TY  - BOOK
AU  - Blake, Roy
TI  - Electronic communication systems
SN  - 9789812431585
U1  - SHS 621.38 B56e 2008 
PY  - 2008///
CY  - Singapore
PB  - Cengage Learning
N1  - Includes index
N2  - "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"
ER  -