MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
In the series configuration of a PIN diode switch, the terminated load impedance was found to be 50 and the diode impedance was 60 . Then the insertion loss of the switch is: |
| A. | 4 dB |
| B. | 2 dB |
| C. | 3.6 dB |
| D. | 4.8 dB |
| Answer» B. 2 dB | |
| 2. |
For a shunt configuration switch, the diode impedance is 40 and the terminated line characteristic impedance is 50 . Then the insertion loss of the switch is: |
| A. | 2.2 dB |
| B. | 4.2 dB |
| C. | 8.4 dB |
| D. | 3.6 dB |
| Answer» C. 8.4 dB | |
| 3. |
When PIN diode is used as a switch, the expression for insertion loss of the switch is given by: |
| A. | 10 log (Po/PL) |
| B. | 10 log (PL/P0) |
| C. | 10 log (PL. P ) |
| D. | None of the mentioned |
| Answer» B. 10 log (PL/P0) | |
| 4. |
Under ideal conditions, when a PIN diode is used as a switch, the switch must have _______ insertion loss in the ON state. |
| A. | Maximum |
| B. | Zero |
| C. | Average |
| D. | Insertion loss cannot be defined for a switch |
| Answer» C. Average | |