capstone design update week 9 ece 4006 – group 1
DESCRIPTION
Capstone Design Update Week 9 ECE 4006 – Group 1. Presentation by: Ragad Amin Al-Huq 27 March, 2003. Progress Summary. Completed and turned in the first report Built the circuit for the regular design of the transceiver module Tested the receiver and transmitter - PowerPoint PPT PresentationTRANSCRIPT
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Capstone Design UpdateCapstone Design UpdateWeek 9Week 9
ECE 4006 – Group 1ECE 4006 – Group 1Presentation by:Presentation by:
Ragad Amin Al-HuqRagad Amin Al-Huq
27 March, 200327 March, 2003
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Progress SummaryProgress Summary
Completed and turned in the first reportCompleted and turned in the first report
Built the circuit for the regular design of Built the circuit for the regular design of the transceiver modulethe transceiver module
Tested the receiver and transmitterTested the receiver and transmitter
Started to solder in the parts for the Started to solder in the parts for the aggressive designaggressive design
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Completed Transceiver BoardCompleted Transceiver Board
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Oops!! might have blown up the PD!!Oops!! might have blown up the PD!!
Got confused between the Got confused between the cathode and the anodecathode and the anode
Grounded the cathode pin of Grounded the cathode pin of the photodetectorthe photodetector
Remedy: scratched off the Remedy: scratched off the connection between ground connection between ground and cathode pin, reversed and cathode pin, reversed the PD on the boardthe PD on the board
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Maybe not!Maybe not!
PRBS7 K28.5
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Transmitter Test ResultsTransmitter Test Results
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However…However…
When constructing the board initially, we When constructing the board initially, we soldered in the common cathode VCSEL soldered in the common cathode VCSEL with the anode going to ground.with the anode going to ground.
After we fixed this, no signal was After we fixed this, no signal was transmittingtransmitting
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Gantt ChartGantt Chart
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Upcoming TasksUpcoming Tasks
Continue with the testingContinue with the testing