Hybrid H-bridge and CML driver

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United States of America Patent

PATENT NO 8797064
SERIAL NO

13738265

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Abstract

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In one embodiment, a hybrid output buffer having both an H-bridge mode and a CML mode of operation includes a plurality of transistor switches arranged between an upper rail and a bottom rail. A first pair of the transistor switches couples between the upper rail and respective output nodes. A pair of resistors couples between the output nodes and a central node. During H-bridge mode, the hybrid output buffer controls a potential of the upper rail responsive to a feedback signal proportional to a difference between a potential of the central node and a common-mode voltage.

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Patent Owner(s)

  • LATTICE SEMICONDUCTOR CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ho, Vinh Milpitas, US 9 9
Jayaram, Magathi San Jose, US 5 3
Lin, Allan Cupertino, US 13 51

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