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. 28, 2003
Filed:
May. 25, 2001
Applicant:
Inventors:
Michael A. Ruegg, Santa Cruz, CA (US);
Sasan Cyrusian, Scotts Valley, CA (US);
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L 7/06 ;
U.S. Cl.
CPC ...
H03L 7/06 ;
Abstract
A low voltage charge pump for a phase locked loop is disclosed. The low voltage charge pump provides linear control for a voltage at a loop filter. The charge pump is supplied by a power supply between 1.6 and 2.0 V and is configured to provide linear charging and discharging of the loop filter to a potential between 150 mVolts to within 150 mVolts of the power supply voltage.