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High Voltage Pulser
I built this device outside of school to test out the effects of high voltages at low currents. It is basically a pulsating high voltage power supply. It is provided with 12VDC power by several AA batteries, which it uses to create an oscillating signal, which is passed through a high voltage transformer that increases the voltage to several thousand volts. This voltage is applied to a voltage multiplication circuit, composed of 15KV capacitors and 22KV avalanche diodes.
The voltage (~100,000 Volts) in this circuit was so high that it caused coronas to form around the solder joints in the multiplication circuit. It was able to generate lengthy electrical arcs and ionize the surrounding air. It was rather interesting feeling the wave of ionized air strike me and cause my hairs to stand up.
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