Package electrical specifications for giga bit signaling I/Os

Shrivastava, U.A.; Prokofiev, V.; Lee, Chee Hoo; Augustine, Anne; Polka, L.A.

doi:10.1109/ectc.2003.1216486

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Board To Board Inductive Coupling Test Vehicle1

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“…Return loss is better than or equal to -10dB from 500MHz to 3GHz, and insertion loss is better than or equal to -3.7 dB from 220MHz to 3GHz. These performance metrics offer potential for deployment as backplane connectors [7]. Figure. 8 shows a circuit model for the 10mm outer diameter transformer.…”

Section: Board To Board Inductive Coupling Test Vehiclementioning

confidence: 99%

Inductively Coupled Board-to-Board Connectors

Chandrasekar

Feng

Wilson

et al.

Proceedings Electronic Components and Technology, 2005. ECTC '05.

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This paper discusses the potential application of inductive coupling elements as backplane connectors. Tradeoffs in the choice of inductive elements are discussed and a simple circuit model for electrically large board-to-board transformers is presented. Measured data for a 10mm outer diameter transformer shows an acceptable eye opening for 400Mbps NRZ data, and over 1GHz of bandwidth in the frequency domain. We also discuss how inductive connectors could find application in future long range FR4 backplanes.

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Section: Board To Board Inductive Coupling Test Vehiclementioning

confidence: 99%