Single-Stage Amplifier Dongmei Li Electronic Engineering Dept. ,Tsinghua University Advanced Analog Integrated Circuits Single-Stage Amplifiers Common-Source (CS) Amplifier Source Follower Common Gate Amplifier Cascode Stage Differential Amplifiers 1 Fall, 2004 Dongmei Li Electronic Engineering Dept. ,Tsinghua University Advanced Analog Integrated Circuits Differential Pair Redefine Vin vin. DM = v ID = vin1 vin 2 vin1 + vin 2 vin ,CM = v IC = ……