# How possible is producing very high voltage and electric arc by a using this simple setup

I have the basic series RLC circuit in simulation below. As one can see in SPICE simulation, the output voltage at resonance frequency goes upto 1KV:

Can I really obtain that much voltage as in the simulation in practice by using a function generator and setting the input to around 1.6MHz(resonance freq.)?

Does it also produce a visible continuous electric arc if a grounded metal plate is placed in the vicinity? Or would the function generator's current will be an issue?

Or the resonance will displeasure if there will be some discharge?

I wonder what kind of practical challenges or issues I might encounter.

Edit:

2nd version with the ideas from glen_geek to make it as realistic as possible: .. I increased the inductance to 10mH. Something like this: https://images-na.ssl-images-amazon.com/images/I/414-dRJ5jTL.SX425.jpg Now I took account parasitic capacitances, output impedance of function generator ect. And increased the input voltage amplitude from 1V to only 2V. Here I still can get 1kV at 290kHz:

Is it really possible in real? If so how many mm plate gap I need to obtain a continuous electrical arc at 1KV?

• Oh I found already one. I guess the cap voltage rating will be an issue. Nov 28, 2017 at 15:27
• Your L and C are not ideal and will dissipate energy in their parasitic components. Nov 28, 2017 at 15:32
• Not a bad idea, but... this I would do it. Make a simple oscillator, replace the inductor with a transformer (1:100) and output of op-amp with a half bridge. Finish with a voltage multiplier Nov 28, 2017 at 17:08
• Yes, the "resonant rise" effect can produce high voltage at high frequency: the basic principle of Tesla coils. Tesla coils aren't induction coils; they're not based on transformer turns-ratio. Their Vout goes far higher, and is proportional to resonator Q-factor, inversely proportional to resistive losses such as sig-gen 50ohm and the coil resistance. Many of N. Tesla's coils weren't transformers, they were single coils with one end driven by a low-Z source (steam turbine and high-freq dynamo,) the other end floating at AC 10 megavolts. Nov 28, 2017 at 18:16