Systems and methods for mitigating distortion in...

Details Systems and methods for mitigating distortion in... Systems and methods for mitigating distortion in...

2011-07-12

2011-07-12

Nguyen, Khanh V (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S296000

Reexamination Certificate

active

07978011

ABSTRACT:
Systems and methods which implement degeneration circuitry in a single-ended amplifier circuit to mitigate distortion associated with one or more amplifier components are disclosed. A degeneration circuit of embodiments adds an impedance to cancel the second-order distortion of an amplifier transistor of a single-ended amplifier circuit. A bias circuit may be provided to minimize bias offset between an amplifier transistor and a corresponding degeneration transistor.

REFERENCES:
patent: 7532070 (2009-05-01), Cowley et al.
patent: 7696828 (2010-04-01), Chang
patent: 2009/0051424 (2009-02-01), Liu et al.

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