half-power point

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.
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.
With proper selection of cone angle, this antenna can be made extremely broadbanded -- 200% bandwidth at its half-power points.