The circuit given in Fig. QB3 has the following properties: Vin = 20V, Rs = 1 ko, R1 = 200, R2 = 800, R3 = 2 KO, RL = 10
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The circuit given in Fig. QB3 has the following properties: Vin = 20V, Rs = 1 ko, R1 = 200, R2 = 800, R3 = 2 KO, RL = 10
The circuit given in Fig. QB3 has the following properties: Vin = 20V, Rs = 1 ko, R1 = 200, R2 = 800, R3 = 2 KO, RL = 100, Vz = 5.6V, Bdc = 100. 1. Explain the function of this circuit? [2 marks] ii. Calculate Vf, Vout, Ic2, 1b2, and ici. (10 Marks) ili. If the max current allowed by the zener diode is 25mA, is it safe? [3 Marks) iv. Estimate the power consumption by Q2 and Zener diode. (5 Marks] v. The max power allowed for Q2 is 2W, calculate the minimum RL needed in the circuit [5 Marks) + I$2_02 R3L IL RSL I(RS) (R3) Ib2 Ich RI + Vin RL Vout 017 + vzm v R2 Fig.QB3
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