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

---
 1658/CH19/EX19.9/Ex19_9.sce | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 1658/CH19/EX19.9/Ex19_9.sce

(limited to '1658/CH19/EX19.9')

diff --git a/1658/CH19/EX19.9/Ex19_9.sce b/1658/CH19/EX19.9/Ex19_9.sce
new file mode 100755
index 000000000..c270dbd14
--- /dev/null
+++ b/1658/CH19/EX19.9/Ex19_9.sce
@@ -0,0 +1,37 @@
+clc;
+//e.g 19.9
+Vcc=10;
+Rc=5*10**3;
+RE1=500;
+R1=50*10**3;
+R2=10*10**3;
+Rs=600;
+rE=500;
+beta1=50;
+Vbe=0.7;
+vs=100*10**-3;
+Rl=50*10**3;
+Vth=(Vcc*R2)/(R1+R2);
+disp('V',Vth*1,"Vth=");
+Rth=(R1*R2)/(R1+R2);
+disp('10^3ohm',Rth*10**-3,"Rth=");
+RE=RE1+rE;
+disp('ohm',RE*1,"RE=");
+Ie=(Vth-Vbe)/(RE+(Rth/beta1));
+disp('mA',Ie*10**3,"Ie=");
+re=25/(Ie*10**3);
+disp('ohm',re*1,"re=");
+Ri=beta1*(re+rE);
+disp('Kohm',Ri*10**-3,"Ri=");
+Ris=(Rth*Ri)/(Rth+Ri);
+disp('ohm',Ris*1,"Ris=");
+rl=(Rc*Rl)/(Rc+Rl)
+disp('kohm',rl*10**-3,"rl=");
+Av=rl/(re+rE);
+disp(Av);
+VinBYVs=(Ris)/(Ris+Rs);
+disp('V',VinBYVs*1,"VinBYVs=");
+Avs=Av*VinBYVs;
+disp(Avs);
+V0=Avs*vs;
+disp('mV',V0*10^3,"V0=");//answer printed in the book is wrong(variation in decimal point) 
-- 
cgit