An even harmonic type direct conversion SiGe-MMIC receiver for W-CDMA mobile terminals

  title={An even harmonic type direct conversion SiGe-MMIC receiver for W-CDMA mobile terminals},
  author={Eiji Taniguchi and Mitsuhiro Shimozawa and Takayuki Ikushima and Keiichi Sadahiro and Tomotaka Katsura and Koichi Maeda and Kouichi Itoh and Noriharu Suematsu and Tadashi Takagi and Osami Ishida},
  journal={2002 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium. Digest of Papers (Cat. No.02CH37280)},
An even harmonic type direct conversion MMIC receiver for W-CDMA mobile terminals in SiGe HBT technology is described. A 2-stage low noise amplifier (LNA) and two self biased anti-parallel diode pairs (APDPs) for even harmonic mixer (EH-MIX) are integrated into a single chip. The LNA employed dual bias feed circuit to improve the output power and linearity. The EH-MIX can obtain high IIP2 by using APDP. Noise performance of Schottky barrier diode (SBD) for APDP fabricated in SiGe process is… CONTINUE READING
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