Amplifiers – With semiconductor amplifying device – Including push-pull amplifier
Reexamination Certificate
2011-05-24
2011-05-24
Nguyen, Hieu P (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including push-pull amplifier
C330S277000
Reexamination Certificate
active
07948316
ABSTRACT:
An amplifier is provided that includes an output portion that sources and sinks current associated with an output load and an amplification portion that is biased by a relatively small bias current with respect to an output current of the amplifier. The amplification portion provides an amplified output signal to the output portion. The amplifier further comprises at least one impedance component coupled between the output portion and the amplification portion to alter at least one pole associated with the amplifier to mitigate instability of the amplifier related to the relatively small bias current.
REFERENCES:
patent: 4335358 (1982-06-01), Hoeft
Chen Lin
Gu Yuan
Wong Kae Ann
Wu Wei-Chung
Brady III Wade J.
Nguyen Hieu P
Patti John J.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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