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Which requires interpolation filtering?

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Which requires interpolation filtering?

(a) Up-sampler

(b) D to A converter

(c) Up-sampler & D to A converter

(d) None of the mentioned

I got this question in my homework.

Query is from Sampling and Quantization in chapter Formatting and Baseband Modulation of Digital Communications

1 Answer

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Best answer
Correct answer is (c) Up-sampler & D to A converter

Best explanation: Up-sampler and D to A conversion need interpolation filtering.

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