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. 31, 2004
Filed:
Oct. 04, 2002
Applicant:
Inventor:
Lorenzo Maria Carpineto, Antibes, FR;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/00 ;
U.S. Cl.
CPC ...
H04B 1/00 ;
Abstract
A quadrature divider includes a first analog mixer ( ) for receiving a digital input signal at a predetermined frequency at a first input of the mixer and a second analog mixer ( ) for receiving the input signal with a 180° phase shift at a first input of the mixer. The output of the first mixer is coupled to a second input of the first mixer and an output of the second mixer is coupled to a second input of the second mixer.