1. ECE 4006-B GIGABIT ETHERNET GROUP #7 Update Presentation #11
PLANNED WORK
week #Nov. 25th – Dec. 2nd
Complete unconnectorized Assembly
Continue trouble shooting
Finish TX and RX alignment tolerance testing
Complete TX and RX error rate testing (connectorized)
Start 2nd Build ?????
Start Final paper
PROGRESS
Connectorized RX Board Assembled and working !!
Connectorized TX Board Assembled and working !!
Received connectorized PD (Thank you G6 !!!)
Received connectorized components (finally) from vendor
TX and RX Repairs and modifications
THANKS G1 !!!!!
Started unconnectorized assembly
Presented by: Boun Vongsamphanh

2. RX Changes (schematic view)

3. TX Changes (schematic view)

4. Eye diagram for G7 transmitter throughput
PRBS7
K28.5
Honeywell HFE
Peak Wavelength
850 nm
Slope Efficiency
0.15 mW/mA
Threshold Current
3.5 mA
HOME

5. Eye diagram for G7 receiver throughput
PRBS7
K28.5
Optoway OPDR1-GSA3
Peak wavelength
850 nm
Responsivity
0.55 mA/mW
Capacitance
1.5 pF
“Bad” eye diagrams (showing gradual improvement during initial repairs)
HOME

6. Both TX and RX working Eye diagram for G7 transmitter connected to G7 receiver !!
PRBS7
K28.7
HOME

7. ECE 4006-B GIGABIT ETHERNET GROUP #7 Update Presentation #11

8. End of Slideshow ;)