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yes, that is right. But to maintain the gain, there is only small range of trade _off but that is meanless.
Because no matter I reduce the size of that cascode MOSfet the gm will fall down or increase the size the para cap will go up.If I increase the current the Gain will be reduced by the...
Specs;
DC gain 60dB
UGB 50MHz
PM >60
VCC 2.5V
I am working on this design and DC gain & UGB is already fulfilled the spec,but the PM is always around 30 deg.
Because the sec pole is right at 63MHz and cannot be moved right(high freq).
I know the sec pole coming from the folding point, but no...
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