采用碳纳米管场效应晶体管的新型二阶全差分全通滤波器。

Novel Second-Order Fully Differential All-Pass Filter Using CNTFETs.

作者信息

Masud Muhammad I, Khan Iqbal A, Moiz Syed Abdul, Younis Waheed A

机构信息

Department of Electrical Engineering, College of Engineering and Islamic Architecture, Umm Al-Qura University, Makkah 21955, Saudi Arabia.

Device Simulation Laboratory, Department of Electrical Engineering, College of Engineering and Islamic Architecture, Umm Al-Qura University, Makkah 21955, Saudi Arabia.

出版信息

Micromachines (Basel). 2023 Sep 29;14(10):1873. doi: 10.3390/mi14101873.

DOI:10.3390/mi14101873

PMID:37893310

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10609516/

Abstract

In this paper, a new carbon nanotube field effect transistor (CNTFET)-based second-order fully differential all-pass filter circuit is presented. The realized filter uses CNTFET-based transconductors and grounded capacitors. An active-only second-order fully differential all-pass filter circuit topology is also presented by replacing the grounded capacitance with a CNTFET-based varactor to achieve filter tunability. By controlling the varactor capacitance, active-only second-order fully differential all-pass filter tunability in the range of 15 GHz to 27.5 GHz is achieved. The proposed active-only circuit works on -oltage, low-power dissipation and high tunable pole frequency. The realized circuit operations are verified through the HPSPICE simulation tool. Deng's CNTFET model is utilized to verify the filter performances at the 16 nm technology node. It is seen that the proposed filter simulation justifies the theoretical predictions and works efficiently in the deep-submicron technology.

摘要

本文提出了一种基于新型碳纳米管场效应晶体管（CNTFET）的二阶全差分全通滤波器电路。所实现的滤波器采用基于CNTFET的跨导器和接地电容。还提出了一种仅含有源器件的二阶全差分全通滤波器电路拓扑，通过用基于CNTFET的变容二极管取代接地电容来实现滤波器的可调性。通过控制变容二极管电容，实现了仅含有源器件的二阶全差分全通滤波器在15 GHz至27.5 GHz范围内的可调性。所提出的仅含有源器件的电路工作在低电压、低功耗和高可调极点频率下。通过HPSPICE仿真工具验证了所实现的电路操作。利用邓氏CNTFET模型在16纳米技术节点验证了滤波器性能。可以看出，所提出的滤波器仿真证明了理论预测的合理性，并且在深亚微米技术中能高效工作。