Radio Amateur Quiz Canadian License

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Question A-006-003-005

How is receiver sensitivity often expressed for UHF FM receivers?

Correct Answer

RF level for 12 dB SINAD

Explanation

For FM receivers, sensitivity is often quoted as the input RF signal level (in µV or dBm) required to produce a 12 dB SINAD (Signal, Noise, And Distortion to Noise And Distortion) ratio at the audio output. This is a measure of usable sensitivity.

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