ML4039E 400G BERT PAM4 / NRZ

4-Channel | 56 GBd PAM4 & NRZ | 400G BERT|
  • Data Rates: 23-29 & 46-58 GBaud (116 Gbps)
  • Ability to tune the bit rate in steps of 100 kbps and find the RX PLL locking margin.
  • Independent control of inner eye levels
  • Up to 0.8 Vppd output swing
  • Supports Gray coding and polarity inversion
  • Error injection
  • 3-tap LUT-based Pre- and Post-emphasis or
  • 7-tap linear FFE
  • Programmable front-end attenuator SNR monitoring over time.
  • PAM histogram monitor.
  • PAM slicer threshold adjustable. Error-detection on following patterns: - PRBS 7/9/11/15/16/23/31 - PRBS13Q and PRBS31Q
  • Automatic pattern detects
  • LOS indicators.

The ML4039E is a full featured 400G BERT that can be configured as four channels of 56 GBaud PAM4 or 56 Gbps NRZ. Also, half rates of 28 GBd are supported in PAM4 and NRZ modes. The transmitters support all standard test patterns mandated by IEEE and OIF such as PRBS13Q, SSPRQ, PRBS31Q, etc.

Additionally, the user may program the TX to output a user- defined pattern up to 131 kb long.
In addition, the ML4039E supports transmitter and receiver equalization to overcome signal integrity impairments due to channel losses or reflections.

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