Frenzel, Louis Jr. E. <br/><br/>
Principles of electronic communication systems / 
Louis E. Frenzel, Jr 
 - Fourth Edition. 
 - New York, NY :  McGraw Hill Education,  c2016 
 - xiv, 930 pages :  illustrations ;  28 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780073373850 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TELECOMMUNICATION -- TEXTBOOKS 
<br/><br/><label>LC Class. No.: </label>TK 5101 .F74 2016