a digital signal requires an amplifier, which introduces noise into signal No, an analog signal is generated by sensors such as a microphone and has a shape that resembles what is transmitted so much...
i think analog signal is that signal where your signal strength changes everytime and in digital signal your signal strength is stedy. Analog signal has a varying numerical value while digital has...
Just go buy a converter box at an retail shop that sells TV's or computers. They are actually labeled "Analog to Digital Signal Converter". Easy as pie.
The devices are known very simply as analog to digital converters and digital to analog converters. They are frequently shorted to A-D and D-A converters. A complete analog to digital converter will...