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:
Mar. 30, 2010
Filed:
Oct. 01, 2007
Applicants:
Shaorui LI, Summit, NJ (US);
Jinghong Chen, Basking Ridge, NJ (US);
Lawrence Rigge, Emmaus, PA (US);
Inventors:
Shaorui Li, Summit, NJ (US);
Jinghong Chen, Basking Ridge, NJ (US);
Lawrence Rigge, Emmaus, PA (US);
Assignee:
Agere Systems Inc., Allentown, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A passive mixer includes a transconductance amplifier having a source degeneration capacitance. The transconductance amplifier has an input for receiving an input signal and an output for outputting a current signal. A multiplier is provided for mixing a local oscillator signal with the current signal so as to provide an output signal at an output of the passive mixer. A capacitive load is connected to the output of the passive mixer.