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2019 Devices for Integrated Circuit (DevIC)最新文献

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Analysis of Interface Trap Charges on Dielectric Pocket SOI-TFET 介电口袋型SOI-TFET的界面陷阱电荷分析
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783405
C. Pandey, Avtar Singh, S. Chaudhury
In this brief, the reliability of SOI-TFET with dielectric pocket (DP SOI-TFET) has been investigated in the presence of fixed trap charges at the interface between dielectric pocket (DP) and drain region. During numerical simulation, both types of trap charges like donor (i.e. positive) and acceptor (i.e. negative) have been considered to analyse the impact on the performance of SOI-TFET having DP in drain region used for reduction of ambipolar conduction. We have compared the device performances such as ambipolar conduction, and OFF-state current of conventional SOI-TFET with both low and high- $pmb{k}$ DP SOI-TFET in the presence of interface trap charges (ITCs). It has been found that SOI-TFET is more immune to interface trap charges when high- $pmb{k}$ material is used as DP compared to low- $pmb{k}$. Since, high- $pmb{k}$ provides even more reduction in ambipolar conduction as compared to low- $pmb{k}$, it can be preferred to be used a dielectric pocket in SOI-TFET.
本文研究了介电袋(DP)与漏极区交界面存在固定陷阱电荷时SOI-TFET (DP)的可靠性。在数值模拟过程中,考虑了供体(即正)和受体(即负)两种类型的陷阱电荷,分析了在漏极区有DP对SOI-TFET性能的影响,用于减少双极导通。我们比较了在界面陷阱电荷(ITCs)存在下,传统SOI-TFET与低DP和高DP SOI-TFET的器件性能,如双极导通和关闭状态电流。研究发现,与低pmb{k}$相比,高pmb{k}$材料作为DP时,SOI-TFET对界面陷阱电荷的免疫能力更强。由于与低pmb{k}$相比,高pmb{k}$提供了更多的双极导通降低,因此它可以首选用于SOI-TFET中的介电袋。
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引用次数: 4
Noise Analysis of 1.0 THz GaN IMPATT Source 1.0 THz GaN输入源噪声分析
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783735
S. Chakraborty, A. Acharyya, A. Biswas, Jayanta Roy
Noise analysis of 1.0 THz Wz-GaN IMPATT source has been carried out by the authors. A two-dimensional avalanche noise model for IMPATT diodes developed by the authors has been used in the present paper to study the avalanche noise characteristics of the said source. Results reveal that the mean-square noise voltage per unit bandwidth (i.e. noise spectral density) of the source lies in the order of 10–16 $mathrm{V}^{2} mathrm{s}$ and noise measure remains within the range of 7.3440 – 5.8755 dB due to the variation of bias current within the range of 78.54 – 98.17 mA for a fictitious value of zero series resistance. However, around 3 – 7% increase in noise measure has been obtained by considering earlier calculated series resistance values ranging from $1.5779 - 1.7879 Omega$.
对1.0 THz Wz-GaN IMPATT源进行了噪声分析。本文采用作者建立的二维IMPATT二极管雪崩噪声模型来研究该源的雪崩噪声特性。结果表明,在虚构的零串电阻下,由于偏置电流在78.54 ~ 98.17 mA范围内变化,源的单位带宽均方噪声电压(即噪声谱密度)为10 ~ 16 $ mathm {V}^{2} mathm {s}$,噪声测量值保持在7.3440 ~ 5.8755 dB范围内。然而,考虑到先前计算的串联电阻值范围为1.5779 - 1.7879 Omega$,噪声测量增加了约3 - 7%。
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引用次数: 0
Performance Comparison of 2.5-GHz LC Voltage-Controlled Oscillator for Three Different Technology Nodes 三种不同技术节点2.5 ghz LC压控振荡器性能比较
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783601
Shrabanti Das, S. Chatterjee
This paper has been written to compare the performances of LC Voltage Controlled Oscillator (VCO) at 2.5 GHz to see the effects of device performances with different technology node on the same while keeping the circuits identical. Accordingly, as a case study, three instances of LC-VCO have been designed in Cadence Spectre using GPDK 45nm, 90nm, and 180nm technology and three different power supply levels of 0.8 V, 1 V, and 1.2 V respectively. ObservedPhase Noise (PN) for 45nm, 90nm, and 180nm technology are −120.8 dBc/Hz, −124.64 dBc/Hz and −126.12 dBc/Hz @ 1MHz offset respectively. Output power, Figure of Merit (FOM) and $mathbf{K}_{mathbf{VCO}}$ also have been measured subsequently. The best possible FOM obtained are −181.7dB, −184.9dB and −186.2dB for 45nm, 90nm and 180nm technology node respectively.
本文对2.5 GHz的LC压控振荡器(VCO)的性能进行了比较,在保持电路相同的情况下,观察不同技术节点对相同器件性能的影响。因此,作为案例研究,我们在Cadence Spectre上设计了三个LC-VCO实例,采用GPDK 45nm、90nm和180nm技术,分别采用0.8 V、1v和1.2 V三种不同的电源电平。观察到45nm、90nm和180nm工艺的相位噪声(PN)分别为- 120.8 dBc/Hz、- 124.64 dBc/Hz和- 126.12 dBc/Hz @ 1MHz偏移量。随后还测量了输出功率、质量因数(FOM)和$mathbf{K}_{mathbf{VCO}}$。在45nm、90nm和180nm工艺节点上获得的最佳FOM分别为- 181.7dB、- 184.9dB和- 186.2dB。
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引用次数: 1
Bandwidth Increment of Piezoelectric Energy Harvester using Multi-beam Structure 基于多梁结构的压电能量采集器带宽增量研究
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783724
S. Naval, Prasun Kumar Sinha, Nikhil Kumar Das, Ashutosh Anand, S. Kundu
Piezoelectric energy harvesters have high power density and are simpler to fabricate as compared to other low power energy harvesters. There are certain issues which need to be addressed while designing a piezoelectric energy harvester. These are the requirements of maintaining a high output voltage, low resonant frequency, small size and wide bandwidth of operation. Achieving a wide bandwidth is one of the most prominent issues. It is because most of the vibrations occur over a range of frequencies. So, the challenge is to design an energy harvester which generates high output voltage over a wide range of frequencies. In this paper, a Microelectromechanical system (MEMS) based multi-beam energy harvester has been proposed. This energy harvester has been designed using two single cantilever beams and the top electrodes of both the beams are connected by a metal layer. The peak output voltage of the proposed structure is 18 V at 142 Hz. The multi-beam structure generates an output voltage of more than or equal to 5 V for a bandwidth of 15 Hz which is 1.5 times wider as compared to that of a single beam energy harvester.
与其他低功率能量收集器相比,压电能量收集器具有高功率密度和更简单的制造。在设计压电能量采集器时,需要解决一些问题。这些都是保持高输出电压、低谐振频率、小尺寸和宽带宽的要求。实现宽带宽是最突出的问题之一。这是因为大多数振动发生在一个频率范围内。因此,挑战在于设计一种能在宽频率范围内产生高输出电压的能量采集器。提出了一种基于微机电系统(MEMS)的多波束能量采集器。这个能量收集器被设计成使用两个单悬臂梁,两个梁的顶部电极由金属层连接。该结构在142hz时的峰值输出电压为18v。多束结构产生大于或等于5v的输出电压,带宽为15hz,比单束能量采集器宽1.5倍。
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引用次数: 8
Fractal Image Compression of an Atomic Image using Quadtree Decomposition 利用四叉树分解对原子图像进行分形压缩
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783961
Hasanujjaman, Arnab Banerjee, U. Biswas, M. Naskar
Researchers have made several efforts towards reduction of Compression ratio and improvement of PSNR of an image compressing algorithm. However little attention has been given to reduce the time complexity of the same except for few hardware approaches. In this particular work, a mystical atomic image was created, through the process of splitting the main image into two different blocks. Atomic image was formed by strategically calculating the significant bits from even and odd portion of the original image in spatial domain. Furthermore the most popular methods were implemented on atomic image for getting a lower time complexity, as well as, increased compression ratio and acceptable PSNR. As a result of application of the proposed algorithm we obtained maximum PSNR of 30.12dB for Lena Image and maximum compression ratio of 25.96 for MRI image
为了降低压缩比和提高图像压缩算法的PSNR,研究者们做了很多努力。然而,除了一些硬件方法外,很少有人注意降低相同的时间复杂度。在这个特殊的作品中,通过将主图像分成两个不同的块的过程,创造了一个神秘的原子图像。原子图像是通过在空间域中对原图像的奇偶部分进行有效位的策略性计算而形成的。此外,最流行的方法是在原子图像上实现较低的时间复杂度,提高压缩比和可接受的PSNR。应用该算法后,Lena图像的最大PSNR为30.12dB, MRI图像的最大压缩比为25.96
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引用次数: 2
A 1.8V 204.8-$mu mathrm{W}$ 12-Bit Fourth Order Active Passive $SigmaDelta$ Modulator for Biomedical Applications 1.8V 204.8- $mu mathrm{W}$ 12位四阶有源无源$SigmaDelta$生物医学应用调制器
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783626
Arifuddin Sohel, Aayesha al Khadir, Maliha Naaz, Amena Najeeb
This paper presents a 1.8V fourth-order 12.64 bits active-passive delta-sigma modulator. Passive integrators reduce power consumption which employs a switched capacitor circuit that operates from 1V to 1.8V supply voltage. The modulator is implemented in a $mathbf{0.18}mu mathbf{m}$ CMOS process and achieves 77.85 dB SNR within 500 Hz at a sampling frequency of 256 kHz and consumes $mathbf{204.8}mu mathbf{W}$ from a 1.8V supply. The Sigma-Delta modulator becomes the appropriate choice for high resolution as well as low frequency applications due to its highly linear property derived from a linear single-bit quantizer and oversampling technique.
本文设计了一种1.8V四阶12.64位有源无源δ - σ调制器。无源集成商采用开关电容电路,工作电压从1V到1.8V,从而降低了功耗。该调制器采用$mathbf{0.18}mu mathbf{m}$ CMOS工艺实现,采样频率为256 kHz,在500 Hz范围内实现77.85 dB信噪比,从1.8V电源消耗$mathbf{204.8}mu mathbf{W}$。由于线性单比特量化器和过采样技术带来的高度线性特性,Sigma-Delta调制器成为高分辨率和低频应用的合适选择。
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引用次数: 1
Smart ATM Service 智能ATM服务
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783820
Sayan Hazra
Automated Teller Machine (ATM) is an electronic telecommunications device, which enables customers to perform banking without the need for direct interaction with bank staff. For this, every account holder must have a unique id card for the individual account having a unique pin. On the absence of this card, whatever be the adverse situation the use of this ATM service is not permitted. So, an Internet Of Things and Computer Vision based Smart ATM service is being proposed here, using Raspberrypi microcontroller based embedded system, where each person will be their own identity, where Fingerprint, Face, OTP verifications are key features for security, which in turn reduces the issue of fraud transactions, fraud ATM cards, hence security issue gets resolved.
自动柜员机(ATM)是一种电子通信设备,它使客户无需与银行工作人员直接互动就可以进行银行业务。为此,每个帐户持有人必须拥有一个具有唯一密码的个人帐户的唯一id卡。在没有这张卡的情况下,无论情况如何,都不允许使用此ATM服务。因此,这里提出了一种基于物联网和计算机视觉的智能ATM服务,使用基于Raspberrypi微控制器的嵌入式系统,每个人都将拥有自己的身份,其中指纹,面部,OTP验证是安全的关键特征,从而减少欺诈交易,欺诈ATM卡的问题,从而解决安全问题。
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引用次数: 6
TCAD Modelling of 30nm Strained-Si/SiGe/Si Channel MOSFET 30nm应变Si/SiGe/Si沟道MOSFET的TCAD建模
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783606
Lalthanpuii Khiangte, R. Dhar
Technical-Computer-Aided-Design (TCAD) tools are the bridging element between electronics design and manufacturing. Design of novel devices using TCAD initially and analyzing all the physics prior to direct manufacturing reduces the cost and increase the optimization in device operation. Modeling of the scaled down tri-layered strained-Si/strained-SiGe/strained-Si channel based heterostructure on insulator (HOI) Metal-Oxide-Semiconductor-Field-Effect-Transistor (MOSFET) device developed using Sentaurus TCAD is illustrated in this paper. A complete modeling of the device physics that encountered for the reduced dimension device remains the crux of this paper. As a result, an enhanced drive current pertaining to the scaled HOI MOSFET is achieved, thus ensuring the further scalability of the said HOI MOSFET device for improved performance.
技术计算机辅助设计(TCAD)工具是电子设计和制造之间的桥梁。在直接制造之前,利用TCAD对新器件进行初步设计,并对所有物理特性进行分析,可以降低成本,提高器件运行的优化程度。本文介绍了利用Sentaurus TCAD开发的按比例缩小的基于应变si /应变sige /应变si沟道的三层异质结构绝缘子(HOI)金属氧化物半导体场效应晶体管(MOSFET)器件的模型。对降维器件所遇到的器件物理问题进行完整的建模仍然是本文研究的重点。因此,实现了与缩放HOI MOSFET相关的增强驱动电流,从而确保了所述HOI MOSFET器件的进一步可扩展性,以提高性能。
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引用次数: 4
Optimisation and Classification of EMG signal using PSO-ANN 基于PSO-ANN的肌电信号优化与分类
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783882
Virendra Prasad Maurya, Prashant Kumar, S. Halder
Qualitative feature extraction from Electromyogram (EMG) signal has become necessary to assess the fitness of human being. Till date, various analysis tools have been employed to examine the EMG signal. Here the authors are endeavored to apply PSO-ANN based optimisation and two classification tools, namely KNN (nearest neighbor) and SVM (support vector machine) to extract features from EMG signal. EMG signal represents the signal generated by neuron from the brain, which is transmitted through the spinal cord into the body to which part is guided by the brain. The EMG signal is computed by Biopac MP45 Biomedical measurement device which is further divided into five-second segments for each activity. Unwanted EMG signal is regarded as noise and is filtered by an appropriate filter to improve the signal to noise ratio. Fourteen different time-domain and frequency domain features have been extracted for different hand movement (Weight lifting Up, Weight lifting Down, movement of Hand Gripper). Both hands are utilized for acquisition of EMG for hand grip movement. Classifier Model is used in classifying the optimised features and calculation of sensitivity, selectivity and precision of those features. From results it is evident that better accuracy is achieved for classifier KNN with respect to SVM.
对肌电信号进行定性特征提取已成为评估人体适应度的必要条件。迄今为止,各种分析工具已被用于检查肌电图信号。在这里,作者尝试应用基于PSO-ANN的优化和两种分类工具,即KNN(最近邻)和SVM(支持向量机)从肌电信号中提取特征。肌电图信号是神经元从大脑产生的信号,通过脊髓传递到身体,由大脑引导到达身体的部分。肌电图信号由Biopac MP45生物医学测量设备计算,并进一步将每个活动分为5秒的片段。不需要的肌电信号被视为噪声,并通过适当的滤波器进行滤波,以提高信噪比。针对不同的手部运动(举重物、举重物、抓手器运动),提取了14种不同的时域和频域特征。双手被用来获取手握运动的肌电图。利用分类器模型对优化后的特征进行分类,计算特征的灵敏度、选择性和精度。从结果可以看出,相对于支持向量机,KNN分类器获得了更好的精度。
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引用次数: 5
Role of Internet of Things (IoT) in Smart Farming: A Brief Survey 物联网(IoT)在智慧农业中的作用:简要调查
Pub Date : 2019-03-01 DOI: 10.1109/DEVIC.2019.8783800
Monu Bhagat, Deobrata Kumar, Dilip Kumar
Presently there is huge improvement in technologies. Lots of tools and techniques are available in the agriculture sector. Internet of Things plays very important role to improve productivity, efficiency, global market. It also reduces human intervention, cost and time which are major factors in agriculture. The Internet of Things (IoT) can be defined as a system which interrelate computing devices, objects, machines (like mechanical and digital), living beings. The IoT components are provided with unique identifiers and have the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction. So, in order to increase productivity, IoT works in synergy with agriculture to get smart farming. Role of IoT, different tools, hardware and software used in smart farming is discussed in this paper.
目前,技术有了巨大的进步。农业部门有许多工具和技术。物联网在提高生产力、效率和全球市场方面发挥着非常重要的作用。它还减少了人为干预,成本和时间,这是农业的主要因素。物联网(IoT)可以被定义为一个将计算设备、对象、机器(如机械和数字)、生物相互关联的系统。物联网组件具有唯一标识符,并且能够通过网络传输数据,而不需要人与人或人机交互。因此,为了提高生产力,物联网与农业协同工作,实现智能农业。本文讨论了智能农业中物联网、不同工具、硬件和软件的作用。
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引用次数: 14
期刊
2019 Devices for Integrated Circuit (DevIC)
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