MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
If the branch-line impedance of a coupler designed to operate at 1 GHz is 70.70 Ω, then the characteristic impedance of the material of the arms of the branch-line coupler is: |
| A. | 70.7 Ω |
| B. | 50 Ω |
| C. | 100 Ω |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
S12 and S13 curves for branch-line couplers are almost a straight line parallel to X –axis. Both the curves are similar and follow same path. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
A 50 Ω branch-line Quadrature hybrid has to be designed to operate over a range of frequencies. The branch-line impedance of this coupler so designed is: |
| A. | 70.7 Ω |
| B. | 35.4 Ω |
| C. | 50 Ω |
| D. | 100 Ω |
| Answer» C. 50 Ω | |
| 4. |
The S matrix of a Quadrature hybrid is of size 4×4 and the diagonal elements of a matched coupler are all: |
| A. | 1 |
| B. | 0 |
| C. | Cannot be determined |
| D. | None of the mentioned |
| Answer» C. Cannot be determined | |