@inproceedings{CTT100552001,
  author = {Atsumi Niwa and Takahide Sato and Shigetaka Takagi and Nobuo Fujii},
  title = {Novel DC Offset Cancellation in Direct Conversion Receivers},
  booktitle = {Proceedings of 2008 3rd Interantional Sympsium on Communication, Control and Signal Procesing},
  year = 2008,
}

@inproceedings{CTT100553669,
  author = {丹羽篤親 and 高木茂孝 and 藤井信生},
  title = {ダイレクトコンバージョン受信機用DCオフセット除去回路の一構成法},
  booktitle = {電気学会研究会資料},
  year = 2008,
}

@inproceedings{CTT100544183,
  author = {丹羽篤親 and 高木茂孝 and 佐藤隆英 and 藤井信生},
  title = {低い遮断周波数を有する高域通過フィルタの集積化実現とその応用},
  booktitle = {電気学会研究会資料},
  year = 2007,
}

@inproceedings{CTT100522115,
  author = {Shigetaka Takagi and Takahide Sato and Atsumi Niwa and Nobuo Fujii},
  title = {Equivalent Replacement of OTAs by Resistive Networks in Leapfrog Filters with Transmission Zeros},
  booktitle = {Proc. IEEJ 2006 International Analog VLSI Workshop},
  year = 2006,
}