Pre-emphasis technique for on-chip voltage-driven single-ended-termination drivers

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United States of America Patent

PATENT NO 8446168
APP PUB NO 20120146686A1
SERIAL NO

12968190

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A transmitter configured for pre-emphasis is described. The transmitter includes a voltage-driven single-ended-termination driver circuitry. The voltage-driven single-ended-termination driver circuitry includes a first termination point and a second termination point. The transmitter also includes a pre-emphasis encoder circuitry. The pre-emphasis encoder circuitry receives a pre-emphasis signal. The transmitter may reduce signal loss in transmission lines by detecting a transition in a data stream, adjusting a source determination resistance and obtaining a gain from the adjusted source determination resistance.

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Patent Owner(s)

Patent OwnerAddress
QUALCOMM INCORPORATED5775 MOREHOUSE DRIVE SAN DIEGO CA 92121-1714

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maarouf, Fares K San Diego, US 2 14

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