From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3542/CH2/EX2.3/ExB_3.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 3542/CH2/EX2.3/ExB_3.sce

(limited to '3542/CH2/EX2.3/ExB_3.sce')

diff --git a/3542/CH2/EX2.3/ExB_3.sce b/3542/CH2/EX2.3/ExB_3.sce
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+++ b/3542/CH2/EX2.3/ExB_3.sce
@@ -0,0 +1,24 @@
+// Example no B.3
+// To determine average output thermal noise power
+// Page no. 614
+
+clc;
+clear all;
+
+// Given data
+T0=300;                                                                   // Ambient room temperature in K
+Fsys=8;                                                                   // Noise figure of the system
+Tant=290;                                                                 // Effective temperature of antenna in K
+K=1.38*10^-23;                                                            // Boltzmann's constant in J/K
+B=30000;                                                                  // Effective bandwidth in Hz
+
+Te=(Fsys-1)*T0;                                                           // Effective noise temperature in K
+Ttotal=Tant+Te;                                                           // Overall system noise temperature in K
+
+// To determine average output thermal noise power
+Pn=(1+(Ttotal/T0))*K*T0*B;                                                // Average output thermal noise power in W
+Pn=10*log10(Pn/(10^-3));                                                  // Average output thermal noise power in dBm
+
+// Displaying the result in command window
+printf('\n Average output thermal noise power = %0.1f dBm',Pn);
+
-- 
cgit