F. Montaudon, D. Saias, A. Moutard, M. Bely, G. Provins, A. Dezzani, J. Roux, S. Dedieu, G. Wagner, E. Rouat, F. Bailleuil, P. Busson, E. André, F. Paillardet
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引用次数: 0
摘要
提出了一种全CMOS集成的DVB_T射频模拟调谐器,噪声系数为6.5 dB。该调谐器采用0.12 μ m CMOS工艺,占地16 mm2。接收机基于双零中频转换,在接收机链内集成了频率合成器和两个4 MHz带宽的14位模拟数字转换器。在1.2 GHz频率下,VCO在1mhz偏置时的相位噪声为-140 dBc
A fully CMOS integrated DVB_T RF analog tuner achieving a 6.5 dB noise figure is presented. The tuner is implemented in a 0.12 mum CMOS process and occupies a 16 mm2 area. The receiver is based on a double zero IF conversion and integrates within the receiver chain the frequency synthesizers and two 4 MHz bandwidth 14 bit analog digital converters. The VCO exhibits a -140 dBc phase noise at 1 MHz offset at 1.2 GHz