00494nam a22001457a 4500 0 0 0 1 RIU RIU 2012-09-26 Purchased: Variety Book Fair RWP 60.00 0 621.382 TIS 1260 2012-09-26 00:00:00 1 2019-02-21 BK Reference: 5123 5123 0070647941 (pbk) 621.382 TIS Tischler, Morris Telecommunications a text lab manual Glencoe 1990 New York vii, 231 p. : ill. ; 28 cm. Telecommunication Lab manual Frequency shift keying Digitizing voice signals Amplifier circuit FM transmitters AM modulation CW keyer FEAS BK