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

---
 2288/CH5/EX5.14.11/ex5_14_11.sce | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100755 2288/CH5/EX5.14.11/ex5_14_11.sce

(limited to '2288/CH5/EX5.14.11')

diff --git a/2288/CH5/EX5.14.11/ex5_14_11.sce b/2288/CH5/EX5.14.11/ex5_14_11.sce
new file mode 100755
index 000000000..335bd52da
--- /dev/null
+++ b/2288/CH5/EX5.14.11/ex5_14_11.sce
@@ -0,0 +1,35 @@
+//Exa 5.14.11
+clc;
+clear;
+close;
+// Given data
+bita= 100;
+V_BEsat= 0.8;// in V
+V_CEsat= 0.2;// in V
+V_BEact= 0.7;// in V
+V_CC = 10;// in V
+R_E = 1;// in kΩ
+R_C = 2;// in kΩ
+R_B= 100;// in kΩ
+bita=100;
+alpha= bita/(1+bita);
+// Applying KVL to collector circuit
+// V_CC= I_Csat*R_C +V_CE +R_E*I_E
+// but I_E= alpha*I_Csat
+I_Csat= (V_CC-V_CEsat)/(R_C+R_E*alpha);// in mA
+I_Bmin= I_Csat/bita;// in mA
+// Applying KVL to base loop
+// V_CC= I_B*R_B +V_BEsat +I_E*R_E
+// but I_E= I_Csat+I_B
+I_B= (V_CC-V_BEsat-I_Csat*R_E)/(R_B+R_E);// in mA
+disp(I_B*10^3,"The value of I_B in µA is : ")
+disp(I_Bmin*10^3,"The minimum value of I_B in µA is : ")
+if I_B>I_Bmin then
+    disp("Since the value of I_B is greater than the value of I_Bmin, ")
+    disp("Hence the transistor is in saturation .")
+end
+I_E= (1+bita)*I_Bmin;// in mA
+R_E= (V_CC-V_BEact-I_Bmin*R_B)/I_E;// in kΩ
+disp(R_E,"The value of R_E in kΩ is : ")
+disp("So R_E should be greater than this value in order to bring the transistor just out of saturation ")
+
-- 
cgit