Gigabit Ethernet – Design Plan ECE 4006 Harsh Sopory Kaushik Narayanan Nafeez Bin Taher

Topics to be discussed Research Goals Research Goals Design Steps Design Steps Agilent Schematic Agilent Schematic Our Schematic Our Schematic Board Design Considerations Board Design Considerations Component Considerations Component Considerations

Research Goals Long Term: Reduce cost of Gigabit Ethernet Long Term: Reduce cost of Gigabit Ethernet Our Goal: Set up test bed for future research Our Goal: Set up test bed for future research Card and Module to be used : Card and Module to be used : Intel PRO/1000 Gigabit Server Adapter Intel PRO/1000 Gigabit Server Adapter Agilent HFBR 53D5 Optical Transceiver

Design Steps Construct Evaluation Board Construct Evaluation Board Remove Transceiver from card Remove Transceiver from card Place components and Transceiver on Board Place components and Transceiver on Board Test Board Test Board Connect Board to Gigabit Card Connect Board to Gigabit Card Test setup with another Gigabit Card Test setup with another Gigabit Card

Agilent Schematic

Circuit Schematic

Board Design Considerations Power Supply Filtering Circuit Power Supply Filtering Circuit Transmission Lines and Terminations Transmission Lines and Terminations

Component Details Capacitors mainly used for Decoupling Capacitors mainly used for Decoupling –Capacitors used to separate power supplies from circuit. –Protect circuits from transients Resistors used for terminations and biasing Resistors used for terminations and biasing

Possible Problems Improper Soldering Improper Soldering Termination network on card does not exactly match network on Board Termination network on card does not exactly match network on Board