Radio Amateur Quiz Canadian License

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Question A-005-004-011

What is meant by ""flat topping"" in a single-sideband phone transmission?

Correct Answer

Signal distortion caused by excessive drive

Explanation

'Flat-topping' in SSB occurs when the RF amplifier stages are overdriven, causing the peaks of the RF envelope to be clipped (flattened). This generates significant intermodulation distortion (splatter).

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