Presenter: Nassisa-Geda Techane. 2 Highlights of the Last Two Weeks Midterm paper done! More tests...
-
Upload
arthur-long -
Category
Documents
-
view
213 -
download
0
Transcript of Presenter: Nassisa-Geda Techane. 2 Highlights of the Last Two Weeks Midterm paper done! More tests...
Presenter: Nassisa-Geda Techane
2
Highlights of the Last Two Weeks
• Midterm paper done!
• More tests to be performed on the board– Awaiting calibrated optical test equipment.
• Weekly meetings conducted as usual (2x/wk)
• GANTT chart updated
3
The Midterm Paper
• What’s in the paper?
• Conclusions:
• the board is functional
• time and financial constraints satisfied
• group management proved effective
Baseline: Rx
Baseline: Tx
Loop-back
4
More on the Loop-Back Test
• Loop-back test with a 5-dB attenuator: (VCSEL @ max Ibias & Imod)
i. between the VCSEL and PD– no perceivable eye-diagram
ii. between the VCSEL and the Rx of GDS1250– clear eye-diagram
• Why?– not enough P from the VCSEL, even @ max Ibias & Imod
– PD not sensitive enough to discern attenuated signal
5
Preparation for Run-2
• More tests pending – Awaiting calibrated optical test equipment.
• What’s next:– Financial budget:
• out of the $350.00, $142.55 left for Run-2– Time:
• the design of Run-2 running late; HOWEVER,– things won’t go bad since the schedule is revised
6
7
Plans for the Coming Week
• Perform the remaining tests as the calibrated optical test equipment becomes available.
• Start designing Run-2• Finalize the budget/vendor details for Run-2• …• And, the weekly meetings