Status Presentation February 20-27, 2003 Michelle Middleton

Overview – Gantt Chart February 20th

Overview – Gantt Chart February 27th

Progress this Week • Added power filter to schematic • Had preliminary layout review • Finalized layout with power filter added • Tested receiver board with variable attenuator • Ordered and received more parts • Outlined first paper and assigned tasks

Transceiver Schematic – 2/20

Transceiver Schematic – 2/25

Transceiver Schematic – 2/27 Sources for power supply filter: E2O GBIC App Note, pages 4-5, Delta Electronics Spec., page 4

Board Layout

Receiver Board Testing – 0 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 10 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 20 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 30 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 40 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 50 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 60 dB K28.5 K28.7 PRBS7

Receiver Board Testing – 70 dB K28.5 K28.7 PRBS7

Receiver Board Testing Results • Best results for all at 10 dB attenuation • K28.5 and PRBS7 have increased jitter at 0 dB • Jitter increases for all tests at 50 dB • All close above 50 dB

Parts Ordered and Received All Parts ordered for first board assembly Parts Received • VCSEL: Optek OPV210 • PD: Optek OPF420

First Paper Outline Abstract Introduction Project Specifications Background Information Group Organization Receiver Test Board Optical Link Budget Transceiver Design Schematics Layout Testing Results Conclusions

Plan for Next Two Weeks Send board out for fabrication Receive all parts needed for first assembly Assemble first transceiver board design Write individual portions of first paper Compile complete rough draft