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Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)最新文献

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Direct digital frequency synthesis using nonlinear digital-to-analog conversion 直接数字频率合成使用非线性数模转换
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986332
J. Creekmore, S. Porter, J. Bruce, B. Blalock
{"title":"Direct digital frequency synthesis using nonlinear digital-to-analog conversion","authors":"J. Creekmore, S. Porter, J. Bruce, B. Blalock","doi":"10.1109/MWSCAS.2001.986332","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986332","url":null,"abstract":"A design technique that uses nonlinear D/A conversion for low power, area efficient sine output direct digital frequency synthesis (DDFS) is presented. Nonlinear reference voltages are created geometrically and replace the large, power hungry ROM in conventional DDFS circuits. The proposed design is independent of sheet resistance. Finally, design equations and simulations are presented.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115511429","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
Formal verification and performance evaluation of logic integrated systems based on hierarchical analysis 基于层次分析的逻辑集成系统形式化验证与性能评价
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986273
F. El-licy, H. Abdel-Aty-Zohdy
{"title":"Formal verification and performance evaluation of logic integrated systems based on hierarchical analysis","authors":"F. El-licy, H. Abdel-Aty-Zohdy","doi":"10.1109/MWSCAS.2001.986273","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986273","url":null,"abstract":"Formal verification of very large scale integrated circuit (VLSIC) involves the formal correctness of the functionality of a given design, while circuit validation involves the reliability and efficiency of the design. A hierarchical approach for computation, of IC design efficiency is proposed and implemented using figures of merit. The work has been motivated to partially complete an IC formal verification tool. The implemented system is integrated into a formal verification environment to reflect the performance of the verified system. The system is capable of analyzing the power dissipation and figures of merit using equivalent R and C components. The hierarchical analysis and evaluation of figures of merit general factors obtained at different system levels represent performance evaluation of each gate. An illustrative example of a 6/spl times/6 carry look-ahead adder is given and worst case conditions have been determined. The system performance may thus be improved.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115661730","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
Clock recovery using a wide-band signal in a multi-carrier communication system 在多载波通信系统中使用宽带信号进行时钟恢复
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986190
K. Barman
{"title":"Clock recovery using a wide-band signal in a multi-carrier communication system","authors":"K. Barman","doi":"10.1109/MWSCAS.2001.986190","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986190","url":null,"abstract":"In this paper, an SNR based scheme is detailed for clock recovery in a multi-carrier communication system. This scheme shows an optimal way to combine a multitude of sub-carriers to arrive at a clock error estimate using individual tonal SNR and second order statistics of the additive noise to ensure a predefined confidence level for the residual clock error The scheme can be used even if the tones are modulated (by the transmitter) with a known or unknown (to the receiver) sequence of symbols (data).","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115670112","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
An on chip signal processing and Fabry-Perot sensor using multi-slopes architecture 采用多斜率结构的片上信号处理和Fabry-Perot传感器
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986289
S. Ahmadi, M. Zaghloul
{"title":"An on chip signal processing and Fabry-Perot sensor using multi-slopes architecture","authors":"S. Ahmadi, M. Zaghloul","doi":"10.1109/MWSCAS.2001.986289","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986289","url":null,"abstract":"In this paper, a Fabry-Perot based optical smart sensor and some of its advantages and applications are discussed. Basics of optical sensors and tight intensity modulations, with regard to the smart sensor, are discussed. The CMOS/MEMS implementation and fabrication of a Fabry-Perot sensor and it's companion photodiode are shown. This companion photodiode of Fabry-Perot converts the filtered light intensity into an electrical signal. A CMOS integrated circuit is designed for the signal conditioning and processing of photodiode electrical signal. Using the CMOS integrated circuit, the analog signal is converted into a digital form and is available in an 8-bit bus for further processing.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"204 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114723534","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
A voltage-controlled oscillator for a 300 MHz high-temperature transceiver realized in 0.5 /spl mu/m SOS technology 采用0.5 /spl mu/m SOS技术实现了300mhz高温收发器的压控振荡器
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986266
A. Moor, J. M. Rochelle, C. Britton, J. A. Moore, M. Emery, R. Schultz
{"title":"A voltage-controlled oscillator for a 300 MHz high-temperature transceiver realized in 0.5 /spl mu/m SOS technology","authors":"A. Moor, J. M. Rochelle, C. Britton, J. A. Moore, M. Emery, R. Schultz","doi":"10.1109/MWSCAS.2001.986266","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986266","url":null,"abstract":"This paper presents a study of the design of a 300-MHz voltage-controlled oscillator (VCO) implemented in a 0.5-/spl mu/m Silicon-On-Sapphire (SOS) CMOS technology. The circuit is designed for use in a frequency synthesizer in a high-temperature (200/spl deg/C) transceiver. Several issues relating to high-temperature applications as well as the overall system architecture are presented. The design of the VCO is emphasized in this paper, but a programmable divider, phase detector/charge pump and loop filter were also designed for use in closed-loop tests of the VCO and are briefly discussed. Prototyping and testing procedures are discussed and the results of the prototyped circuits are evaluated.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123697733","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: 3
Wireless MEMS tested within the context of a transparent sensor 无线MEMS测试在一个透明传感器的背景下
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986291
D. Repperger, S. Soni, D. Reynolds
{"title":"Wireless MEMS tested within the context of a transparent sensor","authors":"D. Repperger, S. Soni, D. Reynolds","doi":"10.1109/MWSCAS.2001.986291","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986291","url":null,"abstract":"The attributes of being both noninvasive and wireless provide great advantages for the MEMS pressure measurement device described. By inserting a MEMS contrivance inside a composite material, the assemblage is sheltered from the surroundings yet able to operate in harsh environments, such as in outer space. Data are presented on testing of such a system in a three point bending test to failure and comparing the MEMS reading to external and standard strain gage measurements.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122960865","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
An FSK demodulator for Bluetooth applications having no external components 一种FSK解调器，用于没有外部组件的蓝牙应用
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986336
E. Main, D. Coffing
{"title":"An FSK demodulator for Bluetooth applications having no external components","authors":"E. Main, D. Coffing","doi":"10.1109/MWSCAS.2001.986336","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986336","url":null,"abstract":"An injection-locked oscillator in combination with a phase detector is shown to make a very effective FSK demodulator for Bluetooth applications. The dynamic behavior allows automatic tuning from outside the locking range. Two tuning methods are described which eliminate the need for external components. A cancellation technique is used which minimizes filtering requirements. The demodulator was fabricated in a 0.4 /spl mu/m BiCMOS technology.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122003941","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: 19
A method of elimination of interferences of quasi-periodic nature 一种消除准周期干扰的方法
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986188
A. Ziarani, A. Konrad, E. Rogers
{"title":"A method of elimination of interferences of quasi-periodic nature","authors":"A. Ziarani, A. Konrad, E. Rogers","doi":"10.1109/MWSCAS.2001.986188","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986188","url":null,"abstract":"A nonlinear adaptive method for the elimination of quasiperiodic interferences of time-varying nature having frequency characteristics within the frequency range of the signal of interest is presented. The methodology is exemplified by its application in removing power line interference from electrocardiogram signals.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121403675","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: 3
Design of a smart optically controlled high power switch for fly-by-light applications 一种智能光控大功率光控开关的设计
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986197
P. Bhadri, D. Sukumaran, K. Ye, S. Dasgupta, E. Guliants, F. Beyette
{"title":"Design of a smart optically controlled high power switch for fly-by-light applications","authors":"P. Bhadri, D. Sukumaran, K. Ye, S. Dasgupta, E. Guliants, F. Beyette","doi":"10.1109/MWSCAS.2001.986197","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986197","url":null,"abstract":"Fly-by-light in avionic systems reduces electromagnetic interference hence improving the clarity of the control signals. A hybrid approach combining a silicon photoreceiver module with a SiC power transistor is proposed. The resulting device uses a 5 mW optical control signal to produce a 150 A current suitable for driving an electric motor.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126153083","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
Versatile current-mode loser-take-all circuits for analog decoders 用于模拟解码器的通用电流模式输者通吃电路
Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257) Pub Date : 2001-08-14 DOI: 10.1109/MWSCAS.2001.986295
I. A. Omole, B. Maundy
{"title":"Versatile current-mode loser-take-all circuits for analog decoders","authors":"I. A. Omole, B. Maundy","doi":"10.1109/MWSCAS.2001.986295","DOIUrl":"https://doi.org/10.1109/MWSCAS.2001.986295","url":null,"abstract":"A new concept for finding the minimum between two variables is described in this paper. Two types of hardware implementation of the novel concept are presented in CMOS. The ease of adding and/or subtracting currents as compared to voltage summation is fully utilized to realize versatile current-mode minimum seeking circuits that could find application in analog decoders. The approach presented also has the potential of being extended in a highly modular architecture to find the minimum of an array of inputs in current-mode. The overall circuitry uses single and double output current mirrors as internal processing units connected between a 3.3 V power supply and could resolve a current difference of at least 1.5 /spl mu/A.","PeriodicalId":403026,"journal":{"name":"Proceedings of the 44th IEEE 2001 Midwest Symposium on Circuits and Systems. MWSCAS 2001 (Cat. No.01CH37257)","volume":"34 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126158773","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
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