The analog to digital converter has a staircase waveform. But the error waveform of this staircase signal is a sawtooth waveform. Why does this happen?
I have come to know that, the sawtooth signal is the difference between the quantized output signal (solid) and the analog input signal (dashed). But when I look at the graph, it seems to be like a triangular waveform. How does this turn out to be a sawtooth waveform?
Just for the note, I have found out the RMS value of this error signal which is a triangular waveform.
Thanks in advance.