how design cascode transistors of fully telescopic OPAMP?

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chichi

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i want to design a low noise fully telescoic opamp, the low noise is very important, so i must design it from noise equation, i know how to design the input transistors and load transistor, only that i have no idea to design the two pairs cascode transistors in order to minimize the whole input refered noise..plz help me..
 

Re: how design cascode transistors of fully telescopic OPAMP

chichi said:
... i have no idea to design the two pairs cascode transistors in order to minimize the whole input refered noise.
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Below pls. find a few papers which may be helpful!
 

Re: how design cascode transistors of fully telescopic OPAMP

thanks a lot, that´s really helpful
 

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