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two stage op-amp
I was just wondering in a two stage opamp suppose the first stage is nmos input why do we always use pmos input in the second stage or vice-versa. Can't we use nmos or pmos input in both the stages.
improve phase margin
Hi I have designed a telescopic ota. I able to get a phase of 50. I wanted to know if there is any way of pushing the non dominant pole further away so that my UGB and phase margin improves. Please suggest some texts which I could refer. Thanks
capacitance Cbd and Cdb
In the list file generated we get two capacitance Cdb and Cbd and both the values are different. What is the difference between the two?
pole zero analysis
I did pole zero analysis in cadence for a two stage op amp? But I am not able to relate these pole and zero location with the magnitude and phase plot. Can someone let me know how to read those values of poles and zeros. Does it give the exact location of the poles.
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