Common collector amplifier has an input resistance of Rin=10kΩ and load
resistance of RL=100Ω. Power gain for this amplifier is 100. What is the voltage gain
of the amplifier?
Gives
Rin=10KΩR_{in}=10K\OmegaRin=10KΩ
RL=100ΩR_L=100\OmegaRL=100Ω
Ap=100A_p=100Ap=100
Ap=AiAvA_p=A_iA_vAp=AiAv
Av=ApAiA_v=\frac{A_p}{A_i}Av=AiAp
Put value
Av=100AiA_v=\frac{100}{A_i}Av=Ai100
Ai=RLRiA_i=\frac{R_L}{R_i}Ai=RiRL
Av=104A_v=10^4Av=104
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