Section: Electronics Information

47) Which function does the receiving antenna provide in radio communication?

1. It catches the signal out of the air.
2. It separates the carrier wave from the signal.
3. It mixes the signal and the carrier wave.
4. It broadcasts the signal over the air.

The broadcast antenna is used to broadcast the signal over the air. The mixer combines the signal and carrier wave. The de-mixer separates the carrier and the signal.