1 files changed, 22 insertions, 0 deletions
diff --git a/281/CH3/EX3.7/example3_7.sce b/281/CH3/EX3.7/example3_7.sce
new file mode 100755
index 000000000..a26cd0766
--- /dev/null
+++ b/281/CH3/EX3.7/example3_7.sce
@@ -0,0 +1,22 @@
+disp('chapter 3 ex3.7')
+disp('given')
+disp('Designing inverting amplifier using 741 op-amp')
+disp('voltage gain Av=50')
+disp('output voltage Vo=2.5volt')
+Av=50
+Vo=2.5
+disp('IBmax=500nA and I1=100*IBmax')
+IBmax=500*10^(-9)
+I1=100*IBmax
+disp('V1=Vo/Av')
+V1=Vo/Av
+disp('volt',V1)
+disp('R1=V1/I1')
+R1=V1/I1
+disp('ohms',R1)
+disp('R2=Vo/I1')
+R2=Vo/I1
+disp('ohms',R2)
+disp('R3=R1||R2')
+R3=R1*R2/(R2+R1)
+disp('ohms',R3)
+\ No newline at end of file