A 2.4 GHz reference-less receiver for 1 Mbps QPSK demodulation

Wei-Zen Chen, Tai You Lu, Wei Wen Ou, Shun Tien Chou, Song Yu Yang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A 2.4 GHz reference-less single chip wireless receiver for 1 Mbps QPSK demodulation is presented. The receiver accomplishes LO carrier recovery and data demodulation directly from the RF received signal without resort to resonator based reference, such as crystal oscillator. Integrating LNA, mixer, LO carrier recovery loop, postamplifier, and digital demodulator on a single chip, the total power consumption is 20.4 mW.T he measured phase noise from a recovered carrier at 2.432 GHz is about -111 dBc/Hz at 1 MHz offset. The chip size is 1.75 x 1.55 mm2.

Original languageEnglish
Article number2165417
Pages (from-to)505-514
Number of pages10
JournalIEEE Transactions on Circuits and Systems I: Regular Papers
Volume59
Issue number3
DOIs
StatePublished - 1 Jan 2012

Keywords

  • Body area network (BAN)
  • Carrier recovery
  • Demodulator
  • QPSK
  • Reference-less
  • Wireless receiver

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