Amplitude limiter in FM receivers are used toA. Remove amplitude variations due t o noiseB. FiltrationC. AmplificationD. Demodulation
Question
Amplitude limiter in FM receivers are used toA. Remove amplitude variations due t o noiseB. FiltrationC. AmplificationD. Demodulation
Solution
Amplitude limiters in FM (Frequency Modulation) receivers are used to remove amplitude variations due to noise. This is because FM receivers are designed to respond to changes in frequency, not amplitude. Noise can cause unwanted amplitude variations, which can distort the signal. The amplitude limiter's job is to suppress these variations, allowing the FM receiver to accurately interpret the frequency changes in the signal. So, the correct answer is A. Remove amplitude variations due to noise.
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