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IEEE 376-1975 [ Withdrawn ]

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IEEE 376-1975 [ Withdrawn ] IEEE Standard for the Measurement of Impulse Strength and Impulse Bandwidth

standard by IEEE, 11/07/1975

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Scope

The importance of the impulse as a concept in engineering work has come about not only because of the extensive use of pulses in many types of communication systems, but also because many sources of interference or radio noise are impulsive in nature. By an impulsive source one generally means a source of electromagnetic energy which can be represented by a series of discrete disturbances of low duty cycle. Usually, it will have a relatively broad frequency spectrum. The importance of the impulse is related to the fact that where the duration of the pulse generated by a given source is sufficiently short1 in comparison with the reciprocal of the center or tuned frequency of a narrow-band network responding to it, the waveform at the output of the network is of a very definite shape practically independent of the input waveform, and has a peak value proportional to its impulse strength. Because of these relations, an impulse generator is useful for calibrating the network response, and the networks themselves may be characterized in terms of their equivalent impulse bandwidth. Because the impulse has a broad spectrum, a quantitative measure of the spectrum amplitude is also a useful quantity.

Abstract

New IEEE Standard - Inactive-Withdrawn.The use of the impulse generator for calibration purposes in electromagnetic compatibility measurements is addressed. In particular, basic information relating to the use of this device is provided, and interpretation of measurements made using instruments based on it is considered. Two methods of measurement of spectrum amplitude and impulse bandwidth are described in detail. The first method uses a video pulse technique. The second uses a substitution method in which the reference is a pulse- modulated sine-wave generator whose parameters are measured. Both techniques are capable of about equal accuracy.

Product Details

Published: 11/07/1975 ISBN(s): 0738117164, 9780738139548 Number of Pages: 16File Size: 1 file , 160 KB Product Code(s): STDWD03764