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:
Feb. 10, 2009
Filed:
Jun. 04, 2003
Applicants:
Michael Farias, San Diego, CA (US);
John Groe, Poway, CA (US);
Damian Costa, San Diego, CA (US);
Inventors:
Assignee:
Sequoia Communications, San Diego, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/26 (2006.01); H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Direct down-conversion mixer. A direct down-conversion mixer is provided. The mixer comprises an LO switching pair coupled to receive an RF input signal and produce a down converted output signal. The mixer also comprises an integrator coupled to receive the output signal and produce an integrator output signal. The mixer also comprises a control circuit coupled to receive an input voltage and the integrator output signal to produce a control signal that is coupled to the LO switching pair.