Senior Design Project: Group IVSenior Design Project: Group IV

Gigabit Ethernet Optical Gigabit Ethernet Optical TransceiverTransceiver

Group Members: Jinesh Karia Rakesh Soni

James CummingsElisa HurwitzBishan Patel

Slowly, but Surely…

• Attenuation test results on receiver board.• Final board layout completed.• Financial Budget.• Started soldering transceiver board.• Progress up-to-date.• Coming up next week…

Attenuation Test Results…

Figure 1. Eye for PRBS7 at 70 dB(left) and for PRBS7 at 50 db.

       

Figure 9. Eye for K28.5 at 50db.

Finalized Board Layout…

Figure 2. Initial Board Layout. Circled areas show mistakes that have been corrected.

Figure 3. Approved and Final Transceiver Board Layout.

Money Situation…

Table 1. Detailed Financial Budget till Date.

Soldering started…

GANTT CHARTGANTT CHARTweek 1 week 2 week 3 week 4 week 5 week 6 week 7 week 8 week 9 week 10 week 11 week 12 week 13

9-Jan 16-Jan 23-Jan 30-Jan 6-Feb 13-Feb 20-Feb 27-Feb 7-Mar 14-Mar 21-Mar 28-Mar 4-Apr5-Jan 22-Jan 29-Jan 5-Feb 12-Feb 19-Feb 26-Feb 6-Mar 13-Mar 20-Mar 27-Mar 3-Apr 10-Apr

Projected Progress Actual Progress Revised Progress Late Progress

Weeks

LEGEND

Landmarks

Research

Build/Test Design

Vendor Info & Price

Build/Test Board

Optical Link Budget

Alignment Tolerance

Analysis and Writeups

Receiver Circuit Design

Transmitter Circuit Design

Circuit Board Design

TasksStart DateEnd Date

COMING UP NEXT…

• Finish soldering transceiver board.• Perform initial testing of Rx/Tx.• If tests fail, start troubleshooting.

QUESTIONS?