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:
Nov. 09, 1999
Filed:
Jun. 06, 1997
Applicant:
Inventors:
Todd L Brooks, Boston, MA (US);
David Robertson, Boxford, MA (US);
Assignee:
Analog Devices, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341143 ; 341155 ;
Abstract
An ADC system includes a sigma-delta modulator that receives an analog input and provides a first digital output and an analog output. An ADC, coupled to the sigma-delta modulator, receives the analog output as an input and provides a second digital output. A digital processor, coupled to the sigma-delta modulator and the ADC, receives the first and second digital outputs and provides a digital representation of the analog input.