GC1122 Dual Channel 112Gb/s PAM-4 Linear Equalizer

The GC1122 provides a new option over the conventional choice between short, bulky copper cables and power-hungry, expensive optical interconnects by enhancing the signal integrity on copper cables while supporting 112Gbps PAM-4 signals. With dual-channel linear equalization, low input/output return loss, and high common mode rejection, the GC1122 is ideal for 112Gbps PAM-4 copper interconnects.

  • Dual channel equalization
  • Supports line rates up to 112Gbps PAM-4 (56Gbaud)
  • Equalizes channel response beyond 30GHz
  • Wideband equalization handles 64b/66b and 128b/130b coded data
  • Works with PAM-4 (112Gb/s) signals
  • Allows the receiver EQ to adapt and further equalize the signal
  • Fully preserves effects of transmit pre-emphasis adjustments
  • FEC compatible
  • No time needed to adjust for dynamic rate changes
  • Compact 2.7mm x 4.2mm 38-ball CSP, 0.5mm pitch
  • Dual channel package ideal for top/bottom routing on SFP, SFP-DD, DSFP, QSFP, QSFP-DD, OSFP modules
  • Operates off a single 3.3V power supply
  • Each channel has independent equalization settings and standby control
  • Lower active and standby power


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