Couch, L.eon W <br/><br/>
Digital and analog communication systems 
Leon W.Couch 
 - 7th ed. 
 - New Delhi  Person Education  2010 
 - xi,749p.; 24cm. 
<br/><br/><label>ISBN: </label>9788131725436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communication systems <br/>Analog communication systems
<br/><br/><label>Dewey Class. No.: </label>621.382  / COU