Taisuke Kazama Toru Nakura Makoto Ikeda Kunihiro Asada Design of Active Substrate Noise Canceller using Power Supply di/dt Detector. 100-101 2007 conf/aspdac/2007 ASP-DAC http://doi.ieeecomputersociety.org/10.1109/ASPDAC.2007.357960 db/conf/aspdac/aspdac2007.html#KazamaNIA07