1 files changed, 28 insertions, 0 deletions
diff --git a/226/CH12/EX12.14/example14_sce.sce b/226/CH12/EX12.14/example14_sce.sce
new file mode 100755
index 000000000..bb30066fe
--- /dev/null
+++ b/226/CH12/EX12.14/example14_sce.sce
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+//chapter 12
+//example 12.14
+//page 503
+printf("\n")
+printf("given")
+vp=50*10^-3;Rl=50;Ve2=5;Vcc=12;Vbe=.7;hFE=70;hfe=100;R2=120*10^3;f1=150;R3=150*10^3;R1=5.6*10^3;R4=2.2*10^3;
+ip=vp/Rl
+disp("select Ie2>ip")
+Ie2=2*10^-3;
+R4=Ve2/Ie2//use standard 2.2Kohm
+R4=2.2*10^3;
+Ie2=Ve2/R4
+Ic1=1*10^-3;
+Vr1=Vcc-(Vbe+Ve2)
+R1=Vr1/Ic1//use 5.6kohm and recalculate
+R1=5.6*10^3;
+Ic1=Vr1/R1
+Ib1=Ic1/hFE
+hie=hfe*(26*10^-3/Ic1)
+hie2=hfe*((26*10^-3)/(2.27*10^-3))
+Zi1=(R2*hie)/(R2+hie)
+Xc1=Zi1/10
+C1=1/(2*3.14*f1*Xc1)
+Xc2=R3/100
+C2=1/(2*3.14*f1*Xc2)
+Zo=(((hie2+R1)/hfe)*R4)/(((hie2+R1)/hfe)+R4)
+Xc3=Rl+Zo
+C3=1/(2*3.14*f1*Xc3)
+\ No newline at end of file