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AhaBulb: Stuff Everyone Should Know · ahabulb.com/hame-mixer-output-products

What are the principal frequencies at the output of a mixer?

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  1. The two inputs plus their sum and difference
  2. Two and four times the input frequency
  3. The square root of the product of the inputs

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References

  1. NCVEC 2024-2028 Amateur Extra Question Pool, E7E08 (4th errata, Feb. 4, 2026) www.ncvec.org/downloads/2024-2028%20Extra%20Class%20Question%20Pool%20and%20Syllabus%20Public%20Release%20with%204th%20Errata%20Feb%204%202026.pdf Checked 2026-10-11.
  2. NCVEC 2024-2028 Amateur Extra Question Pool, E7E09 (4th errata, Feb. 4, 2026) www.ncvec.org/downloads/2024-2028%20Extra%20Class%20Question%20Pool%20and%20Syllabus%20Public%20Release%20with%204th%20Errata%20Feb%204%202026.pdf Checked 2026-10-11.

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