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Recent content by jsmith12
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J
How to chop straight DC?
The frequency of the pulse needs to reach about 250Hz, a resistor is not practical I think. I'm looking for an easy way to create a high side switch with an n-channel mosfet or IGBT but its difficult because I guess I have to float the voltage for the gate up to 1200V first.- jsmith12
- Post #5
- Forum: General Electronics Discussion
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J
How to chop straight DC?
1200V comes from an adjustable DC power supply. I don't think the GDT can be 1200V relative to the low side, I find it doesn't reset which allows it to sparkover again. It just stay open conducting. So I thought I could use a IGBT to put the circuit/GDT below the IGBT's source which I...- jsmith12
- Post #3
- Forum: General Electronics Discussion
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J
How to chop straight DC?
I have a high voltage DC signal I would like to convert to pulsed DC, or a sine wave for that matter. The point is to charge a cap bank which when reaching 1200V is triggered by the gas discharged tube to create a higher voltage pulse out T2 as shown. The problem is straight DC will only allow...- jsmith12
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- Replies: 4
- Forum: General Electronics Discussion
