DATA 



CLOCK 



M.^NCflF.STi:R- 

 CODED 

 DATA 



+6CP 



CARRIER 

 PHASE 



-60«» 



ONE 



ZERO 



Figure 1. — Modulation Definition, 



•ftUiGOVERNMtNT PRINTINC OfnCE : 1979 0-28 1-067 (240) 



80 



