Scheduled Maintenance on March 25th, 2017:
Single article purchases and IEEE account management will be unavailable from 4:00 AM until 6:30 PM (ET). We apologize for the inconvenience.
By Topic

IEEE Transactions on Circuits and Systems

Issue 5 • May 1982

Filter Results

Displaying Results 1 - 13 of 13
  • Comment on "Least squares low-pass filters with nonmonotonic response

    Publication Year: 1982, Page(s):340 - 342
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (262 KB)

    In the above footnote[1]{paper} a class of all-pole low-pass filters has been derived using the least mean squares approximation technique and three subclasses have been obtained by imposing different constraints on the coefficients of the characteristic function. It is shown that these functions have previously been derived in explicit form by minimizing the ratio of the reflected power to the tr... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Comment on "A note on the partial fraction expansion

    Publication Year: 1982, Page(s): 340
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (105 KB)

    It is shown that there is a possibility, at least in some cases, for the decomposition given in [1] to exist for N > 1 , as it is when N = 1 , where N is the degree of the 2-D polynomials A(z_{1}, z_{2}),B(z_{1}, z_{2}) and View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Two-dimensional Walsh transforming device using an integrated optical circuit

    Publication Year: 1982, Page(s):336 - 339
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    Various kinds of Walsh transforming devices have been proposed or produced. One is based on the fast Walsh transform algorithm. The device, however, requires many wiring lines and adder circuits that add to its size. In this paper, we will show how to replace both the wiring line and adder circuit with one crossing point of two optical fibers, and how to fabricate the Walsh transforming device int... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A new family of active variable equalizers

    Publication Year: 1982, Page(s):316 - 322
    Cited by:  Papers (10)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (696 KB)

    An active version of the Bode-type variable equalizer has been designed. Variable equalizers are widely used for amplitude equalization in wide-band transmission systems because they possess the unique property that the equalization shape does not change as the amount of equalization is varied. Such a property is especially desirable when equalizing cable of varying length. The active variable equ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Electronically tunable active filters with operational transconductance amplifiers

    Publication Year: 1982, Page(s):333 - 336
    Cited by:  Papers (26)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    The design of voltage- or current-controlled active filters with operational transconductance amplifiers (OTA's) is much less expensive than with analog multipliers. This paper presents some experimental results on known circuits and a new configuration which allows the electronic control of the absolute bandwidth of a biquad circuit. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Network invariant sensitivity sums

    Publication Year: 1982, Page(s):299 - 306
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB)

    New theorems on network sensitivities are derived for a general lumped time-invariant (LTI) network containing passive and active elements. The sums of the numerator and denominator sensitivities of network functions are given. The sums of numerator and denominator coefficient sensitivities are also developed. These studies are extended to include pole and zero, and View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Switched-resistor filters-A continuous time approach to monolithic MOS filter design

    Publication Year: 1982, Page(s):306 - 315
    Cited by:  Papers (16)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1096 KB)

    A method of designing continuous-time active RC filters which employ only capacitors and FET transistors is presented. The effective RC time constants of these filters are determined by capacitor ratios. The filters employ switched resistors. These filters can use any existing active RC View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A note on LC - R ladder synthesis of filters

    Publication Year: 1982, Page(s):331 - 333
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

    Conditions are derived which are sufficient for the realization of a filter characteristic function by means of a transformerless, inductance, capacitance ladder network terminated in resistance. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Justification of the Characteristic-Impedance Method for Lumped Periodic Cascades

    Publication Year: 1982, Page(s):323 - 327
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    A semi-infinite cascade of identical lumped two-ports has in general an infinity of solutions, each solution being a set of branch currents and voltages that satisfy Kirchhoff's laws and Ohm's law. The characteristic-impedance method picks out one of those solutions. The question is "which one?" This has been a long-standing lacuna in the arguments justifying that method. Our paper is aimed at thi... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Analog Fault Diagnosis with Failure Bounds

    Publication Year: 1982, Page(s):277 - 284
    Cited by:  Papers (38)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (992 KB)

    A simulation-after-test algorithm for the analog fault diagnosis problem is proposed in which a bound on the maximum number of simultaneous failures is used to minimize the number of test points required. The resultant algorithm is applicable to both linear and nonlinear systems with multiple hard or soft faults and can be used to isolate failures up to an arbitrarily specified "replaceable chip o... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A cut-map algorithm for design problems with parameter tolerances and tuning

    Publication Year: 1982, Page(s):288 - 298
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1192 KB)

    Suppose that, owing to manufacturing error, the actual values of a set of parameters differ from the chosen nominal values; specifically the actual parameter vector may be anywhere in a tolerance region whose center is the nominal parameter vector. The problem considered in this paper is the determination of a set of nominal parameters so that, for every possible set of actual parameters in the to... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A fast procedure to design equiripple minimum-phase FIR filters

    Publication Year: 1982, Page(s):327 - 331
    Cited by:  Papers (47)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    A fast procedure is given to design equiripple minimum-phase FIR filters following the technique proposed by Herrmann and Schuessler [1]: Use is made of cepstral deconvolution, carried out through FFT, to avoid the polynomial root-finding problem inherent in the method. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Sufficient conditions for controllability

    Publication Year: 1982, Page(s):285 - 288
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    The problem is to find sufficient conditions for the system \dot{x}(t)= f(x((t))+ \sum _{i = 1}^{m} u_{i}(t)g_{i}(x(t)), x(0)=x_{0} \in M to be controllable. Here M is a connected {cal C}^{\infty } n -dimensional manifold, View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.