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

---
 2183/CH8/EX8.4/Ex_8_4.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 2183/CH8/EX8.4/Ex_8_4.sce

(limited to '2183/CH8/EX8.4')

diff --git a/2183/CH8/EX8.4/Ex_8_4.sce b/2183/CH8/EX8.4/Ex_8_4.sce
new file mode 100755
index 000000000..4d92ca666
--- /dev/null
+++ b/2183/CH8/EX8.4/Ex_8_4.sce
@@ -0,0 +1,15 @@
+//Example 8.4 // Average nummber of photon
+clc;
+clear;
+close;
+//given data :
+format('v',5)
+M=80;// multiplication factor
+K=0.02;// carrier ionization rates
+eta=85/100;// quntum efficiency
+Bt=0.6;// assuming a raised cosine signal spectrum
+SbyN=144;
+FM=(K*M)+(2-(1/M))*(1-K);
+eta_max=(2*Bt*FM*SbyN)/(eta);
+disp(eta_max,"The average number of photon,(photon) = ")
+// answer is wrong in a textbook
-- 
cgit