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:
Dec. 30, 2008
Filed:
Jun. 13, 2006
Steven R. Norsworthy, Cardiff, CA (US);
Andrew Tham, San Diego, CA (US);
Jason Rupert Redgrave, Mountain View, CA (US);
Aubrey Arthur Grey, Thousand Oaks, CA (US);
Steven R. Norsworthy, Cardiff, CA (US);
Andrew Tham, San Diego, CA (US);
Jason Rupert Redgrave, Mountain View, CA (US);
Aubrey Arthur Grey, Thousand Oaks, CA (US);
STMicroelectronics N.V., , NL;
Abstract
A radio frequency digital-to-analog converter with a programmable current output. In exemplary aspects of the invention, improved apparatus and methods for providing (i) current mirror matching, (ii) enhanced current pulse rising edge performance, (ii) reduced base voltage swing, and (iv) compensated high voltage swing, are provided. The foregoing apparatus and methods can be applied to any RF signal application (wireless or otherwise), including for example wireless cellular handsets.