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一个单端LO输入的新型混频器电路 被引量:3

A New Single LO Input Mixer
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摘要 设计了一个基于工作在线性区的MOSFET的新型宽带混频器.此混频器以标准CMOS工艺和简单的电路实现了现代无线通讯系统高线性度、低压和低功耗的要求,工作频带宽,且只需单端本振输入,解决了本振信号的单双端变换问题.由仿真结果可知:电路工作电压为1.2 V,功耗3.8 mW,增益为13.8 dB,P-1 dB为-4 dBm,噪声为12 dB. A new simple wide-band mixer exploiting MOSFETs working in the linearity region was presented. The mixer meets the high-linearity, low-voltage and low power consumption requirements of wireless systems and has a wide operating frequency range with standard CMOS technology. Besides, only one single LO input is needed, which solves the problem of single-end to differential transformation. Simulation results show that the circuit has 3.8 mW power consumption, 13.8 dB conversion gain, - 4 dBm P-ldB point and 12 dB noise figure (NF) under 1.2V voltage supply.
出处 《湖南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2006年第2期63-65,共3页 Journal of Hunan University:Natural Sciences
关键词 MOS 线性区 混频器 低压 宽带 MOS linear region mixer low voltage wide band
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参考文献10

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同被引文献14

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