Ananda Mysore SJSU

ME120 HW1

1. Convert the decimal number 149 to simple binary.

2. Convert the numbers +121 and -121 to 2’s-complement 8-

bit binary numbers.

3. A 16 bit A/D converter has an input range of 0 to 5 V.

Estimate the quantization error (as a percentage of reading)

for an input of 2.72V.

4. A 12 bit A/D converter has an input range of ±10V. Estimate

the quantization error (as a percentage of reading) for an

input of 1.36V.

5. Imagine that you want to purchase a digital data acquisition

system. List the questions that you want to discuss with an

application engineer working for a supplier.