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:
Mar. 09, 1999
Filed:
Jul. 02, 1997
Applicant:
Inventors:
Shuran Wei, Bloomington, MN (US);
Daniel J Baxter, St. Paul, MN (US);
Alan S Fiedler, Minneapolis, MN (US);
Assignee:
LSI Logic Corporation, Milpitas, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ; H03B / ;
U.S. Cl.
CPC ...
323282 ; 331 57 ; 331175 ;
Abstract
A VCO supply voltage regulator includes a control voltage input, first and second supply voltage inputs, a regulated voltage output, a current source and an amplifier. The current source is coupled between the first voltage supply input and the regulated voltage output and has a bias input. The amplifier has an amplifier input coupled to the control voltage input, an amplifier output coupled to the bias input and a feedback input coupled to the regulated voltage output.