34 



BELI. SYSTEM TECHNICAL JOURNAL 



uj 5 

 o 



> , 



• TRANSMITTER ^ \ 



4 5 6 7 8 9 



D, C. VOLTAGE- V 

 Fig. 4 



10 II IZ 



h 



340 

 3Z0 

 300 

 280 

 Z40 

 240 

 I 220 

 ^200 



^ 180 

 o 



u 

 3 140 



> 120 



100 



80 



feo 



40 



20 







1 2 3 4 5 6 7 8 9 10 \l 12 13 

 VALUES OF "Z'CmICROMS) 



Fig. 5 



