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Registered Member #3581
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Hi! I'm a guy from Spain, and I need your help. I want to build a solid state tesla coil, but I don't know how. I tried some circuits and schematics, but they didn't work. I have an oscillator circuit with 4046, but I don't know how connect the output on a mosfet driver (I have the IR2112). I would like that the driver don't have GDT. I need help, please.
Registered Member #3581
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Posts: 5
Hi! I'm a guy from Spain, and I need your help. I want to build a solid state tesla coil, but I don't know how. I tried some circuits and schematics, but they didn't work. I have an oscillator circuit with 4046, but I don't know how connect the output on a mosfet driver (I have the IR2112). I would like that the driver don't have GDT. I need help, please.
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
this video completely explains how to wire mosfets and igbts
Registered Member #3581
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Hello again! At the end I got a new schematic for the sstc with the cd4046 and ir2112. In the simulation, the circuit works very good, but I build it and didn't work. One of the capacitor of the power supply was burned. I doesn't know what I'm doing wrong. I need help, please. In the oscilloscope of the simulation, the Channel A is the output of the cd4046; the Channel B is the high side of the ir2112; and the Channel C is the Drain for the mosfet IRFP250. Thank you.
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
how big is your cap? does it look like this ,r:3,s:0
Banned on 1/22/2011 for repeated rule violations after multiple warnings. Registered Member #3299
Joined: Sat Oct 09 2010, 08:11PM
Location: Bantown, USA
Posts: 220
What I meant is it polorized like in the picture (like a barrel shape) thats what the schematic calls for, and all the filter circuits i've made i use polarized caps, and if they are polarized make sure they are going the right direction, that could be the root of your problem!
Registered Member #3581
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You are right, I use two polarized caps, but they are in the right direction... but my problem doesn't it the cap, I'm here because my solid state tesla coil doens't work. I think that the mosfet gate is open, don't have any resistor, so open the gate produce an shortcircuit in the mosfet, and burn the power supply.
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Help for my SSTC
