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

---
 991/CH9/EX9.2/Example9_2.sce | 52 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100755 991/CH9/EX9.2/Example9_2.sce

(limited to '991/CH9/EX9.2')

diff --git a/991/CH9/EX9.2/Example9_2.sce b/991/CH9/EX9.2/Example9_2.sce
new file mode 100755
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+++ b/991/CH9/EX9.2/Example9_2.sce
@@ -0,0 +1,52 @@
+//Example 9.2.
+clc
+RC=2*10^3
+hie=1300
+hre=2*10^-4
+hfe=55
+hoe=22*10^-6
+disp("(i) For RE = 200 ohm,")
+format(7)
+RE=200
+x=hoe*(RE+RC)
+disp(x,"      hoe*(RE + RC) =")
+disp("Since hoe*(RE+RC) < 0.1, the approximate model is permissible.")
+format(6)
+AI=-hfe
+disp("      AI = -hfe = -55")
+Ri=hie+((1+hfe)*RE)
+x1=Ri*10^-3
+disp(x1,"      Ri(k-ohm) = hie + (1+hfe)*RE =")
+Av=AI*(RC/Ri)
+disp(Av,"      Av = AI * (RC/Ri) =")
+disp("Output resistance, Ro = infinity")
+disp("Output terminal resistance, RoT = Ro || RC = 2 k-ohm")
+disp("(ii) For RE = 400 ohm")
+format(7)
+RE=400
+x2=hoe*(RE+RC)
+disp(x2,"      hoe*(RE + RC) =")
+disp("Since hoe*(RE+RC) < 0.1, the approximate model is permissible.")
+format(6)
+AI=-hfe
+disp("      AI = -hfe = -55")
+Ri=hie+((1+hfe)*RE)
+x3=Ri*10^-3
+disp(x3,"      Ri(k-ohm) = hie + (1+hfe)*RE =")
+format(5)
+Av=AI*(RC/Ri)
+disp(Av,"      Av = AI * (RC/Ri) =")
+disp("Output resistance, Ro = infinity")
+disp("Output terminal resistance, RoT = Ro || RC = 2 k-ohm")
+disp("(iii) For RE = 1000 ohm")
+disp("Since hoe*(RE+RC) < 0.1, the approximate model is permissible.")
+format(6)
+AI=-hfe
+disp("      AI = -hfe = -55")
+Ri=1300+((1+55)*1000)
+x3=Ri*10^-3
+disp(x3,"      Ri(k-ohm) = hie + (1+hfe)*RE =")
+Av=AI*(RC/Ri)
+disp(Av,"      Av = AI * (RC/Ri) =")
+disp("Output resistance, Ro = infinity")
+disp("Output terminal resistance, RoT = Ro || RC = 2 k-ohm")
\ No newline at end of file
-- 
cgit