All The Voltage You Ever Want - DC Voltage Doubler Stacking For Ever Increasing Supply - Simply Put

The square wave driven, no-transformer voltage doubler can be a tripler, quadrupler, as much as you want with no theoretical limit, just the practical limit of what your parts can handle. All you do is stack them one after the other, like amplifier or filter stages. The more you stack, the higher your voltage goes, but the lower the load you can drive with it: Welcome to P=V*I!
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[@mathiasvermeire6068]

very nice

[@r-platt]

Couldn't you run the 10v to another pnp transistor and resistor and drive that transistor from the timer? That would double each stage instead of adding just 5v.

[@MrDrewTa2]

So, good sir. I have a 72v-84v 150A max dc supply. I want to power a 140-168 sign wave dc input controller. With ebikes and electric motors. Rpm is dictated by the Voltage and torque is dictated by amperage at that Voltage. I want to "step up" or "amplify " my Vin via this doubler concept. I have VERY large ultracapacitors. 2.8v 3v max 3000f. The cap bank that I have made that matches my Lipos V. Is 30 of these caps. And makes the bank 100F. My question is this. How would I use this doubler to double 72-84v..... to fill my cap bank to a higher voltage. I have more caps. I was trying to use a boost circuit. But its just so damn complicated at such large wattages. Seeing what you have here. If I could use this doubler I think it would work. Any help would be great;)

[@primateinterfacetechnologi6220]

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[@realchristopher4334]

Damn! The most satisfying part is seeing the line drop as the capacitors discharge! I was impatient thinking to myself 'When will it fall'.

[@amitkhulbe]

How the timer frequency effect the output??

[@3deeguy]

Never understood how capacitive voltage doublers worked. Now I do. Thanks.

[@fardreaming]

Good explanation and practical demo.

[@stevedonkers9087]

I wonder how super capacitors would affect the circuit. More dangerous I'm sure, but perhaps the ability to run a larger load.

[@simplyput2796]

More capacitance means greater loads can be driven, but you have to be able to fill that capacitance fast enough, because more capacitance equals more current to charge to the same voltage. And remember it's driven by a square wave, so you've got only half a wave to charge one capacitor and half a wave to charge the other.

[@keithking1985]

another little trick that will come in handy in the future!! P.S. have you ever seen the YT channel Kasyan TV??? he has some awesome projects for people who know electronics and hundreds of useful stuff to build!! you should check it out if you haven't seen it before!!!

[@simplyput2796]

I'll mark it down for future exploration.

[@keithking1985]

@@simplyput2796 ya won't regret it it's a great channel for people who know their stuff like your self...

[@LitesLAB]

Curious ... could you use this to boost the output of an audio signal?

[@keithking1985]

id like to know that too!! just check out the schematic again and it is amplifying a square wave signals voltage!! so id think it could..

[@simplyput2796]

You would use this to increase the rail voltage / headroom of an amplifier (like an op amp, common emitter, or whatever) and then you could feed the signal through the boosted amplifier...but only the signal. You could not use this to actually drive a speaker unless the speaker wanted milliwatts.

[@LitesLAB]

Simply Put cool! Thank you :)

[@keithking1985]

@@simplyput2796 cheers for that!

[@parapos]

great explained, thank you.

[@sasisekharmg7823]

Great video as always