DC Analysis of MOS Advanced Active Load

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written 7.3 years ago by

vedantchikhale • 900

• modified 6.5 years ago

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Figure (a) shows a MOSFET cascode amplifying stage with a cascode active load. The small signal equivalent circuit is shown in figure (b) where Ro3 is the effective resistance looking into the drain of M3.

In cascode current mirror,

$R_{o3}=r_{03}+r_{04}(1+g_mr_{03})$

We can assume all transistors are matched so that the …

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