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:
Jan. 10, 2012
Filed:
Sep. 15, 2008
Ali Nazemi, Aliso Viejo, CA (US);
Georgios Asmanis, San Diego, CA (US);
German Cesar Augusto Luna, Cordoba, AR;
Mahyar Kargar, Irvine, CA (US);
Carl Grace, Raleigh, NC (US);
Sumant Ramprasad, San Jose, CA (US);
Ali Nazemi, Aliso Viejo, CA (US);
Georgios Asmanis, San Diego, CA (US);
German Cesar Augusto Luna, Cordoba, AR;
Mahyar Kargar, Irvine, CA (US);
Carl Grace, Raleigh, NC (US);
Sumant Ramprasad, San Jose, CA (US);
Clariphy Communications, Inc., Irvine, CA (US);
Abstract
A lookahead pipelined ADC architecture uses open-loop residue amplifiers with calibration. This approach is able to achieve a high-speed, high-accuracy ADC with reduced power consumption. In one aspect, an ADC pipeline unit includes a plurality of lookahead pipeline stages (i.e., an ADC lookahead pipeline) coupled to a calibration unit. The ADC lookahead pipeline uses open-loop residue amplifiers. The calibration unit compensates for non-linearity in the open-loop amplifiers.