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Design of a Low Power Analog and Multi-shaped Fully Programmable Twin-Cell Membership Function Generator Circuit in 65 nm CMOS Technology

机译:65 nm CMOS技术的低功耗模拟和多重可编程双胞胎仪器函数发生电路的设计

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摘要

This paper presents a new approach for implementing an analog fully programmable membership function generator (MFG) with twin-cell topology which can operate in Transconductance-mode. The proposed multi-shaped MFG circuit is capable of generating the trapezoidal, triangular, S- and Z-shaped membership functions. Also, a full programmability disposition in all parameters of height, position and width is achievable. To make this purpose, a simple structure of complementary differential pairs is utilized which changing of their applied input constant voltages and bias current led into programming, independently. Moreover, the proposed MFG architecture has a stellar functionality which makes it suitable for implementing as a general-purpose fuzzy logic controller. Since in this proposed MFG approach, only 26 transistors are used, the chip area and total power dissipation can be decreased to 552 mu m(2)and 83.8 mu W, respectively, which is reduced in comparison with the other works. The proposed MFG circuit is simulated in 65 nm standard CMOS technology with a single supply voltage of 1.2 V. The post-layout simulation results show that the proposed twin-cell MFG circuit is in great collusion which indicates a high delicacy of the proposed design, and the circuit presents the profit of negligible linearity error less than 5.2%. Furthermore, this proposed circuit is compared with a simulated MFG circuit named the comparative MFG, and the exported results show the improved functionality of the proposed twin-cell MFG, specifically.
机译:本文介绍了一种实现模拟完全可编程员工函数发生器(MFG)的新方法,其具有双细胞拓扑结构,可以跨导模式运行。所提出的多形MFG电路能够产生梯形,三角形,S和Z形隶属函数。此外,可以实现在高度,位置和宽度的所有参数中的完整可编程性配置。为实现此目的,利用互补差分对的简单结构,其施加的输入恒压和偏置电流的改变独立地改变为编程。此外,所提出的MFG架构具有恒星功能,这使得适合于实现作为通用模糊逻辑控制器。由于在该提出的MFG方法中,仅使用26个晶体管,芯片面积和总功率分别可以分别降低到552μm(2)和83.8μW,与其他作品相比,这减小了这一点。所提出的MFG电路在65nm标准CMOS技术中模拟,单个电源电压为1.2 V.后布局模拟结果表明,所提出的双电池MFG电路具有很大的勾结,表示提出的设计的高纤维化,电路呈现出可忽略不计的线性误差的利润低于5.2%。此外,将该提出的电路与命名为比较MFG的模拟MFG电路进行比较,并且出口结果表明了所提出的双细胞MFG的改进功能。

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