Amplifiers – With semiconductor amplifying device – Including differential amplifier
Reexamination Certificate
2007-08-14
2007-08-14
Nguyen, Khanh Van (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including differential amplifier
C330S264000
Reexamination Certificate
active
11034041
ABSTRACT:
A system and a method are disclosed for providing a constant swing high-gain complementary differential limiting amplifier. High gain for the differential amplifier is created by providing a current to the driving transistors that is a combination of any of (a) constant current, (b) transconductance based current, and (c) temperature compensated based current. A constant differential output swing is created by providing a varying differential current to the output load resistors of the differential amplifier that tracks process and temperature variations within the output load resistors.
REFERENCES:
patent: 6956436 (2005-10-01), Li et al.
patent: 6985035 (2006-01-01), Khorramabadi
Koh Yongseon
Ziazadeh Ramsin M.
National Semiconductor Corporation
Nguyen Khanh Van
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