Issacsutt

modified 2 years ago

RC Oscillator with Variable Frequency

259

06:25:49

Phase shifting RC oscillator that can be tuned to a frequency between about 30 to 70Hz. Special thanks to Jason for all the help

published 7 years ago

LeButch

7 years ago

Nice one

you_are_all_gay

7 years ago

Shit

you_are_all_gay

7 years ago

Also LeButch is paedophile

Issacsutt

7 years ago

Haha

Issacsutt

7 years ago

Thanks though

jason9

7 years ago

Good. What other kinds of oscillators can you create without looking at specific schematics? I wonder what you can come up with. Maybe we can play a little game where you make an oscillator and I name what type I think it most likely is. You can use series RC circuits, parallel RC circuits, combinations of the two, chained RC circuits (like what you have here), and other RC things like filters as well as LC circuits for the phase shift.

jason9

7 years ago

Also, why is everybody calling @LeButch a pedophile? And also these people are all new, like this @you_are_all_gay guy joined 11 hours ago. Maybe it’s one person making many different accounts?

crake

7 years ago

It's got to be the same person

Issacsutt

7 years ago

Sounds good Jason, I'll see what I can come up with. Not sure who's doing all that either, (there seems to be more and more stupid people joining every day who don't know or care what the fuck there doing though) but I think it's likely the same person too. Happyflapper was the first to point it out, then that gay guy, and somebody else I can't seem to remember

LeButch

7 years ago

It is a petty...

Issacsutt

7 years ago

Is it true though?

Issacsutt

7 years ago

Ok Jason, here's oscillator # 1, I also posted it: http://everycircuit.com/circuit/5183829565505536

chriscuz83

7 years ago

I have an old record player that runs 5% too fast using an induction motor with wall supply single phase 50Hz 240V. I was wondering how easy it would be to use a circuit like this with an op amp to create an AC 240V supply at 45Hz? I am no sparky, sorry i am a structural engineer with an interest in electronics.

chriscuz83

7 years ago

Sorry i meant 47.5Hz

Issacsutt

7 years ago

I think just a simple capacitor should do it, maybe in series with a resistor, both rated to handle 240V/whatever wattage, and with the right component values it should reduce the frequency enough for you.

Issacsutt

7 years ago

You can double check with hurz if you want, I'm no engineer just yet, but hopefully I will be in the near future

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