Study and Analysis of Baseband Signal Using Eye Diagram
DOI:
https://doi.org/10.63318/waujpasv3i2_15Keywords:
Nyquist Criteri, Inter-Symbol Interferenc, Jitter, Eye Diagram, Bit-Error-RateAbstract
This study investigates a two-level baseband transmission system, emphasizing the effects of noise
level and transmission rate on signal integrity. The Nyquist criterion for distortionless transmission
is validated under varied conditions. An eye diagram is used to visualize the impacts of jitter,
signal-to-noise ratio (SNR), and inter-symbol interference (ISI) on data quality. Results show that
the eye opening narrows when transmission rates exceed the Nyquist limit, increasing bit error rate
(BER). BER is computed using both the Gaussian distribution model and a hardware-based error
counter. Findings confirm an exponential rise in BER as input noise increases, with a maximum
BER of 0.02328 observed at 0 dB noise level. These results highlight the critical role of noise
control and bandwidth constraints in baseband system performance.
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