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

  • Lars Sundström
  • Martin Andersson (Assistant Professor)
  • Mattias Andersson
  • Pietro Andreani
Publiceringsår: 2012
Språk: Engelska
Sidor: 265-268
Publikation/Tidskrift/Serie: Radio Frequency Integrated Circuits Symposium (RFIC), 2012
Dokumenttyp: Konferensbidrag
Förlag: IEEE


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.



  • Electrical Engineering, Electronic Engineering, Information Engineering


IEEE International Symposium on RF Integrated Circuits (RFIC)
Montreal, Canada
  • Data converters & RF
  • Analog RF
  • Elektronikkonstruktion
  • ISBN: 978-1-4673-0415-3

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