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:
Apr. 13, 2021

Filed:

Aug. 21, 2019
Applicant:

Georgia Tech Research Corporation, Atlanta, GA (US);

Inventors:

Milad Frounchi, Atlanta, GA (US);

John D. Cressler, Atlanta, GA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/13 (2014.01); H03H 7/21 (2006.01); H03H 7/06 (2006.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/13 (2013.01); H03H 7/06 (2013.01); H03H 7/21 (2013.01); H03K 2005/00286 (2013.01);
Abstract

A method for in-phase (I) and quadrature (Q) signal generation is disclosed. The method may include a first stage receiving a differential input signal. The first stage may also generate first differential in-phase and quadrature output signals, which may be sent by the first stage to a second stage. The second stage may generate second differential in-phase and quadrature output signals, which may have amplitude and phase mismatches less than an amplitude and phase mismatches of the first differential output signals. The second stage may then output the second differential I/Q output signals.


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