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_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lowers its frequency.

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_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lowers its frequency.

(a) Horn antenna

(b) LNA

(c) Satellite receiver

(d) Satellite dish

I had been asked this question during an online interview.

Asked question is from Satellite Systems topic in section Satellite Systems & Recent Advances of Wireless/Mobile

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Correct option is (b) LNA

To elaborate: LNA detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency. The most common device used as an LNA is tunnel diode.

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