Discovery Semiconductors manufactures photodetectors and balanced photoreceivers for 10 Gb, 40Gb, and 100 Gb applications.

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100 Gb Ethernet (4 x 25 Gb/s) Quad Optical Receiver 1310nm/1550nm

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Description:

The DSC-R801 is a four-element "Quad" PIN + Transimpedance + Limiting amplifier ideally suited for digital applications such as 100 Gb Ethernet (LR & ER). The high responsivity of Discovery's photodiode at both 1310nm and 1550nm results in a high single-ended conversion gain of 550 V/W and a high sensitivity of -12dBm. The R801 also offers a high optical overload of +4 dBm and a very low power dissipation of 200 mW per channel. The R801 is initially available with GPPO RF output connectors, however SMT and differential outputs are also available.

DSC-R801 Lab Buddy Array Instrument

Fig1: Lab Buddy

DSC-R801 Eye Pattern: 100 Gb Ethernet (4 x 25 Gb/s) Quad Optical Receiver 1310nm/1550nm

X Axis: 7.6 ps/div     Y Axis: 20 mV/div

Fig2: Eye Pattern:
{25.8 Gb/s, 231-1 PRBS, 12dB Ext. Ratio, 1550nm}
-7 dBm optical input

Salient Features:

  • Integrated optical module with four PIN + TIA channels
  • High responsivity at 1310nm, 1550nm & L-band
  • High single-ended conversion gain of 550 V/W
  • Sensitivity of -12 dBm at 25.8 Gb/s
  • Overload of +4 dBm at 25.8 Gb/s
  • Very low power dissipation of 200 mW per channel
  • AC-coupled GPPO-style RF outputs

Applications:

  • 100 Gb/s Ethernet (LR & ER)
  • Digital applications up to 30 Gb/s baud rate

Available Models:

  • DSC-R801 - 100 Gb Ethernet (4 x 25 Gb/s) Quad PIN + TIA Optical Receiver

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