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Pregunta 362

What is the operating point of a Class A common emitter amplifier?

  1. Approximately halfway between saturation and cutoffRespuesta correcta
  2. Approximately halfway between the emitter voltage and the base voltage
  3. At a point where the bias resistor equals the load resistor
  4. At a point where the load line intersects the zero bias current curve

Explicación

Class A requires the device to conduct throughout the whole cycle, so the quiescent point is placed roughly midway between saturation and cutoff on the load line. That leaves equal room for the positive and negative signal excursions before either limit clips the waveform.

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Pregunta 362: What is the operating point of a Class A common emitter… · FCC Amateur Extra Class (Element 4) · Questena