Parameters for D, D2 and D3 are, Is-110-A, Vzk1=4.7V, Izmin1=1mA, Is2=210-A, Vzk2=3.3V, Izmin2=2mA and Is3=310-3A (VT-25.9mV @ T-300K). Please mention the region of operation for all diodes for each part below. a) By using constant voltage drop (CVD) model (with VDO-0.7V) for the diodes (except in Zener region), determine the condition VI voltage should satisfy, i) to operate D in Zener region, ii) to operate D2 in Zener region. V b) Use CVD model (except in Zener region) to find iD1, iD2, ID3 for i) VI 3V, ii) VI 9V, iii) v1= -3V, iv) VI = -9V. c) Use exponential model (except in Zener region) to find the VI value which sets i) iD1 = 2mA, ii) iD1 = -2mA. RA 47052 D2 D3 RB D 5602 1k82