For a p-channel enhancement-mode MOSFET, (k_{p}^{prime}=50 mu mathrm{A} / mathrm{V}^{2}). The device has drain currents of (I_{D}=0.225

Question:

For a p-channel enhancement-mode MOSFET, $k_{p}^{\prime}=50 \mu \mathrm{A} / \mathrm{V}^{2}$. The device has drain currents of $I_{D}=0.225 \mathrm{~mA}$ at $V_{S G}=V_{S D}=2 \mathrm{~V}$ and $I_{D}=0.65 \mathrm{~mA}$ at $V_{S G}=V_{S D}=3 \mathrm{~V}$. Determine the $W / L$ ratio and the value of $V_{T P}$.

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