Minho Kwon Gunhee Han An I/Q Channel Time-Interleaved Band-Pass Sigma-Delta Modulator for a Low-IF Receiver. 5-8 2007 conf/iscas/2007 ISCAS http://doi.ieeecomputersociety.org/10.1109/ISCAS.2007.378129 db/conf/iscas/iscas2007.html#KwonH07