1ElectronicCircuitsandSystems EEE211Problempaper1Problemsextractedfromtherequiredtext[DonaldNeamen3rdEd.]Note: TheanswersgivenhereuseVT?0.025VwhilstthosegivenbyNeamenuse0.026V.Notice:MaterialsforTextwillbesupportedfromnextlecture.Mid-termExam:2hours/NoMCQCasioFS82ES/83ESisallowed.

2TransistorequivalentcircuitsIfthetransistorparametersareβ=180andVA=150V,anditisbiasedatICQ=2mA,determinethevaluesofgm,r?andro.(80mA/V,2.25k,75k)Q1[Q6.1](a)(b)Repeatpart(a)ifICQ=0.5mA.(20mA/V,9k,300k)Q12ElectronicCircu