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. 09, 2016
Filed:
Jul. 08, 2011
Jan Van Sinderen, Liempde, NL;
Johannes Hubertus Antonius Brekelmans, Niederweert, NL;
Frank Harald Erich Ho Chung Leong, Eindhoven, NL;
Nenad Pavlovic, Eindhoven, NL;
Jan van Sinderen, Liempde, NL;
Johannes Hubertus Antonius Brekelmans, Niederweert, NL;
Frank Harald Erich Ho Chung Leong, Eindhoven, NL;
Nenad Pavlovic, Eindhoven, NL;
NXP B.V., Eindhoven, NL;
Abstract
The invention relates to frequency conversion systems, in particular for use as up-converters or down-converters in radiofrequency (RF) receivers or transmitters, exemplary embodiments including a radiofrequency receiver including an RF signal input; a mixing module including a first plurality of IF amplifiers each connected to the RF signal input via a switch; a multi-phase local oscillator signal generator configured to provide a switching signal to each switch; and a summing module configured to receive output signals from each of the IF amplifiers and to provide a second plurality of output IF signals from a weighted sum of the IF amplifier output signals, wherein the second plurality is different to the first plurality.