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:
May. 02, 1989
Filed:
Sep. 08, 1987
Applicant:
Inventor:
Ronald H Chapman, Winfield, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
341132 ; 341139 ; 341156 ; 358174 ;
Abstract
An adaptive range circuit (10) suitable for use with an analog to digital convertor (11) having operating range control inputs. The invention includes a peak detection unit (12) that can include a positive peak detector (13) and a negative peak detector (14) that provide signals representative of positive and negative peaks for the incoming analog signal to be digitized. These representative signals can be utilized to control the operating range of the A/D convertor (11).