1. ECE 4006-C Presentation the almost Last (10th)
Group 6
Dominic Saltarelli

2. Overview Received connectorized PD April 11th.
Built and tested Reciever
Ordered Second Board design
Continued issues with Transmitter
Getting new board on Friday
Write Paper

3. Receiver Baseline
D21.5

4. Receiver Baseline
K28.5

5. Receiver Baseline
K28.7

6. Receiver Baseline
PRBS7

7. Receiver Sensitivity
5 dB attenuation

8. Receiver Alignment Tolerance
Hamamatsu Unconnectorized PD. Approx 1.5 mm separation between fiber and lens.

9. Second Board (has been ordered)

10. Problems with Transmitter
Laser orientation, too easy to get it backwards.
Heat damage to parts, board, and chip from resoldering.
Traces come loose from resoldering.
Part availability.
Didn’t receive PD till recently, shortage of fresh capacitors
Ground plane shorts too easily.

11. Receive new board Friday.
Anticipated progress
Receive new board Friday.
Have fresh components available, and be *much* more careful in assembly.
Measure loop back, sensitivity, output levels and crosstalk of improved design and then compare performance of previous design results.
Write Paper

12. …then graduate
And be all homeless and poor with no job no money no nothing going to turn to a life of crime can’t believe economy had to drop in the dumpster now of all time jesus christ why why why why did this have to happen now can’t find a job no prospects life sucks and I want to die.