MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What type of oscillators are used to input a wide range of frequencies to the IF amplifier? |
| A. | LC oscillators |
| B. | Crystal oscillators |
| C. | Variable frequency oscillators |
| D. | Diode oscillators |
| Answer» D. Diode oscillators | |
| 2. |
The LNA of a transducer has failed during the transmission of a signal. Which component s failure has caused this? |
| A. | Duplexer |
| B. | RF amplifier |
| C. | Antenna |
| D. | Mixer |
| Answer» B. RF amplifier | |
| 3. |
Which of the following is not an advantage of using RF amplifiers in the initial stage of signal selection? |
| A. | Low noise |
| B. | Reduced oscillator radiation |
| C. | Better selectivity |
| D. | Less power consumption |
| Answer» E. | |
| 4. |
What is connected between the antenna and the mixer to avoid oscillator radiation? |
| A. | LNA |
| B. | Attenuator |
| C. | Duplexer |
| D. | Power amplifier |
| Answer» B. Attenuator | |