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

Författare:
  • Lars Sundström
  • Martin Andersson (Assistant Professor)
  • Mattias Andersson
  • Pietro Andreani
Publiceringsår: 2012
Språk: Engelska
Sidor: 265-268
Dokumenttyp: Konferensbidrag

Sammanfattning

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.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

IEEE International Symposium on RF Integrated Circuits (RFIC)
2012-05-20/2012-05-23
Montreal, Canada
Published
Yes
  • Elektronikkonstruktion
  • Analog RF
  • Data converters & RF

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