1 files changed, 10 insertions, 0 deletions
diff --git a/226/CH13/EX13.2/example2_sce.sce b/226/CH13/EX13.2/example2_sce.sce
new file mode 100755
index 000000000..bff1d2ffc
--- /dev/null
+++ b/226/CH13/EX13.2/example2_sce.sce
@@ -0,0 +1,10 @@
+//chapter 13
+//example 13.2
+//page 549
+printf("\n")
+printf("given")
+Rf2=560;Rf1=56*10^3;Av=100000;Zb=1*10^3;R1=68*10^3;R2=33*10^3;
+B=Rf2/(Rf2+Rf1)
+Zi=(1+Av*B)*Zb
+Zin=(Zi*R1*R2)/(R1*R2+R1*Zi+R2*Zi);
+printf("input impedance with negative feedback is %dohm\n",Zin)
+\ No newline at end of file