Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Filter
A filter is a device or process which removes some of the unwanted features or components like frequencies from a signal in signal processing. The feature of filters is the complete or partial suppression of some part of the signal, and filtering is a cl…
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Communication question 

B] r e 8.33 The output power of filter is 100 mW, when the signal frequency is 5 kHz. When the frequency is increased to 25 kHz, the output power falls to 50 mW. What is the dB change in power? (a) -3 dB (c) -7 dB (b) -5 dB (d) -2 dB
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Transcribed Image Text:B] r e 8.33 The output power of filter is 100 mW, when the signal frequency is 5 kHz. When the frequency is increased to 25 kHz, the output power falls to 50 mW. What is the dB change in power? (a) -3 dB (c) -7 dB (b) -5 dB (d) -2 dB
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