Methods and apparatus to provide slew enhancement for low...

Details Methods and apparatus to provide slew enhancement for low... Methods and apparatus to provide slew enhancement for low...

2006-06-12

2008-11-04

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S257000, C330S311000

Reexamination Certificate

active

07446606

ABSTRACT:
Methods and apparatus to provide increased current to a cascode amplifier to maximize slew rate are disclosed. The amplifier has a first input coupled to an input switch and a load circuit for amplifying an input voltage on the first input. A slewing input voltage to the amplifier is detected. Current is increased to the load circuit to increase the slew rate of an output voltage.

REFERENCES:
patent: 3859557 (1975-01-01), Grant et al.
patent: 6051999 (2000-04-01), To et al.
patent: 6650174 (2003-11-01), Bell
patent: 6734652 (2004-05-01), Smith
patent: 6788123 (2004-09-01), Roy
patent: 2006/0181350 (2006-08-01), Jones

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