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Project GabE ECE 135 – Spring 2005

Project GabE ECE 135 – Spring 2005. Omar Al-Jadda Patrick Crosby Adam Durity. Rahmin Sarabi. Progress Report. Finalized Gantt Chart Drafted Tx Schematic Submitted for first review Ordered Major Components Drafted Bill of Materials Website now Live. Final Gantt Chart.

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Project GabE ECE 135 – Spring 2005

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  1. Project GabEECE 135 – Spring 2005 Omar Al-Jadda Patrick Crosby Adam Durity Rahmin Sarabi

  2. Progress Report • Finalized Gantt Chart • Drafted Tx Schematic • Submitted for first review • Ordered Major Components • Drafted Bill of Materials • Website now Live

  3. Final Gantt Chart

  4. Tx Schematic - Rev. 1.0

  5. Schematic Design Theory • Must decouple all the power connections of the circuit to ensure that high frequency noise on the power line does not interfere with sensitive parts of the circuit. • Capacitors near every power and ground connection. • POT1 is used to change the magnitude of the output • POT2 is used to control the output power of the VCSEL • The three element filter (C3,L1,C4) in the top left provides additional protection from VCC noise by bandlimiting the signal • In series with each potentiometer is a 'limiting resistor' that should protect the circuit if the POT resistance too low

  6. Ordered Major Components • VCSEL: AOC HFE419x-441 • ROSA: AOC HFD3180-108 • Expected Delivery: 2/22/05

  7. Bill of Materials

  8. Project Website • Functional and up-to-date content http://www.ee.duke.edu/~mbrooke/ECE135/2005_01_Spring/G1/

  9. Upcoming Week • Finalize Tx Schematic • Draft and Finalize Rx Schematic • Initiate Board Design • Target - Submit for review 2/28/05 • Order Remaining Components

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