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+//scilab 5.4.1
+//Windows 7 operating system
+//chapter 13 Field-Effect Transistors
+clc
+clear
+//In a FET used in a CS amplifier
+IDSS=4//IDSS=drain saturation current in mA for gate-to-source voltage (VGS)=0V
+Vp=-3//Vp=pinch-off voltage
+RL=10//RL=load resistance in kilo ohms
+VGS=-0.7//VGS=gate-to-source voltage
+gmo=-(2*IDSS)/Vp//gmo=transconductance in A/V of a JFET when VGS=0V
+gm=gmo*(1-(VGS/Vp))//gm=transconductance
+AV=-gm*RL//AV=the small signal voltage gain
+disp(AV,"The small signal voltage gain is =")
+//Decimal term in the answer displayed in textbook is incorrect as 2.04*10=20.4 and not 20.04.