Amplifier with improved linearization

Details Amplifier with improved linearization Amplifier with improved linearization

2008-05-23

2010-11-16

Choe, Henry K (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S253000

Reexamination Certificate

active

07834698

ABSTRACT:
According to some embodiments, an amplifier may include a transconductance stage, a tail current source stage, and an adaptive biasing stage. The transconductance stage may be configured to receive an input voltage. The tail current source stage may be configured to provide current to the transconductance stage. The adaptive biasing stage may capacitively couple the transconductance stage to the tail current source stage.

REFERENCES:
patent: 6614301 (2003-09-01), Casper et al.
patent: 6972624 (2005-12-01), Stroet
patent: 7176759 (2007-02-01), Joos et al.
patent: 7268625 (2007-09-01), Shin
patent: 7279924 (2007-10-01), Shumarayev
patent: 7382197 (2008-06-01), Iyer
patent: 2007/0229154 (2007-10-01), Kim et al.
International Search Report and Written Opinion—PCT/US2009/045065, International Search Authority—European Patent Office—Sep. 2, 2009.

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