The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 26, 2016

Filed:

Apr. 02, 2013
Applicant:

Franklin M. Murden, Roan Mountain, TN (US);

Inventor:

Franklin M. Murden, Roan Mountain, TN (US);

Assignee:

ANALOG DEVICES, INC., Norwood, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01); H03F 3/45 (2006.01); H03G 3/00 (2006.01); H03F 3/19 (2006.01);
U.S. Cl.
CPC ...
H03F 3/68 (2013.01); H03F 3/45179 (2013.01); H03F 3/45183 (2013.01); H03G 3/007 (2013.01); H03F 3/19 (2013.01); H03F 2200/408 (2013.01); H03F 2203/45051 (2013.01); H03F 2203/45652 (2013.01);
Abstract

A cascaded amplifier including a pre-amplifier stage having a pair of first transistors, each of the first transistors having a first gate terminal coupled to a first input voltage, a trans-conductive (gm) amplifier stage having a pair of second transistors, each of the second transistors having a second gate terminal coupled to a drain terminal of one of the first transistors, and an integrator amplifier stage having a pair of third transistors, each of the third transistors having a third gate terminal coupled to a drain node of one of the second transistors, each of the third transistors having their drain terminals coupled to an output voltage.


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