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:
Nov. 10, 2015
Filed:
Jun. 26, 2014
The Boeing Company, Chicago, IL (US);
Cynthia D. Baringer, Piedmont, CA (US);
Donald A. Hitko, Grover Beach, CA (US);
The Boeing Company, Chicago, IL (US);
Abstract
Disclosed herein is an apparatus for radio frequency digital-to-analog conversion of in-phase and quadrature bit streams. The apparatus may include a plurality of in-phase multiplying cells that receive an in-phase local oscillator signal and a plurality of in-phase bits, a plurality of quadrature multiplying cells that receive a quadrature local oscillator signal and a plurality of quadrature bits, a first output line connected to a first set of the plurality of in-phase multiplying cells and a first set of the plurality of quadrature multiplying cells, and a second output line connected to a second set of the plurality of in-phase multiplying cells and a second set of the plurality of quadrature multiplying cells. Each multiplying cell produces an output signal based on a received input bit. The output signals from each multiplying cell combine in phase on the connected output line.