MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The relation between an intercept points referenced at the input versus the output is given by the relation: |
| A. | OIP3=G (IIP3) |
| B. | (IIP3) = G (OIP3) |
| C. | OIP3=G (IIP3)2 |
| D. | None of the mentioned |
| Answer» B. (IIP3) = G (OIP3) | |
| 2. |
Third-order intercept point is defined as the point at which the gain of a non linear device is 3 dB less than the maximum gain. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
When the input frequency consists of more than one closely spaced frequency, it results in: |
| A. | Intermodal distortion |
| B. | Gain compression |
| C. | Signal fading |
| D. | Signal attenuation |
| Answer» B. Gain compression | |
| 4. |
THIRD-ORDER_INTERCEPT_POINT_IS_DEFINED_AS_THE_POINT_AT_WHICH_THE_GAIN_OF_A_NON_LINEAR_DEVICE_IS_3_DB_LESS_THAN_THE_MAXIMUM_GAIN.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The relation between an intercept points referenced at the input versus the output is given by the relation:$ |
| A. | OIP3=G (IIP3) |
| B. | (IIP3) = G (OIP3) |
| C. | OIP3=G (IIP3)2 |
| D. | None of the mentioned |
| Answer» B. (IIP3) = G (OIP3) | |
| 6. |
When the input frequency consists of more than one closely spaced frequency, it results in? |
| A. | Intermodal distortion |
| B. | Gain compression |
| C. | Signal fading |
| D. | Signal attenuation |
| Answer» B. Gain compression | |
| 7. |
In a non-linear device, for a single input frequency the output will consist of: |
| A. | Single frequency component |
| B. | Harmonics of the input frequency |
| C. | Constant gain |
| D. | None of the mentioned |
| Answer» C. Constant gain | |
| 8. |
1 dB compression point is defined as the power level for which the output power of the non-linear device is 1 dB |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The fall in gain of a device due to non-linearities is called: |
| A. | Gain compression |
| B. | Gain saturation |
| C. | Impedance mismatch |
| D. | None of the mentioned |
| Answer» B. Gain saturation | |
| 10. |
As the degree of non-linearity of a transistor or a diode increases, the power gain of the device: |
| A. | Increases |
| B. | Decreases |
| C. | Remains a constant |
| D. | None of the mentioned |
| Answer» C. Remains a constant | |
| 11. |
The output response of a non-linear circuit is given by the expression: |
| A. | V<sub>0</sub>=a<sub>0</sub>+a<sub>1</sub>V<sub>i1</sub>+a<sub>2</sub>V<sub>i2</sub>+a<sub>3</sub>V<sub>i3</sub>… |
| B. | <sub>0</sub>=a<sub>0</sub>+a<sub>1</sub>V<sub>i1</sub> |
| C. | V<sub>0</sub>=a<sub>2</sub>V<sub>i2</sub>+a<sub>3</sub>V<sub>i3</sub> |
| D. | V<sub>0</sub>=a<sub>0</sub> |
| Answer» B. <sub>0</sub>=a<sub>0</sub>+a<sub>1</sub>V<sub>i1</sub> | |
| 12. |
The ________property of devices like diodes and transistors is responsible for their usage in amplifiers and frequency convertors. |
| A. | Symmetry |
| B. | Non linearity |
| C. | Linearity |
| D. | None of the mentioned |
| Answer» C. Linearity | |
| 13. |
Active devices like diodes and transistors become non-linear at high power levels due to: |
| A. | Instability of transistor |
| B. | Thermal noise |
| C. | Gain compression |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |