Low power line driver and method thereof

Details Low power line driver and method thereof Low power line driver and method thereof

2011-08-02

2011-08-02

Le, Don P (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S021000

Reexamination Certificate

active

07990176

ABSTRACT:
A line driver for a communications system requiring multiple power sources for different modes of operation comprises a current source and a voltage source coupled in parallel with the current source. The current source has a first terminal and a second terminal. The line driver further comprises a first source resistor coupled to the first terminal of the current source and a second source resistor coupled to the second terminal of the current source. The current source provides a driving current and the voltage source provides a driving voltage at the same time during operations of the communications system.

REFERENCES:
patent: 3467787 (1969-09-01), Baade
patent: 6812733 (2004-11-01), Plasterer et al.
patent: 6919742 (2005-07-01), McGlinchey
patent: 7019552 (2006-03-01), Wang et al.
patent: 7764067 (2010-07-01), Lindsey

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