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[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems最新文献

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Testable CMOS design for robust and logical testability of stuck-open/stuck-on faults 可测试的CMOS设计，用于卡开/卡上故障的鲁棒性和逻辑可测试性
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252035
J.-M. Lee, S.-M. Kang
{"title":"Testable CMOS design for robust and logical testability of stuck-open/stuck-on faults","authors":"J.-M. Lee, S.-M. Kang","doi":"10.1109/MWSCAS.1991.252035","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252035","url":null,"abstract":"A novel robust testable CMOS design technique is proposed to detect all stuck-open and stuck-on faults by single test patterns for the logic circuit and two pattern sequences for the circuit added for testability. The proposed technique adds one transistor per gate for stuck-open fault testing and two transistors for stuck-on faults per gate or multi-level circuit. Thus, for multilevel circuits consisting of N gates, only N+2 additional transistors are required. The extra transistors for stuck-open faults are also capable of monitoring the output signals of gates, by which the observability of the circuit can be enhanced. The proposed technique uses single test patterns for the logic circuit, and hence the overall testing procedure and cost are significantly reduced.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"203 1-2","pages":"623-628 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91489030","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
Synthesis of worst-case optimal controllers over a finite horizon 有限视界上最坏情况最优控制器的综合
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252116
M. Subrahmanyam
{"title":"Synthesis of worst-case optimal controllers over a finite horizon","authors":"M. Subrahmanyam","doi":"10.1109/MWSCAS.1991.252116","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252116","url":null,"abstract":"Necessary conditions are developed for a finite-horizon version of the H/sub infinity / optimal control problem. Problems involving generalized cost functionals and nonzero initial conditions are considered. A criterion for the evaluation of the performance index is given in these cases. The author's computational experience shows that the finite-horizon performance is useful in computing the infimal H/sub infinity / norm in the infinite horizon case, as the final time becomes large. Also, expressions are derived for the variation in performance in terms of system parameter variations. These linear expressions are useful in the evaluation of the robustness of the proposed control strategy.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"R-32 1","pages":"8-12 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84758186","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 SPICE macromodel for an adjustable positive voltage regulator 可调正电压调节器的SPICE宏模型
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252088
G.M. Wierzba, K. Noren
{"title":"A SPICE macromodel for an adjustable positive voltage regulator","authors":"G.M. Wierzba, K. Noren","doi":"10.1109/MWSCAS.1991.252088","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252088","url":null,"abstract":"A macromodel has been developed for the LM117 adjustable positive voltage regulator. This model predicts AC, DC, transient, and power-up responses. Design formulas for finding the component values of the macromodel which are based on pin measurements are presented. The methodology of development is presented along with experimental and simulated results.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"4 1","pages":"610-614 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72851850","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
A temperature dependent SPICE macro-model for power MOSFETs 功率mosfet的温度相关SPICE宏观模型
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252091
D. Pierce
{"title":"A temperature dependent SPICE macro-model for power MOSFETs","authors":"D. Pierce","doi":"10.1109/MWSCAS.1991.252091","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252091","url":null,"abstract":"A power MOSFET SPICE macro-model suitable for use over the temperature range -55 to 125 degrees C has been developed. The model is composed of a single parameter set with temperature dependence accessed through the SPICE.TEMP card. SPICE parameter extraction techniques for the model and model predictive accuracy are discussed. Though complex, the model and approach to parameter extraction are straightforward. As all the parameter extraction algorithms are analytic in nature, automation of the extraction process is straightforward and requires no special optimization routines. The addition of a power MOSFET model to the SPICE code would result in more robust and efficient simulations.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"10 1","pages":"597-601 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78756722","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
Implementation of high-performance and highly efficient computational modules using binary tree structures at the device level 在设备级使用二叉树结构实现高性能和高效率的计算模块
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252078
R. Krishnan
{"title":"Implementation of high-performance and highly efficient computational modules using binary tree structures at the device level","authors":"R. Krishnan","doi":"10.1109/MWSCAS.1991.252078","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252078","url":null,"abstract":"A novel approach to build a full-adder circuit is presented using the modified binary tree. In this approach, the full adder can take only 15 transistors. In the residue-number-system-based digital signal processing architectures, look-up tables are an important computational element. Using the modified binary tree, an efficient row/column decoder is proposed for the look-up table implementation. It is observed that the look-up table based on the conventional approach occupies 26% more area and takes 1.5 ns more access time than the look-up table based on the modified binary tree.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"5 1","pages":"854-859 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76039966","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
CAPZ-a PC program for switched-capacitor filter analysis in the z-transform domain 一个用于在z变换域中分析开关电容滤波器的PC程序
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252144
A. de Queiroz, L. Calôba
{"title":"CAPZ-a PC program for switched-capacitor filter analysis in the z-transform domain","authors":"A. de Queiroz, L. Calôba","doi":"10.1109/MWSCAS.1991.252144","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252144","url":null,"abstract":"A description is given of the CAPZ program, which analyzes switched-capacitor filters, computing z-transform transfer functions. It can plot gain and phase versus frequency curves, poles and zeros, and time responses. The transfer functions are computed by FFT (fast Fourier transform) interpolation. Time and frequency responses are computed from the transfer functions, allowing the analysis to be swiftly completed.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"50 1","pages":"134-137 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79253621","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
The Bernstein filter-a new class of linear phase filter approximation Bernstein滤波器——一类新的线性相位滤波器近似
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252015
D. Baez-López
{"title":"The Bernstein filter-a new class of linear phase filter approximation","authors":"D. Baez-López","doi":"10.1109/MWSCAS.1991.252015","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252015","url":null,"abstract":"A class of linear phase analog filter approximation based on the Bernstein polynomials is presented. The advantages obtained using this approximation when compared to the Thomson approximation include the fact that the group delay can be varied by varying one of the two parameters available, and in the stopband the magnitude may or may not approach zero as frequency increases. This class of low-pass linear phase transfer functions gives a magnitude which has quasi-maximally flat magnitude. The function has several parameters that allow the function to change the slope in the phase function, the slope in the transition band, the cut-off frequency, and the magnitude value at infinite frequency.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"262 1","pages":"704-707 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79681160","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: 10
Stabilization bound of singularly perturbed discrete-time systems 奇异摄动离散系统的镇定界
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.251987
T.-H.S. Li, J.-H. Li
{"title":"Stabilization bound of singularly perturbed discrete-time systems","authors":"T.-H.S. Li, J.-H. Li","doi":"10.1109/MWSCAS.1991.251987","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.251987","url":null,"abstract":"The in -bound problem in singularly perturbed discrete-time system is considered. A stability criteria based on the frequency domain representation is derived. Two examples are used to demonstrate the proposed scheme.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"47 1","pages":"920-923 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76616953","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: 9
Effect of trench geometry, cable size and top layer thickness on the heat dissipation in buried cables 沟槽几何形状、电缆尺寸和顶层厚度对埋地电缆散热的影响
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252005
M. A. Hanna, A.Y. Chikhani
{"title":"Effect of trench geometry, cable size and top layer thickness on the heat dissipation in buried cables","authors":"M. A. Hanna, A.Y. Chikhani","doi":"10.1109/MWSCAS.1991.252005","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252005","url":null,"abstract":"The geometrical dimensions of the trench and the type of top layer used for the installation of buried cable are considered. These dimensions include the trench width and depth, cable depth and diameter, and thickness of the top layer. The dimensions, such as the trench width and the cable diameter, are varied to emphasize their effect on the heat dissipation. A simple model using the finite difference technique is used to determine the temperature at each node of the grid, and the Gauss-Siedel iteration method is used to solve the temperature equations. The heat dissipation from buried cables can be increased either by using larger cable diameter or by increasing the width of the trench. The number of grid points has a remarkable influence on the predicted value of heat dissipation. The percentage of the change in the heat dissipation due to the diameter or the trench width remains approximately the same for various grid points. The heat balance analysis shows that the difference between the cable heat dissipation and the heat losses from the grid boundaries is less than 0.3%, and the convective surface at the grid top plays a major role in dissipating the heat produced by the cable by almost 86% for most of the trenches with various widths.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"14 1","pages":"743-747 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76799238","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 new method for evaluating lightwave network architectures 一种评估光波网络结构的新方法
[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems Pub Date : 1991-05-14 DOI: 10.1109/MWSCAS.1991.252162
B. Khasnabish, M. Ahmadi, S. Erfani, M. Shridhar
{"title":"A new method for evaluating lightwave network architectures","authors":"B. Khasnabish, M. Ahmadi, S. Erfani, M. Shridhar","doi":"10.1109/MWSCAS.1991.252162","DOIUrl":"https://doi.org/10.1109/MWSCAS.1991.252162","url":null,"abstract":"Presents a novel analytical technique for evaluating a lightwave network architecture for two different traffic distribution patterns, viz., uniform traffic distributions (UTDs) and zonal traffic distributions (ZTDs). Evaluating an architecture in the context of interest calls for determining the internode distance (IND) distribution, the mean IND (MIND), the topology z-transform, and the penalty per deflection en route to destination for a prespecified version of the network structure. It is shown that the architectural properties of a network are very much dependent on the traffic distribution patterns.<<ETX>>","PeriodicalId":6453,"journal":{"name":"[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems","volume":"85 1","pages":"316-319 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1991-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76801934","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
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