Single-ended input to differential output low noise...

Details Single-ended input to differential output low noise... Single-ended input to differential output low noise...

2007-03-20

2007-03-20

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including balanced to unbalanced circuits and vice versa

C330S302000, C330S310000

Reexamination Certificate

active

11124094

ABSTRACT:
A single-ended input to differential output LNA with a cascode topology of the present invention overcomes a much greater consumption of current and area for the single-ended input to differential output LNA of the prior art. The LNA needs to supply an operating bias for each transistor. The LNA has a few transistors, a few capacitive impedances, and a few inductive impedances. The main objective of the present invention not only reduces costs and conserves area and current consumption, but also has a much higher linearity and gain under the same current consumption when compare to the prior art.

REFERENCES:
patent: 5868061 (1999-02-01), Hansen et al.
patent: 6094108 (2000-07-01), Suematsu et al.
patent: 6122532 (2000-09-01), Taylor
patent: 6133793 (2000-10-01), Lau et al.
patent: 6850120 (2005-02-01), Heima et al.
patent: 7035616 (2006-04-01), Reynolds
patent: 7053718 (2006-05-01), Dupuis et al.

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