400Gbps PAM-4 DSP

Dove 480

Dove 480 (CFD60802) is used in the next-generation, low power, high-performance QSFP-DD and QSFP112 optical transceivers for high-density data centers. Dedicated PLLs are included for each transmit and receive data lane enabling seamless operation in breakolut applications.

Dove 480 can be used in forward mode (8:4 configuration) or reverse mode (4:8 configuration), to service existing data centre and AI deployments, and facilitate seamless transition to newer network architectures.

Parameters

Host Side
8x53G / 4x106G PAM4
Line Side
4x106G / 8x53G PAM4

Features

  • Powerful fourth generation DSPs on optical side and electrical side deliver
    industry leading sensitivity and BER performance, providing margin for
    component variation and high-volume manufacturing.
  • Forward (8:4) and reverse (4:8) mode.
  • Line side Rx performance-enhancing features tailored to address optical
    impairments in stressful environments.
  • High-performance transmitters come with multi-tap FIR filters, allowing
    precision optimization at both the module electrical connector and optical
    interface.
  • Host side interface supports extended PCB reach without the need for
    customized per-channel settings.
  • Independent phase locked loops per channel support flexible breakout
    configurations including 1x400G, 2x200G and 4x100G.
  • On-chip crossbar simplifies module layout design.
  • Full suite of test features and loopbacks simplifies lab bring up and production
    testing to reduce time-to-market.
  • Low-power dissipation enables higher rack utilization and lower thermal
    cooling requirements.

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