Digital Modulation - ASK | FSK | PSK

Amplitude Shift Keying (ASK) encodes information by varying the amplitude of a carrier wave. In digital communication, ASK represents binary data using different amplitude levels. It is simple to implement but highly susceptible to noise, making it less reliable for long-distance transmissions.

Frequency Shift Keying (FSK) encodes information by varying the frequency of the carrier wave. FSK is commonly used in modem communications, RFID systems, and low-speed data transmissions. It offers better noise immunity than ASK and is widely used in wireless applications.

Phase Shift Keying (PSK) encodes information by changing the phase of the carrier wave. PSK is widely used in digital communication systems, including Wi-Fi, Bluetooth, and satellite communications. It provides strong noise resistance and efficient data transmission, especially in high-speed networks.