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Task List

Task List. Group management plan Background studies Link budget: optical/electrical Build, test learning Rx board Order components for transceiver (TxRx) module Design, circuit schematic, layout of full duplex TxRx module (Run 1) Build, test transceiver module, Run 1

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Task List

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  1. Task List Group management plan Background studies Link budget: optical/electrical Build, test learning Rx board Order components for transceiver (TxRx) module Design, circuit schematic, layout of full duplex TxRx module (Run 1) Build, test transceiver module, Run 1 Alignment tolerance of Rx on TxRx module, Run 1 Analysis of results, Run 1 Design, circuit schematic, layout of full duplex TxRx module (Run 2, optional) Build, test transceiver module (Run 2, optional) Alignment tolerance of Rx on TxRx module (Run 2, optional) Analysis of results (Run 2, optional)

  2. Gigabit Receiver Board Power passives Light Signal CML (Current mode logic) ECE 4006 Limiting Amp TIA

  3. Receiver components • TIA (transimpedance Amplifier) • Amplifies small PD (photodiode) current • Low noise • Low input impedance (~600 Ohms) • Converts current to voltage • Limiting Amplifier • Boosts TIA output voltage 30mV to >100mV • Converts analog to “digital” (limiting) CML

  4. TIA - MAX3266

  5. Limiting Amplifier – MAX3264

  6. On Board Passives Supply Decoupling DC Bias AC coupling AC coupling AC coupling Input Impedance Match Supply Decoupling

  7. Board Layout J2 J1 J3 • Short lines • 45 degree angles

  8. Final Soldered Receiver PCB

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