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. 14, 2013
Filed:
Feb. 11, 2009
Jan-erik Eklund, Linköping, SE;
Linnéa Rosenbaum, Linköping, SE;
Jan-Erik Eklund, Linköping, SE;
Linnéa Rosenbaum, Linköping, SE;
Signal Processing Devices Sweden AB, Linköping, SE;
Abstract
A device () for generating a digital output signal by digitizing an analog input signal is disclosed. The device () comprises a first signal path comprising a first ADC () arranged to convert a first component of the analog input signal, residing in a first frequency band (), to a first digital signal, and a second signal path comprising a second ADC () arranged to convert a second component of the analog input signal, residing in a second frequency band (), to a second digital signal. The first and the second frequency band () overlap, such that there is a common frequency sub band (), which is comprised in both the first and the second frequency band (). The device () comprises a combination unit (). The combination unit () is adapted to determine, based on signal content of the first and second digital signal in the common frequency sub band (), at least one parameter indicating a mismatch between the first and the second signal path in the common frequency sub band (). Furthermore, the combination unit () is adapted to generate a first compensated digital signal and a second compensated digital for compensating the mismatch between the first and the second signal path in the common frequency sub band (). Moreover, the combination unit () is adapted to combine the first compensated digital signal and the second compensated digital signal for generating the digital output signal. Corresponding methods are also disclosed.