From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2375/CH4/EX4.3/ex4_3.sce | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 2375/CH4/EX4.3/ex4_3.sce

(limited to '2375/CH4/EX4.3')

diff --git a/2375/CH4/EX4.3/ex4_3.sce b/2375/CH4/EX4.3/ex4_3.sce
new file mode 100755
index 000000000..320f95e03
--- /dev/null
+++ b/2375/CH4/EX4.3/ex4_3.sce
@@ -0,0 +1,42 @@
+// Exa 4.3
+clc;
+clear;
+close;
+format('v',6)
+// Given data
+h_ic = 2;// in k ohm
+h_fc = -51;
+h_oc = 25*10^-6;// in ohm
+h_rc= 1;
+V_CC = 20;// in V
+R1 = 10;// in k ohm
+R2 = 10;// in k ohm
+R_S = 1;// in k ohm
+R_E = 5;// in k ohm
+R_B= 5;// in k ohm
+R_L= 5;// in k ohm
+// (i) Current Gain
+Ai = (-h_fc)/(1+h_oc*R_E*10^3);
+disp(Ai,"The current gain is");
+// (ii) Input impedance
+Zi = h_ic*10^3 + h_rc*Ai*R_E*10^3;// in ohm
+Zi = Zi * 10^-3;// in k ohm
+disp(Zi,"The input impedance in k ohm is");
+// (iii) Voltage Gain
+A_V = (Ai*R_L*10^3)/(Zi*10^3);
+A_V = 1;// (approx)
+disp(A_V,"The voltage gain is");
+// (iv) Overall Input Impedance
+Z_IS = (R_B*Zi)/(R_B+Zi);// in k ohm
+disp(Z_IS,"The overall input impedance in k ohm is");
+// (v) Overall voltage gain
+A_VS = (A_V*Zi)/(Zi+R_S); 
+disp(A_VS,"The overall voltage gain is");
+// (vi) Overall current gain
+A_IS =Ai*(R_B/(R_B+Zi));
+disp(A_IS,"The overall current gain is");
+// (vii) Output impedance
+RdasS = (R_S*R_B)/(R_S+R_B);// in k ohm
+Yo = h_oc - ( (h_fc*h_rc)/(h_ic*10^3+RdasS*10^3) );// in mho 
+Zo = 1/Yo;// in ohm
+disp(Zo,"The output impedance in ohm is");
-- 
cgit