Eight 56G channels enable optical modules
Optical channels are amenable to 56GBaud, due to the relatively low loss and dispersion. The higher order modulation format is not required by the optical domain however. When will it come and what will enable it? Common mode noise rejection of wire Signals at NRZ comparator group is similar to differential signals. The DS560DF810 is an eight-channel multi-rate retimer with integrated signal conditioning. It extends the reach and robustness of long, lossy, crosstalk-impaired high-speed serial links. OSFP OverPass™ products remove high speed signaling from the PCB and create an eight channel direct lower loss interconnection between the ASIC site and the external OSFP IO port by overpassing the PCB. The Broadcom® BCM87400 series of devices are the industry's highest performance and lowest power single-chip 400GbE PAM-4 PHY transceiver platform capable of driving four lanes of 112-Gb/s PAM-4 at 56 Gbaud, while supporting DR4/FR4/LR4 optical links.
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