Low distortion and high slew rate output stage for voltage...

Details Low distortion and high slew rate output stage for voltage... Low distortion and high slew rate output stage for voltage...

2006-03-07

2006-03-07

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S267000

Reexamination Certificate

active

07009450

ABSTRACT:
A voltage feedback (“VF”) operational amplifier (“op-amp”) that includes a circuit operable to dynamically bias pre-driver transistors at the op amp output stage. This arrangement provides a dynamic bias from a common base gain stage (302) to the pre-drivers (338, 339) of the output stage (303) so that higher slew rate is achieved with minimal discontinuity in the signal.

REFERENCES:
patent: 5789982 (1998-08-01), Uscategui et al.
patent: 5798673 (1998-08-01), Griffith et al.

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