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. 20, 2012
Filed:
Jun. 15, 2007
Frederic F. Villain, Caen, FR;
Olivier Burg, Caen, FR;
Frederic F. Villain, Caen, FR;
Olivier Burg, Caen, FR;
ST-Ericsson SA, Geneva, CH;
Abstract
A mixer circuit to mix a RF (Radio Frequency) signal with a LO (Local Oscillator) signal to generate an IF (Intermediate Frequency) signal including a dummy branch connected in parallel of a mixing branch, the dummy branch including a transconductance stage having an input connected to a reference potential independent from the RF signal, to transform the reference potential into a current signal, and a current switching core to switch the current signal according to LO and signals, and chopping switches to connect in series the transconductance stage of the mixing branch to the current switching core of the mixing branch and, in the alternative, to the current switching core of the dummy branch under the control of a chopping signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile