ECE 4006B Fall, 2002, Group 3, Shahriar Khushrushahi Progress Report Period (September 5 – September 12, 2002) Cleared loose ends with respect to PDs and.

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ECE 4006B Fall, 2002, Group 3, Shahriar Khushrushahi Progress Report Period (September 5 – September 12, 2002) Cleared loose ends with respect to PDs and optical power budget Final list of VCSELs and PDs drawn up Contacted Vendors for pricing, availability and delivery times All Vendors have parts in stock, pricing and delivery times are reasonable Budget allocation –Approx. $100 for VCSELs –Approx $100 for PDs –Approx $124 for PCB fabs –Remaining for shipping Progress: Parts should be ordered. Start on design of Tx & Rx and their PCBs design. Next Week:

ECE 4006B Fall, 2002, Group 3, Shahriar Khushrushahi VCSEL & PD data Characteristics HFE438X-521HFE438X-522 Threshold Current (mA) Slope Eff. (mW/mA) Power output (  W) CharacteristicsHFE HFE Ith (mA)1.5-6 Slope Eff. (mW/mA) Power output (mW) Gbps VCSELs Unconnectorized (Honeywell product) 1.25 Gbps VCSELs SC Connectorized (Honeywell product) Responsivity (A/W)0.4 Aperture diameter ( mm )3.6 Dark Current (nA)1 Capacitance (pF)1.2 RSC-M85A306 (LASERMATE Inc) – Connectorized SC GaAs PIN Photodiode ( =850nm) CharacteristicsPDT-A85A30 (LASERMATE) S5971 (HAMAMATSU) Responsivity (A/W) Diameter of Aperture (mm) Forward Current (  A) 100 Capacitance (pF)1.23 Unconnectorized GaAs PIN Photodiodes