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:
Jun. 17, 2008
Filed:
Oct. 31, 2002
Applicants:
Noshir Behli Dubash, San Pedro, CA (US);
Robert Tso, South San Gabriel, CA (US);
Inventors:
Noshir Behli Dubash, San Pedro, CA (US);
Robert Tso, South San Gabriel, CA (US);
Assignee:
SiRF Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fractional-R synthesizer having a divider with rational increments and configurable in rational steps able to generate a plurality of frequencies in rational increments from a reference frequency. A voltage-controlled oscillator frequency (f) is related to the reference frequency (f) by: f=f/R, where Ris the average value of the rational divide value 'R' over a large number of reference cycles.