1 files changed, 20 insertions, 0 deletions
diff --git a/3754/CH25/EX25.3/25_3.sce b/3754/CH25/EX25.3/25_3.sce
new file mode 100644
index 000000000..254b54a17
--- /dev/null
+++ b/3754/CH25/EX25.3/25_3.sce
@@ -0,0 +1,20 @@
+clear//
+
+//Variables
+
+hie = 1.1 * 10**3                      //hie (in ohm)
+hre = 2.5 * 10**-4                     //hre
+hoe = 25.0 * 10**-6                    //hoe (in mho)
+RS = 1000.0                            //Source resistance (in ohm)
+hfe=50.0;beta=50.0;
+rL = 1000.0                            //ac.c load resistance (in ohm)
+
+//Calculation
+
+Ai = hfe /(1 + hoe * rL)               //Current gain of a transistor
+Ri = hie + hre * Ai * rL               //Input impedance (in ohm)
+Av = Ai * rL / Ri                      //Voltage gain                   
+
+//Result
+
+printf("\n Current gain is  %0.2f \nInput impedance is  %0.1f \nVoltage gain is  %0.2f ",Ai,Ri,Av)