TY  - BOOK
AU  - COUCH, II L. W.
TI  - DIGITAL AND ANALOG COMMUNICATION SYSTEMS 7TH ED
SN  - 978-81-203-3411-3
U1  - 621.382 
PB  - PRENTICE HALL OF INDIA PVT.LTD., NEW DELHI
KW  - ELECTRONIC COMMUNICATION (S.E.)
N1  - 14072
ER  -