1 files changed, 18 insertions, 0 deletions
diff --git a/226/CH8/EX8.5/example5_sce.sce b/226/CH8/EX8.5/example5_sce.sce
new file mode 100755
index 000000000..14f5cfe86
--- /dev/null
+++ b/226/CH8/EX8.5/example5_sce.sce
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+//chapter 8
+//example 8.5
+//page 319
+printf("\n")
+printf("given")
+R1=100*10^3;R2=47*10^3;Re=4.7*10^3;
+Cbc=5*10^-12;Cbe=24.4*10^-12;hfe=50;hie=1.3*10^3;hib=24.5;rs=hib;rs=600;
+disp(" common emitter circuit")
+Rb=(R1*R2)/(R1+R2);
+Zi=(Rb*hie)/(Rb+hie)
+Cin=1.48*10^-9;
+f2=1/(2*3.14*Cin*((rs*Zi)/(rs+Zi)));
+printf("input-capacitance upper cutoff frequency is %dHz\n",f2)
+disp("common base circuit")
+Zi=(Re*hib)/(Re+hib)
+Cin=(Cbe+Cbc)
+f2=(1/(2*3.14*Cin*((rs*Zi)/(rs+Zi))))*10^-6;
+printf(" input capacitance upper cutoff when operating as CB circuit with base bypassed to ground is %dMHz\n",f2)
+\ No newline at end of file