Discussion
Manchester encoding places one transition in every bit, so a 1 megabit per second data rate requires a signalling bandwidth of at least
Answer: B
Correct answer: 1 megahertz
Manchester encoding places a transition at the middle of every bit, and a run of identical bits also produces transitions at the bit boundaries. The highest fundamental frequency therefore equals the bit rate: 1 MHz for 1 Mbit/s.
That is the cost of the scheme - twice the bandwidth of a simple non-return-to-zero code carrying the same data. It buys clock recovery from the data itself and a signal with no DC component, which is what allows the transformer coupling MIL-STD-1553 depends on.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development