1 files changed, 23 insertions, 0 deletions
diff --git a/226/CH12/EX12.15/example15_sce.sce b/226/CH12/EX12.15/example15_sce.sce
new file mode 100755
index 000000000..d971e3c09
--- /dev/null
+++ b/226/CH12/EX12.15/example15_sce.sce
@@ -0,0 +1,23 @@
+//chapter 12
+//example 12.15
+//page 407
+printf("\n")
+printf("given")
+Vgsoff=-6;Idss=20*10^-3;Yfs=4000*10^-6;Id=2*10^-3;Vcc=20;Zi=500*10^3;R2=560*10^3;Rl=80*10^3;Vbe=.7;Vce=3;
+Vgs=Vgsoff*(1-sqrt(Id/Idss))
+Vds=(-Vgsoff)+1-(-Vgs)
+Vr3=(Vcc-Vds)/2
+Vr4=Vr3;
+R3=Vr4/Id//use 3.9kohm as standard and recalculate Vr3 and Vr4
+R4=R3;
+R4=3.9*10^3;
+Vr3=Id*R4
+Vr4=Vr3;
+Vr2=Vr4-(-Vgs)
+Vr1=Vcc-Vr2
+R1=(Vr1*R2)/Vr2
+R6=Rl/10
+Vr5=Vr3-Vbe
+Vr6=Vcc-Vr5-Vce
+Ic2=Vr6/R6
+R5=Vr5/Ic2
+\ No newline at end of file