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A woofer is connected from the input through a ________

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A woofer is connected from the input through a ________

(a) high pass filter

(b) low pass filter

(c) band pass filter

(d) band stop filter

This question was addressed to me during an online interview.

This question is from Singletone SSB Modulation topic in chapter SSB Modulation of Analog Communications

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The correct choice is (b) low pass filter

To explain I would say: A woofer is connected from the input through a low pass filter to restrict the high frequencies and only allows the low frequencies to pass through it.

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