Signal buffers, repeaters, and splitters are active electronic components used to amplify, regenerate, and distribute digital signals in electronic systems. Buffers and repeaters amplify weak signals and compensate for signal loss caused by long transmission lines or multiple connections. Splitters divide a single input signal into multiple output signals to drive multiple loads or devices simultaneously. These interface components ensure signal integrity, minimize noise and distortion, and enhance signal distribution and routing capabilities in high-speed digital communication networks, data buses, and signal processing systems.