Transmitters

What is the distinguishing feature of a Class A amplifier?

Answer

Output for the entire 360 degrees of the signal cycle.

The hallmark of a Class A amplifier is output for the full 360 degrees of the signal cycle.

Source: FCC Element 3 question pool, 3G

Not the answer

Output for exactly 180 degrees of the input signal cycle.
Output for more than 180 degrees and less than 360 degrees of the signal cycle.
Output for less than 180 degrees of the signal cycle.

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The FCC Element 3 (General Radiotelephone) exam is 100 questions and takes 75 correct — 75% — to pass. Element 1, the other half of the licence, is 24 questions and takes 18 correct. The app’s page carries a free ten-question test drawn from the same bank, marked as you go.

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