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diff --git a/3836/CH20/EX20.1/Ex20_1.sce b/3836/CH20/EX20.1/Ex20_1.sce
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+clear
+//
+
+//Introduction
+gm=2*10**-3
+rd=2*10**3                         //resistance in ohm
+C=10**-6                           //capacitance in farad
+R=10**6                            //resistance in ohm
+
+
+//Calculation
+G=-gm*rd                             //Small signal voltage gain
+fc=1/(2*%pi*C*R)                 //frequency in Hz
+
+//Result
+printf("\n Small signal voltage gain = %d ",G)
+
+printf("\n Low frequency cut off = %.2f Hz",fc)
+