• Optical Module Technology Explanation: PAM4 Technology Overview

    Optical Module Technology Explanation: PAM4 Technology Overview

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    At present, the optical transmission network generally adopts the non-return-to-zero (NRZ) code transmission method, but when the transmission rate exceeds 28Gbit/s, the system will have strict requirements on the time margin of the transmission link and the transceiver chip, and the high-bandwidth signal will be transmitted in the channel. The losses in the area also significantly increased. This requires us to change the selection...
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