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IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications

Issue 12 • Date Dec. 2003

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Displaying Results 1 - 19 of 19
  • Editorial

    Publication Year: 2003, Page(s):1513 - 1514
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    Freely Available from IEEE
  • Comments on "A CMOS fully balanced four-terminal floating nullor

    Publication Year: 2003
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (187 KB) | HTML iconHTML

    For original paper see ibid., vol.49, p.413-424 (2002 ). The comments in the present paper state that the four-terminal floating nullor (FTFN) is not more versatile than the CCII, because any circuit can also be realized with CCIIs as the only active elements, and that the FTFN and the CCII are not the only universally versatile elements. There are others, such as operational amplifiers. The autho... View full abstract»

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  • List of reviewers of manuscripts submitted in 2002-2003

    Publication Year: 2003, Page(s):1603 - 1608
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  • Author index

    Publication Year: 2003, Page(s):1609 - 1616
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  • Subject index

    Publication Year: 2003, Page(s):1616 - 1635
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  • A new method for harmonic distortion analysis in class-AB stages

    Publication Year: 2003, Page(s):1559 - 1563
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (359 KB) | HTML iconHTML

    In this brief, a new method for analytically evaluating the harmonic distortion (HD) in class-AB stages is introduced. It is based on modeling each push-pull device in the stage with a different third-order polynomial. The coefficients of these polynomials are then evaluated by straightforward computations or by pencil-and-paper analysis on the transcharacteristic of the stage. The resulting theor... View full abstract»

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  • The effect of transistor feedback capacitance in class-E power amplifiers

    Publication Year: 2003, Page(s):1556 - 1559
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (339 KB) | HTML iconHTML

    In this brief, the contribution of transistor feedback capacitance to the total output capacitance in Class-E power amplifiers is analyzed. It is shown that the feedback capacitance loads the output of the transistor by its nominal value plus an amount proportional to the ratio of the input voltage amplitude to the peak voltage across the output of the transistor. Because a high-input drive is req... View full abstract»

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  • Construction and transformation of multiple-input translinear element networks

    Publication Year: 2003, Page(s):1530 - 1537
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (438 KB) | HTML iconHTML

    We present a simple algorithmic procedure for constructing a multiple-input translinear element (MITE) network from a translinear-loop equation. We also give a number of MITE-network transformations that alter the structure of the MITE network without altering the translinear-loop equation that it embodies. The results that we establish in this paper serve as foundations for the synthesis of both ... View full abstract»

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  • An efficient observer-based sampled-data control: digital redesign approach

    Publication Year: 2003, Page(s):1595 - 1600
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (366 KB) | HTML iconHTML

    This brief concerns a new digital redesign (DR) technique for an observer-based output-feedback control (OBOFC) system. The term DR involves converting an analog controller into an equivalent digital one in the sense of state-matching. The considered DR problem is viewed as a convex minimization problem of the norm distances between linear operators to be matched and its constructive condition is ... View full abstract»

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  • An adaptive technique for accuracy enhancement of vector quantizers in nonorthogonal domains

    Publication Year: 2003, Page(s):1548 - 1555
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (700 KB) | HTML iconHTML

    Recently, novel vector quantization techniques in multiple nonorthogonal domains for both waveform and model-based signal characterization that give an improved qualitative and quantitative signal coding performance as compared to vector quantization in single domain have been reported. In these techniques, vectors are formed either directly from the signal waveform or from the model parameters ex... View full abstract»

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  • Multirate IIR filter structures for arbitrary bandwidths

    Publication Year: 2003, Page(s):1515 - 1529
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1012 KB) | HTML iconHTML

    This paper introduces new multirate infinite-length impulse-response (IIR) filter structures for arbitrary bandwidths. The overall filters have the same input and output sample rates. Multirate techniques are only used internally in order to improve the efficiency. The overall filters make use of an IIR filter for the actual filtering, periodic allpass filters for constructing complementary filter... View full abstract»

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  • BIBO stability in 3-D digital filters

    Publication Year: 2003, Page(s):1574 - 1576
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (276 KB) | HTML iconHTML

    In this brief, we consider the problem of binary input binary output stability of three-dimensional linear shift-invariant filters, in the presence of nonessential singularities of the second kind. We derive necessary and sufficient conditions for l1 and l2 stabilities of a function G=P/Qn, where P and Q are polynomials in the complex variable z. View full abstract»

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  • On the linear profile of indices for the prediction of saddle-node and limit-induced bifurcation points in power systems

    Publication Year: 2003, Page(s):1588 - 1595
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (471 KB) | HTML iconHTML

    This brief analyzes the linear profiles presented by certain classes of bifurcation indices with respect to the variation of the loading parameter in power systems. The bifurcation indices discussed here are used in practice to predict proximity to saddle-node and some types of limit-induced bifurcations, given their special profiles. Thus, the linearity of these indices is studied with the help o... View full abstract»

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  • Peak-current-mode based single-wire current-share multimodule paralleling DC power supplies

    Publication Year: 2003, Page(s):1564 - 1568
    Cited by:  Papers (11)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (435 KB) | HTML iconHTML

    In this brief, a peak-current-mode control based on the closed-form loop compensator design is proposed to integrate with a current-sharing circuit to automatically and smoothly adjust the trim signal in conventional dc/dc power supplies. As a result, for single-wire autonomous current sharing of paralleled dc power supplies, not only the minor alarm of the current limit can be avoided, but also t... View full abstract»

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  • Analog realization of arbitrary one-dimensional maps

    Publication Year: 2003, Page(s):1538 - 1547
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (634 KB) | HTML iconHTML

    An increasing number of applications of a one-dimensional (1-D) map as an information processing element are found in the literature on artificial neural networks, image processing systems, and secure communication systems. In search of an efficient hardware implementation of a 1-D map, we discovered that the bifurcating neuron (BN), which was introduced elsewhere as a mathematical model of a biol... View full abstract»

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  • Edge Theorem for MIMO systems

    Publication Year: 2003, Page(s):1577 - 1580
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (271 KB) | HTML iconHTML

    This brief studies robustness of multiple-input multiple output (MIMO) systems with parametric uncertainties, and establishes an MIMO version of the Edge Theorem. An illustrative example is presented. View full abstract»

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  • An improvement of the design method of cellular neural networks based on generalized eigenvalue minimization

    Publication Year: 2003, Page(s):1569 - 1574
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (381 KB) | HTML iconHTML

    Realization of associative memories by cellular neural networks (CNNs) with binary output is studied. Concerning this problem, a CNN design method based upon generalized eigenvalue minimization (GEVM) has recently been proposed. In this brief, a new CNN design method which is based on the GEVM-based method will be presented. We first give some analytical results related to the basin of attraction ... View full abstract»

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  • On companion systems with state saturation nonlinearity

    Publication Year: 2003, Page(s):1580 - 1584
    Cited by:  Papers (24)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB) | HTML iconHTML

    This brief studies the problem of how to check whether a discrete-time companion system with state saturation nonlinearity is free from overflow oscillations or not. The necessary and sufficient condition for the absence of overflow oscillations is established, and the condition is found to be equivalent to the existence of a polyhedral Lyapunov function absorbing state saturation nonlinearity. In... View full abstract»

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  • Analysis of oscillations in quasi-conservative strongly nonlinear oscillator systems

    Publication Year: 2003, Page(s):1585 - 1588
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (489 KB) | HTML iconHTML

    The oscillations in a perturbed Duffing oscillator have been analyzed. The oscillations are regarded as limit cycles in a perturbed Hamiltonian system under polynomial perturbation of the sixth degree and analyzed by using the Melnikov function. It has been proved that there exists a polynomial perturbation depending on the zeros of the Melnikov function so that the system considered can have eith... View full abstract»

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