The growth of cloud computer services and smartphone usage is driving the expansion of core network transmission capacity. Standards organizations and research bodies are examining next-gen, high-speed transmission technologies at 400 Gbps and 1 Tbps using methods such as QAM performing signal modulation in both the phase and amplitude domains. The MP1800A BERT has a built-in eight-channel, 32-Gbps pulse pattern generator (PPG). When four units are synchronized, they can support configuration of an ultra high-speed transmission test system with multi-channel synchronization signals, including quad DP-16QAM and dual DP-64QAM. These are required for 400-Gbps and 1-Tbps transmission tests.
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