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:
Aug. 18, 2015
Filed:
May. 30, 2014
Applicants:
Alex A. Ford, Austin, TX (US);
Robert S. Jones, Iii, Austin, TX (US);
Inventors:
Alex A. Ford, Austin, TX (US);
Robert S. Jones, III, Austin, TX (US);
Assignee:
FREESCALE SEMICONDUCTOR, INC., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/06 (2006.01); H03M 1/08 (2006.01); H03M 1/36 (2006.01); H03K 3/013 (2006.01);
U.S. Cl.
CPC ...
H03M 1/0845 (2013.01); H03K 3/013 (2013.01); H03M 1/36 (2013.01);
Abstract
The present disclosure provides methods and circuits for compensating reference shifting error. A compensation reference voltage is applied to an error compensation circuit, which is coupled to a multiplying circuit. A compensation parasitic capacitance is induced in the error compensation circuit. The compensation parasitic capacitance is configured to negate a parasitic capacitance induced in the multiplying circuit.