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CNTFET based voltage differencing current conveyor low power and universal filter
Analog Integrated Circuits and Signal Processing ( IF 1.4 ) Pub Date : 2021-07-14 , DOI: 10.1007/s10470-021-01905-z
Islombek Mamatov 1 , Yasin Özçelep 1 , Fırat Kaçar 1
Affiliation  

This paper presents carbon nanotube field effect transistor (CNTFET) implementation of voltage differencing current conveyor (VDCC). We propose new topology of multi input–single output (MISO) CNTFET VDCC universal filter using only 2 resistors and 2 capacitors. The CNTFET VDCC filter circuit can be tuned electronically only by changing transconductance value, and there is no need for component matching conditions. The proposed CNTFET VDCC filter shows 2711 times less power consumption compared to 0.18 µm TSMC technology and around 500 times reduction in chip area. Center frequency shift between 0.33 and 2.45 MHz was observed by varying transconductance value. Besides, the quality factor of VDCC filter was improved by increasing resistor value. All simulations were performed by using SPICE simulation tools.



中文翻译:

基于 CNTFET 的压差电流传送器低功率通用滤波器

本文介绍了压差电流传送器 (VDCC) 的碳纳米管场效应晶体管 (CNTFET) 实现。我们提出了仅使用 2 个电阻器和 2 个电容器的多输入单输出 (MISO) CNTFET VDCC 通用滤波器的新拓扑结构。CNTFET VDCC滤波电路只需改变跨导值即可电子调谐,无需元件匹配条件。与 0.18 µm TSMC 技术相比,拟议的 CNTFET VDCC 滤波器的功耗降低了2711 倍,约为500 倍减少芯片面积。通过改变跨导值观察到 0.33 和 2.45 MHz 之间的中心频率偏移。此外,通过增加电阻值来提高VDCC滤波器的品质因数。所有仿真均使用 SPICE 仿真工具进行。

更新日期:2021-07-14
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