2- Use the cascode current-sink configuration of Fig. \( 2(\mathrm{a}, \mathrm{b}) \) to design a current sink of \( 120 \mu \mathrm{~A} \) and a VMIN of 1.2 V (Determine W/L for all transistors). Assume the device parameters of Table 3.1-2. Determine Rout Fig| 2