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Which of the following filter is used only at higher frequencies?

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Which of the following filter is used only at higher frequencies?

(a) Ladder

(b) Crystal Gate

(c) Half Lattice

(d) Full Lattice

I have been asked this question in an interview.

My query is from Threshold Effect in FM topic in portion Noise of Analog Communications

1 Answer

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Best answer
The correct choice is (a) Ladder

To explain I would say: It is the ladder filter which is used only at higher frequencies.

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