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:
May. 01, 2012
Filed:
Jan. 13, 2010
Dongwon Seo, San Diego, CA (US);
Ganesh R Saripalli, San Diego, CA (US);
Tongyu Song, San Diego, CA (US);
Shahin Mehdizad Taleie, San Diego, CA (US);
Derui Kong, San Diego, CA (US);
Dongwon Seo, San Diego, CA (US);
Ganesh R Saripalli, San Diego, CA (US);
Tongyu Song, San Diego, CA (US);
Shahin Mehdizad Taleie, San Diego, CA (US);
Derui Kong, San Diego, CA (US);
QUALCOMM, Incorporated, San Diego, CA (US);
Abstract
A circuit for digital-to-analog conversion is described. The circuit includes a digital-to-analog converter (DAC). The DAC includes a double cascaded current source and a differential current-mode switch (DCMS). The circuit further includes a direct current (DC) offset stage. The circuit also includes a load attenuator. The double cascaded current source may be between the DCMS and a rail voltage.