Active Filters Questions and Answers

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Active Filters questions with answers are a crucial topic in electronics, particularly for GATE, ECE, and PSU aspirants. These questions test understanding of filter design, frequency response, and operational amplifier applications. Practicing programming questions and answers related to Active Filters helps in mastering the theoretical and practical aspects of circuit behavior. This section provides well-structured questions with detailed solutions to strengthen your grasp of analog and digital filtering concepts for exams and interviews.

Active Filters

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21. Filters with Bessel characteristics are used for filtering pulse waveforms.

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22. The bandwidth of a practical high-pass filter is infinite.

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23. In filters, a single RC network is called a pole.

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24. A band-pass filter passes all frequencies within a band between a lower and an upper cutoff frequency.

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25. An active filter uses capacitors and inductors in the feedback network.

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26. A second-order filter has a roll-off of –20 dB/decade.

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