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High-Speed Differential Transmitter With Programmable Pre-Emphasis and De-Emphasis Options Based Upon Current Bias Circuit With Adjustable Current Strength

IP.com Disclosure Number: IPCOM000010055D
Publication Date: 2002-Oct-16

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method that uses a high-speed differential transmitter to pre-compensate for losses in the media at certain data rates (Pre-Emphasis, or PE) and avoid over-driving at the others (De-Emphasis, or DE). Benefits include providing a robust and economical implementation of PE and DE.