In the biMOS Darlington amplifi er of Fig. P4.27 let M have k9 5 100 A/V2 , Vt 5 0.5 V, 5 0.2, and let Q have 5 100 and VBE 5 0.75 V. (a) Assuming 5 0 and VA 5 `, fi nd WyL as well as VG such that the...

In the biMOS Darlington amplifi er of Fig. P4.27 let M have k9 5 100 A/V2 , Vt 5 0.5 V, 5 0.2, and let Q have 5 100 and VBE 5 0.75 V. (a) Assuming 5 0 and VA 5 `, fi nd WyL as well as VG such that the lower limit of the linear output range is vO(min) 5 1.5 V, and the output node is biased in the middle of the range. (b) Find a 5 voyvi .