Couch, Leon W. <br/><br/>
Digital and analog communication systems 

 - 6th  
 - Delhi  Pearson Edu.  2005 
 - 774 p. 
<br/><br/><label>ISBN: </label>8178083280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication system
<br/><br/><label>Dewey Class. No.: </label>621.382 COD