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:
Sep. 30, 2014
Filed:
Sep. 20, 2012
Lsi Corporation, Milpitas, CA (US);
Roger A. Fratti, Mohnton, PA (US);
LSI Corporation, San Jose, CA (US);
Abstract
An apparatus comprises a direct digital synthesizer, a mixer having first and second input ports and an output port, and a numerically-controlled oscillator. The direct digital synthesizer has a first output coupled to the first input port of the mixer and a second output coupled to a control input of the numerically-controlled oscillator, and the numerically-controlled oscillator has an output coupled to the second input port of the mixer. The mixer provides a quadrature modulated signal at its output port, and the first and second outputs of the direct digital synthesizer control respective portions of the quadrature modulated signal. For example, the first and second outputs of the direct digital synthesizer may control respective amplitude and phase portions of the quadrature modulated signal.