For the following circuit, assuming that the transistorswork in the active zone,determine:a) Voltage gain Vo/Vib) Input impedance Zic) Output impedance Z0
vi Vcc =2 Zi R3 6.8kQ Hi R1 12kQ Q1 R2 ww 33kQ (8) R4 0.156KQ C2 HE C3 Q2 R6 2.7kQ hfel=hfe2=hfe3= 100, hiel-hie2-hie3= 1K R5 ww 27kQ R7 3.5k0 Q3 Vo R8 0.1kQ: Zo HE + C4