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:
Jun. 08, 2010
Filed:
Feb. 27, 2007
Applicant:
Volker Christ, Neuss, DE;
Inventor:
Volker Christ, Neuss, DE;
Assignee:
Infineon Technologies AG, Nuebiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/62 (2006.01); H03M 1/88 (2006.01);
U.S. Cl.
CPC ...
Abstract
Embodiments of a digital-to-analog converter (DAC) with a logarithmic response and methods for converting digital signals to analog are generally described herein. Other embodiments may be described and claimed. In some embodiments, the DAC includes a wedge-shaped resistive array having a plurality of linearly-spaced contact nodes and a switching array to selectively couple one of the contact nodes with an analog output based on a control signal. Each of the contact nodes may provide a corresponding reference voltage that varies logarithmically with respect to the linearly-spaced contact nodes.