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中文摘要：
通过对碳纳米场效应晶体管（Carbon Nanotube Field Effect Transistor, CNFET）的研究,提出一种基于CNFET的低功耗三值门电路设计方案.该方案在分析CNFET结构及其不同尺寸的碳纳米管对应于不同阈值电压特性的基础上,以多值逻辑理论为指导,设计基于CNFET的三值反相器、与非门、或非门等单元门电路,最后利用HSPICE对所设计的电路进行仿真.结果表明：所设计电路具有正确的逻辑功能,与传统三值门电路相比,三值CNFET门电路平均传输速度提高52.7%,平均能耗节省54.9%.
英文摘要：
By investigating the Carbon Nanotube Field Effect Transistor （CNFET）, this paper proposes a design scheme of low power ternary CNFET gate circuit. The structure of CNFET and the various size of carbon nanotubes corresponding to the different threshold voltages are first analyzed, followed by designing ternary inverter, NAND gate, NOR gate and other unit gate circuit, all of which are implemented on the basis of multi-valued logic theory. Finally, HSPICE is used to simulate the circuit design. The results show that the designed circuits have expected logic functionality. Comparing with the traditional ternary gate circuit, the transmission speed of CNFET gate circuit increases on average by 52.7%, and energy is saved by 54.9%.
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