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


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