Amplifiers – With semiconductor amplifying device – Including differential amplifier
Reexamination Certificate
2011-03-01
2011-03-01
Nguyen, Patricia (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including differential amplifier
C330S306000, C330S310000
Reexamination Certificate
active
07898333
ABSTRACT:
The present invention relates generally to an operational amplifier. In one embodiment, the present invention is an operational amplifier including a transimpedance input stage, the transimpedance input stage including a first stage connected to a first resistor and a second resistor, and an output stage connected to the transimpedance input stage.
REFERENCES:
patent: 5886581 (1999-03-01), Hugel et al.
patent: 6552605 (2003-04-01), Yoon
patent: 6816009 (2004-11-01), Hughes et al.
patent: 6834165 (2004-12-01), Feng
patent: 6873703 (2005-03-01), Enriquez
patent: 7075364 (2006-07-01), Gudem et al.
Griffith Zachary M.
Rodwell Mark J. W.
Urteaga Miguel E.
Nguyen Patricia
Snell & Wilmer L.L.P.
Teledyne Scientific & Imaging, LLC
The Regents of the University of California
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