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IEEE Transactions on Circuits and Systems

Issue 2 • Date February 1979

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Displaying Results 1 - 9 of 9
  • Comments on "The Absolute Stability of High-Order Discrete-Time Systems Utilizing the Saturation Nonlinearity"

    Publication Year: 1979, Page(s):138 - 140
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (298 KB)

    It is shown that passivity properties introduced by Mitra for saturation type overflow nonlinearities determine this nonlinear characteristic up to a scaling factor, and that a stability criterion based on these passivity properties can be derived in a different way. It is indicated that this alternative derivation allows a generalization of the criterion to systems with more than one saturation n... View full abstract»

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  • Notes on n-Dimensional System Theory

    Publication Year: 1979, Page(s):105 - 111
    Cited by:  Papers (60)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    This paper makes three observations with regard to several issues of a fundamental nature that apparently must arise in any general theory of linear n-dimensional systems. It is shown, by means of three specific interrelated counterexamples, that certain decomposition techniques which have proven to be basic for n = 1 and ...
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  • Solvability of bond graph junction structures with loops

    Publication Year: 1979, Page(s):130 - 137
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (904 KB)

    The purpose of this paper is to present a simple computational rule for determining the solvability of the linear junction structure equations of multiport systems. This rule is derived from the bond graph for the system. Three types of junction structures are considered; namely, simple, weighted, and general. Weighted junction structures include transformers and general junction structures includ... View full abstract»

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  • Charge-routing networks

    Publication Year: 1979, Page(s):81 - 92
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1520 KB)

    The fundamental techniques for charge manipulation achievable with MOS charge-coupling technology include storage, transfer, splitting, combining, insertion, and extraction. We idealize and generalize these operations to define a general class of networks for discrete-time linear filtering. A p-phase charge-routing network (CRN) consists of a collection of storage cells divided into p subgroups an... View full abstract»

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  • Active compensation of opamps

    Publication Year: 1979, Page(s):112 - 117
    Cited by:  Papers (20)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    A novel active compensation method for the finite gain bandwidth of operational amplifiers, when used in voltage-controlled voltage source structures, is given. In this method, a universal active compensation scheme is proposed which can be used with operational amplifier voltage-controlled voltage sources, when looked upon as a general threeport active building block. It is shown that phase shift... View full abstract»

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  • An RC-active all-pass section with reduced magnitude response error

    Publication Year: 1979, Page(s):144 - 148
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    The problem of magnitude response deviations in RC active all-pass networks due to limited amplifier gains is discussed. Conditions for reduced errors are established and an RC active network satisfying the prescribed conditions is presented. Comparative experimental evidence is also presented which confirms the relative independence of the proposed network' s magnitude response on the amplifier g... View full abstract»

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  • Analytical and experimental evaluation of a switched-capacitor filter and remarks on the resistor/switched-capacitor correspondence

    Publication Year: 1979, Page(s):140 - 144
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB)

    A simple high-pass filter consisting of two capacitors and a switch is analyzed in detail, and is used as a vehicle to show the type of considerations involved in switched-capacitor circuits. Theoretical results are compared to experimental. The validity of approximating switched capacitors by resistors is examined for the above circuit. View full abstract»

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  • Nodal analysis of switched-capacitor networks

    Publication Year: 1979, Page(s):93 - 105
    Cited by:  Papers (37)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1240 KB)

    Switched-capacitor (SC) networks comprise capacitors interconnected by an array of periodically operated switches. Such networks are particularly attractive in light of the high circuit density possible with MOS integrated circuit technology and hybrid integrated circuits using thin-film and silicon technology. The paper describes the analysis of SC networks by using nodal charge equations. It is ... View full abstract»

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  • Sequence discriminators and their use in frequency division multiplex-communication systems

    Publication Year: 1979, Page(s):117 - 129
    Cited by:  Papers (5)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1288 KB)

    A simple theory of networks exhibiting sequence discrimination and their use for producing quadrature signals is first presented. A channel unit employing sequence discriminators (SD's), namely, passive (RC), passive with feedback, and active designs are discussed. A channel unit employing SD's and the associated modulation and demodulation schemes are suggested. Statistical sensitivity results an... View full abstract»

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