Figure 3 shows a common emitter (CE) small signal amplifier. Assuming V BE of 0.7 V Vcc

Figure 3 shows a common emitter (CE) small signal amplifier. Assuming V _BE of 0.7 V

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Vcc = 15 V R1 4.7 kn C3 470 μF Rc 1000 N 470 µF o Vout Boc = 100 Bac = 50 %3D RL 1000 n 15 mV R2 RE1 3.3 kn 330 n{ Rg2 330 n{ C2 10 µF Figure 3 a. Draw the equivalent DC circuit (1 mark) b. Determine DC operating point (Icq and VCEQ) by using Thevenin's Method (3 marks) c. Draw the equivalent AC circuit (1 mark) d. Determine AC voltage gain (A, = Vou/ Vs) and AC current gain (A; = IJI.) (3 marks) Vcc = 15 V R1 4.7 kn C3 470 μF Rc 1000 N 470 µF o Vout Boc = 100 Bac = 50 %3D RL 1000 n 15 mV R2 RE1 3.3 kn 330 n{ Rg2 330 n{ C2 10 µF Figure 3 a. Draw the equivalent DC circuit (1 mark) b. Determine DC operating point (Icq and VCEQ) by using Thevenin's Method (3 marks) c. Draw the equivalent AC circuit (1 mark) d. Determine AC voltage gain (A, = Vou/ Vs) and AC current gain (A; = IJI.) (3 marks)