Couch, Leon W. <br/><br/>
Digital and analog communication systems / 
Leon W. Couch II 
 - 8th ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  2013 
 - xxi, 762 p. :  ill . ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780132915380 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications