For a binary-weighted 10-bit resistor D/A converter (see Fig. 16.7), assume that is chosen such that the output goes from 0 to . What is the resistor ratio between the largest and smallest resistors?...

For a binary-weighted 10-bit resistor D/A converter (see Fig. 16.7), assume that is chosen such that the output goes from 0 to . What is the resistor ratio between the largest and smallest resistors? What is the ratio between the currents through the switches for and ?