Dr Ronald Stiffler SEC technology

[gyulasun]

Hi Fausto,

I think if you go through some papers by Dr Stiffler, you can get closer to his way of thinking.  Perhaps start with this paper here (8 pages):
http://lust-for-life.org/Lust-For-Life/_Textual/RonaldRStiffler__AnEfficientMethodForDrivingLEDArraysFromASpatialEnergyCoherenceExciter_8pp/RonaldRStiffler__AnEfficientMethodForDrivingLEDArraysFromASpatialEnergyCoherenceExciter_8pp.pdf

and also see these attachments here: https://overunity.com/17249/dr-ronald-stiffler-sec-technology/msg511862/#msg511862

Now why the 13.6 MHz (or perhaps 13.4 to 13.6 MHz) ?

It comes from the Doc's theory on Spatial Energy Coherence...  and L3 is deliberately designed to have self resonance at that frequency (notice the resonance should be achieved under the loaded condition in a full setup).


Some useful links on his circuits others here may find useful too:  http://www.tuks.nl/Mirror/Dr_Stiffler/SECDrivers.htm.html
http://www.tuks.nl/Mirror/Dr_Stiffler/SECExciter.htm.html

Gyula

[mikrovolt]

I showed several tank circuits so that building is possible either BJT or mosfet big or small for ease of building.
today I will give some values related to matching up impedance with the digital signal generator. More specifically
coils that work with crystals and the AD9850. Not to be confused with building an amplifier stage for boosting SG.
I am giving you a way to make a proto type platform instead of messing directly with digital SG such as 2n2222A
http://telecnatron.com/articles/Variable-Gain-Amplifier-For-AD9850-DDS/index.html

The L3 has an impedance of 849 ohms designated by the letter Z. The L1 new design became the 10uH wound
on the sewing bobbin. Because the SEC exciter operates as a negative resistance exciter it takes advantage of the
reverse region of the IV curve. Also operating includes capacitive coupling taking into effect the open system even
wireless in some cases. 13.6 is not really magic. We identify the series on the spectrum analyzer because the first
harmonic we subtract some and so on. Changing the Ca and Cb values that the doctor calculated for the
SEC negative resistance demonstrates another  workable frequency. This 13.4 helps keep us out of trouble
it works good also. The latest revise documentation for SEC will make much of this clearer for those working with it.
The combination of many things contributes to the performance (not really magic)

I am posting crystal and oscillator tank values. I am posting the calculator links so you can plug in values and the
impedance might become second nature. I think the easiest is working smartley with the hartley. (getting tiny, coils .125 dia )
in this way the crystal circuit will be same impedance as the AD9850  better chance everyone gets the same results
when they match will improve overall project goals. Also working the crystal circuit rather than AD9850 and other SGs
will not get damaged in the process of boosting output.

tank for 13.4 Mhz 117 pF and 1.2 uH z=100 ohm    L= .125 in. dia, 44T #28 .6 in long hope you can plug in these values

These are the on line calculators I used to derive these values:
http://www.pronine.ca/lcf.htm
http://crystalradio.net/professorcoyle/professorcoylecyl.shtml

Quotation from Von Braun:
Can a physicist visualize an electron? The electron is materially inconceivable and yet, it is so perfectly known through its effects
that we use it to illuminate our cities, guide our airlines through the night skies and take the most accurate measurements.
What strange rationale makes some physicists accept the inconceivable electrons as real while refusing to accept the reality of a
Designer on the ground that they cannot conceive Him?
In letter to California State board of Education (14 September 1972)

[Slider2732]

Lots of great links and many thanks to all !

iQuest - Great to see you have posted. Am presently going through yours and uV's advice and hopefully others are getting more familiar with what makes these exciters different to other designs.

uV - A very good amplifier and excellent description of its operation in that link. I've saved the circuit diagram and intend to build it by the time the replacement AD9850 arrives. Have to find a JFET for one thing.
As you say though, driving possibly overloading experimental apparatus is best done with the crystal circuit. My derivation 3 coil exciter will be continued with because of those thoughts...its MPSA18 can blow up and not take a couple of minutes to replace...not the same with the AD9850 and especially not this one as it's on its way from China ! The original order was pricier because it was a fast Amazon delivery.

[erfandl]

Hi all. today the parts received. I build the 13.56 mhz circuit but it cannot be working ! the transistor is MPSA18. is problem from coil ? the coil is from tesla musical module

[Ed morbus]

How much volts do you use
where is the 1000 uH coil
and for what you use 1 K ohm resistor