High-Speed Continuous-Time Subsampling Bandpass DeltaSigmaAD Modulator Architecture Employing Radio Frequency DAC. - Masafumi Uemori; Haruo Kobayashi 001; Tomonari Ichikawa; Atsushi Wada; Koichiro Mashiko; Toshiro Tsukada; Masao Hotta (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)