The three-transistor circuit shown in Fig. P3.7 is to be used as a current source. For this circuit, the 0.18-μm CMOS device parameters in Table 1.5 are used, and . a. Determine the size of transistor...

The three-transistor circuit shown in Fig. P3.7 is to be used as a current source. For this circuit, the 0.18-μm CMOS device parameters in Table 1.5 are used, and .

a. Determine the size of transistor so that .

b. What is the maximum voltage that can appear at while still keeping in saturation?

c. Keeping the device sizes the same, calculate a new value for the resistor so that .