Solid State Tesla Coil/High Voltage Generator Circuit

Posted on Feb 5, 2014

This is a fun and useful circuit for demonstrating high frequency high voltge. It can produce up to about 30KV, depending on the transformer used. It is cheap and easy to make, thanks to the standard TV flyback transformer used. It can power LASERS (although I have never tried), demonstrate St. Elmo`s fire, and even cause a fluorescent bulb to ligh

Solid State Tesla Coil/High Voltage Generator Circuit
Click here to download the full size of the above Circuit.

t from as much as 2 feet away. 1. T2 is a high voltage flyback transformer salvaged from an old TV, or ordered from Fair Radio Sales (see Where To Get Parts). Look for the biggest, most intimidating transformer you can find. Old tube TV`s are a good place to look. The transformer should not have a rectifier built in. 2. You will need to rewind the transformer`s primary. First, remove the old primary, being careful not to damage the high voltage secondary. If the transformer is wound with all windings incased in plastic, use another transformer. Second, wind on 5 turns of 18 AWG wire, twist a loop (center tap), and then wind on 5 more turns. This becomes winding C-D. Now, wind on 2 turns of 22 AWG wire, twist a loop, and wind on 2 more turns. This becomes winding A-B. 3. Q1 and Q2 will run HOT if not used with a large heatsink. After the circuit has been running for a minute or two, you should still be able to put your finger on the transistors without being burnt. Also, R1 and R2 will run hot. 4. If you experience arcing on the exposed transformer leads, select a lower voltage for T1. If you are powering the circuit with a power supply (see Power Supply ), just crank down the voltage. The first picture is the high voltage generator without the voltage multiplier. Notice how hot the arc looks. The second picture is the high voltage generator with a voltage multiplier installed. Notice how much brighter the arc is. The above...

Leave Comment

characters left:

New Circuits



Popular Circuits

The KD2BD ATV AM Video Modulator
humidity sensor circuit II
ultrasonic mosquito repeller
Nokia N73 Display Lights Problem Picture Help
vhf dip meter
Big vacuum tube tesla coil with GU-81M
Commodore 64 Cassette Interface
Supercapacitor charger electronic circuit using LTC3625
Rear Fog Lamp For Vintage Cars
Bidirectional motor control
Hi-fi amplifier 80Wx2
500A-6V single-phase power supply circuit Thyristor electroplating
Rain alarm schematic circuit diagram