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. 27, 2006
Filed:
Jul. 25, 2003
Dennis A. Dempsey, Crecora, IE;
Thomas G. O'dwyer, Clonlara, IE;
Oliver J. Brennan, Adare, IE;
Alan Walsh, Tullamore, IE;
Tudor Vinereanu, Frenches Quay, IE;
Dennis A. Dempsey, Crecora, IE;
Thomas G. O'Dwyer, Clonlara, IE;
Oliver J. Brennan, Adare, IE;
Alan Walsh, Tullamore, IE;
Tudor Vinereanu, Frenches Quay, IE;
Analog Devices, Inc., Norwood, MA (US);
Abstract
An integrated digital calibration circuit and digital to analog converter includes a digital to analog converter (DAC) and a digital calibration circuit including a memory for storing predetermined end point coefficients of the digital to analog converter transfer function; and an arithmetic logic unit for applying the end point coefficients to the DAC input signal to adjust the end points of the DAC and/or analog signal chain.