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SESK: Stuff Everyone Should Know · sesk.info/ham-amplifier-gain-meaning

What does gain mean in an amplifier?

Output compared with input.

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  1. Output compared with input ✔
  2. Output voltage only
  3. Output current only

Why: Gain compares an amplifier's output with its input. It may describe voltage gain, current gain, or power gain.

Huh, didn't know that: Gain can be written as a ratio or expressed in decibels.

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Why did the amplifier join a gym? It wanted more gain.
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References

Answer: Output compared with input. Gain compares an amplifier's output with its input. It may describe voltage gain, current gain, or power gain.

  1. NCVEC 2026-2030 Technician Question Pool, T6B11 ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
    What does the term gain mean in amplifiers? A. The output signal voltage relative to the input signal voltage
    Checked 2026-10-09.

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