Data transmitters and methods thereof

Details Data transmitters and methods thereof Data transmitters and methods thereof

2011-03-08

2011-03-08

Barnie, Rexford N (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

Reexamination Certificate

active

07902872

ABSTRACT:
In a data transmitter, a main line driver circuit transmits an input signal to a receiver via a channel. A pre-emphasis circuit emphasizes a voltage level of the transmitted input signal, and a pre-emphasis controller controls the pre-emphasis circuit. The pre-emphasis controller adjusts a pre-emphasis level of the pre-emphasis circuit to increase an amount of current supplied to the channel at a transition time of the input signal in accordance with the transition condition of the channel.

REFERENCES:
patent: 6288581 (2001-09-01), Wong
patent: 7126378 (2006-10-01), Stojanovic et al.
patent: 2002/0061072 (2002-05-01), Pickering et al.
patent: 2002/0135404 (2002-09-01), Payne et al.
patent: 2004/0124888 (2004-07-01), Radelinow
patent: 2006/0255829 (2006-11-01), Kim et al.
patent: 2005-217999 (2005-08-01), None

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