Friday, February 8, 2013

PCB Design for Ethernet - ICS1893BK

Rabbit TN266

System Design Guidelines for Stellaris - Texas Instruments

Pulse_Layout Considerations v7.pdf


Key Points: 

Remove planes under Ethernet Connector Transformer, ground plane maybe under the the Ethernet transformer if connector is shielded.

Keep TX and RX differential pairs separated ~ 0.050"

Avoid via stubs.

Chassis Ground.

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