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Definition of "Quality Factor" |
[Q]. In a reactive circuit, the ratio of the reactance in ohms divided by the resistance in ohms. The ratio of capacitive reactance to resistance. Q = XL/R = XC/R. / The quality factor of a resonant circuit is the ratio of its resonant frequency to its bandwidth. The higher the quality factor, the lower the losses in the circuit and higher the resonant peak. / In physics and engineering the quality factor or Q factor is a dimensionless parameter that describes how under-damped an oscillator or resonator is, or equivalently, characterizes a resonator's bandwidth relative to its center frequency. Higher Q indicates a lower rate of energy loss relative to the stored energy of the resonator; the oscillations die out more slowly. / A public data network is a network established and operated by a telecommunication administration, or a recognized private operating agency, for the specific purpose of providing data transmission services for the public. |
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