MCQOPTIONS
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| 1. |
Consider the following statements as regards communication receiver 1. Variable sensitivity is used to eliminate selective fading2. A product demodulator can be used to receive Morse code3. The noise limiter cuts off receiver output during a noise pulse4. Double conversion is used to improve image rejection Which of the above statements are correct? |
| A. | 1, 2, 3, 4 |
| B. | 1, 2, 3 |
| C. | 2, 3, 4 |
| D. | 1, 3, 4 |
| Answer» D. 1, 3, 4 | |