Thompson, Lawrence M. Analog and digital signal transmission / Lawrence M. Thompson. - Research Triangle Park, NC : Instrument Society of America, c1985. - ix, 160 p. : ill. - Instructional resource package. Student text . ISBN: 0876648200 (pbk.) Subjects--Topical Terms: Telecommunication.Modulation (Electronics) LC Class. No.: TK5101 / .T46 1985