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 --- 881/CH7/EX7.3/exa7_3.sce | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100755 881/CH7/EX7.3/exa7_3.sce (limited to '881/CH7/EX7.3/exa7_3.sce') diff --git a/881/CH7/EX7.3/exa7_3.sce b/881/CH7/EX7.3/exa7_3.sce new file mode 100755 index 000000000..9d3a1c8d0 --- /dev/null +++ b/881/CH7/EX7.3/exa7_3.sce @@ -0,0 +1,25 @@ +clc; +//Example 7.3 +//Page No 257 + +disp("Given: An FM modulator with a modulation index m=1, a modulating signal v,(t)=Vmsin(2pi1000t) and an unmodulated carrier vc(t)=10sin(2pi500kt)."); + +//Solution + +//(a) + +disp("(a)From Table 7.3, a modulation index of 1 yields a reduced carrier component and three sets of significant side frequencies. "); + +//(b) + +disp("(b)The relative amplitudes of the carrier and side frequencies are, "); + +disp(" J0= 0.77x(10) = 7.7 V"); + +disp(" J1= 0.44x(10) = 4.4 V"); + +disp(" J2= 0.11x(10) = 1.1 V"); + +disp(" J3= 0.02x(10) = 0.2 V"); + +disp("(c)The frequency spectrum is shown in figure 7-6."); -- cgit