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

---
 1514/CH21/EX21.3/21_3.sce | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100755 1514/CH21/EX21.3/21_3.sce

(limited to '1514/CH21/EX21.3')

diff --git a/1514/CH21/EX21.3/21_3.sce b/1514/CH21/EX21.3/21_3.sce
new file mode 100755
index 000000000..9ad40cd4f
--- /dev/null
+++ b/1514/CH21/EX21.3/21_3.sce
@@ -0,0 +1,43 @@
+//chapter 21
+//example 21.3
+//page 678
+clear all;
+clc ;
+//given
+Rp=9.7;//kohm
+Rk=270;//ohm
+Eg=[-4 -3 -2 -1];
+Rl=47;//load resistance in kohm
+Epp=200;//VE
+//total dc load resistance
+R=Rp+Rk;
+Ip=-1000*Eg/Rk;
+
+plot(-Eg,Ip,'-.*')
+xtitle('bias line','Eg(V)','Ip(mA)')
+
+//plotting DC load line
+Ip1= floor(Epp/Rp);
+//plot dc load line with points A(Ip,Ep)=A(0,200) and B(Ip1,Ep)=B(Ip1,0)
+figure,plot([200 0],[0 Ip1],'*b--');
+xtitle('Dc load line','Ep(V)','Ip(mA)')
+
+//after intersection of dc load line and bias line at Q
+Eg=-2.4;Ip=8.8;
+Ep=112;//plate to cathode voltage
+printf("\nFor Q point,\nEg=%.1f V\nIp=%.1f mA\nEp=%dV",Eg,Ip,Ep);
+R=(Rp*Rl)/(Rp+Rl);
+deltaIp=10;
+deltaEp=-deltaIp*R;
+//ac load line with points 
+//point C(deltaEp,deltaIp)=(32,10)
+//point Q (112,8.8);
+plot([32 112],[10 8.8],'*r--');
+xtitle('dc(blue),ac(red) load line intersect at Q point','Ep(V)','Ip(mA)')
+
+
+
+
+
+
+
-- 
cgit