Radio Amateur Quiz Canadian License

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Question A-002-012-001

What are the three general groupings of filters?

Correct Answer

High-pass, low-pass and band-pass

Explanation

Filters are generally categorized by their frequency response: high-pass (passes high frequencies, attenuates low), low-pass (passes low frequencies, attenuates high), and band-pass (passes a specific band of frequencies, attenuates others).

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