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Author Topic: Dr Ronald Stiffler SEC technology  (Read 51746 times)

Offline erfandl

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Re: Dr Ronald Stiffler SEC technology
« Reply #285 on: June 21, 2018, 07:47:00 PM »
It was given before, but here's my version of the Simple Crystal Oscillator. I used a BC337-25 transistor, also tested it with a VHF transistor, MPSH10, which also worked well but didn't have the amplitude of the 337. I think just about any NPN would work in this circuit.

The original circuit made a signal but didn't have the ability to really drive anything. I added a 74c14 hex Schmitt trigger inverter and ran the SCO's output through 3 of the inverter stages, which helped to square up the signal and make it capable of actually driving some small load (like a mosfet driver or a transistor). The inverter is pretty slow though so this version only works best for lower frequencies. I also added some bulk capacitance at the power entry point, which also helped to clean up the waveforms, both before and after the Schmitt trigger inverter stages.

Yellow is SCO output before Schmitt trigger stages, blue is after.  Input is about 6.5 volts from a regulated PSU.
thanks for reply. what the number of quartz ? is output must be shorted together ?
thanks

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Re: Dr Ronald Stiffler SEC technology
« Reply #285 on: June 21, 2018, 07:47:00 PM »

Offline TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #286 on: June 21, 2018, 08:45:18 PM »
What do you mean the the 74 series chip is slow ?  how slow here i have a CMOS chip CD4060 with a 13.4Mhz chip it's fast I found this
in looking for 432hz multiples up to 1.3 mhz region, even a 4011 will clap away at 15mhz easy all with a 8volt power rail, you might not be so lucky
 with if using older stock.

This old bulb of Nick's they remind me of some of the old junk that worked of DC from years a go now you can get them in hard ware stores allover.
I was called a Beretta voltage dropper. I had a knowledgeable grandfather if any ones asking.



AG
That scopeshot is "scope abuse". Your signal is so clipped that the risetime measurement is likely bogus. Please repeat the test with the entire signal on the screen vertically, not clipped.
The DS1054Z does not respond well when its input preamps are overloaded.


Offline TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #287 on: June 21, 2018, 08:47:24 PM »
thanks for reply. what the number of quartz ?
For that test I used a 3.579545 MHz crystal. I have tested the circuit at up to over 18 MHz.

Quote
is output must be shorted together ?thanks
What? I don't understand what you mean. No, the output is not shorted together, what makes you think that?

Free Energy | searching for free energy and discussing free energy

Re: Dr Ronald Stiffler SEC technology
« Reply #287 on: June 21, 2018, 08:47:24 PM »
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Online NickZ

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Re: Dr Ronald Stiffler SEC technology
« Reply #288 on: June 21, 2018, 08:57:32 PM »
   AG:   Well, it's not an old bulb , it's an LED. 40 watt equivalent. Gives the warm golden white light like the older incandescent bulbs. I love that type of light. It's not all sparkly, like normal LEDs. :-[ I just wish that it would light it off of capacitance. But it does light well off of just a one wire transfer. So it might work for the diode loop. We'll see...
 As far as which schematic to build up for the crystal oscillator. I still have not decided. But I would like to be able to switch the different crystals, for varying the frequency.   There are several videos on YouTube about crystal oscillators. Yet, they have to be able to use a 24v input to the oscillator input, to drive a FET, or transistor, and be able to light some LEDs, and neon bulbs, brightly. Like I'm doing with my kacher circuit, already. Which can light even a 100w bulb, partially.

Offline TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #289 on: June 21, 2018, 09:04:27 PM »
What do you mean the the 74 series chip is slow ?  how slow here i have a CMOS chip CD4060 with a 13.4Mhz chip it's fast I found this
in looking for 432hz multiples up to 1.3 mhz region, even a 4011 will clap away at 15mhz easy all with a 8volt power rail, you might not be so lucky
 with if using older stock.

This old bulb of Nick's they remind me of some of the old junk that worked of DC from years a go now you can get them in hard ware stores allover.
I was called a Beretta voltage dropper. I had a knowledgeable grandfather if any ones asking.



AG
I used a 74C14 which is not fast enough for 18 MHz . I might have some 74AC14 chips somewhere, which have a much faster risetime (otoo 10 ns) which may allow operation at higher frequencies. Pain in butt to change the chip though because of the way I mounted it. Oh well.

Free Energy | searching for free energy and discussing free energy

Re: Dr Ronald Stiffler SEC technology
« Reply #289 on: June 21, 2018, 09:04:27 PM »
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Offline AlienGrey

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Re: Dr Ronald Stiffler SEC technology
« Reply #290 on: June 21, 2018, 09:57:42 PM »
I used a 74C14 which is not fast enough for 18 MHz . I might have some 74AC14 chips somewhere, which have a much faster risetime (otoo 10 ns) which may allow operation at higher frequencies. Pain in butt to change the chip though because of the way I mounted it. Oh well.
Thought I would try it with a 16 or 20 Mhz to see where it fell over but no it still works and a 27mhz surely not but no it still works, TI for you
with an 8v line  8) well well well 3 oil holes in the ground, that is fast :o ;D

Offline TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #291 on: June 21, 2018, 10:54:33 PM »
Come on AG, your measurements are NOT VALID if your signal exceeds the screen vertically! You are likely overloading your input preamps and you are clipping an unknown amount of data above and below what the screen shows.

To get a valid risetime measurement the scope has to see the FULL vertical span of the signal IN THE SCREEN DISPLAY. Otherwise how can it determine the 10%-90% points to measure the risetime?

But OK, you are oscillating at some high frequency. Do the tops and bottoms of your pulses look flat without ringing or over/undershoot? Impossible to tell due to your scope abuse.


But anyhow your point is well taken. If you want to use the SCO with an output buffer, don't use the 74C14 unless you are also using low (below 5MHz) frequencies.

Free Energy | searching for free energy and discussing free energy

Re: Dr Ronald Stiffler SEC technology
« Reply #291 on: June 21, 2018, 10:54:33 PM »
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Offline AlienGrey

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Re: Dr Ronald Stiffler SEC technology
« Reply #292 on: June 22, 2018, 12:25:39 AM »
No 27mhz is pushing it a bit it's more like a sign wave on pin 10.  this pic is 1.68Mhz (1.687500mhz) out of pin 7 Q4
If they have done this to a 4060 i would like to see what they have done to a 4046 !

Offline Lidmotor

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Magic at 13.56 MHz
« Reply #293 on: June 22, 2018, 12:32:24 AM »
All--- I tried that simple crystal oscillator circuit out with a 13.56 MHz crystal and it was pretty spectacular.  I ran it on a 9v battery and changed the 1K feed resistor to a 1000uH choke.  Here is the video of it:

https://www.youtube.com/watch?v=PqsVQPLXi3E

--Lidmotor
« Last Edit: June 22, 2018, 08:11:55 AM by Lidmotor »

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Magic at 13.56 MHz
« Reply #293 on: June 22, 2018, 12:32:24 AM »
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Offline TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #294 on: June 22, 2018, 12:56:42 AM »
I changed the 74C04 for a 74AC04 and that speeded it up considerably. Fast enough transitions now to cause considerable overshoot and ringing. I pulled the ground clip off the scope probe and used the little spring thing for ground instead and that cut down a lot of the ringing on the trace. (High Frequency scopologists take note.)
But of course now I'm limited to 5.5 V input, in contrast to the "C" version.

Offline Slider2732

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Re: Dr Ronald Stiffler SEC technology
« Reply #295 on: June 22, 2018, 01:07:46 AM »
Lidmotor - classic line of the day, in a good way:
Quote
The magic comes out of the woodwork
That's a very neat change to the circuit, having the 1000uH instead of a resistor.
I have a 13.5225 2 pin and it's as dead as an Icelandic rhinoceros for wireless output.
So, without an inductance meter I need to wind an exact Dr. Stiffler L3. Then presumably take a turn off, add a turn, until all the magic springs forth.


TK -  Your drive though should still be fine for switching an amplifier stage ?
It's good to know which ones are indeed speedy enough. Most of my chips are 1980's, so am missing more modern variants.

Free Energy | searching for free energy and discussing free energy

Re: Dr Ronald Stiffler SEC technology
« Reply #295 on: June 22, 2018, 01:07:46 AM »
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Offline TinselKoala

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Re: Dr Ronald Stiffler SEC technology
« Reply #296 on: June 22, 2018, 01:21:41 AM »
Lidmotor - classic line of the day, in a good way:That's a very neat change to the circuit, having the 1000uH instead of a resistor.
I have a 13.5225 2 pin and it's as dead as an Icelandic rhinoceros for wireless output.
So, without an inductance meter I need to wind an exact Dr. Stiffler L3. Then presumably take a turn off, add a turn, until all the magic springs forth.


TK -  Your drive though should still be fine for switching an amplifier stage ?
It's good to know which ones are indeed speedy enough. Most of my chips are 1980's, so am missing more modern variants.
Yes, I think I'll try to drive a highspeed mosfet driver with it. If that works out, then I'll arrange a higher voltage supply for a mosfet as the final output stage.

Offline TinselKoala

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Re: Magic at 13.56 MHz
« Reply #297 on: June 22, 2018, 04:40:18 AM »
All--- I tried that simple crystal oscillator circuit out with a 13.56 MHz crystal and it was pretty spectacular.  I ran it on a 9v battery and changed the 1K feed resistor to a 1000uH choke.  Here is the video of it:

https://www.youtube.com/watch?v=PqsVQPLXi3E

--Lidmotor
That's pretty spectacular all right.

I can't run mine at 9v because of the 74ac04 output buffer. But at 3 volts and 6.5 mA I can at least light up one little LED with the single wire from a random spool-end "coil" of wire.

And when I short out the AV plug diodes the LED goes out of course and the current drain goes down to 5.1 mA. Does this mean lighting the LED only takes 1.4 mA?

Offline Slider2732

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Re: Dr Ronald Stiffler SEC technology
« Reply #298 on: June 22, 2018, 05:16:45 AM »
Well there must be some power used by the circuit and one might think the crystal would use some...so try taking the crystal out.
 ;)
That's what I did, along with changing the 1K resistor to a 1000uH axial inductor, following Lidmotor's lead.

Ladies and gents, we have a new Exciter circuit.
https://www.youtube.com/watch?v=QE4uvw1JBb0

Offline mikrovolt

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Re: Dr Ronald Stiffler SEC technology
« Reply #299 on: June 22, 2018, 05:49:16 AM »
The crystal frequency is divided by 2. This gives is the resonance for L1.
The SEC 18 board comes with a chart for about a hundred of these series.
When the board is working correctly it is in the negative resistance oscillator mode.
there are three diodes that protects the transistor from being destroyed.
Now that the board is running switch off the crystal and use the spectrum analyzer
for final adjustment if any then the whole series is shown. They will agree with
Doctor Stiffler's video showing SA with all the harmonics. It is classed
as an ultra wide band capable of 500 Mhz. One demonstration shows large battery
being charged, the unit was drawing 200 micro amps.

The crystal oscillators can output to a remote location using an old TV coax.
Remember the 7490 can do different divisions. Most of these transformer applications apply to
center tap transformers sometime we use 2 l3 coils but also useful on slayers.
https://wiki.analog.com/university/courses/electronics/text/chapter-6
The crystal generator allows the frequency generator to be free to use as the need arises.

 

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