half-power frequency

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half-power frequency [′haf ¦pau̇·ər ′frē·kwən·sē]

(electronics)

One of the two values of frequency, on the sides of an amplifier response curve, at which the voltage is 1/√2 (70.7%) of a midband or other reference value. Also known as half-power point.

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half-power point

lower half-power frequency

upper half-power frequency

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