00651cam a2200217 7i4500 0000030023 20230131090000.0 0130896306 9780130896308 621.382 COU 2001 TK5101 COU 2001 Couch, Leon W. author Digital and analog communication systems Leon W. Couch. 6th edition. New Jersey, NJ: Prentice Hall, 2001. xxv, 758 pages: illustrations; 24 cm. text racontent unmediated rdamedia volume rdacarrier Telecommunication systems Digital communications