Geri besleme yükseltgeç devresinin topolojosini bulun. gm=4(A)/(V) ro =10kR1=20k R2 =50k,R3=30k B,A,Af,Rif,Rof bulun.(Find the topology of the feedback amplifier circuit. Given: gm = 4A/V, ro = 10k, R1 = 20k, R2 = 50k, R3 = 30k Find: B, A, Af, Rif, Rof)