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diff --git a/863/CH6/EX6.2/Ex6_2.txt b/863/CH6/EX6.2/Ex6_2.txt
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+//Caption:Find circuit components for designing a schmitt trigger circuit
+//Ex6.2
+clc;
+clear;
+close;
+u=5//Upper trigger point voltage(in volts)
+Vbe=0.7//Base emitter voltage(in volts)
+I=2//Collector current(in mA)
+hfe=100
+Vcc=12//Collector voltage(in volt)
+Vce=0.2//Saturated collector emitter voltage(in volts)
+l=3//Lower trigger point voltage(in volts)
+Ve=u-Vbe
+Re=Ve/I
+Rc=(Vcc-Ve-Vce)/I
+i=I/10
+R2=u/i
+Ib2=I/hfe
+I2=u/i
+It=Ib2+i
+r=(Vcc-u)/It
+I1=l/R2
+Ie=(l-Vbe)/Re
+Rc1=Vcc-(I1*(r+R2))/Ie
+R1=r-Rc1
+disp(R1,R2,Rc1,Re,'Circuit components are Re,Rc1,R2,R1(in kilo ohm)=')
+\ No newline at end of file