MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The basic step of a 8-bit DAC is 12.4mv.If the binary input 00000000 represents 0v. Determine the output, if the input is 101101111? |
| A. | 1.36v |
| B. | 2.27v |
| C. | 5.45v |
| D. | None of the mentioned |
| Answer» C. 5.45v | |
| 2. |
A 10-bit D/A converter have an output range from 0-9v. Calculate the output voltage produced when the input binary number is 1110001010. |
| A. | 7.96v |
| B. | -7.96v |
| C. | 7.96v |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
Multiplying digital to analog converters are used in |
| A. | All of the mentioned |
| B. | Digitally programmable filter |
| C. | Digitally programmable oscillator |
| D. | Digitally controlled audio attenuator |
| Answer» E. | |
| 4. |
A multiplying DAC is given a reference voltage VR = Vom cos2 ft. Determine the output voltage? |
| A. | V<sub>o</sub>(t) = V<sub>om</sub> sin(2 ft+180<sup>o</sup>) |
| B. | V<sub>o</sub>(t) = V<sub>om</sub> cos(2 ft+180<sup>o</sup>) |
| C. | V<sub>o</sub>(t) = V<sub>om</sub> tan(2 ft+180<sup>o</sup>) |
| D. | V<sub>o</sub>(t) = V<sub>om</sub> sec(2 ft+180<sup>o</sup>) |
| Answer» C. V<sub>o</sub>(t) = V<sub>om</sub> tan(2 ft+180<sup>o</sup>) | |
| 5. |
Calculate the value of LSB and MSB of a 12-bit DAC for 10v? |
| A. | LSB =7.8mv, MSB =5v |
| B. | LSB =9.3mv, MSB =5v |
| C. | LSB =14.3mv, MSB =5v |
| D. | LSB =2.4mv, MSB =5v |
| Answer» E. | |
| 6. |
Multiplying DAC uses |
| A. | Varying reference voltage |
| B. | Varying input voltage |
| C. | Constant reference voltage |
| D. | Constant input voltage |
| Answer» B. Varying input voltage | |
| 7. |
Which of among the following circuit is considered to be linear? |
| A. | Weighted Resistor type DAC |
| B. | R-2R ladder type DAC |
| C. | Inverter R-2R ladder DAC |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 8. |
The inverted R-2R ladder can also be operated in |
| A. | Inverted mode |
| B. | Current Mode |
| C. | Voltage mode |
| D. | Non inverted mode |
| Answer» C. Voltage mode | |
| 9. |
Which type of switches are not preferable for a simple weighted resistor DAC? |
| A. | Bipolar Transistor |
| B. | Voltage switches |
| C. | MOSFET |
| D. | All of the mentioned |
| Answer» B. Voltage switches | |