Boost operational amplifier

Details Boost operational amplifier Boost operational amplifier

2011-07-12

2011-07-12

Mottola, Steven J (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S257000

Reexamination Certificate

active

07978010

ABSTRACT:
A boost operational amplifier. A boot operational amplifier may include a differential amplifying unit amplifying and/or outputting an inputted differential voltage, a first mirroring unit mirroring a current flowing through a first output terminal of a differential amplifying unit, which may output a mirrored first mirror current, a second mirroring unit mirroring a current flowing through a second output terminal of a differential amplifying unit, which may output a mirrored second mirror current, a pull-up transistor connected between a first power source and an output node, which may switch based on a first and/or a second mirror current, and/or a pull-down transistor connected between a second power source and an output node, which may switch based on a first and/or a second mirror current.

REFERENCES:
patent: 5389894 (1995-02-01), Ryat
patent: 5491437 (1996-02-01), Rincon et al.
patent: 5990742 (1999-11-01), Suzuki

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