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Frequency to voltage converter

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siddarth.ghaste

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Hi all,
Please anybody tell me the concept of frequency to voltage converter.If possible with circuit diagram.I want to measure frequency of main signal of 50Hz....
 


This circuit looks good as given by Jestin...
 

Jestin_cubetech said:
**broken link removed**
**broken link removed**
https://www.circuitstoday.com/f-to-v-converter
Click to expand...

This one gives current.there will be need of I to V converter

- - - Updated - - -

siddarth.ghaste said:
This one gives current.there will be need of I to V converter
Click to expand...

I tried second link(https://www.circuitstoday.com/f-to-v-converter)
for 10Hz change in frequency i am getting 0.01V change in output.This will be difficult to read in ADC.Can you please help me to make this for 0.1V change for 0.1Hz
 

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