Amateur Extra Class: 2020–2024
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E7G05:

How can unwanted ringing and audio instability be prevented in an op-amp RC audio filter circuit?

  1. Restrict both gain and Q
  2. Restrict gain but increase Q
  3. Restrict Q but increase gain
  4. Increase both gain and Q
E7G01 E7G02 E7G03 E7G04 E7G05 E7G06 E7G07 E7G08 E7G09 E7G10 E7G11 E7G12