1 files changed, 22 insertions, 0 deletions
diff --git a/147/CH8/EX8.24/Example8_24.sce b/147/CH8/EX8.24/Example8_24.sce
new file mode 100644
index 000000000..194fa01ec
--- /dev/null
+++ b/147/CH8/EX8.24/Example8_24.sce
@@ -0,0 +1,22 @@
+//input resistance hie, reverse voltage ratio hre
+//forward current gain hfe, output admittance hoe
+close();
+clear;
+clc;
+hie = 1500;
+hfe = 40;
+hre = 0;
+hoe = 30;
+Ri = 1000;//ohm
+Rc2 = 20000;
+Rc1 = 10000;
+Rb1 = 5000;
+Rb2 = 5000;
+Av2 = -hfe*Rc2/(hie*(1+hoe*10^(-6)*Rc2));
+Zin2 = Rb2*hie/(Rb2+hie);
+Av1 = -hfe*Zin2*Rc1/(hie*(Rc1+Zin2+hoe*Zin2*Rc1*10^(-6)));
+Zin1 = Rb1*hie/(Rb1+hie);
+//vin/vi = vin_i
+vin_i = Zin1/(Zin1+Ri);
+Av = vin_i*Av1*Av2
+mprintf('Final stage voltage gain Av2 = %0.1f\nFinal stage input impedance Zin2 = %0.3f k ohm \nInitial staage voltage gain Av1 = %0.1f\nAmplifier input impedance Zin1 = %0.3f k ohm\nAmplifier voltage gain = %0.0f',Av2,Zin2/1000,Av1,Zin1/1000,Av);
+\ No newline at end of file