Electronics > Beginners

Circuit to lower Sine wave frequency

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Alfgan:
Hello everyone!

I have a question. Is there a circuit or component or chip that lowers sine wave frequency?
For example I wave a supply of 100Hz 20V sine wave and I need 40Hz 20V sine wave... what circuit or component would make it possible?

Thanks
Have a good day!

jhpadjustable:
For what purpose?

ogden:

--- Quote from: Alfgan on October 31, 2019, 08:14:18 pm ---For example I wave a supply of 100Hz 20V sine wave and I need 40Hz 20V sine wave... what circuit or component would make it possible?

--- End quote ---
System containing rectifier + inverter would do the job. Not trivial "circuit" at all.

Alfgan:
I was only interested if it is possible.

ratatax:
An approximation could be to saturate the sine wave to make it square, then use a flip-flop to divide its frequency by 2 and smooth it to make it look sine again (will probably be a bit dirty though, and it's for signals, not power)

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