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2020 IEEE 5th International Conference on Integrated Circuits and Microsystems (ICICM)最新文献

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Radiation-hardened Test Design for Aerospace SoC 航空SoC抗辐射测试设计
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292308
Dan‐dan Cheng, Dan Qi, Mo Chen
Due to space application scenarios, radiation hardening techniques should be applied on aerospace SoC. This paper introduces an integrated test method for radiation-hardened SoC, which combines traditional scan chain and Memorybist designs, and new TMD chain and RAM test designs to verify the performance of rad-hardened SoC. The design of scan chain and Memorybist can be applied to the rapid screening of chips after tapeout. TMD chain and RAM test can verify the radiation-hardened performance of the chip in radiation experiments. The whole test design is flexible and configurable with high test coverage, and it is helpful to analyze the malfunction and radiation resistance of the chip.
由于空间应用的需要,辐射硬化技术应应用于航天SoC。本文介绍了一种集成测试方法,该方法将传统的扫描链和Memorybist设计与新的TMD链和RAM测试设计相结合,以验证抗辐射SoC的性能。扫描链和Memorybist的设计可以应用于取片后芯片的快速筛选。TMD链和RAM测试可以在辐射实验中验证芯片的抗辐射性能。整个测试设计灵活可配置,测试覆盖率高,有助于分析芯片的故障和抗辐射性能。
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引用次数: 0
Identification of Series Fault Arc of Low-voltage Power Cables in Substation Based on Wavelet Transform 基于小波变换的变电站低压电力电缆串联故障电弧识别
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292218
Ning Xu, Yong Yang, Yongtao Jin, Jian He
Low-voltage cable in substation is easy to cause fire accident due to fault arc. The current of series fault arc is similar to the current under normal load fluctuation in waveform, so it is difficult to identify it directly. The AC load characteristic test of low-voltage cable was carried out in the UHV Lanjiang station of Zhejiang power grid, and the arc simulation test of series fault of low-voltage cable was carried out in the laboratory. Based on wavelet transform, the original current signals of the two working conditions are decomposed by 5-level wavelet transform and the key features are extracted. By comparing the wavelet details of each decomposition scale, it is found that the ratio of the maximum absolute value to the mean absolute deviation of the series fault arc current signal is significantly higher than that of the load characteristic current signal. Therefore, it can be used as the detection basis for the series fault arc of low-voltage power cables in Substation.
变电站低压电缆易因故障电弧引起火灾事故。串联故障电弧的电流波形与正常负载波动下的电流相似,难以直接识别。在浙江电网特高压兰江站开展了低压电缆交流负荷特性试验,在实验室开展了低压电缆串联故障电弧模拟试验。基于小波变换,对两种工况下的原始电流信号进行5级小波变换分解,提取关键特征。通过对各分解尺度的小波细节进行比较,发现串联故障电弧电流信号的最大绝对值与平均绝对偏差之比明显高于负载特征电流信号。因此,可以作为变电站低压电力电缆串联故障电弧的检测依据。
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引用次数: 2
The Property of ITO Produced by Optical Thin Film Coating for Solar Cell 太阳能电池用光学薄膜涂层制备ITO的性能研究
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292192
Dai Pan, Cheng Feixue, Long Jun-hua, Lu Shulong
We studied the crystal quality and optical properties of ITO produced with optical thin film coatings to replace conventional metal electrodes as electrodes for III-V solar cells. ITO films were grown on glass, GaAs and silicon substrate. ITO is a polycrystalline with predominant (222) crystalline plane. A smooth surface with protruding nano-crystallite was observed. The light transmittance of ITO has a strong relationship with thickness and annealing temperature. The transmittance was obviously enhanced after being annealed at 500 °C. With the thickness increase, the transmittance decreases in total. The band gap of the ITO film was estimated 3.8 eV by extrapolating the linear part of the Tauc plot curves to intercept the energy axis. The refractive index n of ITO film is was measured. The reflectivity is greatly influenced by the thickness of ITO.
我们研究了用光学薄膜涂层制备的ITO的晶体质量和光学性能,以取代传统的金属电极作为III-V型太阳能电池的电极。在玻璃、砷化镓和硅衬底上生长了ITO薄膜。ITO是一种以222晶面为主的多晶。表面光滑,纳米晶突出。ITO的透光率与厚度和退火温度有密切的关系。经500℃退火后,透光率明显提高。随着厚度的增加,透光率总体呈下降趋势。通过外推Tauc曲线的线性部分与能量轴的截距,估计ITO薄膜的带隙为3.8 eV。测量了ITO薄膜的折射率n。反射率受ITO厚度的影响很大。
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引用次数: 2
Research on Partial Discharge Localization in 252kV GIS Using Ultrasonic Associated with Electromagnetic Wave Method 超声波结合电磁波法在252kV GIS局部放电定位中的应用研究
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292221
Lin Zhao, Liya Ye, Bing Yu, Haofan Lin, Yong Yang, Wenzhe Zheng
According to a live detection of 252kV GIS, this paper describes the principles and technical advantages of UHF-based and ultrasonic-based GIS partial discharge detection methods; in addition, it analyzes the spectrogram information of portable PD analyzer to preliminarily judge the defect type. At last, the discharge source is precisely located by means of time difference positioning method and ultrasonic associated with electromagnetic wave method. Through the on-site basin-type insulator fastening screw inspection, the judgment is consistent with the test conclusion, which verifies the accuracy of the onsite live detection. Practice shows that UHF and ultrasonic partial discharge detection technique can recognize partial discharge due to GIS defects, and timely discover and prevent GIS insulation faults to ensure the operation security and stability of GIS.
结合252kV GIS现场检测,阐述了基于超高频和超声的GIS局部放电检测方法的原理和技术优势;此外,对便携式PD分析仪的谱图信息进行分析,初步判断缺陷类型。最后,采用时差定位法和超声波结合电磁波法对放电源进行了精确定位。通过现场盆式绝缘子紧固螺钉检验,判断与试验结论一致,验证了现场带电检测的准确性。实践表明,超高频和超声波局部放电检测技术能够识别出由于GIS缺陷引起的局部放电,及时发现和预防GIS绝缘故障,保证了GIS的安全稳定运行。
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引用次数: 1
A 25Gb/s Burst Mode Optical Receiver Front-End in 0.13 mumathrm{m}$ BiCMOS Technology 基于0.13 mumath {m}$ BiCMOS技术的25Gb/s突发模式光接收机前端
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292258
Gan Pang, Yingmei Chen, Jiakai Xiao, Yigang Chen, J. Peng, Tong Wang, En Zhu
A new 25Gb/s burst mode optical receiver front-end is proposed in this paper, which consists of a transimpedance amplifier (TIA), an automatic gain control (AGC) and a DC offset cancellation (DCOC) buffer. High transimpedance gain of the TIA is designed to decrease input noise and acquire appropriate AGC gain range. Without conventional peak detector, a feedforward AGC stage is adopted to shorten the stabilization time and adapt to burst signal. Simulation results show that the proposed front-end circuit achieves low noise of $1.6 mu text{AAMS}$, setting time of 70ns. In 0.13 mumathrm{m}$ BiCMOS technology, the optical receiver front end consumes 300mW from a 3.3V supply.
本文提出了一种新的25Gb/s突发模式光接收机前端,该前端由跨阻放大器(TIA)、自动增益控制(AGC)和直流偏置抵消(DCOC)缓冲器组成。为了降低输入噪声和获得合适的AGC增益范围,设计了高跨阻增益的TIA。不采用传统的峰值检测器,采用前馈AGC级,缩短稳定时间,适应突发信号。仿真结果表明,所提出的前端电路实现了$1.6 mu text{AAMS}$的低噪声,整定时间为70ns。在0.13 mu mathm {m}$ BiCMOS技术中,光接收器前端从3.3V电源消耗300mW。
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引用次数: 0
A 5-GHz Phase Compensation Spread Spectrum Clock Generator for High Speed SerDes Application 一种用于高速伺服器的5ghz相位补偿扩频时钟发生器
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292180
X. Guan, Tongbei Yang, Fang Tang
In this paper, a phase compensated spread spectrum clock generator (SSCG) with triangular modulation profile is presented. The phase interpolator (PI) based on 32 phase selectors (PS) with wired- AND logic is proposed to implement phase interpolation. This structure has lower power consumption and no static current. The SSCG exhibits 630-fs and 640-fs rms jitter with SSC-off and SSC-on at 5-GHz, and EMI reduction is 18.97-dB under the down spread modulation of 5000-ppm. The power consumption of this design is 46.54-mW. The design has been implemented in 55-nm CMOS process and occupies an area of 0.42times 0.22 text{mm}^{2}$.
提出了一种三角形调制轮廓的相位补偿扩频时钟发生器(SSCG)。提出了一种基于32个相选择器的相位插补器(PI),采用有线与逻辑实现相位插补。该结构功耗低,无静电。在5ghz频段,ssc关闭和ssc开启时,SSCG表现出630-fs和640-fs rms的抖动,在5000-ppm的向下扩展调制下,EMI降低了18.97 db。本设计的功耗为46.54 mw。该设计已在55纳米CMOS工艺中实现,占地面积为0.42 × 0.22 text{mm}^{2}$。
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引用次数: 0
A 5.3-nV/√Hz Noise Density Switched-Capacitor Programmable Gain Amplifier with kT/C Noise Reshaping and Ping-Pong Topology 基于kT/C重构和乒乓拓扑结构的5.3 nv /√Hz噪声密度开关电容可编程增益放大器
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292137
Shizhe Wang, N. Tan, Zhong Tang, Ling Lin
This paper presents an implementation of a 5.3-n V/√Hz noise density switched-capacitor (SC) programmable gain amplifier (PGA) with a 500-uA current consumption under a single 3.3 V supply. It employs a kT/C noise reshaping technique to reduce the kT/C noise caused by sampling at a lower frequency. The common-mode sampling (CMS) is also used to achieve the split between the input common-mode voltage sampling and the noise sampling that ensures the kT/C noise is reshaped. The CMS guarantees that the kT/C noise introduced by the input chopper switches only has an impact on the common-mode noise. In addition, a ping-pong topology is used to attenuate the output aliased noise and obtain a fast settling.
本文介绍了一种5.3 n V/√Hz噪声密度开关电容(SC)可编程增益放大器(PGA)的实现,该放大器在单3.3 V电源下的电流消耗为500 ua。它采用了kT/C噪声整形技术来降低在较低频率下采样引起的kT/C噪声。共模采样(CMS)也用于实现输入共模电压采样和噪声采样之间的分离,从而确保重构kT/C噪声。CMS保证输入斩波开关引入的kT/C噪声仅对共模噪声有影响。此外,乒乓拓扑结构用于衰减输出混叠噪声,获得快速沉降。
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引用次数: 0
Design of Verification Platform for CAN-FD IP Customized SRAM Controller Based on UVM 基于UVM的CAN-FD IP自定义SRAM控制器验证平台设计
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292225
Shuaiqi Yan, Shuqin Geng, Xiaohong Peng, Haonan Tang, Yan Zhang, Zifeng Wang
This article focuses on the design of a system-level verification platform for a static random-access memory (SRAM) module. The SRAM module is in a CAN-FD SOC chip. The SRAM memory controller verified by the verification platform in this paper is an important module integrated on the APB SOC chip bus for basic communication with CAN-FD IP. By adopting UVM universal verification methodology, a complete verification platform and verification environment suitable for the module are designed and built; by generating constrained random test excitation signals, the function of the controller is fully verified, and the results can be automatically compared with the data. The results show that the verification platform can greatly reduce the development time of verification incentives, simplify the verification process, shorten the verification cycle and have good reusability.
本文主要研究静态随机存取存储器(SRAM)模块的系统级验证平台的设计。SRAM模块位于CAN-FD SOC芯片中。本文验证平台验证的SRAM存储器控制器是集成在APB SOC芯片总线上的重要模块,用于与CAN-FD IP进行基本通信。采用UVM通用验证方法,设计并构建了适合该模块的完整验证平台和验证环境;通过生成有约束的随机试验激励信号,充分验证了控制器的功能,并可将结果与数据进行自动比对。结果表明,该验证平台可大大缩短验证激励机制的开发时间,简化验证流程,缩短验证周期,具有良好的可重用性。
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引用次数: 0
A Jitter Elimination and Data Compression Algorithm for Pressure Sensor Array 压力传感器阵列抖动消除与数据压缩算法
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292244
R. Li, Xueping Zou, Xu Liu, Deepu John
This paper proposes an algorithm to process data of high-precision sensor array with data compression. To eliminate the jitter in pressure sensing, the Speeded-up Robust Features(SURF), Fast Approximate Nearest Neighbor Search Library(FLANN), RANdom SAmple Consensus(RANSAC), Gaussian filter and motion compensation are implemented. Moreover, data compression is conducted based on JPEG-LS and Run-length coding. As a result, the proposed algorithm achieves the jitter eliminating and high compression ratio.
提出了一种基于数据压缩的高精度传感器阵列数据处理算法。为了消除压力传感中的抖动,实现了加速鲁棒特征(SURF)、快速近似最近邻搜索库(FLANN)、随机样本一致性(RANSAC)、高斯滤波和运动补偿。并基于JPEG-LS和游程编码进行数据压缩。结果表明,该算法具有消除抖动和高压缩比的优点。
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引用次数: 0
A Fully-Differential Ka-band Driver Amplifier For 77GHz Automotive Radar 77GHz汽车雷达全差分ka波段驱动放大器
Pub Date : 2020-10-23 DOI: 10.1109/ICICM50929.2020.9292293
Bingbing Liao, Yan Wang, Zongming Duan, Bowen Wu, Wei Lv, Yuying Zhang
This paper presents a fully-differential Ka-band amplifier driver using a 65nm CMOS technology for 77GHz Automotive Radar. Principles of its matching circuit and System architecture of amplifier are presented. Finally, Results of measurements are given.
本文提出了一种采用65nm CMOS技术的77GHz汽车雷达全差分ka波段放大驱动器。介绍了其匹配电路原理和放大器系统结构。最后给出了测量结果。
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引用次数: 0
期刊
2020 IEEE 5th International Conference on Integrated Circuits and Microsystems (ICICM)
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