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GATE ECE 2008 | Question-44

For the circuit shown in the following figure, transistors $\text{M1}$ and $\text{M2}$ are identical NMOS transistors. Assume that $\mathrm{M} 2$ is in saturation and the output is unloaded.


The current $I_{X}$ is related to $I_{\text {bias }}$ as

  1. $I_{x}=I_{\text {bias }}+I_{S}$
  2. $I_{x}=I_{\text {bias }}$
  3. $I_{X}=I_{\text {bias }}-I_{S}$
  4. $I_{X}=I_{\text {bias }}-\left(V_{D D}-\frac{V_{\text {awI }}}{R_{E}}\right)$
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