Reduction of the Conversion Time of the Non-Uniform Differential Tracking A/D Converter

The adaptive property of the differential tracking method that every previous approximation step to signal becomes the center of observation with the exponential increasing resolution in the new step gives a possibility of reduction the time of conversion in two ways: shorting the time of a single step and also of the whole conversion. The best trade between the number of decision levels and the settling time is with pure exponential quantization rule.