Amplifiers – With semiconductor amplifying device – Including differential amplifier
Reexamination Certificate
2009-07-22
2011-10-04
Nguyen, Hieu (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including differential amplifier
C330S258000
Reexamination Certificate
active
08031000
ABSTRACT:
To provide a common-mode feedback circuit that feeds back signal corresponding to common-mode components of output terminal voltage of first and second amplifiers to input terminals of the first and second amplifiers via first and second passive elements connected to a common terminal, respectively.
REFERENCES:
patent: 6140877 (2000-10-01), Forbes
patent: 6429734 (2002-08-01), Wang et al.
patent: 6677822 (2004-01-01), Hasegawa
patent: 7005919 (2006-02-01), Petrovic et al.
patent: 7521999 (2009-04-01), Kurose et al.
patent: 10-322143 (1998-12-01), None
patent: 2006-174033 (2006-06-01), None
Kabushiki Kaisha Toshiba
Nguyen Hieu
Turocy & Watson LLP
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