Amateur Extra Class: 2020–2024
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E8B02:

How does the modulation index of a phase-modulated emission vary with RF carrier frequency?

  1. It increases as the RF carrier frequency increases
  2. It decreases as the RF carrier frequency increases
  3. It varies with the square root of the RF carrier frequency
  4. It does not depend on the RF carrier frequency
E8B01 E8B02 E8B03 E8B04 E8B05 E8B06 E8B07 E8B08 E8B09 E8B10 E8B11