Kapanadze Cousin - DALLY FREE ENERGY

[Hoppy]

Nick,

Can you increase the 'effect' (both bulb brightness and stronger fluctuations with hand movements) by disconnecting one side of the push-pull and at the same time reduce the mosfet heating? Try disconnecting one side at a time to see on which side the 'effect' is best. Disconnect at the mosfet gate. I achieved a better 'effect' by running on a single mosfet.

[Void]

Hi Nick. It does look like what you are getting in the yellow trace is unwanted
oscillations, which are also known as parasitic oscillations. I personally don't think
this is the kind of effect you are looking for in these type pf circuits, and it is a good
way to kill transistors, as you know. 

The duty cycle measurement will not work well if the square or rectangular waveform is
not fairly clean, so that may be the problem there. Also if a waveform is very jagged
or irregular, it can be hard to get stable triggering on your scope. In such a case you can
try triggering on the other scope channel if it has a cleaner or more regular waveform.
Try different trigger level settings to see which trigger level works best.


lost_bro: In one of your scope shots it looks like you possibly may have been picking up
something like a clock signal from some electronic equipment near by, as it looks like
a rectangular wave.

[Void]

Hi lost-bro. For comparison, I made a few scope shots of lissajous figures.
One combining two sinewaves of different frequencies, and the other two
of amplitude modulation. The amplitude modulation ones are somewhat similar
to your double circles, so it seems they may well have been due to the amplitude modulation
you were getting from the two different signals seen in the time domain scope shots.
All the best...

[NickZ]

Nick,

Can you increase the 'effect' (both bulb brightness and stronger fluctuations with hand movements) by disconnecting one side of the push-pull and at the same time reduce the mosfet heating? Try disconnecting one side at a time to see on which side the 'effect' is best. Disconnect at the mosfet gate. I achieved a better 'effect' by running on a single mosfet.

   Hoppy: 
   I've been trying to get the Radio Moscow signal back, which I still have not been able to do. As there is something different and special about that condition. But, I'm trying to get the same effect without going into the avalanche. As that is a no no, and can't be the way to success. I can easily tell which fet is avalanching, just by looking at the scope. And of course it has higher output, up to 350v. But, that output is not where the magic lies, but is where component failure happens, instead.

   Apecore has already tested your idea of running on a single fet, and has made a video of it. I'm not into doing the same tests. If only one fet was better than both fets, these devices would be made using only one. But, they aren't, so, I don't see the point.
I would like to see someone outputting several hundred watts, and not heating up their fets. And also being able to produce use able and adequate output, and not just barely lighting the bulbs, at 20% of normal grid lumin levels. Like Geo has been showing, limited to only 5 amps, no matter how many bulbs he has connected up. Yes, he could light a 50w bulb similar to the grid lit bulb.
But, not the 100w, 500w, nor 1000w bulbs.
   
   Itsu mentioned that he can run his yoke/grenade set up without heating of snubbers. But, the heating comes mainly when the Kacher is also fired up at the same time. Which he can't test for, as yet.
   Now I undestand Itsu's point, as in one of my tests, my PC speakers which at the time was connected to my cell phone to listen to some music on, started making strange interference sounds. It's located about 3 meters away from my device.
   
   So, Itsu. What steps should be taken to protect my new scope from the dangers of HV. As I'm pushing 5000 to 8000 volts from the Kacher's output.
   
   I've also found that I can get into the avalanche setting at almost any voltage level, even between 150 to 200 volts. But, now I don't see any benefit in letting it run in that way. As there is NO extra light output, at least not very much, only lots of extra heating of the snubbers or fets. So, I will discontinue looking for magic where there is none. And focus on getting Radio Moscow back, which is "lost in space", still.
Danger, Will Robinson. Danger...

[Hoppy]

Nick,

It will be interesting to see your scope shots when you find RM mode again.