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. 02, 2016
Filed:
Oct. 11, 2012
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Martin Anderson, Löddeköpinge, SE;
Lars Sundström, Södra Sandby, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
A continuous-time ΔΣ-ADC () is disclosed. It comprises a sampled quantizer () arranged to generate samples y(n) of a digital output signal of the ΔΣ-ADC () at sample instants nT, where n is an integer sequence index and T is a sampling period, based on an analog input signal to the quantizer (). Furthermore, the ΔΣ-ADC () comprises one or more DACs (-), each arranged to generate an analog feedback signal based on the samples of the digital output signal generated by the sampled quantizer (). Moreover, the ΔΣ-ADC () comprises a continuous-time analog network () arranged to generate the analog input signal to the quantizer () based on the feedback signal(s) from the one or more DACs (-) and an analog input signal to the ΔΣ-ADC (). At least one DAC () of the one or more DACs () comprises two switched-capacitor DACs () arranged to operate on the same input but with a mutual delay in time. A corresponding radio receiver circuit (), a corresponding intergrated circuit (), and a corresponding radio communication apparatus () are also disclosed.