NOTE: High voltage power supplies are very dangerous circuits which should only be built by persons who know exactly what they are doing and do it safely. High voltage power supply can easily kill you if you do mistakes with it.
- 0 - 300V Adjustable Power suppy for safe experimenting - This simple circuit which can provide an adjustable voltage source of 0 to 330 Volt. This supply is short-ciruit proof: the current is limited to about 100mA.
- Adjustable high voltage power supply - up to 20 kV from 5-24V
- High-voltage circuits for electrostatic microphones - circuits that can generate the required high-voltage (50..300V) for electrostatic microphones used in bat detectors
- Regulated Vacuum Tube Power Supply - Here is a fairly simple regulated power supply circuit using a zener reference and a series pass transistor to power a vacuum tube microphone preamp project. This circuit outputs regulated 250-300 VDC.
- Sam's Schematic Collection of various circuits - includes some high voltage circuits
- Simple High Voltage Generator - Low Voltage DC In, up to 30 KV Out
- 25-kV generator tests insulation - a car ignition coil can function in place of a high-voltage transformer to make high voltage source
- Air Ionizer - 230V AC are changed in DC and they are multiplied in + 6500V roughly
- Auto Air Purifier HV Generator - operates from 12V
- Cockcroft-Walton Diode Voltage Multipliers - this document describing some basic voltage multiplietr circuit topologies, pdf file
- Electronic Air Cleaner HV Generator - operates from mains voltage
- High Voltage Generator - capable of generating up to 50KV, frequency of operation is around 1.2KHz
- High Voltage Generator for Low Current Applications - pdf file
- High Voltage Generator for Flash and Geiger Tubes - very low battery current, pdf file
- High voltage supply: 12VDC in, 12KV out
- How Van de Graaff Generators Work - Most of us have seen the device, known as a Van de Graaff generator, that makes your hair stand on end. The device looks like a big aluminum ball mounted on a pedestal. Have you ever wondered what this device is, how it works, why it was invented, or how you might build one yourself?
- Low power 12000 volt power supply - draws power from the 120vac power line but it uses a small 6KV camera flash trigger coil, output signal is isolated from the power line, circuit can only deliver about 5uA of current, pdf file
- Negative/Positive Ion Generator - Ion generator powered by 110-240V mains supply. It uses the standard Cockroft-Walton multiplier circuit - a ladder of diodes and capacitors to pump the output voltage up to the level required.
- Super cheap 1500V power supply (small LASER supply)
- Tiny tiny inverter design - little efficent circuit that runs off of 3V, and charges up a little 1 uf 250V cap all the way up in about 30 seconds
- 4kV-5kV 2000VA AC power supply - uses two microwave oven transformers
- High Voltage High Current Power Supply - lots of power form microwave oven transformer
- Kevin's Strobe Schematics - 12 V to 300 V inverter for high repeat (1-10 times in second) rate medium power strobes
- Bangbox - a high energy ignition system which produces bangs
- Bug Zapper
- How to make a Jacob's Ladder - A Jacob's Ladder is the type of high voltage display seen in many old (and usually bad) sci-fi movies. Here is info on a common type that is easy to construct with readily available parts.
- Ignition coil driver - A very simple circuit that will provide high voltage (15-40kV) sparks using a common ignition coil. The input is 12VDC at around 5 to 6 amps.
- Ignition Coil Driver - This circuit takes +12V up to 6A and drives a car ignition coil. Both frequency and drive pulse width are adjustable in this circuit.
- Ignition Coil / Flyback Transformer Based high voltage generators - This page gives my thoughts on how to use a car ignition coil or flyback transformer as a high voltage generator. The objective is to produce as high a voltage as possible, with as high a power throughput as possible.
- Jacob's Ladder - dangerous special effect seen in old horror movies
- Miniature Jacob's Ladder
- POWERLAB's Single Transistor Flyback Driver - detailed description on preparation of flyback transformers (with pictures) and driving circuit
- Range, oven, and furnace electronic ignition Schematic - generates sparks from mains voltage
- Simple High Voltage Generator - This is a very simple ignition coil driver circuit which can probably be built with stuff from your junk box. Circuit examples woerk from 230V AC and 120V AC.
- Simple nitrogen spark generator - nitrogen or air sparks are very powerful light sources that produce flashes that last only a few nanoseconds, this 120V AC line powered circuit generates a continuous series of very small sparks across electrodes with a 0.05 inch gap, pdf file
- Single Transistor Flyback Driver - simple source of high voltage at high frequency
- Stun Gun Fun - A site with a stun gun circuit
- Stun Gun Project - This stun gun is powered by a 9V battery. The transformer steps up the voltage to about 1800V (but with very low current).
- Stun Gun Schematic
- 500,000 Volt Tesla Coil - 18" sparks
- Cheap and Quick Tesla Coil - uses neon transformer and spark gap
- Homepage of K.Ukkonen - lost of Tesla Coil links
- Jochen's High Voltage Page
- Make myself a Tesla Coil
- Matt Behrend's Tesla Coil Web Site - This site is devoted entirely to the high voltage technology discovered by Nikola Tesla over 100 years ago. This site was created for the purpose of providing useful information to anyone who is interested in actually building a Tesla coil, or just curious about the technology.
- Nikola Tesla Page, tesla coils
- Solid State Tesla Coil/High Voltage Generator
- Tesla Coil Calculations - coils and capcitors
- Tesla Coil Mailing List Page - The tesla coil mailing list covers the topics of tesla coil construction, operation, measurement, and use. Topics range from sources of materials, opinions of commercial tesla coil kits, measurement of electical fields, photography of coils, construction techniques, etc.
- Tesla Coil Page
- Tesla coil pictures
- Tesla Coil Safety Information - This document is provided to assist the amateur in understanding the significant dangers associated with tesla coils.
- The Electrum Project - some technical information about a very large tesla coil project
- TUBE-type Oscillator-Driven Tesla Coil
- Capacitor Discharge Ignition Circuit (CDI)
- Circuit to Get High Voltage from an Ignition Coil
- High Frequency Plasma Circuit - circuit utilzes a flyback transformer that has wire windings added to its ferrite core to make high frequency high voltage, transformer is driven into resonance at 20 to 170Khz
- High Voltage Experimenter's Handbook
- Ignition Coil \ Flyback Transformer Based high voltage generators - Flyback transformer driver circuit with protection/advanced features
- Jochen's High Voltage Page - lots of high voltage circuits and experiments
- Measuring high voltages - simplest way to get at least a rough value of tension is to measure the maximum distance the voltage can arc over
- Pulse Generator Schematic - Can be used to evaluate high voltage pulse characteristics of zeners and MOV'
- Sam Barros' Powerlabs - tesla coils, high voltage experiments, microwave, chemistry, cryogenics
- Science & Technology of high voltage generators - A page on high voltage multipliers, a circuit on driving flybacks (with a large capacitor as protection) and power supplies
- Snock's High Voltage Page - detailed explanation on flyback, ignition coil circuits and pictures of various transformers
- Solid State Tesla Coil/High Voltage Generator
- HeNe laser power supply
- Tiny tiny invertor design - run off of 3V, and charges up a little 1 uf 250V cap all the way up in about 30 seconds
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