A Full-CMOS Single Chip Bluetooth LSI with 1.5MHz-IF Receiver and Direct Modulation Transmitter ; F. Hatori, H. Ishikuro, M. Hamada, K. Agawa, S. Kousai, H. Kobayashi, and D.M.Nguyen ; IEICE Trans. Electron. ; 電子情報通信学会 ; ; V.E87-C/No.4 ; 2004/04?