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Transactions of the IRE Professional Group on Circuit Theory

Popular Documents (October 2016)

Includes the top 50 most frequently accessed documents for this publication according to the usage statistics for the month of

  • Power Gain in Feedback Amplifier

    Publication Year: 1954, Page(s):20 - 25
    Cited by:  Papers (121)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (519 KB)

    A linear three-terminal device Z is imbedded in a lossless passive network N and the properties of the complete system, as measured at two specified terminal pairs, are described by the open-circuit impedances Z_{11}, Z_{12}, Z_{21}, and Z_22 . A search for properties of View full abstract»

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  • Communication Theory and Cybernetics

    Publication Year: 1954, Page(s):19 - 31
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1649 KB)

    In the case of band-limited signals, the sampling theorem permits us to replace analytic operations with algebraic operations. We are then able to discuss problems of measurement of information, coding, and transmission over noisy channels in terms of discrete samples, rather than continuous time functions. The design of the optimum linear filter reduces from a very difficult analysis problem invo... View full abstract»

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  • Transient synthesis in the time domain

    Publication Year: 1954, Page(s):29 - 39
    Cited by:  Papers (148)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (881 KB)

    One of numerous available methods is described for synthesizing a network to have a specified transient response, with emphasis placed on the actual procedure of solution. This method, which is based upon the use of orthogonal exponential functions, is carried out prin- cipally by time-domain rather than the more common frequency- domain operations. It enjoys a broader applicability than most othe... View full abstract»

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  • The Measurement and Representation of Nonlinear Systems

    Publication Year: 1954, Page(s):32 - 34
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (301 KB)

    Measurements of the response of a nonlinear system to one or more inputs can be used to obtain an approximate mathematical statement of the way in which the response depends upon the input. Such a statement can be used to predict the response of the system to inputs other than those used in the measurements. A general approach is presented in which the response is approximated by a linear combinat... View full abstract»

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  • Foster's Reactance Theorem

    Publication Year: 1953, Page(s): 106
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (82 KB)

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  • On the Bott-Duffin Synthesis of Driving-Point Impedances

    Publication Year: 1954, Page(s): 68
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (132 KB)

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  • Steady-State Oscillations in Nonlinear Multi-Loop Circuits

    Publication Year: 1954, Page(s):13 - 18
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (606 KB)

    This paper treats the analysis of nonlinear systems having more than a single degree of freedom. The method used is the Ritz or Ritz- Galerkin, which has been extensively applied to statical problems in elasticity and to eigenvalue problems of various types. Until very re- cently, however, it has rarely been applied to dynamical problems other than eigenvalue ones. As shown by some specific exampl... View full abstract»

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  • What is Network Synthesis?

    Publication Year: 1952, Page(s):4 - 19
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1196 KB)

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  • A Method to Solve Very Large Physical Systems in Easy Stages

    Publication Year: 1953, Page(s):71 - 90
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1519 KB)

    Physical systems with very large number of variables (say with tens of thousands of variables) may be solved with already available digital computers by tearing the system apart into a large number of small subdivisions, solving each subdivision separately, afterward interconnecting the partial solutions by a set of transformations to obtain outright the exact solution of the original system, Amon... View full abstract»

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  • The Approximation Problem of Network Synthesis

    Publication Year: 1954, Page(s):5 - 20
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2312 KB)

    The approximation problem of network synthesis is surveyed with extensive reference to the recent literature, encompassing both the frequency and the time domains. The topics reviewed include the concept of complex frequency, approximation by point-coincident polynomials, and the Fourier series method. Butterworth functions for maximally flat approximation and Tchebycheff polynomials for equal-rip... View full abstract»

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  • A Note on Filter Synthesis

    Publication Year: 1954, Page(s):61 - 64
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (390 KB)

    An equal-ripple type of approximation to constant attenuation in both stop and pass bands is often desirable in electric filter design. Elliptic functions have been extensively employed in solutions of problems of this sort. Double-entry tables are required and the mathematics is, in general, involved. This paper describes a design method that avoids the use of elliptic functions. A closed-form so... View full abstract»

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