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2007 18th European Conference on Circuit Theory and Design最新文献

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A broadband, inductorless LNA for multi-standard aplications 用于多标准应用的宽带无电感LNA
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529586
M. Vidojkovic, M. Sanduleanu, J. D. V. Tang, P. Baltus, A. Roermund
{"title":"A broadband, inductorless LNA for multi-standard aplications","authors":"M. Vidojkovic, M. Sanduleanu, J. D. V. Tang, P. Baltus, A. Roermund","doi":"10.1109/ECCTD.2007.4529586","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529586","url":null,"abstract":"In this paper a novel broadband, inductor-less, resistive-feedback, CMOS LNA is presented. The amplifier is designed for the frequency band 0.3 GHz-2 GHz. The measured voltage gain of the implemented LNA is 12 dB at 1 GHz and the 3 dB bandwidth is 2 GHz. An IIP3 of -16 dBm and a noise figure of 4 dB are measured at 900 MHz. The value of the measured IIP2 is -13 dBm. The Sll is better than -10 dB in the frequency band from 300 MHz up to 1 GHz. The power dissipation is 18 mW from a 1.2 V supply. The circuit is designed in a digital CMOS 90 nm low power (LP) process without extra process options.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132207229","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: 18
Topological conditions for passive switches in switching converters 开关变换器中无源开关的拓扑条件
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529742
M. Ogata, T. Nishi
{"title":"Topological conditions for passive switches in switching converters","authors":"M. Ogata, T. Nishi","doi":"10.1109/ECCTD.2007.4529742","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529742","url":null,"abstract":"This paper presents an explicit expression for the product (DC power) of an averaged current and an averaged voltage of a switch in switching DC-DC converters and also derive conditions for it to be replaced by a diode (a passive switch).","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133793153","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
CMOS Miller OTA with body-biased output stage 带有本体偏置输出级的CMOS米勒OTA
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529652
A. D. Grasso, S. Pennisi, F. Centurelli, G. Scotti, A. Trifiletti
{"title":"CMOS Miller OTA with body-biased output stage","authors":"A. D. Grasso, S. Pennisi, F. Centurelli, G. Scotti, A. Trifiletti","doi":"10.1109/ECCTD.2007.4529652","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529652","url":null,"abstract":"A bias technique for low-voltage class AB amplifiers is presented. The approach exploits the bulk terminal to set the output quiescent current of a two-stage class-AB CMOS OTA in a reliable manner and without reducing the maximum swing capability. Simulations on a designed example using a 0.25-mum CMOS process show the viability of the approach.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133191615","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
Thermometer-to-binary decoders for flash analog-to-digital converters 用于闪存模数转换器的温度计-二进制解码器
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529581
Erik Säll, M. Vesterbacka
{"title":"Thermometer-to-binary decoders for flash analog-to-digital converters","authors":"Erik Säll, M. Vesterbacka","doi":"10.1109/ECCTD.2007.4529581","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529581","url":null,"abstract":"Decoders for low power, high-speed flash ADCs are investigated. The sensitivity to bubble errors of the ROM decoder with error correction, ones-counter, 4-level folded Wallace-tree, and multiplexer-based decoder are simulated. The ones-counter and multiplexer-based decoder, corresponding to the error insensitive and hardware efficient cases, are implemented in a 130 nm CMOS SOI technology. Measurements yield an ENOB of about 4.1 bit for both, and energy consumption of 80 pJ and 60 pJ, for the respective decoders. Hence we conclude that the MUX-based decoder seems to be a good choice with respect to area, efficiency, and speed.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132584173","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: 55
A collision-free time-to-first spike camera architecture based on a winner-take-all network 一种基于赢者通吃网络的无碰撞时间到第一个尖峰相机架构
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529755
N. Massari, S. A. Jawed, M. Gottardi
{"title":"A collision-free time-to-first spike camera architecture based on a winner-take-all network","authors":"N. Massari, S. A. Jawed, M. Gottardi","doi":"10.1109/ECCTD.2007.4529755","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529755","url":null,"abstract":"A new type of asynchronous time-based digital camera is here presented. The sensor architecture is characterized by a new analog low-power winner take all (WTA) network shared among all the pixels of the array. This circuit detects the most illuminated pixel and transmits it through the channel by queuing the other competitors. An iterative algorithm allows to read-out the entire array, temporally dispatching the information by means of an asynchronous read-out circuit placed at column and row level. The pixel, designed with a 0.35 mum CMOS technology and consisting of 28 transistors, performs a simulated average power consumption less than 10 nW @ 1.8 V for an impinging light power of 100 muW/cm2.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133950043","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
Closed-Form expression of frequency pulling in unlocked-driven nonlinear oscillators 非锁定驱动非线性振荡器中频率牵引的封闭表达式
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529746
P. Maffezzoni, L. Codecasa, D. D’Amore, M. Santomauro
{"title":"Closed-Form expression of frequency pulling in unlocked-driven nonlinear oscillators","authors":"P. Maffezzoni, L. Codecasa, D. D’Amore, M. Santomauro","doi":"10.1109/ECCTD.2007.4529746","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529746","url":null,"abstract":"This paper provides an original closed-form expression of frequency-pulling phenomenon in unlocked-driven nonlinear oscillators. The formula employs the Floquet eigenvector that projects external perturbation into phase-domain and has the peculiarity to be very general being applicable to any oscillator topology.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114076442","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 and implementation of a miniaturised, low power wireless sensor node 小型化、低功耗无线传感器节点的设计与实现
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529741
S. Harte, B. O’flynn, R. Catalá, E. Popovici
{"title":"Design and implementation of a miniaturised, low power wireless sensor node","authors":"S. Harte, B. O’flynn, R. Catalá, E. Popovici","doi":"10.1109/ECCTD.2007.4529741","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529741","url":null,"abstract":"A miniaturised wireless sensor node with a high level of modularity is presented. A transceiver module with a size of 10 mm by 10 mm, operating in the 433/868 MHz frequency bands has been developed. An interface layer provides a regulated power supply from a rechargeable battery, USB battery charging, and USB communications to support the transceiver module. The node has been designed to support very low power operation for applications with low duty cycles, with a sleep current of 3.3 muA transmission current of 10.4 mA, and reception current of 13.3 mA. The small size combined with the level of modularity and energy efficiency results in the suitability of this system to a wide variety of potential applications. This paper discusses the design goals of the node, the decisions made during the design process, and characterisation of the resulting implementation.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"210 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117030553","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: 27
A compensation method of the excess loop delay in continuous-time complex sigma-delta modulators 连续复σ - δ调制器中过量环路延迟的补偿方法
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529556
Song-Bok Kim, S. Joeres, S. Heinen
{"title":"A compensation method of the excess loop delay in continuous-time complex sigma-delta modulators","authors":"Song-Bok Kim, S. Joeres, S. Heinen","doi":"10.1109/ECCTD.2007.4529556","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529556","url":null,"abstract":"Continuous-time (CT) SigmaDelta modulators seriously suffer from excess loop delay, which can not be seen in discrete-time designs. In this paper, it is shown that excess loop delay decreases the signal-to-noise ratio (SNR), input dynamic range (DR) and stability in CT complex SigmaDelta modulator with CIFF topology. A method for its compensation is presented. The proposed compensation scheme has a unity delay in front of the quantizer and complex compensation coefficients which are determined by analysis of the ideal DT loop filter transfer function. The simulation results are compared to analytical considerations.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115515376","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
CMOS continuous-time CMFB circuit with improved linearity 提高线性度的CMOS连续时间CMFB电路
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529531
J. M. Carrillo, J. L. Ausín, J. F. Duque-Carrillo
{"title":"CMOS continuous-time CMFB circuit with improved linearity","authors":"J. M. Carrillo, J. L. Ausín, J. F. Duque-Carrillo","doi":"10.1109/ECCTD.2007.4529531","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529531","url":null,"abstract":"A continuous-time common-mode feedback (CMFB) network consisting of two unity-gain buffers and two passive resistors is introduced in this paper. According to the comparison with a previous implementation, the common-mode control structure presented shows an improved linearity performance as well as a higher immunity to device mismatches. The CMFB circuit has been included in the design of a fully differential voltage buffer, based on a fully differential difference amplifier. Simulated results, obtained in a 0.35-mum standard CMOS technology, are provided in order to show the performance of the proposed approach.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"318 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115246060","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: 6
A design methodology for low-power MCML ring oscillators 低功耗MCML环形振荡器的设计方法
2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI: 10.1109/ECCTD.2007.4529686
G. Caruso, A. Macchiarella
{"title":"A design methodology for low-power MCML ring oscillators","authors":"G. Caruso, A. Macchiarella","doi":"10.1109/ECCTD.2007.4529686","DOIUrl":"https://doi.org/10.1109/ECCTD.2007.4529686","url":null,"abstract":"In this paper, a low-power design method for MCML based ring oscillators is presented. The proposed method takes into account the parasitic capacitances of the MOS transistors. To validate it, some ring oscillators with different oscillation frequencies were designed in a 0.18 mum CMOS technology. SPICE simulations demonstrate the effectiveness of the design method.","PeriodicalId":445822,"journal":{"name":"2007 18th European Conference on Circuit Theory and Design","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121198250","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
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