Electronic Devices-Active Filters

Electronic Devices-Active Filters
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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Electronics
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