MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Expression for over all noise figure of a mismatched amplifier is: |
| A. | 1+ (F-1)/ (1 -│Г│2) |
| B. | 1 |
| C. | 1+ (F-1) |
| D. | (F-1)/ (1 -│Г│2) |
| Answer» B. 1 | |
| 2. |
Noise equivalent temperature of Wilkinson coupler having a gain of 1/2L is given as: |
| A. | T (2L-1) |
| B. | T (2L+1) |
| C. | T (2L*1) |
| D. | T / (2L-1) |
| Answer» B. T (2L+1) | |
| 3. |
For a Wilkinson power divider of insertion loss L and the coupler is matched to the external circuitry, and then the gain of the coupler in terms of insertion loss is: |
| A. | 2L |
| B. | 1/2L |
| C. | L |
| D. | 1/L |
| Answer» C. L | |
| 4. |
Noise equivalent temperature of a 2 stage cascade network is given by: |
| A. | Te1 + Te2/ G1 |
| B. | Te1 + Te1 |
| C. | Te1 / Te1 |
| D. | None of the mentioned |
| Answer» B. Te1 + Te1 | |
| 5. |
Noise figure can be defined for any microwave network irrespective of any other constraints. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The equivalent noise temperature of a network given the noise figure of the network or system is: |
| A. | T0(F-1) |
| B. | T0(F+1) |
| C. | T0(F) |
| D. | T0/F |
| Answer» B. T0(F+1) | |