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.
Patent No.:
Date of Patent:
Oct. 15, 2019
Filed:
Mar. 07, 2018
Applicant:
Bae Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);
Inventors:
Kathiravan Krishnamurthi, Westford, MA (US);
Gregory M. Flewelling, Freeport, ME (US);
Assignee:
BAE Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01); H03F 7/04 (2006.01); H03F 1/34 (2006.01); H03F 1/26 (2006.01);
U.S. Cl.
CPC ...
H03F 7/04 (2013.01); H03F 1/26 (2013.01); H03F 1/34 (2013.01);
Abstract
A variable gain amplifier circuit including a first amplifier, a second amplifier, and a variable capacitor connected in series between the first amplifier and the second amplifier is disclosed. As a gain of the variable gain amplifier circuit varies, the input impedance, output impedance, noise figure and third-order output intercept point (OIP3) of the variable gain amplifier circuit remain unchanged.