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Registered Member #135
Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
Some of the stuff I'm still working on, 30KHz to 500KHz 200W amp.
20W Class A Preamp driver, Broadband non-isolated and isolated Phase Splitter, and 200W Brick unit here. I can't really qualify it for full 200W because the meter goes to 150W, but I believe it will go close to 200W peak power. It's probably not 200W throughout its useful bandwidth, but I'll have to see where this leads me, it should prove to be interesting. I'd like to see this whole thing setup as a finalized amp, sweep it, and see how it measures up.
I was playing with the amp a little last night and set part of the wood base on fire! XD heheh. Gotta be careful with this RF energy now that its getting to big numbers! What I thought was interesting here is that being driven from a coupling loop, the TC secondary is absorbing a particular amount of energy and at a critical point, forces the driving loop into heavy compression. I want to study this saturated mode a bit more further down the road. Also I want to make a horrendous power amplifier right now.. heheheh. The one I have right now is 2 pair, and I want to double that! Should prove to be very painful when it comes to RF burns. I would also like to further investigate something very interesting, the coil's particular frequency is 256KHz, but driving at 175KHz causes a harmonic emission at 256KHz with a peak much greater then the source peak. I can't really do much about it now because the amp gets very hot within my time limit, but hopefully future improvements will allow me more time to play. .
Registered Member #1643
Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
Heh..Electrothermal guns are fun..
Upgraded to PVC Now, 200V.
It appears, one string in that 200V picture went off the view of camera. No load, but man was that a loud bang. I have shot marbles at 200V and they made a mark in my wall 7ft away, at a 45 angle, then the bounce off the wall, and hit my desk.
32 camera capacitors, charged to 150V...discharged to a small peice of foil, on 2 copper contacts, in the PVC pipe..most shots here had a marble being fired.
Registered Member #902
Joined: Sun Jul 15 2007, 08:17PM
Location: Pacific Northwest USA
Posts: 1042
I always wondered what ten thousand pennies looks like, I guess it has to do with my obsession for ridiculous numbers:
[br
EDIT: I did a little weighing, and these things LITERALLY weigh as much as they are worth: they weigh 61 pounds, they are worth 61 pounds - I love the way numbers work out!
Registered Member #1361
Joined: Thu Feb 28 2008, 10:57AM
Location: Cairns, Australia
Posts: 305
I had one of those explode overhead once, had a nice glass shower, however the main filament remained in place blasting me with an intense white light, which caused me problems when I was trying to find the switch to turn it off! :-/
My new tornado machine, it's 1.8 metres tall (Will make a seperate thread for this once I have completely finished it)
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