
B.E./B.Tech.Degree Examinations,Apr/May 2010 Regulations 2008 Fourth Semester Electronics and Communication Engineering EC2252 Communication Theory Time: Three Hours Maximum: 100 Marks Answer ALL Questions Part A - (10 x 2 = 20 Marks) 1. How many AM broadcast stations can be accommodated in a 100 kHz bandwidth if the highest frequency modulating...