Gigabit Ethernet
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Transcript of Gigabit Ethernet
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Gigabit Ethernet
EE 164 Group 2 – Presentation 3
Ungtae Lee February 19th 2004 2/13
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Gigabit Ethernet Project Status 2/12-2/19
Completed/ In Progress Test Tx Eval board Built Rx Test board Revise Gantt Charts Explore Express PCB Tools Chose VCSEL and PD
vendors and parts Update Optical Link Budget Website
Upcoming Tasks Call vendors and order
parts Schematic board design
using Express PCB Tools
Group 2 – Presentation 3 February 19th 2004 2/13
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Gigabit Ethernet Tx Eval board
[1] Maxim 3287 Evaluation Board
[2] PRBS 7 signal at 1 sec. persistence
Group 2 – Presentation 3 February 19th 2004 3/13
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Gigabit Ethernet Rx Test board
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Gigabit Ethernet Rx Test board
[3] Finished Rx test board with all same value capacitors
Group 2 – Presentation 3 February 19th 2004 5/13
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[4] Major Triggering problems or just bad soldering?
Gigabit Ethernet Rx Test board
Group 2 – Presentation 3 February 19th 2004 6/13
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Gigabit Ethernet Rx Test board
[5] Group 1 Receiver board [6] PRBS 7 signal at 1 sec. persistence
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Gigabit Ethernet Rx Test board
[7] Luis’ Test board results PRBS 7 signal at 1 sec. persistence
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Gigabit Ethernet Gantt Chart
Gantt Chart 9/13
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Group 2 – Presentation 3 February 19th 2004 10/13
Gigabit Ethernet Express PBC Tools
[9] www.expresspcb.com
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Group 2 – Presentation 3 February 19th 2004 11/13
Gigabit Ethernet IEEE Laser Safety
[10] IEEE reference to eye safety
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Group 2 – Presentation 3 February 19th 2004 12/13
Gigabit Ethernet PD/VSCEL
Photo Diode: Device Parameters
Vendor Part#Cap pF (max) Responsively (A/W)
min typ
Lasermate PST M85A 306 1.50 0.35 0.40
Optek OPF 420 3.00 0.45 0.55
OSI FCI - 125G 006HR 0.65 0.36
Optoway OPDR1-GSA3 1.50 0.50 0.55
Vendor Part #Slope Efficiency
(mW/mA)Threshold Current
(mA)
min max typ min max typ
Honeywell HFE 438x521 0.02 0.04 0.1 3.5 6
Honeywell HFE 438x522 0.06 0.15 0.3 1.5 3.5 6
Optek OPV210 0.24 2 5
Luxnet VGIA 9001 SCTOSA 0.03 0.15 0.03 0.15
VCSEL: Device Parameters
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Honeywell VCSEL for Data Communicationhttp://content.honeywell.com/vcsel/products/datacom.stmLasermate Group, Inchttp://www.lasermate.com/ReGaAs.htmlOptek Photodiodeshttp://www.optekinc.com/receivers.htmOSI Fibercommhttp://www.osifibercomm.com/data/silicon/850nm-1.25Gbps.pdfOptowayhttp://www.optoway.com/eng/product_3.htm#Optek VCSELhttp://www.optekinc.com/vcsel.htmLuxnet VCSELhttp://www.luxnetcorp.com/products/pdf/VG1A-9001.pdf
Gigabit Ethernet Specification Links
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