Digital Communications Notes (DC) Spread the love 3.3 (3) Digital Communications Notes (DC) Digital Communications PDF Notes Files Download DC Notes Note :- These notes are according to the r09 Syllabus book of JNTUH.In R13 ,8-units of R09 syllabus are combined into 5-units in r13 syllabus.Click here to check all the JNTU Syllabus books How useful was this post? Click on a star to rate it! Submit Rating Average rating 3.3 / 5. Vote count: 3 No votes so far! Be the first to rate this post.