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Definition of "switching amplifier" |
a type of amplifier that utilizes switching between the cutoff and saturated states to minimize the time in the lossy transition states, thus achieving high efficiencies. All class D, E, and S amplifiers fit into this general group. Parameters such as device characteristics, quiescent bias point, RF load line, significant harmonic and/or mixing frequencies, and amplitude and waveform of the applied signal(s) should be included with the class definition, thus defining the major contributors to the physical actions taking place in one of these amplifiers. |
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