Folded cascode amplifier having improved slew performance

Details Folded cascode amplifier having improved slew performance Folded cascode amplifier having improved slew performance

2006-06-02

2008-10-28

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S260000

Reexamination Certificate

active

07443237

ABSTRACT:
A folded cascode amplifier having improved slew comprises an input differential transistor pair circuit, a cascode branch circuit coupled to the differential pair circuit, and a boost circuit for increasing branch current when the amplifier is in a slew condition. The additional current increases slew of the amplifier without negatively affecting amplifier characteristics.

REFERENCES:
patent: 5475339 (1995-12-01), Maida
patent: 5477189 (1995-12-01), Koifman et al.
patent: 6043708 (2000-03-01), Barr
patent: 6590453 (2003-07-01), Tran et al.
patent: 6762646 (2004-07-01), Bell
patent: 7342450 (2008-03-01), Jones

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