A 54–862-MHz CMOS Transceiver for TV-Band White-Space Device Applications

  title={A 54–862-MHz CMOS Transceiver for TV-Band White-Space Device Applications},
  author={Jongsik Kim and Seung Jun Lee and Seungsoo Kim and Jong Ok Ha and Yun Seong Eo and Hyunchol Shin},
  journal={IEEE Transactions on Microwave Theory and Techniques},
A 54-862-MHz single-chip CMOS transceiver with a single LC voltage-controlled oscillator (VCO) fractional-N synthesizer is developed for TV-band white-space communications and cognitive radio applications. The transceiver is based on a single-conversion zero-IF architecture with integrated harmonic filtering capability. A combined harmonic rejection mixer and coarse RF tracking filter significantly lessens the in-band harmonic emission problem in the transmitter, as well as the harmonic mixing… CONTINUE READING
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