artI,DevicesandBasicCircuits,includesthemostfundamentalandessentialtopicsforthestudyofelectroniccircuits.Atthesametime,itconstitutesacompletepack-ageforafirstcourseonthesubject.TheheartofPartIisthestudyofthethreebasicsemiconductordevices:thediode(Chapter4);theMOStransistor(Cha