org/resfreq.htm):

My L3 coils measure 27uH, so the self capacitance (resonance at 24Mhz) calculates to be 1.6pF

Two L3's in series will give 2x 27 = 54uH and 2x 1.6pF = 3.2pF giving a resonance of 12Mhz.
So perhaps we see both resonance components emerge on the traces.

(i know that 2 equal capacitances in series give half of their value, but i think that the selfcapacitances
are in parallel with the coils, so behave differently,   food for thought).

Itsu


NickZ

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Re: Dr Ronald Stiffler SEC technology
« Reply #887 on: September 03, 2018, 04:47:47 PM »
   Gyula:   I now have the crystal oscillator reworked, although it may look similar to how it was before, it is not the same.
   There are 8+8  4148 diodes in a single diode loop, lighting a 24 led AC led bulb.  Plus another 26 led board in parallel, also.I'll be adding the second diode loop, when I get some more diodes.  The voltage at the AC bulb is 98v now, while the voltage at the oscillator's collector/emitter is about 48v, with a load.
  The unloaded voltage at the AC bulb, (but with the bulbs all removed) is about 150v, or so.

   My transistor is only a 100mA model, so I'm doing what I can with that limitation, for now.  The input voltage is 24v from batteries.
   The AC led bulb is not gutted, so there is still a circuit inside, which limits the input current and voltage. Which is probably why the bulb is not lighting as brightly as it would without that limiting circuit.
    I'll be getting 4 new AC 8.5w LED bulbs today, if all goes as expected. New tests will be done once I gut them to remove their  circuits.
   
    Although my multi-meter does not register the amp draw now, it still works to read voltages.
   
    As usual, any thoughts or ideas are welcome.                                                                           NickZ

gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #888 on: September 04, 2018, 01:12:36 AM »
Hi iQuest,

The formula  cannot be complete, something is not disclosed because the dimensional analysis does not
give frequency as TinselKoala mentioned it. I tried to analyze it but my rusty brain has given no wise outcome
how the Hz may come out. The first character on the left side of the equation symbol can be the last but one
Greek letter of the Greek alphabet (uppercase): Ψ  (Psi).  Why the Doc chose it for frequency may or may not
have significance, I would not be surprised if it were to cover a certain expression to make the dimensional
result correct.  (this latter is just my speculation)
On the question how the connection of two (identical) L3 coils in series may result in a second resonant frequency
that is higher than for a single L3 coil:I think first we need to understand that the first L3 coil
(that is driven from a generator or from an oscillator) is detuned in a greater degree (to a lower frequency)
than the second coil that is connected to the free end of the first coil.

Why can this be so? I think the explanation is the body of the generator or oscillator has a much bigger surface
embedded into the 'space' around them versus the surface of the first coil wrt the second coil.  So the two coils
are never tuned to the same resonance even though you did your best to make them as identical as possible.
OF course the detuned frequency of the first coil could surely be corrected with careful fine tuning, has any of you
done so during such tests you are showing?

So I suppose the first coil has the lower resonant frequency because it is more detuned by the generator than the
other coil, you can also check this.
Or try to fine tune the second coil which I think has the higher resonant frequency wrt the first.
Question is if you tune the resonent frequency of one of the coils to coincide with the other, then will you have
a single peak instead of two?
Does the second coil have the higher resonant frequency wrt the first?
If you test these to see the behaviour, then more answers will come from the tests. 

Also, consider the following:  say the first coil will have 2 pF higher self capacity due to the direct generator
connection, i.e. say it will have 4 pF, while the second coil will have only a 1 pF increase in self capacity i.e. it will
have 3 pF provided each has 2 pF self capacity alone when not connected to anything. 
There will be a resonance the L value of the first coil creates with the self capacitance of the second coil and
vice versa: this should normally result in two notches in the response with a peak in between if two such
detuned series tanks are swept between two 50 Ohm (or any other value) terminations.   
Hi Nick   All I can say is carry on.
Gyula

iQuest

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Re: Dr Ronald Stiffler SEC technology
« Reply #889 on: September 04, 2018, 11:46:44 AM »
Itsu:
   Appreciate your input, I was sweeping from 0-50MHz which is the maximum for my FG and with FFT I was monitoring sweep frequency and  harmonics up to 100MHz.  In the first group of tests the L3 coil(s) had an open end opposite
from FG so I was expecting the frequency peaks to be from reflected standing wave not from LC resonant frequencies.  I see your point and what Gyula has posted but I'm also trying to account for standing wave at quarter wave
resonant frequency with this open ended circuit.  In the tests with and without the 100 ohm resistor the two peak frequencies decreased when the 100 ohm resistor was installed, it is most noticeable with the peak at the higher
frequency.  Installing the 100 ohm resistor in series increases the electrical length so a lower standing wave frequency would be expected, as appears to occur.  But we have also noted that the closer the capacitive coupled test
probe is to the L3 coil the lower the frequency, so both electrical length and capacitance appear to be major factors in the change in frequency.  I think an important question might be: Is the change in capacitance affecting the
standing wave velocity factor and thus this resonant frequency, or the LC resonant frequency, or both?
   I'm taking a methodical approach, so before moving on with tests using direct FFT connection I conducted another test without the 100 ohm resistor.  For this test I replaced the resistor with a jumper wire of the same length to
keep the total electrical length of the two L3 coils the same.  The peak frequencies do remain the same with either the resistor or a jumper wire of same length confirming that in the previous test the peak frequencies were higher
when the series resistor was removed because the total electrical length of the two series L3 coils was shorter when they were directly connected together, the 100 ohm resistance was not a factor.
   I also thought it would be good to conduct this same test with a small top load so I connected an AV plug with one white LED to the open end of the two series L3 coils to compare the 100 ohm resistor vs. jumper wire while
maintaining the same electrical length.  I didn't learn anything new when the LED load was connected, the resonant frequency decreased due to the increase in electrical length with a small drop in amplitude but the resistance
does not appear to be a factor in this test.  The LED lights up at both peaks when the FG sweeps at those peak frequencies, much brighter at the lower frequency peak which has a higher amplitude.  The FG was kept at 1Vpp
with sine wave output and I continued to position the coil(s) precisely the same way.  I've attached some FFT screens that I saved to document the frequencies and amplitudes with the various test setups, each file name notes
the test setup with references to the previous setup picture:

srf5 FG-L3D-R100-L3E(FFT) >  FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (g) per setup reference with 100 ohm resistor as shown in previous picture
srf6 FG-L3D----L3E(FFT)- > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (g) per setup reference with jumper wire of same length as the resistor that was removed
srf7 FG-L3D-R100-L3E(FFT)-LED > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (g) per setup reference with 100 ohm resistor and an AV plug (two 1N4148 diodes) with one white LED connected at open end
srf8 FG-L3D----L3E(FFT)-LED > FG directly connected to (a) and FFT oscilloscope probe capacitive coupled to (g) per setup reference with jumper wire and an AV plug (two 1N4148 diodes) with one white LED connected at open end

Gyula:
   Also appreciate your input, you make very good points that I need to take into consideration when reviewing my test results and setups.  I had noted in a previous post that Dr. Stiffler used two different size L3 coils in the video
where he connects them in series with the 100 ohm resistor, perhaps he is tuning them to the same frequency as you describe.  I have conducted some tests with the two different size L3 coils that were pictured in my last post,
I will share those test results in a future post when I get a chance to spend more time with my equipment and will further followup with you then when I've given more thought to your comments.  In the mean time I would appreciate
your input on my above comments to Itsu.  In the tests I've shared so far with single coils and two coils in series I have noted that a small change in the total electrical length will change the peak resonant frequencies.  Dr. Stiffler has
emphasized  this in some of his old videos.  A standing wave is at play here, as would be expected on a transmission line with an open end.  I'm trying to distinguish between standing wave and LC resonant frequencies and to better
understand their relationship in this circuit.

Edit: Corrected attached file name.
« Last Edit: September 04, 2018, 07:19:02 PM by iQuest »

gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #890 on: September 04, 2018, 03:19:35 PM »
Hi iQuest,

Yes, both the electrical length (coming from coil wire length and the hook-up wires and say the 100 Ohm
resistor legs) and the coil self capacitance (that includes all the nearby "things" too) are the major factors
in changing the resultant coil frequency. You can consider the second coil itself to be 'serving' as a capacitive
top load for the first coil that is driven from the generator at its 'bottom', so the first coil may be loaded
(hence detuned from its intended frequency towards a lower frequency) at its both ends.
But the first coil also 'serves' as a 'bottom' load for the second coil and the top of the latter may be freely
floating and is affected by say your also floating probe placed near to it.

It is okay that you keep an eye on observing and maintaining a voltage maximum at the end of the coils,
in fact it is a requirement to attain the highest standing wave at the quarter wave frequency of the coils.
I agree with your observation on the Doc's using two different size L3 coil: a logical step to compensate for
detuning. If the first coil is the driven coil and its 'loaded' frequency corresponds to the one coming from the
formula, then it should be the second coil that has a little longer wire to reduce its frequency to that of the more
heavily loaded first coil. Or whichever coil is loaded heavier, the other one should have a bit longer wire, that is.

You wrote: "A standing wave is at play here, as would be expected on a transmission line with an open end. 
I'm trying to distinguish between standing wave and LC resonant frequencies and to better understand their
relationship in this circuit."
My take on this is: the quarter wave resonance goes together with the highest voltage amplitude at the top or
'free' end of a coil or transmission line involved and also this yields the highest standing wave reflection.

Any loading at or mainly near the top part of the coil changes voltage and current distribution (i.e. the coil gets
detuned) and this should be compensated for to maintain the coil's quarter wave frequency at the desired
'formula' frequency. This may need either adding or removing some wire length to bring back the detuned coil to
the desired frequency.  You could compensate the capacitive loading effect by changing the frequency and you will
surely have a quarter wave resonance again, of course, but now not at the desired 'formula' frequency but below it.

Would like to add the following notice to the end of my previous post where I wrote this: "this should normally result in
two notches in the response with a peak in between if two such detuned series tanks are swept between two 50 Ohm
(or any other value) terminations."   So here is my additional notice:
In case of the series two L3 coils where there are no real terminations at the coil ends, the notches will become the
two peaks you see now on your FFT display and the peak between them will become the notch.   

Thanks for showing your nice tests.

Gyula
PS Edited for more clarity.
« Last Edit: September 05, 2018, 12:43:59 AM by gyulasun »

gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #891 on: September 04, 2018, 03:24:32 PM »
double post

iQuest

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Re: Dr Ronald Stiffler SEC technology
« Reply #892 on: September 07, 2018, 03:51:32 PM »
Hi Gyula:
  It's good to have you, Itsu and others here to discuss technical topics to gain a better understanding.  I gave some thought to your comments and brushed up on transmission lines.  I think I now have a better understanding about
how the velocity factor which I previously brought up is affecting my test results.  I'm including information that I'm sure you are well aware of but others may benefit from it.  Typically the characteristic impedance of a transmission
line is fixed by the geometry of two conductors.  But with the L3 coil we are working with a one wire transmission line and the 'characteristic impedance is purely a function of the capacitance and inductance distributed along the
line’s length'
.  Any change to the surroundings of the L3 coil(s) at close proximity will change its characteristic impedance because the characteristic impedance of a transmission line is equal to the square root of the ratio of the
line’s inductance per unit length divided by the line’s capacitance per unit length.
   A change to the sensitive characteristic impedance of the L3 one wire transmission circuit with an open end will change the velocity of propagation at which the signal travels, this will change the wave length which will change the
standing quarter-wave resonant frequency.  'The velocity factor is a fractional value relating a transmission line’s propagation speed to the speed of light in a vacuum.'  'In the same way that the wavelength of a signal is the speed
of light divided by the frequency for free space, the same is also true in any other medium.  As the speed of the wave has been reduced, so too the wavelength is reduced by the same factor.  Traveling at a slower speed the signal
cannot travel as far in the same time.  Thus if the velocity factor of a coax cable is 0.66 (vp=1/√LC), then the wavelength is 0.66 times the wavelength in free space.  The advantage of using a coax cable with a low velocity factor
is that the length of coax cable required for the resonant length is shorter than if it had a figure approaching 1.' 
   So the L3 coil's electrical length and the capacitance and inductance distributed along its length, which is affected by nearby things, are the major factors that will determine the standing quarter-wave resonant frequency of this
one wire open transmission line.  I don't think that LC resonance is a factor in the peak frequencies that Itsu and I have demonstrated for the open ended L3 coil(s).  What is your take on my comments above and my assertion that
LC resonance is not a factor in the peak frequencies we are seeing with the open ended L3 coil(s)?
   In light of this better understanding I do not think that posting my tests with direct FFT connections is warranted, my results were similar to what Itsu demonstrated in his video.  The peak frequencies were much lower because
the L3 coil(s) no longer had an open end.  These tests were done primarily to better understand where the peak frequencies were coming from and I think, as noted above and based on your previous post, that I have a better
understanding of that now.

I performed the following tests to determine how the standing quarter-wave resonance of a single L3 coil is affected by the proximity of the test probe, I used my L3D coil and FG was kept at 1Vpp with sine wave output:
Test 1: FG directly connected to (a) and the oscilloscope FFT probe is capacitive coupled by placing it against the last L3 winding at point (c) per the setup reference picture previously posted (probe was laying on top of coil former as pictured).
Test 2: FG directly connected to (a) and oscilloscope FFT probe tip lined up perpendicular with last winding at the top end leaving a 1mm gap between probe tip and the last winding (probe was laying on surface perpendicular to coil former).
Test 3: Same as Test 2 with 5mm gap.
Test 4: Same as Test 2 with 10mm gap.
Test 5: Same as Test 2 with 20mm gap.
Test 6: Same as Test 2 with 40mm gap.s
Test 7: FG capacitive coupled to (a) and oscilloscope FFT probe tip lined up perpendicular with last winding at the top end leaving a 10mm gap between probe tip and the last winding (probe was laying on surface perpendicular to coil former).
L3 coil peak resonant frequencies:
Test 1: 18.9 MHz (insulated probe laying on top of coil former up against last winding)     
Test 2: 19.8 MHz (1mm gap)                                                                                                 
Test 3: 20.1 MHz (5mm gap)                                                                                                 
Test 4: 20.3 MHz (10mm gap)
Test 5: 20.4 MHz (20mm gap)
Test 6: 20.4 MHz (40mm gap)
Test 7: 27.1 MHz (FG capacitive coupled, FFT 10mm gap)

Reference links:
https://chemandy.com/technical-articles/sitting-waves/standing-waves-article6.htm
https://www.allaboutcircuits.com/textbook/alternating-current/chpt-14/characteristic-impedance/
https://www.electronics-notes.com/articles/antennas-propagation/rf-feeders-transmission-lines/coaxial-cable-velocity-factor.php

A couple of relevant quotes from Corum brothers:

"It's not the physical length of the wire but rather the velocity inhibited electrical length of the helical coil which must be quarter-wave resonant (i.e., have forward and reflected wave-interference producing a standing quarter-wave resonance)."
"Virtually all high performance Tesla coils are velocity inhibited, distributed-element, slow wave transmission line helical resonators."

TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #893 on: September 07, 2018, 05:16:05 PM »
It does my heart good to see reference to the Corum brothers.

This video of a model of a transmission line may be of interest to some:
https://www.youtube.com/watch?v=f4T5KKQjz0s



gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #894 on: September 09, 2018, 01:02:34 AM »

Hi iQuest,

You wrote:  "So the L3 coil's electrical length and the capacitance and inductance distributed along its length,
which is affected by nearby things, are the major factors that will determine the standing quarter-wave resonant
frequency of this one wire open transmission line. "
I agree and I would add the followings: in case we exite the L3 at one of its ends from a generator, the first resonance
is a quarter wave one if the frequency is swept from a low enough value upwards. So L3 will have a voltage maximum
at its open end and maximum current at its fed point at that frequency: the equivalent circuit for this resonance is a
series LC circuit. If the frequency of the generator is tuned further on higher, then a half wave resonance comes:
minimum voltage develops at the center part of L3 (while current is maximum here) and minimum currents will be
at both ends (while voltage is maximum at both ends). The equivalent circuit now is a parallel LC circuit.
The Doc probed his L3 coil in one of his earlier videos to show how the voltage amplitude changed alongside the coil
from one end to the other while the frequency was set for the standing quarter wave resonant frequency for that coil. 
This was also shown by Lidmotor in one of his videos. 
So L3 needs retuning whenever a top load pulls its quarter wave resonance away from the formula frequency and the
checking should happen by monitoring voltage amplitude alongside the coil length with a loosely coupled voltage
sensitive probe. Voltage maximum should be attained again at the top loaded end while a voltage minimum should be
at its bottom or fed end.

On your question:  "I don't think that LC resonance is a factor in the peak frequencies that Itsu and I have demonstrated
for the open ended L3 coil(s).  What is your take on my comments above and my assertion that
LC resonance is not a factor in the peak frequencies we are seeing with the open ended L3 coil(s)?

Well,  I often wondered what are the L and C values when an L3 coil is tuned to the standing quarter wave resonant frequency?
or say to the half wave resonant frequency while we did not change anything but frequency? 
 Here is a good paper on the self resonance of coils and I think it includes useful information in several respects:
http://g3rbj.co.uk/wp-content/uploads/2014/07/Self-Resonance-in-Coils.pdf  It includes: coils inductance increases as
their series resonant frequeincy is approached from the lower frequencies.

And here is the site the file is included,  a good part of the site is devoted to coils self resonance and self capacitance:
http://g3ynh.info/zdocs/magnetics/appendix/self-res.html   A very thorough treatment is included in this file from the
owner of the site:   http://g3ynh.info/zdocs/magnetics/appendix/self_res/self-res.pdf 

These are useful pieces of information and certainly need some time to digest. 
Maybe I have not answered your question directly?

Gyula

NickZ

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Re: Dr Ronald Stiffler SEC technology
« Reply #895 on: September 09, 2018, 06:49:20 AM »
   Guys:   My latest video, below, showing the lighting of a G.E. 8.5w LED bulb. As well a a 26 led board.   I'm working on getting the brightness up to "blinding" levels, but I'm not there yet.   Once I add the second diode loop, I should be able to add another AC 24 led bulb, and double the lumins levels, as the Doc has mentioned.   Video:  https://youtu.be/mkLr32fDR-A

   

gyulasun

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Re: Dr Ronald Stiffler SEC technology
« Reply #896 on: September 10, 2018, 10:21:00 PM »
Hi Nick,

Good job and what you learn and experience in building the circuits which is the most valuable.

I think it was the 22 pF capacitor across the transistor, right? that tricked you. Such capacitors
are sensitive to heat when being soldered. It is a good habit to hold the legs with a flat ended
tweezers or plyers while soldering them, to conduct the heat away that could get into the body of
the capacitor.

It is the color temperature of light sources that are measured in Kelvin, this did not occur to you
in the video. Your G.E. LED lamp gives pleasant light.
Just for a comparison, if others are also interested, watch this 5 minute long video, it demonstrates
some lamps with differing color temperatures.  https://www.youtube.com/watch?v=Fq3K2wsItw0

Gyula

NickZ

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Re: Dr Ronald Stiffler SEC technology
« Reply #897 on: September 11, 2018, 03:50:28 AM »
   Gyula:   Yes, it was the 22pF ceramic cap, it looked fine, but was dead. Thanks for the tip about the heat affecting them.
I have blown my share of transistors on this test circuit, and that's probably what fired the cap, when the transistors blow.
   Those little pF caps are of mayor importance, in the overall output seen at the bulbs. As well as the transistors that are chosen. I'm still looking for best right one (transistor),  that can cut it.  Even the crystals starts to heat up when using higher voltages.But, from what I've seen in almost All of these circuits is, that the transistors overheat, and the output is weak. That's what I'm working on to improve.
   
   Kelvin values, yes. Thanks again. The 2700 value  warm white,  G.E 8.5 watt led bulbs are great, and can also be dimmed. However,  I think that the filament type bulbs are the future of leds. There are some in a square shape, that are in laid on a glass frame. 12w, 1000 lumins and higher.  And some LEDs are now being produced up to 100w or higher, but, I don't think that I needs those, just yet. My crystal oscillator wouldn't know what to do with them...
   
   Itsu:  Did the MPSA06 actuallly perform any better than some of the other transistors that you've tried? Which transistor has provided the best output at the bulbs? What value trim pot do you use on the base circuit of your oscillator?
   I need to find a transistor that will hold up to higher voltages. As all the ones that I've used are too limiting, they overheat or don't provide much output, if I try to control the overheating at higher voltages.
   I may try to connect one of my L3 coils to my Kacher circuit.  What do you think will happen?...
Can a crystal powered Kacher circuit be made? That has the power of the Kacher circuit, but runs on the crystal frequency.
Or is that like trying to upscale, in the wrong way?
   Tito says that the receiving circuit needs to be different that the transmitting circuit.  Maybe he has a point?
   Lidmotor:  How would you loop the Docs circuits to self run???  I know that you've played around with that idea, before.So, Please share you thoughts and ideas, on that.
    Slider: Are you on vacation?
    I have a 37 meter earth ground line going from my work bench (kitchen table),  to my water well. And another 37m ground line from the well to my bench. So, over 70 meters long in total for both. Do you think that I can light my AC led bulb at my well, through this ground line? And perhaps, even return the output through the second ground line going back to my work bench, to light some bulbs, there? 70 meters total distance...  Forget about the well, for now, as it's just a grounding source.

Lidmotor

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Re: Dr Ronald Stiffler SEC technology
« Reply #898 on: September 11, 2018, 08:30:00 AM »
Nick----Years ago I worked on a Dr. Stiffler SEC project where it was looped back to the source battery,  The project was called NILS.  It did not 'self-run' but the amp draw was pretty low.  The way he did it was by tapping into an LED array off the L3 at a certain point and sending energy at that point back to the source.  The LEDs stayed on and the looped back energy just dropped the amp draw.  I think the NILS device is the one Doc tried to get a patent on but ran out of money to complete the process.
  Here is my replication of his invention with a bit of my own twist to it:  https://www.youtube.com/watch?v=Px2wS4RKNrY    Perhaps we could use this idea on the Stiffer 'Loop' setup.
 ----Lidmotor

iQuest

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Re: Dr Ronald Stiffler SEC technology
« Reply #899 on: September 11, 2018, 10:14:16 AM »
Gyula:
Appreciate your informative response and links, I had not come across the article by Alan Payne.  Yes a lot to digest but plenty there to gain a good understanding.  Thanks

TinselKoala:
Great way to model a transmission line and to visualize a standing wave, liked your Transmission Line Demonstration video and commented on it when you posted more than a year ago.  Your videos are very instructive.