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Looking for circuit to calculate RMS value of an AC voltage

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dodonet

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I need a simple circuit to calculate rms value of an ac voltage or any important sites or books
 

rms value calculation

u want a calculation formulea or a method to sample AC voltage ? u r not clear
 

calculate voltage rms

blueroomelectronics said:
Wikipedia
https://en.wikipedia.org/wiki/Root_mean_square
Click to expand...
Thank you alot .I checked the link but i need an electronic circuit to measure it

Added after 2 minutes:

dipnirvana said:
u want a calculation formulea or a method to sample AC voltage ? u r not clear
Click to expand...
Thanks alot for your reply .I need a method to do an electronic circuit using microcontrollers to measure the RMS value of any AC voltage.(AS ac voltmeter )
 

calculate rms

You may want to search edaboard for one of the various contributions dealing with this topic, e.g.:
 

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