Blake, Roy <br/><br/>
Electronic communication systems 
by Roy Blake 
 - 2nd ed. 
 - Singapore :  Cengage Learning,  2008 
 - xx, 985 p. :  ill. ;  25 cm. 
<br/><br/>Includes index. 
<br/><br/> "This text is intended for students in two, three and four year programs in electronics technology and electronics engineering technology. It includes both traditional analog communication-- amplitude an frequency modulation and their variations and modern developments in digital and data communications and networks. Radio optical transmission systems are also given extensive coverage". 
<br/><br/><br/>English text. 
<br/><br/><label>ISBN: </label>9789812431585 
<br/><br/><label>Dewey Class. No.: </label>SHS 621.38 B56e 2008