Differential low noise amplifier (LNA) with common mode...

Details Differential low noise amplifier (LNA) with common mode... Differential low noise amplifier (LNA) with common mode...

2007-05-21

2008-12-30

Nguyen, Khanh V (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S258000

Reexamination Certificate

active

07471148

ABSTRACT:
A method, algorithm, architecture, circuits, and/or systems for low noise amplification are disclosed. In one embodiment, an amplifier can include an input stage, including a first differential input configured to receive a differential signal, a first current source coupled to the first differential input, a first current load receiving a first bias voltage and coupling the input stage to a first power supply, and a first pair of common mode feedback transistors, coupled to an output of the first current load and configured to limit a current to the first current source. The input stage provides an amplified signal to an additional stage having a structure similar to the input stage, configured to further amplify the amplified signal.

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patent: 7295070 (2007-11-01), Dillon
patent: 2007/0109051 (2007-05-01), Sutardja

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