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Pregunta 405

What is the effect of modulation duty cycle on RF exposure?

  1. A lower duty cycle permits greater power levels to be transmittedRespuesta correcta
  2. A higher duty cycle permits greater power levels to be transmitted
  3. Low duty cycle transmitters are exempt from RF exposure evaluation requirements
  4. High duty cycle transmitters are exempt from RF exposure requirements

Explicación

Because the limits apply to time-averaged exposure, a mode that transmits only part of the time contributes proportionally less to the average. A lower duty cycle therefore allows a higher peak power for the same time-averaged exposure figure.

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Pregunta 405: What is the effect of modulation duty cycle on RF exposure? · FCC General Class (Element 3) · Questena