design square rooter

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kavhra

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Hello ,I have designed the square rooter which is in square rooter word file, but two inputs of op-amp aren't equal respect to negative feedback as mentioned and I receive the negative output from the circuit. Can any one help me.
Thanks

 

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The image blown up is totally out of focus.

Try reposting/saving again. And look at result until ist large/clear/in focus.


Regards, Dana.
 

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Would you use an analog multiplier doing Vin*Vin, as feedback
against Vin, taking sqrt(Vin) off the op amp output?
 

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Hi,

Check whether
* square root is essential (often it can be replaced)
* you can use digital square root (more precise)

Klaus
 

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