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IEEE Transactions on Circuits and Systems II: Express Briefs

Issue 12 • Date Dec. 2004

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Displaying Results 1 - 15 of 15
  • Table of contents

    Publication Year: 2004, Page(s): c1
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  • IEEE Transactions on Circuits and Systems—II: Express Briefs publication information

    Publication Year: 2004, Page(s): c2
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  • Dynamical effects of missed switching in current-mode controlled DC-DC converters

    Publication Year: 2004, Page(s):649 - 654
    Cited by:  Papers (47)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB) | HTML iconHTML

    Past investigations on nonlinear phenomena in DC-DC converters assume ideal switching and ignore the practical issue of switching ripples, for which the sampled data models yield piecewise smooth but continuous maps. In this brief, we show that the unavoidable nonidealities in the switching result in discontinuity in the map, which drastically changes the bifurcation structures. We demonstrate the... View full abstract»

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  • Congestion estimation for 3-D circuit architectures

    Publication Year: 2004, Page(s):655 - 659
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB) | HTML iconHTML

    Three-dimensional (3-D) routing is an important step in deep submicrometer very large-scale integrated design. Given a 3-D grid graph and a set of two-terminal nets to be routed, we propose a probabilistic model to calculate the routing density (congestion) on each edge of the grid graph. The routing density provides a direct congestion estimation. Our experimental results demonstrate the effectiv... View full abstract»

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  • Effect of jitter on asynchronous sampling with finite number of samples

    Publication Year: 2004, Page(s):660 - 664
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (184 KB) | HTML iconHTML

    In modern communication systems, the conversion of analog signals into digital form [analog-digital conversion (ADC)] is one of the most critical functions. A fundamental limit of the signal-to-noise ratio (SNR) achievable in this conversion is given by the jitter of the sampling clock. The requirements on the maximum jitter tolerable are typically specified using SNR expressions which hold in the... View full abstract»

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  • On the security of the Yi-Tan-Siew chaotic cipher

    Publication Year: 2004, Page(s):665 - 669
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB) | HTML iconHTML

    This paper presents a comprehensive analysis on the security of the Yi-Tan-Siew chaotic cipher. A differential chosen-plaintext attack and a differential chosen-ciphertext attack are suggested to break the sub-key K, under the assumption that the time stamp can be altered by the attacker, which is reasonable in such attacks. Also, some security problems about the sub-keys α and β are cl... View full abstract»

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  • Linear bipolar OTAs based on a triple-tail cell employing exponential circuits

    Publication Year: 2004, Page(s):670 - 674
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB) | HTML iconHTML

    Two types of new operational transconductance amplifiers (OTA), which are composed of exponential circuits and a triple-tail cell, are presented. The linear input voltage ranges of the proposed OTAs are wider than that of the triple-tail cell and have lower current consumption. The improvement of the signal-to-noise ratio is confirmed. The results of SPICE simulation show that the OTAs have good f... View full abstract»

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  • Systematic design of double-sampling ΣΔ A/D converters with a modified noise transfer function

    Publication Year: 2004, Page(s):675 - 679
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB) | HTML iconHTML

    Double-sampling ΣΔ analog-digital converters (ADCs) are sensitive to path mismatch which causes quantization noise to fold into the signal band. A recent solution for this problem consists of modifying the noise transfer function (NTF) of the modulator such that it has one or several zeros at the Nyquist frequency, next to those in the baseband. In this brief, we present a systematic d... View full abstract»

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  • Performance of differential chaos-shift-keying digital communication systems over a multipath fading channel with delay spread

    Publication Year: 2004, Page(s):680 - 684
    Cited by:  Papers (52)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB) | HTML iconHTML

    The performance of the noncoherent differential chaos-shift-keying (DCSK) communication system over a multipath fading channel with delay spread is evaluated. Analytical expressions of the bit error rates are derived under the assumption of an independent Rayleigh fading two-ray channel model. Analytical and simulated results are presented and compared. The multipath performance of the DCSK system... View full abstract»

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  • A delay-dependent stability criterion of neutral systems and its application to a partial element equivalent circuit model

    Publication Year: 2004, Page(s):685 - 689
    Cited by:  Papers (75)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (184 KB) | HTML iconHTML

    The real circuit model, such as a partial element equivalent circuit (PEEC), can be represented as a delay differential equation (DDE) of neutral type. The study of asymptotic stability of this kind of systems is of much importance due to the fragility of DDE solvers. Based on a descriptor system approach, new delay-dependent stability results are derived by introducing some free weighting matrice... View full abstract»

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  • Corrections to “Guaranteed Cost Control of Uncertain Differential Linear Repetitive Processes”

    Publication Year: 2004, Page(s): 690
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  • List of Reviewers

    Publication Year: 2004, Page(s):691 - 693
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  • 2004 Index

    Publication Year: 2004, Page(s):694 - 708
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  • IEEE Circuits and Systems Society Information

    Publication Year: 2004, Page(s): c3
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  • IEEE Transactions on Circuits and Systems—II: Express Briefs Information for authors

    Publication Year: 2004, Page(s): c4
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Aims & Scope

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief

Chi K. Michael Tse
Dept. of Electronic and Information Engineering
Hong Kong Polytechnic University
Hunghom, Hong Kong
cktse@ieee.org