Resistive Load -2 Gain-Method 1:Small-Signal Model o Vout (d) This is assuming that the transistor is in saturation,and channel length modulation is ignored. The current through Rp: i。=gnVx ·Output Voltage: Vum=-i。·R,=-gn·y·R。 。·Small--signal Gain: A==-g·R。 705/242020/3/24 12