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+clear;
+clc;
+//Example 7.10
+fT=500;
+Ic=1;
+b=100;
+Vt=0.026;
+C2=0.3*10^-12;
+fB=fT/b;
+printf('\nbandwidth=%.3f MHz\n',fB)
+gm=Ic/Vt;
+printf('\ntransconductance=%.3f mA/V\n',gm)
+fT=500000000;
+gm=38.5*0.001;
+C1=gm/(fT*2*%pi)-C2;
+printf('\ncapacitance =%3.2eF\n',C1)