This circuit uses a 555 timer IC to pulse a power transistor with square wave at a frequency that is set by the capacitor and the potentiometers. Here are some interesting tests using the multiplier: I’ve built mine in a plastic CD box, this way I can add liquid wax for better insulation. To understand how it works, you can read more on it here. You can hook it to any flyback secondaries that doesn’t have built-in rectification (diodes or multipliers).Ī very easy to build design is the Villard cascade voltage multiplier: If the flyback doesn’t provide the voltage you require, a solution is to build a voltage multiplier. However this too is prone to failure due to the transistor limitations.Ī large heatsink is required as well. You can use 2 x 2n3055 transistors in a better circuit that provides more power. It uses a power transistor (2n3055) and two coils: a primary and a feedback on a flyback ferrite core.Ģ. Probably the very first high voltage device built by any enthusiast. Be careful if building any of these, high voltage can be dangerous! 1. Here is a list of high voltage power supplies with schematics and construction details, going from simple to complex.
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