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half-power point

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half-power point

[′haf ¦pau̇·ər ‚pȯint]
(electronics)
A point on the graph of some quantity in an antenna, network, or control system, versus frequency, distance, or some other variable at which the power is half that of a nearby point at which power is a maximum.
half-power frequency
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Using the industry-standard 1/6th octave log resolution, overlap crossovers are at the half-power points of adjacent oscillators at 5% damping.
Inappropriate SRS specifications: SRS is a powerful tool when used for its intended purpose. Find out what one industry expert recommends to avoid inaccurate results. (Vibration Test)
With proper selection of cone angle, this antenna can be made extremely broadbanded -- 200% bandwidth at its half-power points. Variations of this antenna include the bow-tie, in which the cones are collapsed into two-dimensional triangular dipoles; the stacked biconical with opposing pairs of bow-ties; and the phantom biconical, in which each cone is sparsely represented by four radial wires.
From a whisper to a shout
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