Lukas Fujcik Linus Michaeli Jiri Haze Radimir Vrba Sensor Signal Digitization Utilizing a Band-Pass Sigma-Delta Modulator. 860-863 2009 92-C IEICE Transactions 6 http://search.ieice.org/bin/summary.php?id=e92-c_6_860&category=C&year=2009&lang=E&abst= db/journals/ieicet/ieicet92c.html#FujcikMHV09