crossover distortion


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crossover distortion

[′krȯs‚ō·vər dis′tȯr·shən]
(electronics)
Amplitude distortion in a class B transistor power amplifier which occurs at low values of current, when input impedance becomes appreciable compared with driver impedance.
References in periodicals archive ?
The fast switching capability and zero reverse-recovery charge result in higher output linearity and low crossover distortion for lower THD.
The device is designed for single-supply operation, with rail-to-rail input (no common mode crossover distortion) and output performance.
Class B eliminates the quiescent bias current of Class A and AB but, as a result, introduces crossover distortion.
Class B is rarely used in practical applications because of the large crossover distortion. Since the device is only on half the time, half the signal is missing.
The integrated, adaptive bias current control circuit of the FAN7031 significantly decreases crossover distortion, even though it consumes low quiescent current.
It uses an integrated adaptive bias current control circuit to minimize crossover distortion. The product's low bias-supply current, combined with low-shutdown current consumption (0.1 [micro]A), saves energy and extends battery life.
After much study, my colleagues and I concluded the boost-type power converter (Figure 2) best suits the implementation of a PFC circuit because of the absence of crossover distortions and the viability of operating the converter in continuous-conduction mode.