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1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)最新文献

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An algorithmic of analog-to-digital converter using current-mode and digital CMOS process 一种利用电流模式和数字CMOS工艺实现模数转换的算法
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759544
N. Oki, J. Soldera
{"title":"An algorithmic of analog-to-digital converter using current-mode and digital CMOS process","authors":"N. Oki, J. Soldera","doi":"10.1109/MWSCAS.1998.759544","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759544","url":null,"abstract":"In this paper a new algorithmic Analog-to-Digital Converter (ADC) is presented. This new topology use the current-mode technique that allows a large dynamic range and can be implemented in a digital CMOS process. The ADC proposed is very small and can handle high sampling rates. Simulation results using a 1.2 um CMOS process show that an 8-b ADC can support a sampling rate of 50 MHz.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125169869","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 gain-compensated switched capacitor integrator 增益补偿开关电容积分器
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759475
L. Fang, K. Chao
{"title":"A gain-compensated switched capacitor integrator","authors":"L. Fang, K. Chao","doi":"10.1109/MWSCAS.1998.759475","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759475","url":null,"abstract":"A topology of switched capacitor integrator with gain compensation is proposed. It employs the same input as in the integrating phase during the calibration cycle to compensate for the integrating pole error due to the finite gain of the op-amp, and it eliminates the need of a \"slow motion input\" requirement. The proposed topology can be used, for example, in the switched capacitor implementation of sigma-delta modulators.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130851216","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
Optimized compact active down converters having low power consumption and high conversion 优化紧凑型有源下变频器具有低功耗和高转换
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759565
B. P. Kumar, G. Branner, D. Xu, A. Ching, B. Huang
{"title":"Optimized compact active down converters having low power consumption and high conversion","authors":"B. P. Kumar, G. Branner, D. Xu, A. Ching, B. Huang","doi":"10.1109/MWSCAS.1998.759565","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759565","url":null,"abstract":"An in-depth technique for optimized design and modeling of compact, active low power consumption downconverters is presented in this paper. The designs are unique in that they employ precision computer models developed to assist in providing optimal self oscillating mixer based designs yielding conversion gains of up to 9 dB while requiring bias powers as low as 3.6 mW. The results show good agreement between modeled and measured data.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130323675","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
Integer pair representation of binary terms and equations 二进制项和方程的整数对表示
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759462
A.J. Diaz, M. Jiménez, E. Strangas, M. Shanblatt
{"title":"Integer pair representation of binary terms and equations","authors":"A.J. Diaz, M. Jiménez, E. Strangas, M. Shanblatt","doi":"10.1109/MWSCAS.1998.759462","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759462","url":null,"abstract":"A new format to represent binary terms in a Boolean function, called the Integer Pair Representation (IPR) is proposed. This format uses an ordered pair of integers to compactly represent each cube of a Boolean function written as a sum-of-products in either canonical or non-canonical form. Properties of the representation are discussed and its advantages illustrated in the development of algorithms for minimizing single-output, binary valued Boolean functions.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133800976","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
Generalized cube networks for implementing dynamic element matching digital-to-analog converters 实现动态元件匹配数模转换器的广义立方体网络
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759545
J. Bruce, P. Stubberud
{"title":"Generalized cube networks for implementing dynamic element matching digital-to-analog converters","authors":"J. Bruce, P. Stubberud","doi":"10.1109/MWSCAS.1998.759545","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759545","url":null,"abstract":"Dynamic element matching (DEM) has been used to increase the spurious free dynamic range of digital to analog converters (DACs). In this paper, two DEM networks, the Full Randomization DEM (FRDEM) network and the binary tree (BT) network, are shown to be equivalent to an appropriately connected generalized cube network (GCN). A comparison of these two networks and the GCN shows that the BT network has the lowest hardware complexity for two to six bit DACs and that the FRDEM network has the lowest hardware complexity for DACs with seven bits or more.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131994783","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: 12
Stochastic analysis of bandpass delta-sigma modulator for passband signals 带通δ - σ调制器对通带信号的随机分析
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759434
Tsung-Yuan Chang, S. Bibyk
{"title":"Stochastic analysis of bandpass delta-sigma modulator for passband signals","authors":"Tsung-Yuan Chang, S. Bibyk","doi":"10.1109/MWSCAS.1998.759434","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759434","url":null,"abstract":"Gaussian assumption for the input to the quantizer is the key to the stochastic analysis of /spl Delta//spl Sigma/ modulator. Our studies show this assumption is also reasonable for bandpass /spl Delta//spl Sigma/ systems when pass-band communication signals are applied. The analysis of quantization error based on this assumption is also performed. The results suggest adding a suitable amount of dither can help the power of quantization error to achieve its minimum value.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131149571","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 comparative evaluation of various methods for detection of small spikes in data 对检测数据中小尖峰的各种方法的比较评价
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759542
M. Das, T. Hunt
{"title":"A comparative evaluation of various methods for detection of small spikes in data","authors":"M. Das, T. Hunt","doi":"10.1109/MWSCAS.1998.759542","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759542","url":null,"abstract":"The detection of relatively large spikes in data can be easily handled using common outlier detection techniques, but that of the smaller ones becomes a non-trivial task because of their inconspicuous nature. One has to utilize various signal enhancement, processing, and thresholding techniques in order achieve a 100% detection accuracy and a low false alarm rate. Seven different spike detection techniques are studied and compared here. Experimental results are presented in details.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115108164","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
A low voltage CMOS current conveyor for active filter design 一种低压CMOS电流输送有源滤波器的设计
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759456
B. Maundy, I. Finvers, P. Aronhime
{"title":"A low voltage CMOS current conveyor for active filter design","authors":"B. Maundy, I. Finvers, P. Aronhime","doi":"10.1109/MWSCAS.1998.759456","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759456","url":null,"abstract":"A simple CMOS second generation negative current conveyor (CCII-) is presented which is suitable for low supply voltage operation. By restricting the CCII- to applications where the Y input is effectively referenced to signal ground, a greatly simplified circuit topology is realized. With only two devices stacked between the supply rails, low voltage operation is achieved. Internal negative feedback is used to reduce the input resistance of the X input. Simulation results demonstrate the use of the CCII- in lowpass and bandpass filter applications.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115549569","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
An universal audio preamplifier with active offset cancellation in a 2.0 /spl mu/m BiCMOS technology 采用2.0 /spl mu/m BiCMOS技术的有源偏移抵消的通用音频前置放大器
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759455
A. Boni, C. Morandi, S. Padoan, A. Pelicelli
{"title":"An universal audio preamplifier with active offset cancellation in a 2.0 /spl mu/m BiCMOS technology","authors":"A. Boni, C. Morandi, S. Padoan, A. Pelicelli","doi":"10.1109/MWSCAS.1998.759455","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759455","url":null,"abstract":"This paper discusses the design of an integrated audio preamplifier, which provides programmable gain from -60 dB to 0 dB and can be interfaced to either balanced or unbalanced audio signal sources. Performance in terms of SDR and SNR are Hi-Fi compatible. The amplifier is part of a more complex analog ASIC, implemented in a 2 /spl mu/m, /spl plusmn/12.5 V supply, BiCMOS technology.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"553 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123919273","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
On the construction of a random process with given power spectrum and probability density function 具有给定功率谱和概率密度函数的随机过程的构造
1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268) Pub Date : 1998-08-09 DOI: 10.1109/MWSCAS.1998.759424
K. Letsch, R. Matzner
{"title":"On the construction of a random process with given power spectrum and probability density function","authors":"K. Letsch, R. Matzner","doi":"10.1109/MWSCAS.1998.759424","DOIUrl":"https://doi.org/10.1109/MWSCAS.1998.759424","url":null,"abstract":"Often random processes with a given probability density function (pdf) and a given power spectrum are desired. Usually a discrete-time linear system is used to shape the power spectrum of an i.i.d. excitation process in the desired manner but there does not exist a solution to simultaneously adjust the output pdf. In this paper a method is introduced to adjust the pdf at the output of a given linear system to almost any desired shape by computing the required pdf of the excitation process, which can easily be shaped by a memoryless nonlinear system without any impact on the power spectrum. The method is based on Hermite polynomials to obtain an approximation of the pdf, cumulants to describe the effect of the linear system on the pdf, and a combinatorial algorithm to complete the Hermitian coefficients from cumulants, and vice versa. A numerical example gives evidence of the practical applicability.","PeriodicalId":338994,"journal":{"name":"1998 Midwest Symposium on Circuits and Systems (Cat. No. 98CB36268)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122601219","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
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