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+//Example7.5  // to design a first order high pass filter with cut-off frequency 2KHz
+clc;
+clear;
+close;
+Af = 10 ;
+fc = 2 ; // KHz 
+R3 = 2 ; //K ohm // we assume
+R1 = 10 ; // k ohm
+// the capacitor of high pass filter is given by
+C = 2*%pi*R3*fc;
+disp('The capacitor of high pass filter is = '+string(C)+' uF ');
+
+// the voltage gain of the high pass filter is
+// Af = 1+(R2/R1);
+R2 = R1*(Af-1);
+disp('The second resistor value is = '+string(R2)+' K ohm ');
+
+
+