Three of the most common digital modulation schemes you’ll see in specifications are Frequency Shift Keying (FSK), Amplitude Shift Keying (ASK ... output by the OOK signal In Frequency Shift ...

but understanding the electronics behind modulation and demodulation of an FM signal can be confusing. We’ve covered the basics before, but FM is so tightly associated with broadcast radio ...

Varying the voltage of a carrier or a direct current in order to transmit analog or digital data. Amplitude modulation (AM ... by the analog audio signal.