US Patent 7116253 Radio frequency digital-to-analog converter

Patent 7116253 was granted and assigned to STMicroelectronics on October, 2006 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

STMicroelectronics

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7116253

Date of Patent

October 3, 2006

Patent Application Number

10910917

Date Filed

August 3, 2004

Patent Primary Examiner

‌

Linh V. Nguyen

Patent 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.