Virtual lab

Analog to Digital and Digital to Analog Conversion

1)What is the resolution of a 4-bit ADC if range is 0-10 volt.

0.625

0.652

0.620

0.700

2) The fastest ADC is

Dual type

Flash type

Successive approximation type

Sigma-delta type

3) ASK, PSK, FSK, QAM are examples of .................. conversion.

digital-to-digital

digital-to-analog

analog-to-analog

analog-to-digital

4)AM and FM are example of................ conversion.

digital-to-digital

digital-to-analog

analog-to-analog

analog-to-digital

5) Analog-to-analog conversion is needed if the available bandwidth is .................

low-pass

band-pass

either(a)or(b)

neither(a)or(b)