Harmonic Rejection Mixer at ADC Input for Complex IF Dual Carrier Receiver Architecture

Summary, in English

This paper presents a receiver architecture for intraband

dual-carrier reception as specified for the upcoming

releases of 3GPP WCDMA and LTE standards. It is based on a

time-discrete harmonic rejection complex-IF mixer to limit the

bandwidth requirements on the ADCs to that of a single carrier.

The mixer has been designed and fabricated together with a 3rd

order continuous-time (CT) delta-sigma ADC for proof-of-concept

evaluation. Measurements show at least 68dB

rejection at 2nd to 4th LO harmonic.

• Author: Lars Sundström; Martin Andersson; Mattias Andersson; Pietro Andreani
• Department/s: Departments at LTH; Department of Electrical and Information Technology; ELLIIT: the Linköping-Lund initiative on IT and mobile communication
• Publishing year: 2012
• Language: English
• Pages: 265-268
• Publication/Series: Radio Frequency Integrated Circuits Symposium (RFIC), 2012
• Links: http://dx.doi.org/10.1109/RFIC.2012.6242278
• Document type: Conference paper
• Publisher: IEEE - Institute of Electrical and Electronics Engineers Inc.
• Topic: Electrical Engineering, Electronic Engineering, Information Engineering
• Conference name: IEEE International Symposium on RF Integrated Circuits (RFIC)
• Conference date: 2012-05-20 - 2012-05-23
• Conference place: Montreal, Canada
• Status: Published
• Research group: Data converters & RF; Analog RF; Elektronikkonstruktion
• ISBN/ISSN/Other: ISBN: 978-1-4673-0415-3