In order to ensure that a practical filter...

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Question 1 of 20F7u5mcWExeo4RQBcxeUb

In order to ensure that a practical filter is able to remove undesired components from the output of an analog-to-digital converter, the sampling frequency should be:

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Question 1 of 20

F7u5mcWExeo4RQBcxeUb

In order to ensure that a practical filter is able to remove undesired components from the output of an analog-to-digital converter, the sampling frequency should be:

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🔍 Key Concepts

• Nyquist sampling theorem and what it says about the relationship between sampling frequency and the highest analog frequency component • Difference between theoretical minimum sampling rate and what is needed for a practical (real-world) filter • Meaning of "highest component of the analog (or sampled) frequency" in a signal

💭 Think About

• Ask yourself: According to the Nyquist criterion, how fast must you sample relative to the highest frequency present in the analog signal to avoid aliasing? • Think: In real life, are filters ideal (perfectly sharp) or do they need some margin to roll off? How does that affect whether you use equality (= 2×) or something greater than 2×? • Consider which options refer to the highest frequency rather than the lowest, and which options explicitly allow for being greater than the theoretical minimum.

✅ Before You Answer

• Make sure the sampling rate is tied to the highest, not the lowest, frequency component of the analog signal. • Check whether the option you choose accounts for the need of a practical (non-ideal) filter, not a perfect mathematical filter. • Verify that the chosen statement is consistent with the Nyquist sampling theorem (sampling at least twice the highest frequency component).

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Question 1 of 20F7u5mcWExeo4RQBcxeUb

In order to ensure that a practical filter is able to remove undesired components from the output of an analog-to-digital converter, the sampling frequency should be:

Back

Question 1 of 20

F7u5mcWExeo4RQBcxeUb

In order to ensure that a practical filter is able to remove undesired components from the output of an analog-to-digital converter, the sampling frequency should be:

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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