Amateur Extra Class: 2020–2024
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E7E05:

What circuit is added to an FM transmitter to boost the higher audio frequencies?

  1. A de-emphasis network
  2. A heterodyne suppressor
  3. A heterodyne enhancer
  4. A pre-emphasis network
E7E01 E7E02 E7E03 E7E04 E7E05 E7E06 E7E07 E7E08 E7E09 E7E10 E7E11