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

---
 3745/CH1/EX1.21/Ex1_21.sce | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 3745/CH1/EX1.21/Ex1_21.sce

(limited to '3745/CH1/EX1.21/Ex1_21.sce')

diff --git a/3745/CH1/EX1.21/Ex1_21.sce b/3745/CH1/EX1.21/Ex1_21.sce
new file mode 100644
index 000000000..a1f3043e5
--- /dev/null
+++ b/3745/CH1/EX1.21/Ex1_21.sce
@@ -0,0 +1,23 @@
+// Ex 21 Page 363
+
+clc;clear;close;
+// Given
+fc=25*10**6;//Hz
+fm=400;//Hz
+Vm=4;//V
+del=10*10**3;//Hz
+wc=2*%pi*fc;//rad/s
+wm=2*%pi*fm;//rad/s
+m=del/fm;//modulation index
+mf=m;mp=m;//modulation index
+printf("General equation of FM wave is:")
+printf("\n v=%d*sin(%.2e*t+%d*sin(%d*t)",Vm,wc,mf,wm)
+printf("\n\n General equation of PM wave is:")
+printf("\n v=%d*sin(%.2e*t+%d*sin(%d*t)",Vm,wc,mp,wm)
+// Changing modulating frequency
+fm_new=2*10**3;//Hz
+a=fm_new/fm;//increase in angular frequency
+printf("\n\n Now equation of FM wave is:")
+printf("\n v=%d*sin(%.2e*t+%d*sin(%d*t)",Vm,wc,mf,a*wm)
+printf("\n\n Now equation of PM wave is:")
+printf("\n v=%d*sin(%.2e*t+%d*sin(%d*t)",Vm,wc,mp,a*wm)
-- 
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