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 ECE 4006 CML (Current mode logic) Light Signal TIA Limiting Amp passives Power

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 Input Impedance Match AC coupling DC Bias

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

8. Final Soldered Receiver PCB