Couch, Leon W. <br/><br/>
Digital and analog communication systems / 
Leon W. Couch II 
 - 7th ed. 
 - Upper Saddle River, NJ :  Pearson/Prentice Hall,  c2007 
 - xxvii, 751 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 710-722) and index 
<br/><br/><label>ISBN: </label>0131424920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications