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2010 International Symposium on Next Generation Electronics最新文献

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A high efficiency boost white LED driver for portable electronics applications 用于便携式电子应用的高效率升压白光LED驱动器
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669135
Y. Hsieh, Bin-Da Liu, Jian-Fu Wu, Chiao-Li Fang, H. Tsai, Y. Juang
{"title":"A high efficiency boost white LED driver for portable electronics applications","authors":"Y. Hsieh, Bin-Da Liu, Jian-Fu Wu, Chiao-Li Fang, H. Tsai, Y. Juang","doi":"10.1109/ISNE.2010.5669135","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669135","url":null,"abstract":"Power efficiency is a very important issue for portable electronic devices since it determines the battery life. The backlight module usually accounts for the major part of power dissipation in a portable device. Thus, to extend the operation time of a portable device, a high efficiency backlight module should be employed. White light-emitting diodes (WLEDs) have replaced cold cathode fluorescent lamps as backlight modules in portable electronics in recently years due to their superior power efficiency. This paper presents a high efficiency WLED driver with an integrated boost DC-DC converter that can drive a series of WLEDs using a single lithium-ion battery, which is the most popular power source for portable devices. As unexpected operation conditions can result in the failure of the driver, battery, or inductor, the driver integrates protection circuits for over current, over voltage, and under voltage. The driver was fabricated in the TSMC 0.25-µm 60-V bipolar-CMOS-DMOS process. The over current protection level is set to 2 A. The over voltage protection is set to 50 V, allowing the boost converter to drive 12 WLEDs in series connection. The under voltage protection circuit turns off the converter when it detects an input voltage below 2.5 V to protect the battery.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128309438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Hardware implementation of triangulation method based on CORDIC algorithm 基于CORDIC算法的三角测量方法的硬件实现
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669183
Yeng-Chang Huang, Chien-Chang Lai, Yu-Jung Huang
{"title":"Hardware implementation of triangulation method based on CORDIC algorithm","authors":"Yeng-Chang Huang, Chien-Chang Lai, Yu-Jung Huang","doi":"10.1109/ISNE.2010.5669183","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669183","url":null,"abstract":"A location awareness system uses a wireless remote sensing technology to provide users with immediate addressing services. The application of radio frequency identification (RFID) technology to navigate a location is provided in this paper. The proposed UHF RFID location system, based on a known location of the reference tags by applying the cosine theorem to calculus more location information, can provide location-aware services. The cosine law can be realized by Coordinate Rotation Digital Computer (CORDIC) algorithm. In this paper, we present the implementation of a CORDIC (Coordinate Rotation Digital Computer ) processor based on the IEEE 754 Standard for Binary Floating-Point Arithmetic. The cosine law is implemented on DE2 circuit board and verified by logic analyzer.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125415602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A 3780-point FFT algorithm and its FPGA implementation 3780点FFT算法及其FPGA实现
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669154
Gang Cheng, Kai-xiong Su
{"title":"A 3780-point FFT algorithm and its FPGA implementation","authors":"Gang Cheng, Kai-xiong Su","doi":"10.1109/ISNE.2010.5669154","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669154","url":null,"abstract":"In this paper, a 3780-point FFT algorithm combining of Good-Thomas, Cooley-Tukey, and WFTA algorithm is presented and its hardware implementation by using shift rules based on the analysis of the finite word length effect is described. The simulation results show that the output SNR meets the requirement of TDS-OFDM system.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125805143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A high-resolution digital PWM controller using capacitor integration 采用电容集成的高分辨率数字PWM控制器
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669173
Hsin-Chuan Chen
{"title":"A high-resolution digital PWM controller using capacitor integration","authors":"Hsin-Chuan Chen","doi":"10.1109/ISNE.2010.5669173","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669173","url":null,"abstract":"For achieving better linear control in average power, in this paper, a new digital-controlled PWM controller using capacitor integration is proposed. By the integration on a single capacitor, this digital PWM controller can effectively improve the resolution of the conventional counter-based digital PWM but only have a lower clock frequency. Moreover, this proposed digital PWM also can avoid the dynamic power consumption and noise interference caused by high-speed switching of clock, and suit for applying in many power control systems.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122004022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
On-chip reference oscillators with process, supply voltage and temperature compensation 片上参考振荡器，具有过程、电源电压和温度补偿
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669186
C. Tsai, Wan-Jing Li, Peng-Yu Chen, Ying-Zu Lin, Soon-Jyh Chang
{"title":"On-chip reference oscillators with process, supply voltage and temperature compensation","authors":"C. Tsai, Wan-Jing Li, Peng-Yu Chen, Ying-Zu Lin, Soon-Jyh Chang","doi":"10.1109/ISNE.2010.5669186","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669186","url":null,"abstract":"Here we present the design and implementation of a 130-MHz on-chip reference oscillator in a 0.18-µm 1-ploy 6-metal digital CMOS process. To compensate for the influences on the oscillation frequency by process, supply voltage and temperature (PVT) variations, the oscillator uses a bias adjustment technique without BJT devices, on-chip inductors or external components. Measurements of 8 samples in the 0 to 100°C temperature range indicate an average deviation of ±4.99% in the oscillation frequency. The process-induced frequency deviation is ±1.13% across chips at room temperature. The deviation of frequency with 10% supply voltage variation is within ±5.4%.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117138829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Direct digital compensator design for switching converters 开关变换器的直接数字补偿器设计
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669179
Chun-Hung Yang, Chun-Nan Liu, Chien-Hung Tsai
{"title":"Direct digital compensator design for switching converters","authors":"Chun-Hung Yang, Chun-Nan Liu, Chien-Hung Tsai","doi":"10.1109/ISNE.2010.5669179","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669179","url":null,"abstract":"This paper presents a direct digital algorithm for digital PID-controlled switched-mode power supplies (SMPS). The crossover frequency and phase margin of the closed-loop system can be set using the proposed approach. The algorithm determines the PID controller parameters, and in the proposed procedure is clearly. The algorithm also takes into account the integral gain to prevent limit-cycle oscillation (LCO). Experimental results demonstrate that the proposed algorithm is suitable for voltage-mode CCM buck converter.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121957617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Exploration of tile/triangle-based rendering approaches for 3D graphics SoC 探索基于贴图/三角形的3D图形SoC渲染方法
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669157
Chi-Tsai Yeh, Ching-Yuan Lin, W. Chiou, Ing-Jer Huang
{"title":"Exploration of tile/triangle-based rendering approaches for 3D graphics SoC","authors":"Chi-Tsai Yeh, Ching-Yuan Lin, W. Chiou, Ing-Jer Huang","doi":"10.1109/ISNE.2010.5669157","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669157","url":null,"abstract":"Three dimension (3D) graphics applications have been widely used in handheld devices which are an inevitable tendency in the future. In this paper, we model a complex 3D graphics SoC hardware by using SystemC and run some testbenches on this platform. For speeding up the simulation time, we adopt Transaction Level Model (TLM) and implement two type of rendering approaches, tile-based and triangle-based, to find out the optimal architecture. According to experimental results, triangle-based rendering is 9–24% faster than tile-based rendering in smaller objects. Considering the energy consumption, the number of memory access of the former is 6–43% less than the latter.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126963405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of different structure on small molecule organic solar cells 小分子有机太阳能电池的不同结构分析
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669153
Chien-Jung Hauang, J. Ke, D. Chou, Wen-Ray Chen, T. Meen
{"title":"Analysis of different structure on small molecule organic solar cells","authors":"Chien-Jung Hauang, J. Ke, D. Chou, Wen-Ray Chen, T. Meen","doi":"10.1109/ISNE.2010.5669153","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669153","url":null,"abstract":"We investigated the structures of the small molecule organic solar cell to know the influences of the performance. First we based on a single donor-acceptor heterojunction (ITO/CuPc/C60/BCP/Al) to get some information, then we mixed donor (CuPc) and acceptor (C60) to increase the short circuit current density of the device. Finally we combined above structure to get the best power conversion efficiency. We analyze the advantages and shortages of three structures.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125680787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RFID design with CRC programmable capability, dual encode functions and dual modulation outputs RFID设计具有CRC可编程能力，双编码功能和双调制输出
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669159
Y. Hung, Han-Jun Hung
{"title":"RFID design with CRC programmable capability, dual encode functions and dual modulation outputs","authors":"Y. Hung, Han-Jun Hung","doi":"10.1109/ISNE.2010.5669159","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669159","url":null,"abstract":"In this paper, a CMOS chip with programmable capability for cyclic redundancy check (CRC) operation is proposed. By the programmable function, the circuit provides function of CRC-4, CRC-5, CRC-8, or CRC-16. The dual encoding functions including Manchester and Miller codes are also obtained from the circuit. In addition, amplitude-shift keying (ASK) and frequency-shift keying (FSK) modulations are integrated within the chip for more practical applications. These flexible and programmable characteristics are useful for radio frequency identification (RFID). Based on TSMC 0.18-µm CMOS technology, the whole circuit works successfully at 1.8 V, 200 MHz data throughput, and 0.85-mW power consumption by HSPICE post-layout simulation. The supply voltage of the circuit can be further reduced to 0.9 V@100 MHz and 90 µW power consumption.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128871057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Green polymer light-emitting device preprared for next-generation flexible electronic application 为下一代柔性电子应用制备的绿色聚合物发光器件
2010 International Symposium on Next Generation Electronics Pub Date : 2010-12-17 DOI: 10.1109/ISNE.2010.5669165
Ming-Lung Tu, Y. Su
{"title":"Green polymer light-emitting device preprared for next-generation flexible electronic application","authors":"Ming-Lung Tu, Y. Su","doi":"10.1109/ISNE.2010.5669165","DOIUrl":"https://doi.org/10.1109/ISNE.2010.5669165","url":null,"abstract":"An efficient flexible polymer light-emitting device (PLED) was fabricated for next-generation flexible electronic application. The substrate was flexible polyethylene terephthalate (PET). The polymer, poly(2,3-dibutoxy-1,4-poly(phenylene vinylene)) (DBPPV), was light-emitting material. From the J-V characteristic, the threshold voltage was determined to be 4.7V for flexible PLED. The maximum luminescence was 10235 cd/m2. The maximum efficiency of green flexible PLED was 3.49 cd/A.","PeriodicalId":412093,"journal":{"name":"2010 International Symposium on Next Generation Electronics","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131432905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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