Output buffer circuit and method with self-adaptive driving...

Details Output buffer circuit and method with self-adaptive driving... Output buffer circuit and method with self-adaptive driving...

2007-03-13

2009-06-16

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S108000

Reexamination Certificate

active

07548098

ABSTRACT:
An output buffer for providing a buffered current to a circuit load includes a plurality of operative stages, each one for generating a component of the buffered current and an enabling circuit for selectively enabling each operative stage. The output buffer further comprises at least one auxiliary stage and control means for measuring a control current that can be delivered by the at least one auxiliary stage and for activating the enabling means according to the measured control current.

REFERENCES:
patent: 6256235 (2001-07-01), Lee
patent: 6990033 (2006-01-01), Cho
patent: 7135896 (2006-11-01), Kobayashi

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