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Amplitude modulation - Wikipedia, the free encyclopedia (1251 words) |
 | The output of this process is a signal with the same frequency as the carrier but with peaks and troughs that vary in proportion to the strength of the modulating signal. |
| Its output is a signal at the carrier frequency, with peaks that trace the amplitude of the unmodulated signal. |
| In practice, a capacitor is used to undo the DC shift introduced by the transmitter and to eliminate the carrier frequency by connecting the signal peaks. |
| Carrier wave - Wikipedia, the free encyclopedia (230 words) |
| Carrier waves are used when transmitting radio signals to a radio receiver. |
| Frequency modulation (FM) and amplitude modulation (AM) signals are both transmitted with the help of carrier frequencies. |
| The frequency for a given radio station is actually the carrier wave's center frequency. |
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