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:
May. 01, 2012
Filed:
Aug. 08, 2007
Edris Rostami, Los Angeles, CA (US);
Rahim Bagheri, Los Angeles, CA (US);
Masoud Djafari, Marina Del Rey, CA (US);
Abbas Komijani, Los Angeles, CA (US);
Edris Rostami, Los Angeles, CA (US);
Rahim Bagheri, Los Angeles, CA (US);
Masoud Djafari, Marina Del Rey, CA (US);
Abbas Komijani, Los Angeles, CA (US);
WiLinx Corporation, Carlsbad, CA (US);
Abstract
Embodiments of the present invention include circuits and methods for improving the spectral purity of mixer circuits. In one embodiment the present invention includes a mixer circuit comprising a first transistor having a gate, a source and a drain, a second transistor having a gate, a source and a drain, a first capacitance coupled between the source of the first transistor and the source of the second transistor and a bias circuit having an input, a first output coupled to the source of the first transistor and a second output coupled to the source of the second transistor. The present invention may be advantageously used in a wireless transmitter application.