d) A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance g = 60 mS (equivalent to mA/V) and drain source resistance, as is so large it may be neglected. 1) Calculate the open circuit voltage gain Av=XX/ Vin 11) The amplifier has a load of 10 kn. Determine the current gain A =j/ju Vcc = 12 V 150k 4k3 Vin 200k Figure 4b HH 2k6 GND = 0 V Vou