1 files changed, 23 insertions, 0 deletions
diff --git a/281/CH3/EX3.9/example3_9.sce b/281/CH3/EX3.9/example3_9.sce
new file mode 100755
index 000000000..f0a8a28cb
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+++ b/281/CH3/EX3.9/example3_9.sce
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+disp('chapter 3 ex3.9')
+disp('given')
+disp('the direct sum of two inputs which range from .1Volt to 1V0lt')
+Vsmin=0.1
+Vsmax=1
+disp('IBmax=500nA')
+disp('I1min=100*IBmax')
+IBmax=500*10^(-9)
+I1min=100*IBmax
+disp('amperes',I1min)
+disp('R1=Vsmin/I1min') 
+R1=Vsmin/I1min
+disp('ohms',R1)
+disp('using standard value R2=R1=1.8kohms')
+R1=1800
+R2=1800
+disp('for Av=1 R3=R1=1.8kohms')
+Av=1
+R3=1800
+disp('R4=R1||R2||R3')
+R4=R1/3
+disp('ohms',R4)
+disp('standard value is 560ohms)
+\ No newline at end of file