System and method for improved bias matching

Details System and method for improved bias matching System and method for improved bias matching

2005-07-05

2005-07-05

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

C330S296000

Reexamination Certificate

active

06914486

ABSTRACT:
Systems and methods to improve bias matching (e.g., for a current feedback amplifier) are described. A compensation signal is combined with one or more bias signals to mitigate mismatch between the bias signals. The compensation signal is generated to correspond to the mismatch between the bias signals. This approach can be implemented to improve performance of an associated amplifier, such as by reducing offset at an input of a portion of the amplifier (e.g., an input buffer) that is biased by the bias signals.

REFERENCES:
patent: 4462004 (1984-07-01), Cox et al.
patent: 6424225 (2002-07-01), Choi et al.
patent: 6765443 (2004-07-01), Pehike

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