Question: An optical communication system operates using the Return - to - Zero ( RZ ) modulation format at a bit rate of 5 Gbps .
An optical communication system operates using the ReturntoZero RZ modulation format at a bit rate of Gbps The system has a target Bit Error Rate BER of and operates with a signaltonoise ratio SNR of dB The pulse duty cycle for the RZ format is meaning each pulse occupies half of the bit period.
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