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diff --git a/863/CH7/EX7.6/Ex7_6.txt b/863/CH7/EX7.6/Ex7_6.txt
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+//Caption:Design a astable multivibrator using 311 comparator
+//Ex7.6
+clc;
+clear;
+close;
+V=12//Supply voltage(in volts)
+f=3//Frequency(in Khz)
+Ib=250//Base current(in nA)
+R2=1//Selected resistor(in kilo ohm)
+I4=100*Ib/1000
+Vr4=V/3
+R4=Vr4*1000/I4
+R3=R4
+R5=R4
+Ir2=V/R2
+Ir1=100*Ib/1000
+Vr1=Vr4
+R1=Vr1*1000/Ir1
+t=1000/(2*f)
+C=t*1000/(R1*(log (2)))
+disp(C,R5,R4,R3,R2,R1,'Circuit components required to design the circuit are R1,R2,R3,R4,R5(in kilo ohm) and Capacitance(in pF)=')
+\ No newline at end of file