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

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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

Tx Schematic - Rev. 1.0

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

Ordered Major Components VCSEL: AOC HFE419x-441 ROSA: AOC HFD Expected Delivery: 2/22/05

Bill of Materials

Project Website Functional and up-to-date content

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