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Progress Report (November 14 - 20, 2002). Progress:. HFE 4080-321 TO-46. “Rev. B” board submitted for fabrication. Receiver board alignment tolerance measurements completed. Transmitter board alignment tolerance attempted. Problem with VCSEL identification
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Progress Report (November 14 - 20, 2002) Progress: HFE 4080-321 TO-46 • “Rev. B” board submitted for fabrication. • Receiver board alignment tolerance measurements completed. • Transmitter board alignment tolerance attempted. • Problem with VCSEL identification • Possibly smoked VCSEL by applying too much bias current • Lifted a pad on the board when switching parts
Planned Work (November 21 – 27, 2002) Planned work: • Build Rev. B boards • Test Rev. B boards with connectorized parts • Start alignment testing for Rev. B boards
RX Alignment Eye Diagrams Best Eye Y axis extreme X axis extreme
RX Alignment Results Alignment Detection Graph