Inverting and non-inverting inputs of cmos opamp

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WillMakeItHappen

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Hi all,
What's your way of recognising the inversting and the non-inverting inputs of an amplifier ?
The NMOS or PMOS are always inverting, no matter their region of operation ?
Thank you!
 

If you are talking about the circuit, then you go from the input to output stage by stage and count all the signal inversions. An even number is the non-inverting input and and odd number is the inverting input.
 

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