Shanmugam had always said it: a signal is only as strong as its foundation.
You can "clean up" a digital signal at fixed distances along a transmission line, preventing degradation over long distances. Security & Efficiency: Digital systems allow for easy encryption (secrecy) and compression (fitting more data into less space). Shanmugam had always said it: a signal is
Focuses on Pulse Code Modulation (PCM), Delta Modulation, and digital signaling techniques like ASK, FSK, and PSK. and digital signaling techniques like ASK