In order to ensure that a practical filter...

Question 1 / 20F7u5mcWExeo4RQBcxeUb

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 20

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:

The same as the lowest component of the analog frequency.

Two times the highest component of the analog frequency.

Greater than two times the highest component of the sampled frequency.

The same as the highest component of the sampled frequency.

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Question 1 / 20F7u5mcWExeo4RQBcxeUb

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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