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一种基于动态阈值NMOS管的1.2V模拟乘法器 被引量：1

A 1.2V Analog Multiplier Based on the Dynamic Threshold Voltage NMOS Transistor
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摘要 基于CSMC 0.6μm DPDM CMOS工艺进行设计,利用4个动态阈值NMOS和2个有源电阻实现了一种1.2V低功耗模拟乘法器电路,既节省了输入晶体管数目,又节省了偏置晶体管和偏置电路.1.2V模拟乘法器的输入信号VinA的频率为5MHz,信号峰峰值为1.0V,输入信号VinB的频率为100MHz,信号峰峰值为0.5V时,输出信号Vout的峰峰值为0.35V,一次谐波和三次谐波的差值为40dB.1.2V模拟乘法器输出信号的频带宽度为375MHz,平均电源电流约为30μA,即动态功耗约为36μW,适合于便携式电子产品和带宽要求不太高(400MHz以下)的场合. Based on the four dynamic threshold voltage NMOS transistor and two active resisitor, a novel 1.2V low power analog multiplier is prensnted in CSMC 0. 6μm DPDM CMOS process. The number of input transistor has been decreased and the biased transistor and circuits have been saved. When the 5MHz input signal VinA with 1.0V peak--to--peak amplitude and the 100MHz input signal V~,B with 0. 5V peak--to--peak amplitude, the peak--to-- peak amplitude of output signal Vou~ is about 350mV. The margin between the first order harmonious wave and the third order harmonious wave of the output wave is about 40dB. The frequency bandwidth of the 1.2V CMOS analog multiplier is 375MHz, and the average power supply current is 30μA. It is fit for portable electronic product and below 400MHz bandwidth field.
作者 程卫东 朱樟明
机构地区 西安微电子技术研究所 西安电子科技大学微电子学院
出处 《微电子学与计算机》 CSCD 北大核心 2011年第11期178-181,共4页 Microelectronics & Computer
关键词 模拟乘法器 动态阈值NMOS晶体管 低压 低功耗 analog multiplier dynamic threshold NMOS transistor low voltage low power
分类号 TN402 [电子电信—微电子学与固体电子学]
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参考文献6

  • 1宋丹,张晓林.Low-voltage CMOS Folded-cascode Mixer[J].Chinese Journal of Aeronautics,2010,23(2):198-203. 被引量：2
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二级参考文献18

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微电子学与计算机
2011年 第11期

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