Y. Takamatsu, R. Fujimoto, T. Sekine, T. Yasuda, M. Nakamura, T. Hirakawa, M. Ishii, M. Hayashi, H. Ito, Yoko Wada, T. Imayama, Tatsuro Oomoto, Y. Ogasawara, Masaki Nishikawa, Y. Yoshida, Kenji Yoshioka, S. Saigusa, H. Yoshida, N. Itoh
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引用次数: 3
Abstract
This paper presents the first published single-chip RF tuner / OFDM demodulator for a mobile digital TV application (1-segment broadcasting). To improve the minimum sensitivity, spurious signal suppression techniques are proposed. The single-chip RF tuner / OFDM demodulator using the proposed spurious signal suppression techniques is fabricated using 90nm CMOS technology and total die size is 3.26mm×3.26mm. By suppressing undesired spurious signals, the minimum sensitivity of −98.6dBm is achieved. The optimum current consumption is chosen for the RF tuner by using an adaptive control, the power consumption of the proposed single-chip receiver is only 60mW in medium-signal receiving mode.
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