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IRE Transactions on Audio

Issue 4 • Date July-August 1960

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Displaying Results 1 - 10 of 10
  • [Front cover and tabel of contents]

    Publication Year: 1960, Page(s): 0
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  • A message from the chairman

    Publication Year: 1960, Page(s): 107
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  • The editor's corner: definitions

    Publication Year: 1960, Page(s): 108
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  • The new WLW AGC amplifier

    Publication Year: 1960, Page(s):109 - 114
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    Since the inception of radio broadcasting, the control of audio level has been a constant problem. This paper discusses some of the shortcomings of presently-used circuitry in limiting and automatic gain control amplifiers and describes a new approach to the problem of level control, which provides both slow gain increase and decrease along with fast limiting action while maintaining wide frequenc... View full abstract»

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  • The distortion resulting from the use of center-tapped transformers in a class B power amplifier

    Publication Year: 1960, Page(s):114 - 119
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    The transformer-coupled Class B amplifier is investigated with regard to harmonic distortion caused indirectly by the self-resonance of the transformer primary. For undistorted Class B operation, the short-circuited flow of even harmonic unbalanced mode currents is essential. When these harmonics are at a frequency at which the transformer primary is close to self-resonance, the flow is impeded an... View full abstract»

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  • A speaker system with Bass back-loading of unusual parameter values

    Publication Year: 1960, Page(s):120 - 123
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (475 KB)

    Work with corner horn speakers has led to a philosophy that there is a narrow range of optimum size limited by performance on the one hand and cohesion of bass and treble events on the other. In the design of a new speaker system of size smaller than these limits, the horn principle was abandoned for the bass section but continued to be used for the midrange-tweeter functions in the interest of lo... View full abstract»

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  • A plotter of intermodulation distortion

    Publication Year: 1960, Page(s):124 - 131
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1037 KB)

    For use mainly in audio systems, the instrument plots on a CRT screen or chart recorder the amplitude of the difference-frequency tone vs the lower excitation frequency in CCIF intermodulation distortion measurements. The unit furnishes two swept equal-amplitude tones with a selected audio difference frequency to excite the tested system. Readout is on a modified audio-frequency spectrum analyzer ... View full abstract»

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  • Calculation of the gain-frequency characteritics of an audio amplifier using a digital computer

    Publication Year: 1960, Page(s):132 - 136
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (462 KB)

    Electronic circuit designs are most commonly made by "analog" (or "breadboard") methods. This is particularly true in arriving at the desired gain-frequency response characteristics. The mathematical approach to circuit analysis has suffered from the distinct disadvantage of involving the solution of large systems of simultaneous equations with complex, frequency-dependent coefficients often requi... View full abstract»

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  • Photo-sensitive resistor in an overload-preventing arrangement

    Publication Year: 1960, Page(s):137 - 139
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (338 KB)

    The signal from a pre-amplifier or tuner is supplied to the input terminals of the power amplifier by means of a voltage-dividing network, the element in parallel to these input terminals being a photo-sensitive resistor of new design. Facing this photo-resistor in a lightproof enclosure is a neon lamp connected to the output voltage of the amplifier. Because a neon lamp ignites at a fixed voltage... View full abstract»

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  • [Back cover]

    Publication Year: 1960, Page(s): c4
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Aims & Scope

This Transactions ceased production in 1962. The current retitled publication is IEEE Transactions on Signal Processing.

Full Aims & Scope